/* ════════════════════════════════════════════════════════════════════════
   design-system.css v2 — Bootstrap "Warm Glass" (Base44-style).
   THE single source of truth for the visual layer, landing → product.
   Loaded in <head> on EVERY page (cache-busted ?v=2, enforced by
   scripts/design-lint.sh at deploy time).

   v2 direction (distilled from Base44 refs):
   • Warm cream surfaces floating on a vivid indigo→mint gradient environment.
   • Shadow-driven elevation, hairline edges, generous radii, big friendly
     numerals; pastel data-chips; technical mono-labels as accents.
   • Light is the default; dark via html[data-theme="dark"].
     The choice lives in localStorage.bootstrap_theme and is applied pre-paint
     by the standard theme-boot snippet (script#theme-boot in every head);
     first visit defaults to LIGHT (the snippet always stamps data-theme, so
     no OS-preference fallback exists — flip via the footer toggle).
   • Backward compatible: every v1 token and .glass-* primitive keeps its
     name; v2 adds .ds-* components on top.
   • CANVAS-SAFE: never touches the App Store render artefacts
     (.canvas/.phone/.callout/.preview-wrapper) — those are export pixels.

   ROLLBACK: remove the <link> to this file from page heads and the product
   falls back to the prior design.
   ════════════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&family=JetBrains+Mono:wght@500;700&display=swap');

/* ─── 1. TOKENS — light (default) ─────────────────────────────────────── */
:root {
  /* Typography (single source: pages must NOT declare other families) */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  --fs-display: 34px;  --fs-h1: 22px;  --fs-h2: 17px;   --fs-h3: 14.5px;
  --fs-body: 13.5px;   --fs-sm: 12.5px; --fs-xs: 11.5px; --fs-2xs: 10.5px;
  --lh-tight: 1.18;    --lh-body: 1.55;

  /* Glass surfaces — warm cream (Base44 signature warmth) */
  --glass-bg:         rgba(255, 254, 250, 0.58);
  --glass-bg-strong:  rgba(255, 254, 249, 0.78);
  --glass-bg-soft:    rgba(255, 253, 248, 0.40);
  --glass-edge:       rgba(255, 255, 255, 0.85);
  --glass-hair:       rgba(28, 24, 66, 0.08);
  --glass-blur:       22px;
  --glass-blur-sm:    12px;
  --glass-shadow:     0 14px 40px rgba(70, 60, 150, 0.14);
  --glass-shadow-sm:  0 6px 18px rgba(70, 60, 150, 0.10);
  --glass-inset:      inset 0 1px 0 rgba(255, 255, 255, 0.6);

  /* Opaque surface for content-dense areas (tables, modals, editors) */
  --surface-solid:    #FDFCF9;

  /* Brand accent */
  --accent:      #635BFF;
  --accent-2:    #7C3AED;
  --accent-grad: linear-gradient(135deg, #7C3AED 0%, #635BFF 100%);
  --accent-weak: rgba(99, 91, 255, 0.14);
  --accent-ink:  #5048D6;

  /* Semantic status */
  --ok:        #10B981;  --ok-weak:   rgba(16, 185, 129, 0.14);  --ok-ink:   #067A55;
  --warn:      #F59E0B;  --warn-weak: rgba(245, 158, 11, 0.16);  --warn-ink: #92600A;
  --err:       #EF4444;  --err-weak:  rgba(239, 68, 68, 0.13);   --err-ink:  #C22F2F;

  /* Pastel data-chips (Base44 category pills) */
  --chip-blue-bg:  #DCEBFA; --chip-blue-ink:  #1D5FA8;
  --chip-mint-bg:  #D9F2E8; --chip-mint-ink:  #0F7A5C;
  --chip-lime-bg:  #E9F3C9; --chip-lime-ink:  #56761A;
  --chip-peach-bg: #FDE4D2; --chip-peach-ink: #B4501E;
  --chip-lilac-bg: #E8E3FB; --chip-lilac-ink: #5B48C2;
  --chip-rose-bg:  #FBDFE7; --chip-rose-ink:  #B93A62;

  /* Environment gradient base */
  --mesh-base: #ECEDF9;

  /* Segmented control active pill */
  --seg-active: #FFFFFF;

  /* ── LEGACY tokens → v2 values (existing pages inherit the look) ── */
  --bg:        var(--mesh-base);
  --bg-soft:   #F5F5FB;
  --surface:   var(--glass-bg);
  --ink:       #16172E;
  --ink-2:     #222448;
  --ink-3:     #4A4D6B;
  --ink-4:     #5C5F7A;
  --ink-5:     #8A8DA6;
  --line:      var(--glass-hair);
  --line-2:    rgba(28, 24, 66, 0.13);
  --purple:    #635BFF;
  --purple-d:  #4F46E5;
  --purple-l:  #A5A1FF;
  --green:     #10B981;
  --amber:     #F59E0B;
  --pink:      #EC4899;
  --shadow-1:  var(--glass-shadow-sm);
  --shadow-2:  var(--glass-shadow-sm);
  --shadow-3:  var(--glass-shadow);
  --shadow-p:  var(--glass-shadow-sm);
  --r-sm:      12px;
  --r-md:      16px;
  --r-lg:      22px;
  --r-xl:      28px;
}

/* ─── TOKENS — dark ───────────────────────────────────────────────────── */
html[data-theme="dark"] {
  --glass-bg:         rgba(30, 30, 56, 0.55);
  --glass-bg-strong:  rgba(34, 34, 64, 0.74);
  --glass-bg-soft:    rgba(20, 20, 42, 0.40);
  --glass-edge:       rgba(255, 255, 255, 0.12);
  --glass-hair:       rgba(255, 255, 255, 0.08);
  --glass-shadow:     0 16px 44px rgba(0, 0, 0, 0.50);
  --glass-shadow-sm:  0 6px 18px rgba(0, 0, 0, 0.40);
  --glass-inset:      inset 0 1px 0 rgba(255, 255, 255, 0.08);
  --surface-solid:    #15162C;
  --accent-weak: rgba(99, 91, 255, 0.20);
  --accent-ink:  #A5A1FF;

  --ok-weak:   rgba(16, 185, 129, 0.18);  --ok-ink:   #34D399;
  --warn-weak: rgba(245, 158, 11, 0.18);  --warn-ink: #FBBF24;
  --err-weak:  rgba(239, 68, 68, 0.18);   --err-ink:  #F87171;

  --chip-blue-bg:  rgba(96, 165, 250, 0.18);  --chip-blue-ink:  #93C5FD;
  --chip-mint-bg:  rgba(52, 211, 153, 0.16);  --chip-mint-ink:  #6EE7B7;
  --chip-lime-bg:  rgba(163, 230, 53, 0.14);  --chip-lime-ink:  #BEF264;
  --chip-peach-bg: rgba(251, 146, 60, 0.16);  --chip-peach-ink: #FDBA74;
  --chip-lilac-bg: rgba(167, 139, 250, 0.18); --chip-lilac-ink: #C4B5FD;
  --chip-rose-bg:  rgba(244, 114, 182, 0.16); --chip-rose-ink:  #F9A8D4;

  --mesh-base: #070714;
  --seg-active: rgba(255, 255, 255, 0.14);

  --bg:        var(--mesh-base);
  --bg-soft:   #0E0E22;
  --surface:   var(--glass-bg);
  --ink:       #F4F5FF;
  --ink-2:     #E6E7F5;
  --ink-3:     #C9CCDD;
  --ink-4:     #9EA1BA;
  --ink-5:     #7A7E95;
  --line:      var(--glass-hair);
  --line-2:    rgba(255, 255, 255, 0.14);
}

/* NOTE: no OS-preference fallback block — theme-boot always stamps data-theme
   (light by default), so an unset state never reaches the CSS. If the product
   ever adopts OS-honoring first paint, reintroduce the media block AND change
   the snippet + footer-widget default together. */

/* ─── 2. ENVIRONMENT (vivid gradient the cream cards float on) ────────── */
body { background: var(--mesh-base); font-family: var(--font-sans); }
body::before {
  content: ""; position: fixed; inset: 0; z-index: -1; pointer-events: none;
  background:
    radial-gradient(circle at 10% 6%,  rgba(99, 91, 255, 0.22),  transparent 44%),
    radial-gradient(circle at 90% 10%, rgba(255, 143, 177, 0.15), transparent 42%),
    radial-gradient(circle at 84% 90%, rgba(124, 58, 237, 0.15),  transparent 46%),
    radial-gradient(circle at 16% 92%, rgba(97, 218, 187, 0.20),  transparent 46%),
    radial-gradient(circle at 55% 50%, rgba(169, 180, 242, 0.10), transparent 55%);
}
html[data-theme="dark"] body::before {
  background:
    radial-gradient(circle at 10% 6%,  rgba(99, 91, 255, 0.26), transparent 44%),
    radial-gradient(circle at 90% 10%, rgba(124, 58, 237, 0.22), transparent 46%),
    radial-gradient(circle at 84% 90%, rgba(99, 91, 255, 0.16), transparent 48%),
    radial-gradient(circle at 16% 92%, rgba(45, 170, 145, 0.12), transparent 46%);
}

/* Homogeneity details: selection, focus ring, scrollbars */
::selection { background: var(--accent-weak); }
:where(a, button, [role="button"], [tabindex]):focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px;
}
* { scrollbar-width: thin; scrollbar-color: var(--line-2) transparent; }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb {
  background: var(--line-2); border-radius: 8px;
  border: 3px solid transparent; background-clip: padding-box;
}
::-webkit-scrollbar-track { background: transparent; }

/* ─── 3. GLASS PRIMITIVES (v1, kept) ──────────────────────────────────── */
.glass-card, .glass-panel {
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur));
  backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow), var(--glass-inset);
}
.glass-card.is-solid, .glass-panel.is-solid {
  background: var(--surface-solid);
  -webkit-backdrop-filter: none; backdrop-filter: none;
}
.glass-panel-sm {
  background: var(--glass-bg-soft);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm));
  backdrop-filter: blur(var(--glass-blur-sm));
  border: 1px solid var(--glass-edge);
  border-radius: var(--r-md);
}

.glass-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  font-family: inherit; font-weight: 700; font-size: 13px;
  padding: 11px 16px; border-radius: 13px; cursor: pointer; border: none;
  transition: transform .05s ease, opacity .15s ease, box-shadow .15s ease;
}
.glass-btn:active { transform: translateY(1px); }
.glass-btn.is-primary {
  background: var(--accent-grad); color: #fff;
  box-shadow: 0 8px 20px rgba(99, 91, 255, 0.38);
}
.glass-btn.is-primary:hover { box-shadow: 0 10px 26px rgba(99, 91, 255, 0.5); }
.glass-btn.is-ghost {
  background: var(--glass-bg); color: var(--ink);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm));
  backdrop-filter: blur(var(--glass-blur-sm));
  border: 1px solid var(--glass-edge);
}
.glass-btn.is-ghost:hover { border-color: var(--accent); color: var(--accent-ink); }
.glass-btn.is-danger { background: var(--err-weak); color: var(--err-ink); }
.glass-btn:disabled { opacity: .45; cursor: not-allowed; }

.glass-input, .glass-select, .glass-textarea {
  width: 100%; font-family: inherit; font-size: 13px; color: var(--ink);
  background: var(--glass-bg-soft);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm));
  backdrop-filter: blur(var(--glass-blur-sm));
  border: 1px solid var(--glass-edge); border-radius: 12px; padding: 10px 13px;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.glass-input::placeholder, .glass-textarea::placeholder { color: var(--ink-5); }
.glass-input:focus, .glass-select:focus, .glass-textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-weak);
}

.glass-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 13px; border-radius: 999px; font-size: 12.5px; font-weight: 700;
  color: var(--ink); background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur-sm));
  backdrop-filter: blur(var(--glass-blur-sm));
  border: 1px solid var(--glass-edge); cursor: pointer;
}
.glass-pill.is-active { background: var(--accent-grad); color: #fff; border-color: transparent;
  box-shadow: 0 6px 16px rgba(99, 91, 255, 0.4); }

.glass-badge {
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 11px; font-weight: 800; padding: 3px 8px; border-radius: 999px;
  background: var(--accent-weak); color: var(--accent-ink);
  font-variant-numeric: tabular-nums;
}

.glass-divider { height: 1px; background: var(--glass-hair); border: 0; margin: 14px 0; }

.glass-blur   { -webkit-backdrop-filter: blur(var(--glass-blur)); backdrop-filter: blur(var(--glass-blur)); }
.glass-frost  { background: var(--glass-bg); border: 1px solid var(--glass-edge); }
.glass-round  { border-radius: var(--r-lg); }
.glass-shadow { box-shadow: var(--glass-shadow); }

/* ─── 4. v2 COMPONENTS (.ds-*) ────────────────────────────────────────── */

/* Pastel data-chip (Base44 category pill). Markup: span.ds-chip.is-mint */
.ds-chip {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 700; padding: 4px 10px; border-radius: 999px;
  background: var(--accent-weak); color: var(--accent-ink); white-space: nowrap;
}
.ds-chip.is-blue  { background: var(--chip-blue-bg);  color: var(--chip-blue-ink); }
.ds-chip.is-mint  { background: var(--chip-mint-bg);  color: var(--chip-mint-ink); }
.ds-chip.is-lime  { background: var(--chip-lime-bg);  color: var(--chip-lime-ink); }
.ds-chip.is-peach { background: var(--chip-peach-bg); color: var(--chip-peach-ink); }
.ds-chip.is-lilac { background: var(--chip-lilac-bg); color: var(--chip-lilac-ink); }
.ds-chip.is-rose  { background: var(--chip-rose-bg);  color: var(--chip-rose-ink); }
.ds-chip.is-ok    { background: var(--ok-weak);   color: var(--ok-ink); }
.ds-chip.is-warn  { background: var(--warn-weak); color: var(--warn-ink); }
.ds-chip.is-err   { background: var(--err-weak);  color: var(--err-ink); }

/* KPI stat card interior (use inside .glass-card). Markup:
   .ds-kpi > (.k-tx > .k-label + .k-value + .k-delta) + .k-ic */
.ds-kpi { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.ds-kpi .k-label { font-size: 12px; font-weight: 600; color: var(--ink-4); }
.ds-kpi .k-value {
  font-size: 30px; font-weight: 800; color: var(--ink); line-height: 1.15;
  font-variant-numeric: tabular-nums; letter-spacing: -0.02em; margin-top: 4px;
}
.ds-kpi .k-delta { font-size: 12px; font-weight: 700; margin-top: 4px; }
.ds-kpi .k-delta.is-up   { color: var(--ok-ink); }
.ds-kpi .k-delta.is-down { color: var(--err-ink); }
.ds-kpi .k-delta .k-vs   { color: var(--ink-5); font-weight: 500; }
.ds-kpi .k-ic {
  width: 38px; height: 38px; border-radius: 50%; flex: 0 0 auto;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--glass-bg-strong); border: 1px solid var(--glass-edge);
  box-shadow: var(--glass-shadow-sm); font-size: 16px; color: var(--ink-3);
}

/* Segmented control (translucent track, solid active pill).
   Markup: .ds-seg > button (+ .is-active) */
.ds-seg {
  display: inline-flex; align-items: center; gap: 4px; padding: 4px;
  background: var(--glass-bg-soft); border: 1px solid var(--glass-edge);
  border-radius: 999px;
  -webkit-backdrop-filter: blur(var(--glass-blur-sm));
  backdrop-filter: blur(var(--glass-blur-sm));
}
.ds-seg > button {
  font-family: inherit; font-size: 12.5px; font-weight: 700; color: var(--ink-4);
  background: transparent; border: none; border-radius: 999px;
  padding: 8px 16px; cursor: pointer; transition: color .15s, background .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.ds-seg > button:hover { color: var(--ink-2); }
.ds-seg > button.is-active {
  background: var(--seg-active); color: var(--ink);
  box-shadow: var(--glass-shadow-sm);
}

/* Icon chip-button (Base44 "Add styling" style). Markup: button.ds-chip-btn */
.ds-chip-btn {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: inherit; font-size: 12.5px; font-weight: 600; color: var(--ink-3);
  background: var(--glass-bg); border: 1px solid var(--line-2);
  border-radius: 999px; padding: 8px 14px; cursor: pointer;
  transition: border-color .15s, color .15s;
}
.ds-chip-btn:hover { border-color: var(--accent); color: var(--accent-ink); }

/* Progress checklist (Base44 build dialog). Markup:
   ul.ds-check > li(.is-done|.is-pending) > span.ck + text */
.ds-check { list-style: none; margin: 0; padding: 0; }
.ds-check li {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 0; font-size: 13.5px; color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}
.ds-check li:last-child { border-bottom: none; }
.ds-check .ck {
  width: 18px; height: 18px; border-radius: 50%; flex: 0 0 auto;
  border: 1.5px solid var(--ok); color: var(--ok);
  display: inline-flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 800;
}
.ds-check li.is-pending { color: var(--ink-5); }
.ds-check li.is-pending .ck { border-color: var(--line-2); color: transparent; }

/* Skeleton shimmer bar. Markup: div.ds-skeleton (set width inline) */
.ds-skeleton {
  height: 10px; border-radius: 6px;
  background: linear-gradient(90deg, var(--line) 25%, var(--glass-bg-strong) 45%, var(--line) 65%);
  background-size: 200% 100%;
  animation: ds-shimmer 1.4s ease-in-out infinite;
}
@keyframes ds-shimmer {
  from { background-position: 200% 0; }
  to   { background-position: -200% 0; }
}

/* Empty state. Markup: .ds-empty > .e-ic + .e-title + .e-sub + optional CTA */
.ds-empty { text-align: center; padding: 44px 20px; }
.ds-empty .e-ic { font-size: 26px; opacity: .55; margin-bottom: 10px; }
.ds-empty .e-title { font-size: 14px; font-weight: 800; color: var(--ink); margin-bottom: 5px; }
.ds-empty .e-sub { font-size: 12.5px; color: var(--ink-5); max-width: 380px; margin: 0 auto 14px; line-height: 1.5; }

/* Data table. Markup: table.ds-table */
.ds-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.ds-table th {
  text-align: left; font-size: 10.5px; font-weight: 800;
  letter-spacing: .07em; text-transform: uppercase; color: var(--ink-5);
  padding: 8px 12px; border-bottom: 1px solid var(--line-2);
}
.ds-table td { padding: 11px 12px; border-bottom: 1px solid var(--line); color: var(--ink-2); }
.ds-table tbody tr:last-child td { border-bottom: none; }
.ds-table tbody tr:hover { background: var(--glass-bg-soft); }

/* Technical mono-label (Treks-style caps accent). Markup: span.ds-mono-label */
.ds-mono-label {
  font-family: var(--font-mono); font-size: 10.5px; font-weight: 700;
  letter-spacing: .09em; text-transform: uppercase; color: var(--ink-4);
  display: inline-flex; align-items: center; gap: 6px;
}

/* Modal + overlay. Markup: .ds-overlay > .ds-modal */
.ds-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(10, 10, 30, 0.42);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center; padding: 20px;
}
.ds-modal {
  width: min(560px, 100%); max-height: 86vh; overflow: auto;
  background: var(--surface-solid);
  border: 1px solid var(--glass-edge); border-radius: var(--r-lg);
  box-shadow: var(--glass-shadow); padding: 22px;
}

/* ─── 5. SAFETY: never frost the App Store render canvas (export pixels) ── */
.canvas, .canvas *, .phone, .phone *, .callout, .preview-wrapper {
  -webkit-backdrop-filter: none !important; backdrop-filter: none !important;
}
.canvas::before, .preview-wrapper::before { content: none !important; }

/* Reduced-motion / reduced-transparency / print */
@media (prefers-reduced-transparency: reduce) {
  .glass-card, .glass-panel, .glass-panel-sm, .glass-btn.is-ghost, .glass-input,
  .glass-pill, .ds-seg { -webkit-backdrop-filter: none; backdrop-filter: none; }
}
@media (prefers-reduced-motion: reduce) {
  .ds-skeleton { animation: none; }
}
@media print { body::before { display: none; } }
