@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800&family=Noto+Sans+TC:wght@300;400;500;700;900&display=swap";:root{--font-family: "Outfit", "Noto Sans TC", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--bg-color: hsl(210, 30%, 97%);--bg-gradient: radial-gradient(circle at 50% 0%, hsl(210, 40%, 93%) 0%, hsl(210, 30%, 97%) 100%);--panel-bg: rgba(255, 255, 255, .72);--panel-border: rgba(0, 0, 0, .06);--panel-glow: rgba(0, 110, 255, .01);--primary-hsl: 205, 95%, 45%;--primary: hsl(var(--primary-hsl));--primary-glow: rgba(0, 110, 255, .18);--secondary-hsl: 185, 90%, 40%;--secondary: hsl(var(--secondary-hsl));--secondary-glow: rgba(0, 180, 200, .15);--accent-hsl: 260, 85%, 55%;--accent: hsl(var(--accent-hsl));--text-primary: hsl(220, 35%, 15%);--text-secondary: hsl(220, 15%, 42%);--text-muted: hsl(220, 10%, 62%);--success: #00a870;--warning: #d99100;--danger: #e03131;--border-radius-lg: 20px;--border-radius-md: 12px;--border-radius-sm: 8px;--transition: all .3s cubic-bezier(.25, .8, .25, 1);--shadow: 0 8px 32px 0 rgba(10, 20, 40, .06), 0 1px 3px 0 rgba(0, 0, 0, .02)}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}body{font-family:var(--font-family);background:var(--bg-color);background-image:var(--bg-gradient);color:var(--text-primary);min-height:100vh;overflow-x:hidden;line-height:1.6}.glass-panel{background:var(--panel-bg);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--panel-border);border-radius:var(--border-radius-lg);box-shadow:var(--shadow);padding:24px;position:relative;overflow:hidden;transition:var(--transition)}.glass-panel:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(135deg,#fff6,#fff0);pointer-events:none}.glass-panel:hover{border-color:#006eff26;box-shadow:0 12px 40px #0a14281a}h1,h2,h3,h4,h5,h6{font-weight:700;letter-spacing:-.02em}.glow-text{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;filter:drop-shadow(0 2px 10px rgba(0,110,255,.12))}.btn{font-family:var(--font-family);font-size:1rem;font-weight:600;padding:12px 24px;border-radius:var(--border-radius-md);border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:var(--transition);text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);color:#fff;box-shadow:0 4px 15px var(--primary-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 20px var(--primary-glow),0 0 10px #00b4c833}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:#00000008;color:var(--text-primary);border:1px solid rgba(0,0,0,.06)}.btn-secondary:hover{background:#0000000f;border-color:#0000001f;transform:translateY(-1px)}.btn-danger{background:#e0313114;color:var(--danger);border:1px solid rgba(224,49,49,.15)}.btn-danger:hover{background:#e0313126;border-color:#e031314d}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.form-group{margin-bottom:20px}.form-label{display:block;font-size:.9rem;font-weight:500;color:var(--text-secondary);margin-bottom:8px}.input-field{width:100%;padding:12px 16px;background:#ffffffd9;border:1px solid rgba(0,0,0,.09);border-radius:var(--border-radius-md);color:var(--text-primary);font-family:var(--font-family);font-size:1rem;transition:var(--transition)}.input-field:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px #006eff1a;background:#fff}.zone-selector{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}.zone-tag{padding:10px 16px;background:#00000008;border:1px solid rgba(0,0,0,.05);border-radius:50px;color:var(--text-secondary);cursor:pointer;font-size:.9rem;font-weight:500;transition:var(--transition);-webkit-user-select:none;user-select:none}.zone-tag:hover{background:#0000000f;border-color:#0000001a}.zone-tag.selected{background:#006eff14;border-color:var(--primary);color:var(--primary);box-shadow:0 0 8px #006eff1a}.app-container{display:flex;flex-direction:column;min-height:100vh;max-width:100%}.header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-bottom:1px solid var(--panel-border);background:#ffffff80;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);position:sticky;top:0;z-index:100}.main-content{flex:1;padding:24px 24px 100px;max-width:1200px;width:100%;margin:0 auto}.bottom-nav{position:fixed;bottom:0;left:0;width:100%;height:70px;background:#ffffffe6;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-top:1px solid var(--panel-border);display:flex;justify-content:space-around;align-items:center;padding-bottom:env(safe-area-inset-bottom);z-index:1000}.nav-item{display:flex;flex-direction:column;align-items:center;color:var(--text-muted);text-decoration:none;font-size:.75rem;font-weight:500;cursor:pointer;transition:var(--transition);border:none;background:none;gap:4px}.nav-item svg{width:22px;height:22px;stroke:currentColor;stroke-width:2;fill:none;transition:var(--transition)}.nav-item.active{color:var(--primary)}.nav-item.active svg{transform:scale(1.1);filter:drop-shadow(0 0 5px var(--primary-glow))}@media(min-width:769px){.app-container{flex-direction:row}.bottom-nav{display:none}.sidebar-nav{width:260px;height:100vh;background:#ffffffe6;border-right:1px solid var(--panel-border);display:flex;flex-direction:column;padding:30px 20px;position:sticky;top:0;z-index:1000;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px)}.sidebar-logo{font-size:1.3rem;font-weight:800;margin-bottom:40px;display:flex;align-items:center;gap:10px}.sidebar-menu{display:flex;flex-direction:column;gap:8px;flex:1}.sidebar-item{display:flex;align-items:center;gap:12px;padding:14px 