/* portal/tokens/design-system.css */
/* ============================================================
 * ECU Admin Panel — Design System Tokens & Primitives
 * ------------------------------------------------------------
 * Canonical reference: docs/admin-design-system/STYLE.md
 * Source of truth: ecutuningportal.com/httpdocs (Next.js admin)
 *
 * DO NOT edit tokens without updating STYLE.md.
 * DO NOT use rounded-* or drop shadows in admin surfaces.
 * ============================================================ */

/* PHP portal: font stacks (Next.js uses next/font on layout) */
.admin-surface {
  --font-inter: 'Inter', 'Nunito', system-ui, sans-serif;
  --font-chakra-petch: 'Chakra Petch', 'Rajdhani', system-ui, sans-serif;
  --font-jetbrains-mono: 'JetBrains Mono', ui-monospace, monospace;
  /* ────────────────────────────────────────────
   * 1. Brand navy surface ladder (dark-mode-first)
   * ──────────────────────────────────────────── */
  --brand-black:    #060a10;
  --brand-dark:     #0a111a;
  --brand-panel:    #0e1724;

  /* Legacy aliases — admin component'leri tarihten beri --bg-0/1/2 kullaniyor
   * (Drawer.tsx, Modal.tsx, CustomerNotesDrawer, OrderRefundButton vb. 30+ yer).
   * Bu degiskenler hic tanimli degildi → transparent rgba(0,0,0,0) cozumleniyor,
   * drawer/modal arka plani saydam goruluyordu. brand-* surface ladder'a alias:
   *   --bg-0 = derin zemin (input/altpanel)
   *   --bg-1 = kart/drawer/modal zemin (en yaygin)
   *   --bg-2 = orta katman (hover/secili) */
  --bg-0: var(--brand-black);
  --bg-1: var(--brand-panel);
  --bg-2: var(--brand-dark);

  /* Signal colors */
  --brand-red:          #e8192c;
  --brand-red-dark:     #c41520;
  --brand-red-bright:   #ff3a4f;
  --brand-teal:         #00c8a0;
  --brand-teal-bright:  #22ffdc;
  --brand-amber:        #f5a623;
  --brand-amber-bright: #ffc761;
  --brand-blue:         #4499ff;
  --brand-blue-bright:  #78b6ff;
  --brand-purple:       #8a5adc;
  --brand-purple-bright:#c69aff;

  /* Foreground ladder */
  --fg-1: #e6f2ff;
  --fg-2: #c0d8ec;
  --fg-3: #7fa4c4;
  --fg-4: #6987a5;  /* WCAG AA: 4.81:1 contrast on --brand-panel #0e1724 (eski #4e6880 sadece 3.10:1 idi) */

  /* Borders — translucent white */
  --border-white-4:  rgba(255, 255, 255, 0.04);
  --border-hairline: rgba(255, 255, 255, 0.055);
  --border-subtle:   rgba(255, 255, 255, 0.10);
  --border-strong:   rgba(255, 255, 255, 0.20);

  /* Grid pattern */
  --grid-line:    #1a2a3d;
  --grid-line-sm: #0f1d2e;

  /* Shadows & glows */
  --shadow-card:       0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-card-inset: inset 0 1px 0 rgba(255, 255, 255, 0.04);
  --shadow-cta:        0 10px 40px -10px rgba(232, 25, 44, 0.5);
  --shadow-card-hover: 0 0 25px rgba(232, 25, 44, 0.15), 0 4px 20px rgba(0, 0, 0, 0.4);

  --glow-red-text:   0 0 10px rgba(232, 25, 44, 0.5);
  --glow-red-box:    0 0 20px rgba(232, 25, 44, 0.15);
  --glow-teal-text:  0 0 20px rgba(0, 200, 160, 0.3);
  --glow-teal-box:   0 0 30px rgba(0, 200, 160, 0.10);

  /* Clip paths */
  --clip-card:     polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  --clip-card-sm:  polygon(0 0, 100% 0, 100% calc(100% - 10px), calc(100% - 10px) 100%, 0 100%);
  --clip-glass:    polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  --clip-button:   polygon(8px 0, 100% 0, 100% calc(100% - 8px), calc(100% - 8px) 100%, 0 100%, 0 8px);
  --clip-button-sm:polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);
  --clip-badge:    polygon(5px 0, 100% 0, calc(100% - 5px) 100%, 0 100%);
  --clip-badge-6:  polygon(6px 0, 100% 0, 100% calc(100% - 6px), calc(100% - 6px) 100%, 0 100%, 0 6px);

