:root{--bg-dark: #0f172a;--bg-card: #1e293b;--bg-input: #334155;--primary: #3b82f6;--primary-hover: #2563eb;--success: #10b981;--warning: #f59e0b;--danger: #ef4444;--text-main: #f1f5f9;--text-muted: #94a3b8;--card-border: #334155;--shadow: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg-dark);color:var(--text-main);line-height:1.6;min-height:100vh}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-dark)}::-webkit-scrollbar-thumb{background:var(--bg-input);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#475569}.container{max-width:1400px;margin:0 auto;padding:24px}.card{background:var(--bg-card);border:1px solid var(--card-border);border-radius:12px;box-shadow:var(--shadow)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:var(--bg-input);color:var(--text-main)}.btn-secondary:hover{background:#475569}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}.btn:disabled{opacity:.5;cursor:not-allowed}.form-group input,.form-group textarea,.form-group select{padding:12px 16px;background:var(--bg-input);border:1px solid var(--card-border);border-radius:8px;color:var(--text-main);font-size:14px;transition:all .2s}.form-group input:focus,.form-group textarea:focus,.form-group select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #3b82f633}.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}.spinner{width:24px;height:24px;border:3px solid var(--bg-input);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.switch-toggle{position:relative;width:48px;height:26px}.switch-toggle input{opacity:0;width:0;height:0}.switch-toggle .slider{position:absolute;cursor:pointer;inset:0;background:var(--bg-input);border-radius:26px;transition:.3s}.switch-toggle .slider:before{content:"";position:absolute;width:20px;height:20px;left:3px;bottom:3px;background:#fff;border-radius:50%;transition:.3s}.switch-toggle input:checked+.slider{background:var(--primary)}.switch-toggle input:checked+.slider:before{transform:translate(22px)}.form-section{margin-bottom:32px}.form-section h3{font-size:15px;font-weight:600;margin-bottom:16px;color:var(--text-main)}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}.form-group{display:flex;flex-direction:column;gap:8px}.form-group label{font-size:13px;font-weight:500;color:var(--text-muted)}.form-group input{padding:12px 16px;background:var(--bg-input);border:1px solid var(--card-border);border-radius:8px;color:var(--text-main);font-size:14px;transition:all .2s}.form-group input:focus{outline:none;border-color:var(--primary)}.form-group input:disabled{opacity:.6;cursor:not-allowed}