:root{--bg: #f0f2f5;--surface: #ffffff;--card: #ffffff;--border: rgba(0, 0, 0, .08);--border-h: rgba(0, 0, 0, .15);--text: #1a1b23;--muted: #6b6d7e;--label: #808290;--accent: #00a870;--accent2: #008cc9;--warn: #e63946;--ff-head: Georgia, serif;--ff-body: system-ui, sans-serif;--ff-mono: monospace;--grid-color: rgba(0, 168, 112, .08);--orb-1: rgba(0, 168, 112, .08);--orb-2: rgba(0, 140, 201, .08)}body.dark-mode{--bg: #0b0c10;--surface: #13141a;--card: #181921;--border: rgba(255, 255, 255, .07);--border-h: rgba(255, 255, 255, .14);--text: #e8e8f0;--muted: #6b6d7e;--label: #9395a5;--accent: #4fffb0;--accent2: #00d4ff;--grid-color: rgba(79, 255, 176, .04);--orb-1: rgba(79, 255, 176, .06);--orb-2: rgba(0, 212, 255, .04)}body{background:var(--bg);color:var(--text);font-family:var(--ff-body);transition:background .3s ease,color .3s ease}.ef-root{min-height:100vh;background:var(--bg);display:grid;grid-template-columns:1fr 480px;font-family:var(--ff-body);color:var(--text);overflow:hidden}.ef-left{position:relative;display:flex;flex-direction:column;justify-content:center;padding:80px 72px;overflow:hidden;background:var(--bg)}.ef-grid-bg{position:absolute;top:0;right:0;bottom:0;left:0;background-image:linear-gradient(var(--grid-color) 1px,transparent 1px),linear-gradient(90deg,var(--grid-color) 1px,transparent 1px);background-size:48px 48px}.ef-orb{position:absolute;border-radius:50%;pointer-events:none}.ef-orb-1{width:500px;height:500px;top:-100px;left:-120px;background:var(--orb-1)}.ef-orb-2{width:400px;height:400px;bottom:-80px;right:40px;background:var(--orb-2)}.ef-logo{display:flex;align-items:center;gap:10px;margin-bottom:72px;position:relative;z-index:1}.ef-logo-mark{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),var(--accent2));border-radius:10px;display:flex;align-items:center;justify-content:center}.ef-logo-name{font-weight:600;font-size:15px;color:var(--text)}.ef-logo-name span{color:var(--accent)}.ef-headline{font-family:var(--ff-head);font-size:clamp(36px,5vw,60px);line-height:1.1;font-weight:700;color:var(--text);margin-bottom:24px;position:relative;z-index:1}.ef-headline em{font-style:italic;color:var(--accent)}.ef-sub{font-size:14px;line-height:1.7;color:var(--muted);max-width:460px;margin-bottom:48px;position:relative;z-index:1}.ef-stats{display:flex;gap:40px;position:relative;z-index:1}.ef-stat-num{font-family:var(--ff-mono);font-size:26px;font-weight:300;color:var(--accent);line-height:1;margin-bottom:4px}.ef-stat-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}.ef-posture-badge{position:absolute;bottom:32px;left:32px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 16px;display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted);z-index:1}.ef-posture-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);animation:blink 1.5s ease-in-out infinite}.ef-right{background:var(--card);border-left:1px solid var(--border);display:flex;flex-direction:column;justify-content:center;padding:56px 48px;transition:background .3s}.ef-tab-row{display:flex;border:1px solid var(--border);border-radius:10px;padding:3px;margin-bottom:40px}.ef-tab{flex:1;padding:9px;border:none;background:transparent;cursor:pointer;border-radius:8px;font-size:13px;font-weight:500;color:var(--muted);transition:all .2s;font-family:var(--ff-body)}.ef-tab.active{background:var(--surface);color:var(--text)}.ef-form-title{font-family:var(--ff-head);font-size:26px;font-weight:700;color:var(--text);margin-bottom:8px}.ef-form-sub{font-size:13px;color:var(--muted);margin-bottom:32px}.ef-field{margin-bottom:20px}.ef-label{display:block;font-size:11px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--label);margin-bottom:8px}.ef-input-wrap{position:relative}.ef-input{width:100%;padding:13px 16px;background:var(--surface);border:1px solid var(--border);border-radius:10px;font-size:14px;color:var(--text);outline:none;transition:border-color .2s;box-sizing:border-box;font-family:var(--ff-body)}.ef-input::placeholder{color:var(--muted)}.ef-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #4fffb014}.ef-input-icon{position:absolute;right:14px;top:50%;transform:translateY(-50%);color:var(--muted);cursor:pointer;font-size:13px}.ef-error-msg{font-size:12px;color:var(--warn);margin-bottom:16px;display:flex;align-items:center;gap:5px}.ef-row{display:flex;justify-content:space-between;align-items:center;margin-bottom:28px}.ef-forgot{font-size:13px;color:var(--accent);cursor:pointer}.ef-btn{width:100%;padding:14px;background:var(--accent);border:none;border-radius:10px;font-size:14px;font-weight:600;color:#0b0c10;cursor:pointer;position:relative;overflow:hidden;transition:transform .15s,box-shadow .15s;font-family:var(--ff-body)}.ef-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 24px #4fffb040}.ef-btn:disabled{opacity:.5;cursor:not-allowed}.ef-btn-shimmer{position:absolute;top:0;left:-100%;width:60%;height:100%;background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);animation:shimmer 1.6s infinite}.ef-strength{display:flex;gap:4px;margin-top:8px}.ef-strength-seg{height:3px;flex:1;border-radius:2px;background:var(--border);transition:background .3s}.ef-footer-note{font-size:12px;color:var(--muted);text-align:center;margin-top:28px}.ef-footer-note span{color:var(--accent);cursor:pointer}.ef-success{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:20px 0;animation:fadeUp .4s ease}.ef-success-icon{width:64px;height:64px;border-radius:50%;background:#4fffb01f;border:1px solid rgba(79,255,176,.3);display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--accent)}.ef-spinner{width:18px;height:18px;border:2px solid var(--border);border-top-color:var(--text);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shimmer{to{left:160%}}@keyframes fadeUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes blink{0%,to{opacity:1}50%{opacity:.3}}.db-log-empty{font-size:12px;color:var(--muted);font-style:italic;text-align:center;padding:12px 0}.db-page{padding:32px 36px;min-height:100vh;font-family:system-ui,sans-serif;color:var(--text)}.db-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.db-greeting{font-size:22px;font-weight:600;margin-bottom:4px}.db-sub{font-size:13px;color:var(--muted)}.db-header-right{display:flex;align-items:center;gap:10px}.db-timer{font-family:monospace;font-size:13px;color:var(--label);padding:6px 12px;background:var(--surface);border:1px solid var(--border);border-radius:8px}.db-timer.active{color:var(--accent);background:#4fffb00f;border-color:#4fffb033}.db-btn-start{padding:10px 20px;background:var(--accent);border:none;border-radius:8px;font-size:13px;font-weight:600;color:#0b0c10;cursor:pointer}.db-btn-stop{padding:10px 20px;background:#ff6b6b1f;border:1px solid rgba(255,107,107,.25);border-radius:8px;font-size:13px;font-weight:600;color:var(--warn);cursor:pointer}.db-status-bar{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:10px;border:1px solid;margin-bottom:20px;transition:all .4s ease}.db-status-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;transition:all .3s}.db-status-text{font-size:14px;font-weight:600;transition:color .3s}.db-tracking-pill{background:#4fffb01a;color:var(--accent);font-size:11px;padding:2px 8px;border-radius:20px;border:1px solid rgba(79,255,176,.2)}.db-shortcut{margin-left:auto;font-size:11px;color:var(--muted);font-family:monospace;padding:2px 6px;background:var(--surface);border:1px solid var(--border);border-radius:4px}.db-error{background:#ff6b6b14;border:1px solid rgba(255,107,107,.2);border-radius:10px;padding:12px 16px;font-size:13px;color:var(--warn);margin-bottom:20px}.db-grid{display:grid;grid-template-columns:1fr 340px;gap:20px}.db-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;transition:background .3s,border .3s}.db-card-label{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:14px}.db-video-wrap{position:relative;border-radius:10px;overflow:hidden;border:2px solid;transition:border-color .4s;background:var(--bg);aspect-ratio:4/3;display:flex;align-items:center;justify-content:center}.db-video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}.db-video-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#0b0c10b3;gap:12px}.db-right{display:flex;flex-direction:column;gap:16px}.db-posture-row{display:flex;align-items:center;gap:16px}.db-posture-info{flex:1;min-width:0}.db-posture-label{font-size:20px;font-weight:700;margin-bottom:6px;transition:color .3s}.db-posture-desc{font-size:13px;color:var(--label);line-height:1.5}.db-no-alerts{font-size:13px;color:var(--muted);font-style:italic}.db-alert-list{display:flex;flex-direction:column;gap:8px}.db-alert-item{display:flex;align-items:flex-start;gap:8px;padding:10px 12px;background:#ff6b6b0f;border:1px solid rgba(255,107,107,.15);border-radius:8px}.db-alert-dot{width:6px;height:6px;border-radius:50%;background:var(--warn);margin-top:4px;flex-shrink:0}.db-alert-text{font-size:12px;color:#ff9f43;line-height:1.5}.db-log-list{display:flex;flex-direction:column;gap:4px;max-height:200px;overflow-y:auto}.db-log-item{display:flex;align-items:center;gap:8px;padding:6px 0;border-bottom:1px solid var(--border)}.db-log-time{font-family:monospace;font-size:10px;color:var(--muted);width:52px;flex-shrink:0}.db-log-status{font-size:12px;font-weight:500}.db-log-dot{width:5px;height:5px;border-radius:50%;flex-shrink:0}.db-tips{display:flex;flex-direction:column;gap:8px}.db-tip{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--label);line-height:1.4}.db-tip-icon{color:var(--accent);font-size:13px;flex-shrink:0}.an-page{padding:32px 36px;font-family:system-ui,sans-serif;color:var(--text);min-height:100vh}.an-header{margin-bottom:28px}.an-title{font-size:22px;font-weight:600;color:var(--text);margin-bottom:4px}.an-sub{font-size:13px;color:var(--muted)}.an-range-row{display:flex;gap:6px;margin-bottom:28px}.an-range-btn{padding:7px 14px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--muted);font-family:system-ui,sans-serif;font-size:12px;font-weight:500;cursor:pointer;transition:all .15s}.an-range-btn:hover{border-color:var(--border-h);color:var(--text)}.an-range-btn.active{background:#4fffb01a;border-color:#4fffb04d;color:var(--accent)}.an-stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:24px}.an-stat{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:20px;transition:background .3s,border .3s}.an-stat-label{font-size:11px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:10px}.an-stat-value{font-size:28px;font-family:monospace;font-weight:300;color:var(--text);line-height:1;margin-bottom:6px}.an-stat-value span{font-size:14px;color:var(--muted);margin-left:4px}.an-stat-delta{font-size:12px;color:var(--muted)}.an-chart-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-bottom:20px}.an-chart-full{margin-bottom:20px}.an-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:24px;transition:background .3s,border .3s}.an-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:20px}.an-card-title{font-size:12px;font-weight:600;letter-spacing:.07em;text-transform:uppercase;color:var(--muted)}.an-card-badge{font-size:11px;font-family:monospace;color:var(--accent);background:#4fffb01a;padding:3px 8px;border-radius:20px;border:1px solid rgba(79,255,176,.2)}.an-canvas-wrap{position:relative}.an-legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.an-legend-item{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--label);cursor:pointer}.an-legend-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}.an-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:180px;color:var(--muted);font-size:13px;gap:8px}.an-empty-icon{font-size:28px;opacity:.4}.an-score-bar-wrap{display:flex;align-items:center;gap:12px;margin-top:8px}.an-score-bar-bg{flex:1;height:6px;background:var(--surface);border-radius:3px;overflow:hidden}.an-score-bar-fill{height:100%;border-radius:3px;transition:width .8s ease}.an-breakdown{display:flex;flex-direction:column;gap:10px}.an-breakdown-row{display:flex;align-items:center;gap:10px}.an-breakdown-label{font-size:12px;color:var(--label);width:100px;flex-shrink:0}.an-breakdown-pct{font-size:12px;font-family:monospace;color:var(--text);width:36px;text-align:right;flex-shrink:0}.an-loading{display:flex;align-items:center;justify-content:center;height:240px}.an-spinner{width:28px;height:28px;border:2px solid rgba(79,255,176,.15);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite}.an-refresh-btn{padding:7px 14px;border-radius:8px;border:1px solid var(--border);background:transparent;color:var(--muted);font-family:system-ui,sans-serif;font-size:12px;cursor:pointer;transition:all .15s;margin-left:auto}.an-refresh-btn:hover{color:var(--accent);border-color:#4fffb04d}