@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

/* ===== DESIGN TOKENS ===== */
:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #12121a;
  --bg-tertiary: #1a1a2e;
  --bg-elevated: #22223a;
  --glass: rgba(255,255,255,0.04);
  --glass-hover: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.08);
  --glass-border-hover: rgba(255,255,255,0.15);
  --accent: #6c63ff;
  --accent-hover: #5a52e0;
  --accent-glow: rgba(108,99,255,0.3);
  --teal: #00d4aa;
  --teal-glow: rgba(0,212,170,0.3);
  --coral: #ff6b6b;
  --coral-glow: rgba(255,107,107,0.3);
  --gold: #ffd93d;
  --gold-glow: rgba(255,217,61,0.3);
  --sky: #4dc9f6;
  --text-primary: #e8e8f0;
  --text-secondary: #8888a8;
  --text-muted: #555570;
  --gradient-hero: linear-gradient(135deg, #6c63ff 0%, #00d4aa 100%);
  --gradient-warm: linear-gradient(135deg, #ff6b6b 0%, #ffd93d 100%);
  --gradient-cool: linear-gradient(135deg, #4dc9f6 0%, #6c63ff 100%);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.4);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: 'Inter', -apple-system, sans-serif;
  --font-display: 'Outfit', 'Inter', sans-serif;
}

/* ===== RESET ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--teal); }
img { max-width: 100%; display: block; }
ul, ol { list-style: none; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }

/* ===== ANIMATIONS ===== */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slideUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideDown { 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); } }
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
@keyframes float { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-10px); } }
@keyframes spin { to { transform: rotate(360deg); } }
@keyframes gradientShift { 0% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } 100% { background-position: 0% 50%; } }

.animate-in { animation: slideUp 0.5s ease forwards; }
.animate-fade { animation: fadeIn 0.4s ease forwards; }
.animate-scale { animation: scaleIn 0.3s ease forwards; }

/* ===== LAYOUT ===== */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.page-wrapper { padding-top: 80px; min-height: 100vh; }

/* ===== NAV ===== */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10,10,15,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0 24px; height: 70px;
  display: flex; align-items: center; justify-content: space-between;
}
.nav-brand {
  font-family: var(--font-display);
  font-size: 1.5rem; font-weight: 700;
  background: var(--gradient-hero);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-links a, .nav-links button {
  padding: 8px 16px; border-radius: var(--radius-sm);
  color: var(--text-secondary); font-size: 0.9rem; font-weight: 500;
  background: transparent; border: none; cursor: pointer;
  transition: var(--transition);
}
.nav-links a:hover, .nav-links button:hover { color: var(--text-primary); background: var(--glass-hover); }
.nav-links a.active { color: var(--accent); background: rgba(108,99,255,0.1); }
.nav-user {
  display: flex; align-items: center; gap: 10px;
  padding: 6px 14px; border-radius: var(--radius-xl);
  background: var(--glass); border: 1px solid var(--glass-border);
  cursor: pointer; color: var(--text-primary); font-size: 0.85rem;
}
.nav-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--gradient-hero);
  display: flex; align-items: center; justify-content: center;
  font-weight: 600; font-size: 0.75rem; color: #fff;
}
.nav-hamburger {
  display: none; background: none; border: none; cursor: pointer;
  color: var(--text-primary); font-size: 1.5rem; padding: 4px;
}

/* ===== TOAST ===== */
.toast-container { position: fixed; top: 80px; right: 24px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
  padding: 14px 20px; border-radius: var(--radius-md);
  background: var(--bg-elevated); border: 1px solid var(--glass-border);
  color: var(--text-primary); font-size: 0.9rem;
  box-shadow: var(--shadow-md); animation: slideDown 0.3s ease;
  display: flex; align-items: center; gap: 10px; min-width: 280px;
}
.toast.success { border-color: var(--teal); }
.toast.error { border-color: var(--coral); }
.toast.info { border-color: var(--accent); }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--bg-tertiary); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .container { padding: 0 16px; }
  .nav { padding: 0 16px; }
  .nav-links { display: none; }
  .nav-links.open {
    display: flex; flex-direction: column;
    position: absolute; top: 70px; left: 0; right: 0;
    background: rgba(10,10,15,0.95); backdrop-filter: blur(20px);
    padding: 16px; border-bottom: 1px solid var(--glass-border);
  }
  .nav-hamburger { display: block; }
}