/**
 * ZANTARA Design System v4
 * Extracted from /Desktop/webza design
 * Adapted for vanilla HTML/CSS/JS (no Tailwind)
 *
 * Color Palette: Gold (#BFAA7E) + Black (#0C0C0C)
 * Typography: Cormorant Garamond (serif) + SF Pro Display (sans-serif)
 * Effects: Glassmorphism, smooth animations
 */

/* ============================================
   1. CSS RESET & BASE
   ============================================ */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  background: #0c0c0c !important; /* PURE BLACK FORCED */
  color: rgba(255, 255, 255, 0.92);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI',
               'Roboto', 'Helvetica Neue', sans-serif;
  line-height: 1.6;
}

html {
  background: #0c0c0c !important; /* PURE BLACK FORCED */
}

/* ============================================
   2. CSS VARIABLES
   ============================================ */

:root {
  /* --- COLORS --- */

  /* Gold Palette */
  --zantara-gold: #bfaa7e;
  --zantara-gold-dim: rgba(191, 170, 126, 0.6);
  --zantara-gold-bright: #d4af8f;
  --zantara-gold-light: rgba(191, 170, 126, 0.15);

  /* Background */
  --zantara-bg: #0c0c0c;
  --zantara-bg-light: #1a1a1a;

  /* Text */
  --zantara-white: rgba(255, 255, 255, 0.92);
  --zantara-text-secondary: rgba(255, 255, 255, 0.7);
  --zantara-text-tertiary: rgba(255, 255, 255, 0.4);
  --zantara-text-disabled: rgba(255, 255, 255, 0.35);

  /* Surface */
  --zantara-surface: rgba(255, 255, 255, 0.03);
  --zantara-surface-hover: rgba(255, 255, 255, 0.06);
  --zantara-surface-active: rgba(255, 255, 255, 0.08);

  /* Border */
  --zantara-border: rgba(191, 170, 126, 0.2);
  --zantara-border-light: rgba(191, 170, 126, 0.15);
  --zantara-border-strong: rgba(191, 170, 126, 0.3);
  --zantara-border-hover: rgba(191, 170, 126, 0.5);

  /* Accent */
  --zantara-accent: #bfaa7e;
  --zantara-accent-hover: #d4af8f;

  /* Status */
  --zantara-error: #a84c37;
  --zantara-success: #4a9b6f;
  --zantara-warning: #c4a25c;

  /* --- TYPOGRAPHY --- */

  /* Font Families */
  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-sans: -apple-system, BlinkMacSystemFont, 'SF Pro Display',
               'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
  --font-mono: 'SF Mono', Consolas, 'Courier New', monospace;

  /* Font Sizes */
  --text-xs: 0.6875rem;    /* 11px */
  --text-sm: 0.8125rem;    /* 13px */
  --text-base: 1rem;       /* 16px */
  --text-lg: 1.125rem;     /* 18px */
  --text-xl: 1.25rem;      /* 20px */
  --text-2xl: 1.5rem;      /* 24px */
  --text-3xl: 1.875rem;    /* 30px */
  --text-4xl: 2.25rem;     /* 36px */

  /* Font Weights */
  --weight-normal: 400;
  --weight-medium: 500;
  --weight-semibold: 600;
  --weight-bold: 700;

  /* Line Heights */
  --leading-tight: 1.25;
  --leading-normal: 1.5;
  --leading-relaxed: 1.6;
  --leading-loose: 1.75;

  /* Letter Spacing */
  --tracking-tight: -0.01em;
  --tracking-normal: 0;
  --tracking-wide: 0.02em;
  --tracking-wider: 0.05em;
  --tracking-widest: 0.1em;

  /* --- SPACING --- */

  --space-1: 0.25rem;   /* 4px */
  --space-2: 0.5rem;    /* 8px */
  --space-3: 0.75rem;   /* 12px */
  --space-4: 1rem;      /* 16px */
  --space-5: 1.25rem;   /* 20px */
  --space-6: 1.5rem;    /* 24px */
  --space-8: 2rem;      /* 32px */
  --space-10: 2.5rem;   /* 40px */
  --space-12: 3rem;     /* 48px */
  --space-16: 4rem;     /* 64px */
  --space-20: 5rem;     /* 80px */

