*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0d0d12;--bg2: #13131c;--bg3: #1a1a26;--border: rgba(255,255,255,.08);--text: #e8e8f0;--text-muted: #7a7a9a;--purple: #6c63ff;--pink: #ff6584;--green: #43d9ad;--radius: 14px;--transition: .2s ease}html{color-scheme:dark}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.6;min-height:100vh}.app-header{border-bottom:1px solid var(--border);background:linear-gradient(135deg,#0d0d12,#13131c);padding:28px 24px 24px}.header-inner{max-width:900px;margin:0 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var(--transition)}.history-btn:hover{border-color:var(--purple);color:var(--text)}.history-count{background:var(--purple);color:#fff;border-radius:10px;padding:1px 6px;font-size:11px;font-weight:700}.upload-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:start}.upload-refs-col{display:flex;flex-direction:column;gap:10px}.upload-ref-row{display:flex;align-items:stretch;gap:8px}.upload-ref-row .upload-box{flex:1}.remove-ref-btn{align-self:center;width:26px;height:26px;border-radius:50%;border:1px solid var(--border);background:var(--bg3);color:var(--text-muted);font-size:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:border-color var(--transition),color var(--transition)}.remove-ref-btn:hover{border-color:var(--pink);color:var(--pink)}.add-ref-btn{padding:8px 14px;border-radius:8px;border:1px dashed var(--border);background:transparent;color:var(--text-muted);font-size:13px;cursor:pointer;transition:border-color var(--transition),color var(--transition);text-align:center}.add-ref-btn:hover{border-color:var(--purple);color:var(--purple)}.priority-list{display:flex;flex-direction:column;gap:8px}.priority-item{display:flex;align-items:flex-start;gap:14px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.priority-badge{width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:800;color:#fff;flex-shrink:0}.priority-content{flex:1}.priority-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:3px}.priority-summary{font-size:13px;color:var(--text-muted);line-height:1.5}.section-comparison{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-top:16px}.section-cards{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.section-card{background:var(--bg3);border-radius:10px;padding:14px;flex:1 1 280px;min-width:260px;max-width:380px}.section-card-idx{font-size:11px;font-weight:700;letter-spacing:.5px;color:var(--text-muted);text-transform:uppercase;margin-bottom:6px}.section-card-meta{display:flex;flex-direction:column;gap:2px;margin-bottom:10px}.section-meta-label{font-size:12px;font-weight:600}.section-meta-time{font-weight:400;opacity:.7;font-size:11px}.section-loudness-row{display:flex;align-items:center;gap:10px;font-size:12px;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--border)}.section-stat-lbl{color:var(--text-muted);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.3px;flex:1}.section-freq-grid{display:flex;flex-direction:column;gap:5px}.section-freq-row{display:grid;grid-template-columns:36px 1fr 70px;align-items:center;gap:8px}.section-freq-lbl{font-size:10px;color:var(--text-muted);font-weight:500}.section-type-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}.section-type-name{font-size:13px;font-weight:700;color:var(--text);letter-spacing:.2px}.section-type-counts{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:600}.count-mismatch{color:#ffb347;font-size:13px;line-height:1}.section-absent{font-size:12px;font-style:italic;padding:4px 0 6px}.section-absent.wip-missing{color:var(--pink)}.section-absent.wip-only{color:var(--purple)}.chat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}.chat-placeholder{padding:20px 24px;font-size:14px;color:var(--text-muted);line-height:1.6;border-bottom:1px solid var(--border)}.chat-messages{padding:16px 20px;display:flex;flex-direction:column;gap:12px;max-height:420px;overflow-y:auto}.chat-message{display:flex}.chat-message.user{justify-content:flex-end}.chat-message.assistant{justify-content:flex-start}.chat-bubble{max-width:82%;padding:10px 14px;border-radius:12px;font-size:14px;line-height:1.55}.chat-message.user .chat-bubble{background:color-mix(in srgb,var(--purple) 18%,var(--bg3));border:1px solid color-mix(in srgb,var(--purple) 40%,transparent);color:var(--text);border-bottom-right-radius:4px}.chat-message.assistant .chat-bubble{background:var(--bg3);border:1px solid var(--border);color:var(--text);border-bottom-left-radius:4px}.chat-loading{display:flex;align-items:center;gap:8px;color:var(--text-muted)}.chat-input-row{display:flex;gap:10px;padding:14px 16px;border-top:1px solid