/* Shared interface rules: readable type, quiet surfaces, task-first layouts. */
:root {
  --bg: #0a0c0f;
  --text: #e8ebee;
  --muted: #a5afb8;
  --faint: #909ca6;
  --accent: #2fd8a8;
  --accent-dim: #258d72;
  --hairline: rgba(255,255,255,.14);
  --surface: #11161b;
  --radius: 5px;
}
body { line-height: 1.5; }
.glow { display: none; }
.header-separation span { padding: 0; border: 0; border-radius: 0; background: none; font-family: inherit; font-size: 14px; text-transform: none; letter-spacing: 0; }
a { color: var(--accent); text-underline-offset: 4px; }
a:hover { color: var(--text); }
p, li, h1, h2, h3 { overflow-wrap: break-word; }
input, select, textarea { max-width: 100%; }
input::placeholder, textarea::placeholder { color: var(--faint); opacity: 1; }
:where(a,button,input,textarea,select,summary):focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
main:focus { outline: none; }
button, .button-link, .primary, .oauth-button { min-height: 44px; border-radius: var(--radius); font-size: 14px; font-weight: 650; line-height: 1.4; transition: background .16s, color .16s, border-color .16s; }
button:hover { transform: none; }
button:disabled { cursor: not-allowed; opacity: .55; }
.button-link, a.primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 19px; background: var(--accent); color: #06231a; text-align: center; text-decoration: none; }
.button-link:hover, a.primary:hover { background: #5be2bc; color: #06231a; }
.button-link.secondary { border-color: var(--accent-dim); color: var(--accent); background: transparent; }
.button-link.secondary:hover { background: rgba(47,216,168,.08); }
.text-action { color: var(--accent); font-size: 14px; }
.skip-link { position: fixed; top: -100px; left: 20px; z-index: 200; padding: 12px 20px; background: var(--accent); color: var(--bg); border-radius: var(--radius); }
.skip-link:focus { top: 12px; }
header { width: 100%; max-width: 1360px; margin: 0 auto; padding: 24px 40px; min-height: 90px; }
header nav { gap: 22px; align-items: center; }
header nav a { min-height: 44px; display: inline-flex; align-items: center; font-size: 14px; }
header nav a[aria-current] { color: var(--text); text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 9px; }
.header-account { min-height: 44px; font-size: 14px; }
.wordmark span { background: none; color: var(--text); }
main { padding-top: 48px; padding-bottom: 48px; }
footer { margin-top: 64px; padding-top: 32px; }
.footer-inner, .footer-note { max-width: 1120px; }
.footer-inner p, .footer-note, .footer-note a { color: var(--faint); font-size: 14px; }
.footer-inner nav { display: grid; grid-template-columns: repeat(2,auto); column-gap: 34px; row-gap: 4px; }
.footer-inner nav a { display: inline-flex; align-items: center; min-height: 36px; font-size: 14px; }
.footer-note { line-height: 1.8; }
.eyebrow, .tool-number { font-family: inherit; font-size: 14px; font-weight: 500; text-transform: none; letter-spacing: 0; color: var(--muted); }
.eyebrow { margin-bottom: 14px; }
.field-label { display: block; color: var(--text); font-size: 14px; font-weight: 600; margin-bottom: 9px; }
.field-help { color: var(--faint); font-size: 14px; line-height: 1.6; margin-top: 10px; }
.topic-links { display: flex; gap: 10px; flex-wrap: wrap; margin: 28px 0; }
.topic-links a { min-height: 44px; display: inline-flex; align-items: center; padding: 8px 0; font-size: 14px; text-underline-offset: 5px; }
.topic-links { column-gap: 24px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 24px; }
.section-heading > a { font-size: 14px; }
h2 { line-height: 1.2; }

