/* Audio QC presentation. Typography inherits DM Sans + Noto Sans Thai from site styles. */
.qc-page .qc-shell,.qc-page .qc-hero .shell{max-width:980px}.qc-page .demo-nav{min-height:64px;gap:16px}.qc-page .demo-nav-actions{gap:16px;font-size:14px}.qc-page .demo-nav-actions a{display:inline-flex;align-items:center;min-height:44px}
.qc-page .demo-tool-nav{width:min(calc(100% - 64px),980px);max-width:980px;margin:10px auto 0;padding:0;gap:8px}.qc-page .demo-tool-nav a{min-height:44px;font-size:14px}.qc-page .demo-tool-nav .is-active{background:#211e18}
.qc-page .qc-hero{padding:18px 0 12px;background:none;border:0}.qc-page .section-index{margin:0 0 6px;font-size:12px;line-height:1.5;font-weight:700;letter-spacing:.12em;color:var(--gold)}.qc-page .qc-hero h1{margin:0 0 8px;font-size:clamp(48px,3.9vw,56px);line-height:1.12;letter-spacing:-.035em}.qc-page .qc-hero h1 span{color:var(--gold)}.qc-page .qc-hero p:last-child{margin:0;font-size:17px;line-height:1.5;color:var(--muted)}
.qc-page .qc-section{padding:4px 0 36px}.qc-page .qc-card{margin:0 0 12px;padding:18px 20px;border-color:var(--line);border-radius:12px;background:#121617;min-width:0}.qc-page .qc-card h2,.qc-page .qc-report h2{margin:0 0 12px;font-size:28px;line-height:1.25;letter-spacing:-.02em}
.qc-page .qc-topbar{display:flex;align-items:center;justify-content:space-between;gap:4px 16px;flex-wrap:wrap;margin:0 0 10px;padding:0;font-size:14px}.qc-page .qc-topbar>span{min-width:0;overflow-wrap:anywhere}.qc-page .qc-topbar a,.qc-page .qc-link{display:inline-flex;align-items:center;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:8px}.qc-page .qc-topbar a:hover,.qc-page .qc-link:hover{border-color:var(--gold);color:var(--gold)}
.qc-page .qc-drop{min-height:88px;padding:12px 16px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;border:1px dashed rgba(201,166,107,.6);border-radius:10px;background:#0e1112;text-align:center;cursor:pointer}.qc-page .qc-drop:hover,.qc-page .qc-drop.is-dragging{border-color:var(--gold);background:#151817}.qc-page .file-input:focus-visible+.qc-drop{outline:2px solid var(--gold);outline-offset:3px}.qc-page .qc-drop-title{font-size:17px;line-height:1.4}.qc-page .qc-drop-help{font-size:16px;line-height:1.5;font-weight:400;color:var(--muted)}
.qc-page .file-result{margin-top:10px;padding:12px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:12px}.qc-page .file-result strong{font-size:16px;line-height:1.5}.qc-page .file-result p,.qc-page .preview-player>p{font-size:14px;line-height:1.5;overflow-wrap:anywhere}.qc-page .preview-player{margin-top:10px;padding:12px}.qc-page .preview-head{flex-wrap:wrap;gap:4px 12px}.qc-page .preview-head span{font-size:12px}.qc-page .preview-head strong{font-size:14px}
.qc-page .analyze-button{min-height:44px;margin-top:10px;padding:8px 16px;font-size:16px;line-height:1.5;border-radius:8px}.qc-page #upload-button:not(:disabled){background:#151918;border-color:var(--gold);color:var(--gold)}.qc-page #upload-button:hover:not(:disabled){background:#24251f}.qc-page .analyze-button:disabled{color:#bcc5c1;background:#242928;border-color:#454e49;opacity:1}.qc-page .upload-progress,.qc-page .analysis-status{margin-top:10px;padding:12px}.qc-page .upload-progress strong{font-size:16px;margin-top:6px}.qc-page .upload-progress p,.qc-page .analysis-status p{font-size:14px;line-height:1.5}.qc-page .analysis-status strong{font-size:14px}.qc-page .qc-copy{margin:0;color:var(--muted);font-size:14px;line-height:1.6}.qc-page .qc-error{margin:10px 0 0;padding:10px 12px;border:1px solid rgba(210,91,82,.5);color:#f0b0aa;background:#211414;font-size:14px;line-height:1.5}
.qc-page .qc-report{margin-top:14px;padding:18px 20px;border:1px solid var(--line);border-radius:12px;background:#0d1011}.qc-page .qc-report-head{display:flex;align-items:end;justify-content:space-between;gap:12px;margin-bottom:12px}.qc-page .qc-report-head h2{margin:0}.qc-page #report-file{max-width:48%;color:var(--muted);font-size:13px;text-align:right;overflow-wrap:anywhere}
.qc-page .metric-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.qc-page .metric-card{min-width:0;padding:14px;border:1px solid var(--line);border-radius:10px;background:#121617}.qc-page .metric-card small{display:block;color:var(--gold);font:700 11px "DM Sans",sans-serif;letter-spacing:.11em}.qc-page .metric-card strong{display:block;margin:5px 0 2px;font:600 clamp(24px,3vw,34px) "DM Sans",sans-serif;line-height:1.1;letter-spacing:-.04em;font-variant-numeric:tabular-nums}.qc-page .metric-card span{color:var(--muted);font-size:12px}.qc-page .metric-card.is-warning{border-color:rgba(210,91,82,.7);background:#171110}.qc-page .metric-card.is-warning strong{color:#f0b0aa}
