:root{--bg: #0c0e14;--panel: #161a24;--panel-2: #1e2433;--border: #2d3548;--text: #eef0f6;--muted: #94a0b8;--accent: #6c8cff;--accent-hover: #8aa4ff;--danger: #ff6b7a;--ok: #5dd39e;font-family:Pretendard,Apple SD Gothic Neo,system-ui,sans-serif}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);line-height:1.5;min-height:100vh}#app.page-login{max-width:400px;margin:0 auto;padding:48px 20px;text-align:center}#app.page-login .brand{font-size:2rem;font-weight:800;color:var(--accent);margin-bottom:8px}#app.page-app{max-width:1080px;margin:0 auto;padding:20px 16px 64px}#app.page-catalog{max-width:1200px}.app-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}.brand-row{font-size:1.25rem;font-weight:700}.sub{color:var(--muted);margin:0 0 16px;font-size:.88rem}.tabs{display:flex;gap:8px;margin-bottom:16px}.tab{background:var(--panel);border:1px solid var(--border);color:var(--muted);padding:10px 18px;border-radius:999px;cursor:pointer}.tab.active{background:var(--accent);border-color:var(--accent);color:#fff}.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px;margin-bottom:16px}.card h2{margin:0 0 12px;font-size:1.1rem}.grid{display:grid;gap:12px}.grid-2{grid-template-columns:1fr 1fr}@media(max-width:720px){.grid-2{grid-template-columns:1fr}}label{display:flex;flex-direction:column;gap:6px;font-size:.82rem;color:var(--muted)}.field-hint{font-size:.75rem;color:var(--muted);word-break:break-all}input:not([type]),input[type=text],input[type=number],input[type=password],select{background:var(--bg);border:1px solid var(--border);border-radius:8px;color:var(--text);padding:10px 12px;font-size:.95rem}input.readonly{opacity:.7}input[type=file]{font-size:.82rem;color:var(--muted)}.row{display:flex;gap:8px;flex-wrap:wrap;align-items:center}.row.spread{justify-content:space-between}button{background:var(--accent);color:#fff;border:none;border-radius:8px;padding:10px 16px;font-size:.9rem;cursor:pointer}button:hover{background:var(--accent-hover)}button.secondary{background:transparent;border:1px solid var(--border);color:var(--text)}button.danger{background:var(--danger)}button.small{padding:6px 12px;font-size:.82rem}button.primary{font-weight:600}button.primary:disabled{opacity:.5;cursor:not-allowed}.hint{font-size:.8rem;color:var(--muted)}.status{padding:10px 12px;border-radius:8px;font-size:.88rem;margin:8px 0}.status.error{background:#ff6b7a1f;color:var(--danger)}.status.ok{background:#5dd39e1a;color:var(--ok)}.status.info{background:#6c8cff1a;color:var(--accent)}.catalog-head{align-items:center;margin-bottom:16px;flex-wrap:wrap;gap:10px}.catalog-head h2{margin:0}.catalog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.catalog-card-item{display:flex;flex-direction:column;background:var(--panel-2);border:1px solid var(--border);border-radius:12px;overflow:hidden;transition:border-color .15s,box-shadow .15s}.catalog-card-item.playing{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}.catalog-cover-wrap{aspect-ratio:1;background:var(--bg);display:flex;align-items:center;justify-content:center;overflow:hidden}.catalog-cover-wrap.no-cover:after{content:"♪";font-size:2.5rem;color:var(--muted);opacity:.35}.catalog-cover{width:100%;height:100%;object-fit:cover;display:block}.catalog-cover-wrap.no-cover .catalog-cover{display:none}.catalog-card-body{padding:12px 14px 8px;flex:1;display:flex;flex-direction:column;gap:4px}.catalog-title{margin:0;font-size:1.05rem;line-height:1.3}.catalog-artist{margin:0;color:var(--muted);font-size:.88rem}.catalog-bpm{margin:0 0 6px;font-size:.82rem;color:var(--muted)}.catalog-difficulties{display:flex;flex-wrap:wrap;gap:6px;min-height:26px}.catalog-diff-chip{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.72rem;font-weight:600;background:#6c8cff2e;color:var(--accent-hover);border:1px solid rgba(108,140,255,.35)}.catalog-diff-empty{font-size:.78rem;color:var(--muted)}.catalog-play-btn{margin:0 12px 12px;width:calc(100% - 24px)}.catalog-play-btn:disabled{opacity:.45;cursor:not-allowed}.catalog-error{color:var(--danger);margin:0 0 12px}.song-list{display:flex;flex-direction:column;gap:10px}.song-item{display:grid;grid-template-columns:1fr auto;gap:12px;align-items:center;padding:14px;background:var(--panel-2);border:1px solid var(--border);border-radius:10px}@media(max-width:640px){.song-item{grid-template-columns:1fr}}.song-item-info{display:flex;flex-direction:column;gap:4px}.song-item-info strong{font-size:1rem}.song-item-info .muted{color:var(--muted);font-size:.85rem}.id-tag{font-size:.75rem;color:var(--muted);background:var(--bg);padding:2px 6px;border-radius:4px;width:fit-content}.song-item-actions{display:flex;gap:8px;flex-shrink:0}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.72rem}.badge.on{background:#5dd39e26;color:var(--ok)}.badge.off{background:#9aa3b81f;color:var(--muted)}.editor-card