/* Fonts — Mukta (UI), Noto Serif Devanagari (display), Noto Sans Devanagari (doc) */
@import url('https://fonts.googleapis.com/css2?family=Mukta:wght@400;500;600;700&family=Noto+Sans+Devanagari:wght@400;500;600&family=Noto+Serif+Devanagari:wght@500;700&display=swap');

:root {
  /* ==========================================
     COLOR TOKENS — warm paper base, crimson actions,
     Himalayan blue info, saffron value accents
     ========================================== */
  --color-cream:      #faf6f0;
  --color-cream-deep: #f1ebe0;
  --color-paper:      #fffcf7;

  --color-crimson-50:  #fdf2f4;
  --color-crimson-100: #fbe3e7;
  --color-crimson-200: #f7cdd4;
  --color-crimson-300: #f0a8b4;
  --color-crimson-400: #e57388;
  --color-crimson-500: #d4395a;
  --color-crimson-600: #b8254a;
  --color-crimson-700: #9f1239;
  --color-crimson-800: #7d0e2e;
  --color-crimson-900: #5c0a22;

  --color-himal-50:  #f0f5fa;
  --color-himal-100: #dde8f3;
  --color-himal-200: #bcd0e8;
  --color-himal-300: #8fb1d6;
  --color-himal-400: #5d8dbf;
  --color-himal-500: #3a6ca3;
  --color-himal-600: #2c5489;
  --color-himal-700: #234270;
  --color-himal-800: #1c3556;
  --color-himal-900: #142940;

  --color-saffron-50:  #fef8ed;
  --color-saffron-100: #fdeec6;
  --color-saffron-200: #fbd98a;
  --color-saffron-300: #f8be4d;
  --color-saffron-400: #f3a016;
  --color-saffron-500: #e5850a;
  --color-saffron-600: #c26600;
  --color-saffron-700: #994e00;
  --color-saffron-800: #7a3e00;
  --color-saffron-900: #5c2f00;

  --color-ink:      #2a1f1a;
  --color-ink-soft: #5c4a3e;
  --color-muted:    #8a7568;
  --color-line:     #e6dccf;

  /* warm green for "resolved/ok" — keeps status legible without
     fighting the warm paper palette */
  --color-leaf-50:  #f0f6ec;
  --color-leaf-700: #2d7a3c;

  /* ==========================================
     FONT TOKENS
     ========================================== */
  --font-sans:    'Mukta', 'Inter', system-ui, -apple-system, sans-serif;
  --font-serif:   'Noto Serif Devanagari', 'Mukta', Georgia, serif;
  --font-display: 'Noto Serif Devanagari', 'Mukta', Georgia, serif;

  /* ==========================================
     SHADOWS — warm, low-contrast, never pure black
     ========================================== */
  --shadow-soft: 0 1px 3px rgba(60, 30, 10, 0.04), 0 4px 12px rgba(60, 30, 10, 0.05);
  --shadow-lift: 0 4px 8px rgba(60, 30, 10, 0.05), 0 12px 28px rgba(60, 30, 10, 0.08);
  --shadow-glow: 0 0 0 4px rgba(159, 18, 57, 0.08), 0 8px 24px rgba(159, 18, 57, 0.15);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  /* ==========================================
     BACKWARD-COMPAT ALIASES — every existing var(--primary),
     var(--bg), var(--card) etc. keeps working unchanged.
     ========================================== */
  --primary:        var(--color-crimson-600);
  --primary-ink:    #ffffff;
  --primary-soft:   var(--color-crimson-50);
  --bg:             var(--color-cream);
  --card:           var(--color-paper);
  --ink:            var(--color-ink);
  --muted:          var(--color-muted);
  --line:           var(--color-line);
  --danger:         var(--color-crimson-700);
  --ok:             var(--color-leaf-700);
  --warn-bg:        var(--color-saffron-50);
  --warn-line:      var(--color-saffron-200);
  --radius:         var(--radius-lg);
  --shadow:         var(--shadow-soft);