.qc-page .qc-detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:8px}.qc-page .qc-detail-card{padding:14px;border:1px solid var(--line);border-radius:10px;background:#121617;min-width:0}.qc-page .qc-detail-card h3{margin:0 0 10px;font-size:17px;letter-spacing:-.01em}.qc-page .qc-detail-card dl{display:grid;grid-template-columns:minmax(120px,.8fr) minmax(0,1.2fr);gap:6px 12px;margin:0}.qc-page .qc-detail-card dt{color:var(--muted);font-size:13px}.qc-page .qc-detail-card dd{margin:0;text-align:right;font:600 13px "DM Sans","Noto Sans Thai",sans-serif;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}.qc-page .integrity-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.qc-page .qc-badge{padding:4px 8px;border:1px solid rgba(93,180,115,.45);border-radius:999px;color:#8ed6a0;font:700 10px "DM Sans",sans-serif;letter-spacing:.08em}.qc-page .qc-badge.is-warning{border-color:rgba(210,91,82,.55);color:#f0b0aa}.qc-page .qc-note{margin:10px 0 0;color:var(--muted);font-size:13px;line-height:1.55}
.qc-page .channel-card{margin-top:8px}.qc-page .channel-list{display:grid;gap:6px}.qc-page .channel-row{display:grid;grid-template-columns:72px repeat(4,minmax(0,1fr));gap:8px;align-items:center;padding:9px 10px;border-top:1px solid var(--line);font-size:13px}.qc-page .channel-row:first-child{border-top:0}.qc-page .channel-row strong{color:var(--gold)}.qc-page .channel-metric{min-width:0}.qc-page .channel-metric small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em}.qc-page .channel-metric span{display:block;margin-top:2px;font-variant-numeric:tabular-nums;overflow-wrap:anywhere}.qc-page .qc-disclaimer{margin:12px 2px 0;color:#8f9794;font-size:13px;line-height:1.6}.qc-page .privacy-note{margin:12px 2px 0;font-size:13px;line-height:1.6}
@media(min-width:768px) and (max-width:1023px){.qc-page .demo-tool-nav{width:calc(100% - 48px)}.qc-page .qc-hero h1{font-size:clamp(40px,4.5vw,48px)}.qc-page .qc-card,.qc-page .qc-report{padding:16px 18px}.qc-page .qc-card h2,.qc-page .qc-report h2{font-size:26px}.qc-page .qc-drop-help{font-size:15px}.qc-page .metric-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:767px){.qc-page .shell,.qc-page .demo-tool-nav{width:calc(100% - 32px)}.qc-page .demo-nav{min-height:60px;gap:8px;flex-wrap:wrap;padding-block:4px}.qc-page .demo-brand{font-size:14px;letter-spacing:.08em}.qc-page .demo-nav-actions{font-size:13px}.qc-page .qc-topbar{align-items:flex-start;flex-direction:column;margin-bottom:8px}.qc-page .qc-hero{padding:14px 0 10px}.qc-page .qc-hero h1{font-size:clamp(34px,5vw,38px)}.qc-page .qc-hero p:last-child{font-size:16px}.qc-page .qc-card,.qc-page .qc-report{padding:14px}.qc-page .qc-card h2,.qc-page .qc-report h2{font-size:24px}.qc-page .qc-drop{padding:10px 12px}.qc-page .qc-drop-help{font-size:15px}.qc-page .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.qc-page .qc-detail-grid{grid-template-columns:1fr}.qc-page .channel-row{grid-template-columns:56px repeat(2,minmax(0,1fr));gap:8px}.qc-page .channel-metric:nth-child(4),.qc-page .channel-metric:nth-child(5){grid-column:auto}.qc-page .qc-report-head{align-items:flex-start;flex-direction:column}.qc-page #report-file{max-width:100%;text-align:left}}
@media(max-width:480px){.qc-page .demo-brand{font-size:13px}.qc-page .qc-hero h1{font-size:36px}.qc-page .qc-hero p:last-child{font-size:15px;overflow-wrap:anywhere}.qc-page .qc-card,.qc-page .qc-report{padding:12px}.qc-page .qc-drop-help{font-size:14px}.qc-page .file-result{grid-template-columns:minmax(0,1fr);gap:5px}.qc-page .file-result>small{grid-column:1;grid-row:1}.qc-page .file-result>.file-result-copy{grid-column:1;grid-row:2}.qc-page .file-result>.file-remove-button{grid-column:1;grid-row:3;width:100%;margin-top:4px}.qc-page .metric-grid{grid-template-columns:1fr 1fr}.qc-page .metric-card{padding:12px}.qc-page .qc-detail-card dl{grid-template-columns:1fr;gap:2px}.qc-page .qc-detail-card dd{text-align:left;margin-bottom:6px}.qc-page .channel-row{grid-template-columns:1fr 1fr}.qc-page .channel-row>strong{grid-column:1/-1}.qc-page .qc-section{padding-bottom:24px}}