/* =============================================================================
   Konek — Shared Design Token Foundation
   -----------------------------------------------------------------------------
   ONE premium product family, TWO surfaces:
     • Portal (public, mobile, LIGHT)  — "fintech-meets-arcade": warm, trustworthy.
     • Admin  (operator, desktop, DARK) — "mission-control / premium SaaS".

   Everything here is GENERIC + variable-driven so both apps consume the same
   primitives and read like one product. See docs/ART-DIRECTION.md.

   RUNTIME THEMING (do not break):
     • Accent is injected onto :root at runtime from config.
       - Portal main.js sets  --accent  and  --accent-2
       - Admin  app.js  sets  --accent  and  --accent2   (no dash)
       We normalise BOTH spellings below into a single --accent-2 so every
       derived tint/shade flows from the operator's one brand colour.
     • Dark surface is toggled by EITHER  [data-scheme='dark']  (portal)  OR
       [data-theme='dark']  (admin). Both selectors are wired below.
   ========================================================================== */

/* --- Inter, offline-safe. local()-only chain: we never reach for the network,
   so a missing font silently falls through to the system UI stack. --- */
@font-face {
  font-family: 'InterVar';
  font-style: normal;
  font-weight: 100 900;
  font-display: swap;
  src: local('Inter var'), local('Inter'), local('Inter-Regular');
}
@font-face {
  font-family: 'InterUI';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: local('Inter'), local('Inter-Regular'), local('Helvetica Neue'), local('Arial');
}
@font-face {
  font-family: 'InterUI';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: local('Inter SemiBold'), local('Inter-SemiBold'), local('Helvetica Neue');
}
@font-face {
  font-family: 'InterUI';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: local('Inter Bold'), local('Inter-Bold'), local('Helvetica Neue');
}
@font-face {
  font-family: 'InterUI';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: local('Inter ExtraBold'), local('Inter-ExtraBold'), local('Helvetica Neue');
}

:root {
  /* =====================================================================
     1. BRAND ACCENT  — the single source of brand colour.
     --accent / --accent-2 (or --accent2) are overwritten at runtime.
     Everything accent-flavoured is DERIVED from these via color-mix so an
     operator's brand colour reskins the entire product family.
     ===================================================================== */
  --accent: #10b981;

  /* Secondary accent. Two spellings exist in the wild:
       - Portal main.js injects  --accent-2  (dashed)
       - Admin  app.js  injects  --accent2   (no dash)
     --accent-2 is our CANONICAL token; every internal derivation reads it.
     Portal sets it directly. The admin scheme block below maps the admin
     spelling onto it (--accent-2: var(--accent2)) so the operator's one
     brand pair reskins everything regardless of which app is running. */
  --accent-2: #0ea5e9;
  --accent2: #0ea5e9;

  /* On-accent ink: text/icons that sit on top of an accent fill. */
  --accent-ink: #ffffff;
  --on-accent: var(--accent-ink);

  /* Derived accent ramp (tints -> shades). color-mix; JS fallback in apps.
     Use these instead of opacity hacks so tints stay crisp on any surface. */
  --accent-50:  color-mix(in srgb, var(--accent)  6%, var(--surface, #fff));
  --accent-100: color-mix(in srgb, var(--accent) 12%, var(--surface, #fff));
  --accent-200: color-mix(in srgb, var(--accent) 24%, var(--surface, #fff));
  --accent-300: color-mix(in srgb, var(--accent) 42%, var(--surface, #fff));
  --accent-400: color-mix(in srgb, var(--accent) 70%, var(--surface, #fff));
  --accent-500: var(--accent);
  --accent-600: color-mix(in srgb, var(--accent) 82%, #000);
  --accent-700: color-mix(in srgb, var(--accent) 64%, #000);

