/* ============================================================
   BATTLESTATION — DESIGN SYSTEM v2
   Black / Grey / White  ·  Dark-first  ·  WCAG AA
   ============================================================ */


/* ============================================================
   Color Tokens
   ============================================================ */

/* Dark mode — default */
:root,
[data-theme="dark"] {

  /* Raw palette */
  --black:      #0a0a0a;
  --dark-grey:  #1a1a1a;
  --mid-grey:   #666666;
  --light-grey: #a0a0a0;
  --off-white:  #f5f5f5;
  --white:      #ffffff;

  /* Background layers — lifted from pitch-black for readability */
  --bg-base:     #161616;
  --bg-surface:  #1e1e1e;
  --bg-card:     #272727;
  --bg-raised:   #303030;
  --bg-elevated: #3a3a3a;
  --bg-overlay:  rgba(0, 0, 0, 0.75);

  /* Text */
  --text-primary:   #f0f0f0;           /* slightly off-white — easier on eyes */
  --text-secondary: #b0b0b0;           /* lifted from #a0a0a0 */
  --text-muted:     #787878;           /* lifted from #666666 */
  --text-disabled:  #484848;           /* lifted from #333333 */
  --text-inverse:   #0a0a0a;

  /* Borders — more visible against lifted backgrounds */
  --border-subtle: #2e2e2e;
  --border:        #3d3d3d;
  --border-strong: #555555;
  --border-focus:  #ffffff;

  /* Accent — white in dark mode */
  --accent:        #ffffff;
  --accent-dim:    #e0e0e0;
  --accent-muted:  rgba(255, 255, 255, 0.07);
  --accent-border: rgba(255, 255, 255, 0.16);

  /* Semantic states */
  --error:      #ff5555;
  --error-bg:   #220a0a;
  --error-b:    #4a1010;
  --warning:    #d4a017;
  --warning-bg: #201800;
  --warning-b:  #483800;
  --success:    #3dbb73;
  --success-bg: #061a0e;
  --success-b:  #0d4020;

  /* Shadows */
  --shadow-sm:    0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md:    0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg:    0 8px 32px rgba(0, 0, 0, 0.6);
  --shadow-modal: 0 24px 64px rgba(0, 0, 0, 0.75), 0 0 0 1px var(--border);
}

/* Light mode */
[data-theme="light"] {
  --bg-base:     #f5f5f5;
  --bg-surface:  #ffffff;
  --bg-card:     #ffffff;
  --bg-raised:   #efefef;
  --bg-elevated: #e6e6e6;
  --bg-overlay:  rgba(245, 245, 245, 0.9);

  --text-primary:   #0a0a0a;           /* 19:1 on #f5f5f5 */
  --text-secondary: #555555;           /* 7.4:1 on #ffffff */
  --text-muted:     #999999;           /* decorative */
  --text-disabled:  #cccccc;
  --text-inverse:   #ffffff;

  --border-subtle: #e8e8e8;
  --border:        #d0d0d0;
  --border-strong: #b0b0b0;
  --border-focus:  #0a0a0a;

  /* Accent — near-black in light mode */
  --accent:        #0a0a0a;
  --accent-dim:    #1a1a1a;
  --accent-muted:  rgba(0, 0, 0, 0.05);
  --accent-border: rgba(0, 0, 0, 0.12);

  --error:      #cc0000;
  --error-bg:   #fff0f0;
  --error-b:    #ffcccc;
  --warning:    #996600;
  --warning-bg: #fffbf0;
  --warning-b:  #ffe0a0;
  --success:    #006633;
  --success-bg: #f0fff8;
  --success-b:  #99ffcc;

  --shadow-sm:    0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md:    0 4px 12px rgba(0, 0, 0, 0.12);
  --shadow-lg:    0 8px 32px rgba(0, 0, 0, 0.16);
  --shadow-modal: 0 24px 64px rgba(0, 0, 0, 0.18), 0 0 0 1px var(--border);
}

/* Auto: respect OS preference when no data-theme set */
@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --bg-base:     #f5f5f5;  --bg-surface:  #ffffff;  --bg-card:     #ffffff;
    --bg-raised:   #efefef;  --bg-elevated: #e6e6e6;  --bg-overlay:  rgba(245,245,245,0.9);
    --text-primary: #0a0a0a; --text-secondary: #555555; --text-muted: #999999;
    --text-disabled: #cccccc; --text-inverse: #ffffff;
    --border-subtle: #e8e8e8; --border: #d0d0d0; --border-strong: #b0b0b0; --border-focus: #0a0a0a;
    --accent: #0a0a0a; --accent-dim: #1a1a1a;
    --accent-muted: rgba(0,0,0,.05); --accent-border: rgba(0,0,0,.12);
    --error: #cc0000;   --error-bg: #fff0f0;   --error-b: #ffcccc;
    --warning: #996600; --warning-bg: #fffbf0;  --warning-b: #ffe0a0;
    --success: #006633; --success-bg: #f0fff8;  --success-b: #99ffcc;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
    --shadow-md: 0 4px 12px rgba(0,0,0,.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,.16);
    --shadow-modal: 0 24px 64px rgba(0,0,0,.18), 0 0 0 1px var(--border);
  }
}


/* ============================================================
   Theme transition
   Smooth colour-scheme switch when the toggle is clicked.
   Uses the .theme-ready class (added after first paint by app.js)
   so transitions never fire during the initial page load.
   ============================================================ */
.theme-ready,
.theme-ready *,
.theme-ready *::before,
.theme-ready *::after {
  transition:
    background-color 0.2s ease,
    color            0.2s ease,
    border-color     0.2s ease,
    box-shadow       0.2s ease !important;
}


/* ============================================================
   Typography Tokens
   ============================================================ */
:root {
  --font:      -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'SF Mono', 'Cascadia Code', 'Fira Code', Consolas, 'Courier New', monospace;

  /* Scale (14px base) */
  --text-2xs:  10px;
  --text-xs:   11px;
  --text-sm:   13px;
  --text-base: 14px;
  --text-md:   15px;
  --text-lg:   18px;
  --text-xl:   22px;
  --text-2xl:  28px;
  --text-3xl:  36px;
  --text-4xl:  48px;

  /* Weights */
  --fw-normal:    400;
  --fw-medium:    500;
  --fw-semibold:  600;
  --fw-bold:      700;
  --fw-extrabold: 800;
  --fw-black:     900;

  /* Line heights */
  --lh-tight:   1.15;
  --lh-snug:    1.3;
  --lh-normal:  1.5;
  --lh-relaxed: 1.65;
}


/* ============================================================
   Spacing Tokens  (4px base)
   ============================================================ */
:root {
  --sp-1:  4px;  --sp-2:  8px;  --sp-3:  12px; --sp-4:  16px;
  --sp-5:  20px; --sp-6:  24px; --sp-8:  32px; --sp-10: 40px;
  --sp-12: 48px; --sp-16: 64px; --sp-20: 80px; --sp-24: 96px;
}


/* ============================================================
   Border Radius Tokens
   ============================================================ */
:root {
  --r-1:    4px;
  --r-2:    8px;
  --r-3:    12px;
  --r-full: 9999px;
}


/* ============================================================
   Misc / Layout Tokens  +  Legacy Aliases
   ============================================================ */
:root {
  --ease:     0.2s ease;
  --ease-out: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --nav-h:    56px;
  --px:       24px;
  --max-w:    1200px;

  /* Legacy aliases — keeps existing inline style refs working */
  --t1: var(--text-primary);   --t2: var(--text-secondary);
  --t3: var(--text-muted);     --t4: var(--text-disabled);
  --b1: var(--border-subtle);  --b2: var(--border);  --b3: var(--border-strong);

  /* Legacy spacing */
  --sp1: var(--sp-1);  --sp2: var(--sp-2);  --sp3: var(--sp-3);
  --sp4: var(--sp-4);  --sp5: var(--sp-5);  --sp6: var(--sp-6);
  --sp8: var(--sp-8);  --sp10: var(--sp-10); --sp12: var(--sp-12);
  --sp16: var(--sp-16); --sp20: var(--sp-20);

  /* Legacy radii */
  --r1: var(--r-1); --r2: var(--r-2); --r3: var(--r-3); --rfull: var(--r-full);
}


/* ============================================================
   Reset + Base
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav-h) + 16px); }

body {
  /* Sticky footer: body is a flex column that fills the viewport.
     <main> gets flex:1 so it grows to fill any leftover space,
     pushing the footer to the bottom on short pages and letting it
     scroll naturally below content on tall pages. */
  display:        flex;
  flex-direction: column;
  min-height:     100dvh; /* collapses mobile address bar; 100vh fallback via @supports */
  background:  var(--bg-base);
  color:       var(--text-primary);
  font-family: var(--font);
  font-size:   var(--text-base);
  line-height: var(--lh-normal);
  -webkit-font-smoothing:  antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* 100dvh fallback for browsers that don't support it yet */
@supports not (min-height: 100dvh) {
  body { min-height: 100vh; }
}

main { flex: 1; }

a               { color: inherit; text-decoration: none; }
input, button, textarea, select { font-family: var(--font); font-size: var(--text-base); }
input:focus, textarea:focus, select:focus { outline: none; }
input::placeholder, textarea::placeholder { color: var(--text-muted); }

h1, h2, h3, h4, h5, h6 {
  line-height: var(--lh-tight);
  letter-spacing: -0.02em;
  color: var(--text-primary);
}

/* Scrollbar */
::-webkit-scrollbar       { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* Selection */
::selection { background: var(--accent); color: var(--text-inverse); }

/* Accessible focus ring */
:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 2px; }


/* ============================================================
   Utility Classes — Colors
   ============================================================ */
.bg-black        { background: #0a0a0a; }
.bg-dark-grey    { background: #1a1a1a; }
.bg-mid-grey     { background: #666666; }
.bg-light-grey   { background: #a0a0a0; }
.bg-off-white    { background: #f5f5f5; }
.bg-white        { background: #ffffff; }
.bg-base         { background: var(--bg-base); }
.bg-surface      { background: var(--bg-surface); }
.bg-card         { background: var(--bg-card); }
.bg-raised       { background: var(--bg-raised); }

.text-primary    { color: var(--text-primary); }
.text-secondary  { color: var(--text-secondary); }
.text-muted      { color: var(--text-muted); }
.text-disabled   { color: var(--text-disabled); }
.text-white      { color: #ffffff; }
.text-black      { color: #0a0a0a; }
.text-light-grey { color: #a0a0a0; }
.text-mid-grey   { color: #666666; }


/* ============================================================
   Utility Classes — Shadows
   ============================================================ */
.shadow-sm { box-shadow: 0 1px 3px rgba(0,0,0,.1); }
.shadow-md { box-shadow: 0 4px 12px rgba(0,0,0,.15); }
.shadow-lg { box-shadow: var(--shadow-lg); }


/* ============================================================
   Utility Classes — Spacing
   ============================================================ */
.mt-1 { margin-top: var(--sp-1); } .mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); } .mt-4 { margin-top: var(--sp-4); }
.mt-6 { margin-top: var(--sp-6); } .mt-8 { margin-top: var(--sp-8); }
.mb-1 { margin-bottom: var(--sp-1); } .mb-2 { margin-bottom: var(--sp-2); }
.mb-3 { margin-bottom: var(--sp-3); } .mb-4 { margin-bottom: var(--sp-4); }
.mb-6 { margin-bottom: var(--sp-6); } .mb-8 { margin-bottom: var(--sp-8); }
.p-2  { padding: var(--sp-2); } .p-3 { padding: var(--sp-3); }
.p-4  { padding: var(--sp-4); } .p-6 { padding: var(--sp-6); }


/* ============================================================
   Utility Classes — Typography
   ============================================================ */
.text-xs   { font-size: var(--text-xs); }   .text-sm   { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }  .text-md   { font-size: var(--text-md); }
.text-lg   { font-size: var(--text-lg); }    .text-xl   { font-size: var(--text-xl); }
.text-2xl  { font-size: var(--text-2xl); }
.font-normal   { font-weight: var(--fw-normal); }
.font-medium   { font-weight: var(--fw-medium); }
.font-semibold { font-weight: var(--fw-semibold); }
.font-bold     { font-weight: var(--fw-bold); }
.font-black    { font-weight: var(--fw-black); }
.uppercase     { text-transform: uppercase; letter-spacing: 0.06em; }
.tracking-wide { letter-spacing: 0.05em; }


