:root{--text:#6b7280;--text-h:#111827;--bg:#f9fafb;--card-bg:#fff;--border:#e5e7eb;--primary:#4f46e5;--primary-hover:#4338ca;--primary-light:#4f46e51a;--danger:#ef4444;--danger-bg:#fef2f2;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;--shadow:0 1px 3px #0000001a, 0 1px 2px #0000000f;--shadow-lg:0 10px 15px -3px #0000001a, 0 4px 6px -2px #0000000d;--radius:8px;font:16px/1.5 var(--sans);--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--text:#9ca3af;--text-h:#f3f4f6;--bg:#111827;--card-bg:#1f2937;--border:#374151;--primary:#6366f1;--primary-hover:#818cf8;--primary-light:#6366f126;--danger:#f87171;--danger-bg:#ef44441a;--shadow:0 1px 3px #0000004d;--shadow-lg:0 10px 15px -3px #0000004d}}*{box-sizing:border-box}body{min-height:100vh;margin:0}#root{min-height:100vh}.auth-container{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.auth-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);width:100%;max-width:420px;padding:40px}.auth-card h2{color:var(--text-h);margin:0 0 4px;font-size:24px;font-weight:600}.auth-subtitle{color:var(--text);margin:0 0 24px;font-size:14px}.auth-error{background:var(--danger-bg);color:var(--danger);border-radius:var(--radius);margin-bottom:16px;padding:10px 14px;font-size:14px}.form-group{margin-bottom:16px}.form-group label{color:var(--text-h);margin-bottom:6px;font-size:14px;font-weight:500;display:block}.form-group input{border:1px solid var(--border);border-radius:var(--radius);width:100%;font-size:15px;font-family:var(--sans);background:var(--bg);color:var(--text-h);padding:10px 12px;transition:border-color .2s}.form-group input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);outline:none}.btn-primary{background:var(--primary);color:#fff;border-radius:var(--radius);width:100%;font-size:15px;font-weight:500;font-family:var(--sans);cursor:pointer;border:none;margin-top:8px;padding:10px 16px;transition:background .2s}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.btn-secondary{color:var(--text);border:1px solid var(--border);border-radius:var(--radius);font-size:14px;font-family:var(--sans);cursor:pointer;background:0 0;padding:8px 16px;transition:all .2s}.btn-secondary:hover{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.auth-link{text-align:center;color:var(--text);margin-top:20px;font-size:14px}.auth-link a{color:var(--primary);font-weight:500;text-decoration:none}.auth-link a:hover{text-decoration:underline}.dashboard-container{max-width:960px;margin:0 auto;padding:20px}.dashboard-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:32px;padding:16px 0;display:flex}.dashboard-header h1{color:var(--text-h);margin:0;font-size:24px;font-weight:600}.dashboard-main{padding:0}.welcome-card{background:var(--card-bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px}.welcome-card h2{color:var(--text-h);margin:0 0 8px;font-size:20px;font-weight:600}.welcome-card p{margin:0 0 8px}.muted{color:var(--text);font-size:14px}.loading-container{justify-content:center;align-items:center;min-height:100vh;display:flex}.spinner{border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;width:32px;height:32px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}