/* style.css — African Wedding Palette: Golds, Browns, Cream/Ivory */

/* ============================================
   CUSTOM PALETTE: AFRICAN WEDDING ELEGANCE
   Warm cream surfaces, gold primary accent.
   No dark mode — always light/warm.
   ============================================ */

:root {
  /* --- Type Scale (fluid) --- */
  --text-xs:   clamp(0.75rem,  0.7rem  + 0.25vw, 0.875rem);
  --text-sm:   clamp(0.875rem, 0.8rem  + 0.35vw, 1rem);
  --text-base: clamp(1rem,     0.9rem  + 0.5vw,  1.125rem);
  --text-lg:   clamp(1.125rem, 0.95rem + 0.85vw, 1.5rem);
  --text-xl:   clamp(1.5rem,   1rem    + 1.5vw,  2.25rem);
  --text-2xl:  clamp(2rem,     1.2rem  + 2.5vw,  3.5rem);
  --text-3xl:  clamp(2.5rem,   1rem    + 4vw,    5rem);
  --text-hero: clamp(3rem,     0.5rem  + 7vw,    8rem);

  /* --- 4px Spacing System --- */
  --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;
  --space-32: 8rem;

  /* --- Surfaces (Cream/Ivory) --- */
  --color-bg:              #FDF8F0;
  --color-surface:         #FBF5EA;
  --color-surface-2:       #F9F1E3;
  --color-surface-offset:  #F5EDE0;
  --color-surface-offset-2:#EFE6D5;
  --color-surface-dynamic: #E8DECA;
  --color-divider:         #DDD3BF;
  --color-border:          #D1C5AD;

  /* --- Text (Deep Brown/Black) --- */
  --color-text:            #1A1612;
  --color-text-muted:      #6B5D4E;
  --color-text-faint:      #A99B8A;
  --color-text-inverse:    #FDF8F0;

  /* --- Primary Accent (Rich Gold) --- */
  --color-primary:         #C5963A;
  --color-primary-hover:   #A87D2F;
  --color-primary-active:  #8B6523;
  --color-primary-highlight: #F5DB9D;

  /* --- Secondary (Deep Brown) --- */
  --color-secondary:       #5C3A1E;
  --color-secondary-hover: #3B2415;
  --color-secondary-active:#2A1A0F;

  /* --- Semantic: Error --- */
  --color-error:           #A13544;
  --color-error-hover:     #882C39;
  --color-error-highlight: #F5E0E3;

  /* --- Semantic: Success --- */
  --color-success:         #437A22;
  --color-success-highlight:#E2F0D8;

  /* --- Radius --- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Shadows (warm-tinted) --- */
  --shadow-sm: 0 1px 2px oklch(0.25 0.03 70 / 0.08);
  --shadow-md: 0 4px 12px oklch(0.25 0.03 70 / 0.10);
  --shadow-lg: 0 12px 32px oklch(0.25 0.03 70 / 0.14);
  --shadow-gold: 0 4px 20px oklch(0.65 0.12 80 / 0.20);

  /* --- Content widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
  --content-full: 100%;

  /* --- Font families --- */
  --font-display: 'Cormorant Garamond', 'Georgia', serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;
}

/* ============================================
   KENTE PATTERN (decorative SVG inline)
   ============================================ */
:root {
  --kente-pattern: url("data:image/svg+xml,%3Csvg width='40' height='40' viewBox='0 0 40 40' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M0 0h10v10H0zm20 0h10v10H20zm10 10h10v10H30zM10 10h10v10H10zM0 20h10v10H0zm20 20h10v10H20zm-10-10h10v10H10zm20 0h10v10H30z' fill='%23C5963A' fill-opacity='0.06'/%3E%3C/svg%3E");
  --kente-border: url("data:image/svg+xml,%3Csvg width='20' height='4' viewBox='0 0 20 4' xmlns='http://www.w3.org/2000/svg'%3E%3Crect x='0' y='0' width='4' height='4' fill='%23C5963A' opacity='0.4'/%3E%3Crect x='5' y='0' width='4' height='4' fill='%23D4A94E' opacity='0.3'/%3E%3Crect x='10' y='0' width='4' height='4' fill='%235C3A1E' opacity='0.25'/%3E%3Crect x='15' y='0' width='4' height='4' fill='%23C5963A' opacity='0.35'/%3E%3C/svg%3E");
}

/* ============================================
   COMPONENT STYLES
   ============================================ */

/* Container */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

.container--narrow {
  max-width: var(--content-narrow);
}

.container--wide {
  max-width: var(--content-wide);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition-interactive),
              color var(--transition-interactive),
              box-shadow var(--transition-interactive),
              transform var(--transition-interactive),
              border-color var(--transition-interactive);
  text-decoration: none;
  line-height: 1.4;
  min-height: 44px;
}

.btn:active {
  transform: translateY(0);
}

.btn--primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn--primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-gold);
}
.btn--primary:active {
  background: var(--color-primary-active);
}

