/* =============================================
   FINCAN - Design System & Core Styles
   ============================================= */

/* CSS Custom Properties (Design Tokens) */
:root {
  /* Primary Colors */
  --gold-accent: #C8A464;
  --gold-accent-rgb: 200, 164, 100;
  --espresso: #2F2622;
  --espresso-rgb: 47, 38, 34;
  
  /* Background Colors */
  --bg-light: #F5EFE6;
  --bg-dark: #2F2622;
  --card-bg-light: #FFFFFF;
  --card-bg-dark: #3C322E;
  
  /* Text Colors */
  --text-primary-light: #2F2622;
  --text-primary-dark: #F5EFE6;
  --text-secondary: #A08C83;
  --milky-coffee: #A08C83;
  --latte-foam: #F5EFE6;
  
  /* Theme Colors */
  --love-color: #E3667F;
  --career-color: #19647E;
  --health-color: #4CAF50;
  
  /* Spacing */
  --spacing-xxxs: 4px;
  --spacing-xxs: 8px;
  --spacing-xs: 12px;
  --spacing-sm: 16px;
  --spacing-md: 24px;
  --spacing-lg: 32px;
  --spacing-xl: 40px;
  --spacing-xxl: 48px;
  
  /* Border Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  
  /* Typography */
  --font-display: 'Lora', Georgia, serif;
  --font-body: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
  --shadow-gold: 0 4px 20px rgba(200, 164, 100, 0.3);
  
  /* Transitions */
  --transition-fast: 0.15s ease-out;
  --transition-normal: 0.3s ease-out;
  --transition-slow: 0.5s ease-out;
  
  /* Default to light theme */
  --bg-primary: var(--bg-light);
  --bg-card: var(--card-bg-light);
  --text-primary: var(--text-primary-light);
}

/* Dark Mode */
[data-theme="dark"] {
  --bg-primary: var(--bg-dark);
  --bg-card: var(--card-bg-dark);
  --text-primary: var(--text-primary-dark);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-primary: var(--bg-dark);
    --bg-card: var(--card-bg-dark);
    --text-primary: var(--text-primary-dark);
  }
}

/* =============================================
   Base Reset & Typography
   ============================================= */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  min-height: 100vh;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Typography Scale */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: 1.25rem; }

p {
  color: var(--text-secondary);
  margin-bottom: var(--spacing-sm);
}

a {
  color: var(--gold-accent);
  text-decoration: none;
  transition: opacity var(--transition-fast);
}

a:hover {
  opacity: 0.8;
}

/* =============================================
   Layout Components
   ============================================= */

.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.section {
  padding: var(--spacing-xxl) 0;
}

/* =============================================
   Navigation
   ============================================= */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--spacing-sm) 0;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(var(--espresso-rgb), 0.1);
  border-bottom: 1px solid rgba(var(--gold-accent-rgb), 0.1);
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  background: rgba(var(--espresso-rgb), 0.85);
  box-shadow: var(--shadow-md);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-logo svg {
  width: 36px;
  height: 36px;
  fill: var(--gold-accent);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  list-style: none;
}

.nav-links a {
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.9rem;
  padding: var(--spacing-xxs) var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-links a:hover {
  color: var(--gold-accent);
  opacity: 1;
}

/* Language Selector */
.lang-selector {
  position: relative;
}

.lang-btn {
  display: flex;
  align-items: center;
  gap: var(--spacing-xxs);
  background: rgba(var(--gold-accent-rgb), 0.1);
  border: 1px solid rgba(var(--gold-accent-rgb), 0.2);
  border-radius: var(--radius-sm);
  padding: var(--spacing-xxs) var(--spacing-xs);
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.lang-btn:hover {
  background: rgba(var(--gold-accent-rgb), 0.2);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + var(--spacing-xxs));
  right: 0;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  min-width: 150px;
  padding: var(--spacing-xxs);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all var(--transition-fast);
}

.lang-selector:hover .lang-dropdown,
.lang-selector:focus-within .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  display: block;
  width: 100%;
  padding: var(--spacing-xxs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background var(--transition-fast);
}

