:root{--color-primary: #1a1a1a;--color-primary-light: #2d2d2d;--color-primary-dark: #0d0d0d;--color-accent: #6b7280;--color-accent-light: #9ca3af;--color-accent-dark: #4b5563;--gradient-dark: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 50%, #1f1f1f 100%);--gradient-accent: linear-gradient(90deg, #4b5563, #6b7280, #9ca3af);--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-card: rgba(45, 45, 45, .5);--bg-card-hover: rgba(45, 45, 45, .8);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--border-subtle: rgba(255, 255, 255, .1);--border-accent: rgba(107, 114, 128, .5);--color-success: #22c55e;--color-warning: #f59e0b;--color-error: #ef4444;--color-info: #3b82f6;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .5);--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s ease}*{box-sizing:border-box}html,body{height:100%;margin:0;padding:0}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.2;margin:0}a{color:var(--color-accent-light);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--text-primary)}.text-gradient{background:var(--gradient-accent);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--spacing-sm);padding:.75rem 1.5rem;border:none;border-radius:var(--radius-md);font-size:1rem;font-weight:500;cursor:pointer;transition:all var(--transition-normal)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--color-primary-light);color:var(--text-primary);border:1px solid var(--border-subtle)}.btn-primary:hover:not(:disabled){background:var(--color-accent-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-outline{background:transparent;color:var(--text-secondary);border:1px solid var(--border-subtle)}.btn-outline:hover:not(:disabled){background:var(--bg-card);color:var(--text-primary)}.card{background:var(--bg-card);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);padding:var(--spacing-xl)}input,textarea,select{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);padding:.75rem 1rem;color:var(--text-primary);font-size:1rem;transition:all var(--transition-fast)}input::placeholder,textarea::placeholder,select::placeholder{color:var(--text-muted)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #6b728033}input:disabled,textarea:disabled,select:disabled{opacity:.5;cursor:not-allowed}@keyframes spin{to{transform:rotate(360deg)}}.spinner{width:16px;height:16px;border:2px solid var(--border-subtle);border-top-color:var(--text-primary);border-radius:50%;animation:spin .8s linear infinite}