/* The search is the page's main working surface. */
main.home-main { max-width: 1000px; padding-top: 42px; }
.home-intro { display: block; }
.home-copy h1 { font-size: clamp(32px,4.4vw,46px); line-height: 1.14; letter-spacing: -.035em; font-weight: 650; }
.home-lead { margin-top: 16px; max-width: 680px; font-size: 17px; color: var(--muted); line-height: 1.65; }
.platform-line { margin-top: 14px; font-size: 14px; color: var(--faint); }
.platform-line span { padding-inline: 7px; }
.home-tool { min-width: 0; margin-top: 30px; padding: 0 0 34px; border-bottom: 1px solid var(--hairline); }
.tool-form { margin-top: 24px; }
.home-tool .tool-form { margin-top: 0; }
.tool-form .video-url { width: 100%; padding: 15px 16px; min-height: 54px; background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); color: var(--text); font: inherit; font-size: 17px; }
.tool-form .modes { border: 0; display: flex; flex-wrap: wrap; gap: 12px 32px; margin-top: 24px; }
.tool-form .modes legend { margin-bottom: 7px; font-size: 14px; color: var(--muted); font-weight: 500; }
.tool-form .modes label { display: flex; flex: 1; min-width: 170px; align-items: flex-start; gap: 10px; padding: 10px 0; border: 0; border-radius: 0; cursor: pointer; background: none; }
.tool-form .modes label:has(input:checked) { background: none; }
.tool-form .modes label:has(input:checked) > span { color: var(--text); }
.tool-form .modes span { font-size: 15px; line-height: 1.45; color: var(--muted); }
.tool-form .modes small { display: block; margin-top: 3px; color: var(--faint); font-size: 14px; font-weight: 400; }
.tool-form .modes input { width: 17px; height: 17px; flex: none; margin-top: 2px; }
.tool-form .spot-field { display: block; margin-top: 16px; }
.tool-form .spot-field input { width: min(100%,240px); min-height: 44px; font-size: 15px; background: var(--surface); border-color: #5c6a75; }
.tool-form .spot-hint { display: block; font-size: 14px; margin-top: 7px; }
.scan-options { margin-top: 12px; }
.scan-options summary { min-height: 44px; display: flex; align-items: center; gap: 10px; cursor: pointer; color: var(--muted); font-size: 14px; list-style: none; }
.scan-options summary::before { content: '+'; color: var(--accent); font-size: 18px; }
.scan-options[open] summary::before { content: '−'; }
.scan-options .deep-toggle { margin-top: 5px; margin-bottom: 12px; padding: 8px 0; }
.scan-options .deep-toggle span { font-size: 14px; }
.scan-options .deep-toggle small { font-size: 14px; line-height: 1.55; }
.scan-submit-row { margin-top: 18px; display: flex; align-items: center; gap: 22px; flex-wrap: wrap; }
.scan-submit-row button { min-width: 160px; min-height: 48px; padding: 12px 25px; }
.scan-submit-row > span { color: var(--muted); font-size: 14px; }
.trust { font-size: 14px; margin-top: 18px; }
.home-explanation { display: grid; grid-template-columns: 180px minmax(0,1fr); gap: 32px; margin-top: 34px; }
.home-explanation h2, .other-tools h2 { font-size: 17px; font-weight: 600; letter-spacing: -.01em; }
.home-explanation p { color: var(--muted); font-size: 14px; line-height: 1.8; }
.home-explanation p + p { margin-top: 10px; }
.other-tools { margin-top: 38px; }
.tool-links { margin-top: 18px; }
.tool-links > a { display: grid; grid-template-columns: 180px minmax(0,1fr) 20px; gap: 32px; align-items: baseline; min-height: 66px; padding: 20px 0; border-top: 1px solid var(--hairline); text-decoration: none; }
.tool-links > a:last-child { border-bottom: 1px solid var(--hairline); }
.tool-links h3 { font-size: 15px; font-weight: 600; color: var(--text); }
.tool-links p { font-size: 14px; color: var(--muted); }
.tool-links > a:hover h3 { color: var(--accent); }
.home-help { display: flex; gap: 24px; flex-wrap: wrap; margin-top: 24px; }
.home-help a { font-size: 14px; min-height: 44px; display: inline-flex; align-items: center; }

/* Shared editorial pages and forms. */
.guide h1, .guide-index h1, .about h1, .faq-hero h1, .contact-heading h1, .pricing-intro h1 { font-size: clamp(30px,4vw,42px); line-height: 1.12; letter-spacing: -.035em; }
.guide-intro, .about-intro, .faq-hero > p:last-child { font-size: 16px; line-height: 1.75; }
.guide-section, .about-section { margin-top: 36px; }
.guide-copy, .guide-points, .guide-steps p, .about-section p, .about-section li { font-size: 15px; line-height: 1.8; }
.guide-tool { display: flex; align-items: center; justify-content: space-between; gap: 24px; margin-top: 30px; padding: 22px 0; border-block: 1px solid var(--hairline); }
.guide-tool p { margin-top: 7px; font-size: 14px; color: var(--muted); }
.guide-tool .button-link { flex: none; }
.guide .tool-form { padding-block: 26px; border-block: 1px solid var(--hairline); margin-top: 30px; }
.guide-group-heading { margin-top: 40px; font-size: 20px; }
.guide-list { margin-top: 18px; }
.guide-list a { padding-block: 22px; }
.guide-list span { font-size: 14px; line-height: 1.7; }
.breadcrumbs, .bpm-breadcrumb { font-size: 14px; flex-wrap: wrap; }
.faq-group { margin-top: 42px; }
.faq-group > h2 { font-family: inherit; font-size: 15px; color: var(--muted); text-transform: none; letter-spacing: 0; }
.faq-group summary, .guide summary { min-height: 48px; }
.faq-group p { font-size: 15px; line-height: 1.8; }
.auth { max-width: 430px; margin-inline: auto; }
.auth h1 { font-size: 34px; line-height: 1.15; }
.auth-sub { font-size: 15px; line-height: 1.7; }
.auth-form input, .delete-form input { font-size: 16px; min-height: 48px; }
.auth-form label { font-size: 14px; }
.auth-legal, .auth-switch, .auth-divider, .forgot-link { font-size: 14px; line-height: 1.7; }
.password-field { position: relative; }
.password-field input { padding-right: 74px; }
.password-toggle { position: absolute; right: 5px; top: 4px; min-height: 40px; min-width: 60px; padding: 6px 8px; background: transparent; color: var(--muted); font-size: 14px; }
.form-message, .account-notice { line-height: 1.7; }
.contact-form { margin-top: 30px; padding-top: 0; border: 0; }
.contact-form input, .contact-form textarea { padding: 12px 14px; border: 1px solid var(--hairline); border-radius: var(--radius); background: var(--surface); font-size: 16px; }
.contact-form label, .contact-actions span { font-size: 14px; }
.legal h2 { scroll-margin-top: 25px; }
.legal p, .legal h2 + p { font-size: 15px; line-height: 1.8; }
.page-contents { margin: 24px 0 32px; padding: 16px 0; border-block: 1px solid var(--hairline); font-size: 14px; }
.page-contents summary { min-height: 32px; cursor: pointer; color: var(--text); }
.page-contents ul { list-style: none; margin-top: 8px; }
.page-contents a { display: inline-flex; min-height: 34px; align-items: center; }

