:root{--primary: #2563eb;--primary-hover: #1d4ed8;--primary-light: #eff6ff;--success: #16a34a;--warning: #f59e0b;--danger: #dc2626;--gray-50: #f9fafb;--gray-100: #f3f4f6;--gray-200: #e5e7eb;--gray-300: #d1d5db;--gray-400: #9ca3af;--gray-500: #6b7280;--gray-600: #4b5563;--gray-700: #374151;--gray-800: #1f2937;--gray-900: #111827;--radius: 8px;--shadow: 0 1px 3px rgba(0, 0, 0, .1), 0 1px 2px rgba(0, 0, 0, .06);--shadow-md: 0 4px 6px rgba(0, 0, 0, .07), 0 2px 4px rgba(0, 0, 0, .06)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,sans-serif;color:var(--gray-900);background:var(--gray-50);line-height:1.6}.app-layout{min-height:100vh;display:flex;flex-direction:column}.app-header{background:#fff;border-bottom:1px solid var(--gray-200);padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.app-header h1{font-size:20px;font-weight:700;color:var(--primary)}.app-header nav{display:flex;align-items:center;gap:16px}.app-main{flex:1;padding:24px;max-width:1200px;margin:0 auto;width:100%}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius);font-size:14px;font-weight:500;cursor:pointer;border:none;transition:all .15s ease;text-decoration:none}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-hover)}.btn-secondary{background:#fff;color:var(--gray-700);border:1px solid var(--gray-300)}.btn-secondary:hover{background:var(--gray-50)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{opacity:.9}.btn-sm{padding:6px 12px;font-size:13px}.btn-ghost{background:transparent;color:var(--gray-600);padding:6px 12px}.btn-ghost:hover{background:var(--gray-100)}.card{background:#fff;border-radius:var(--radius);border:1px solid var(--gray-200);box-shadow:var(--shadow)}.card-header{padding:16px 20px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between}.card-body{padding:20px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:500;color:var(--gray-700);margin-bottom:4px}.form-input{width:100%;padding:10px 12px;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:14px;font-family:inherit;transition:border-color .15s}.form-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-select{width:100%;padding:10px 12px;border:1px solid var(--gray-300);border-radius:var(--radius);font-size:14px;font-family:inherit;background:#fff;cursor:pointer}.auth-container{max-width:400px;margin:80px auto;padding:0 16px}.auth-container h2{font-size:24px;margin-bottom:8px}.auth-container p{color:var(--gray-500);margin-bottom:24px}.auth-container .card-body{padding:24px}.auth-link{text-align:center;margin-top:16px;font-size:14px;color:var(--gray-500)}.auth-link a{color:var(--primary);text-decoration:none;font-weight:500}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-header h2{font-size:24px;font-weight:700}.homes-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:16px}.home-card{cursor:pointer;transition:box-shadow .15s}.home-card:hover{box-shadow:var(--shadow-md)}.home-card .card-body h3{font-size:16px;font-weight:600;margin-bottom:4px}.home-card .card-body .meta{font-size:13px;color:var(--gray-500)}.home-card .card-body .stats{margin-top:12px;display:flex;gap:16px;font-size:13px;color:var(--gray-600)}.equipment-list{display:flex;flex-direction:column;gap:12px}.equipment-item{display:flex;align-items:center;justify-content:space-between;padding:16px 20px}.equipment-item .info h4{font-size:15px;font-weight:600}.equipment-item .info .details{font-size:13px;color:var(--gray-500);margin-top:2px}.equipment-item .actions{display:flex;gap:8px}.status-badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:12px;font-weight:500}.status-pending{background:#fef3c7;color:#92400e}.status-fetched{background:#dcfce7;color:#166534}.status-error{background:#fee2e2;color:#991b1b}.access-link-box{background:var(--primary-light);border:1px solid var(--primary);border-radius:var(--radius);padding:16px 20px;margin:16px 0}.access-link-box .label{font-size:13px;font-weight:500;color:var(--primary);margin-bottom:4px}.access-link-box .link{font-size:15px;font-weight:600;word-break:break-all}.access-link-box .code{font-size:24px;font-weight:700;letter-spacing:4px;margin-top:8px}.portal-access{max-width:440px;margin:80px auto;text-align:center;padding:0 16px}.portal-access h2{font-size:28px;margin-bottom:8px}.portal-access .subtitle{color:var(--gray-500);margin-bottom:32px}.code-input{display:flex;gap:8px;justify-content:center;margin:24px 0}.code-input input{width:48px;height:56px;text-align:center;font-size:24px;font-weight:600;border:2px solid var(--gray-300);border-radius:var(--radius)}.code-input input:focus{border-color:var(--primary);outline:none}.portal-header{background:#fff;border-bottom:1px solid var(--gray-200);padding:16px 24px;display:flex;align-items:center;justify-content:space-between}.portal-header h1{font-size:18px;color:var(--primary)}.equipment-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px;margin-top:24px}.equip-card .card-body{padding:16px}.equip-card .category-tag{font-size:11px;font-weight:600;text-transform:uppercase;color:var(--primary);letter-spacing:.5px}.equip-card h3{font-size:16px;font-weight:600;margin:4px 0}.equip-card .brand-model{font-size:13px;color:var(--gray-500)}.equip-card .info-section{margin-top:12px;padding-top:12px;border-top:1px solid var(--gray-100)}.equip-card .info-section h4{font-size:13px;font-weight:600;color:var(--gray-700);margin-bottom:6px}.equip-card .info-section ul{list-style:none;font-size:13px;color:var(--gray-600)}.equip-card .info-section li{padding:3px 0}.chat-container{display:flex;flex-direction:column;height:calc(100vh - 64px);max-width:800px;margin:0 auto}.chat-messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:16px}.chat-message{max-width:80%;padding:12px 16px;border-radius:12px;font-size:14px;line-height:1.6}.chat-message.user{align-self:flex-end;background:var(--primary);color:#fff;border-bottom-right-radius:4px}.chat-message.assistant{align-self:flex-start;background:#fff;border:1px solid var(--gray-200);border-bottom-left-radius:4px}.chat-message.assistant pre{background:var(--gray-50);padding:8px 12px;border-radius:6px;overflow-x:auto;margin:8px 0;font-size:13px}.chat-input-bar{padding:16px 24px;border-top:1px solid var(--gray-200);background:#fff;display:flex;gap:12px}.chat-input-bar input{flex:1;padding:12px 16px;border:1px solid var(--gray-300);border-radius:24px;font-size:14px;font-family:inherit}.chat-input-bar input:focus{outline:none;border-color:var(--primary)}.chat-input-bar button{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;border:none;cursor:pointer;font-size:18px;display:flex;align-items:center;justify-content:center}.chat-input-bar button:disabled{opacity:.5;cursor:not-allowed}.chat-welcome{text-align:center;padding:40px 20px;color:var(--gray-500)}.chat-welcome h3{font-size:18px;color:var(--gray-700);margin-bottom:8px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000080;display:flex;align-items:center;justify-content:center;z-index:200;padding:16px}.modal{background:#fff;border-radius:12px;width:100%;max-width:500px;max-height:90vh;overflow-y:auto}.modal-header{padding:20px 24px;border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between}.modal-header h3{font-size:18px;font-weight:600}.modal-body{padding:24px}.modal-footer{padding:16px 24px;border-top:1px solid var(--gray-200);display:flex;justify-content:flex-end;gap:12px}.error-msg{background:#fee2e2;color:#991b1b;padding:10px 16px;border-radius:var(--radius);font-size:14px;margin-bottom:16px}.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;justify-content:center;padding:40px}.empty-state{text-align:center;padding:60px 20px;color:var(--gray-500)}.empty-state h3{font-size:18px;color:var(--gray-700);margin-bottom:8px}@media (max-width: 640px){.app-main{padding:16px}.homes-grid,.equipment-grid{grid-template-columns:1fr}.page-header{flex-direction:column;align-items:flex-start;gap:12px}.chat-message{max-width:90%}}