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

:root {
  /* Light Theme Variables */
  --bg-primary: #f8fafc;
  --bg-secondary: #ffffff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-tertiary: #94a3b8;
  --border-color: #e2e8f0;
  
  --primary-500: #8b5cf6; /* Violet */
  --primary-600: #7c3aed;
  --secondary-500: #ec4899; /* Pink */
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  
  --glass-bg: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.5);
}

[data-theme="dark"] {
  /* Dark Theme Variables */
  --bg-primary: #0f172a;   /* Slate 900 */
  --bg-secondary: #1e293b; /* Slate 800 */
  --bg-tertiary: #334155;  /* Slate 700 */
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-tertiary: #94a3b8;
  --border-color: #334155;
  
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.3);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.3), 0 2px 4px -2px rgb(0 0 0 / 0.3);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.3), 0 4px 6px -4px rgb(0 0 0 / 0.3);
  
  --glass-bg: rgba(30, 41, 59, 0.7);
  --glass-border: rgba(255, 255, 255, 0.1);
}

/* Reset & Base */
html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
}

/* Utility Classes for Theme */
.bg-theme-primary { background-color: var(--bg-primary); }
.bg-theme-secondary { background-color: var(--bg-secondary); }
.bg-theme-tertiary { background-color: var(--bg-tertiary); }

.text-theme-primary { color: var(--text-primary); }
.text-theme-secondary { color: var(--text-secondary); }
.text-theme-tertiary { color: var(--text-tertiary); }

.border-theme { border-color: var(--border-color); }

/* Components */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: all 0.2s ease;
  cursor: pointer;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary-600), var(--secondary-500));
  color: white;
  box-shadow: 0 4px 14px 0 rgba(124, 58, 237, 0.3);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-500), #db2777);
  box-shadow: 0 6px 20px 0 rgba(124, 58, 237, 0.4);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--bg-tertiary);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: var(--border-color);
}

.btn-outline {
  background-color: transparent;
  border: 1px solid var(--primary-500);
  color: var(--primary-500);
}

.btn-outline:hover {
  background-color: var(--primary-500);
  color: white;
}

.card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-500);
}

.input-field {
  width: 100%;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  border-radius: 0.5rem;
  padding: 0.75rem 1rem;
  transition: all 0.2s;
}

.input-field:focus {
  outline: none;
  border-color: var(--primary-500);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

/* Animations */
.gradient-text {
  background: linear-gradient(135deg, #a78bfa, #f472b6);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

[data-theme="light"] .gradient-text {
  background: linear-gradient(135deg, #7c3aed, #db2777);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-effect {
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

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

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

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

/* Mobile Enhancements */
@media (max-width: 640px) {
  .hero-animated h1 {
    font-size: 2.5rem;
    line-height: 1.2;
  }
  
  .container {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
}

/* Modal Animation */
@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-content {
  animation: modalIn 0.2s ease-out forwards;
}