*{margin:0;padding:0;box-sizing:border-box}:root,[data-theme=dark]{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #818cf8;--bg: #0f172a;--bg-card: #1e293b;--bg-input: #334155;--text: #f8fafc;--text-muted: #94a3b8;--text-dim: #64748b;--border: #334155;--success: #22c55e;--danger: #ef4444;--warning: #f59e0b;color-scheme:dark}[data-theme=light]{--primary: #6366f1;--primary-dark: #4f46e5;--primary-light: #4f46e5;--bg: #f1f5f9;--bg-card: #ffffff;--bg-input: #e2e8f0;--text: #0f172a;--text-muted: #475569;--text-dim: #94a3b8;--border: #cbd5e1;--success: #16a34a;--danger: #dc2626;--warning: #d97706;color-scheme:light}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;-webkit-font-smoothing:antialiased}#root{min-height:100dvh;display:flex;flex-direction:column}a{color:var(--primary-light);text-decoration:none}button{cursor:pointer;font-family:inherit}input,textarea,select{font-family:inherit;font-size:inherit}.container{width:100%;max-width:480px;margin:0 auto;padding:0 16px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border:none;border-radius:12px;font-size:16px;font-weight:600;transition:all .2s;width:100%}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg-input);color:var(--text)}.btn-secondary:hover{background:var(--border)}.btn-danger{background:var(--danger);color:#fff}.input-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.input-group label{font-size:14px;color:var(--text-muted);font-weight:500}.input-group input{padding:12px 16px;border:2px solid var(--border);border-radius:12px;background:var(--bg-input);color:var(--text);font-size:16px;outline:none;transition:border-color .2s}.input-group input:focus{border-color:var(--primary)}.error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--danger);padding:12px 16px;border-radius:12px;font-size:14px;margin-bottom:16px}.card{background:var(--bg-card);border-radius:16px;padding:20px;border:1px solid var(--border)}::-webkit-scrollbar{width:4px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}