:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);--surface: #ffffff;--surface-secondary: #f8fafc;--surface-border: #e2e8f0;--text-main: #0f172a;--text-muted: #64748b;--text-inverse: #ffffff;--success: #10b981;--success-bg: #ecfdf5;--danger: #ef4444;--danger-bg: #fef2f2;--warning: #f59e0b;--warning-bg: #fffbe6;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .05);--shadow-md: 0 4px 12px rgba(0, 0, 0, .08);--shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, .12);--font-family: "Inter", system-ui, -apple-system, sans-serif;--transition: all .2s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background:var(--bg-gradient);color:var(--text-main);min-height:100vh;display:flex;flex-direction:column;-webkit-font-smoothing:antialiased}#root{min-height:100vh;display:flex;flex-direction:column}.app-container{width:100%;max-width:900px;margin:0 auto;padding:16px;flex:1;display:flex;flex-direction:column}.login-wrapper{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;background:var(--bg-gradient)}.login-card{background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid rgba(255,255,255,.2);width:100%;max-width:420px;padding:36px 28px;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);text-align:center;animation:fadeIn .3s ease-out}.login-header{margin-bottom:28px}.login-icon{width:64px;height:64px;background:#dbeafe;color:var(--primary);border-radius:50%;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.login-title{font-size:1.5rem;font-weight:700;color:var(--text-main);margin-bottom:6px}.login-subtitle{font-size:.875rem;color:var(--text-muted)}.form-group{margin-bottom:20px;text-align:left}.form-label{display:block;font-size:.875rem;font-weight:600;color:var(--text-main);margin-bottom:8px}.input-wrapper{position:relative;display:flex;align-items:center}.input-field{width:100%;padding:12px 16px;font-size:1rem;border:1.5px solid var(--surface-border);border-radius:var(--radius-sm);outline:none;transition:var(--transition);background:var(--surface);color:var(--text-main)}.input-field:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb26}.btn-primary{width:100%;padding:12px 20px;font-size:1rem;font-weight:600;color:var(--text-inverse);background:var(--primary);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;justify-content:center;gap:8px}.btn-primary:hover:not(:disabled){background:var(--primary-hover);transform:translateY(-1px)}.btn-primary:disabled{opacity:.6;cursor:not-allowed}.alert-box{padding:12px 16px;border-radius:var(--radius-sm);font-size:.875rem;margin-bottom:20px;display:flex;align-items:center;gap:10px;animation:shake .3s ease-in-out}.alert-error{background:var(--danger-bg);border:1px solid #fca5a5;color:#991b1b}.alert-warning{background:var(--warning-bg);border:1px solid #fde68a;color:#92400e}.alert-success{background:var(--success-bg);border:1px solid #6ee7b7;color:#065f46}.navbar{background:#0f172acc;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.1);padding:12px 20px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.brand-title{color:#fff;font-size:1.125rem;font-weight:700;display:flex;align-items:center;gap:8px}.brand-subtitle{font-size:.75rem;color:#94a3b8;font-weight:400}.user-badge-wrapper{display:flex;align-items:center;gap:12px}.role-badge{padding:4px 10px;border-radius:9999px;font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.role-badge.admin{background:#ef4444;color:#fff}.role-badge.instrumentacion{background:#f59e0b;color:#fff}.role-badge.lectura{background:#3b82f6;color:#fff}.btn-secondary{background:#ffffff1a;color:#fff;border:1px solid rgba(255,255,255,.2);padding:6px 14px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;cursor:pointer;transition:var(--transition);display:inline-flex;align-items:center;gap:6px}.btn-secondary:hover{background:#fff3}.panel-card{background:var(--surface);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);overflow:hidden;margin-top:16px;display:flex;flex-direction:column}.panel-header{padding:20px 24px;background:var(--surface-secondary);border-bottom:1px solid var(--surface-border);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.panel-title{font-size:1.25rem;font-weight:700;color:var(--text-main)}.tabs-container{display:flex;overflow-x:auto;border-bottom:1px solid var(--surface-border);background:#f1f5f9;padding:4px 8px 0;gap:4px;-webkit-overflow-scrolling:touch}.tab-btn{padding:10px 16px;font-size:.875rem;font-weight:600;color:var(--text-muted);background:transparent;border:none;border-top-left-radius:var(--radius-sm);border-top-right-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;transition:var(--transition);display:flex;align-items:center;gap:8px}.tab-btn:hover{color:var(--primary);background:#fff9}.tab-btn.active{color:var(--primary);background:var(--surface);border-bottom:2px solid var(--primary)}.tab-content{padding:20px}.add-form{display:flex;gap:10px;margin-bottom:20px}.add-form .input-field{flex:1}.add-form .btn-primary{width:auto;padding:0 20px;white-space:nowrap}.items-list{display:flex;flex-direction:column;gap:8px}.item-row{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--surface);border:1px solid var(--surface-border);border-radius:var(--radius-sm);transition:var(--transition);gap:12px}.item-row:hover{border-color:#cbd5e1;box-shadow:var(--shadow-sm)}.item-row.inactive{background:#f8fafc;opacity:.65;border-style:dashed}.item-name{font-weight:600;color:var(--text-main);font-size:.975rem}.item-row.inactive .item-name{color:var(--text-muted);text-decoration:line-through}.item-actions{display:flex;align-items:center;gap:8px}.switch{position:relative;display:inline-block;width:44px;height:24px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#cbd5e1;transition:.2s;border-radius:24px}.slider:before{position:absolute;content:"";height:18px;width:18px;left:3px;bottom:3px;background-color:#fff;transition:.2s;border-radius:50%}input:checked+.slider{background-color:var(--success)}input:checked+.slider:before{transform:translate(20px)}.btn-icon{background:transparent;border:none;color:var(--text-muted);padding:6px;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center}.btn-icon:hover{background:#f1f5f9;color:var(--primary)}.inline-edit-form{display:flex;align-items:center;gap:8px;flex:1}.inline-edit-form .input-field{padding:6px 10px;font-size:.875rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes shake{0%,to{transform:translate(0)}20%,60%{transform:translate(-4px)}40%,80%{transform:translate(4px)}}@media(max-width:640px){.app-container{padding:10px}.panel-header{padding:16px}.tab-content{padding:14px}.add-form{flex-direction:column}.add-form .btn-primary{width:100%;padding:12px}}