:root{--ink: #1b2733;--ink-soft: #55606c;--card: rgba(255, 255, 255, .92);--card-solid: #ffffff;--line: rgba(20, 40, 60, .1);--accent: #f5a01e;--accent-ink: #7a4d00;--start: #2e9e5b;--dest: #e0483f;--shadow: 0 10px 40px rgba(20, 40, 70, .18);--radius: 16px;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;width:100%;overflow:hidden}body{background:#dfe6ec;color:var(--ink);-webkit-font-smoothing:antialiased;touch-action:none;-webkit-user-select:none;user-select:none}.app-root{position:fixed;top:0;right:0;bottom:0;left:0}.app-root canvas{display:block;outline:none}.loading-screen{position:fixed;top:0;right:0;bottom:0;left:0;display:grid;place-items:center;background:linear-gradient(160deg,#eef3f8,#dbe6ef);z-index:50}.loading-card{display:flex;flex-direction:column;align-items:center;gap:14px;padding:40px 56px}.loading-logo,.brand-badge,.loading-title{font-weight:800}.loading-logo{font-size:44px;letter-spacing:2px;color:var(--accent)}.loading-title{font-size:20px;color:var(--ink)}.loading-sub,.loading-error{color:var(--ink-soft);font-size:14px}.loading-error{color:var(--dest);font-weight:600}.loading-error-detail{font-size:12px;color:var(--ink-soft);max-width:360px;text-align:center;word-break:break-word}.loading-spinner{width:34px;height:34px;border-radius:50%;border:4px solid rgba(20,40,60,.12);border-top-color:var(--accent);animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.hud-top-left{position:fixed;top:20px;left:20px;z-index:20}.brand{display:flex;align-items:center;gap:12px;background:var(--card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);padding:10px 16px 10px 12px;border-radius:var(--radius);box-shadow:var(--shadow)}.brand-badge{width:42px;height:42px;border-radius:12px;background:linear-gradient(150deg,var(--accent),#e07d12);color:#fff;display:grid;place-items:center;font-size:15px;letter-spacing:.5px}.brand-title{font-weight:700;font-size:15px;line-height:1.1}.brand-sub{font-size:12px;color:var(--ink-soft)}.hud-top-right{position:fixed;top:20px;right:20px;z-index:20;display:flex;gap:10px}.pill-btn{border:none;background:var(--card);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);box-shadow:var(--shadow);color:var(--ink);font-weight:600;font-size:14px;padding:11px 16px;border-radius:999px;cursor:pointer;min-height:44px;transition:transform .12s ease,background .12s ease}.pill-btn:hover{background:#fff;transform:translateY(-1px)}.pill-btn:active{transform:translateY(0)}.pill-btn.icon{padding:11px 14px;font-size:16px}.building-card{position:fixed;left:20px;bottom:20px;z-index:20;width:min(360px,calc(100vw - 40px));background:var(--card-solid);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;display:flex;gap:14px;animation:cardin .22s ease}@keyframes cardin{0%{opacity:0;transform:translateY(10px)}}.card-close{position:absolute;top:10px;right:12px;border:none;background:transparent;color:var(--ink-soft);font-size:15px;cursor:pointer;padding:4px}.card-letter{width:54px;height:54px;flex:0 0 auto;border-radius:14px;display:grid;place-items:center;font-size:24px;font-weight:800;color:#fff;background:#c79a3f}.card-letter[data-zone=hospital]{background:#8a929b}.card-letter[data-zone=health]{background:#3f9c9c}.card-letter[data-zone=social]{background:#6a5f86}.card-letter[data-zone=admin]{background:#b5642e}.card-name{font-weight:700;font-size:16px;padding-right:20px}.card-meta{font-size:13px;color:var(--ink-soft);margin-top:2px}.card-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.act-btn{border:none;border-radius:10px;padding:9px 12px;font-size:13px;font-weight:600;cursor:pointer;min-height:40px;color:#fff;background:var(--ink);transition:filter .12s ease}.act-btn:hover{filter:brightness(1.08)}.act-btn.start{background:var(--start)}.act-btn.dest{background:var(--dest)}.badge{width:34px;height:34px;border-radius:50%;border:2.5px solid #fff;background:var(--accent, #c79a3f);color:#fff;font-weight:800;font-size:16px;cursor:pointer;box-shadow:0 3px 10px #0000004d;display:grid;place-items:center;transition:transform .12s ease;padding:0;line-height:1}.badge:hover{transform:scale(1.14)}.badge-start{background:var(--start)!important;box-shadow:0 0 0 4px #2e9e5b59}.badge-dest{background:var(--dest)!important;box-shadow:0 0 0 4px #e0483f59}.route-bar{position:fixed;bottom:22px;left:50%;transform:translate(-50%);z-index:22;display:flex;align-items:center;gap:12px;background:var(--card-solid);border-radius:999px;box-shadow:var(--shadow);padding:8px 12px 8px 8px;max-width:calc(100vw - 40px)}.rb-fields{display:flex;align-items:center;gap:4px}.rb-field{display:flex;align-items:center;gap:10px;border:none;background:transparent;cursor:pointer;padding:8px 14px;border-radius:999px;min-height:44px;min-width:150px;transition:background .12s ease}.rb-field:hover{background:#14283c0d}.rb-dot{width:12px;height:12px;border-radius:50%;flex:0 0 