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

:root {
  --primary-rgb: 99, 102, 241;    /* #6366f1 (Indigo) */
  --secondary-rgb: 236, 72, 153;  /* #ec4899 (Pink) */
  --accent-rgb: 16, 185, 129;     /* #10b981 (Emerald) */
  --warning-rgb: 245, 158, 11;    /* #f59e0b (Amber) */
  --danger-rgb: 239, 68, 68;      /* #ef4444 (Red) */
  
  --bg-primary: #0a0c16;
  --bg-secondary: #111424;
  --bg-glass: rgba(20, 24, 45, 0.6);
  --bg-glass-hover: rgba(28, 34, 61, 0.75);
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  --border-light: rgba(255, 255, 255, 0.08);
  --border-glow: rgba(99, 102, 241, 0.2);
  --border-glow-hover: rgba(99, 102, 241, 0.45);
  
  --shadow-sm: 0 2px 8px -1px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px -2px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 10px 30px -5px rgba(0, 0, 0, 0.6);
  --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.2);
  
  --font-sans: 'Inter', 'Pretendard', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

/* Base Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background-color: var(--bg-primary);
  background-image: 
    radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 90% 80%, rgba(236, 72, 153, 0.08) 0%, transparent 40%);
  background-attachment: fixed;
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
  background: rgba(99, 102, 241, 0.3);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(99, 102, 241, 0.5);
}

/* Typography */
h1, h2, h3, h4 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

/* Layout Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
}

/* Glassmorphism Panel */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Interactive Elements */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: none;
  font-size: 0.95rem;
}

.btn-primary {
  background: linear-gradient(135deg, rgb(var(--primary-rgb)), rgb(var(--secondary-rgb)));
  color: white;
  box-shadow: 0 4px 15px rgba(var(--primary-rgb), 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(var(--primary-rgb), 0.45);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-light);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-danger {
  background: rgba(var(--danger-rgb), 0.15);
  color: #fca5a5;
  border: 1px solid rgba(var(--danger-rgb), 0.3);
}

.btn-danger:hover {
  background: rgba(var(--danger-rgb), 0.3);
  border-color: rgba(var(--danger-rgb), 0.5);
  color: white;
}

/* Form Controls */
.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
}

.form-control {
  width: 100%;
  padding: 0.8rem 1rem;
  background: rgba(10, 12, 22, 0.6);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  color: white;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: rgb(var(--primary-rgb));
  box-shadow: 0 0 0 3px rgba(var(--primary-rgb), 0.15);
}

/* Animations */
@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 20px rgba(var(--primary-rgb), 0.2); }
  50% { box-shadow: 0 0 30px rgba(var(--primary-rgb), 0.4); }
}