  /* Translucent accent washes (work over any surface incl. glass). */
  --accent-soft:   color-mix(in srgb, var(--accent) 14%, transparent);
  --accent-softer: color-mix(in srgb, var(--accent)  8%, transparent);
  --accent-wash:   color-mix(in srgb, var(--accent) 18%, transparent);
  --accent-ring:   color-mix(in srgb, var(--accent) 38%, transparent);
  --accent-line:   color-mix(in srgb, var(--accent) 32%, transparent);

  /* The gradient + glow used on every hero, CTA and ring. */
  --accent-grad:  linear-gradient(135deg, var(--accent), var(--accent-2));
  --accent-grad-soft: linear-gradient(135deg, var(--accent-soft), color-mix(in srgb, var(--accent-2) 14%, transparent));
  --accent-glow:  0 12px 34px color-mix(in srgb, var(--accent) 34%, transparent);
  --accent-glow-sm: 0 6px 18px color-mix(in srgb, var(--accent) 28%, transparent);

  /* =====================================================================
     2. NEUTRAL RAMP — LIGHT (portal default).
     50 = page, 900 = ink. Semantic surface/ink aliases sit on top so app
     code never references raw ramp steps directly.
     ===================================================================== */
  --n-50:  #f6f8fc;
  --n-100: #eef2f8;
  --n-150: #e6ecf4;
  --n-200: #dde4ee;
  --n-300: #cbd5e3;
  --n-400: #94a3b8;
  --n-500: #64748b;
  --n-600: #475569;
  --n-700: #334155;
  --n-800: #1e293b;
  --n-900: #0f172a;

  /* Surfaces (light). */
  --bg: var(--n-50);
  --bg-grad-1: #eef4ff;
  --bg-grad-2: #f8fbff;
  --surface: #ffffff;
  --surface-2: var(--n-100);
  --surface-3: var(--n-150);
  --elevate: #ffffff;

  /* Glass (light): translucent panel for frosted bars / overlays. */
  --glass-bg: color-mix(in srgb, #ffffff 72%, transparent);
  --glass-bg-strong: color-mix(in srgb, #ffffff 86%, transparent);
  --glass-border: color-mix(in srgb, var(--n-900) 8%, transparent);
  --glass-blur: 16px;

  /* Ink scale (light). */
  --ink: var(--n-900);
  --ink-2: var(--n-700);
  --ink-3: var(--n-500);
  --ink-faint: var(--n-400);

  /* Lines / hairlines. */
  --line: var(--n-200);
  --line-2: var(--n-300);
  --line-strong: var(--n-400);
  --hairline: inset 0 0 0 1px color-mix(in srgb, var(--n-900) 6%, transparent);

  /* =====================================================================
     3. SEMANTIC STATUS — paired fill / soft wash / ink for chips & banners.
     ===================================================================== */
  --ok: #0ca678;
  --ok-soft:  color-mix(in srgb, var(--ok) 14%, transparent);
  --ok-ink:   color-mix(in srgb, var(--ok) 78%, #000);
  --warn: #f59e0b;
  --warn-soft: color-mix(in srgb, var(--warn) 16%, transparent);
  --warn-ink:  color-mix(in srgb, var(--warn) 72%, #000);
  --danger: #ef4444;
  --danger-soft: color-mix(in srgb, var(--danger) 14%, transparent);
  --danger-ink:  color-mix(in srgb, var(--danger) 74%, #000);
  --info: #0ea5e9;
  --info-soft: color-mix(in srgb, var(--info) 14%, transparent);
  --info-ink:  color-mix(in srgb, var(--info) 72%, #000);

  /* =====================================================================
     4. ELEVATION — layered shadow set + colored glow + crisp inset edge.
     shadow-1 (rest) .. shadow-4 (modal/lifted). Tuned for light surfaces;
     overridden for dark below.
     ===================================================================== */
  --shadow-1: 0 1px 2px rgba(15,23,42,.05), 0 1px 3px rgba(15,23,42,.07);
  --shadow-2: 0 2px 6px rgba(15,23,42,.06), 0 4px 12px rgba(15,23,42,.08);
  --shadow-3: 0 8px 24px rgba(15,23,42,.10), 0 4px 10px rgba(15,23,42,.07);
  --shadow-4: 0 24px 60px rgba(15,23,42,.18), 0 8px 22px rgba(15,23,42,.12);
  /* Back-compat aliases (existing app CSS references these names). */
  --shadow-sm: var(--shadow-1);
  --shadow-md: var(--shadow-2);
  --shadow-lg: var(--shadow-4);
  --shadow-accent: var(--accent-glow);

