/* ================================================================
   WEDDING DESIGN SYSTEM
   shadcn/ui-compatible CSS custom properties + component classes
   Project: Andrika & Aliva — 17 October 2026
   ----------------------------------------------------------------
   Structure
   1.  Design Tokens      — CSS variables (single source of truth)
   2.  Button             — .btn + variants + sizes
   3.  Card               — .card + sub-elements
   4.  Input & Textarea   — .input / .textarea
   5.  Label              — .label
   6.  Badge              — .badge + variants
   7.  Separator          — .separator / .separator-gold
   8.  Avatar             — .avatar + sizes
   9.  Form Field         — .form-field / .form-message
   10. Utility tokens     — colour, shadow, radius helpers
================================================================ */


/* ================================================================
   1. DESIGN TOKENS
   All values in HSL channel notation so Tailwind can compose
   them with opacity modifiers: bg-background/50 etc.
================================================================ */

:root {

  /* ── Semantic palette ──────────────────────────────────────── */

  /* Surfaces */
  --background: 42 47% 96%;
  /* #FAF6EF  parchment     */
  --foreground: 15 16% 15%;
  /* #2C2420  ink           */

  --card: 48 100% 99%;
  /* #FFFDF9  elevated card  */
  --card-foreground: 15 16% 15%;

  --popover: 48 100% 99%;
  --popover-foreground: 15 16% 15%;

  /* Primary action — dark ink, gold text */
  --primary: 15 16% 15%;
  --primary-foreground: 40 57% 77%;
  /* #E8D5A3  gold-light    */

  /* Secondary — warm ivory */
  --secondary: 38 44% 93%;
  /* #F5EFE4                */
  --secondary-foreground: 15 16% 15%;

  /* Muted backgrounds & labels */
  --muted: 36 41% 90%;
  /* #F0E8DA                */
  --muted-foreground: 24 10% 46%;

  /* Accent — champagne gold */
  --accent: 36 45% 61%;
  /* #C9A96E  gold-mid      */
  --accent-foreground: 15 16% 15%;

  /* Destructive / error — dusty rose */
  --destructive: 10 35% 54%;
  /* #B5705E  rose-deep     */
  --destructive-foreground: 42 47% 96%;

  /* Chrome */
  --border: 40 57% 77%;
  /* #E8D5A3  gold-light    */
  --input: 40 57% 77%;
  --ring: 36 45% 61%;
  /* #C9A96E  gold-mid      */

  /* ── Radius scale ──────────────────────────────────────────── */
  --radius: 0.5rem;
  /* 8px — rounded-lg       */
  --radius-sm: 0.25rem;
  --radius-md: 0.25rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* ── Shadow scale ───────────────────────────────────────────── */
  --shadow-sm: 0 1px 4px 0 hsl(15 16% 15% / 0.06);
  --shadow-md: 0 4px 16px 0 hsl(15 16% 15% / 0.08);
  --shadow-lg: 0 8px 32px 0 hsl(15 16% 15% / 0.10);
  --shadow-gold: 0 0 0 3px hsl(36 45% 61% / 0.25);

  /* ── Typography ─────────────────────────────────────────────── */
  --font-display: 'Cormorant Garamond', Georgia, serif;
  --font-body: 'Jost', sans-serif;

  /* Size scale */
  --text-2xs: 0.6rem;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-md: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 1.875rem;
  --text-4xl: 2.25rem;

  /* Line-height */
  --leading-tight: 1.2;
  --leading-snug: 1.4;
  --leading-normal: 1.6;
  --leading-relaxed: 1.75;

  /* Tracking */
  --tracking-tight: -0.02em;
  --tracking-normal: 0em;
  --tracking-wide: 0.05em;
  --tracking-wider: 0.1em;
  --tracking-widest: 0.2em;
  --tracking-label: 0.3em;

  /* ── Spacing scale ──────────────────────────────────────────── */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* ── Transitions ────────────────────────────────────────────── */
  --duration-fast: 150ms;
  --duration-base: 200ms;
  --duration-slow: 350ms;
  --ease-default: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-in: cubic-bezier(0.4, 0, 1, 1);
  --ease-out: cubic-bezier(0, 0, 0.2, 1);