18px;border-radius:var(--border-radius-md);color:var(--text-secondary);text-decoration:none;font-weight:600;cursor:pointer;transition:var(--transition);border:none;background:none;width:100%;text-align:left}.sidebar-item svg{width:20px;height:20px}.sidebar-item:hover{background:#00000005;color:var(--text-primary)}.sidebar-item.active{background:#006eff0f;color:var(--primary);border-left:3px solid var(--primary);border-radius:0 var(--border-radius-md) var(--border-radius-md) 0;padding-left:15px}.main-content{padding:40px}.header{display:none}}@media(max-width:768px){.sidebar-nav{display:none}}.timeline{position:relative;padding-left:20px;margin-top:20px}.timeline:before{content:"";position:absolute;left:0;top:0;width:2px;height:100%;background:#0000000f}.timeline-item{position:relative;margin-bottom:30px}.timeline-dot{position:absolute;left:-24px;top:6px;width:10px;height:10px;border-radius:50%;background:var(--primary);box-shadow:0 0 8px var(--primary-glow)}.timeline-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.timeline-date{font-size:1rem;font-weight:700;color:var(--text-primary)}.timeline-content{background:#00000003;border:1px solid rgba(0,0,0,.03);border-radius:var(--border-radius-md);padding:16px}.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(80px,1fr));gap:12px;margin-bottom:12px}.metric-card-sm{background:#00000005;border-radius:var(--border-radius-sm);padding:10px;text-align:center}.metric-label-sm{font-size:.75rem;color:var(--text-muted)}.metric-val-sm{font-size:1.1rem;font-weight:700;color:var(--text-primary)}.users-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px;margin-top:20px}.user-card{cursor:pointer;transition:var(--transition)}.user-card:hover{transform:translateY(-5px);border-color:var(--primary);box-shadow:0 8px 30px #006eff0f}.user-card-header{display:flex;align-items:center;gap:16px;margin-bottom:16px}.user-avatar{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;color:#fff}.chart-container{height:250px;position:relative;margin-top:20px;display:flex;align-items:flex-end;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(0,0,0,.06)}.chart-bar-group{display:flex;flex-direction:column;align-items:center;flex:1;height:100%;justify-content:flex-end}.chart-bar{width:24px;background:linear-gradient(180deg,var(--primary) 0%,rgba(0,110,255,.1) 100%);border-radius:var(--border-radius-sm) var(--border-radius-sm) 0 0;transition:var(--transition);position:relative}.chart-bar:hover{filter:brightness(1.1)}.chart-bar-val{position:absolute;top:-24px;left:50%;transform:translate(-50%);font-size:.75rem;font-weight:700;color:var(--text-primary)}.chart-label{font-size:.75rem;color:var(--text-muted);margin-top:8px;text-align:center;max-width:60px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.upload-area{border:2px dashed rgba(0,0,0,.1);border-radius:var(--border-radius-lg);padding:40px 20px;text-align:center;cursor:pointer;transition:var(--transition);background:#00000001}.upload-area:hover{border-color:var(--primary);background:#006eff05}.upload-icon{width:48px;height:48px;stroke:var(--text-muted);margin-bottom:16px}.upload-area:hover .upload-icon{stroke:var(--primary)}.posture-report-md{font-size:.95rem;color:var(--text-secondary)}.posture-report-md h2{font-size:1.1rem;color:var(--text-primary);margin-top:20px;margin-bottom:10px;border-left:3px solid var(--primary);padding-left:8px}.posture-report-md ul,.posture-report-md ol{padding-left:20px;margin-bottom:16px}.posture-report-md li{margin-bottom:8px}.posture-report-md p{margin-bottom:12px}.posture-report-md strong{color:var(--text-primary)}.before-after-container{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:20px}.ba-image-wrapper{position:relative;border-radius:var(--border-radius-md);overflow:hidden;border:1px solid var(--panel-border);aspect-ratio:3/4}.ba-image-wrapper img{width:100%;height:100%;object-fit:cover}.ba-label{position:absolute;bottom:12px;left:12px;background:#ffffffd9;color:var(--text-primary);padding:4px 10px;border-radius:4px;font-size:.75rem;font-weight:700;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);box-shadow:0 2px 8px #0000000d}@keyframes pulse{0%{box-shadow:0 0 #006eff66}70%{box-shadow:0 0 0 10px #006eff00}to{box-shadow:0 0 #006eff00}}.pulse-dot{width:12px;height:12px;background:var(--primary);border-radius:50%;animation:pulse 2s infinite}.spinner{width:24px;height:24px;border:3px solid rgba(0,0,0,.08);border-radius:50%;border-top-color:var(--primary);animation:spin 1s ease-in-out infinite}@keyframes spin{to{transform:rotate(360deg)}}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#0a141e99;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:2000;padding:16px}.modal-content{background:#fcfcfd;border:1px solid var(--panel-border);border-radius:var(--border-radius-lg);max-width:800px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow)}.modal-header{padding:20px 24px;border-bottom:1px solid rgba(0,0,0,.05);display:flex;justify-content:space-between;align-items:center}.modal-body{padding:24px}.modal-close{background:none;border:none;color:var(--text-secondary);cursor:pointer;padding:4px;transition:var(--transition)}.modal-close:hover{color:var(--text-primary)}