  /* =====================================================================
     5. RADIUS — sm .. 2xl + pill.
     ===================================================================== */
  --r-xs: 8px;
  --r-sm: 12px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 28px;
  --r-2xl: 36px;
  --r-pill: 999px;

  /* =====================================================================
     6. SPACING — 4px base ramp.
     ===================================================================== */
  --s-1: 4px;
  --s-2: 8px;
  --s-3: 12px;
  --s-4: 16px;
  --s-5: 20px;
  --s-6: 24px;
  --s-7: 32px;
  --s-8: 40px;
  --s-9: 56px;
  --s-10: 72px;

  /* =====================================================================
     7. TYPOGRAPHY — Inter; fluid modular scale via clamp; weight + tracking.
     fs-* fixed sizes kept for back-compat; t-* are the fluid display scale.
     ===================================================================== */
  --font-ui: 'InterUI', 'InterVar', system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-num: 'InterVar', 'InterUI', ui-monospace, 'SF Mono', 'Segoe UI', system-ui, sans-serif;

  /* Fixed step scale (back-compat with existing app CSS). */
  --fs-xs: 12px;
  --fs-sm: 14px;
  --fs-md: 16px;
  --fs-lg: 19px;
  --fs-xl: 24px;
  --fs-2xl: 32px;
  --fs-3xl: 44px;

  /* Fluid modular scale — preferred for new work. */
  --t-display: clamp(40px, 9vw, 64px);
  --t-h1: clamp(28px, 5.2vw, 40px);
  --t-h2: clamp(22px, 3.4vw, 28px);
  --t-h3: clamp(18px, 2.4vw, 21px);
  --t-body: clamp(15px, 1.6vw, 16px);
  --t-sm: 14px;
  --t-xs: 12px;
  --t-2xs: 11px;

  /* Weights. */
  --w-regular: 400;
  --w-medium: 500;
  --w-semibold: 600;
  --w-bold: 700;
  --w-black: 800;

  /* Tracking (letter-spacing). Tighten large display; open up tiny caps. */
  --track-tight: -0.02em;
  --track-snug: -0.01em;
  --track-normal: 0;
  --track-wide: 0.02em;
  --track-caps: 0.08em;

  --leading-tight: 1.08;
  --leading-snug: 1.25;
  --leading-normal: 1.5;

  /* =====================================================================
     8. MOTION — durations + easings. All large motion is reduced-motion gated.
     ===================================================================== */
  --dur-instant: 90ms;
  --dur-fast: 140ms;
  --dur: 240ms;
  --dur-slow: 420ms;
  --dur-slower: 720ms;
  --ease: cubic-bezier(.22, 1, .36, 1);       /* standard ease-out */
  --ease-in: cubic-bezier(.4, 0, 1, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1); /* overshoot / springy pop */

  /* =====================================================================
     9. LAYOUT.
     ===================================================================== */
  --maxw: 520px;          /* portal column */
  --maxw-wide: 1240px;    /* admin content */
  --rail-w: 248px;        /* admin nav rail */

  color-scheme: light;
}

/* Admin runs under [data-theme] and injects the NO-DASH spelling (--accent2).
   Fold it onto our canonical --accent-2 so admin's brand pair drives every
   derived tint/gradient. (Portal sets --accent-2 directly, so it's untouched.)
   Applies to both admin light and dark. */
:root[data-theme] {
  --accent-2: var(--accent2, #0ea5e9);
}

