:root{--primary: #2563eb;--primary-dark: #1d4ed8;--secondary: #64748b;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;--warning-bg: #fff3cd;--warning-dark: #856404;--bg: #f8fafc;--bg-card: #ffffff;--bg-secondary: #f1f5f9;--hamburger: #e2e8f0;--text: #1e293b;--text-muted: #64748b;--code: #3CB371;--border: #e2e8f0;--shadow: 0 1px 3px rgba(0, 0, 0, 0.1);--shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.1);--radius: 8px;--theme-toggle-scale: 1.3;color-scheme:light}[data-theme=dark]{--primary: #60a5fa;--primary-dark: #3b82f6;--secondary: #94a3b8;--success: #16a34a;--danger: #dc2626;--warning: #d97706;--warning-bg: #2d1b0e;--warning-dark: #fbbf24;--bg: #0f172a;--bg-card: #1e293b;--bg-secondary: #334155;--hamburger: #334155;--text: #cbd5e1;--text-muted: #94a3b8;--code: #22c55e;--border: #334155;--shadow: 0 1px 3px rgba(0, 0, 0, 0.3);--shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.4);color-scheme:dark}.auth-container{display:flex;justify-content:center;align-items:center;min-height:60vh}@media(max-width: 768px){.auth-container{min-height:50vh;padding:1rem 0}}.auth-card{background:var(--bg-card);padding:2.5rem;border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:400px}@media(max-width: 768px){.auth-card{padding:2rem 1.5rem;margin:0 .75rem}}@media(max-width: 480px){.auth-card{padding:1.5rem 1rem;margin:0 .5rem}}.auth-title{text-align:center;margin-bottom:2rem;font-size:1.75rem;color:var(--text)}@media(max-width: 768px){.auth-title{font-size:1.5rem;margin-bottom:1.5rem}}@media(max-width: 480px){.auth-title{font-size:1.25rem}}.auth-form{display:flex;flex-direction:column;gap:1.25rem}