/* Tempo and key share the same form and measurement language. */
main.bpm-main, main.bpm-track-main { max-width: 1000px; padding-top: 42px; }
.bpm-hero { display: block; min-height: 0; }
.bpm-copy h1 { font-size: clamp(32px,4.4vw,46px); line-height: 1.14; letter-spacing: -.035em; }
.bpm-lead { font-size: 16px; margin-top: 16px; }
.tool-tabs { display: flex; gap: 24px; border-bottom: 1px solid var(--hairline); margin: 26px 0 22px; }
.tool-tabs button { border-radius: 0; border-bottom: 2px solid transparent; padding: 10px 0; color: var(--muted); background: transparent; }
.tool-tabs button[aria-selected=true] { border-color: var(--accent); color: var(--text); }
.bpm-analyze-form { margin-top: 0; }
.bpm-analyze-form > label, .bpm-timestamp-option label { color: var(--text); font-family: inherit; text-transform: none; letter-spacing: 0; font-size: 14px; }
.bpm-url-row { grid-template-columns: minmax(0,1fr); }
.bpm-url-row input, .bpm-search-form input { font-size: 16px; background: var(--surface); border-radius: var(--radius); }
.bpm-search-form { grid-template-columns: minmax(0,1fr) auto; margin-top: 12px; }
.bpm-search-form > svg { display: none; }
.bpm-search-form input { padding-left: 14px; }
.bpm-timestamp-option { font-size: 14px; margin-top: 12px; }
.bpm-timestamp-option summary { min-height: 44px; display: flex; align-items: center; }
.bpm-catalogue { margin-top: 42px; }
.bpm-section-heading h2 { font-size: 21px; }
.bpm-section-heading > p { font-size: 14px; }
.bpm-track-list > a { grid-template-columns: 32px minmax(0,1fr) auto 18px; gap: 14px; }
.bpm-track-list > a:hover, .bpm-use-list > a:hover { padding-inline: 0; background: rgba(255,255,255,.025); }
.bpm-track-index, .bpm-track-tempo small, .bpm-track-name small, .bpm-use-list small { font-size: 14px; }
.bpm-track-name strong { white-space: normal; }
.bpm-track-tempo { flex-wrap: wrap; justify-content: flex-end; }
.bpm-explainer { display: grid; grid-template-columns: 180px minmax(0,1fr); margin-top: 38px; gap: 32px; }
.bpm-explainer h2 { font-size: 17px; }
.bpm-explainer p { margin-top: 0; font-size: 14px; line-height: 1.8; }
.bpm-explainer a { display: inline-flex; min-height: 44px; align-items: center; margin-top: 6px; font-size: 14px; }
.bpm-track-hero { display: block; min-height: 0; padding: 24px 0 30px; }
.bpm-track-copy h1 { margin: 0; font-size: clamp(30px,4vw,44px); line-height: 1.15; letter-spacing: -.035em; }
.bpm-track-copy > p:not(.eyebrow) { margin-top: 12px; font-size: 18px; }
.audio-measurements { display: flex; gap: 70px; flex-wrap: wrap; padding: 26px 0 30px; border-block: 1px solid var(--hairline); }
.audio-measurements dt { margin-bottom: 10px; color: var(--muted); font-size: 14px; }
.audio-measurements dd { color: var(--text); font-size: clamp(32px,5vw,52px); font-weight: 550; line-height: 1.15; letter-spacing: -.025em; font-variant-numeric: tabular-nums; }
.audio-measurements dd span { font-size: 18px; font-weight: 400; color: var(--muted); letter-spacing: 0; }
.audio-measurements dd.measurement-note { color: var(--muted); font-size: 14px; font-weight: 400; letter-spacing: 0; margin-top: 10px; }
.measurement-details { margin-top: 10px; }
.measurement-details summary { min-height: 48px; padding-block: 14px; cursor: pointer; color: var(--muted); font-size: 14px; }
.measurement-details dl { max-width: 480px; }
.measurement-details dl > div { display: flex; gap: 24px; justify-content: space-between; padding: 10px 0; font-size: 14px; border-bottom: 1px solid var(--hairline); }
.measurement-details dt { color: var(--muted); }
.measurement-details dd { font-variant-numeric: tabular-nums; }
.measurement-details p { max-width: 640px; margin-top: 16px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.bpm-listen { margin-top: 26px; padding-block: 20px; gap: 20px; align-items: center; flex-wrap: wrap; border-top: 0; }
.bpm-listen h2 { font-size: 18px; margin: 0; }
.bpm-listen-links { flex-wrap: wrap; justify-content: flex-start; gap: 6px 22px; }
.bpm-listen-links a { padding: 0; border: 0; border-radius: 0; min-height: 44px; font: inherit; font-size: 14px; text-decoration: underline; text-underline-offset: 4px; }
.bpm-listen-links a:hover { transform: none; background: none; }
.bpm-track-search, .bpm-related, .bpm-uses { margin-top: 38px; gap: 24px; }
.bpm-track-search { grid-template-columns: minmax(0,1fr) minmax(0,1.3fr); }
.bpm-track-search h2 { font-size: 20px; }
.bpm-inline-result { background: none; box-shadow: none; border-radius: 0; }