  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

/* ==========================================
   GLOBAL BASE
   ========================================== */
body {
  margin: 0;
  padding: 0;
  font-family: var(--font-sans);
  background: var(--color-cream);
  color: var(--color-ink);
  font-size: 16px;
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* Subtle paper-like radial gradients — stable on scroll */
  background-image:
    radial-gradient(circle at 20% 10%, rgba(159, 18, 57, 0.04), transparent 60%),
    radial-gradient(circle at 80% 90%, rgba(229, 133, 10, 0.05), transparent 60%);
  background-attachment: fixed;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

main.container { flex: 1; width: 100%; }
.container { max-width: 980px; margin: 0 auto; padding: 28px 20px 56px; }

a { color: inherit; text-decoration: none; }
p { margin: 0; }

/* ==========================================
   NAVBAR
   ========================================== */
.navbar {
  display: flex; align-items: center; gap: 20px;
  padding: 12px 24px; background: var(--color-paper);
  border-bottom: 1px solid var(--color-line); position: sticky; top: 0; z-index: 20;
  box-shadow: var(--shadow-soft);
}
.nav-brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--color-ink); font-weight: 700;
  font-family: var(--font-display);
}
.brand-mark {
  width: 34px; height: 34px; border-radius: var(--radius-md);
  background: linear-gradient(135deg, var(--color-crimson-600), var(--color-crimson-700));
  color: #fff;
  display: grid; place-items: center; font-size: 13px;
  box-shadow: 0 2px 6px rgba(159, 18, 57, 0.25);
}
.nav-links { display: flex; gap: 6px; flex: 1; flex-wrap: wrap; }
.nav-link {
  padding: 8px 14px; border-radius: var(--radius-md); text-decoration: none;
  color: var(--color-ink-soft); font-weight: 600; font-size: 14px;
  transition: background 200ms, color 200ms;
}
.nav-link:hover { background: var(--color-cream-deep); color: var(--color-crimson-700); }
.nav-link.active { background: var(--color-crimson-50); color: var(--color-crimson-700); }
.nav-auth { display: flex; align-items: center; gap: 12px; }
.nav-user { font-size: 13px; color: var(--color-muted); max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ==========================================
   FOOTER
   ========================================== */
.footer { border-top: 1px solid var(--color-line); background: var(--color-paper); }
.footer-inner {
  max-width: 980px; margin: 0 auto; padding: 18px 20px;
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  color: var(--color-muted); font-size: 13px;
}

/* ==========================================
   TYPOGRAPHY
   ========================================== */
h1 { font-size: 22px; margin: 0 0 6px; font-family: var(--font-display); line-height: 1.2; color: var(--color-ink); }
h2 { font-size: 16px; margin: 0 0 12px; font-family: var(--font-display); line-height: 1.2; color: var(--color-ink); }
.display-heading { line-height: 1.15; }
.muted { color: var(--color-muted); }
.small { font-size: 13px; }
.error-text { color: var(--color-crimson-700); font-size: 14px; min-height: 18px; margin: 6px 0; }
.req { color: var(--color-crimson-700); }

/* ==========================================
   CARDS — paper surface, soft shadow, optional lift on hover
   ========================================== */
.card {
  background: var(--color-paper); border: 1px solid var(--color-line);
  border-radius: var(--radius-xl); box-shadow: var(--shadow-soft);
  padding: 24px; margin-bottom: 20px;
}
.card.center { max-width: 520px; margin: 48px auto; text-align: center; }
.card-lift { transition: transform 300ms, box-shadow 300ms; }
.card-lift:hover { transform: translateY(-3px); box-shadow: var(--shadow-lift); }
.page-head { margin: 4px 0 18px; }

