/* ================================================================
   sedda — design tokens
   Authoritative spec: Claude design handoff (2026-05-15 / midnight variant)
   Palette: Sedda Blue #2A4FFF on Midnight #121A40
   Typography: Bricolage Grotesque (display) + DM Sans (body) + JetBrains Mono
   Dark is the default (:root). Light theme overrides for auth pages.
   ================================================================ */

:root {
  /* ── surfaces (midnight dark) ─────────────────────────── */
  --bg: #121A40;
  --bg2: #1B2244;
  --card: rgba(255, 255, 255, 0.06);
  --card2: rgba(255, 255, 255, 0.035);
  --border: rgba(255, 255, 255, 0.12);
  --border2: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.18);

  /* ── text ─────────────────────────────────────────────── */
  --ink: #FFFFFF;
  --ink2: rgba(255, 255, 255, 0.7);
  --muted: rgba(255, 255, 255, 0.52);
  --muted2: rgba(255, 255, 255, 0.65);

  /* ── accent (Sedda blue) ──────────────────────────────── */
  --accent: #2A4FFF;
  --accent-hover: #1B3FE8;
  --accent-deep: #1B3FE8;
  --accent-soft: #B7C5FF;
  --accent-light: #A6B7FF;
  --accent-dim: rgba(42, 79, 255, 0.18);
  --accent-glow: rgba(42, 79, 255, 0.10);
  --accent-border: rgba(42, 79, 255, 0.42);
  --blue-line: rgba(42, 79, 255, 0.55);
  --accent-shadow: 0 10px 40px -10px rgba(42, 79, 255, 0.6);

  /* ── semantic ─────────────────────────────────────────── */
  --green: #16A34A;
  --teal: #00d4aa;
  --red: #E1493A;
  --red-bg: rgba(225, 73, 58, 0.10);
  --warn: #E0A100;
  /* Tracking color (logistics convention — orange for in-transit) */
  --track: #EA580C;
  --track-bg: rgba(234, 88, 12, 0.12);
  --track-border: rgba(234, 88, 12, 0.32);
  --shadow: 0 30px 60px -30px rgba(0, 0, 0, 0.50);

  /* Spring easing — applied to interactive transitions */
  --ease-spring: cubic-bezier(0.5, 1.6, 0.4, 1);
  --ease-soft: cubic-bezier(0.4, 0, 0.2, 1);

  /* ── theme-specific helpers ───────────────────────────── */
  --input-bg: rgba(255, 255, 255, 0.04);
  --input-placeholder: rgba(255, 255, 255, 0.30);
  --hover-bg: rgba(255, 255, 255, 0.04);
  --chip-bg: rgba(255, 255, 255, 0.06);
  --noise-opacity: 0.30;
  --grid-dot: rgba(255, 255, 255, 0.05);
  --orb-accent-bg: rgba(88, 112, 255, 0.10);
  --orb-purple-bg: rgba(150, 100, 255, 0.06);

  /* ── typography ───────────────────────────────────────── */
  --font-display: 'Bricolage Grotesque', system-ui, -apple-system, sans-serif;
  --font-sans: 'DM Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

/* ───── light theme override (auth pages: login.html, signup.html) ───── */
[data-theme="light"] {
  /* Page bg is soft gray so white cards "pop"; inverts old white-on-white look */
  --bg: #F2F4FA;
  --bg2: #FFFFFF;
  --card: #FFFFFF;
  --card2: #FFFFFF;
  --border: #DDE2EE;
  --border2: #E6E9F3;
  --border-hover: rgba(11, 16, 36, 0.22);

  --ink: #0B1024;
  --ink2: #2A314B;
  --muted: #4A5169;   /* darker — passes AA on soft gray bg */
  --muted2: #6E7591;  /* darker than before */

  --accent: #2A4FFF;
  --accent-hover: #1B3FE8;
  --accent-deep: #1B3FE8;
  --accent-soft: #B7C5FF;
  --accent-light: #5870FF;
  --accent-dim: rgba(42, 79, 255, 0.10);
  --accent-glow: rgba(42, 79, 255, 0.06);
  --accent-border: rgba(42, 79, 255, 0.28);
  --blue-line: rgba(42, 79, 255, 0.40);
  --accent-shadow: 0 8px 28px rgba(42, 79, 255, 0.20);

  --green: #16A34A;
  --red: #E1493A;
  --red-bg: rgba(225, 73, 58, 0.08);
  --shadow: 0 4px 16px rgba(11, 16, 36, 0.06);