/* Audio uploads and completed jobs use open rows. */
main.separation-main, main.separation-job-main { max-width: 1000px; padding-top: 42px; }
.separation-hero { display: block; min-height: 0; }
.tool-access { color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.separation-hero-copy h1 { max-width: 720px; font-size: clamp(30px,4.2vw,44px); line-height: 1.14; letter-spacing: -.035em; }
.separation-lead { max-width: 700px; margin-top: 16px; font-size: 16px; line-height: 1.75; }
.separation-upload { max-width: none; margin-top: 28px; }
.separation-mode { gap: 18px; }
.separation-mode label, .separation-mode label + label { padding: 12px 0; border: 0; background: none; }
.separation-mode label:has(input:checked) { border: 0; background: none; }
.separation-mode input { width: 17px; height: 17px; }
.separation-login p { font-size: 14px; }
.separation-login > div { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.separation-form-error { margin-top: 16px; font-size: 14px; }
.separation-drop { flex-wrap: wrap; border: 1px dashed #5c6a75; padding: 20px; border-radius: var(--radius); }
.separation-drop-mark { display: none; }
.separation-drop input { font-size: 14px; max-width: 100%; margin-left: 0; width: 100%; }
.separation-upload-meta { flex-wrap: wrap; gap: 12px 22px; }
.separation-upload-meta button { min-height: 48px; }
.separation-credit-actions { border-top: 1px solid var(--hairline); padding-top: 18px; }
.separation-credit-actions button { color: var(--accent); border: 1px solid var(--accent-dim); background: transparent; }
.separation-reference { margin-top: 38px; padding-top: 26px; border-top: 1px solid var(--hairline); }
.separation-reference h2 { font-size: 21px; }
.separation-reference dl { margin-top: 20px; }
.separation-reference dl > div { display: grid; grid-template-columns: 200px minmax(0,1fr); gap: 24px; padding: 14px 0; }
.separation-reference dt { font-size: 14px; font-weight: 600; }
.separation-reference dd, .separation-reference p { color: var(--muted); font-size: 14px; line-height: 1.8; }
.separation-reference p { max-width: 720px; margin-top: 16px; }
.separation-reference > a { display: inline-flex; align-items: center; min-height: 44px; margin-top: 12px; font-size: 14px; }
.separation-job-head { gap: 24px; flex-wrap: wrap; }
.separation-job-head h1 { overflow-wrap: anywhere; font-size: clamp(27px,3.8vw,38px); line-height: 1.2; margin-top: 0; }
.separation-job-head > div { min-width: 0; }
.separation-job-head p:last-child { font-size: 14px; }
.separation-ready-note { padding: 18px 0; flex-wrap: wrap; gap: 10px; font: inherit; font-size: 14px; text-transform: none; }
.separation-stems article { border-radius: 0; display: grid; grid-template-columns: 1fr minmax(240px,1fr); gap: 30px; align-items: center; padding: 20px 0; }
.separation-stem-title { gap: 12px; }
.separation-stem-title h2 { font-size: 17px; font-weight: 600; }
.separation-stem-title a { min-height: 44px; display: inline-flex; align-items: center; font-size: 14px; text-decoration: underline; text-underline-offset: 4px; }
.separation-stems audio { width: 100%; margin: 0; height: 42px; opacity: 1; }

/* Plans are compared in open rows rather than identical promotional cards. */
main.pricing-main { max-width: 1120px; padding-top: 42px; }
.pricing-intro > p:last-child { font-size: 16px; line-height: 1.7; max-width: 680px; }
.pricing-options { margin-top: 32px; border-top: 1px solid var(--hairline); }
.price-option .pricing-period-control { margin-top: 16px; }
.price-option .pricing-period-control legend, .price-option .pricing-period-switch label, .price-option .pricing-period-switch label span { font-size: 14px; }
.price-option .pricing-period-switch { display: flex; flex-wrap: wrap; border-radius: 12px; }
.price-option .pricing-period-switch label { flex: 1; min-width: 0; flex-wrap: wrap; white-space: normal; gap: 3px; padding-inline: 6px; border-radius: 8px; }
.price-option .pricing-period-prices { min-height: 108px; }
.price-option .pricing-period-prices p:not(.price) { font-size: 14px; }
.price-option { display: grid; grid-template-columns: 180px minmax(0,1fr) 230px; gap: 36px; padding: 28px 0; border-bottom: 1px solid var(--hairline); scroll-margin-top: 25px; }
.price-option h2 { font-size: 22px; }
.plan-summary .price { margin-top: 12px; font-size: 32px; line-height: 1.2; letter-spacing: -.025em; }
.plan-summary .price small { font-size: 14px; letter-spacing: 0; color: var(--muted); }
.plan-summary > p:not(.price) { font-size: 14px; color: var(--muted); margin-top: 12px; line-height: 1.7; }
.price-option ul { list-style: none; }
.price-option li { padding: 6px 0; font-size: 14px; color: var(--muted); }
.price-option li strong { color: var(--text); font-weight: 550; }
.price-option .price-action { min-width: 0; align-self: start; }
.price-action .button-link, .price-action button, .price-action form { width: 100%; }
.price-option .field-help { font-size: 14px; }
.price-action label { display: block; font-size: 14px; margin-bottom: 10px; }
.price-action select { display: block; width: 100%; min-height: 44px; margin-top: 8px; border: 1px solid var(--hairline); border-radius: var(--radius); padding: 8px; color: var(--text); background: var(--surface); font-size: 14px; }
.price-option .pricing-details-link { display: inline-flex; align-items: center; min-height: 44px; font-size: 14px; }
.pricing-comparison { margin-top: 38px; }
.plan-table { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 12px; }
.plan-table th, .plan-table td { text-align: left; padding: 15px 12px; border-bottom: 1px solid var(--hairline); }
.plan-table th { font-weight: 600; color: var(--text); }
.plan-table td { color: var(--muted); }
.plan-table th:first-child { width: 48%; padding-left: 0; }
.plan-table .table-label { display: block; color: var(--faint); font-size: 14px; font-weight: 400; }
.pricing-policies { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 36px; }
.pricing-policies h2 { font-size: 19px; }
.pricing-policies p { margin-top: 12px; color: var(--muted); font-size: 14px; line-height: 1.8; }