  /* ── Raw palette tokens (direct colour access) ──────────────── */
  --color-parchment: hsl(42 47% 96%);
  --color-ivory: hsl(38 44% 93%);
  --color-card: hsl(48 100% 99%);
  --color-muted-bg: hsl(36 41% 90%);
  --color-ink: hsl(15 16% 15%);
  --color-gold-light: hsl(40 57% 77%);
  --color-gold-mid: hsl(36 45% 61%);
  --color-gold-deep: hsl(35 43% 44%);
  --color-rose-soft: hsl(13 50% 81%);
  --color-rose-muted: hsl(9 44% 69%);
  --color-rose-deep: hsl(10 35% 54%);
  --color-sage-light: hsl(107 11% 84%);

  /* ── WCAG AA-safe text colours (≥4.5:1 on parchment & card) ─── */
  /* gold-mid #C9A96E → 3.18:1  FAIL → darken to 5.83:1 PASS      */
  --text-gold: hsl(35 55% 30%);   /* #7E5922  contrast 5.83:1     */
  /* rose-muted #D4998A → 2.24:1 FAIL → darken to 5.49:1 PASS     */
  --text-rose: hsl(10 38% 36%);   /* #7D4438  contrast 5.49:1     */
  /* sage-mid #9CAF98  → 1.94:1 FAIL → darken to 5.47:1 PASS      */
  --text-sage: hsl(110 18% 32%);  /* #486248  contrast 5.47:1     */
  --color-sage-mid: hsl(112 11% 64%);
}


/* ================================================================
   2. BUTTON
   Base: .btn
   Variants: .btn-default  .btn-outline  .btn-secondary
             .btn-ghost    .btn-destructive
   Sizes:    .btn-sm  .btn-lg  .btn-icon
================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);

  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  white-space: nowrap;
  text-decoration: none;

  min-height: 2.75rem;
  padding: 0.65rem 1.75rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  user-select: none;
  -webkit-tap-highlight-color: transparent;

  transition:
    background var(--duration-base) var(--ease-default),
    color var(--duration-base) var(--ease-default),
    border-color var(--duration-base) var(--ease-default),
    box-shadow var(--duration-base) var(--ease-default);
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--shadow-gold);
}

.btn:disabled {
  opacity: 0.5;
  pointer-events: none;
}

/* Default — dark ink fill, gold foreground */
.btn-default {
  background: hsl(var(--primary));
  color: hsl(var(--primary-foreground));
  border-color: hsl(var(--primary));
}

.btn-default:hover {
  background: hsl(var(--accent));
  border-color: hsl(var(--accent));
  color: hsl(var(--card));
}

/* Outline — transparent fill, gold border */
.btn-outline {
  background: transparent;
  color: hsl(var(--accent));
  border-color: hsl(var(--accent));
}

.btn-outline:hover {
  background: hsl(var(--accent));
  color: hsl(var(--card));
}

/* Secondary — ivory fill */
.btn-secondary {
  background: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  border-color: hsl(var(--border));
}

.btn-secondary:hover {
  background: hsl(var(--muted));
  border-color: hsl(var(--accent));
}

/* Ghost — no background */
.btn-ghost {
  background: transparent;
  color: hsl(var(--foreground));
  border-color: transparent;
}

.btn-ghost:hover {
  background: hsl(var(--muted));
}

/* Destructive — dusty rose */
.btn-destructive {
  background: hsl(var(--destructive));
  color: hsl(var(--destructive-foreground));
  border-color: hsl(var(--destructive));
}

.btn-destructive:hover {
  background: hsl(10 35% 46%);
}

/* ── Size modifiers ── */
.btn-sm {
  min-height: 2.75rem;
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  padding: 0.55rem 1.1rem;
}

.btn-lg {
  font-size: var(--text-xs);
  letter-spacing: 0.35em;
  padding: 0.9rem 2.75rem;
}