/* ============================================================
   Utility Classes — Borders & Radius
   ============================================================ */
.border      { border: 1px solid var(--border); }
.border-b    { border-bottom: 1px solid var(--border); }
.border-t    { border-top: 1px solid var(--border); }
.radius-1    { border-radius: var(--r-1); }
.radius-2    { border-radius: var(--r-2); }
.radius-3    { border-radius: var(--r-3); }
.radius-full { border-radius: var(--r-full); }


/* ============================================================
   Utility Classes — Layout
   ============================================================ */
.flex             { display: flex; }
.flex-col         { flex-direction: column; }
.items-center     { align-items: center; }
.justify-between  { justify-content: space-between; }
.gap-1 { gap: var(--sp-1); } .gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); } .gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }
.w-full  { width: 100%; }
.min-w-0 { min-width: 0; }


/* ============================================================
   Layout — Page Containers
   ============================================================ */
.page    { max-width: var(--max-w); margin: 0 auto; padding: var(--sp-10) var(--px); }
.page-sm { max-width: 880px;        margin: 0 auto; padding: var(--sp-10) var(--px); }

@media (max-width: 640px) {
  :root { --px: 16px; }
  .page, .page-sm { padding: var(--sp-6) var(--px); }
}


/* ============================================================
   Navigation
   ============================================================ */
.nav {
  height: var(--nav-h);
  background: var(--bg-base);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  padding: 0 var(--px);
  position: sticky;
  top: 0;
  z-index: 100;
  gap: var(--sp-8);
  backdrop-filter: saturate(180%) blur(8px);
  -webkit-backdrop-filter: saturate(180%) blur(8px);
}

.nav-logo {
  font-weight: var(--fw-black);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-primary);
  text-decoration: none;
  flex-shrink: 0;
  transition: opacity var(--ease);
}
.nav-logo:hover { opacity: 0.6; }

.nav-links { display: flex; gap: 2px; flex: 1; overflow: hidden; }

.nav-link {
  padding: 5px var(--sp-3);
  border-radius: var(--r-1);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--ease), background var(--ease);
  white-space: nowrap;
}
.nav-link:hover  { color: var(--text-secondary); }
.nav-link.active { color: var(--text-primary); font-weight: var(--fw-semibold); }

.nav-right { display: flex; align-items: center; gap: var(--sp-2); flex-shrink: 0; }

.nav-user {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  text-decoration: none;
  padding: 4px var(--sp-2);
  border-radius: var(--r-1);
  transition: background var(--ease);
}
.nav-user:hover { background: var(--bg-raised); }

.nav-avatar {
  width: 28px;
  height: 28px;
  border-radius: var(--r-1);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: var(--fw-bold);
  color: var(--text-primary);
  flex-shrink: 0;
}

.nav-username { font-size: var(--text-sm); color: var(--text-secondary); font-weight: var(--fw-medium); }
.nav-auth     { display: flex; gap: 8px; align-items: center; }


/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: 0 var(--sp-4);
  height: 34px;
  border-radius: var(--r-1);
  border: 1px solid transparent;
  font-family: var(--font);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), color var(--ease), box-shadow var(--ease), transform var(--ease);
  white-space: nowrap;
  text-decoration: none;
}
.btn:disabled     { opacity: 0.35; cursor: not-allowed; pointer-events: none; }
.btn:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 2px; }

/* Primary — inverted fill */
.btn-primary { background: var(--accent); color: var(--text-inverse); border-color: var(--accent); }
.btn-primary:hover  { background: var(--accent-dim); border-color: var(--accent-dim); }
.btn-primary:active { transform: translateY(1px); }

/* Ghost — outlined */
.btn-ghost { background: transparent; color: var(--text-secondary); border-color: var(--border); }
.btn-ghost:hover { background: var(--bg-raised); color: var(--text-primary); border-color: var(--border-strong); }

/* Danger */
.btn-danger { background: transparent; color: var(--error); border-color: var(--error-b); }
.btn-danger:hover { background: var(--error-bg); }

/* Sizes */
.btn-lg { height: 44px; padding: 0 var(--sp-6); font-size: var(--text-md); }
.btn-sm { height: 28px; padding: 0 var(--sp-3); font-size: 12px; }


/* ============================================================
   Forms — Inputs & Labels
   ============================================================ */
.input {
  width: 100%;
  box-sizing: border-box;
  padding: 0 var(--sp-3);
  height: 38px;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: var(--r-1);
  color: var(--text-primary);
  font-family: var(--font);
  font-size: var(--text-base);
  transition: border-color var(--ease), box-shadow var(--ease);
  -webkit-appearance: none;
}
.input:hover:not(:focus) { border-color: var(--border-strong); }
.input:focus {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px var(--accent-muted);
}

.label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--sp-2);
}


/* ============================================================
   Cards
   ============================================================ */
.card          { background: var(--bg-card);     border: 1px solid var(--border-subtle); border-radius: var(--r-2); }
.card-raised   { background: var(--bg-raised);   border: 1px solid var(--border);        border-radius: var(--r-2); }
.card-elevated { background: var(--bg-elevated); border: 1px solid var(--border);        border-radius: var(--r-2); box-shadow: var(--shadow-md); }


/* ============================================================
   Pill Tabs  (category selectors)
   ============================================================ */
.pill-tabs { display: flex; gap: var(--sp-2); flex-wrap: wrap; }

.pill-tab {
  padding: 4px var(--sp-3);
  border-radius: var(--r-1);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
  white-space: nowrap;
}
.pill-tab:hover  { border-color: var(--border-strong); color: var(--text-primary); }
.pill-tab.active { background: var(--accent); border-color: var(--accent); color: var(--text-inverse); font-weight: var(--fw-semibold); }
.pill-tab.picked { background: var(--accent-muted); border-color: var(--accent-border); color: var(--text-primary); }


/* ============================================================
   Segment Tabs  (overview / settings style)
   ============================================================ */
.seg-tabs {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2);
  padding: 3px;
  width: fit-content;
  gap: 2px;
}

.seg-tab {
  padding: 6px var(--sp-4);
  border-radius: var(--r-1);
  border: none;
  font-family: var(--font);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: background var(--ease), color var(--ease);
  background: transparent;
  color: var(--text-muted);
}
.seg-tab:hover  { color: var(--text-secondary); }
.seg-tab.active { background: var(--bg-elevated); color: var(--text-primary); font-weight: var(--fw-semibold); box-shadow: var(--shadow-sm); }
.seg-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: var(--r-1); }


/* ============================================================
   Badges
   ============================================================ */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px var(--sp-2);
  border-radius: var(--r-1);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge-accent  { background: var(--accent-muted); border: 1px solid var(--accent-border); color: var(--text-primary); }
.badge-warning { background: var(--warning-bg); border: 1px solid var(--warning-b); color: var(--warning); }


/* ============================================================
   Empty State
   ============================================================ */
.empty {
  background: var(--bg-card);
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-2);
  padding: var(--sp-12) var(--sp-8);
  text-align: center;
}
.empty-icon  { font-size: 28px; margin-bottom: var(--sp-4); opacity: 0.4; }
.empty-title { font-size: var(--text-md); font-weight: var(--fw-semibold); color: var(--text-secondary); margin-bottom: var(--sp-2); }
.empty-desc  { font-size: var(--text-sm); color: var(--text-muted); margin-bottom: var(--sp-5); line-height: var(--lh-relaxed); max-width: 360px; margin-left: auto; margin-right: auto; }


/* ============================================================
   Feedback — Alerts
   ============================================================ */
.err-box {
  color: var(--error);
  font-size: var(--text-sm);
  padding: var(--sp-2) var(--sp-3);
  background: var(--error-bg);
  border: 1px solid var(--error-b);
  border-radius: var(--r-1);
  line-height: var(--lh-snug);
}


/* ============================================================
   Stat Card
   ============================================================ */
.stat-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: var(--sp-5) var(--sp-6); flex: 1; min-width: 120px; }
.stat-val  { font-size: var(--text-xl); font-weight: var(--fw-extrabold); color: var(--text-primary); line-height: 1; letter-spacing: -0.02em; }
.stat-lbl  { font-size: var(--text-xs); color: var(--text-muted); margin-top: var(--sp-1); text-transform: uppercase; letter-spacing: 0.06em; font-weight: var(--fw-medium); }


/* ============================================================
   Part Card
   ============================================================ */
.part-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2);
  padding: var(--sp-3) var(--sp-4);
  cursor: pointer;
  transition: border-color var(--ease), box-shadow var(--ease);
}
.part-card:hover    { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.part-card.selected { background: var(--accent-muted); border-color: var(--accent-border); }

.part-card .part-brand { font-size: var(--text-xs); color: var(--text-muted); margin-bottom: 2px; font-weight: var(--fw-medium); text-transform: uppercase; letter-spacing: 0.04em; }
.part-card .part-name  { font-weight: var(--fw-semibold); font-size: var(--text-base); color: var(--text-primary); }
.part-card .part-price { font-weight: var(--fw-bold); color: var(--text-primary); font-size: var(--text-md); white-space: nowrap; }
.part-card .part-specs { display: flex; flex-wrap: wrap; gap: 4px 12px; margin-top: var(--sp-2); }
.part-card .part-spec  { font-size: var(--text-xs); color: var(--text-muted); }
.part-card .part-spec span { color: var(--text-secondary); }


/* ============================================================
   Build Summary
   ============================================================ */
.summary-card     { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); overflow: hidden; }
.summary-header   { padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--border-subtle); background: var(--bg-surface); }
.summary-lbl      { font-size: var(--text-xs); color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 4px; font-weight: var(--fw-semibold); }
.summary-name-inp { background: transparent; border: none; outline: none; color: var(--text-primary); font-family: var(--font); font-size: var(--text-lg); font-weight: var(--fw-bold); width: 100%; letter-spacing: -0.01em; }

.summary-row       { display: flex; align-items: center; justify-content: space-between; padding: 8px var(--sp-4); border-bottom: 1px solid var(--border-subtle); gap: var(--sp-2); }
.summary-row-lbl   { min-width: 84px; font-size: 11px; color: var(--text-muted); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: 0.05em; flex-shrink: 0; }
.summary-row-name  { flex: 1; font-size: var(--text-sm); color: var(--text-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.summary-row-empty { flex: 1; font-size: 12px; color: var(--text-disabled); font-style: italic; }
.summary-row-price { color: var(--text-primary); font-size: var(--text-sm); font-weight: var(--fw-semibold); white-space: nowrap; }
.summary-row-del   { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 16px; padding: 0 4px; line-height: 1; transition: color var(--ease); }
.summary-row-del:hover { color: var(--error); }

.summary-total     { padding: var(--sp-3) var(--sp-4); display: flex; justify-content: space-between; align-items: center; }
.summary-total-lbl { color: var(--text-muted); font-size: var(--text-sm); }
.summary-total-val { color: var(--text-primary); font-weight: var(--fw-extrabold); font-size: var(--text-xl); letter-spacing: -0.02em; }

.compat-card    { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); overflow: hidden; margin-top: var(--sp-3); }
.compat-hdr     { padding: 8px var(--sp-4); border-bottom: 1px solid var(--border-subtle); font-size: var(--text-xs); color: var(--text-muted); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: 0.06em; }
.compat-ok      { padding: 10px var(--sp-4); color: var(--success); font-size: var(--text-sm); }
.compat-issue   { padding: 8px var(--sp-4); border-bottom: 1px solid var(--border-subtle); font-size: 12px; display: flex; gap: var(--sp-2); align-items: flex-start; line-height: var(--lh-snug); }
.compat-issue.error   { color: var(--error); }
.compat-issue.warning { color: var(--warning); }
.compat-wattage       { padding: 8px var(--sp-4); font-size: 12px; color: var(--text-muted); }
.compat-wattage span  { color: var(--text-secondary); }


/* ============================================================
   Auth Modal
   ============================================================ */
.modal-backdrop {
  position: fixed; inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 200;
  animation: fadeIn 0.15s ease;
}

.modal {
  position: fixed;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  z-index: 201;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-3);
  padding: var(--sp-8);
  width: calc(100% - var(--sp-8));
  max-width: 400px;
  box-shadow: var(--shadow-modal);
  animation: slideUp 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeIn  { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { transform: translate(-50%,-46%); opacity: 0; } to { transform: translate(-50%,-50%); opacity: 1; } }