auto}.rb-dot.start{background:var(--start)}.rb-dot.dest{background:var(--dest)}.rb-label{display:flex;flex-direction:column;align-items:flex-start;line-height:1.15}.rb-cap{font-size:10.5px;text-transform:uppercase;letter-spacing:.5px;color:var(--ink-soft);font-weight:700}.rb-value{font-size:14px;font-weight:600;max-width:200px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.rb-value.ph{color:var(--ink-soft);font-weight:500}.rb-swap{border:none;background:#14283c0f;width:34px;height:34px;border-radius:50%;cursor:pointer;font-size:15px;color:var(--ink)}.rb-swap:hover{background:#14283c1f}.rb-access{display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;color:var(--ink-soft);cursor:pointer;padding:6px 12px;border-radius:999px;white-space:nowrap}.rb-access.on{background:#2e9e5b24;color:var(--start)}.rb-access input{accent-color:var(--start);width:16px;height:16px}.palette-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;background:#121e2c47;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:grid;place-items:start center;padding-top:12vh;animation:fade .15s ease}@keyframes fade{0%{opacity:0}}.palette{width:min(460px,calc(100vw - 32px));background:var(--card-solid);border-radius:18px;box-shadow:0 24px 70px #0a142859;overflow:hidden;animation:cardin .18s ease}.palette-head{display:flex;align-items:center;gap:10px;padding:16px 18px 4px}.palette-title{font-weight:700;font-size:15px;flex:1}.palette-close{border:none;background:transparent;color:var(--ink-soft);cursor:pointer;font-size:15px}.palette-input{width:calc(100% - 36px);margin:10px 18px 12px;padding:13px 16px;border:1.5px solid var(--line);border-radius:12px;font-size:16px;outline:none}.palette-input:focus{border-color:var(--accent)}.palette-list{max-height:46vh;overflow-y:auto;padding:0 10px 10px}.palette-item{display:flex;align-items:center;gap:12px;width:100%;border:none;background:transparent;cursor:pointer;padding:10px 12px;border-radius:10px;text-align:left;min-height:48px}.palette-item:hover{background:#14283c0f}.pi-letter{width:30px;height:30px;border-radius:8px;color:#fff;font-weight:800;display:grid;place-items:center;flex:0 0 auto;font-size:14px}.pi-name{font-size:14.5px;font-weight:600}.palette-empty{text-align:center;color:var(--ink-soft);padding:20px}.route-panel{position:fixed;top:84px;right:20px;z-index:21;width:min(320px,calc(100vw - 40px));background:var(--card-solid);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;animation:cardin .2s ease}.rp-head{display:flex;align-items:center;gap:14px;padding:14px 16px;border-bottom:1px solid var(--line)}.rp-stat{text-align:center;line-height:1}.rp-stat-val{font-size:22px;font-weight:800;color:var(--accent-ink)}.rp-stat-cap{font-size:11px;color:var(--ink-soft);margin-top:2px}.rp-title{flex:1;font-weight:700;font-size:14px;text-align:right}.rp-clear{border:none;background:#14283c12;color:var(--ink);padding:8px 12px;border-radius:8px;font-size:12.5px;font-weight:600;cursor:pointer;min-height:38px}.rp-clear:hover{background:#14283c21}.rp-steps{max-height:44vh;overflow-y:auto;padding:8px}.rp-step{display:flex;align-items:center;gap:12px;padding:10px;border-radius:9px;cursor:default}.rp-step:hover{background:#f5a01e1a}.rp-icon{width:26px;height:26px;flex:0 0 auto;border-radius:50%;background:#14283c0f;display:grid;place-items:center;font-size:14px;color:var(--ink)}.rp-step.depart .rp-icon{background:var(--start);color:#fff}.rp-step.arrive .rp-icon{background:var(--dest);color:#fff}.rp-step.vertical .rp-icon{background:var(--accent);color:#fff}.rp-text{font-size:13.5px}.rp-noroute{padding:18px;color:var(--dest);font-weight:600;font-size:14px}.room-label{background:#fff;color:var(--ink);font-size:12px;font-weight:600;padding:5px 9px;border-radius:8px;white-space:nowrap;box-shadow:0 3px 10px #00000038;pointer-events:none}.vert-label{font-size:16px;pointer-events:none;filter:drop-shadow(0 1px 2px rgba(0,0,0,.3))}.floor-switcher{position:fixed;right:20px;top:50%;transform:translateY(-50%);z-index:22;background:var(--card-solid);border-radius:16px;box-shadow:var(--shadow);padding:12px;display:flex;flex-direction:column;align-items:center;gap:10px;animation:cardin .2s ease}.fs-head{display:flex;flex-direction:column;align-items:center;gap:4px;max-width:120px}.fs-badge{width:30px;height:30px;border-radius:8px;background:var(--accent);color:#fff;font-weight:800;display:grid;place-items:center}.fs-name{font-size:11px;font-weight:600;text-align:center;color:var(--ink-soft);line-height:1.15}.fs-floors{display:flex;flex-direction:column;gap:6px}.fs-floor{width:46px;height:46px;border:none;border-radius:12px;background:#14283c0f;color:var(--ink);font-weight:700;font-size:16px;cursor:pointer;transition:background .12s ease}.fs-floor:hover{background:#14283c21}.fs-floor.active{background:var(--accent);color:#fff}.fs-exit{border:none;background:#14283c12;color:var(--ink);font-weight:600;font-size:12.5px;padding:9px 12px;border-radius:10px;cursor:pointer;min-height:40px}.fs-exit:hover{background:#14283c21}.pi-text{display:flex;flex-direction:column;flex:1;min-width:0}.pi-sub{font-size:11.5px;color:var(--ink-soft)}.pi-tag{font-size:10.5px;font-weight:700;text-transform:uppercase;letter-spacing:.4px;color:var(--accent-ink);background:#f5a01e29;padding:3px 7px;border-radius:6px}