/* =========================================================================
   DARK SURFACE — admin default + opt-in dark portal.
   Wired to BOTH [data-scheme='dark'] (portal) and [data-theme='dark'] (admin).
   ========================================================================= */
:root[data-scheme='dark'],
:root[data-theme='dark'] {
  /* Neutral ramp inverts: 50 = darkest page, 900 = brightest ink. */
  --n-50:  #0a0e17;
  --n-100: #0e1320;
  --n-150: #131a2b;
  --n-200: #1b2436;
  --n-300: #273249;
  --n-400: #3a4860;
  --n-500: #64748b;
  --n-600: #8a99af;
  --n-700: #aebccf;
  --n-800: #d6deea;
  --n-900: #f2f6fc;

  --bg: #080c15;
  --bg-grad-1: #0c1322;
  --bg-grad-2: #080b14;
  --surface: #101827;
  --surface-2: #0d1422;
  --surface-3: #16203a;
  --elevate: #16203a;

  /* Glass (dark). */
  --glass-bg: color-mix(in srgb, #0f1726 64%, transparent);
  --glass-bg-strong: color-mix(in srgb, #101827 82%, transparent);
  --glass-border: color-mix(in srgb, #ffffff 10%, transparent);

  --ink: var(--n-900);
  --ink-2: var(--n-700);
  --ink-3: var(--n-500);
  --ink-faint: var(--n-400);

  --line: #1e293b;
  --line-2: #2a384e;
  --line-strong: #3a4860;
  --hairline: inset 0 0 0 1px color-mix(in srgb, #ffffff 7%, transparent);

  /* On dark, derived tints mix toward surface (dark), so accent washes glow
     rather than wash out. Status inks brighten for AA contrast. */
  --ok-ink:     color-mix(in srgb, var(--ok) 50%, #fff);
  --warn-ink:   color-mix(in srgb, var(--warn) 60%, #fff);
  --danger-ink: color-mix(in srgb, var(--danger) 55%, #fff);
  --info-ink:   color-mix(in srgb, var(--info) 55%, #fff);

  /* Deeper, softer shadows for dark; glow carries the elevation cue. */
  --shadow-1: 0 1px 2px rgba(0,0,0,.45);
  --shadow-2: 0 6px 18px rgba(0,0,0,.5);
  --shadow-3: 0 14px 40px rgba(0,0,0,.55);
  --shadow-4: 0 28px 70px rgba(0,0,0,.62);

  color-scheme: dark;
}

/* Auto dark for an explicit data-scheme='auto' page (portal default stays light). */
@media (prefers-color-scheme: dark) {
  :root[data-scheme='auto'] {
    --n-50:#0a0e17; --n-100:#0e1320; --n-150:#131a2b; --n-200:#1b2436;
    --n-300:#273249; --n-400:#3a4860; --n-500:#64748b; --n-600:#8a99af;
    --n-700:#aebccf; --n-800:#d6deea; --n-900:#f2f6fc;
    --bg:#080c15; --bg-grad-1:#0c1322; --bg-grad-2:#080b14;
    --surface:#101827; --surface-2:#0d1422; --surface-3:#16203a; --elevate:#16203a;
    --glass-bg: color-mix(in srgb, #0f1726 64%, transparent);
    --glass-bg-strong: color-mix(in srgb, #101827 82%, transparent);
    --glass-border: color-mix(in srgb, #ffffff 10%, transparent);
    --ink:var(--n-900); --ink-2:var(--n-700); --ink-3:var(--n-500); --ink-faint:var(--n-400);
    --line:#1e293b; --line-2:#2a384e; --line-strong:#3a4860;
    --shadow-1:0 1px 2px rgba(0,0,0,.45); --shadow-2:0 6px 18px rgba(0,0,0,.5);
    --shadow-3:0 14px 40px rgba(0,0,0,.55); --shadow-4:0 28px 70px rgba(0,0,0,.62);
    color-scheme: dark;
  }
}