  /* Motion */
  --dur-card:   220ms;
  --dur-button: 300ms;
  --dur-color:  200ms;
  --ease-snap:  cubic-bezier(0.4, 0, 0.2, 1);

  /* Overlay stack — fixed topbar 1070, search flyout 1100; modals must paint above */
  --z-portal-topbar: 1070;
  --z-portal-sidebar: 1060;
  --z-portal-modal-backdrop: 11100;
  --z-portal-modal: 11110;
}

body.rs-panel {
  --z-portal-topbar: 1070;
  --z-portal-sidebar: 1060;
  --z-portal-modal-backdrop: 11100;
  --z-portal-modal: 11110;
}

/* ============================================================
 * 2. Base typography inside admin surface
 * ============================================================ */
.admin-surface {
  background: var(--brand-black);
  color: var(--fg-2);
  font-family: var(--font-inter), 'Inter', system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.6;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
}

.admin-surface .font-tech {
  font-family: var(--font-chakra-petch), 'Chakra Petch', system-ui, sans-serif;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.admin-surface .font-mono {
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', ui-monospace, monospace;
  letter-spacing: 0;
}

/* Foreground utility classes */
.admin-surface .t-1      { color: var(--fg-1); }
.admin-surface .t-2      { color: var(--fg-2); }
.admin-surface .t-3      { color: var(--fg-3); }
.admin-surface .t-4      { color: var(--fg-4); }
.admin-surface .t-red    { color: var(--brand-red); }
.admin-surface .t-teal   { color: var(--brand-teal); }
.admin-surface .t-amber  { color: var(--brand-amber); }
.admin-surface .t-blue   { color: var(--brand-blue); }
.admin-surface .t-purple { color: var(--brand-purple); }

/* ============================================================
 * 3. // PREFIX pattern
 * ============================================================ */
.admin-surface .prefix {
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  color: var(--fg-4);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  display: inline-flex;
  align-items: center;
}
.admin-surface .prefix::before {
  content: "// ";
  color: var(--brand-red);
}

/* ============================================================
 * 4. Grid background layers
 * ============================================================ */
.admin-surface .bg-grid {
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.025) 1px, transparent 1px);
  background-size: 40px 40px;
}
.admin-surface .bg-grid-dense {
  background-image:
    linear-gradient(to right, var(--grid-line-sm) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line-sm) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* ============================================================
 * 5. Clip-path utility classes
 * ============================================================ */
.admin-surface .clip-card    { clip-path: var(--clip-card); }
.admin-surface .clip-card-sm { clip-path: var(--clip-card-sm); }
.admin-surface .clip-glass   { clip-path: var(--clip-glass); }
.admin-surface .clip-btn     { clip-path: var(--clip-button); }
.admin-surface .clip-btn-sm  { clip-path: var(--clip-button-sm); }
.admin-surface .clip-badge   { clip-path: var(--clip-badge); }
.admin-surface .clip-badge-6 { clip-path: var(--clip-badge-6); }

/* ============================================================
 * 6. TECH-CARD — signature card with red top border + 14px cut
 * ============================================================ */
.admin-surface .tech-card {
  position: relative;
  background: var(--brand-dark);
  border: 1px solid var(--border-hairline);
  border-top: 2px solid var(--brand-red);
  box-shadow: var(--shadow-card), var(--shadow-card-inset);
  clip-path: var(--clip-card);
  transform: none !important;
  transition: border-color var(--dur-card) var(--ease-snap),
              box-shadow var(--dur-card) var(--ease-snap);
}
.admin-surface .tech-card:hover { transform: none !important; }
.admin-surface .tech-card--teal    { border-top-color: var(--brand-teal); }
.admin-surface .tech-card--amber   { border-top-color: var(--brand-amber); }
.admin-surface .tech-card--blue    { border-top-color: var(--brand-blue); }
.admin-surface .tech-card--purple  { border-top-color: var(--brand-purple); }
.admin-surface .tech-card--neutral { border-top-color: var(--fg-4); }

.admin-surface .tech-card--hover:hover,
.admin-surface .tech-card--interactive:hover {
  border-color: rgba(232, 25, 44, 0.35);
  box-shadow: var(--shadow-card-hover);
}