.btn--secondary {
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  border-color: var(--color-secondary);
}
.btn--secondary:hover {
  background: var(--color-secondary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn--outline:hover {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}
.btn--ghost:hover {
  background: var(--color-surface-offset);
  color: var(--color-text);
}

.btn--danger {
  background: var(--color-error);
  color: var(--color-text-inverse);
  border-color: var(--color-error);
}
.btn--danger:hover {
  background: var(--color-error-hover);
  transform: translateY(-1px);
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
  min-height: 36px;
}

.btn--lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--text-lg);
  min-height: 52px;
}

.btn--icon {
  padding: var(--space-2);
  min-width: 44px;
  min-height: 44px;
}

/* Cards */
.card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}

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

.card--gold {
  border-color: oklch(from var(--color-primary) l c h / 0.25);
  background: linear-gradient(135deg, var(--color-surface), color-mix(in oklch, var(--color-primary) 4%, var(--color-surface)));
}

/* Inputs */
.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.input-label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
}

.input {
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-base);
  color: var(--color-text);
  transition: border-color var(--transition-interactive),
              box-shadow var(--transition-interactive);
  min-height: 44px;
}

.input::placeholder {
  color: var(--color-text-faint);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px oklch(from var(--color-primary) l c h / 0.15);
}

.input--lg {
  padding: var(--space-4) var(--space-6);
  font-size: var(--text-lg);
  min-height: 56px;
}

/* Badge / Chip */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  background: var(--color-primary-highlight);
  color: var(--color-primary-active);
  letter-spacing: 0.02em;
}

.badge--gold {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-hover));
  color: var(--color-text-inverse);
}

/* Dividers */
.divider {
  height: 1px;
  background: var(--color-divider);
  border: none;
  margin: var(--space-6) 0;
}

.divider--kente {
  height: 4px;
  background: var(--kente-border);
  background-size: 20px 4px;
  opacity: 0.7;
}

/* Gold decorative line */
.gold-line {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  color: var(--color-primary);
}
.gold-line::before,
.gold-line::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

/* Tables */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
}
.data-table th {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface-offset);
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border-bottom: 2px solid var(--color-divider);
}
.data-table td {
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text);
}
.data-table tbody tr {
  transition: background var(--transition-interactive);
}
.data-table tbody tr:hover {
  background: var(--color-surface-offset);
}

/* Kente accent background */
.kente-bg {
  background-image: var(--kente-pattern);
  background-repeat: repeat;
}

/* Gold frame */
.gold-frame {
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  position: relative;
}
.gold-frame::before {
  content: '';
  position: absolute;
  inset: 3px;
  border: 1px solid oklch(from var(--color-primary) l c h / 0.3);
  border-radius: calc(var(--radius-lg) - 3px);
  pointer-events: none;
}

/* Modal/overlay */
.overlay {
  position: fixed;
  inset: 0;
  background: oklch(from var(--color-text) l c h / 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
  opacity: 0;
  visibility: hidden;
  transition: opacity 300ms cubic-bezier(0.16, 1, 0.3, 1),
              visibility 300ms;
}
.overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--color-bg);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: min(90vw, 500px);
  width: 100%;
  box-shadow: var(--shadow-lg);
  transform: scale(0.95);
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
}
.overlay.active .modal {
  transform: scale(1);
}

/* Stat card */
.stat-card {
  background: var(--color-surface);
  border: 1px solid oklch(from var(--color-text) l c h / 0.08);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-5);
  text-align: center;
}
.stat-card__value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-primary);
  line-height: 1.2;
}
.stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-top: var(--space-1);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scaleIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes shimmer {
  0% { background-position: -200% 0; }
  100% { background-position: 200% 0; }
}

@keyframes goldPulse {
  0%, 100% { box-shadow: 0 0 0 0 oklch(from var(--color-primary) l c h / 0.3); }
  50% { box-shadow: 0 0 20px 4px oklch(from var(--color-primary) l c h / 0.15); }
}

.anim-fade-in {
  animation: fadeIn 500ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.anim-scale-in {
  animation: scaleIn 500ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

.anim-slide-up {
  animation: slideUp 500ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

/* Skeleton loading */
.skeleton {
  background: linear-gradient(90deg,
    var(--color-surface-offset) 25%,
    var(--color-surface) 50%,
    var(--color-surface-offset) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

/* Responsive visibility */
@media (max-width: 767px) {
  .hide-mobile { display: none !important; }
}
@media (min-width: 768px) {
  .hide-desktop { display: none !important; }
}

/* Checkbox style */
.checkbox-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
  min-height: 44px;
}
.checkbox-row input[type="checkbox"] {
  width: 20px;
  height: 20px;
  accent-color: var(--color-primary);
  cursor: pointer;
}

/* Toast notification */
.toast {
  position: fixed;
  bottom: var(--space-6);
  left: 50%;
  transform: translateX(-50%) translateY(100px);
  background: var(--color-secondary);
  color: var(--color-text-inverse);
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  transition: transform 300ms cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}
.toast.visible {
  transform: translateX(-50%) translateY(0);
}