:root{--color-primary: #667eea;--color-primary-dark: #5a67d8;--color-secondary: #764ba2;--color-success: #38ef7d;--color-success-dark: #11998e;--color-warning: #ffc107;--color-danger: #f45c43;--color-danger-dark: #eb3349;--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-card: rgba(255, 255, 255, .08);--bg-card-hover: rgba(255, 255, 255, .12);--bg-input: rgba(255, 255, 255, .05);--text-primary: #ffffff;--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .5);--border-color: rgba(255, 255, 255, .1);--border-focus: var(--color-primary);--shadow-sm: 0 2px 4px rgba(0, 0, 0, .1);--shadow-md: 0 4px 12px rgba(0, 0, 0, .15);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .2);--shadow-glow: 0 0 20px rgba(102, 126, 234, .3);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .35s 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var(--border-color);border-radius:var(--radius-md);background:var(--bg-input);color:var(--text-primary);font-size:16px;transition:all var(--transition-fast)}.input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px #667eea33}.input::placeholder{color:var(--text-muted)}.input:disabled{opacity:.6;cursor:not-allowed}.form-group{margin-bottom:var(--spacing-md)}.form-group 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