h3{margin:20px 0 8px;font-size:.95rem;color:var(--text)}.diff-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}@media(max-width:720px){.diff-grid{grid-template-columns:1fr}}.diff-block{border:1px dashed var(--border);border-radius:10px;padding:12px;background:var(--bg)}.diff-head{flex-direction:row!important;align-items:center;color:var(--text)!important;font-weight:600;margin-bottom:8px}label.inline{flex-direction:row;align-items:center;gap:8px}.editor-actions{margin-top:16px;justify-content:flex-end}.editor-actions .primary{min-width:120px}.card.setup pre.code{background:var(--bg);border:1px solid var(--border);border-radius:8px;padding:12px;font-size:.85rem;overflow-x:auto}.hidden{display:none!important}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:99999;display:flex;align-items:center;justify-content:center;background:#080a10b8;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.loading-overlay.hidden{display:none!important}.loading-box{display:flex;flex-direction:column;align-items:center;gap:14px;padding:28px 36px;background:var(--panel);border:1px solid var(--border);border-radius:16px;min-width:200px}.loading-gif{display:block;object-fit:contain}.loading-gif.hidden{display:none}.loading-spinner{display:none;width:48px;height:48px;border:4px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .85s linear infinite}.loading-spinner.show{display:block}@keyframes spin{to{transform:rotate(360deg)}}.loading-msg{margin:0;font-size:.95rem;color:var(--muted);text-align:center}.chart-editor-card .chart-hint{margin-top:0}.chart-toolbar,.chart-transport,.chart-actions{gap:10px;align-items:center;margin-bottom:12px}.chart-toolbar label,.chart-actions label{font-size:.85rem;color:var(--muted)}.chart-toolbar select,.chart-toolbar input[type=number]{min-width:4rem}.chart-transport input[type=range]{flex:1;min-width:120px}.chart-time{font-variant-numeric:tabular-nums;color:var(--muted);min-width:7rem}.chart-timeline-box{border:1px solid var(--border);border-radius:10px;background:#0c0e14;overflow:hidden}.chart-lane-header{display:grid;grid-template-columns:repeat(4,76px) 36px;border-bottom:1px solid var(--border);background:#12151c}.chart-seek-header{padding:8px 4px;text-align:center;font-size:.7rem;color:var(--muted);border-left:1px solid var(--border);background:#12151c}.chart-scroll-inner{display:flex;flex-direction:row;align-items:stretch}.chart-seek-rail{flex:0 0 36px;width:36px;border-left:1px solid var(--border);background:#0a0c12;cursor:pointer;flex-shrink:0}.chart-seek-rail-inner{position:relative;width:100%;height:100%}.chart-seek-playhead{position:absolute;left:4px;right:4px;height:3px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px var(--accent);pointer-events:none;z-index:2}.chart-lane-label{padding:8px 4px;text-align:center;font-size:.75rem;color:var(--muted);border-right:1px solid var(--border)}.chart-lane-label:last-child{border-right:none}.chart-scroll-wrap{overflow-x:hidden;overflow-y:auto;max-height:min(70vh,520px);overscroll-behavior:contain}.chart-timeline-inner{position:relative;flex:0 0 auto}.chart-grid-layer,.chart-lane-div-layer,.chart-notes-layer{position:absolute;left:0;top:0;right:0;pointer-events:none}.chart-notes-layer{pointer-events:auto}.chart-lane-vdiv{position:absolute;top:0;bottom:0;width:1px;background:#ffffff14;pointer-events:none}.chart-grid-line{position:absolute;left:0;right:0;height:1px;background:#ffffff0f;pointer-events:none}.chart-grid-line.beat{background:#ffffff2e;height:2px}.chart-playhead{position:absolute;left:0;right:0;height:2px;background:var(--accent);box-shadow:0 0 8px var(--accent);z-index:4;pointer-events:none}.chart-note{position:absolute;border-radius:4px;display:flex;flex-direction:column;background:#34d39959;border:1px solid #34d399;z-index:2;touch-action:none}.chart-note.hold{background:#3b82f659;border-color:#3b82f6;flex-direction:column-reverse}.chart-note-body{flex:1;min-height:12px;cursor:grab}.chart-note-body:active{cursor:grabbing}.chart-handle{flex-shrink:0;height:8px;cursor:ns-resize;background:#ffffff59}.chart-handle-start{border-radius:0 0 4px 4px}.chart-handle-end{border-radius:4px 4px 0 0}.chart-status{margin-top:10px;font-size:.9rem;color:var(--muted)}.chart-status.warn{color:#fbbf24}.record-btn.active{background:#dc2626;border-color:#b91c1c;color:#fff}.metro-toggle{display:inline-flex;align-items:center;gap:6px;font-size:.85rem;color:var(--muted);cursor:pointer;-webkit-user-select:none;user-select:none}.metro-toggle input{accent-color:var(--accent)}.chart-nudge{gap:6px;align-items:center;padding:6px 10px;border:1px solid var(--border);border-radius:8px;background:#ffffff08}.chart-nudge .nudge-label{font-size:.85rem;color:var(--muted);margin-right:4px}.row.wrap{flex-wrap:wrap}