.header{background:linear-gradient(135deg,#667eea,#764ba2);border-bottom:1px solid rgba(255,255,255,.1);padding:.75rem 1.5rem;box-shadow:0 4px 6px #0000001a;position:relative;z-index:10}.header-content{display:flex;justify-content:space-between;align-items:center;max-width:1400px;margin:0 auto;gap:1.5rem}.header-branding{display:flex;flex-direction:column;gap:.25rem}.header-title{font-size:1.25rem;font-weight:600;color:#fff;margin:0;text-shadow:0 2px 4px rgba(0,0,0,.2)}.header-subtitle{font-size:.75rem;color:#ffffffe6;margin:0}.header-actions{display:flex;align-items:center;gap:.75rem;flex-shrink:0}.header-badge{background-color:var(--primary-color);color:#fff;padding:.4rem .75rem;border-radius:.4rem;font-size:.75rem;font-weight:500}.auth-controls{display:flex;align-items:center;gap:.5rem}.header-btn{padding:.4rem .75rem;border:none;border-radius:.4rem;font-size:.75rem;font-weight:500;cursor:pointer;transition:all .2s;white-space:nowrap}.login-btn{background:#3b82f6;color:#fff}.login-btn:hover{background:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.history-btn{background:#f3f4f6;color:#374151;border:1px solid #e5e7eb}.history-btn:hover{background:#e5e7eb;border-color:#d1d5db}.logout-btn{background:#fee2e2;color:#991b1b}.logout-btn:hover{background:#fecaca}.user-info{color:#1f2937;font-size:.75rem;font-weight:500;padding:.4rem .6rem;background:#fffffff2;border-radius:.4rem;box-shadow:0 2px 4px #0000001a}@media (max-width: 768px){.header{padding:.75rem}.header-content{flex-direction:column;gap:.75rem;align-items:flex-start}.header-title{font-size:1.1rem}.header-actions{flex-wrap:wrap}}.location-input{display:flex;flex-direction:column;gap:.5rem}.location-label{font-size:.875rem;font-weight:500;color:var(--text-primary)}.location-search{position:relative}.location-input-field{width:100%;padding:.75rem;border:1px solid var(--border-color);border-radius:.5rem;font-size:1rem;color:var(--text-primary);background-color:var(--surface);transition:all .2s ease}.location-input-field:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #15803d1a}.location-input-field:disabled{background-color:var(--background);cursor:not-allowed;opacity:.6}.location-dropdown{position:absolute;top:calc(100% + .5rem);left:0;right:0;max-height:300px;overflow-y:auto;background-color:var(--surface);border:1px solid var(--border-color);border-radius:.5rem;box-shadow:var(--shadow-lg);z-index:100}.location-option{width:100%;padding:.75rem;border:none;background:none;text-align:left;display:flex;align-items:center;gap:.75rem;cursor:pointer;transition:background-color .15s ease}.location-option:hover{background-color:var(--background)}.location-option:focus{outline:none;background-color:var(--background)}.room-id{font-weight:600;color:var(--text-primary);min-width:60px}.room-name{flex:1;font-size:.875rem;color:var(--text-secondary)}.room-type{font-size:.75rem;padding:.25rem .5rem;border-radius:.25rem;background-color:var(--background);color:var(--text-secondary);text-transform:capitalize}.type-room{background-color:#dbeafe;color:#1e40af}.type-stairs,.type-elevator{background-color:#fef3c7;color:#92400e}.type-office{background-color:#e0e7ff;color:#3730a3}.type-restroom{background-color:#f3e8ff;color:#6b21a8}.location-selected{display:flex;align-items:center;gap:.75rem;padding:.75rem;border:1px solid var(--primary-color);border-radius:.5rem;background-color:#15803d0d}.selected-room{flex:1;display:flex;flex-direction:column;gap:.25rem}.selected-id{font-weight:600;color:var(--text-primary)}.selected-name{font-size:.875rem;color:var(--text-secondary)}.clear-button{width:2rem;height:2rem;border-radius:.25rem;background-color:var(--surface);border:1px solid var(--border-color);color:var(--text-secondary);font-size:1rem;display:flex;align-items:center;justify-content:center;flex-shrink:0}.clear-button:hover:not(:disabled){background-color:var(--error-color);color:#fff;border-color:var(--error-color)}.preference-toggle{display:flex;flex-direction:column;gap:.75rem}.preference-label{font-size:.875rem;font-weight:500;color:var(--text-primary)}.preference-description{font-size:.75rem;color:var(--text-secondary);margin:0}.preference-options{display:flex;flex-direction:column;gap:.5rem}.preference-option{display:flex;align-items:center;gap:.75rem;padding:.75rem 1rem;border:2px solid var(--border-color);border-radius:.5rem;background-color:var(--surface);color:var(--text-primary);font-size:.875rem;font-weight:500;text-align:left;transition:all .2s