.lang-option:hover {
  background: rgba(var(--gold-accent-rgb), 0.1);
}

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--spacing-xxs);
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: all var(--transition-fast);
}

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }
  
  .nav-links {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-card);
    flex-direction: column;
    padding: var(--spacing-md);
    gap: var(--spacing-sm);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
  }
  
  .nav-links.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }
}

/* =============================================
   Buttons
   ============================================= */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xxs);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 1rem;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn-primary {
  background: var(--gold-accent);
  color: var(--espresso);
  box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(200, 164, 100, 0.4);
  opacity: 1;
}

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

.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid rgba(var(--gold-accent-rgb), 0.3);
}

.btn-secondary:hover {
  border-color: var(--gold-accent);
  background: rgba(var(--gold-accent-rgb), 0.1);
  opacity: 1;
}

.btn-glass {
  background: rgba(var(--gold-accent-rgb), 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-primary);
  border: 1px solid rgba(var(--gold-accent-rgb), 0.2);
}

.btn-glass:hover {
  background: rgba(var(--gold-accent-rgb), 0.2);
  opacity: 1;
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1.1rem;
}

.btn-icon {
  width: 48px;
  height: 48px;
  padding: 0;
  border-radius: var(--radius-full);
}

/* =============================================
   Cards
   ============================================= */

.card {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  padding: var(--spacing-md);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.card-glass {
  background: rgba(var(--gold-accent-rgb), 0.05);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(var(--gold-accent-rgb), 0.1);
}

/* =============================================
   Form Elements
   ============================================= */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xxs);
}

.form-input {
  width: 100%;
  padding: var(--spacing-sm);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--text-primary);
  background: rgba(var(--espresso-rgb), 0.05);
  border: 1px solid rgba(var(--gold-accent-rgb), 0.2);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--gold-accent);
  box-shadow: 0 0 0 3px rgba(var(--gold-accent-rgb), 0.1);
}

.form-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.form-input.error {
  border-color: var(--love-color);
}

.form-error {
  color: var(--love-color);
  font-size: 0.85rem;
  margin-top: var(--spacing-xxxs);
}

/* =============================================
   Hero Section
   ============================================= */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding-top: 80px;
}

.hero-content {
  text-align: center;
  z-index: 10;
  max-width: 800px;
  padding: var(--spacing-md);
}

.hero-icon {
  font-size: 5rem;
  color: var(--gold-accent);
  margin-bottom: var(--spacing-md);
  filter: drop-shadow(0 0 30px rgba(var(--gold-accent-rgb), 0.5));
}

.hero-title {
  margin-bottom: var(--spacing-sm);
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  justify-content: center;
}

/* =============================================
   Features Section
   ============================================= */

.features {
  background: linear-gradient(180deg, transparent 0%, rgba(var(--gold-accent-rgb), 0.03) 100%);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.feature-card {
  text-align: center;
  padding: var(--spacing-lg);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-md);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(var(--gold-accent-rgb), 0.1);
  border-radius: var(--radius-lg);
  color: var(--gold-accent);
  font-size: 1.75rem;
}

.feature-title {
  margin-bottom: var(--spacing-xs);
}

.feature-desc {
  font-size: 0.95rem;
  line-height: 1.7;
}

/* =============================================
   Download Section
   ============================================= */

.download {
  text-align: center;
}

.download-badge {
  display: inline-block;
  margin-top: var(--spacing-lg);
  transition: transform var(--transition-fast);
}

.download-badge:hover {
  transform: scale(1.05);
}

.download-badge img {
  height: 54px;
  width: auto;
}

/* =============================================
   Footer
   ============================================= */

.footer {
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  border-top: 1px solid rgba(var(--gold-accent-rgb), 0.1);
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-md);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  list-style: none;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--gold-accent);
  opacity: 1;
}

.footer-copyright {
  width: 100%;
  text-align: center;
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(var(--gold-accent-rgb), 0.1);
  color: var(--text-secondary);
  font-size: 0.85rem;
}

/* =============================================
   Auth Pages
   ============================================= */