/* =========================================================================
   RESET / BASE
   ========================================================================= */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }

body {
  font-family: var(--font-ui);
  font-size: var(--fs-md);
  line-height: var(--leading-normal);
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  -webkit-tap-highlight-color: transparent;
  font-feature-settings: 'cv11', 'ss01';
}
button, input, select, textarea { font-family: inherit; }
::selection { background: var(--accent-ring); color: var(--ink); }

/* =========================================================================
   TYPOGRAPHY UTILITIES
   ========================================================================= */
.t-display { font-size: var(--t-display); font-weight: var(--w-black); letter-spacing: var(--track-tight); line-height: var(--leading-tight); }
.t-h1 { font-size: var(--t-h1); font-weight: var(--w-bold); letter-spacing: var(--track-tight); line-height: var(--leading-tight); }
.t-h2 { font-size: var(--t-h2); font-weight: var(--w-bold); letter-spacing: var(--track-snug); line-height: var(--leading-snug); }
.t-h3 { font-size: var(--t-h3); font-weight: var(--w-semibold); letter-spacing: var(--track-snug); }
.t-body { font-size: var(--t-body); font-weight: var(--w-regular); }
.t-sm { font-size: var(--t-sm); }
.t-xs { font-size: var(--t-xs); }
.t-muted { color: var(--ink-3); }
.t-faint { color: var(--ink-faint); }
.t-caps { text-transform: uppercase; letter-spacing: var(--track-caps); font-size: var(--t-2xs); font-weight: var(--w-semibold); color: var(--ink-3); }
.tabular { font-variant-numeric: tabular-nums; font-feature-settings: 'tnum' 1; }
/* Money / time readouts: tabular figures so digits don't jitter as they tick. */
.num { font-family: var(--font-num); font-variant-numeric: tabular-nums; font-feature-settings: 'tnum' 1; letter-spacing: var(--track-snug); }

/* =========================================================================
   SURFACE UTILITIES
   ========================================================================= */
/* Frosted glass: translucent fill + blur + hairline. Use for action bars,
   overlays, sticky headers. Falls back to a solid strong fill w/o blur. */
.glass {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  box-shadow: var(--shadow-3), var(--hairline);
}
@supports ((-webkit-backdrop-filter: blur(1px)) or (backdrop-filter: blur(1px))) {
  .glass {
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(140%);
    backdrop-filter: blur(var(--glass-blur)) saturate(140%);
  }
}
.glass-strong { background: var(--glass-bg-strong); }

/* Ambient brand background washes — drop on a page/body for depth. */
.aura-bg {
  background:
    radial-gradient(60% 50% at 12% 0%, var(--accent-soft), transparent 60%),
    radial-gradient(55% 45% at 100% 8%, color-mix(in srgb, var(--accent-2) 12%, transparent), transparent 62%),
    linear-gradient(180deg, var(--bg-grad-1), var(--bg-grad-2) 40%, var(--bg));
}
.mesh-bg {
  background:
    radial-gradient(color-mix(in srgb, var(--accent-2) 22%, transparent) 1.2px, transparent 1.4px),
    radial-gradient(color-mix(in srgb, var(--accent) 16%, transparent) 1.2px, transparent 1.4px),
    radial-gradient(40% 40% at 18% 22%, var(--accent-softer), transparent 70%),
    radial-gradient(38% 38% at 82% 14%, color-mix(in srgb, var(--accent-2) 10%, transparent), transparent 70%),
    radial-gradient(50% 50% at 60% 100%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 70%),
    var(--bg);
  background-size: 40px 40px, 80px 80px, auto, auto, auto, auto;
  background-position: 0 0, 20px 20px, 0 0, 0 0, 0 0, 0 0;
}

/* Focus ring — single source of truth. Apply to interactive elements. */
.focus-ring:focus-visible,
:where(a, button, [role='button'], input, select, textarea, [tabindex]):focus-visible {
  outline: 3px solid var(--accent-ring);
  outline-offset: 2px;
  border-radius: var(--r-xs);
}