/* ==========================================
   FORMS
   ========================================== */
.field { display: block; margin-bottom: 14px; }
.field > span { display: block; font-size: 14px; font-weight: 600; margin-bottom: 6px; color: var(--color-ink-soft); }
.input, input, select, textarea {
  width: 100%; padding: 10px 14px; border: 1px solid var(--color-line);
  border-radius: var(--radius-md); font: inherit; background: var(--color-paper); color: var(--color-ink);
  transition: border-color 200ms, box-shadow 200ms;
}
input::placeholder, textarea::placeholder { color: var(--color-muted); }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--color-crimson-500);
  box-shadow: 0 0 0 4px var(--color-crimson-50);
}
.label {
  display: block; font-size: 14px; font-weight: 600;
  color: var(--color-ink-soft); margin-bottom: 6px;
}
.form-section {
  margin-top: 18px; padding-top: 14px; border-top: 1px dashed var(--color-line);
  color: var(--color-muted); font-size: 13px; text-transform: uppercase; letter-spacing: .6px;
}
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 16px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 0 16px; }
@media (max-width: 640px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }

/* ==========================================
   BUTTONS — crimson primary, paper secondary, ghost, gold
   ========================================== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  border: 1px solid transparent; border-radius: var(--radius-md);
  padding: 10px 18px; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
  transition: transform 200ms, box-shadow 200ms, background 200ms, border-color 200ms, color 200ms;
}
.btn:focus-visible { outline: 2px solid var(--color-crimson-400); outline-offset: 2px; }

.btn-primary {
  background: linear-gradient(135deg, var(--color-crimson-600), var(--color-crimson-700));
  color: #fff;
  box-shadow: 0 2px 6px rgba(159, 18, 57, 0.25);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 4px 10px rgba(159, 18, 57, 0.35); filter: brightness(1.05); }

.btn-secondary {
  background: var(--color-paper);
  color: var(--color-ink);
  border-color: var(--color-line);
  box-shadow: var(--shadow-soft);
}
.btn-secondary:hover { border-color: var(--color-crimson-400); color: var(--color-crimson-700); }

.btn-ghost {
  background: transparent;
  color: var(--color-ink-soft);
}
.btn-ghost:hover { background: var(--color-cream-deep); color: var(--color-crimson-700); }

.btn-gold {
  background: linear-gradient(135deg, var(--color-saffron-500), var(--color-saffron-600));
  color: #fff;
  box-shadow: 0 2px 6px rgba(229, 133, 10, 0.25);
}
.btn-gold:hover { transform: translateY(-1px); box-shadow: 0 4px 10px rgba(229, 133, 10, 0.35); filter: brightness(1.05); }

.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: 0.5; cursor: not-allowed; }

/* ==========================================
   EYEBROW (small uppercase label)
   ========================================== */
.eyebrow {
  display: inline-flex; align-items: center; gap: 0.375rem;
  font-size: 11px; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--color-crimson-700);
}

/* ==========================================
   CHIPS — backward-compat names mapped to new palette
   ========================================== */
.chip {
  display: inline-flex; align-items: center; gap: 0.375rem;
  padding: 2px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600;
  background: var(--color-crimson-50); color: var(--color-crimson-700); margin-left: 6px;
}
.chip-neutral, .chip-locked { background: var(--color-cream-deep); color: var(--color-ink-soft); }
.chip-pending, .chip-gold { background: var(--color-saffron-50); color: var(--color-saffron-700); margin-left: 0; }
.chip-approved, .chip-crimson { background: var(--color-crimson-50); color: var(--color-crimson-700); margin-left: 0; }
.chip-rejected { background: var(--color-crimson-100); color: var(--color-crimson-800); margin-left: 0; }
.chip-himal { background: var(--color-himal-50); color: var(--color-himal-700); margin-left: 0; }