/* Results and account workspaces. */
main.result-main { max-width: 1000px; }
.result .video-title { font-size: clamp(28px,4vw,38px); line-height: 1.2; }
.result-topline { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 20px; font-size: 14px; }
.result-topline .breadcrumbs { margin: 0; }
.result .status { font-family: inherit; text-transform: none; letter-spacing: 0; font-size: 14px; }
.tracklist-columns { display: grid; grid-template-columns: 70px minmax(0,1fr); gap: 16px; margin-top: 24px; padding-bottom: 12px; color: var(--muted); font-size: 14px; }
.tracklist-columns span + span { padding-left: 60px; }
.result .matches { margin-top: 0; }
.result .match { animation: none; align-items: flex-start; padding: 20px 0; gap: 16px; }
.result .match .time { min-width: 70px; }
.match .time { display: inline-flex; min-height: 44px; align-items: center; min-width: 54px; }
.match .cover { width: 44px; height: 44px; border-radius: 3px; }
.match .name { font-size: 16px; }
.result .match .name { display: grid; grid-template-columns: minmax(0,1fr) auto; column-gap: 20px; align-items: start; }
.match .song-info { min-width: 0; }
.result .listen-menu { margin: 0; max-width: 220px; }
.result .listen-menu summary { padding-top: 0; }
.match .song-title { font-size: 18px; font-weight: 600; line-height: 1.4; }
.match .name small { font-size: 14px; margin-top: 5px; }
.listen-menu { margin-top: 3px; font-size: 14px; font-weight: 400; }
.listen-menu summary { width: max-content; min-height: 40px; display: flex; align-items: center; gap: 10px; cursor: pointer; color: var(--accent); list-style: none; }
.listen-menu summary::after { content: '⌄'; }
.listen-menu .links { margin-top: 2px; }
.match .links a { font-size: 14px; color: var(--muted); min-height: 44px; padding: 5px 0; border: 0; border-radius: 0; display: inline-flex; align-items: center; text-decoration: underline; text-underline-offset: 4px; }
.result-note { font-size: 14px; color: var(--faint); margin-top: 15px; }
.result .actions { padding: 24px 0; margin-top: 16px; flex-wrap: wrap; }
.result-next-step, .bpm-separation-cta { display: block; margin-top: 24px; padding: 18px 0; border: 0; }
.result-next-step p:last-child, .bpm-separation-cta p:last-child { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; }
.save-inline { margin-top: 24px; padding: 24px 0; border-block: 1px solid var(--hairline); }
.save-inline h2 { font-size: 20px; }
.save-inline p { color: var(--muted); font-size: 14px; margin-top: 8px; }
.save-inline .save-actions { margin-top: 18px; }
.recognition-feedback { align-items: flex-start; flex-wrap: wrap; }
.recognition-feedback-actions { flex-wrap: wrap; }
.recognition-feedback-actions button { min-height: 44px; border: 0; border-radius: 0; padding: 6px 10px; font-size: 14px; text-decoration: underline; text-underline-offset: 4px; }
.recognition-feedback-actions button:hover { background: none; }
.research-survey { padding: 22px 0; border-left: 0; }
.research-survey h2 { font-size: 18px; }
.research-options-products label:first-child span::after { content: none; }
.research-options label { min-height: 44px; }
main.account-main { padding-top: 32px; }
.workspace-heading h1 { font-size: clamp(30px,4vw,42px); line-height: 1.15; }
.workspace-actions { padding-top: 0; flex-wrap: wrap; }
.account-workspace { grid-template-columns: 190px minmax(0,1fr); gap: 48px; }
.account-sidebar nav a { min-height: 44px; font-size: 14px; }
.account-sidebar nav a span, .account-identity small { font-size: 14px; }
.account-sidebar-scan { font-size: 14px; }
.workspace-recent { margin-top: 36px; }
.workspace-section-head > a, .workspace-section-head > span { color: var(--faint); font-size: 14px; }
.usage-overview { margin-top: 40px; }
.usage-balance { grid-template-columns: 180px minmax(0,1fr); }
.usage-balance-total strong { font-size: 40px; }
.usage-balance-total { border-right: 0; }
.usage-buckets { grid-template-columns: repeat(auto-fit,minmax(120px,1fr)); }
.usage-buckets > div { padding: 18px; border-right: 0; }
.usage-buckets span, .usage-buckets small, .scan-allowances span, .scan-allowances strong, .compact-balance span { font-size: 14px; text-transform: none; letter-spacing: 0; }
.history-title small, .history-tracks small, .history-export a, .history-export button, .separation-workspace-list small { font-size: 14px; }
.history-title strong { white-space: normal; }
.history-export { flex-wrap: wrap; }
.history-export a { min-height: 40px; display: inline-flex; align-items: center; }
.history-filter { margin-top: 28px; }
.history-filter input { width: 100%; padding: 12px 14px; min-height: 48px; background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); color: var(--text); font: inherit; }
.history-filter-count { font-size: 14px; color: var(--faint); margin-top: 8px; }
.activity { margin-top: 20px; }
.activity-summary { margin-top: 32px; border-top: 1px solid var(--hairline); padding-top: 18px; }
.activity-summary > summary { cursor: pointer; min-height: 44px; color: var(--muted); }
.stat-line dd, .activity-day small, .activity-value { font-size: 14px; }
.streaming-connection { flex-wrap: wrap; }
.streaming-connection small, .settings-muted { font-size: 14px; line-height: 1.7; }
.source-unavailable { min-height: 440px; padding: 55px 20px; }
.source-unavailable-copy h1 { font-size: clamp(30px,4vw,44px); }
.source-unavailable-copy .primary { margin-top: 26px; }
.error-code { font-family: var(--mono); font-size: 14px; color: var(--accent); margin-bottom: 18px; }
.modal-panel { max-height: calc(100dvh - 40px); overflow-y: auto; border-radius: 8px; box-shadow: none; animation: none; }
.modal-backdrop { backdrop-filter: none; -webkit-backdrop-filter: none; animation: none; }
.modal-close { min-height: 44px; width: 44px; }
.scan-progress-actions { display: flex; justify-content: center; flex-wrap: wrap; align-items: center; gap: 16px; margin-top: 22px; }
.scan-progress-actions .scan-cancel { margin: 0; min-height: 44px; }
.modal-matches { max-height: 210px; overflow-y: auto; }
.modal-teaser { font-size: 14px; line-height: 1.65; }
.watch .status { font-size: 14px; }
.watch-help { margin-top: 24px; font-size: 14px; color: var(--muted); }
.watch-actions { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; margin-top: 24px; }