ease}.preference-option:hover:not(:disabled){border-color:var(--primary-color);background-color:#15803d0d}.preference-option.active{border-color:var(--primary-color);background-color:var(--primary-color);color:#fff}.preference-option:disabled{opacity:.5;cursor:not-allowed}.preference-icon{font-size:1.5rem;line-height:1}.preference-label-text{flex:1}.sidebar{background-color:var(--surface);border-right:1px solid var(--border-color);width:350px;display:flex;flex-direction:column;position:relative;transition:width .3s ease;overflow-y:auto}.sidebar.collapsed{width:50px}.sidebar-toggle{position:absolute;top:1rem;right:.5rem;background-color:var(--surface);border:1px solid var(--border-color);border-radius:.25rem;padding:.5rem;font-size:1rem;color:var(--text-secondary);z-index:10}.sidebar-toggle:hover{background-color:var(--background);color:var(--text-primary)}.sidebar-content{padding:1.5rem;display:flex;flex-direction:column;gap:1.5rem}.sidebar-section{display:flex;flex-direction:column;gap:.75rem}.sidebar-title{font-size:1.25rem;font-weight:600;color:var(--text-primary);margin:0}.sidebar-description{font-size:.875rem;color:var(--text-secondary);margin:0}.sidebar-error{display:flex;gap:.75rem;padding:1rem;background-color:#fef2f2;border:1px solid #fecaca;border-radius:.5rem;color:var(--error-color)}.error-icon{font-size:1.25rem;flex-shrink:0}.sidebar-error p{margin:0;font-size:.875rem;line-height:1.5}.sidebar-actions{display:flex;flex-direction:column;gap:.75rem}.button{padding:.75rem 1.5rem;border-radius:.5rem;font-size:1rem;font-weight:500;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:all .2s ease}.button-primary{background-color:var(--primary-color);color:#fff}.button-primary:hover:not(:disabled){background-color:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow)}.button-secondary{background-color:transparent;color:var(--text-primary);border:1px solid var(--border-color)}.button-secondary:hover:not(:disabled){background-color:var(--background)}.spinner{width:1rem;height:1rem;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .6s linear infinite}.sidebar-footer{margin-top:auto;padding-top:1.5rem;border-top:1px solid var(--border-color)}.help-text{font-size:.875rem;color:var(--text-secondary);margin:0;line-height:1.5}@media (max-width: 768px){.sidebar{width:100%;border-right:none;border-bottom:1px solid var(--border-color);max-height:50vh}.sidebar.collapsed{max-height:50px;width:100%}}.floor-switcher{position:absolute;top:1rem;left:1rem;background-color:var(--surface);border:1px solid var(--border-color);border-radius:.5rem;padding:.75rem 1rem;display:flex;align-items:center;gap:1rem;box-shadow:var(--shadow);z-index:10}.floor-label{font-size:.875rem;font-weight:500;color:var(--text-secondary);display:flex;align-items:center;gap:.5rem}.multi-floor-badge{display:inline-block;padding:.25rem .5rem;background-color:#8b5cf6;color:#fff;font-size:.75rem;font-weight:600;border-radius:.25rem;text-transform:uppercase;letter-spacing:.025em}.floor-tabs{display:flex;gap:.5rem}.floor-tab{min-width:3rem;padding:.5rem 1rem;background-color:var(--surface);border:1px solid var(--border-color);border-radius:.375rem;font-size:.875rem;font-weight:500;color:var(--text-primary);transition:all .2s ease;position:relative}.floor-tab:hover:not(:disabled){background-color:var(--background);border-color:var(--primary-color)}.floor-tab.active{background-color:var(--primary-color);border-color:var(--primary-color);color:#fff}.floor-tab:disabled{cursor:default}.floor-tab.in-route:not(.active){border-color:var(--secondary-color);background-color:#fbbf241a}.route-indicator{position:absolute;top:-4px;right:-4px;color:var(--secondary-color);font-size:.75rem}.floor-tab.active .route-indicator{color:#fff}@media (max-width: 768px){.floor-switcher{left:50%;transform:translate(-50%)}}.floor-map-container{flex:1;position:relative;overflow:hidden;background-color:#fafafa}.floor-map{width:100%;height:100%;display:block}.floor-map.panning{cursor:grabbing}.floor-map:not(.panning){cursor:grab}.node{transition:r .2s ease,filter .2s ease}.node:hover{filter:brightness(1.2);r:14}.route-edge{animation:dash 1s linear infinite}@keyframes dash{to{stroke-dashoffset:-20}}.node-label{-webkit-user-select:none;user-select:none;pointer-events:none}.map-controls{position:absolute;top:1rem;right:1rem;display:flex;flex-direction:column;gap:.5rem;background-color:var(--surface);border:1px solid var(--border-color);border-radius:.5rem;padding:.5rem;box-shadow:var(--shadow);z-index:10}.map-control-button{width:2.5rem;height:2.5rem;background-color:var(--surface);border:1px