:root{--primary-color: #2196F3;--secondary-color: #757575;--accent-color: #FF5722;--success-color: #4CAF50;--error-color: #f44336;--bg-color: #f5f5f5;--card-bg: #ffffff;--text-color: #212121;--text-secondary: #757575;--border-radius: 12px;--shadow: 0 2px 8px rgba(0, 0, 0, .1);--shadow-hover: 0 4px 16px rgba(0, 0, 0, .15)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:var(--bg-color);color:var(--text-color);line-height:1.6;min-height:100vh;padding:20px}.container{max-width:800px;margin:0 auto}header{text-align:center;margin-bottom:40px;padding:20px;background:linear-gradient(135deg,var(--primary-color),#1976D2);color:#fff;border-radius:var(--border-radius);box-shadow:var(--shadow)}header h1{font-size:2.5rem;margin-bottom:10px;font-weight:700}.subtitle{font-size:1.1rem;opacity:.9}.card{background:var(--card-bg);padding:30px;margin-bottom:20px;border-radius:var(--border-radius);box-shadow:var(--shadow);transition:box-shadow .3s ease}.card:hover{box-shadow:var(--shadow-hover)}.card h2{font-size:1.5rem;margin-bottom:10px;color:var(--text-color)}.card p{color:var(--text-secondary);margin-bottom:20px}.btn{padding:12px 24px;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;transition:all .3s ease;margin-right:10px;margin-bottom:10px}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 12px #0003}.btn:active{transform:translateY(0)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:#1976d2}.btn-secondary{background:var(--secondary-color);color:#fff}.btn-secondary:hover{background:#616161}.btn-accent{background:var(--accent-color);color:#fff}.btn-accent:hover{background:#e64a19}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:600;color:var(--text-color)}.form-group input,.form-group textarea{width:100%;padding:12px;border:2px solid #e0e0e0;border-radius:8px;font-size:1rem;font-family:inherit;transition:border-color .3s ease}.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary-color)}.form-group textarea{resize:vertical}.status-text{margin-top:15px;padding:12px;border-radius:8px;font-size:.95rem;display:none}.status-text.show{display:block}.status-text.success{background:#e8f5e9;color:var(--success-color);border-left:4px solid var(--success-color)}.status-text.error{background:#ffebee;color:var(--error-color);border-left:4px solid var(--error-color)}.status-text.info{background:#e3f2fd;color:var(--primary-color);border-left:4px solid var(--primary-color)}.info-list{list-style:none;padding:0}.info-list li{padding:12px;border-bottom:1px solid #e0e0e0;display:flex;justify-content:space-between;align-items:center}.info-list li:last-child{border-bottom:none}.info-list strong{color:var(--text-color)}.info-list span{color:var(--text-secondary);font-weight:500}.info-list span.success{color:var(--success-color)}.info-list span.error{color:var(--error-color)}.info-list span.info{color:var(--primary-color)}.notification-controls{display:flex;flex-wrap:wrap;gap:10px}footer{text-align:center;padding:30px;color:var(--text-secondary);font-size:.9rem}@media (max-width: 768px){body{padding:10px}header h1{font-size:2rem}.card{padding:20px}.btn{width:100%;margin-right:0}.notification-controls{flex-direction:column}}@keyframes slideIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.card{animation:slideIn .3s ease}@keyframes spin{to{transform:rotate(360deg)}}.loading{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.3);border-radius:50%;border-top-color:#fff;animation:spin .6s linear infinite}