@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=Inter:wght@300;400;500;600;700&display=swap');

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

:root {
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, sans-serif;
  --transition: 0.3s ease;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 24px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 48px rgba(0,0,0,0.15);
}

[data-theme="light"] {
  --bg-primary: #FAF7F2;
  --bg-secondary: #FFFFFF;
  --bg-page: #FDF6E3;
  --bg-page-alt: #F8F1E4;
  --text-primary: #2C1810;
  --text-secondary: #5D4E37;
  --text-muted: #8B7D6B;
  --accent: #8B1A1A;
  --accent-light: #B83232;
  --accent-bg: rgba(139,26,26,0.08);
  --border: #E8DFD0;
  --border-light: #F0E9DC;
  --overlay: rgba(44,24,16,0.5);
  --card-bg: #FFFFFF;
  --nav-bg: rgba(250,247,242,0.95);
  --page-shadow: rgba(0,0,0,0.15);
  --highlight: #FFF3CD;
}

[data-theme="dark"] {
  --bg-primary: #1A1A2E;
  --bg-secondary: #16213E;
  --bg-page: #1E1E2E;
  --bg-page-alt: #252540;
  --text-primary: #E8E6E3;
  --text-secondary: #B8B5B0;
  --text-muted: #7A7875;
  --accent: #FFB74D;
  --accent-light: #FFD180;
  --accent-bg: rgba(255,183,77,0.1);
  --border: #2A2A45;
  --border-light: #333355;
  --overlay: rgba(0,0,0,0.7);
  --card-bg: #1E1E35;
  --nav-bg: rgba(26,26,46,0.95);
  --page-shadow: rgba(0,0,0,0.4);
  --highlight: rgba(255,183,77,0.15);
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.3;
}

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

a:hover {
  color: var(--accent-light);
}

::selection {
  background: var(--accent);
  color: white;
}

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

::-webkit-scrollbar-track {
  background: var(--bg-primary);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: white;
  box-shadow: 0 4px 16px rgba(139,26,26,0.3);
}

[data-theme="dark"] .btn-primary {
  box-shadow: 0 4px 16px rgba(255,183,77,0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(139,26,26,0.4);
  color: white;
}

[data-theme="dark"] .btn-primary:hover {
  box-shadow: 0 6px 24px rgba(255,183,77,0.4);
}

.btn-ghost {
  background: transparent;
  color: var(--text-primary);
  border: 2px solid var(--border);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: none;
  background: var(--bg-secondary);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition);
  font-size: 1.2rem;
}

.btn-icon:hover {
  background: var(--accent-bg);
  color: var(--accent);
  transform: scale(1.1);
}

.theme-toggle {
  position: relative;
}

.theme-toggle svg {
  width: 22px;
  height: 22px;
  transition: transform 0.5s ease;
}

.theme-toggle:hover svg {
  transform: rotate(30deg);
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}