solid var(--border-color);border-radius:.25rem;font-size:1.25rem;color:var(--text-primary);display:flex;align-items:center;justify-content:center;transition:all .2s ease}.map-control-button:hover{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.zoom-level{font-size:.75rem;text-align:center;color:var(--text-secondary);padding:.25rem 0}.map-legend{position:absolute;bottom:1rem;left:1rem;background-color:var(--surface);border:1px solid var(--border-color);border-radius:.5rem;padding:1rem;box-shadow:var(--shadow);display:grid;grid-template-columns:repeat(6,auto);gap:.4rem .75rem;z-index:10}.legend-item{display:flex;align-items:center;gap:.5rem;font-size:.875rem;color:var(--text-primary)}.legend-color{width:1rem;height:1rem;border-radius:50%;border:2px solid white;box-shadow:0 1px 2px #0000001a}.legend-emoji{display:inline-block;width:1.5em;text-align:center;margin-right:.4em;font-size:1.1em}@media (max-width: 768px){.map-controls{flex-direction:row;top:auto;bottom:1rem;right:1rem;left:auto}.zoom-level{padding:0 .5rem}.map-legend{flex-direction:row;flex-wrap:wrap;left:1rem;right:1rem;bottom:4rem}}.directions-panel{position:absolute;bottom:2rem;right:2rem;width:400px;max-height:60vh;background-color:var(--surface);border:1px solid var(--border-color);border-radius:.75rem;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;overflow:hidden;z-index:50}.directions-header{padding:1.5rem;border-bottom:1px solid var(--border-color);display:flex;justify-content:space-between;align-items:flex-start;gap:1rem}.directions-title{font-size:1.125rem;font-weight:600;color:var(--text-primary);margin:0 0 .5rem}.directions-summary{margin-top:8px;display:flex;gap:16px;flex-wrap:wrap}.summary-item{color:#6b7280;font-size:14px;display:flex;align-items:center;gap:6px}.summary-item strong{color:#1f2937}.directions-controls{display:flex;flex-direction:row;gap:8px;align-items:center;flex-shrink:0}.directions-btn{width:18px;height:18px;border-radius:50%;border:none;padding:0;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:filter .15s ease;position:relative}.directions-btn:hover{filter:brightness(.9)}.directions-btn-close{background-color:#ff5f57}.directions-btn-toggle{background-color:#28c940}.directions-btn-icon{opacity:0;font-size:18px;color:#1a1a1a;line-height:1;pointer-events:none;transition:opacity .1s ease}.directions-btn:hover .directions-btn-icon{opacity:1}.directions-list{list-style:none;padding:1rem;margin:0;overflow-y:auto;flex:1}.direction-step{display:flex;gap:1rem;padding:1rem;border-radius:.5rem;margin-bottom:.5rem;transition:background-color .15s ease}.direction-step:hover{background-color:var(--background)}.step-number{width:2rem;height:2rem;background-color:var(--primary-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.875rem;flex-shrink:0}.step-text{flex:1;line-height:2rem;color:var(--text-primary)}.direction-step.floor-transition{background-color:#8b5cf61a;border-left:3px solid #8b5cf6}.direction-step.floor-transition .step-number{background-color:#8b5cf6}.direction-step.floor-transition:hover{background-color:#8b5cf626}.transition-icon{font-style:normal;margin-right:.25rem}@media (max-width: 768px){.directions-panel{position:fixed;bottom:0;right:0;left:0;width:100%;max-height:50vh;border-radius:.75rem .75rem 0 0}}.auth-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-in}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.auth-modal{background:#fff;border-radius:12px;padding:0;max-width:420px;width:90%;box-shadow:0 10px 40px #0003;animation:slideUp .3s ease-out}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.auth-modal-header{display:flex;justify-content:space-between;align-items:center;padding:24px 24px 16px;border-bottom:1px solid #e5e7eb}.auth-modal-header h2{margin:0;font-size:24px;font-weight:600;color:#1f2937}.auth-modal-close{background:none;border:none;font-size:24px;color:#6b7280;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s}.auth-modal-close:hover{background:#f3f4f6;color:#1f2937}.auth-form{padding:24px}.auth-error{background:#fee2e2;color:#991b1b;padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:14px;border:1px solid #fecaca}.form-group{margin-bottom:20px}.form-group label{display:block;margin-bottom:8px;font-weight:500;color:#374151;font-size:14px}.form-group input{width:100%;padding:12px 16px;border:1px solid #d1d5db;border-radius:8px;font-size:15px;transition:all .2s;box-sizing:border-box}.form-group input:focus{outline:none;border-color:#3b82f6;box-shadow:0 0 0 3px #3b82f61a}.form-group