.modal-head    { display: flex; justify-content: space-between; align-items: center; margin-bottom: var(--sp-6); }
.modal-title   { font-size: var(--text-xl); font-weight: var(--fw-extrabold); letter-spacing: -0.02em; }
.modal-close   { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 20px; line-height: 1; padding: var(--sp-1); border-radius: var(--r-1); transition: color var(--ease), background var(--ease); }
.modal-close:hover { color: var(--text-primary); background: var(--bg-raised); }
.modal-verify      { text-align: center; padding: var(--sp-4) 0; }
.modal-verify-icon { font-size: 40px; margin-bottom: var(--sp-4); }
.modal-field       { display: flex; flex-direction: column; gap: var(--sp-2); }


/* ============================================================
   Headings  (global scale)
   ============================================================ */
h1 { font-size: var(--text-3xl); font-weight: var(--fw-black);     letter-spacing: -0.04em; }
h2 { font-size: var(--text-2xl); font-weight: var(--fw-extrabold); letter-spacing: -0.03em; }
h3 { font-size: var(--text-xl);  font-weight: var(--fw-bold);      letter-spacing: -0.02em; }
h4 { font-size: var(--text-lg);  font-weight: var(--fw-semibold); }
h5 { font-size: var(--text-md);  font-weight: var(--fw-semibold); }
h6 { font-size: var(--text-base);font-weight: var(--fw-semibold); }


/* ============================================================
   Landing Page
   ============================================================ */
.hero {
  padding: var(--sp-20) var(--px) var(--sp-16);
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}
.hero-badge   { margin-bottom: var(--sp-5); }
.hero-title   { font-size: clamp(36px, 6vw, 64px); font-weight: var(--fw-black); letter-spacing: -0.04em; line-height: var(--lh-tight); margin-bottom: var(--sp-5); }
.hero-accent  { color: var(--text-primary); }   /* monochrome */
.hero-sub     { font-size: var(--text-lg); color: var(--text-secondary); max-width: 480px; margin: 0 auto var(--sp-8); line-height: var(--lh-relaxed); }
.hero-actions { display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }

.stats-bar  { border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); background: var(--bg-surface); padding: var(--sp-8) var(--px); }
.stats-grid { max-width: 860px; margin: 0 auto; display: grid; grid-template-columns: repeat(4,1fr); gap: var(--sp-4); text-align: center; }
.stats-val  { font-size: 28px; font-weight: var(--fw-black); color: var(--text-primary); line-height: 1; letter-spacing: -0.03em; }
.stats-lbl  { font-size: var(--text-xs); color: var(--text-muted); margin-top: var(--sp-1); text-transform: uppercase; letter-spacing: 0.07em; font-weight: var(--fw-medium); }

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: repeat(2,1fr); gap: var(--sp-6); }
  .hero { padding: var(--sp-12) var(--px) var(--sp-10); }
  .hero-title { font-size: clamp(28px, 8vw, 48px); }
}

.features-section { padding: var(--sp-20) var(--px); max-width: 880px; margin: 0 auto; }
.features-title   { text-align: center; font-size: var(--text-2xl); font-weight: var(--fw-extrabold); margin-bottom: var(--sp-12); letter-spacing: -0.03em; }
.features-grid    { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: var(--sp-4); }

.feature-card       { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: var(--sp-6); transition: border-color var(--ease), box-shadow var(--ease); }
.feature-card:hover { border-color: var(--border-strong); box-shadow: var(--shadow-sm); }
.feature-card-icon  { font-size: 20px; margin-bottom: var(--sp-3); opacity: 0.6; }
.feature-card-title { font-weight: var(--fw-semibold); font-size: var(--text-md); margin-bottom: var(--sp-2); }
.feature-card-desc  { font-size: var(--text-sm); color: var(--text-muted); line-height: var(--lh-relaxed); }

.cta-section { padding: var(--sp-20) var(--px); text-align: center; border-top: 1px solid var(--border-subtle); background: var(--bg-surface); }
.cta-title   { font-size: var(--text-2xl); font-weight: var(--fw-extrabold); margin-bottom: var(--sp-4); letter-spacing: -0.03em; }
.cta-sub     { color: var(--text-muted); margin-bottom: var(--sp-8); font-size: var(--text-md); }

@media (max-width: 640px) {
  .features-section, .cta-section { padding: var(--sp-12) var(--px); }
}


/* ============================================================
   Builder Page
   ============================================================ */
.builder-layout  { display: flex; gap: var(--sp-6); align-items: flex-start; padding: var(--sp-6) 0; }
.builder-main    { flex: 1; min-width: 0; }
.builder-sidebar { width: 340px; flex-shrink: 0; position: sticky; top: calc(var(--nav-h) + var(--sp-4)); }

@media (max-width: 1024px) {
  .builder-layout  { flex-direction: column; }
  .builder-sidebar { width: 100%; position: static; }
}


/* ============================================================
   Page Header
   ============================================================ */
.pg-head  { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: var(--sp-8); gap: var(--sp-4); }
.pg-title { font-size: var(--text-2xl); font-weight: var(--fw-extrabold); letter-spacing: -0.03em; }
.pg-desc  { font-size: var(--text-sm); color: var(--text-muted); margin-top: var(--sp-1); }

@media (max-width: 640px) {
  .pg-head { flex-direction: column; align-items: flex-start; }
}


/* ============================================================
   Build Card
   ============================================================ */
.build-card       { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: var(--sp-4) var(--sp-5); display: flex; align-items: center; gap: var(--sp-4); transition: border-color var(--ease); }
.build-card:hover { border-color: var(--border-strong); }
.build-card-icon  { width: 40px; height: 40px; border-radius: var(--r-1); background: var(--bg-raised); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; opacity: 0.7; }
.build-card-name  { font-weight: var(--fw-semibold); font-size: var(--text-md); margin-bottom: 2px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.build-card-meta  { font-size: 12px; color: var(--text-muted); }
.build-card-price { font-weight: var(--fw-bold); color: var(--text-primary); font-size: var(--text-base); }
.build-card-total { font-size: var(--text-xs); color: var(--text-disabled); margin-top: 2px; text-align: right; }


/* ============================================================
   Profile
   ============================================================ */
.profile-head   { display: flex; align-items: center; gap: var(--sp-4); margin-bottom: var(--sp-8); }
.profile-avatar { width: 52px; height: 52px; border-radius: var(--r-2); background: var(--bg-elevated); border: 1px solid var(--border); display: flex; align-items: center; justify-content: center; font-size: 22px; font-weight: var(--fw-black); color: var(--text-primary); flex-shrink: 0; }
.profile-name   { font-size: var(--text-xl); font-weight: var(--fw-extrabold); margin-bottom: 2px; letter-spacing: -0.02em; }
.profile-email  { font-size: var(--text-sm); color: var(--text-muted); }

.settings-section       { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); overflow: hidden; }
.settings-section-head  { padding: var(--sp-3) var(--sp-4); border-bottom: 1px solid var(--border-subtle); font-size: var(--text-xs); font-weight: var(--fw-semibold); color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.06em; }
.settings-body          { padding: var(--sp-4); }
.setting-row            { display: flex; justify-content: space-between; align-items: center; padding: var(--sp-3) 0; border-bottom: 1px solid var(--border-subtle); }
.setting-row:last-child { border-bottom: none; }
.setting-row-label      { font-size: var(--text-sm); color: var(--text-muted); }
.setting-row-value      { font-size: var(--text-sm); color: var(--text-secondary); font-weight: var(--fw-medium); }
.setting-row-helper     { font-size: var(--text-xs); color: var(--text-muted); margin-top: 2px; }
.setting-select         { width: auto; min-width: 140px; }
.setting-status         { font-size: var(--text-xs); padding: var(--sp-2) 0; color: var(--success); }
.setting-status.error   { color: var(--error); }

.danger-section                   { background: var(--error-bg); border-color: var(--error-b); }
.danger-section .settings-section-head { border-bottom-color: var(--error-b); color: var(--error); }


/* ============================================================
   Coming Soon  /  Skeleton
   ============================================================ */
.coming-tag {
  display: inline-flex;
  align-items: center;
  background: var(--warning-bg);
  border: 1px solid var(--warning-b);
  border-radius: var(--r-1);
  padding: 2px var(--sp-2);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--warning);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--sp-3);
}

.skeleton-card { background: var(--bg-card); border: 1px dashed var(--border); border-radius: var(--r-2); padding: var(--sp-6); opacity: 0.4; pointer-events: none; }


/* ============================================================
   Verify Page
   ============================================================ */
.verify-wrap  { min-height: 60vh; display: flex; align-items: center; justify-content: center; padding: var(--px); }
.verify-card  { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-3); padding: var(--sp-12) var(--sp-10); max-width: 380px; width: 100%; text-align: center; box-shadow: var(--shadow-lg); }
.verify-icon  { font-size: 36px; margin-bottom: var(--sp-4); }
.verify-title { font-size: var(--text-xl); font-weight: var(--fw-extrabold); margin-bottom: var(--sp-2); letter-spacing: -0.02em; }
.verify-sub   { font-size: var(--text-sm); color: var(--text-muted); line-height: var(--lh-relaxed); }


/* ============================================================
   Auth Gate  (locked pages)
   ============================================================ */
.gate       { max-width: 480px; margin: 100px auto; text-align: center; padding: 0 var(--px); }
.gate-icon  { font-size: 36px; margin-bottom: var(--sp-4); opacity: 0.4; }
.gate-title { font-size: var(--text-xl); font-weight: var(--fw-bold); margin-bottom: var(--sp-3); }
.gate-desc  { font-size: var(--text-sm); color: var(--text-muted); margin-bottom: var(--sp-8); line-height: var(--lh-relaxed); }


/* ============================================================
   Footer
   ============================================================ */
.footer {
  border-top: 1px solid var(--border-subtle);
  background: var(--bg-surface);
  /* margin-top removed — flex:1 on <main> pushes footer down instead */
}

.footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--sp-12) var(--px) var(--sp-10);
  display: grid;
  grid-template-columns: 1.6fr repeat(4, 1fr);
  gap: var(--sp-8);
}

@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 640px) {
  .footer-inner { grid-template-columns: 1fr; gap: var(--sp-6); }
}

/* Brand column */
.footer-logo {
  display: inline-block;
  font-size: var(--text-base);
  font-weight: var(--fw-black);
  letter-spacing: 0.1em;
  color: var(--text-primary);
  text-decoration: none;
  margin-bottom: var(--sp-3);
}
.footer-logo:hover { color: var(--text-primary); }

.footer-tagline {
  font-size: var(--text-sm);
  color: var(--text-muted);
  line-height: var(--lh-relaxed);
  max-width: 260px;
  margin-bottom: var(--sp-5);
}

.footer-social {
  display: flex;
  gap: var(--sp-3);
}

.footer-social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--r-1);
  border: 1px solid var(--border);
  color: var(--text-muted);
  text-decoration: none;
  transition: border-color var(--ease), color var(--ease), background var(--ease);
}
.footer-social-link:hover {
  border-color: var(--border-strong);
  color: var(--text-primary);
  background: var(--bg-card);
}

/* Link columns */
.footer-col {}

.footer-col-head {
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  color: var(--text-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--sp-4);
}

.footer-col-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--ease);
}
.footer-link:hover { color: var(--text-primary); }

/* Bottom bar */
.footer-bottom {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: var(--sp-5) var(--px);
  border-top: 1px solid var(--border-subtle);
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: center;
}


/* ============================================================
   Legal / Static Pages
   ============================================================ */
.legal-page {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--sp-12) var(--px) var(--sp-20);
}

.legal-page h1 {
  font-size: var(--text-3xl);
  font-weight: var(--fw-extrabold);
  letter-spacing: -0.025em;
  margin-bottom: var(--sp-2);
  line-height: var(--lh-tight);
}

.legal-page .legal-meta {
  font-size: var(--text-sm);
  color: var(--text-muted);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: var(--sp-8);
}

.legal-page h2 {
  font-size: var(--text-lg);
  font-weight: var(--fw-bold);
  margin-top: var(--sp-10);
  margin-bottom: var(--sp-3);
  padding-top: var(--sp-8);
  border-top: 1px solid var(--border-subtle);
}

.legal-page h2:first-of-type { border-top: none; padding-top: 0; }

.legal-page h3 {
  font-size: var(--text-md);
  font-weight: var(--fw-semibold);
  margin-top: var(--sp-6);
  margin-bottom: var(--sp-2);
  color: var(--text-primary);
}

.legal-page p {
  font-size: var(--text-sm);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  margin-bottom: var(--sp-4);
}

.legal-page ul,
.legal-page ol {
  font-size: var(--text-sm);
  line-height: var(--lh-relaxed);
  color: var(--text-secondary);
  padding-left: var(--sp-6);
  margin-bottom: var(--sp-4);
}