.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-md);
}

.auth-container {
  width: 100%;
  max-width: 420px;
}

.auth-header {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.auth-icon {
  font-size: 4rem;
  color: var(--gold-accent);
  margin-bottom: var(--spacing-md);
}

.auth-card {
  padding: var(--spacing-lg);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin: var(--spacing-md) 0;
  color: var(--text-secondary);
  font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: rgba(var(--gold-accent-rgb), 0.2);
}

.auth-footer {
  text-align: center;
  margin-top: var(--spacing-md);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* =============================================
   User Dashboard (After Login)
   ============================================= */

.dashboard {
  padding-top: 100px;
  min-height: 100vh;
}

.user-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.user-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  background: var(--gold-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--espresso);
}

.user-info h2 {
  margin-bottom: var(--spacing-xxxs);
}

.user-stats {
  display: flex;
  gap: var(--spacing-lg);
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.tabs {
  display: flex;
  gap: var(--spacing-sm);
  border-bottom: 1px solid rgba(var(--gold-accent-rgb), 0.2);
  margin-bottom: var(--spacing-lg);
}

.tab {
  padding: var(--spacing-sm) var(--spacing-md);
  font-weight: 500;
  color: var(--text-secondary);
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab:hover {
  color: var(--text-primary);
}

.tab.active {
  color: var(--gold-accent);
  border-bottom-color: var(--gold-accent);
}

.fortune-list {
  display: grid;
  gap: var(--spacing-md);
}

.fortune-card {
  display: flex;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
}

.fortune-date {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xxs);
}

.fortune-preview {
  color: var(--text-primary);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.fortune-symbols {
  display: flex;
  gap: var(--spacing-xs);
  margin-top: var(--spacing-sm);
  color: var(--gold-accent);
  font-size: 1.1rem;
}

.fortune-indicator {
  width: 4px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.fortune-indicator.love { background: var(--love-color); }
.fortune-indicator.career { background: var(--career-color); }
.fortune-indicator.health { background: var(--health-color); }
.fortune-indicator.general { background: var(--gold-accent); }

/* Badges Grid */
.badges-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: var(--spacing-md);
}

.badge-item {
  text-align: center;
  padding: var(--spacing-md);
}

.badge-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--spacing-sm);
  background: rgba(var(--gold-accent-rgb), 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
}

.badge-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
}

.badge-date {
  font-size: 0.75rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xxxs);
}

.badge-locked {
  opacity: 0.4;
  filter: grayscale(1);
}

/* =============================================
   Legal Pages
   ============================================= */

.legal-page {
  padding-top: 100px;
  padding-bottom: var(--spacing-xxl);
}

.legal-content {
  max-width: 800px;
  margin: 0 auto;
}

.legal-content h1 {
  margin-bottom: var(--spacing-lg);
}

.legal-content h2 {
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.legal-content p {
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

.legal-content ul {
  margin-bottom: var(--spacing-md);
  padding-left: var(--spacing-lg);
}

.legal-content li {
  margin-bottom: var(--spacing-xs);
  color: var(--text-secondary);
  line-height: 1.7;
}

.legal-updated {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

/* =============================================
   Utility Classes
   ============================================= */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

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

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* Loading Spinner */
.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid rgba(var(--gold-accent-rgb), 0.2);
  border-top-color: var(--gold-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* =============================================
   Responsive Breakpoints
   ============================================= */

@media (max-width: 992px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .section {
    padding: var(--spacing-xl) 0;
  }
  
  .hero {
    padding-top: 100px;
  }
  
  .hero-icon {
    font-size: 4rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
  
  .user-header {
    flex-direction: column;
    text-align: center;
  }
  
  .user-stats {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  html {
    font-size: 14px;
  }
  
  .btn-large {
    width: 100%;
  }
  
  .hero-cta {
    flex-direction: column;
  }
}

/* RTL Support for Arabic */
[dir="rtl"] {
  direction: rtl;
}

[dir="rtl"] .nav-links {
  flex-direction: row-reverse;
}

[dir="rtl"] .lang-dropdown {
  right: auto;
  left: 0;
}

[dir="rtl"] .fortune-card {
  flex-direction: row-reverse;
}