/* Only changing data and indeterminate progress need motion. */
.rise { animation: none; }
.eq span, .empty-wave i, .activity-bar { animation: none; }
.match.is-new { animation: result-arrive .18s ease-out both; }
@keyframes result-arrive { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

@media (max-width: 920px) {
  header { position: relative; padding: 18px 24px; }
  .header-right { gap: 10px; }
  .mobile-menu-toggle { width: 44px; height: 44px; display: grid; place-content: center; gap: 4px; padding: 0; color: var(--text); background: transparent; border: 1px solid var(--hairline); }
  .mobile-menu-toggle span { width: 16px; height: 1px; background: currentColor; }
  .header-right > nav { position: absolute; z-index: 50; top: calc(100% - 5px); left: 20px; right: 20px; display: none; flex-direction: column; gap: 0; align-items: stretch; padding: 8px; background: var(--surface); border: 1px solid var(--hairline); border-radius: var(--radius); box-shadow: 0 20px 45px rgba(0,0,0,.45); }
  .header-right > nav.open { display: flex; }
  .header-right > nav a { min-height: 48px; padding: 0 14px; }
  .account-workspace { grid-template-columns: 1fr; gap: 28px; }
  .account-sidebar nav { flex-wrap: wrap; overflow: visible; gap: 4px; }
  .account-sidebar nav a { border: 0; padding-inline: 10px; border-radius: 0; }
  .account-sidebar nav a.active { background: none; text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 6px; }
  .price-option { grid-template-columns: 140px minmax(0,1fr); gap: 20px 28px; }
  .price-option.featured { grid-template-columns: 200px minmax(0,1fr); }
  .price-option .price-action { grid-column: 2; max-width: 300px; }
}
@media (max-width: 700px) {
  main, main.home-main, main.bpm-main, main.bpm-track-main, main.pricing-main, main.separation-main, main.separation-job-main, main.faq-main { padding-top: 26px; }
  header { min-height: 80px; padding: 16px 20px; }
  .header-account { width: 44px; height: 44px; font-size: 0; padding: 0; justify-content: center; }
  .home-copy h1 { font-size: clamp(30px,7.8vw,40px); }
  .home-lead { margin-top: 12px; font-size: 16px; }
  .platform-line { font-size: 14px; line-height: 1.9; }
  .platform-line span { padding-inline: 3px; }
  .home-tool { margin-top: 24px; padding-bottom: 28px; }
  .tool-form .modes { display: grid; grid-template-columns: 1fr; gap: 0; margin-top: 18px; }
  .tool-form .modes label { align-items: center; min-height: 44px; padding: 6px 0; }
  .tool-form .modes span { font-size: 14px; }
  .tool-form .modes small { display: inline; margin-left: 9px; font-size: 14px; }
  .scan-submit-row { gap: 12px; }
  .scan-submit-row button { width: 100%; }
  .scan-submit-row > span { font-size: 14px; }
  .home-explanation, .bpm-explainer { grid-template-columns: 1fr; gap: 12px; margin-top: 28px; }
  .other-tools { margin-top: 28px; }
  .tool-links > a { grid-template-columns: minmax(0,1fr) 20px; gap: 7px 15px; padding-block: 16px; }
  .tool-links p { grid-column: 1; grid-row: 2; font-size: 14px; }
  .tool-links > a > span { grid-column: 2; grid-row: 1 / 3; align-self: center; }
  .home-help { gap: 18px; margin-top: 18px; }
  .section-heading { align-items: flex-start; flex-direction: column; gap: 16px; }
  .guide-tool { align-items: stretch; flex-direction: column; padding-block: 20px; }
  .bpm-copy h1 { font-size: 34px; }
  .bpm-track-hero { padding-top: 18px; }
  .bpm-listen { flex-direction: column; align-items: flex-start; }
  .audio-measurements { gap: 28px 36px; padding-block: 22px; }
  .audio-measurements dd { font-size: 36px; }