.legal-page li { margin-bottom: var(--sp-1); }

.legal-page strong { color: var(--text-primary); font-weight: var(--fw-semibold); }

.legal-page a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.legal-page a:hover { opacity: 0.8; }

.legal-page .legal-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  padding: var(--sp-5) var(--sp-6);
  margin: var(--sp-6) 0;
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: var(--lh-relaxed);
}

.legal-page .legal-box strong { display: block; margin-bottom: var(--sp-1); color: var(--text-primary); }

/* ── Legal page tables ── */
.legal-page table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: var(--text-sm);
  margin: var(--sp-4) 0 var(--sp-6);
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  overflow: hidden;
  background: var(--bg-surface);
}
.legal-page th {
  text-align: left;
  padding: 0.6em 0.8em;
  font-weight: var(--fw-bold);
  font-size: 0.8em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--bg-card);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.legal-page td {
  padding: 0.55em 0.8em;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
  color: var(--text-secondary);
}
.legal-page tr:nth-child(even) td { background: var(--accent-muted); }
.legal-page tbody tr { transition: background 0.1s ease; }
.legal-page tbody tr:hover td { background: var(--bg-card); }
.legal-page tr:last-child td { border-bottom: none; }
.legal-page td:first-child { color: var(--text-primary); font-weight: var(--fw-medium, 500); }

/* Placeholder / Static Pages */
.static-page { max-width: 900px; margin: 0 auto; padding: var(--sp-12) var(--px) var(--sp-20); }

.static-hero {
  margin-bottom: var(--sp-12);
  padding-bottom: var(--sp-8);
  border-bottom: 1px solid var(--border-subtle);
}

.static-hero-tag  { font-size: var(--text-xs); font-weight: var(--fw-semibold); text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); margin-bottom: var(--sp-3); }
.static-hero-h1   { font-size: var(--text-3xl); font-weight: var(--fw-black); letter-spacing: -0.03em; margin-bottom: var(--sp-4); }
.static-hero-sub  { font-size: var(--text-md); color: var(--text-secondary); line-height: var(--lh-relaxed); max-width: 580px; }

.static-section       { margin-bottom: var(--sp-10); }
.static-section-title { font-size: var(--text-lg); font-weight: var(--fw-bold); margin-bottom: var(--sp-4); }
.static-section-body  { font-size: var(--text-sm); color: var(--text-secondary); line-height: var(--lh-relaxed); }

.static-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: var(--sp-5); }

.static-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2);
  padding: var(--sp-6);
}
.static-card-icon  { font-size: 24px; margin-bottom: var(--sp-3); }
.static-card-title { font-size: var(--text-base); font-weight: var(--fw-semibold); margin-bottom: var(--sp-2); }

/* ── JS-generated card layout helpers ──────────────────────────────────────── */
.card-row       { display: flex; gap: 16px; align-items: flex-start; padding: 16px; }
.card-grid-meta { display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: start; padding: 16px; }
.card-body      { flex: 1; min-width: 0; }
.card-header-row    { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.card-header-row-sm { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.card-header-row-xs { display: flex; align-items: center; gap: 8px; margin-bottom: 3px; }
.card-link      { display: contents; text-decoration: none; color: inherit; }
.card-right     { text-align: right; flex-shrink: 0; }
.card-no-cursor { cursor: default; }
.card-align-start { align-items: flex-start; }

/* ── Flex row helpers ───────────────────────────────────────────────────────── */
.row-gap-6  { display: flex; gap: 6px;  flex-shrink: 0; }
.row-gap-8  { display: flex; gap: 8px;  flex-shrink: 0; }
.row-gap-10 { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.chip-row   { display: flex; gap: 5px; flex-wrap: wrap; }

/* ── Typography helpers ─────────────────────────────────────────────────────── */
.fw-600  { font-weight: 600; }
.fw-700  { font-weight: 700; }
.text-11 { font-size: 11px; }
.text-12 { font-size: 12px; }
.text-13 { font-size: 13px; }
.text-14 { font-size: 14px; }
.link-accent    { color: var(--accent); }
.t3             { color: var(--t3); }
.t4             { color: var(--t4); }
.page-counter   { color: var(--text-muted); font-size: 12px; }
.conn-icon      { font-size: 12px; }
.db-loading--error { color: var(--error); }

/* ── Report card components ─────────────────────────────────────────────────── */
.report-card-brand { font-size: 13px; color: var(--t3); }
.report-card-title { font-weight: 700; font-size: 15px; }
.report-card-specs { font-size: 13px; color: var(--t3); line-height: 1.6; }
.mod-report-specs  { font-size: 13px; color: var(--t3); margin-bottom: 6px; }
.mod-report-meta   { font-size: 12px; color: var(--t4); }
.contrib-specs     { font-size: 12px; color: var(--t3); }
.upvote-counter    { flex-shrink: 0; text-align: right; font-size: 13px; color: var(--t3); }

/* ── Upvote button ──────────────────────────────────────────────────────────── */
.upvote-btn {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: 8px 12px;
  min-width: 44px;
  border-radius: var(--r-2);
  border: 1px solid var(--border);
  background: transparent;
  color: var(--t3);
  cursor: pointer;
  font-size: 11px;
  font-weight: 700;
}
.upvote-btn[data-upvoted="true"],
.upvote-btn.active {
  border-color: var(--accent);
  background: var(--accent-muted);
  color: var(--accent);
}
.upvote-icon { font-size: 16px; }

/* ── Small action buttons ───────────────────────────────────────────────────── */
.btn-xs      { font-size: 11px; padding: 3px 8px;  flex-shrink: 0; }
.btn-xs-wide { font-size: 11px; padding: 3px 10px; flex-shrink: 0; }

/* ── Favourite / build card price ──────────────────────────────────────────── */
.card-price { flex-shrink: 0; font-weight: 700; font-size: 14px; color: var(--text-primary); }

/* ── Status badge colours (used in contributions list) ─────────────────────── */
.badge[data-status="pending"]  { background: rgba(251,191,36,.12); color: #fbbf24; }
.badge[data-status="verified"] { background: rgba(34,197,94,.12);  color: #22c55e; }
.badge[data-status="rejected"] { background: rgba(239,68,68,.12);  color: #ef4444; }

/* ── bldr-empty with padding variant ───────────────────────────────────────── */
.bldr-empty-pad { padding: 8px 0; }
.static-card-body  { font-size: var(--text-sm); color: var(--text-muted); line-height: var(--lh-relaxed); }

/* ═══════════════════════════════════════════════════════════════════════════
   CSP style-src migration utilities — replaces all HTML template style= attrs
   ═══════════════════════════════════════════════════════════════════════════ */

/* ── Visibility ────────────────────────────────────────────────────────────── */
.hidden { display: none; }

/* ── Flex utilities ─────────────────────────────────────────────────────────── */
.flex-col           { display: flex; flex-direction: column; }
.flex-col-gap-8     { display: flex; flex-direction: column; gap: 8px; }
.flex-col-gap-10    { display: flex; flex-direction: column; gap: 10px; }
.flex-col-gap-12    { display: flex; flex-direction: column; gap: 12px; }
.flex-col-gap-14    { display: flex; flex-direction: column; gap: 14px; }
.flex-col-gap-16    { display: flex; flex-direction: column; gap: 16px; }
.flex-center        { display: flex; justify-content: center; align-items: center; }
.flex-center-gap-8  { display: flex; justify-content: center; align-items: center; gap: 8px; }
.flex-center-gap-10 { display: flex; justify-content: center; align-items: center; gap: 10px; }
.flex-between       { display: flex; justify-content: space-between; align-items: center; }
.flex-start-gap-12  { display: flex; align-items: flex-start; gap: 12px; }
.flex-wrap-gap-10   { display: flex; gap: 10px; flex-wrap: wrap; }
.flex-wrap-gap-12   { display: flex; gap: 12px; flex-wrap: wrap; }
.flex-1             { flex: 1; }
.flex-shrink-0      { flex-shrink: 0; }

/* ── Grid utilities ─────────────────────────────────────────────────────────── */
.grid-1col-gap-12 { display: grid; grid-template-columns: 1fr; gap: 12px; }
.spec-grid        { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }

/* ── Spacing utilities ──────────────────────────────────────────────────────── */
.m-0   { margin: 0; }
.mb-6  { margin-bottom: 6px; }
.mb-8  { margin-bottom: 8px; }
.mb-12 { margin-bottom: 12px; }
.mb-14 { margin-bottom: 14px; }
.mb-16 { margin-bottom: 16px; }
.mb-20 { margin-bottom: 20px; }
.mb-28 { margin-bottom: 28px; }
.mb-32 { margin-bottom: 32px; }
.mt-4  { margin-top: 4px; }
.mt-12 { margin-top: 12px; }
.mt-14 { margin-top: 14px; }
.p-20  { padding: 20px; }

/* ── Typography utilities ───────────────────────────────────────────────────── */
.text-14        { font-size: 14px; }
.text-17        { font-size: 17px; }
.text-22        { font-size: 22px; }
.text-24        { font-size: 24px; }
.text-36        { font-size: 36px; }
.lh-1           { line-height: 1; }
.lh-155         { line-height: 1.55; }
.lh-16          { line-height: 1.6; }
.text-center    { text-align: center; }
.text-secondary { color: var(--text-secondary); }
.text-muted-sm  { font-size: 14px; color: var(--text-muted); }
.text-muted-xs  { font-size: 13px; color: var(--t3); }
.text-muted-2xs { font-size: 12px; color: var(--t3); }
.heading-tab    { font-size: 17px; font-weight: 700; }
.heading-sm     { font-weight: 700; font-size: 15px; margin-bottom: 16px; }
.heading-modal  { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.link-btn       { background: none; border: none; color: var(--accent); cursor: pointer; font-size: 13px; }
.link-unstyled  { color: var(--accent); text-decoration: none; font-size: 13px; }
.monospace      { font-family: monospace; }
.pointer-none   { pointer-events: none; }

/* ── Divider ────────────────────────────────────────────────────────────────── */
.divider       { display: flex; align-items: center; gap: 10px; margin: 16px 0; }
.divider-line  { flex: 1; height: 1px; background: var(--border); }
.divider-label { font-size: 12px; color: var(--t3); }

/* ── Info / notice box ──────────────────────────────────────────────────────── */
.info-box          { display: flex; align-items: flex-start; gap: 12px; padding: 14px 16px;
                     background: var(--bg-raised); border: 1px solid var(--border);
                     border-radius: var(--r-1); }
.info-box-icon     { font-size: 22px; line-height: 1; flex-shrink: 0; }
.info-box-icon-lg  { font-size: 24px; line-height: 1; flex-shrink: 0; }
.info-box-text     { font-size: 14px; color: var(--text-secondary); line-height: 1.55; margin: 0; }
.icon-success      { color: var(--success, #22c55e); }
.icon-error        { color: var(--error, #ef4444); }

/* ── Modal overlay ──────────────────────────────────────────────────────────── */
.modal-overlay      { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.55);
                      z-index: 900; align-items: center; justify-content: center; padding: 16px; }
.modal-overlay.open { display: flex; }
.modal-box          { background: var(--bg-2); border: 1px solid var(--border);
                      border-radius: var(--r-2); padding: 32px 28px;
                      max-width: 400px; width: 100%; text-align: center; }
.modal-icon         { font-size: 36px; margin-bottom: 14px; }
.modal-warn         { font-size: 13px; color: var(--t3); margin-bottom: 28px; }

/* ── Unified Builder (.ub-*) ────────────────────────────────────────────────── */
.ub-auth-gate { text-align: center; padding: 60px 20px; }
.ub-auth-icon { font-size: 40px; margin-bottom: 12px; }
.ub-auth-title { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.ub-auth-desc { font-size: 14px; color: var(--text-muted); }
.ub-name-input { font-size: 20px; font-weight: 700; background: none; border: none; border-bottom: 2px solid transparent; color: var(--text-primary); outline: none; max-width: 400px; width: 100%; padding: 4px 0; }
.ub-name-input:focus { border-bottom-color: var(--accent); }
.ub-public-label { font-size: 12px; white-space: nowrap; }
.ub-error { color: var(--error); font-size: 13px; margin-bottom: 12px; }
.ub-status-bar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; padding: 10px 14px; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); }
.ub-status-chip { font-size: 12px; padding: 3px 10px; border-radius: 12px; background: var(--bg-surface); border: 1px solid var(--border-subtle); color: var(--text-muted); }
.ub-status-chip--ok { color: var(--success); border-color: var(--success); }
.ub-status-chip--warn { color: var(--warning); border-color: var(--warning); }
.ub-status-chip--error { color: var(--error); border-color: var(--error); }
.ub-panel { margin-bottom: 20px; }
.ub-notes-input { width: 100%; font-size: 14px; padding: 12px; border-radius: 8px; background: var(--bg-surface); border: 1px solid var(--border); color: var(--text-primary); resize: vertical; font-family: var(--font); }
.ub-notes-input:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 2px var(--accent-subtle, rgba(99,102,241,.15)); }