/* Scrollbar styling (thin, themed). */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--line-2) transparent;
}
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb {
  background: var(--line-2);
  border-radius: var(--r-pill);
  border: 3px solid transparent;
  background-clip: content-box;
}
*::-webkit-scrollbar-thumb:hover { background: var(--line-strong); background-clip: content-box; }

/* =========================================================================
   SHARED PRIMITIVE: .tab-hero
   The header band on every admin module + the portal hero. Animated accent
   aura sweeps slowly behind the title (reduced-motion: static).
   ========================================================================= */
.tab-hero {
  position: relative;
  isolation: isolate;
  padding: var(--s-6) var(--s-5) var(--s-5);
  background:
    radial-gradient(120% 140% at 0% 0%, var(--accent-soft), transparent 55%),
    var(--accent-grad);
  color: var(--on-accent);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  overflow: hidden;
}
/* Slow drifting aura blob behind the hero content. */
.tab-hero::before {
  content: '';
  position: absolute;
  inset: -40% -20%;
  z-index: -1;
  background:
    radial-gradient(40% 60% at 20% 30%, color-mix(in srgb, #fff 26%, transparent), transparent 60%),
    radial-gradient(45% 55% at 85% 60%, color-mix(in srgb, var(--accent-2) 45%, transparent), transparent 62%);
  filter: blur(6px);
  opacity: .9;
  animation: aurora 18s var(--ease-in-out) infinite;
}
.tab-hero h1 {
  margin: 0;
  font-size: var(--fs-xl);
  font-weight: var(--w-bold);
  letter-spacing: var(--track-snug);
}
.tab-hero .sub {
  margin: var(--s-1) 0 0;
  opacity: .92;
  font-size: var(--fs-sm);
}

/* =========================================================================
   SHARED PRIMITIVE: .card / .panel
   ========================================================================= */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-1), var(--hairline);
  padding: var(--s-5);
}
.panel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-2), var(--hairline);
  padding: var(--s-6);
}
.panel-glass { composes: glass; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: var(--s-3); margin-bottom: var(--s-4); }
.panel-title { margin: 0; font-size: var(--fs-lg); font-weight: var(--w-bold); letter-spacing: var(--track-snug); }

/* =========================================================================
   SHARED PRIMITIVE: .btn family
   48px min tap target; springy press; accent CTA glows; ghost + danger.
   ========================================================================= */
.btn {
  -webkit-appearance: none;
  appearance: none;
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-2);
  min-height: 48px;
  padding: 0 var(--s-5);
  border-radius: var(--r-pill);
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink);
  font-size: var(--fs-md);
  font-weight: var(--w-semibold);
  letter-spacing: var(--track-snug);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  box-shadow: var(--shadow-1);
  transition: transform var(--dur-fast) var(--ease),
    box-shadow var(--dur) var(--ease),
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    filter var(--dur-fast) var(--ease);
}
.btn:hover { box-shadow: var(--shadow-2); }
.btn:active { transform: scale(.97); }
.btn:focus-visible { outline: 3px solid var(--accent-ring); outline-offset: 2px; }
.btn[disabled], .btn:disabled { opacity: .5; cursor: not-allowed; transform: none; box-shadow: none; }
.btn svg { width: 1.15em; height: 1.15em; flex: none; }

/* Accent CTA — gradient fill, brand glow, crisp inset highlight. */
.btn-accent, .btn-primary {
  background: var(--accent-grad);
  color: var(--on-accent);
  border-color: transparent;
  box-shadow: var(--accent-glow-sm), inset 0 1px 0 color-mix(in srgb, #fff 28%, transparent);
}
.btn-accent:hover, .btn-primary:hover { filter: brightness(1.05) saturate(1.05); box-shadow: var(--accent-glow); }
.btn-accent:active, .btn-primary:active { filter: brightness(.98); }

