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var(--surface);border-radius:4px;position:absolute;top:4px;bottom:4px}.admin-candle-dot{background:var(--accent);width:9px;height:9px;box-shadow:0 0 0 2px var(--surface);border-radius:999px;position:absolute;top:50%;transform:translate(-50%,-50%)}.admin-candle-median{background:var(--text-primary);border-radius:2px;width:2px;position:absolute;top:1px;bottom:1px;transform:translate(-50%)}.admin-candle-axis .admin-candle-track{height:18px}.admin-candle-tick{color:var(--text-secondary);white-space:nowrap;font-size:11px;position:absolute;top:2px;transform:translate(-50%)}.admin-candle-legend{flex-wrap:wrap;align-items:center;gap:6px;margin:14px 0 0;display:flex}@media (width<=640px){.admin-candle-row{grid-template-columns:96px 1fr 36px;gap:8px;font-size:12px}}.admin-where{grid-template-columns:minmax(0,1.4fr) minmax(260px,1fr);align-items:start;gap:8px 28px;display:grid}.admin-where .admin-tree-wrap{grid-row:span 2}.admin-where .admin-stuck{border-top:none;margin-top:0;padding-top:0}.admin-where>.admin-card-sub{grid-column:2;margin:0}@media (width<=900px){.admin-where{grid-template-columns:1fr}.admin-where .admin-tree-wrap{grid-row:auto}.admin-where>.admin-card-sub{grid-column:auto}.admin-where .admin-stuck{border-top:1px solid var(--border-subtle);padding-top:14px}}.chord-explore[hidden]{display:none}.chord-explore{margin-top:12px;animation:.3s both chordLinkIn}@keyframes chordLinkIn{0%{opacity:0;transform:translateY(3px)}to{opacity:1;transform:none}}.chord-head{position:relative}.chord-back{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;margin-bottom:10px;padding:0;font-family:inherit;font-size:14px;font-weight:600}.chord-back:hover{color:var(--text-primary)}.chord-keybar{z-index:20;background:var(--surface);border:1px solid var(--border-subtle);box-shadow:var(--shadow-card);border-radius:16px;align-items:center;gap:8px;margin:0 0 28px;padding:10px;display:flex;position:sticky;top:336px}.chord-keys{scrollbar-width:none;flex:1;gap:4px;display:flex;position:relative;overflow-x:auto}.chord-keys::-webkit-scrollbar{display:none}.chord-key{min-width:38px;height:34px;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:10px;flex-shrink:0;padding:0 8px;font-family:inherit;font-size:14px;font-weight:600;transition:background .12s,color .12s}.chord-key:hover{background:var(--surface-muted);color:var(--text-primary)}.chord-key.active{background:var(--accent);color:var(--accent-ink)}.chord-key-step{border:1px solid var(--border-subtle);background:var(--surface);width:34px;height:34px;color:var(--text-secondary);cursor:pointer;border-radius:10px;flex-shrink:0;font-size:20px;line-height:1}.chord-key-step:hover{color:var(--text-primary)}.chord-order{background:var(--surface-muted);border:1px solid var(--border-subtle);border-radius:10px;flex-shrink:0;gap:2px;padding:3px;display:flex}.chord-order button{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:7px;padding:5px 9px;font-family:inherit;font-size:12.5px;font-weight:600}.chord-order button.active{background:var(--surface);color:var(--text-primary);box-shadow:var(--shadow-card)}.chord-section{margin-bottom:32px}.chord-section-head{align-items:center;gap:10px;margin:0 0 12px;display:flex}.chord-dot{border-radius:999px;flex-shrink:0;width:10px;height:10px}.chord-section-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-primary);font-size:12.5px;font-weight:700}.chord-section-num{color:var(--text-secondary);font-variant-numeric:tabular-nums;margin-left:auto;font-size:12.5px;font-weight:600}.chord-card{cursor:default;border-left:3px solid var(--tone);margin-bottom:12px;padding:22px 24px;transition:box-shadow .3s}.chord-card-top{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:12px;display:flex}.chord-card