/* ── Ownership toggle ──────────────────────────────────────────────────── */
.ub-own-badge { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 10px; cursor: pointer; transition: all .15s ease; border: 1px solid; user-select: none; vertical-align: middle; }
.ub-own-badge--planned { background: var(--bg-surface); color: var(--text-muted); border-color: var(--border-subtle); }
.ub-own-badge--planned:hover { border-color: var(--text-secondary); color: var(--text-secondary); }
.ub-own-badge--owned { background: rgba(34,197,94,.12); color: #22c55e; border-color: #22c55e; }
.ub-own-badge--owned:hover { background: rgba(34,197,94,.2); }
.ub-own-details { padding: 12px; background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-2); margin-top: 8px; }
.ub-own-details.hidden { display: none; }
.ub-own-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (max-width: 480px) { .ub-own-grid { grid-template-columns: 1fr; } }
.ub-own-field { display: flex; flex-direction: column; gap: 3px; }
.ub-own-field label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
.ub-own-field input, .ub-own-field select { font-size: 13px; padding: 6px 10px; border-radius: var(--r-1); border: 1px solid var(--border); background: var(--bg-card); color: var(--text-primary); font-family: var(--font); }
.ub-own-field input:focus, .ub-own-field select:focus { border-color: var(--accent); outline: none; }
.ub-own-actions { display: flex; gap: 8px; margin-top: 10px; justify-content: flex-end; }
.ub-own-expand-btn { font-size: 11px; color: var(--text-muted); background: none; border: none; cursor: pointer; padding: 2px 4px; text-decoration: underline; }
.ub-own-expand-btn:hover { color: var(--text-secondary); }
.ub-mark-all-btn { margin-top: 16px; }
.ub-slot-header { display: flex; align-items: center; gap: 8px; }
.ub-slot-header .ub-own-badge { flex-shrink: 0; }

/* Canvas */
.ub-canvas-section { margin-bottom: 20px; }
.ub-canvas { background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-2); min-height: 200px; overflow: auto; position: relative; }
.ub-canvas svg { display: block; min-width: 100%; }
.ub-canvas-empty { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 200px; gap: 8px; }
.ub-canvas-empty-icon { font-size: 32px; opacity: 0.4; }
.ub-canvas-empty-text { font-size: 13px; color: var(--text-muted); }
.ub-conn-controls { display: flex; gap: 8px; padding: 10px 0; align-items: center; flex-wrap: wrap; }
.ub-conn-select { flex: 1; min-width: 120px; font-size: 12px; padding: 6px 8px; border-radius: 6px; background: var(--bg-surface); border: 1px solid var(--border-subtle); color: var(--text-primary); }

/* Main layout */
.ub-layout { display: grid; grid-template-columns: 300px 1fr; gap: 20px; }
@media (max-width: 768px) { .ub-layout { grid-template-columns: 1fr; } }
.ub-config-panel { position: sticky; top: 72px; align-self: start; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: 0 16px; }
.ub-browser-panel { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); overflow: hidden; }

/* Sections */
.ub-section { padding: 16px 0; border-bottom: 1px solid var(--border); }
.ub-section:last-child { border-bottom: none; }
.ub-section-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); margin-bottom: 8px; }

/* Slot rows */
.ub-slot-row { display: flex; align-items: center; justify-content: space-between; padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; gap: 8px; }
.ub-slot-row:last-child { border-bottom: none; }
.ub-slot-type { font-size: 11px; color: var(--text-muted); min-width: 70px; text-transform: capitalize; }
.ub-slot-name { flex: 1; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ub-slot-empty { flex: 1; color: var(--text-muted); font-style: italic; }
.ub-slot-remove { background: none; border: none; color: var(--text-muted); cursor: pointer; font-size: 12px; padding: 2px 6px; border-radius: 4px; }
.ub-slot-remove:hover { color: var(--error); background: var(--error-bg); }
.ub-conn-type-badge { font-size: 10px; font-weight: 700; text-transform: uppercase; }
.ub-total { font-size: 14px; font-weight: 700; color: var(--text-primary); }

/* Spec chips */
.ub-spec-chip { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 10px; background: var(--bg-surface); border: 1px solid var(--border-subtle); margin: 2px 4px 2px 0; }
.ub-wattage { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* Compatibility */
.ub-compat-issue { display: flex; align-items: flex-start; gap: 6px; padding: 6px 8px; border-radius: 6px; font-size: 12px; line-height: 1.4; margin-bottom: 4px; }
.ub-compat-issue:last-child { margin-bottom: 0; }
.ub-compat-error   { background: var(--error-bg);   border: 1px solid var(--error-b);   color: var(--error); }
.ub-compat-warning { background: var(--warning-bg); border: 1px solid var(--warning-b); color: var(--warning); }
.ub-compat-icon { flex-shrink: 0; font-weight: 700; }
.ub-compat-ok { font-size: 12px; color: var(--success, #22c55e); }

/* Browser tabs & search */
.ub-browser-mode-tabs { display: flex; border-bottom: 1px solid var(--border-subtle); }
.ub-mode-tab { flex: 1; text-align: center; padding: 10px; font-size: 12px; font-weight: 600; background: none; border: none; border-bottom: 2px solid transparent; color: var(--text-muted); cursor: pointer; }
.ub-mode-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.ub-cat-tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 12px 14px; border-bottom: 1px solid var(--border-subtle); }
.ub-cat-tab { font-size: 12px; font-weight: 600; padding: 6px 14px; border-radius: 20px; background: var(--bg-surface); color: var(--text-secondary); border: 1px solid var(--border); cursor: pointer; transition: all .15s ease; }
.ub-cat-tab:hover { border-color: var(--accent); color: var(--accent); }
.ub-cat-tab.active { background: var(--accent-subtle, rgba(99,102,241,.12)); color: var(--accent); border-color: var(--accent); }
.ub-item-tabs { display: flex; flex-wrap: wrap; gap: 4px; padding: 10px 14px; border-bottom: 1px solid var(--border-subtle); }
.ub-item-tab { font-size: 11px; font-weight: 600; padding: 4px 10px; border-radius: 16px; background: var(--bg-surface); color: var(--text-secondary); border: 1px solid var(--border-subtle); cursor: pointer; }
.ub-item-tab.active { background: var(--accent-subtle, rgba(99,102,241,.12)); color: var(--accent); border-color: var(--accent); }
.ub-browser-header { padding: 10px 14px; border-bottom: 1px solid var(--border-subtle); display: flex; gap: 8px; align-items: center; }
.ub-search { flex: 1; font-size: 13px; padding: 8px 12px; border-radius: 8px; background: var(--bg-surface); border: 1px solid var(--border); color: var(--text-primary); }
.ub-search:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 2px var(--accent-subtle, rgba(99,102,241,.15)); }
.ub-role-select { width: 100px; font-size: 11px; padding: 6px 8px; border-radius: 6px; background: var(--bg-surface); border: 1px solid var(--border-subtle); color: var(--text-primary); }

/* Component list */
.ub-comp-list { max-height: 400px; overflow-y: auto; padding: 8px 14px; }
.ub-comp-item { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg-card); margin-bottom: 6px; gap: 10px; }
.ub-comp-item:hover { border-color: var(--accent); }
.ub-comp-item.selected { border-color: var(--accent); background: var(--accent-subtle, rgba(99,102,241,.06)); }
.ub-comp-name { font-size: 13px; font-weight: 600; }
.ub-comp-spec { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.ub-comp-price { font-size: 13px; font-weight: 700; color: var(--accent); }
.ub-comp-select-btn { font-size: 12px; padding: 5px 14px; border-radius: 6px; background: var(--accent); color: #fff; border: none; cursor: pointer; font-weight: 600; transition: opacity .15s ease; }
.ub-comp-select-btn.selected { background: var(--error); }
.ub-comp-select-btn:hover { opacity: 0.85; }
.ub-pagination { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 14px; border-top: 1px solid var(--border-subtle); }
.ub-loading { font-size: 13px; color: var(--text-muted); text-align: center; padding: 24px; }
.ub-empty { font-size: 13px; color: var(--text-muted); text-align: center; padding: 24px; }
.ub-error-inline { color: var(--error); }

/* Device library cards */
.ub-lib-card { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--border-subtle); margin-bottom: 6px; }
.ub-lib-card:hover { border-color: var(--accent); }
.ub-lib-icon { font-size: 18px; }
.ub-lib-info { flex: 1; min-width: 0; }
.ub-lib-name { font-size: 12px; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ub-lib-type { font-size: 10px; color: var(--text-muted); text-transform: capitalize; }
.ub-lib-add { flex-shrink: 0; }

/* Save confirmation */
.ub-save-confirm { max-width: 420px; }
.ub-save-icon { font-size: 48px; color: var(--success); margin-bottom: 12px; }
.ub-save-title { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.ub-save-subtitle { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.ub-save-summary { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 24px; }
.ub-save-stat { font-size: 12px; padding: 4px 10px; border-radius: 12px; background: var(--bg-surface); border: 1px solid var(--border-subtle); }
.ub-save-stat--ok { color: var(--success); border-color: var(--success); }
.ub-save-stat--warn { color: var(--warning); border-color: var(--warning); }
.ub-save-actions { display: flex; flex-direction: column; gap: 8px; }
.ub-save-cta { width: 100%; text-align: center; }

/* ── Toast notification ─────────────────────────────────────────────────────── */
.toast       { display: none; position: fixed; bottom: 24px; right: 24px; z-index: 9999;
               background: var(--bg-card); border: 1px solid var(--success);
               border-radius: var(--r-2); padding: 14px 16px; box-shadow: var(--shadow-lg);
               align-items: flex-start; gap: 12px; font-size: 14px; max-width: 320px; }
.toast.show  { display: flex; }
.toast-icon  { color: var(--success); font-size: 20px; line-height: 1.1; flex-shrink: 0; }
.toast-body  { flex: 1; }
.toast-title { font-weight: 600; margin-bottom: 3px; }
.toast-desc  { font-size: 13px; color: var(--text-muted); line-height: 1.5; }
.toast-close { background: none; border: none; cursor: pointer; color: var(--text-muted);
               font-size: 20px; line-height: 1; padding: 0; flex-shrink: 0; }

/* ── Auth nudge box ─────────────────────────────────────────────────────────── */
.auth-nudge       { display: none; border: 1px solid var(--border); border-radius: var(--r-2);
                    padding: 14px 16px; background: var(--bg-elevated); }
.auth-nudge.show  { display: block; }
.auth-nudge-title { font-weight: 600; font-size: 14px; margin-bottom: 8px; }
.auth-nudge-text  { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }

/* ── Sub-tab bar ────────────────────────────────────────────────────────────── */
.subtab-bar        { display: flex; gap: 4px; margin-bottom: 20px;
                     border-bottom: 1px solid var(--border-subtle); padding-bottom: 0; }
.subtab-btn        { padding: 7px 14px; font-size: 12px; font-weight: 600; border: none;
                     border-bottom: 2px solid transparent; background: none;
                     color: var(--text-muted); cursor: pointer; }
.subtab-btn.active { border-bottom-color: var(--accent); color: var(--accent); }

/* ── Profile-specific ───────────────────────────────────────────────────────── */
.stat-cards-row   { display: flex; gap: 12px; margin-bottom: 32px; flex-wrap: wrap; }
#tab-settings:not(.hidden) { display: flex; flex-direction: column; gap: 16px; max-width: 520px; }
.mod-badge-hint   { display: none; margin-top: 4px; font-size: 11px; }
.code-phrase      { font-family: monospace; color: var(--error); background: var(--error-bg);
                    border: 1px solid var(--error-b); border-radius: 3px; padding: 1px 5px;
                    text-transform: none; letter-spacing: 0; font-size: 11px; }

/* ── OTP / code input ───────────────────────────────────────────────────────── */
.otp-input { text-align: center; font-size: 22px; letter-spacing: 6px; font-family: monospace; }