/* Diagonal tick in bottom-right corner */
.admin-surface .tech-card {
  --tech-card-tick: var(--brand-red);
}
.admin-surface .tech-card--teal    { --tech-card-tick: var(--brand-teal); }
.admin-surface .tech-card--amber   { --tech-card-tick: var(--brand-amber); }
.admin-surface .tech-card--blue    { --tech-card-tick: var(--brand-blue); }
.admin-surface .tech-card--purple  { --tech-card-tick: var(--brand-purple); }
.admin-surface .tech-card--neutral { --tech-card-tick: var(--fg-4); }

.admin-surface .tech-card__tick {
  position: absolute;
  right: 8px;
  bottom: 8px;
  width: 14px;
  height: 14px;
  pointer-events: none;
}
.admin-surface .tech-card__tick::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    transparent 0 45%,
    var(--tech-card-tick, var(--brand-red)) 45% 55%,
    transparent 55% 100%
  );
  opacity: 0.7;
}

/* ============================================================
 * 7. INDUSTRIAL BUTTON — chamfered wrapper + inner
 * ============================================================ */
.admin-surface .btn-wrap {
  display: inline-block;
  padding: 1px;
  cursor: pointer;
  clip-path: var(--clip-button);
  transition: background var(--dur-button) var(--ease-snap),
              box-shadow var(--dur-button) var(--ease-snap),
              filter var(--dur-button) var(--ease-snap);
  border: 0;
  background: transparent;
}
.admin-surface .btn-wrap .btn-inner {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-chakra-petch), 'Chakra Petch', system-ui, sans-serif;
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 10px 18px;
  color: var(--fg-1);
  clip-path: var(--clip-button);
  transition: background var(--dur-button) var(--ease-snap),
              color var(--dur-button) var(--ease-snap);
  line-height: 1;
  white-space: nowrap;
}
.admin-surface .btn-wrap.btn--sm .btn-inner  { padding: 7px 13px; font-size: 11px; letter-spacing: 0.10em; }
.admin-surface .btn-wrap.btn--xs .btn-inner  { padding: 4px 10px; font-size: 10px; letter-spacing: 0.08em; }

/* Primary */
.admin-surface .btn-wrap.btn--primary              { background: var(--brand-red-bright); box-shadow: var(--shadow-cta); }
.admin-surface .btn-wrap.btn--primary .btn-inner   { background: var(--brand-red); color: #fff; }
.admin-surface .btn-wrap.btn--primary:hover        { filter: brightness(1.08); }
.admin-surface .btn-wrap.btn--primary:hover .btn-inner { background: var(--brand-red-dark); }

/* Ghost */
.admin-surface .btn-wrap.btn--ghost            { background: var(--border-subtle); }
.admin-surface .btn-wrap.btn--ghost .btn-inner { background: var(--brand-black); color: var(--fg-1); }
.admin-surface .btn-wrap.btn--ghost:hover      { background: var(--brand-red); }
.admin-surface .btn-wrap.btn--ghost:hover .btn-inner { color: var(--brand-red); }

/* Teal */
.admin-surface .btn-wrap.btn--teal            { background: rgba(0, 200, 160, 0.55); }
.admin-surface .btn-wrap.btn--teal .btn-inner { background: #07110e; color: var(--brand-teal); }
.admin-surface .btn-wrap.btn--teal:hover      { filter: brightness(1.1); }

/* Danger (destructive action) */
.admin-surface .btn-wrap.btn--danger            { background: rgba(232, 25, 44, 0.55); }
.admin-surface .btn-wrap.btn--danger .btn-inner { background: var(--brand-dark); color: var(--brand-red); }
.admin-surface .btn-wrap.btn--danger:hover      { background: var(--brand-red); }
.admin-surface .btn-wrap.btn--danger:hover .btn-inner { background: var(--brand-red-dark); color: #fff; }

/* Disabled */
.admin-surface .btn-wrap.btn--disabled,
.admin-surface .btn-wrap:disabled            { background: rgba(255, 255, 255, 0.08); cursor: not-allowed; }
.admin-surface .btn-wrap.btn--disabled .btn-inner,
.admin-surface .btn-wrap:disabled .btn-inner { background: #0d1624; color: var(--fg-4); }