var(--border);background:var(--bg3)}.chat-input{flex:1;background:var(--bg2);border:1px solid var(--border);border-radius:8px;color:var(--text);font-size:14px;font-family:inherit;padding:10px 14px;resize:none;outline:none;line-height:1.5;transition:border-color var(--transition)}.chat-input:focus{border-color:var(--purple)}.chat-send-btn{padding:0 20px;border-radius:8px;border:none;font-size:14px;font-weight:600;cursor:pointer;background:var(--bg3);color:var(--text-muted);transition:background var(--transition),color var(--transition);flex-shrink:0}.chat-send-btn.active{background:linear-gradient(135deg,var(--purple),var(--pink));color:#fff}.history-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;z-index:100;display:flex;align-items:flex-start;justify-content:flex-end;padding:20px}.history-panel{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);width:360px;max-height:calc(100vh - 40px);overflow-y:auto;display:flex;flex-direction:column}.history-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;font-size:15px;font-weight:600;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg2)}.history-close-btn,.history-clear-btn{background:none;border:1px solid var(--border);border-radius:6px;color:var(--text-muted);font-size:12px;padding:4px 8px;cursor:pointer;transition:border-color var(--transition),color var(--transition)}.history-close-btn:hover{border-color:var(--pink);color:var(--pink)}.history-clear-btn:hover{border-color:var(--text-muted);color:var(--text)}.history-empty{padding:24px 18px;font-size:14px;color:var(--text-muted);line-height:1.6}.history-list{display:flex;flex-direction:column;gap:0}.history-item{padding:14px 18px;border-bottom:1px solid var(--border)}.history-item:last-child{border-bottom:none}.history-item-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:2px}.history-wip{font-size:13px;font-weight:600;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.history-date{font-size:11px;color:var(--text-muted);flex-shrink:0}.history-refs{font-size:11px;color:var(--text-muted);margin-bottom:8px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.history-scores{display:flex;flex-direction:column;gap:4px}.history-score-row{display:flex;align-items:center;gap:8px}.history-score-badge{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;flex-shrink:0}.history-score-label{font-size:12px;color:var(--text-muted)}.waveform-section{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-top:16px}.waveform-chart-wrap{width:100%;overflow-x:auto}.waveform-svg{display:block;width:100%;height:auto;min-height:80px}.sidechain-panel{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-top:16px}.sidechain-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.sidechain-col-header{font-size:12px;font-weight:700;letter-spacing:.3px;text-transform:uppercase;margin-bottom:10px}.sidechain-track{display:flex;flex-direction:column;gap:8px}.sidechain-detected{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:20px;font-size:12px;font-weight:700;letter-spacing:.2px;width:fit-content}.sidechain-detected.yes{background:color-mix(in srgb,var(--green) 15%,transparent);color:var(--green);border:1px solid color-mix(in srgb,var(--green) 35%,transparent)}.sidechain-detected.yes:before{content:"●  ";font-size:8px}.sidechain-detected.no{background:color-mix(in srgb,var(--text-muted) 10%,transparent);color:var(--text-muted);border:1px solid var(--border)}.sidechain-detected.no:before{content:"○  ";font-size:8px}.sidechain-stats{display:flex;flex-wrap:wrap;gap:8px}.sc-stat{background:var(--bg3);border-radius:8px;padding:6px 10px;display:flex;flex-direction:column;gap:2px;min-width:60px}.sc-stat-lbl{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.3px;color:var(--text-muted)}.sc-stat-val{font-size:14px;font-weight:700}.sidechain-hint{font-size:12px;color:var(--text-muted);font-style:italic}.sidechain-flag{margin-top:14px;padding:10px 14px;border-radius:8px;font-size:13px;line-height:1.5}.sidechain-flag.warning{background:color-mix(in srgb,#ffb347 10%,transparent);border:1px solid color-mix(in srgb,#ffb347 30%,transparent);color:#ffb347}.sidechain-flag.info{background:color-mix(in srgb,var(--purple) 10%,transparent);border:1px solid color-mix(in srgb,var(--purple) 30%,transparent);color:color-mix(in srgb,var(--purple) 80%,white)}@media (max-width: 680px){.upload-grid{grid-template-columns:1fr}.upload-vs{display:none}.analysis-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}.suggestions-card{padding:20px 18px}.section-cards{flex-direction:column}.section-card{max-width:100%}.history-panel{width:100%}.history-overlay{padding:10px;align-items:flex-end}.sidechain-grid{grid-template-columns:1fr}}