  --input-bg: #F8FAFD;
  --input-placeholder: rgba(11, 16, 36, 0.40);
  --hover-bg: rgba(11, 16, 36, 0.04);
  --chip-bg: #EFF2F8;
  --noise-opacity: 0.10;
  --grid-dot: rgba(11, 16, 36, 0.05);
  --orb-accent-bg: rgba(42, 79, 255, 0.04);
  --orb-purple-bg: rgba(150, 100, 255, 0.02);
}

/* ───── reset ───── */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  position: relative;
  transition: background-color 0.25s ease, color 0.25s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

/* ───── noise overlay (subtle SVG, fixed) ───── */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 9999;
  opacity: var(--noise-opacity);
}

/* ───── ambient orbs (kept for non-landing pages: login, signup, app) ───── */
.orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
.orb-accent {
  width: 500px;
  height: 500px;
  background: var(--orb-accent-bg);
  top: -150px;
  right: -100px;
}
.orb-green {
  width: 350px;
  height: 350px;
  background: var(--orb-purple-bg);
  bottom: -100px;
  left: -100px;
}

/* ───── utility classes ───── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--accent) 0%, #5870FF 100%);
  color: #fff;
  border: none;
  border-radius: 11px;
  padding: 14px 26px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: transform 0.22s var(--ease-spring),
              box-shadow 0.25s var(--ease-soft),
              filter 0.18s ease;
  text-decoration: none;
  letter-spacing: -0.1px;
  box-shadow: 0 4px 14px -4px rgba(42, 79, 255, 0.42);
}
.btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 28px -8px rgba(42, 79, 255, 0.55);
  filter: brightness(1.04);
}
.btn:active {
  transform: scale(0.97);
  box-shadow: 0 2px 8px -2px rgba(42, 79, 255, 0.42);
}
.btn:disabled, .btn[disabled] {
  background: var(--chip-bg);
  color: var(--muted2);
  box-shadow: none;
  cursor: not-allowed;
  filter: grayscale(0.4);
}
.btn.loading {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}
.btn-ghost {
  background: var(--card);
  color: var(--ink);
  border: 1px solid var(--border2);
  box-shadow: none;
}
.btn-ghost:active { transform: scale(0.97); }
.btn-ghost:hover {
  background: var(--card2);
  border-color: var(--border-hover);
  color: var(--ink);
  box-shadow: none;
  transform: translateY(-1px);
}
[data-theme="light"] .btn-ghost {
  background: #FFFFFF;
  border-color: var(--border);
}
[data-theme="light"] .btn-ghost:hover {
  background: var(--bg2);
  border-color: var(--border-hover);
}

.card {
  background: var(--card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px;
  box-shadow: var(--shadow);
}
[data-theme="light"] .card {
  /* solid white instead of glassmorphism */
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}

.input {
  width: 100%;
  background: var(--input-bg);
  border: 1px solid var(--border2);
  border-radius: 11px;
  padding: 14px 16px;
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 500;
  color: var(--ink);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s, background-color 0.2s;
}
[data-theme="light"] .input {
  border-color: var(--border);
}
.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(42, 79, 255, 0.18);
}
[data-theme="light"] .input:focus {
  background: #FFFFFF;
}
.input::placeholder {
  color: var(--input-placeholder);
}

.label {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  color: var(--ink2);
  letter-spacing: -0.1px;
  font-weight: 600;
  margin-bottom: 8px;
}

.mono {
  font-family: var(--font-mono);
}

/* ───── theme toggle button (kept for auth pages) ───── */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: 1px solid var(--border2);
  border-radius: 10px;
  color: var(--ink2);
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 0;
  flex-shrink: 0;
}
.theme-toggle:hover {
  background: var(--hover-bg);
  border-color: var(--accent);
  color: var(--accent);
}
.theme-toggle svg {
  display: block;
}
.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }
[data-theme="light"] .theme-toggle .icon-sun { display: none; }
[data-theme="light"] .theme-toggle .icon-moon { display: block; }

/* sidebar variant — wider, with text label */
.theme-toggle.with-label {
  width: 100%;
  height: auto;
  padding: 9px 12px;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--muted2);
  margin-bottom: 8px;
}
.theme-toggle.with-label .label-dark { display: none; }
.theme-toggle.with-label .label-light { display: inline; }
[data-theme="light"] .theme-toggle.with-label .label-dark { display: inline; }
[data-theme="light"] .theme-toggle.with-label .label-light { display: none; }

/* ───── animations ───── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: none; }
}
@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-10px); }
  to { opacity: 1; transform: none; }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}