/* Icon button — square-ish, ghost-like */
.admin-surface .btn-wrap.btn--icon .btn-inner { padding: 7px 10px; }

/* Full-width button — for auth forms */
.admin-surface .btn-wrap.btn--full { display: block; width: 100%; }
.admin-surface .btn-wrap.btn--full .btn-inner { width: 100%; justify-content: center; }

/* ============================================================
 * 8. INDUSTRIAL BADGE — wrapper + inner, parallelogram-ish
 * ============================================================ */
.admin-surface .badge-wrap {
  display: inline-block;
  padding: 1.5px;
  clip-path: var(--clip-badge-6);
}
.admin-surface .badge-wrap .badge-inner {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 3px 10px;
  clip-path: var(--clip-badge-6);
  line-height: 1.4;
  white-space: nowrap;
}
.admin-surface .badge-wrap .badge-inner .badge-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  flex-shrink: 0;
  background: currentColor;
}

.admin-surface .badge-wrap--red    { background: var(--brand-red-bright); box-shadow: 0 4px 14px -4px rgba(232, 25, 44, 0.5); }
.admin-surface .badge-wrap--red .badge-inner { background: var(--brand-red); color: #fff; }

.admin-surface .badge-wrap--teal    { background: var(--brand-teal-bright); box-shadow: 0 4px 14px -4px rgba(0, 200, 160, 0.4); }
.admin-surface .badge-wrap--teal .badge-inner { background: var(--brand-teal); color: #04201a; }
.admin-surface .badge-wrap--teal .badge-inner .badge-dot { background: #04201a; }

.admin-surface .badge-wrap--amber    { background: var(--brand-amber-bright); box-shadow: 0 4px 14px -4px rgba(245, 166, 35, 0.4); }
.admin-surface .badge-wrap--amber .badge-inner { background: var(--brand-amber); color: #2a1a00; }

.admin-surface .badge-wrap--blue    { background: var(--brand-blue-bright); }
.admin-surface .badge-wrap--blue .badge-inner { background: var(--brand-blue); color: #02132a; }

.admin-surface .badge-wrap--purple    { background: var(--brand-purple-bright); }
.admin-surface .badge-wrap--purple .badge-inner { background: var(--brand-purple); color: #fff; }

.admin-surface .badge-wrap--neutral    { background: var(--fg-2); }
.admin-surface .badge-wrap--neutral .badge-inner { background: #4a5e7a; color: #fff; }

/* ============================================================
 * 9. CHAMFERED INPUT — rest / focus / error
 * ============================================================ */
.admin-surface .field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.admin-surface .field-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  color: var(--fg-3);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.admin-surface .field-label .field-req { color: var(--brand-red); }

.admin-surface .input-wrap {
  padding: 1px;
  clip-path: var(--clip-button);
  background: var(--border-subtle);
  transition: background var(--dur-color) var(--ease-snap),
              box-shadow var(--dur-color) var(--ease-snap);
}
.admin-surface .input-wrap:hover { background: var(--border-strong); }
.admin-surface .input-wrap:focus-within { background: var(--brand-red); box-shadow: 0 0 0 3px rgba(232, 25, 44, 0.18); }
.admin-surface .input-wrap--error { background: rgba(232, 25, 44, 0.55); }
.admin-surface .input-wrap--ok    { background: rgba(0, 200, 160, 0.45); }

.admin-surface .input-inner {
  background: #0d1624;
  padding: 9px 13px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-inter), 'Inter', sans-serif;
  font-size: 13px;
  font-weight: 500;
  color: var(--fg-1);
  clip-path: var(--clip-button);
  min-height: 36px;
  width: 100%;
}
.admin-surface .input-wrap:focus-within .input-inner { background: #100a0d; }

.admin-surface .input-inner input,
.admin-surface .input-inner textarea,
.admin-surface .input-inner select {
  background: transparent;
  border: 0;
  outline: 0;
  color: inherit;
  font: inherit;
  width: 100%;
  padding: 0;
}
.admin-surface .input-inner input::placeholder,
.admin-surface .input-inner textarea::placeholder {
  color: var(--fg-4);
  font-weight: 400;
}

.admin-surface .field-helper {
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  display: flex;
  align-items: center;
  gap: 6px;
}
.admin-surface .field-helper--ok  { color: var(--brand-teal); }
.admin-surface .field-helper--err { color: var(--brand-red); }
.admin-surface .field-helper--neutral { color: var(--fg-4); }
.admin-surface .field-helper::before {
  content: "";
  width: 10px;
  height: 1px;
  background: currentColor;
  display: inline-block;
}