  .bpm-track-list > a { grid-template-columns: 24px minmax(0,1fr) auto; gap: 10px; }
  .bpm-track-list > a > svg { display: none; }
  .bpm-track-tempo { max-width: 100px; }
  .bpm-track-name strong { font-size: 14px; }
  .bpm-result-main, .bpm-track-search { grid-template-columns: 1fr; gap: 16px; }
  .bpm-result-key { border: 0; padding: 0; }
  .bpm-result-heading { flex-wrap: wrap; }
  .price-option { grid-template-columns: 1fr; gap: 18px; padding-block: 24px; }
  .price-option .plan-summary { display: grid; grid-template-columns: 1fr auto; gap: 0 18px; align-items: baseline; }
  .price-option.featured { grid-template-columns: minmax(0,1fr); }
  .price-option.featured .plan-summary { display: block; }
  .plan-summary .price { margin: 0; font-size: 28px; }
  .plan-summary > p:not(.price) { grid-column: 1 / -1; margin-top: 8px; }
  .price-option .price-action { grid-column: 1; max-width: none; }
  .pricing-policies { grid-template-columns: 1fr; gap: 26px; }
  .plan-table { font-size: 14px; }
  .plan-table th, .plan-table td { padding: 13px 7px; }
  .result-topline { flex-wrap: wrap; }
  .result .match { gap: 10px; }
  .result-export { flex-wrap: wrap; gap: 12px; }
  .workspace-actions { gap: 8px; }
  .workspace-actions a { flex-basis: 150px; }
  .usage-balance { grid-template-columns: 1fr; }
  .usage-buckets { grid-template-columns: 1fr; }
  .usage-buckets > div { padding: 16px 0; }
  .compact-balance { align-items: flex-start; flex-direction: column; gap: 8px; }
  .separation-mode { grid-template-columns: 1fr; gap: 0; }
  .separation-reference dl > div { grid-template-columns: 1fr; gap: 5px; }
  .separation-stems article { grid-template-columns: 1fr; gap: 12px; }
  .separation-workspace-list a { gap: 14px; }
  .separation-workspace-list a > span { min-width: 0; }
  .separation-workspace-list strong { max-width: 100%; }
  .footer-inner { flex-direction: column; gap: 20px; }
  .footer-inner nav { width: 100%; grid-template-columns: 1fr 1fr; }
  .footer-note span { display: block; margin-left: 0; margin-top: 10px; }
  .save-actions { align-items: flex-start; flex-wrap: wrap; }
  .modal-panel { padding: 35px 20px 24px; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}

.bpm-submit { margin-top: 18px; }
.scanner { display: none; }

.separation-mode legend { color: var(--muted); font-family: inherit; font-size: 14px; letter-spacing: 0; text-transform: none; }
.separation-mode strong { font-size: 14px; }
.separation-mode small, .separation-drop small, .separation-upload-meta, .separation-privacy, .separation-stem-title small { font-size: 14px; line-height: 1.6; }
.separation-upload-meta strong { font-size: 14px; }
.separation-upload-meta { font-family: inherit; }

.bpm-analyze-form > button { margin-top: 18px; }
@media (max-width: 700px) { .bpm-submit { width: 100%; } }

.cover-fallback { display: grid; place-items: center; width: 44px; height: 44px; flex: none; color: var(--faint); background: var(--surface); border: 0; border-radius: 3px; font-size: 24px; font-weight: 400; }
.listen-menu summary { min-height: 44px; }
@media (max-width: 700px) {
  .result .match { gap: 10px; flex-wrap: nowrap; }
  .result .match .time { min-width: 50px; font-size: 14px; }
  .tracklist-columns { grid-template-columns: 50px minmax(0,1fr); gap: 10px; }
  .tracklist-columns span + span { padding-left: 0; }
  .match .cover, .cover-fallback { display: none; }
  .result .match .name { display: block; }
  .result .listen-menu { margin-top: 3px; max-width: none; }
  .match .song-title { font-size: 16px; }
  .listen-menu summary { max-width: 100%; width: auto; }
}