.btn-icon {
  padding: 0.6rem;
  width: 2.75rem;
  height: 2.75rem;
}


/* ================================================================
   3. CARD
   Markup pattern:
   <div class="card">
     <div class="card-header">
       <h3 class="card-title">…</h3>
       <p class="card-description">…</p>
     </div>
     <div class="card-content">…</div>
     <div class="card-footer">…</div>
   </div>
================================================================ */

.card {
  background: hsl(var(--card));
  color: hsl(var(--card-foreground));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-6) var(--space-6) 0;
}

.card-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-wide);
  color: hsl(var(--foreground));
}

.card-description {
  font-size: var(--text-sm);
  line-height: var(--leading-normal);
  color: hsl(var(--muted-foreground));
}

.card-content {
  padding: var(--space-6);
}

.card-footer {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0 var(--space-6) var(--space-6);
}


/* ================================================================
   4. INPUT & TEXTAREA
================================================================ */

.input {
  display: flex;
  width: 100%;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 0.6rem 0.875rem;

  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  color: hsl(var(--foreground));
  line-height: 1.5;
  outline: none;

  transition:
    border-color var(--duration-base) var(--ease-default),
    box-shadow var(--duration-base) var(--ease-default);
}

.input::placeholder {
  color: hsl(var(--muted-foreground));
  opacity: 1;
}

.input:focus {
  border-color: hsl(var(--accent));
  box-shadow: var(--shadow-gold);
}

.input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background: hsl(var(--muted));
}

.textarea {
  display: flex;
  width: 100%;
  min-height: 80px;
  resize: vertical;
  background: hsl(var(--background));
  border: 1px solid hsl(var(--border));
  border-radius: var(--radius);
  padding: 0.6rem 0.875rem;

  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 400;
  color: hsl(var(--foreground));
  line-height: 1.5;
  outline: none;

  transition:
    border-color var(--duration-base) var(--ease-default),
    box-shadow var(--duration-base) var(--ease-default);
}

.textarea::placeholder {
  color: hsl(var(--muted-foreground));
  opacity: 1;
}

.textarea:focus {
  border-color: hsl(var(--accent));
  box-shadow: var(--shadow-gold);
}


/* ================================================================
   5. LABEL
================================================================ */

.label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: var(--tracking-label);
  text-transform: uppercase;
  color: var(--text-gold);
  margin-bottom: var(--space-2);
  cursor: default;
  line-height: 1.3;
}


/* ================================================================
   6. BADGE
   Base: .badge
   Variants: .badge-default  .badge-outline  .badge-secondary
             .badge-destructive  .badge-muted
================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  white-space: nowrap;
  line-height: 1.3;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid transparent;
}

.badge-default {
  background: hsl(var(--accent));
  color: hsl(var(--card));
  border-color: hsl(var(--accent));
}

.badge-outline {
  background: transparent;
  color: var(--text-gold);
  border-color: hsl(var(--border));
}

.badge-secondary {
  background: hsl(var(--secondary));
  color: hsl(var(--secondary-foreground));
  border-color: hsl(var(--border));
}

.badge-destructive {
  background: hsl(var(--destructive));
  color: hsl(var(--destructive-foreground));
  border-color: hsl(var(--destructive));
}

.badge-muted {
  background: hsl(var(--muted));
  color: hsl(var(--muted-foreground));
  border-color: transparent;
}


/* ================================================================
   7. SEPARATOR
================================================================ */

/* Plain line */
.separator {
  display: block;
  width: 100%;
  height: 1px;
  background: hsl(var(--border));
  border: none;
  margin: var(--space-4) 0;
}

.separator-vertical {
  display: inline-block;
  width: 1px;
  height: auto;
  align-self: stretch;
  background: hsl(var(--border));
}

/* Gold ornamental separator with diamond */
.separator-gold {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: var(--space-6) auto;
}

.separator-gold::before,
.separator-gold::after {
  content: '';
  flex: 1;
  max-width: 72px;
  height: 1px;
}

.separator-gold::before {
  background: linear-gradient(90deg, transparent, hsl(var(--accent)));
}