/* ============================================================
 * 10. Nav-active state (sidebar)
 * ============================================================ */
.admin-surface .nav-active {
  background: linear-gradient(90deg, rgba(232, 25, 44, 0.12), transparent 70%);
  color: var(--fg-1);
  position: relative;
}
.admin-surface .nav-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 2px;
  background: var(--brand-red);
  box-shadow: 0 0 10px rgba(232, 25, 44, 0.6);
}

/* ============================================================
 * 11. Tag (inverted badge, section indicator)
 * ============================================================ */
.admin-surface .tag-wrap {
  display: inline-block;
  padding: 1.5px;
  clip-path: var(--clip-badge-6);
}
.admin-surface .tag-wrap .tag-inner {
  display: inline-flex;
  padding: 4px 10px;
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
  font-weight: 600;
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  background: #0d1624;
  clip-path: var(--clip-badge-6);
}
.admin-surface .tag-wrap--red    { background: var(--brand-red-bright); }
.admin-surface .tag-wrap--red .tag-inner    { color: #ff7c88; }
.admin-surface .tag-wrap--teal   { background: var(--brand-teal-bright); }
.admin-surface .tag-wrap--teal .tag-inner   { color: var(--brand-teal); }
.admin-surface .tag-wrap--amber  { background: var(--brand-amber-bright); }
.admin-surface .tag-wrap--amber .tag-inner  { color: #ffcf7a; }

/* ============================================================
 * 12. Launch-total amber chip (for "New", "Beta", counters)
 * ============================================================ */
.admin-surface .launch-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  border: 1px solid rgba(245, 166, 35, 0.5);
  background: rgba(245, 166, 35, 0.08);
  color: var(--brand-amber);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.625rem;
  border-radius: 2px;
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
}

/* ============================================================
 * 13. Table base (inside tech-card, padding:none)
 * ============================================================ */
.admin-surface .admin-table { width: 100%; font-size: 12px; border-collapse: collapse; }
.admin-surface .admin-table thead tr {
  background: var(--brand-panel);
  border-bottom: 1px solid var(--border-hairline);
}
.admin-surface .admin-table thead th {
  text-align: left;
  padding: 10px 16px;
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-4);
}
.admin-surface .admin-table tbody tr {
  border-bottom: 1px solid var(--border-hairline);
  transition: background var(--dur-color) var(--ease-snap);
}
.admin-surface .admin-table tbody tr:hover { background: rgba(255, 255, 255, 0.02); }
.admin-surface .admin-table tbody tr:last-child { border-bottom: none; }
.admin-surface .admin-table tbody td { padding: 12px 16px; vertical-align: middle; }

/* ============================================================
 * 14. Filter tab group (chamfered chain)
 * ============================================================ */
.admin-surface .filter-tabs {
  display: inline-flex;
  background: var(--brand-panel);
  border: 1px solid var(--border-hairline);
  clip-path: var(--clip-button-sm);
}
.admin-surface .filter-tabs .filter-tab {
  font-family: var(--font-chakra-petch), 'Chakra Petch', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 8px 16px;
  color: var(--fg-3);
  background: transparent;
  border: 0;
  cursor: pointer;
  transition: background var(--dur-color) var(--ease-snap), color var(--dur-color) var(--ease-snap);
}
.admin-surface .filter-tabs .filter-tab + .filter-tab { border-left: 1px solid var(--border-hairline); }
.admin-surface .filter-tabs .filter-tab:hover { background: rgba(255, 255, 255, 0.04); }
.admin-surface .filter-tabs .filter-tab.is-active {
  background: var(--brand-red);
  color: #fff;
}

/* ============================================================
 * 15. Stat bar + server-safe hover utilities
 * (Server components cannot pass event handlers, so we use pure CSS.)
 * ============================================================ */
.admin-surface .stat-bar {
  background: rgba(232, 25, 44, 0.55);
  transition: background var(--dur-color) var(--ease-snap);
}
.admin-surface .stat-bar:hover {
  background: var(--brand-red);
  box-shadow: 0 0 12px rgba(232, 25, 44, 0.5);
}