  /* --- RADIUS --- */

  --radius-sm: 0.375rem;   /* 6px */
  --radius-md: 0.5rem;     /* 8px */
  --radius-lg: 0.625rem;   /* 10px */
  --radius-xl: 0.75rem;    /* 12px */
  --radius-full: 9999px;

  /* --- SHADOWS --- */

  --shadow-sm: 0 1px 2px rgba(191, 170, 126, 0.1);
  --shadow-md: 0 2px 4px rgba(191, 170, 126, 0.15);
  --shadow-lg: 0 4px 8px rgba(191, 170, 126, 0.2);
  --shadow-xl: 0 8px 16px rgba(191, 170, 126, 0.25);
  --shadow-glow: 0 0 6px rgba(191, 170, 126, 0.3);

  /* --- TRANSITIONS --- */

  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slower: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* --- Z-INDEX --- */

  --z-base: 1;
  --z-dropdown: 10;
  --z-sticky: 20;
  --z-fixed: 30;
  --z-modal: 40;
  --z-popover: 50;
  --z-tooltip: 60;
}

/* ============================================
   3. TYPOGRAPHY UTILITIES
   ============================================ */

.text-xs { font-size: var(--text-xs); }
.text-sm { font-size: var(--text-sm); }
.text-base { font-size: var(--text-base); }
.text-lg { font-size: var(--text-lg); }
.text-xl { font-size: var(--text-xl); }
.text-2xl { font-size: var(--text-2xl); }
.text-3xl { font-size: var(--text-3xl); }
.text-4xl { font-size: var(--text-4xl); }

.font-normal { font-weight: var(--weight-normal); }
.font-medium { font-weight: var(--weight-medium); }
.font-semibold { font-weight: var(--weight-semibold); }
.font-bold { font-weight: var(--weight-bold); }

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

.leading-tight { line-height: var(--leading-tight); }
.leading-normal { line-height: var(--leading-normal); }
.leading-relaxed { line-height: var(--leading-relaxed); }
.leading-loose { line-height: var(--leading-loose); }

.tracking-tight { letter-spacing: var(--tracking-tight); }
.tracking-normal { letter-spacing: var(--tracking-normal); }
.tracking-wide { letter-spacing: var(--tracking-wide); }
.tracking-wider { letter-spacing: var(--tracking-wider); }
.tracking-widest { letter-spacing: var(--tracking-widest); }

/* Text Colors */
.text-gold { color: var(--zantara-gold); }
.text-white { color: var(--zantara-white); }
.text-secondary { color: var(--zantara-text-secondary); }
.text-tertiary { color: var(--zantara-text-tertiary); }
.text-disabled { color: var(--zantara-text-disabled); }

/* ============================================
   4. ANIMATIONS
   ============================================ */

@keyframes pulse {
  0%, 100% {
    opacity: 0.3;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.2);
  }
}

@keyframes wave {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-10px);
  }
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

@keyframes slideInFromBottom {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* Animation Classes */
.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-wave {
  animation: wave 1.5s ease-in-out infinite;
}

.animate-slideUp {
  animation: slideUp 0.4s ease-out;
}

.animate-fadeIn {
  animation: fadeIn 0.3s ease-out;
}

.animate-slideInFromBottom {
  animation: slideInFromBottom 0.3s ease-out;
}

.animate-scaleIn {
  animation: scaleIn 0.2s ease-out;
}

/* ============================================
   5. SCROLLBAR STYLING
   ============================================ */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--zantara-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--zantara-gold-dim);
}

/* Firefox scrollbar */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--zantara-border) transparent;
}

.scrollbar-hide {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.scrollbar-hide::-webkit-scrollbar {
  display: none;
}

/* ============================================
   6. UTILITY CLASSES
   ============================================ */

/* Display */
.hidden { display: none; }
.block { display: block; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Flexbox */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/* Sizing */
.w-full { width: 100%; }
.h-full { height: 100%; }
.min-h-screen { min-height: 100vh; }
.max-w-2xl { max-width: 42rem; }
.max-w-lg { max-width: 32rem; }