/* ── Extra utilities for CSP migration ──────────────────────────────────────── */
.self-start      { align-self: flex-start; }
.inline-flex     { display: inline-flex; }
.fw-600          { font-weight: 600; }
.lh-165          { line-height: 1.65; }
.w-full          { width: 100%; }
.justify-center  { justify-content: center; }
.mb-36           { margin-bottom: 36px; }
.mb-40           { margin-bottom: 40px; }
.mt-0            { margin-top: 0; }
.mt-10           { margin-top: 10px; }
.mt-40           { margin-top: 40px; }
.mb-0            { margin-bottom: 0; }
.w-380           { width: 380px; }
.flex-gap-8      { display: flex; gap: 8px; }

/* ── Extra spacing / sizing utilities ───────────────────────────────────── */
.mb-4            { margin-bottom: 4px; }
.mb-10           { margin-bottom: 10px; }
.mb-24           { margin-bottom: 24px; }
.mt-16           { margin-top: 16px; }
.pt-20           { padding-top: 20px; }
.p-16            { padding: 16px; }

/* ── Typography ──────────────────────────────────────────────────────────── */
.text-10         { font-size: 10px; }
.text-15         { font-size: 15px; }
.text-20         { font-size: 20px; }
.fw-800          { font-weight: 800; }
.italic          { font-style: italic; }
.ws-nowrap       { white-space: nowrap; }
.text-error      { color: var(--error); }

/* ── Layout helpers ──────────────────────────────────────────────────────── */
.max-w-320          { max-width: 320px; }
.flex-start-gap-16  { display: flex; align-items: flex-start; gap: 16px; }
.page-topbar        { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; }
.bldr-topbar-actions{ display: flex; gap: 8px; flex-shrink: 0; padding-top: 20px; }
.page-title-lg      { font-size: 20px; font-weight: 800; margin: 4px 0 0; }
.dev-page-title     { font-size: 22px; font-weight: 800; margin: 4px 0 4px; }
.nav-back           { font-size: 12px; color: var(--text-muted); text-decoration: none; }
.link-accent-xs     { font-size: 10px; color: var(--accent); text-decoration: none; }
.hub-empty-text     { font-size: 13px; color: var(--text-muted); padding: 12px 0; }
.auth-gate-icon     { font-size: 40px; opacity: 0.4; }
.label-sm           { font-size: 12px; color: var(--text-muted); display: block; margin-bottom: 4px; }
.label-checkbox     { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); cursor: pointer; }
.db-select          { width: 100%; background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-1); padding: 7px 10px; font-size: 13px; color: var(--text-primary); }
.bldr-item-search-wrap { padding: 10px 12px 0; }
.bldr-item-list-body   { padding: 0 12px 10px; }
.bldr-pagination-bar   { flex-direction: row; gap: 8px; align-items: center; justify-content: center; padding: 8px 12px; border-top: 1px solid var(--border-subtle); }
.part-error         { text-align: center; padding: 80px 24px; }
.part-not-found     { font-size: 15px; font-weight: 600; color: var(--text-secondary); margin-bottom: 12px; }
.dev-error-box      { color: var(--error); font-size: 13px; padding: 16px; }
.skeleton-line      { background: var(--border); border-radius: 4px; }
.skeleton-line-1    { height: 20px; width: 40%; margin-bottom: 12px; }
.skeleton-line-2    { height: 14px; width: 80%; margin-bottom: 8px; }
.skeleton-line-3    { height: 14px; width: 60%; }

/* ══════════════════════════════════════════════════════════════════════════
   Moved from template <style> blocks (CSP unsafe-inline removal)
   ══════════════════════════════════════════════════════════════════════════ */

/* ── builder_detail.html ─────────────────────────────────────────────────── */
.bldr-header { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.bldr-header-back { font-size: 12px; color: var(--text-muted); text-decoration: none; white-space: nowrap; }
.bldr-header-back:hover { color: var(--accent); }
.bldr-name-input { flex: 1; min-width: 180px; font-size: 18px; font-weight: 700; background: none; border: none; border-bottom: 2px solid transparent; outline: none; color: var(--text-primary); padding: 2px 0; transition: border-color .15s; }
.bldr-name-input:focus { border-bottom-color: var(--accent); }
.bldr-name-input::placeholder { color: var(--text-muted); font-weight: 400; }
#bldr-error { color: var(--error); font-size: 13px; margin-bottom: 10px; display: none; }
#bldr-auth-gate { display: none; flex-direction: column; align-items: center; justify-content: center; padding: 80px 24px; text-align: center; gap: 12px; }
.bldr-layout { display: grid; grid-template-columns: 240px 1fr 260px; gap: 16px; align-items: start; }
@media (max-width: 1024px) { .bldr-layout { grid-template-columns: 200px 1fr 240px; } }
@media (max-width: 768px)  { .bldr-layout { grid-template-columns: 1fr; } }
.bldr-panel { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); overflow: hidden; }
.bldr-panel-head { padding: 10px 14px; border-bottom: 1px solid var(--border-subtle); font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--text-muted); display: flex; align-items: center; justify-content: space-between; }
.bldr-panel-body { padding: 10px 12px; }
.bldr-lib-card { display: flex; align-items: center; gap: 8px; padding: 7px 8px; border-radius: var(--r-1); border: 1px solid var(--border-subtle); margin-bottom: 6px; background: var(--bg-surface); transition: border-color .12s; }
.bldr-lib-card:hover { border-color: var(--accent); }
.bldr-build-device-card { display: flex; align-items: center; gap: 8px; padding: 6px 8px; border-radius: var(--r-1); border: 1px solid var(--border-subtle); margin-bottom: 6px; background: color-mix(in srgb, var(--accent) 5%, transparent); border-color: color-mix(in srgb, var(--accent) 25%, transparent); }
.bldr-dev-icon { font-size: 18px; flex-shrink: 0; }
.bldr-dev-name { font-size: 12px; font-weight: 600; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bldr-dev-type { font-size: 10px; color: var(--text-muted); text-transform: capitalize; }
.bldr-remove-btn { margin-left: auto; background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 11px; padding: 2px 4px; border-radius: 3px; flex-shrink: 0; }
.bldr-remove-btn:hover { color: var(--error); background: color-mix(in srgb, var(--error) 10%, transparent); }
.bldr-search { width: 100%; box-sizing: border-box; background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-1); padding: 6px 10px; font-size: 12px; color: var(--text-primary); outline: none; margin-bottom: 8px; }
.bldr-search:focus { border-color: var(--accent); }
.bldr-role-select { width: 100%; box-sizing: border-box; background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-1); padding: 5px 8px; font-size: 11px; color: var(--text-primary); margin-bottom: 8px; }
.bldr-tab-bar { display: flex; overflow-x: auto; border-bottom: 1px solid var(--border-subtle); scrollbar-width: none; }
.bldr-tab-bar::-webkit-scrollbar { display: none; }
.bldr-tab { padding: 9px 12px; font-size: 11px; font-weight: 600; color: var(--text-muted); background: none; border: none; border-bottom: 2px solid transparent; cursor: pointer; white-space: nowrap; }
.bldr-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.bldr-item-card { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: var(--r-1); border: 1px solid var(--border-subtle); margin-bottom: 6px; }
.bldr-item-name  { font-size: 12px; font-weight: 600; color: var(--text-primary); }
.bldr-item-price { font-size: 11px; color: var(--text-muted); margin-top: 1px; }
.bldr-spinner    { color: var(--text-muted); font-size: 13px; padding: 24px; text-align: center; }
.bldr-empty      { color: var(--text-muted); font-size: 12px; padding: 12px 0; text-align: center; }
.bldr-error-inline { color: var(--error); font-size: 12px; padding: 12px; text-align: center; }
.bldr-summary-section { margin-top: 8px; }
.bldr-summary-head { font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); margin-bottom: 4px; }
.bldr-summary-row { display: flex; align-items: center; justify-content: space-between; padding: 4px 0; font-size: 12px; border-bottom: 1px solid var(--border-subtle); gap: 8px; }
.bldr-summary-row:last-child { border-bottom: none; }
.bldr-conn-select { width: 100%; box-sizing: border-box; background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-1); padding: 5px 8px; font-size: 11px; color: var(--text-primary); margin-bottom: 5px; }
#bldr-diagram-container { background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-1); min-height: 180px; overflow: auto; }
#bldr-diagram-container svg { display: block; }

/* ── device_builder.html (PC builder) ───────────────────────────────────── */
.db-layout { display: grid; grid-template-columns: 300px 1fr; gap: 20px; align-items: start; }
.db-info-panel { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); overflow: hidden; position: sticky; top: 72px; }
.db-info-section { padding: 16px 18px; border-bottom: 1px solid var(--border-subtle); }
.db-info-section:last-child { border-bottom: none; }
.db-info-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--text-muted); margin-bottom: 8px; }
.db-slot-row { display: flex; align-items: center; justify-content: space-between; padding: 7px 0; border-bottom: 1px solid var(--border-subtle); font-size: 13px; gap: 8px; }
.db-slot-row:last-child { border-bottom: none; }
.db-slot-type  { color: var(--text-muted); flex-shrink: 0; }
.db-slot-name  { color: var(--text-primary); font-weight: 500; flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.db-slot-empty { color: var(--text-muted); font-style: italic; }
.db-slot-remove { background: none; border: none; cursor: pointer; color: var(--text-muted); font-size: 14px; padding: 2px 4px; border-radius: 4px; line-height: 1; }
.db-slot-remove:hover { color: var(--error); background: color-mix(in srgb, var(--error) 10%, transparent); }
.db-total { font-size: 14px; font-weight: 700; color: var(--text-primary); }
.db-compat-issue { display: flex; align-items: flex-start; gap: 6px; padding: 6px 8px; border-radius: 6px; font-size: 12px; line-height: 1.4; margin-bottom: 4px; }
.db-compat-issue:last-child { margin-bottom: 0; }
.db-compat-error   { background: var(--error-bg);   border: 1px solid var(--error-b);   color: var(--error); }
.db-compat-warning { background: var(--warning-bg); border: 1px solid var(--warning-b); color: var(--warning); }
.db-compat-icon { flex-shrink: 0; font-weight: 700; }
.db-compat-ok { font-size: 12px; color: var(--success, #22c55e); }
.db-wattage { font-size: 12px; color: var(--text-muted); margin-top: 8px; }
.db-save-confirm { max-width: 420px; }
.db-save-icon { font-size: 48px; color: var(--success); margin-bottom: 12px; }
.db-save-title { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.db-save-subtitle { font-size: 14px; color: var(--text-muted); margin-bottom: 20px; }
.db-save-summary { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 24px; }
.db-save-stat { font-size: 12px; padding: 4px 10px; border-radius: 12px; background: var(--bg-surface); border: 1px solid var(--border-subtle); }
.db-save-stat--ok { color: var(--success); border-color: var(--success); }
.db-save-stat--warn { color: var(--warning); border-color: var(--warning); }
.db-save-actions { display: flex; flex-direction: column; gap: 8px; }
.db-save-cta { width: 100%; text-align: center; }
.db-browser-panel { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); overflow: hidden; }
.db-browser-header { padding: 14px 18px; border-bottom: 1px solid var(--border-subtle); display: flex; align-items: center; gap: 10px; }
.db-cat-tabs { display: flex; flex-wrap: wrap; gap: 6px; padding: 14px 18px; border-bottom: 1px solid var(--border-subtle); }
.db-cat-tab { font-size: 12px; font-weight: 600; padding: 5px 12px; border-radius: 20px; background: var(--bg-surface); color: var(--text-secondary); border: 1px solid var(--border-subtle); cursor: pointer; }
.db-cat-tab.active { background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
.db-search { flex: 1; background: var(--bg-surface); border: 1px solid var(--border-subtle); border-radius: var(--r-1); padding: 7px 12px; font-size: 13px; color: var(--text-primary); outline: none; }
.db-search:focus { border-color: var(--accent); }
.db-comp-list { padding: 12px 18px; }
.db-comp-item { display: flex; align-items: center; justify-content: space-between; padding: 10px 12px; border-radius: var(--r-1); border: 1px solid var(--border-subtle); margin-bottom: 8px; gap: 12px; cursor: pointer; transition: border-color .12s; }
.db-comp-item:hover { border-color: var(--accent); }
.db-comp-item.selected { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); }
.db-comp-name  { font-size: 13px; font-weight: 600; color: var(--text-primary); }
.db-comp-spec  { font-size: 11px; color: var(--text-muted); margin-top: 2px; }
.db-comp-price { font-size: 13px; font-weight: 700; color: var(--accent); white-space: nowrap; }
.db-comp-select-btn { padding: 4px 12px; border-radius: var(--r-1); font-size: 12px; font-weight: 600; background: var(--accent); color: #fff; border: none; cursor: pointer; white-space: nowrap; }
.db-comp-select-btn.selected { background: var(--error); }
.db-loading { color: var(--text-muted); font-size: 13px; padding: 32px; text-align: center; }
.db-empty   { color: var(--text-muted); font-size: 13px; padding: 32px; text-align: center; }
.db-pagination { display: flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 18px; border-top: 1px solid var(--border-subtle); font-size: 13px; }

