:root{--color-primary: #1F3A5F;--color-primary-soft: #2E4A74;--color-accent: #B8860B;--color-accent-soft: #F5E6C8;--color-highlight: #FFD98A;--color-bg: #EEF3F8;--color-bg-alt: #F4F7FA;--color-line: #D8E0EA;--color-text: #4A4A4A;--color-success: #1E7B34;--font-sans: "Segoe UI", system-ui, -apple-system, Helvetica, Arial, sans-serif;--radius-card-sm: 10px;--radius-card-md: 14px;--radius-card-lg: 20px;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 2rem;--focus-ring: 0 0 0 3px rgba(184, 134, 11, .35);--soft-shadow: 0 8px 24px rgba(31, 58, 95, .08)}*,*:before,*:after{box-sizing:border-box}html,body,#root{margin:0;min-height:100%;overflow-x:clip}body{font-family:var(--font-sans);color:var(--color-text);background:linear-gradient(180deg,var(--color-bg) 0%,var(--color-bg-alt) 100%)}.app-shell{width:min(1100px,100%);margin:0 auto;padding:var(--space-5);display:grid;grid-template-columns:minmax(0,1fr);gap:var(--space-5)}.card{background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card-md);box-shadow:var(--soft-shadow);min-width:0}.panel-padding{padding:var(--space-5)}.app-header{background:linear-gradient(140deg,var(--color-primary) 0%,var(--color-primary-soft) 100%);color:#fff;padding:var(--space-6);border:1px solid rgba(255,255,255,.2)}.app-header h1,.app-header p{margin:0;overflow-wrap:anywhere}.app-header h1{margin-top:var(--space-2);font-size:clamp(1.7rem,4vw,2.4rem)}.eyebrow{opacity:.85;font-size:.875rem}.lede{margin-top:var(--space-4);line-height:1.55;max-width:72ch}.header-meta{margin-top:var(--space-4);display:flex;flex-wrap:wrap;gap:var(--space-3);align-items:center}.badge{display:inline-flex;align-items:center;min-height:32px;padding:0 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var(--color-line);border-radius:var(--radius-card-sm);background:#fff;color:var(--color-primary-soft);padding:0 var(--space-3);cursor:pointer;font-weight:600}.step-tab[aria-selected=true]{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.step-tab-index{display:inline-flex;align-items:center;justify-content:center;width:1.5rem;height:1.5rem;border-radius:999px;background:#ffffff26;font-size:.8rem}.step-tab-label{white-space:nowrap}.step-panel{margin-bottom:var(--space-4)}.step-summary{margin:0 0 var(--space-4);line-height:1.6}.stepper-controls{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:var(--space-3);align-items:center}.step-indicator{margin:0;text-align:center;color:#667286;font-size:.9rem}.btn{min-height:44px;border-radius:var(--radius-card-sm);border:1px solid transparent;padding:0 var(--space-4);font-weight:600;cursor:pointer}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary);justify-self:end}.btn-secondary{background:#fff;border-color:var(--color-line);color:var(--color-primary-soft);justify-self:start}.tab-nav{padding:var(--space-2)}.tab-list{display:flex;gap:var(--space-2);overflow-x:auto;scrollbar-width:thin;padding-bottom:var(--space-1)}.tab-button{min-height:44px;border:1px solid transparent;border-radius:var(--radius-card-sm);padding:0 var(--space-4);background:transparent;color:var(--color-primary-soft);font-size:.95rem;font-weight:600;white-space:nowrap;flex-shrink:0;cursor:pointer}.tab-button[aria-selected=true]{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.metrics-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--space-3)}.metric-card{padding:var(--space-4);min-width:0}.metric-card[data-highlight=true]{border-width:2px;border-color:var(--color-primary);background:#f2f6fc}.metric-label{margin:0 0 var(--space-2);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;color:#667286;font-weight:700}.metric-value{margin:0;font-size:clamp(1.6rem,3vw,2rem);font-weight:700;color:var(--color-primary)}.metric-description{margin:var(--space-2) 0 0;color:#667286;line-height:1.5}.table-scroll{width:100%;min-width:0;overflow-x:auto}.matrix-table{width:100%;border-collapse:collapse}.matrix-table th,.matrix-table td{border:1px solid var(--color-line);padding:var(--space-3);text-align:left;white-space:normal;overflow-wrap:anywhere;word-break:break-word}.matrix-table thead th{background:#f4f7fb;color:var(--color-primary-soft)}.transcript-table td:last-child,.cjk-text{overflow-wrap:anywhere}.methods-box,.terminology-box{margin-top:var(--space-4);padding:var(--space-4);border:1px solid var(--color-line);border-radius:var(--radius-card-sm);background:#f9fafb}.methods-box p,.terminology-box p{margin:0;line-height:1.7}.terminology-box p+p{margin-top:var(--space-3)}.callout{padding:var(--space-4);min-width:0}.callout p{margin:0;line-height:1.6}.callout-warning{background:var(--color-accent-soft);border:1px