/* Row hover — use on list rows in server components */
.admin-surface .row-hover {
  transition: background var(--dur-color) var(--ease-snap);
}
.admin-surface .row-hover:hover {
  background: rgba(255, 255, 255, 0.02);
}

/* Icon button hover (red tint) */
.admin-surface .hover-icon-red {
  transition: color var(--dur-color) var(--ease-snap),
              background var(--dur-color) var(--ease-snap);
}
.admin-surface .hover-icon-red:hover {
  color: var(--brand-red);
  background: rgba(232, 25, 44, 0.08);
}

/* ============================================================
 * 16. Sidebar — scroll, collapsed buttons, width transitions
 * ============================================================ */
.admin-surface .admin-sidebar {
  transition: width var(--dur-card) var(--ease-snap);
}

/* Nav scroll container */
.admin-surface .admin-sidebar-nav {
  overflow-y: auto;
  overflow-x: hidden;
  scrollbar-gutter: stable;
}

/* Nav item base (shared between expanded + collapsed) */
.admin-surface .sidebar-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 20px;
  font-size: 12px;
  color: var(--fg-3);
  transition: background var(--dur-color) var(--ease-snap),
              color var(--dur-color) var(--ease-snap);
  position: relative;
}
.admin-surface .sidebar-item:hover {
  background: rgba(255, 255, 255, 0.025);
  color: var(--fg-1);
}
.admin-surface .sidebar-item.is-active {
  background: linear-gradient(90deg, rgba(232, 25, 44, 0.12), transparent 70%);
  color: var(--fg-1);
  font-weight: 600;
}
.admin-surface .sidebar-item.is-active::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20%;
  bottom: 20%;
  width: 2px;
  background: var(--brand-red);
  box-shadow: 0 0 10px rgba(232, 25, 44, 0.6);
}

/* Collapsed state — icon-only, perfectly centered */
.admin-surface .admin-sidebar.is-collapsed .sidebar-item {
  justify-content: center;
  padding: 10px 0;
  width: 64px;
}
.admin-surface .admin-sidebar.is-collapsed .sidebar-item.is-active {
  background: rgba(232, 25, 44, 0.12);
}
.admin-surface .admin-sidebar.is-collapsed .sidebar-item.is-active::before {
  left: 0;
  top: 15%;
  bottom: 15%;
}
.admin-surface .admin-sidebar.is-collapsed .sidebar-label,
.admin-surface .admin-sidebar.is-collapsed .sidebar-badge,
.admin-surface .admin-sidebar.is-collapsed .prefix-group {
  display: none;
}

/* Collapsed group separator (thin horizontal line where text headers were) */
.admin-surface .admin-sidebar.is-collapsed .sidebar-group-sep {
  display: block;
  height: 1px;
  margin: 12px 14px 8px;
  background: var(--border-hairline);
}
.admin-surface .admin-sidebar:not(.is-collapsed) .sidebar-group-sep {
  display: none;
}

/* Tooltip for collapsed state */
.admin-surface .sidebar-item .sidebar-tooltip {
  position: absolute;
  left: calc(100% + 8px);
  top: 50%;
  transform: translateY(-50%);
  padding: 6px 10px;
  background: var(--brand-panel);
  border: 1px solid var(--border-subtle);
  color: var(--fg-1);
  font-family: var(--font-chakra-petch), 'Chakra Petch', sans-serif;
  font-weight: 700;
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-color) var(--ease-snap);
  z-index: 100;
  clip-path: var(--clip-button-sm);
}
.admin-surface .sidebar-item .sidebar-tooltip::before {
  content: "";
  position: absolute;
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  border: 4px solid transparent;
  border-right-color: var(--border-subtle);
}
.admin-surface .admin-sidebar.is-collapsed .sidebar-item:hover .sidebar-tooltip {
  opacity: 1;
}

/* Collapse toggle button — top of sidebar */
.admin-surface .sidebar-collapse-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--brand-panel);
  border: 1px solid var(--border-hairline);
  color: var(--fg-3);
  cursor: pointer;
  transition: all var(--dur-color) var(--ease-snap);
  clip-path: var(--clip-button-sm);
}
.admin-surface .sidebar-collapse-btn:hover {
  border-color: rgba(232, 25, 44, 0.5);
  color: var(--brand-red);
  background: rgba(232, 25, 44, 0.08);
}