/* ==========================================
   BANNERS
   ========================================== */
.banner { padding: 12px 14px; border-radius: var(--radius-md); margin-bottom: 14px; font-size: 14px; }
.banner-warn { background: var(--color-saffron-50); border: 1px solid var(--color-saffron-200); color: var(--color-saffron-800); }

/* ==========================================
   DETAIL LIST & HISTORY
   ========================================== */
.detail-list { margin: 0; }
.detail-list > div {
  display: flex; justify-content: space-between; gap: 16px;
  padding: 8px 0; border-bottom: 1px dashed var(--color-line); font-size: 14px;
}
.detail-list > div:last-child { border-bottom: 0; }
.detail-list dt { color: var(--color-muted); }
.detail-list dd { margin: 0; font-weight: 600; text-align: right; overflow-wrap: anywhere; }

.history-item { border: 1px solid var(--color-line); border-radius: var(--radius-md); padding: 14px; margin-bottom: 12px; }
.history-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 8px; }
.history-date { color: var(--color-muted); font-size: 13px; }
.diff-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.diff-table th, .diff-table td { text-align: left; padding: 6px 8px; border-top: 1px dashed var(--color-line); }
.diff-table th { color: var(--color-muted); font-weight: 600; }
.diff-old { color: var(--color-crimson-700); text-decoration: line-through; }
.diff-new { color: var(--color-leaf-700); }
.empty { color: var(--color-muted); font-size: 14px; }

/* ==========================================
   PAGE SECTIONS / TABS
   ========================================== */
.page-section { display: none; }
.page-section.active { display: block; }

.auth-tabs { display: flex; gap: 8px; justify-content: center; margin: 16px 0; }
.tab {
  border: 1px solid var(--color-line); background: var(--color-paper); border-radius: 999px;
  padding: 8px 16px; font: inherit; font-size: 14px; cursor: pointer;
  transition: background 200ms, border-color 200ms, color 200ms;
}
.tab.active { background: var(--color-crimson-50); border-color: var(--color-crimson-400); color: var(--color-crimson-700); font-weight: 600; }

/* ==========================================
   SPINNER
   ========================================== */
.spinner {
  width: 34px; height: 34px; margin: 8px auto 14px; border-radius: 50%;
  border: 3px solid var(--color-cream-deep); border-top-color: var(--color-crimson-500);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ==========================================
   TOAST
   ========================================== */
.toast {
  position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%);
  background: var(--color-ink); color: var(--color-paper); padding: 10px 18px;
  border-radius: 999px; font-size: 14px; box-shadow: var(--shadow-lift); z-index: 50;
  animation: fade-up 0.4s ease-out;
}
.toast.error { background: var(--color-crimson-700); color: #fff; }

/* ==========================================
   ANIMATIONS
   ========================================== */
@keyframes fade-in        { from { opacity: 0; } to { opacity: 1; } }
@keyframes fade-up        { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes float          { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
@keyframes shimmer        { 0% { background-position: 0% 50%; } 100% { background-position: 200% 50%; } }
@keyframes slide-in-right { from { transform: translateX(100%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

.fade-in { animation: fade-in 0.5s ease-out; }
.fade-up { animation: fade-up 0.6s ease-out; }

/* ==========================================
   DECORATIVE — subtle mandala dot pattern + shimmer text
   ========================================== */
.bg-mandala {
  background-image: radial-gradient(var(--color-crimson-200) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.4;
}
.shimmer-text {
  background: linear-gradient(90deg, var(--color-crimson-600), var(--color-saffron-500), var(--color-crimson-600));
  background-size: 200% 100%;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: shimmer 2.4s linear infinite;
}

/* ==========================================
   SCROLLBAR — 10px crimson-tinted
   ========================================== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--color-cream-deep); }
::-webkit-scrollbar-thumb {
  background: var(--color-crimson-200);
  border: 2px solid var(--color-cream-deep);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover { background: var(--color-crimson-400); }

/* ==========================================
   REDUCED MOTION
   ========================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .spinner { animation: none; }
}