solid color-mix(in srgb,var(--color-accent) 50%,var(--color-line));border-radius:var(--radius-card-sm)}.recording-meta{margin:var(--space-3) 0 0;color:#667286}.use-case-list{margin:var(--space-3) 0;padding-left:1.25rem;line-height:1.7}.native-audio{width:100%;min-height:44px;margin-top:var(--space-4)}.audio-error{margin-top:var(--space-3)}.playback-clock{margin:var(--space-3) 0 0;color:#667286;font-size:.9rem}.transcript-list{display:grid;gap:var(--space-2);margin-top:var(--space-4)}.transcript-row{width:100%;min-height:44px;display:grid;grid-template-columns:minmax(4.5rem,auto) minmax(4.5rem,auto) minmax(4.5rem,auto) minmax(0,1fr);gap:var(--space-2);align-items:start;text-align:left;border:1px solid var(--color-line);border-radius:var(--radius-card-sm);background:#fff;padding:var(--space-3);cursor:pointer}.transcript-row[data-active=true]{border-color:var(--color-primary);background:#f2f6fc;box-shadow:inset 0 0 0 1px var(--color-primary)}.transcript-time,.transcript-role,.transcript-chars{font-size:.85rem;font-weight:600;color:#667286}.transcript-role.role-adult{color:var(--color-primary)}.transcript-role.role-child{color:var(--color-accent)}.transcript-text{line-height:1.6}.timeline-legend{display:flex;flex-wrap:wrap;gap:var(--space-3);margin:var(--space-3) 0}.legend-item{display:inline-flex;align-items:center;gap:var(--space-2);font-size:.9rem;font-weight:600}.legend-swatch{width:1rem;height:1rem;border-radius:3px;border:1px solid #fff}.legend-adult{background:#1f3a5f}.legend-child{background:#b8860b}.timeline-viewport{width:100%;min-width:0;overflow-x:auto}.timeline-viewport svg{display:block;min-width:760px}.timeline-block:focus-visible{outline:none;stroke:var(--color-highlight);stroke-width:3}.f0-chart{display:grid;gap:var(--space-3);margin:var(--space-4) 0}.f0-row{display:grid;grid-template-columns:minmax(0,7rem) minmax(0,1fr) minmax(0,4.5rem);gap:var(--space-3);align-items:center}.f0-label,.f0-value{font-weight:600;color:var(--color-primary-soft)}.f0-bar-track{height:18px;border-radius:999px;background:#e4e9f0;overflow:hidden}.f0-bar{height:100%}.f0-bar-adult{background:var(--color-primary)}.f0-bar-child{background:var(--color-accent)}.callout-brand{background:#f1f6ff;border:2px solid var(--color-primary);border-radius:var(--radius-card-sm)}.export-menu-panel .panel-heading{margin-bottom:0}.download-actions{position:relative}.download-menu{position:absolute;right:0;top:calc(100% + 8px);min-width:220px;z-index:2;background:#fff;border:1px solid var(--color-line);border-radius:var(--radius-card-sm);box-shadow:var(--soft-shadow);overflow:hidden}.menu-item{min-height:44px;width:100%;border:0;border-bottom:1px solid #edf2f8;background:#fff;text-align:left;color:var(--color-text);padding:0 var(--space-4);cursor:pointer}.menu-item:last-child{border-bottom:0}.menu-item:hover,.menu-item:focus-visible{background:#f7f9fc}[role=menuitem]:focus-visible{outline:none;box-shadow:var(--focus-ring)}.app-footer{padding:var(--space-4);display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-4);flex-wrap:wrap}.footer-content{flex:1 1 300px;min-width:0;display:flex;flex-direction:column;gap:var(--space-2)}.footer-tagline{margin:0;color:var(--color-primary);font-weight:600;line-height:1.5}.footer-links{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2)}.footer-link{color:var(--color-primary);text-decoration:none;font-weight:600}.footer-link:hover,.footer-link:focus{color:var(--color-accent);text-decoration:underline}.footer-separator{color:var(--color-accent);font-weight:600}.footer-gallery{margin:0;color:#657185;font-size:.85rem;font-style:italic}button:focus-visible,[role=tab]:focus-visible{outline:none;box-shadow:var(--focus-ring)}@media (max-width: 960px){.metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width: 720px){.app-shell{padding:var(--space-3);gap:var(--space-3)}.app-header,.panel-padding,.metric-card,.callout{padding:var(--space-4)}.metrics-grid,.stepper-controls{grid-template-columns:minmax(0,1fr)}.btn-primary,.btn-secondary{width:100%;justify-self:stretch}.step-indicator{order:-1}.transcript-row,.f0-row{grid-template-columns:minmax(0,1fr)}.download-actions,.download-actions .btn-primary{width:100%}.download-menu{left:0;right:auto;width:100%;min-width:0}.app-footer{flex-direction:column;align-items:stretch}}@media (prefers-reduced-motion: reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@media (max-width: 720px){.tab-list,.stepper-tabs,[role=tablist]{flex-wrap:wrap;overflow-x:visible}.tab-list>*,.stepper-tabs>*,[role=tablist]>*{flex:1 1 auto;min-width:0}}