input:disabled{background:#f9fafb;cursor:not-allowed}.auth-submit-btn{width:100%;padding:12px;background:#3b82f6;color:#fff;border:none;border-radius:8px;font-size:16px;font-weight:600;cursor:pointer;transition:all .2s;margin-top:8px}.auth-submit-btn:hover:not(:disabled){background:#2563eb;transform:translateY(-1px);box-shadow:0 4px 12px #3b82f64d}.auth-submit-btn:disabled{background:#9ca3af;cursor:not-allowed;transform:none}.auth-toggle{padding:16px 24px 20px;border-top:1px solid #e5e7eb;text-align:center}.auth-toggle-btn{background:none;border:none;color:#3b82f6;font-size:14px;cursor:pointer;padding:8px;transition:color .2s;text-decoration:underline}.auth-toggle-btn:hover:not(:disabled){color:#2563eb}.auth-toggle-btn:disabled{color:#9ca3af;cursor:not-allowed}.auth-note{background:#f0f9ff;padding:16px 24px 20px;border-top:1px solid #e5e7eb;text-align:center}.auth-note small{color:#0369a1;font-size:13px;line-height:1.5}.history-panel-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .2s ease-in}.history-panel{background:#fff;border-radius:12px;width:90%;max-width:600px;max-height:80vh;display:flex;flex-direction:column;box-shadow:0 10px 40px #0003;animation:slideUp .3s ease-out}.history-header{display:flex;justify-content:space-between;align-items:center;padding:24px;border-bottom:1px solid #e5e7eb}.history-header h2{margin:0;font-size:24px;font-weight:600;color:#1f2937}.history-close{background:none;border:none;font-size:24px;color:#6b7280;cursor:pointer;padding:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:6px;transition:all .2s}.history-close:hover{background:#f3f4f6;color:#1f2937}.history-content{flex:1;overflow-y:auto;padding:16px}.history-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:#6b7280}.spinner{width:40px;height:40px;border:4px solid #e5e7eb;border-top-color:#3b82f6;border-radius:50%;animation:spin .8s linear infinite;margin-bottom:16px}@keyframes spin{to{transform:rotate(360deg)}}.history-error{text-align:center;padding:60px 20px;color:#991b1b}.history-error p{margin-bottom:16px}.retry-btn{padding:8px 16px;background:#3b82f6;color:#fff;border:none;border-radius:6px;cursor:pointer;font-size:14px;transition:background .2s}.retry-btn:hover{background:#2563eb}.history-empty{text-align:center;padding:60px 20px;color:#6b7280}.empty-icon{font-size:48px;margin-bottom:16px}.history-empty h3{margin:0 0 8px;color:#1f2937;font-size:18px;font-weight:600}.history-empty p{margin:0;color:#6b7280;font-size:14px;line-height:1.5}.history-list{display:flex;flex-direction:column;gap:12px}.history-item{background:#f9fafb;border:1px solid #e5e7eb;border-radius:8px;padding:16px;cursor:pointer;transition:all .2s}.history-item:hover{background:#f3f4f6;border-color:#3b82f6;transform:translateY(-2px);box-shadow:0 4px 12px #0000001a}.history-item-main{margin-bottom:8px}.history-route{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}.route-origin,.route-destination{font-weight:600;color:#1f2937;font-size:15px}.route-arrow{color:#3b82f6;font-weight:700}.history-meta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}.meta-item{font-size:13px;color:#6b7280;display:flex;align-items:center;gap:4px}.meta-badge{font-size:12px;padding:2px 8px;background:#dbeafe;color:#1e40af;border-radius:12px}.history-timestamp{font-size:12px;color:#9ca3af;margin-top:8px}@media (max-width: 768px){.history-panel{width:95%;max-height:85vh}.history-header{padding:20px 16px}.history-content{padding:12px}}.app{display:flex;flex-direction:column;height:100vh;overflow:hidden}.app-content{display:flex;flex:1;overflow:hidden}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative;background-color:var(--background)}@media (max-width: 768px){.app-content{flex-direction:column}}*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #15803d;--primary-hover: #166534;--secondary-color: #fbbf24;--background: #f9fafb;--surface: #ffffff;--text-primary: #111827;--text-secondary: #6b7280;--border-color: #e5e7eb;--error-color: #dc2626;--success-color: #16a34a;--shadow: 0 1px 3px 0 rgba(0, 0, 0, .1), 0 1px 2px -1px rgba(0, 0, 0, .1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -4px rgba(0, 0, 0, .1)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background-color:var(--background);color:var(--text-primary);line-height:1.6}button{font-family:inherit;cursor:pointer;border:none;outline:none;transition:all .2s ease}button:disabled{opacity:.5;cursor:not-allowed}input,select,textarea{font-family:inherit;font-size:1rem}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}