/* Spacing */
.p-2 { padding: var(--space-2); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }
.px-4 { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-5 { padding-left: var(--space-5); padding-right: var(--space-5); }
.px-6 { padding-left: var(--space-6); padding-right: var(--space-6); }
.py-2 { padding-top: var(--space-2); padding-bottom: var(--space-2); }
.py-3 { padding-top: var(--space-3); padding-bottom: var(--space-3); }
.py-4 { padding-top: var(--space-4); padding-bottom: var(--space-4); }
.pt-8 { padding-top: var(--space-8); }
.pb-8 { padding-bottom: var(--space-8); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mb-2 { margin-bottom: var(--space-2); }

/* Border Radius */
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: var(--radius-full); }

/* Opacity */
.opacity-35 { opacity: 0.35; }
.opacity-60 { opacity: 0.6; }
.opacity-92 { opacity: 0.92; }
.opacity-95 { opacity: 0.95; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-auto { overflow-y: auto; }

/* Cursor */
.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

/* Transitions */
.transition-all { transition: all var(--transition-base); }
.transition-colors { transition: color var(--transition-base),
                                background-color var(--transition-base),
                                border-color var(--transition-base); }

/* ============================================
   7. COMPONENT PATTERNS
   ============================================ */

/* Glass Surface */
.glass-surface {
  background: var(--zantara-surface);
  border: 1px solid var(--zantara-border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.glass-surface-hover {
  background: var(--zantara-surface-hover);
  border: 1px solid var(--zantara-border-hover);
}

/* Gold Border Accent */
.border-accent-left {
  border-left: 2px solid var(--zantara-gold);
}

.border-accent-bottom {
  border-bottom: 1.5px solid var(--zantara-gold);
}

/* Focus Ring */
.focus-ring:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(191, 170, 126, 0.1);
}

/* Button Base */
.btn-base {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: all var(--transition-base);
  border: 1px solid transparent;
}

.btn-base:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Button Primary (Gold) */
.btn-primary {
  background: var(--zantara-gold);
  color: var(--zantara-bg);
  border-color: var(--zantara-gold);
}

.btn-primary:hover:not(:disabled) {
  background: var(--zantara-gold-bright);
  transform: scale(1.02);
}

.btn-primary:active:not(:disabled) {
  transform: scale(0.98);
}

/* Button Secondary (Outline) */
.btn-secondary {
  background: var(--zantara-surface);
  color: var(--zantara-gold);
  border-color: var(--zantara-border);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--zantara-surface-hover);
  border-color: var(--zantara-border-hover);
  box-shadow: var(--shadow-md);
}

/* Input Base */
.input-base {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--zantara-surface);
  border: 1px solid var(--zantara-border);
  border-radius: var(--radius-lg);
  color: var(--zantara-white);
  font-family: var(--font-sans);
  font-size: var(--text-base);
  transition: all var(--transition-base);
}

.input-base::placeholder {
  color: var(--zantara-text-tertiary);
}

.input-base:focus {
  outline: none;
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--zantara-border-hover);
  box-shadow: 0 0 0 3px rgba(191, 170, 126, 0.1);
}

/* ============================================
   8. RESPONSIVE UTILITIES
   ============================================ */

@media (max-width: 640px) {
  html {
    font-size: 14px;
  }

  .sm\:hidden {
    display: none;
  }

  .sm\:text-sm {
    font-size: var(--text-sm);
  }

  .sm\:px-4 {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }
}

@media (min-width: 768px) {
  .md\:px-8 {
    padding-left: var(--space-8);
    padding-right: var(--space-8);
  }

  .md\:text-base {
    font-size: var(--text-base);
  }
}

/* ============================================
   9. ACCESSIBILITY
   ============================================ */

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--zantara-gold);
  outline-offset: 2px;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --zantara-border: rgba(191, 170, 126, 0.5);
    --zantara-text-tertiary: rgba(255, 255, 255, 0.6);
  }
}

/* ============================================
   10. PRINT STYLES
   ============================================ */

@media print {
  body {
    background: white;
    color: black;
  }

  .no-print {
    display: none !important;
  }
}