.separator-gold::after {
  background: linear-gradient(90deg, hsl(var(--accent)), transparent);
}

/* Optional diamond ornament inside .separator-gold */
.sep-diamond {
  width: 6px;
  height: 6px;
  background: hsl(var(--accent));
  transform: rotate(45deg);
  flex-shrink: 0;
}


/* ================================================================
   8. AVATAR
   Sizes: .avatar-sm  .avatar-md (default)  .avatar-lg
          .avatar-xl  .avatar-2xl
================================================================ */

.avatar {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: hsl(var(--muted));
  border: 2px solid hsl(var(--border));
  flex-shrink: 0;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.avatar-fallback {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  color: hsl(var(--muted-foreground));
  pointer-events: none;
  user-select: none;
}

/* Size variants */
.avatar-sm {
  width: 2rem;
  height: 2rem;
}

.avatar-md {
  width: 3rem;
  height: 3rem;
}

.avatar-lg {
  width: 4rem;
  height: 4rem;
}

.avatar-xl {
  width: 6rem;
  height: 6rem;
  border-width: 3px;
}

.avatar-2xl {
  width: 7.5rem;
  height: 7.5rem;
  border-width: 3px;
}

/* Fallback font scales with avatar size */
.avatar-sm .avatar-fallback {
  font-size: 0.85rem;
}

.avatar-md .avatar-fallback {
  font-size: 1.1rem;
}

.avatar-lg .avatar-fallback {
  font-size: 1.5rem;
}

.avatar-xl .avatar-fallback {
  font-size: 2rem;
}

.avatar-2xl .avatar-fallback {
  font-size: 2.5rem;
}


/* ================================================================
   9. FORM FIELD
   Markup pattern:
   <div class="form-field">
     <label class="label" for="…">…</label>
     <input class="input" id="…" />
     <p class="form-message">Hint or error text</p>
   </div>
================================================================ */

.form-field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-message {
  font-size: var(--text-xs);
  letter-spacing: 0.05em;
  line-height: var(--leading-normal);
  color: hsl(var(--muted-foreground));
}

.form-message-error {
  color: hsl(var(--destructive));
}


/* ================================================================
   10. UTILITY TOKENS
   Single-purpose classes that expose design tokens directly.
   Use these when a Tailwind utility would need a custom value.
================================================================ */

/* ── Colour ── */
.text-token-muted {
  color: hsl(var(--muted-foreground));
}

.text-token-accent {
  color: var(--text-gold);
}

.text-token-destructive {
  color: hsl(var(--destructive));
}

.text-token-primary {
  color: hsl(var(--primary));
}

.bg-token-card {
  background: hsl(var(--card));
}

.bg-token-muted {
  background: hsl(var(--muted));
}

.bg-token-accent {
  background: hsl(var(--accent));
}

.bg-token-secondary {
  background: hsl(var(--secondary));
}

/* ── Border ── */
.border-token {
  border: 1px solid hsl(var(--border));
}

.border-token-accent {
  border: 1px solid hsl(var(--accent));
}

/* ── Shadow ── */
.shadow-token-sm {
  box-shadow: var(--shadow-sm);
}

.shadow-token-md {
  box-shadow: var(--shadow-md);
}

.shadow-token-lg {
  box-shadow: var(--shadow-lg);
}

/* ── Focus ring ── */
.ring-token:focus-visible {
  outline: none;
  box-shadow: var(--shadow-gold);
}

/* ── Radius ── */
.rounded-token {
  border-radius: var(--radius);
}

.rounded-token-md {
  border-radius: var(--radius-md);
}

.rounded-token-lg {
  border-radius: var(--radius-lg);
}

.rounded-token-full {
  border-radius: var(--radius-full);
}

/* ── Transition helpers ── */
.transition-token {
  transition-property: color, background, border-color, box-shadow, opacity, transform;
  transition-timing-function: var(--ease-default);
  transition-duration: var(--duration-base);
}

.transition-token-fast {
  transition-duration: var(--duration-fast);
}

.transition-token-slow {
  transition-duration: var(--duration-slow);
}