/* Sidebar footer user card transition */
.admin-surface .admin-sidebar.is-collapsed .sidebar-user-info,
.admin-surface .admin-sidebar.is-collapsed .sidebar-logout-label {
  display: none;
}
.admin-surface .admin-sidebar.is-collapsed .sidebar-user-card,
.admin-surface .admin-sidebar.is-collapsed .sidebar-logout {
  justify-content: center;
  padding: 10px 0;
}

/* Logo swap — expanded shows full ecu.svg, collapsed shows favicon */
.admin-surface .admin-sidebar .logo-expanded { display: block; }
.admin-surface .admin-sidebar .logo-collapsed { display: none; }
.admin-surface .admin-sidebar.is-collapsed .logo-expanded { display: none; }
.admin-surface .admin-sidebar.is-collapsed .logo-collapsed { display: block; }

/* Prefix group title (sidebar section label) */
.admin-surface .prefix-group {
  font-family: var(--font-jetbrains-mono), 'JetBrains Mono', monospace;
  font-size: 9px;
  font-weight: 700;
  color: var(--fg-4);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 14px 20px 6px;
}
.admin-surface .prefix-group::before {
  content: "// ";
  color: var(--brand-red);
}

/* Sidebar badge (count in nav item) */
.admin-surface .sidebar-badge {
  margin-left: auto;
  font-family: var(--font-jetbrains-mono), monospace;
  font-size: 9px;
  font-weight: 700;
  padding: 1px 6px;
  letter-spacing: 0;
  line-height: 1.5;
  background: var(--brand-panel);
  color: var(--fg-2);
  clip-path: var(--clip-badge-6);
}
.admin-surface .sidebar-badge--red    { background: rgba(232, 25, 44, 0.15); color: var(--brand-red); }
.admin-surface .sidebar-badge--teal   { background: rgba(0, 200, 160, 0.15); color: var(--brand-teal); }
.admin-surface .sidebar-badge--amber  { background: rgba(245, 166, 35, 0.15); color: var(--brand-amber); }

/* ============================================================
 * 17. Animations
 * ============================================================ */
@keyframes admin-fade-in-up {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.admin-surface .animate-fade-in-up { animation: admin-fade-in-up 0.4s var(--ease-snap); }

@media (prefers-reduced-motion: reduce) {
  .admin-surface *,
  .admin-surface *::before,
  .admin-surface *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ── Light theme — portal token ladder (bridge + lrail consume these) ── */
html[data-theme="light"] .admin-surface {
  --brand-black:    #d0dce8;
  --brand-dark:     #eaf1f8;
  --brand-panel:    #ffffff;
  --bg-0: var(--brand-black);
  --bg-1: var(--brand-panel);
  --bg-2: var(--brand-dark);
  --fg-1: #09182a;
  --fg-2: #1a3354;
  --fg-3: #4e6880;
  --fg-4: #6b8aaa;
  --border-hairline: rgba(10, 40, 80, 0.08);
  --border-subtle:   rgba(10, 40, 80, 0.12);
  --border-strong:   rgba(10, 40, 80, 0.22);
  --border-white-4:  rgba(10, 40, 80, 0.04);
  --grid-line:       rgba(10, 40, 80, 0.06);
  --grid-line-sm:    rgba(10, 40, 80, 0.04);
  --shadow-card:       0 4px 20px rgba(10, 40, 80, 0.08);
  --shadow-card-inset: inset 0 1px 0 rgba(255, 255, 255, 0.65);
  --shadow-card-hover: 0 4px 24px rgba(10, 40, 80, 0.12);
}

/* Ghost buttons — light surfaces */
html[data-theme="light"] .admin-surface .btn-wrap.btn--ghost {
  background: var(--border-subtle);
}
html[data-theme="light"] .admin-surface .btn-wrap.btn--ghost .btn-inner {
  background: var(--brand-panel);
  color: var(--fg-3);
}
html[data-theme="light"] .admin-surface .btn-wrap.btn--ghost:hover {
  background: var(--brand-red);
}
html[data-theme="light"] .admin-surface .btn-wrap.btn--ghost:hover .btn-inner {
  color: var(--brand-red);
}

html[data-theme="light"] .admin-surface .input-inner {
  background: #f5f9ff;
  color: var(--fg-2);
}

html[data-theme="light"] .admin-surface .input-wrap:focus-within .input-inner {
  background: #fff;
}