/* ── builder.html (battlestations list) ─────────────────────────────────── */
.bs-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; margin-top: 24px; }
.bs-card { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: 18px 20px; cursor: pointer; transition: border-color .15s, box-shadow .15s; text-decoration: none; display: block; color: inherit; }
.bs-card:hover { border-color: var(--accent); box-shadow: 0 2px 12px color-mix(in srgb, var(--accent) 12%, transparent); }
.bs-card-name { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 4px; }
.bs-card-desc { font-size: 13px; color: var(--text-muted); margin-bottom: 12px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.bs-card-footer { display: flex; align-items: center; justify-content: space-between; font-size: 12px; color: var(--text-muted); padding-top: 10px; border-top: 1px solid var(--border-subtle); }
.bs-chip { font-size: 11px; padding: 2px 8px; border-radius: 20px; background: var(--bg-surface); color: var(--text-secondary); border: 1px solid var(--border-subtle); }
#bl-loading { color: var(--text-muted); font-size: 13px; padding: 40px; text-align: center; }
#bl-error   { color: var(--error); font-size: 13px; padding: 16px; display: none; }
.bl-empty   { text-align: center; padding: 64px 24px; color: var(--text-muted); }
.bl-empty-icon  { font-size: 40px; margin-bottom: 14px; opacity: .3; }
.bl-empty-title { font-size: 16px; font-weight: 600; color: var(--text-secondary); margin-bottom: 6px; }
.bl-empty-sub   { font-size: 13px; }

/* ── builder_hub.html ───────────────────────────────────────────────────── */
.hub-intro { margin-bottom: 32px; }
.hub-intro h1 { font-size: 24px; font-weight: 800; margin: 0 0 6px; }
.hub-intro p  { font-size: 14px; color: var(--text-muted); margin: 0; }
.hub-choices  { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 40px; }
@media (max-width: 700px) { .hub-choices { grid-template-columns: 1fr; } }
.hub-choice { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: 28px 24px; text-decoration: none; color: inherit; display: flex; flex-direction: column; align-items: flex-start; gap: 10px; transition: border-color .15s, box-shadow .15s; cursor: pointer; }
.hub-choice:hover { border-color: var(--accent); box-shadow: 0 2px 16px color-mix(in srgb, var(--accent) 14%, transparent); }
.hub-choice-icon  { font-size: 32px; line-height: 1; }
.hub-choice-title { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.hub-choice-desc  { font-size: 13px; color: var(--text-muted); line-height: 1.5; margin: 0; }
.hub-choice-action{ margin-top: 4px; font-size: 12px; font-weight: 600; color: var(--accent); }
.hub-section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.hub-section-head h2 { font-size: 16px; font-weight: 700; margin: 0; }
.hub-section-head a  { font-size: 13px; color: var(--accent); text-decoration: none; }
.hub-section    { margin-bottom: 36px; }
.hub-card-grid  { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.hub-card       { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: 14px 16px; text-decoration: none; color: inherit; display: flex; flex-direction: column; gap: 4px; transition: border-color .12s; }
.hub-card:hover { border-color: var(--accent); }
.hub-card-label { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .05em; color: var(--accent); }
.hub-card-name  { font-size: 14px; font-weight: 700; color: var(--text-primary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hub-card-meta  { font-size: 12px; color: var(--text-muted); }
#hub-auth-notice { font-size: 13px; color: var(--text-muted); padding: 12px 0; display: none; }
.hub-loading     { font-size: 13px; color: var(--text-muted); padding: 12px 0; }

/* ── catalogue.html ─────────────────────────────────────────────────────── */
.cat-layout { display: grid; grid-template-columns: 180px 1fr; gap: 20px; align-items: start; }
.cat-sidebar { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); overflow: hidden; position: sticky; top: 72px; }
.cat-sidebar-item { display: flex; align-items: center; justify-content: space-between; width: 100%; padding: 9px 14px; font-size: 13px; font-weight: 500; color: var(--text-secondary); background: none; border: none; border-bottom: 1px solid var(--border-subtle); cursor: pointer; text-align: left; transition: background .1s, color .1s; }
.cat-sidebar-item:last-child { border-bottom: none; }
.cat-sidebar-item:hover { background: var(--bg-surface); color: var(--text-primary); }
.cat-sidebar-item:focus-visible { outline: 2px solid var(--accent); outline-offset: -2px; }
.cat-sidebar-item.active { background: color-mix(in srgb, var(--accent) 10%, transparent); color: var(--accent); font-weight: 600; }
.cat-sidebar-count { font-size: 11px; font-weight: 400; color: var(--text-muted); min-width: 20px; text-align: right; }
.cat-sidebar-item.active .cat-sidebar-count { color: color-mix(in srgb, var(--accent) 65%, transparent); }
.cat-badge { display: inline-block; font-size: 11px; font-weight: 600; line-height: 1; padding: 3px 8px; border-radius: 20px; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 28%, transparent); letter-spacing: .01em; white-space: nowrap; }
.cat-part-card { cursor: pointer; }
.cat-part-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.cat-card-header { display: flex; gap: 8px; align-items: flex-start; }
.cat-card-header--has-specs { margin-bottom: 8px; }
.cat-card-body  { flex: 1; min-width: 0; }
.cat-badges-row { display: flex; flex-wrap: wrap; gap: 5px; }
.cat-badges-row--has-info { margin-bottom: 6px; }
.cat-loading { color: var(--text-muted); font-size: 13px; padding: 8px 0; }
.cat-error   { color: var(--error); font-size: 13px; }
.cat-empty   { text-align: center; padding: 48px 24px; color: var(--text-muted); }
.cat-empty-icon  { font-size: 32px; margin-bottom: 12px; opacity: .35; }
.cat-empty-title { font-size: 15px; font-weight: 600; color: var(--text-secondary); margin-bottom: 4px; }
.cat-empty-sub   { font-size: 13px; }
.cat-pagination  { display: flex; align-items: center; justify-content: center; gap: 12px; padding: 16px 0 4px; }
.cat-page-btn    { padding: 5px 14px; font-size: 13px; font-weight: 500; border-radius: var(--r-1); border: 1px solid var(--border-subtle); background: var(--bg-card); color: var(--text-secondary); cursor: pointer; transition: background .1s, color .1s; }
.cat-page-btn:hover:not(:disabled) { background: var(--bg-surface); color: var(--text-primary); }
.cat-page-btn:disabled { opacity: .4; cursor: default; }
.cat-page-info   { font-size: 13px; color: var(--text-muted); }

/* ── part.html ──────────────────────────────────────────────────────────── */
.part-header { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: 24px 28px; margin-bottom: 20px; }
.part-header-back { font-size: 12px; color: var(--text-muted); text-decoration: none; display: inline-flex; align-items: center; gap: 4px; margin-bottom: 14px; transition: color .15s; }
.part-header-back:hover { color: var(--text-primary); }
.part-type-badge { display: inline-block; font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 2px 8px; border-radius: 4px; background: var(--bg-elevated); color: var(--text-muted); border: 1px solid var(--border); margin-bottom: 10px; }
.part-header-mfr { font-size: 12px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: 4px; }
.part-header-name { font-size: 22px; font-weight: 800; color: var(--text-primary); letter-spacing: -.02em; margin-bottom: 14px; line-height: 1.2; }
.part-compat-row  { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.part-compat-badge { display: inline-flex; align-items: center; gap: 5px; font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 20px; background: color-mix(in srgb, var(--accent) 12%, transparent); color: var(--accent); border: 1px solid color-mix(in srgb, var(--accent) 25%, transparent); white-space: nowrap; }
.part-compat-badge .badge-lbl { font-size: 10px; font-weight: 500; color: color-mix(in srgb, var(--accent) 70%, transparent); text-transform: uppercase; letter-spacing: .05em; }
.part-meta-row { display: flex; flex-wrap: wrap; gap: 16px; font-size: 12px; color: var(--text-muted); margin-top: 8px; }
.part-meta-row span b { color: var(--text-secondary); font-weight: 500; }
.spec-section { background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); overflow: hidden; }
.spec-section-title { font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--text-muted); padding: 10px 16px; border-bottom: 1px solid var(--border-subtle); background: var(--bg-surface); }
.spec-section-title.is-compat { color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, var(--bg-surface)); border-bottom-color: color-mix(in srgb, var(--accent) 20%, transparent); }
.spec-row { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; padding: 8px 16px; border-bottom: 1px solid var(--border-subtle); font-size: 13px; }
.spec-row:last-child { border-bottom: none; }
.spec-lbl { color: var(--text-muted); flex-shrink: 0; min-width: 100px; }
.spec-val { color: var(--text-primary); font-weight: 500; text-align: right; word-break: break-word; }
.spec-val--compat { color: var(--accent); }
.spec-val--list { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.spec-val--list span { font-size: 12px; }
.part-loading { text-align: center; padding: 80px 24px; color: var(--text-muted); font-size: 13px; }

/* ── timeline.html ──────────────────────────────────────────────────────── */
.tl-page { display: grid; grid-template-columns: 1fr 280px; gap: 32px; align-items: start; }
@media (max-width: 900px) { .tl-page { grid-template-columns: 1fr; } }
.tl-stats { display: flex; gap: 12px; flex-wrap: wrap; }
.tl-stat { background: var(--bg-2); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: 14px 20px; min-width: 90px; }
.tl-stat-val { font-size: 22px; font-weight: 800; color: var(--t1); line-height: 1; }
.tl-stat-lbl { font-size: 11px; color: var(--t4); text-transform: uppercase; letter-spacing: .06em; margin-top: 4px; }
.tl-wrap { position: relative; }
.tl-event { display: flex; gap: 16px; margin-bottom: 0; }
.tl-event--latest .tl-card { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent)22; }
.tl-spine { display: flex; flex-direction: column; align-items: center; flex-shrink: 0; width: 20px; }
.tl-dot { width: 14px; height: 14px; border-radius: 50%; background: var(--bg-3); border: 2px solid var(--border); flex-shrink: 0; margin-top: 14px; z-index: 1; }
.tl-dot--initial { background: var(--accent); border-color: var(--accent); }
.tl-dot--latest  { background: #22c55e; border-color: #22c55e; box-shadow: 0 0 0 4px #22c55e22; }
.tl-line { width: 2px; flex: 1; background: var(--border); margin: 4px 0; min-height: 24px; }
.tl-body { flex: 1; padding-bottom: 28px; }
.tl-meta { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; margin-top: 10px; }
.tl-date { font-size: 12px; font-weight: 600; color: var(--t3); }
.tl-type-tag { font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 2px 7px; border-radius: 10px; }
.tl-type-upgrade    { background: var(--accent)1a; color: var(--accent); }
.tl-type-peripheral { background: #a855f71a; color: #a855f7; }
.tl-type-current    { background: #22c55e1a; color: #22c55e; }
.tl-card { background: var(--bg-2); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: 16px 18px; transition: border-color .15s; }
.tl-card-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 6px; }
.tl-card-title { font-size: 15px; font-weight: 700; color: var(--t1); }
.tl-card-count { font-size: 11px; color: var(--t4); }
.tl-card-note  { font-size: 13px; color: var(--t3); margin: 0 0 14px; line-height: 1.5; }
.tl-badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 10px; font-weight: 700; letter-spacing: .04em; text-transform: uppercase; border: 1px solid transparent; white-space: nowrap; flex-shrink: 0; }
.tl-parts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 8px; margin-top: 4px; }
.tl-part-item { display: flex; flex-direction: column; gap: 5px; padding: 10px 12px; border-radius: var(--r-1); background: var(--bg-3); border: 1px solid var(--border-subtle); }
.tl-part-name { font-size: 12px; color: var(--t2); line-height: 1.4; }
.tl-changes-list { display: flex; flex-direction: column; gap: 10px; margin-top: 4px; }
.tl-change { display: flex; align-items: flex-start; gap: 10px; }
.tl-change-body  { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-size: 13px; flex: 1; padding-top: 1px; }
.tl-change-old   { color: var(--t4); text-decoration: line-through; }
.tl-change-arrow { color: var(--t4); font-size: 12px; flex-shrink: 0; }
.tl-change-new   { color: var(--t1); font-weight: 600; }
.tl-change-added { color: #22c55e; }
.cs-panel       { background: var(--bg-2); border: 1px solid var(--border-subtle); border-radius: var(--r-2); padding: 18px; position: sticky; top: 80px; }
.cs-panel-title { font-size: 13px; font-weight: 700; color: var(--t1); margin-bottom: 4px; }
.cs-panel-sub   { font-size: 11px; color: var(--t4); margin-bottom: 14px; padding-bottom: 14px; border-bottom: 1px solid var(--border-subtle); }
.cs-item        { display: flex; flex-direction: column; gap: 4px; padding: 8px 0; border-bottom: 1px solid var(--border-subtle); }
.cs-item:last-child { border-bottom: none; }
.cs-name        { font-size: 12px; color: var(--t2); line-height: 1.4; }
@media (max-width: 600px) { .tl-parts-grid { grid-template-columns: 1fr 1fr; } .tl-change-body { flex-direction: column; align-items: flex-start; gap: 3px; } }
@media (max-width: 420px) { .tl-parts-grid { grid-template-columns: 1fr; } }