h3{color:var(--text-primary);margin:0;font-size:18px;font-weight:700}.chord-formula{color:var(--text-secondary);background:var(--surface-muted);border:1px solid var(--border-subtle);white-space:nowrap;border-radius:999px;padding:3px 9px;font-size:12.5px;font-weight:600}.chord-mood{color:var(--text-secondary);margin:4px 0 14px;font-size:14px}.chord-example{background:var(--surface-muted);border-radius:14px;margin-bottom:12px;padding:14px 16px}.chord-example-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:4px;font-size:11.5px;font-weight:700;display:block}.chord-example-chords{color:var(--text-primary);flex-wrap:wrap;align-items:baseline;gap:2px 0;font-size:21px;font-weight:700;display:flex}.chord-sep{color:var(--text-secondary);margin:0 8px;font-weight:400}.chord-more summary{color:var(--text-secondary);cursor:pointer;align-items:center;gap:4px;font-size:13.5px;font-weight:600;list-style:none;display:inline-flex}.chord-more summary::-webkit-details-marker{display:none}.chord-more summary:after{content:"+";font-size:16px;line-height:1;transition:transform .15s}.chord-more[open] summary:after{transform:rotate(45deg)}.chord-more summary:hover{color:var(--text-primary)}.chord-more p{color:var(--text-primary);max-width:640px;margin:10px 0 0;font-size:14.5px;line-height:1.65}.chord-tip{color:var(--text-primary);margin:12px 0 0;font-size:13.5px;font-weight:600}.chord-tip span{color:var(--tone)}.chord-card.is-highlight{animation:2.4s both chordHighlight}@keyframes chordHighlight{0%,60%{box-shadow:0 0 0 3px #f2751a8c, var(--shadow-card)}to{box-shadow:var(--shadow-card)}}.chord-tips{margin:8px 0 40px}.chord-tips h3{margin:0 0 14px;font-size:18px;font-weight:700}.chord-tips ol{flex-direction:column;gap:14px;margin:0;padding:0;list-style:none;display:flex}.chord-tips li{color:var(--text-primary);grid-template-columns:34px 1fr;gap:10px;font-size:14.5px;line-height:1.6;display:grid}.chord-tip-num{color:var(--accent-text);font-variant-numeric:tabular-nums;padding-top:1px;font-size:13px;font-weight:800}.chord-tips em{font-style:normal;font-weight:700}@media (width<=640px){.chord-keybar{flex-wrap:wrap}.chord-keys{flex-basis:100%;order:3}.chord-order{margin-left:auto}.chord-card{padding:18px}.chord-example-chords{font-size:18px}}@media (prefers-reduced-motion:reduce){.chord-explore,.chord-card.is-highlight{animation:none}}.lesson-preview{position:relative}.lesson-video-tag{letter-spacing:.04em;color:#ffffffd9;background:#00000059;border-radius:999px;padding:3px 9px;font-size:11px;font-weight:700;position:absolute;top:14px;right:14px}.vip-modal{text-align:center;max-width:440px}.vip-badge{letter-spacing:.12em;color:#8a5a00;background:linear-gradient(135deg,#fde68a,#f5b400);border-radius:999px;margin-bottom:12px;padding:5px 14px;font-size:12px;font-weight:800;display:inline-block}.vip-modal h2{margin:0 0 10px;font-family:Instrument Serif,Georgia,serif;font-size:34px;font-weight:400;line-height:1.1}.vip-lead{color:var(--text-secondary);margin:0 0 18px;font-size:15px;line-height:1.55}.vip-list{text-align:left;flex-direction:column;gap:9px;margin:0 0 22px;padding:0;list-style:none;display:flex}.vip-list li{color:var(--text-primary);gap:10px;font-size:14.5px;line-height:1.45;display:flex}.vip-list li:before{content:"✓";color:var(--accent);flex-shrink:0;font-weight:800}.vip-apply{text-align:center;text-decoration:none;display:block}.vip-note{color:var(--text-secondary);margin:10px 0 0;font-size:12.5px}.vip-member{color:var(--text-secondary);cursor:pointer;text-underline-offset:3px;background:0 0;border:none;margin-top:16px;padding:0;font-family:inherit;font-size:13.5px;font-weight:600;text-decoration:underline}.vip-member:hover{color:var(--text-primary)}