/* Ghost — quiet, outline only. */
.btn-ghost {
  background: transparent;
  border-color: var(--line-2);
  color: var(--ink-2);
  box-shadow: none;
}
.btn-ghost:hover { background: var(--surface-2); border-color: var(--line-strong); box-shadow: none; }

/* Danger — destructive. */
.btn-danger {
  background: var(--danger);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 6px 18px color-mix(in srgb, var(--danger) 30%, transparent);
}
.btn-danger:hover { filter: brightness(1.05); }

.btn-sm { min-height: 36px; padding: 0 var(--s-4); font-size: var(--fs-sm); }
.btn-lg { min-height: 60px; font-size: var(--fs-lg); padding: 0 var(--s-6); }
.btn-block { width: 100%; }
.btn-icon { padding: 0; width: 44px; height: 44px; min-height: 44px; border-radius: var(--r-pill); }

/* =========================================================================
   SHARED PRIMITIVE: .pill / .badge
   ========================================================================= */
.pill {
  display: inline-flex;
  align-items: center;
  gap: var(--s-2);
  padding: var(--s-1) var(--s-3);
  border-radius: var(--r-pill);
  background: var(--surface-2);
  border: 1px solid var(--line);
  font-size: var(--fs-sm);
  font-weight: var(--w-semibold);
  color: var(--ink-2);
  line-height: 1;
}
.pill svg { width: 1em; height: 1em; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: var(--r-pill);
  font-size: var(--t-2xs);
  font-weight: var(--w-bold);
  letter-spacing: var(--track-wide);
  text-transform: uppercase;
  line-height: 1.4;
}
.badge::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: currentColor; opacity: .9; }
.badge-accent { background: var(--accent-soft); color: var(--accent-700); }
.badge-ok     { background: var(--ok-soft);     color: var(--ok-ink); }
.badge-warn   { background: var(--warn-soft);   color: var(--warn-ink); }
.badge-danger { background: var(--danger-soft); color: var(--danger-ink); }
.badge-info   { background: var(--info-soft);   color: var(--info-ink); }
.badge-neutral{ background: var(--surface-3);   color: var(--ink-3); }
/* Trend chip (admin KPI): up = ok, down = danger. */
.trend { display:inline-flex; align-items:center; gap:4px; font-size: var(--t-2xs); font-weight: var(--w-bold); padding: 2px 7px; border-radius: var(--r-pill); }
.trend-up { background: var(--ok-soft); color: var(--ok-ink); }
.trend-down { background: var(--danger-soft); color: var(--danger-ink); }
.trend-flat { background: var(--surface-3); color: var(--ink-3); }

/* =========================================================================
   SHARED PRIMITIVE: form controls (.field / .input / .switch / .pin-input)
   ========================================================================= */
.field { display: flex; flex-direction: column; gap: var(--s-2); }
.field > label, .field-label {
  font-size: var(--fs-sm);
  font-weight: var(--w-semibold);
  color: var(--ink-2);
}
.field-hint { font-size: var(--t-xs); color: var(--ink-3); }

.input, .select, .textarea {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  min-height: 48px;
  padding: 0 var(--s-4);
  border-radius: var(--r-sm);
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink);
  font-size: var(--fs-md);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease), background var(--dur-fast) var(--ease);
}
.textarea { min-height: 96px; padding: var(--s-3) var(--s-4); line-height: 1.5; resize: vertical; }
.input::placeholder, .textarea::placeholder { color: var(--ink-faint); }
.input:hover, .select:hover, .textarea:hover { border-color: var(--line-strong); }
.input:focus, .select:focus, .textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-ring);
  background: var(--surface);
}