/* ── Cookie consent banner (base.html) ──────────────────────────────────── */
#cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 9998;
  background: var(--bg-elevated);
  border-top: 1px solid var(--border);
  padding: 14px 24px;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  box-shadow: 0 -4px 24px rgba(0,0,0,.35);
}
.cc-text { flex: 1; min-width: 200px; font-size: 13px; color: var(--text-secondary); line-height: 1.55; }
.cc-text a { color: var(--accent); text-decoration: none; }
.cc-text a:hover { text-decoration: underline; }
.cc-actions { display: flex; gap: 8px; flex-shrink: 0; flex-wrap: wrap; }
#cookie-customize-modal { position: fixed; inset: 0; background: rgba(0,0,0,.55); z-index: 9999; align-items: center; justify-content: center; padding: 16px; }
.cc-modal-box { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-2); padding: 28px 24px; max-width: 480px; width: 100%; max-height: 90vh; overflow-y: auto; }
.cc-modal-title { font-size: 17px; font-weight: 700; color: var(--text-primary); margin-bottom: 6px; }
.cc-modal-desc  { font-size: 13px; color: var(--text-muted); line-height: 1.55; margin-bottom: 8px; }
.cc-category { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 14px 0; border-top: 1px solid var(--border-subtle); }
.cc-category:last-of-type { border-bottom: 1px solid var(--border-subtle); }
.cc-cat-name  { font-size: 14px; font-weight: 600; color: var(--text-primary); margin-bottom: 3px; }
.cc-cat-desc  { font-size: 12px; color: var(--text-muted); line-height: 1.45; }
.cc-badge-always { display: inline-block; font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--success); background: var(--success-bg); border-radius: 4px; padding: 1px 6px; margin-left: 6px; vertical-align: middle; }
.cc-toggle { position: relative; width: 40px; height: 22px; flex-shrink: 0; margin-top: 2px; }
.cc-toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.cc-toggle-track { position: absolute; cursor: pointer; inset: 0; background: var(--bg-raised); border: 1px solid var(--border); border-radius: 12px; transition: background .15s, border-color .15s; }
.cc-toggle-track::after { content: ''; position: absolute; left: 3px; top: 50%; transform: translateY(-50%); width: 14px; height: 14px; background: var(--text-muted); border-radius: 50%; transition: left .15s, background .15s; }
.cc-toggle input:checked + .cc-toggle-track { background: var(--accent); border-color: var(--accent); }
.cc-toggle input:checked + .cc-toggle-track::after { left: 21px; background: #fff; }
.cc-toggle input:disabled + .cc-toggle-track { cursor: not-allowed; opacity: .55; }
.cc-modal-footer { display: flex; gap: 8px; justify-content: flex-end; margin-top: 24px; flex-wrap: wrap; }
@media (max-width: 600px) {
  #cookie-banner { padding: 14px 16px; }
  .cc-actions { width: 100%; }
  .cc-actions .btn { flex: 1; justify-content: center; }
  .cc-modal-footer { flex-direction: column-reverse; }
  .cc-modal-footer .btn { width: 100%; justify-content: center; }
}

/* ── 404 page ────────────────────────────────────────────────────────────── */
.nf-wrap  { display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; padding: 80px 24px 64px; gap: 0; }
.nf-code  { font-size: clamp(80px, 18vw, 160px); font-weight: 900; letter-spacing: -0.04em; line-height: 1; color: var(--text-primary); font-variant-numeric: tabular-nums; background: repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(255,255,255,.015) 2px, rgba(255,255,255,.015) 4px); -webkit-background-clip: text; background-clip: text; margin-bottom: 8px; user-select: none; }
.nf-icon  { font-size: 48px; margin-bottom: 20px; animation: nf-float 3s ease-in-out infinite; }
@keyframes nf-float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
.nf-title { font-size: clamp(22px, 4vw, 32px); font-weight: 800; color: var(--text-primary); margin-bottom: 12px; letter-spacing: -0.02em; }
.nf-sub   { font-size: 15px; color: var(--text-secondary); line-height: 1.6; max-width: 420px; margin-bottom: 36px; }
.nf-search { display: flex; gap: 8px; width: 100%; max-width: 420px; margin-bottom: 48px; }
.nf-search-input { flex: 1; height: 42px; padding: 0 14px; background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--r-1); color: var(--text-primary); font-size: 14px; outline: none; transition: border-color .15s; }
.nf-search-input::placeholder { color: var(--text-muted); }
.nf-search-input:focus { border-color: var(--accent); }
.nf-search-btn { height: 42px; padding: 0 18px; background: var(--accent); color: var(--text-inverse); border: none; border-radius: var(--r-1); font-size: 13px; font-weight: 600; cursor: pointer; transition: opacity .15s; white-space: nowrap; }
.nf-search-btn:hover { opacity: .88; }
.nf-or { font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: .08em; color: var(--text-muted); margin-bottom: 28px; display: flex; align-items: center; gap: 12px; width: 100%; max-width: 420px; }
.nf-or::before, .nf-or::after { content: ''; flex: 1; height: 1px; background: var(--border-subtle); }
.nf-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; width: 100%; max-width: 540px; margin-bottom: 48px; }
.nf-card  { display: flex; flex-direction: column; align-items: center; gap: 8px; padding: 20px 12px 18px; background: var(--bg-card); border: 1px solid var(--border-subtle); border-radius: var(--r-2); text-decoration: none; color: var(--text-primary); font-size: 13px; font-weight: 600; transition: border-color .15s, background .15s, transform .15s; }
.nf-card:hover { border-color: var(--border); background: var(--bg-raised); transform: translateY(-2px); }
.nf-card-icon { font-size: 24px; line-height: 1; }
.nf-home  { font-size: 13px; color: var(--text-muted); }
.nf-home a { color: var(--accent); text-decoration: none; font-weight: 600; }
.nf-home a:hover { text-decoration: underline; }
@media (max-width: 480px) {
  .nf-wrap  { padding: 60px 20px 48px; }
  .nf-cards { grid-template-columns: 1fr 1fr; max-width: 320px; }
  .nf-cards .nf-card:last-child { grid-column: 1 / -1; }
  .nf-search { max-width: 100%; }
  .nf-or     { max-width: 100%; }
}

/* ── Additional component/page utilities ────────────────────────────────── */
.spec-section-grid     { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.link-accent           { color: var(--accent); text-decoration: none; }
.items-center          { align-items: center; }
.auth-gate-title       { font-size: 17px; font-weight: 700; }
.auth-gate-desc        { font-size: 13px; color: var(--text-muted); max-width: 320px; text-align: center; }
.bldr-topbar-left      { flex: 1; min-width: 0; }
.bldr-bs-name          { display: block; font-size: 20px; font-weight: 800; margin: 4px 0 0; background: none; border: none; border-bottom: 2px solid transparent; outline: none; color: var(--text-primary); padding: 2px 0; transition: border-color .15s; width: 100%; max-width: 420px; }
.bldr-bs-name:focus    { border-bottom-color: var(--accent); }
.db-error-text         { color: var(--error); font-size: 13px; margin-bottom: 12px; }

/* ============================================================
   Prose — markdown-rendered content
   ============================================================ */
.prose { font-size: var(--text-sm); color: var(--text-secondary); line-height: var(--lh-relaxed); }

.prose h1 { font-size: var(--text-2xl); font-weight: var(--fw-black); color: var(--text-primary); margin: 2.5em 0 0.8em; padding-bottom: 0.3em; border-bottom: 1px solid var(--border-subtle); }
.prose h2 { font-size: var(--text-xl);  font-weight: var(--fw-bold);  color: var(--text-primary); margin: 2em 0 0.6em; padding-bottom: 0.25em; border-bottom: 1px solid var(--border-subtle); }
.prose h3 { font-size: var(--text-lg);  font-weight: var(--fw-bold);  color: var(--text-primary); margin: 1.6em 0 0.5em; }
.prose h4 { font-size: var(--text-md);  font-weight: var(--fw-semibold); color: var(--text-primary); margin: 1.4em 0 0.4em; }
.prose h1:first-child { margin-top: 0; }

.prose p { margin: 0 0 1em; }

.prose a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
.prose a:hover { color: var(--accent-dim); }

.prose strong { color: var(--text-primary); font-weight: var(--fw-semibold); }

.prose ul, .prose ol { margin: 0 0 1em; padding-left: 1.8em; }
.prose li { margin-bottom: 0.35em; }
.prose li > ul, .prose li > ol { margin: 0.35em 0 0; }

.prose blockquote {
  margin: 0 0 1em;
  padding: 0.75em 1em;
  border-left: 3px solid var(--border-strong);
  background: var(--bg-card);
  border-radius: 0 var(--r-1) var(--r-1) 0;
  color: var(--text-secondary);
}
.prose blockquote p:last-child { margin-bottom: 0; }

.prose code {
  font-family: var(--font-mono, "SF Mono", "Cascadia Code", "Fira Code", monospace);
  font-size: 0.88em;
  background: var(--bg-card);
  padding: 0.15em 0.4em;
  border-radius: var(--r-1);
  color: var(--text-primary);
}

.prose pre {
  margin: 0 0 1em;
  padding: 1em;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-2);
  overflow-x: auto;
  font-size: 0.85em;
  line-height: 1.6;
}
.prose pre code { background: none; padding: 0; border-radius: 0; font-size: inherit; }

/* ── Table: wrapper for horizontal scroll ── */
.prose-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 0 0 1.5em;
  border: 1px solid var(--border);
  border-radius: var(--r-2);
  background: var(--bg-surface);
}
.prose table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88em;
  margin: 0;
}
/* ── Header ── */
.prose th {
  text-align: left;
  padding: 0.7em 1em;
  font-weight: var(--fw-bold);
  font-size: 0.8em;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  background: var(--bg-card);
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
/* ── Cells ── */
.prose td {
  padding: 0.65em 1em;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
  color: var(--text-secondary);
}
/* Zebra striping */
.prose tr:nth-child(even) td { background: var(--accent-muted); }
/* Hover state */
.prose tbody tr { transition: background 0.1s ease; }
.prose tbody tr:hover td { background: var(--bg-card); }
/* Clean last row */
.prose tr:last-child td { border-bottom: none; }
/* First column emphasis */
.prose td:first-child { color: var(--text-primary); font-weight: var(--fw-medium, 500); }
/* Fallback: unwrapped tables still get border */
.prose > table { border: 1px solid var(--border); border-radius: var(--r-2); overflow: hidden; }

.prose hr {
  border: none;
  border-top: 1px solid var(--border-subtle);
  margin: 2em 0;
}

.prose img { max-width: 100%; border-radius: var(--r-2); }

/* Checkbox-style list items (rendered from [x] / [ ]) */
.prose li { list-style-position: outside; }

/* Back link above content */
.prose-back {
  display: inline-block;
  margin-top: 0.75em;
  font-size: var(--text-sm);
  color: var(--text-muted);
  text-decoration: none;
}
.prose-back:hover { color: var(--accent); }

/* Go to top button (product design docs) */
.go-to-top {
  position: fixed;
  bottom: var(--sp-6);
  right: var(--sp-6);
  width: 44px;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r-full);
  box-shadow: var(--shadow-md);
  color: var(--text-primary);
  font-size: var(--text-lg);
  line-height: 1;
  cursor: pointer;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, background 0.15s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.go-to-top.visible { opacity: 1; pointer-events: auto; }
.go-to-top:hover { background: var(--bg-raised); }
.go-to-top:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }