@import "tailwindcss";

@theme {
  /* ── Brand ──────────────────────────────────────────────
     Sampled from public/icons/icon-512.png: the amber tile
     and the navy mark. These two carry the whole palette. */
  --color-amber: #f4c00c;
  --color-amber-deep: #d9a800;
  --color-amber-soft: #ffe9a3;
  --color-ink: #1e293b;
  --color-ink-soft: #334155;
  --color-slate-body: #475569;
  --color-slate-helper: #64748b;
  --color-slate-quiet: #94a3b8;

  /* Surfaces & lines */
  --color-canvas: #f9fafb;
  --color-paper: #ffffff;
  --color-hairline: #e2e8f0;
  --color-mist: #eef2f6;

  /* Status washes, borrowed from the app's badge colours */
  --color-mint-wash: #dcfce7;
  --color-mint-ink: #15803d;
  --color-sky-wash: #e0f2fe;
  --color-sky-ink: #0369a1;
  --color-peach-wash: #ffedd5;
  --color-peach-ink: #c2410c;

  /* ── Typography ─────────────────────────────────────── */
  --font-switzer: var(--font-switzer-local), ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: var(--font-display-local), ui-sans-serif, system-ui, -apple-system,
    BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  --text-caption: 10px;
  --text-caption--line-height: 1.5;
  --text-caption--letter-spacing: 1.4px;
  --text-body: 16px;
  --text-body--line-height: 1.5;
  --text-body-lg: 18px;
  --text-body-lg--line-height: 1.45;
  --text-subheading: 20px;
  --text-subheading--line-height: 1.43;
  --text-subheading--letter-spacing: -0.26px;
  --text-heading-sm: 31px;
  --text-heading-sm--line-height: 1.1;
  --text-heading-sm--letter-spacing: -0.4px;
  --text-heading: 44px;
  --text-heading--line-height: 1.08;
  --text-heading--letter-spacing: -1.15px;
  --text-heading-lg: 49px;
  --text-heading-lg--line-height: 1.04;
  --text-heading-lg--letter-spacing: -1.96px;
  --text-display: 76px;
  --text-display--line-height: 1;
  --text-display--letter-spacing: -4.25px;

  /* ── Radii ──────────────────────────────────────────── */
  --radius-cards: 24px;
  --radius-images: 24px;
  --radius-inputs: 16px;
  --radius-buttons: 28px;
  --radius-nav: 28px;

  /* ── Shadows ────────────────────────────────────────── */
  --shadow-float: 0 16px 16px -8px rgba(30, 41, 59, 0.04),
    0 10px 10px -5px rgba(30, 41, 59, 0.04), 0 5px 5px -2.5px rgba(30, 41, 59, 0.03),
    0 3px 3px -1.5px rgba(30, 41, 59, 0.03), 0 1px 1px -0.5px rgba(30, 41, 59, 0.03);
  --shadow-card: 0 0 0 1px rgba(30, 41, 59, 0.06), 0 16px 16px -8px rgba(30, 41, 59, 0.04),
    0 10px 10px -5px rgba(30, 41, 59, 0.03), 0 5px 5px -2.5px rgba(30, 41, 59, 0.03),
    0 2px 2px -1px rgba(30, 41, 59, 0.03);
  --shadow-elevated: 0 0 0 1px rgba(30, 41, 59, 0.05),
    0 28px 32px -12px rgba(30, 41, 59, 0.1), 0 12px 14px -6px rgba(30, 41, 59, 0.05),
    0 5px 5px -2.5px rgba(30, 41, 59, 0.03), 0 2px 2px -1px rgba(30, 41, 59, 0.03);
  --shadow-amber: 0 18px 40px -14px rgba(217, 168, 0, 0.55);

  /* ── Motion ─────────────────────────────────────────── */
  --ease-out-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-spring: cubic-bezier(0.34, 1.4, 0.64, 1);
}

:root {
  /* The signature gradient: amber into navy, used on accents and
     as the light source behind glass. */
  --gradient-brand: linear-gradient(115deg, #f4c00c 0%, #f0a500 42%, #1e293b 100%);
  --gradient-amber: linear-gradient(120deg, #ffd84d 0%, #f4c00c 45%, #e09b00 100%);
  --gradient-ink: linear-gradient(150deg, #334155 0%, #1e293b 55%, #0f172a 100%);
  --page-max: 1200px;
}

html {
  /* Native smooth scrolling would fight Lenis. Under reduced motion Lenis
     never starts, and jumping instantly is the correct behaviour anyway. */
  scroll-behavior: auto;
  scroll-padding-top: 104px;
  -webkit-text-size-adjust: 100%;
}

/* Lenis drives scrolling via transform on <html>; these are its required
   host styles. Without them the page height collapses on some browsers. */
html.lenis,
html.lenis body {
  height: auto;
}

.lenis.lenis-smooth {
  scroll-behavior: auto !important;
}

.lenis.lenis-stopped {
  overflow: hidden;
}

body {
  background: var(--color-canvas);
  color: var(--color-ink);
  font-family: var(--font-switzer);
  overflow-x: clip;
}

::selection {
  background: var(--color-amber);
  color: var(--color-ink);
}

:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 3px;
  border-radius: 6px;
}

/* Text fields opt out. They sit inside a rounded glass pill and are
   themselves transparent, so the shared ring draws a second, smaller
   box with its own corners inside the surface the user sees as the
   field. The caret and the filled value already say where focus is. */
input:focus-visible,
textarea:focus-visible {
  outline: none;
  border-radius: inherit;
}

/* ── Glass system ─────────────────────────────────────────
   The four ingredients from DESIGN-SYSTEM.md, bundled once:
   translucent fill, backdrop blur, light edge, soft shadow.
   Intensity scales with the surface's visual priority. */

.glass {
  background: rgba(255, 255, 255, 0.58);
  backdrop-filter: blur(24px) saturate(160%);
  -webkit-backdrop-filter: blur(24px) saturate(160%);
  border: 1px solid rgba(255, 255, 255, 0.65);
  box-shadow: var(--shadow-card);
}

.glass-sm {
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(10px) saturate(140%);
  -webkit-backdrop-filter: blur(10px) saturate(140%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-float);
}

.glass-xl {
  background: rgba(255, 255, 255, 0.5);
  backdrop-filter: blur(40px) saturate(180%);
  -webkit-backdrop-filter: blur(40px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-elevated);
}

/* Dark frosted panel — the auth-panel treatment from the app. */
.glass-ink {
  background: rgba(30, 41, 59, 0.72);
  backdrop-filter: blur(40px) saturate(150%);
  -webkit-backdrop-filter: blur(40px) saturate(150%);
  border: 1px solid rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow-elevated);
}

/* A top light-edge, as if a highlight catches the glass rim. */
.glass-rim {
  position: relative;
}
.glass-rim::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding-top: 1px;
  background: linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.9),
    transparent 40%
  );
  -webkit-mask:
    linear-gradient(#000 0 0) content-box,
    linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
}

/* Backdrop-filter is expensive; on small screens trade blur for opacity. */
@media (max-width: 640px) {
  .glass,
  .glass-xl {
    backdrop-filter: blur(14px) saturate(150%);
    -webkit-backdrop-filter: blur(14px) saturate(150%);
    background: rgba(255, 255, 255, 0.78);
  }
}

@supports not (backdrop-filter: blur(1px)) {
  .glass,
  .glass-sm,
  .glass-xl {
    background: rgba(255, 255, 255, 0.94);
  }
  .glass-ink {
    background: rgba(30, 41, 59, 0.94);
  }
}

/* ── Brand gradient primitives ────────────────────────── */

.brand-text {
  background: var(--gradient-amber);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  padding-inline-end: 0.06em;
}

/* Amber gradient border via double-background. */
.brand-border {
  background:
    linear-gradient(var(--color-paper), var(--color-paper)) padding-box,
    var(--gradient-amber) border-box;
  border: 1.5px solid transparent;
}

/* ── Ambient motion ───────────────────────────────────── */
@keyframes blob-float {
  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(3%, -4%, 0) scale(1.08);
  }
}

.blob {
  animation: blob-float 18s var(--ease-out-soft) infinite;
  will-change: transform;
}

@keyframes aurora-shift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

/* Slow-drifting wash so the glass always has something to blur. */
.aurora {
  background: linear-gradient(
    120deg,
    rgba(244, 192, 12, 0.22) 0%,
    rgba(255, 216, 77, 0.16) 22%,
    rgba(224, 242, 254, 0.3) 48%,
    rgba(30, 41, 59, 0.1) 74%,
    rgba(244, 192, 12, 0.2) 100%
  );
  background-size: 300% 300%;
  animation: aurora-shift 22s ease-in-out infinite;
}

@keyframes marquee {
  from {
    transform: translate3d(0, 0, 0);
  }
  to {
    transform: translate3d(-50%, 0, 0);
  }
}

.marquee-track {
  animation: marquee 42s linear infinite;
  will-change: transform;
}

/* ── Accessibility ────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .blob,
  .marquee-track,
  .aurora {
    animation: none !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}