/* Toggle switch. */
.switch { position: relative; display: inline-flex; align-items: center; cursor: pointer; }
.switch input { position: absolute; opacity: 0; width: 0; height: 0; }
.switch .track {
  width: 46px; height: 28px;
  border-radius: var(--r-pill);
  background: var(--surface-3);
  border: 1px solid var(--line-2);
  transition: background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.switch .thumb {
  position: absolute; top: 3px; left: 3px;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: #fff;
  box-shadow: var(--shadow-1);
  transition: transform var(--dur) var(--ease-spring);
}
.switch input:checked + .track { background: var(--accent); border-color: transparent; }
.switch input:checked + .track + .thumb,
.switch input:checked ~ .thumb { transform: translateX(18px); }
.switch input:focus-visible + .track { box-shadow: 0 0 0 3px var(--accent-ring); }

/* PIN input — large, tracked, tabular. */
.pin-input {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  text-align: center;
  letter-spacing: 0.5em;
  font-size: var(--fs-2xl);
  font-weight: var(--w-bold);
  min-height: 64px;
  border-radius: var(--r-md);
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.pin-input:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-ring); }

/* =========================================================================
   SHARED PRIMITIVE: .kpi shell (admin KPI tiles)
   Accent edge + soft glow on hover; consumers slot value/label/spark/trend.
   ========================================================================= */
.kpi {
  --kpi-accent: var(--accent);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--s-2);
  padding: var(--s-5);
  border-radius: var(--r-lg);
  background: var(--surface);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-1), var(--hairline);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.kpi::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--kpi-accent);
  opacity: .85;
}
.kpi::after {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(120% 80% at 100% 0%, color-mix(in srgb, var(--kpi-accent) 10%, transparent), transparent 60%);
  pointer-events: none;
}
.kpi:hover { transform: translateY(-2px); box-shadow: var(--shadow-3), var(--hairline); }
.kpi .kpi-label { font-size: var(--t-2xs); text-transform: uppercase; letter-spacing: var(--track-caps); color: var(--ink-3); font-weight: var(--w-semibold); }
.kpi .kpi-value { font-family: var(--font-num); font-variant-numeric: tabular-nums; font-size: var(--fs-2xl); font-weight: var(--w-bold); letter-spacing: var(--track-snug); line-height: 1.05; }

/* Accessibility helper. */
.visually-hidden {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* =========================================================================
   MOTION — named keyframes utilities. All gated by prefers-reduced-motion.
   ========================================================================= */
@keyframes fade-up { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@keyframes pop { 0% { transform: scale(.8); opacity: 0; } 60% { transform: scale(1.06); opacity: 1; } 100% { transform: scale(1); } }
@keyframes shimmer { from { background-position: -150% 0; } to { background-position: 250% 0; } }
@keyframes pulse-ring { 0% { transform: scale(.92); opacity: .6; } 70% { transform: scale(1.25); opacity: 0; } 100% { opacity: 0; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-6px); } }
@keyframes aurora { 0%, 100% { transform: translate3d(0,0,0) rotate(0deg); } 33% { transform: translate3d(3%, -2%, 0) rotate(4deg); } 66% { transform: translate3d(-2%, 2%, 0) rotate(-3deg); } }
@keyframes spin { to { transform: rotate(360deg); } }

.anim-fade-up { animation: fade-up var(--dur-slow) var(--ease) both; }
.anim-pop { animation: pop var(--dur) var(--ease-spring) both; }
.anim-float { animation: float 4s var(--ease-in-out) infinite; }
.anim-spin { animation: spin 1s linear infinite; }

/* Shimmer skeleton placeholder. */
.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 25%, var(--surface-3) 37%, var(--surface-2) 63%);
  background-size: 200% 100%;
  animation: shimmer 1.4s linear infinite;
  border-radius: var(--r-sm);
  color: transparent;
}

/* Pulse ring ping (live feed dot, coin pulse). Place as ::after on a dot. */
.ping { position: relative; }
.ping::after {
  content: '';
  position: absolute; inset: 0;
  border-radius: inherit;
  background: var(--accent);
  animation: pulse-ring 1.8s var(--ease) infinite;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .tab-hero::before, .anim-float, .ping::after, .skeleton { animation: none !important; }
}