/* Input boundaries remain visible before focus; secondary copy meets AA. */
.tool-form .video-url, .bpm-url-row input, .bpm-timestamp-option input,
.bpm-search-form input, .auth-form input, .delete-form input,
.contact-form input, .contact-form textarea, .history-filter input,
.price-action select { border-color: #5c6a75; }
body :is(a,button,input,textarea,select,summary):focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
.password-field .password-toggle { width: auto; margin: 0; right: 5px; top: 4px; min-height: 40px; padding: 6px 10px; }
.password-field input { margin-top: 7px; padding-right: 76px; }

main.separation-main, main.faq-main { padding-top: 44px; }
@media (max-width: 700px) { main.separation-main, main.faq-main { padding-top: 26px; } }

/* TuneScout studio: one vocabulary from the first link to the finished track. */
:root { --surface-raised:#151d23; --hairline:rgba(198,218,229,.14); --radius:6px; }
.ui-icon { display:inline-block; flex:none; vertical-align:middle; }
button, a, input, summary { -webkit-tap-highlight-color:transparent; }
button, .button-link { gap:8px; }
header { max-width:1440px; padding:22px 40px; border-bottom:1px solid var(--hairline); min-height:86px; }
header nav a { gap:7px; }
header nav .ui-icon { color:var(--faint); }
header nav a[aria-current] .ui-icon { color:var(--accent); }
header nav a[aria-current] { text-decoration-thickness:1px; }
.wordmark { gap:9px; }
.wordmark .mark { color:var(--accent); }
footer { background:rgba(17,22,27,.45); padding-bottom:26px; }
.studio-label { display:flex; align-items:center; gap:9px; color:var(--muted); font-size:14px; font-weight:500; margin:0 0 20px; }
.studio-label .ui-icon { color:var(--accent); }
.input-with-icon { position:relative; width:100%; }
.input-with-icon > .ui-icon { position:absolute; z-index:1; left:16px; top:50%; transform:translateY(-50%); color:var(--faint); pointer-events:none; }
.input-with-icon > input { padding-left:46px !important; }
input:not([type=radio]):not([type=checkbox]):not([type=range]):not([type=hidden]):focus, textarea:focus { border-color:var(--accent-dim); }
.mode-name { display:flex; align-items:center; gap:7px; font-weight:600; font-size:14px; }
.mode-name .ui-icon { color:var(--faint); }
.tool-form .modes label:has(input:checked) .ui-icon { color:var(--accent); }
.tool-form .modes { gap:10px 20px; }
.tool-form .modes label { min-width:145px; }
.tool-form .modes small { font-size:14px; margin-top:5px; }
.tool-form .modes legend { margin-bottom:9px; }
.text-button { display:inline-flex; align-items:center; gap:7px; min-height:44px; padding:8px 0; background:none; color:var(--accent); font:inherit; font-size:14px; border:0; text-decoration:none; }
.text-button:hover { color:var(--text); background:none; }
.button-link .ui-icon, .text-button .ui-icon { width:17px; height:17px; }
main.home-main, main.bpm-main, main.separation-main { max-width:1200px; padding:52px 32px 48px; }
.home-intro, .bpm-hero, .separation-hero { display:grid; grid-template-columns:minmax(0,1.3fr) minmax(0,1fr); align-items:start; column-gap:76px; }
.home-workspace, .home-copy, .bpm-copy, .separation-hero-copy { min-width:0; }
.home-copy h1, .bpm-copy h1, .separation-hero-copy h1 { font-size:clamp(34px,4.2vw,52px); line-height:1.08; letter-spacing:-.04em; font-weight:650; }
.home-lead, .bpm-lead, .separation-lead { font-size:16px; line-height:1.7; margin-top:18px; color:var(--muted); }
.platform-line { margin-top:16px; font-size:14px; line-height:1.9; }
.platform-line span { padding-inline:4px; }
.home-tool { border:0; margin-top:28px; padding-bottom:0; }
.home-tool .tool-form .video-url { font-size:16px; }
.scan-submit-row { gap:14px; margin-top:18px; }
.scan-submit-row > span { font-size:14px; }
.home-explanation { margin-top:56px; border-top:1px solid var(--hairline); padding-top:30px; grid-template-columns:210px minmax(0,1fr); gap:40px; }
.tool-links > a { grid-template-columns:210px minmax(0,1fr) 20px; gap:40px; align-items:center; min-height:82px; }
.tool-links h3 { display:flex; gap:10px; align-items:center; }
.tool-links h3 .ui-icon { color:var(--accent); }
.tool-links > a > span { transition:transform .16s; }
.tool-links > a:hover > span, .tool-links > a:focus-visible > span { transform:translateX(2px); }
.music-example, .stem-example, .tempo-example { min-width:0; margin-top:77px; }
.example-caption { display:flex; justify-content:space-between; align-items:center; gap:12px; font-size:14px; color:var(--muted); margin-bottom:23px; }
.example-caption > span:first-child { display:flex; align-items:center; gap:8px; }
.example-caption .ui-icon { color:var(--accent); }
.signal-bars { height:80px; display:flex; align-items:center; gap:3px; width:100%; overflow:hidden; }
.signal-bars > i { flex:1; min-width:1px; height:var(--level); background:currentColor; border-radius:1px; opacity:.5; }
.example-signal { color:var(--muted); position:relative; }
.example-selection { position:absolute; inset:0 auto 0 18%; width:22%; border-left:1px solid var(--accent); background:rgba(47,216,168,.09); transition:left .26s ease, width .26s ease; }
.music-example[data-mode=scan] .example-selection { left:0; width:100%; }
.music-example[data-mode=scan] .signal-bars { color:var(--accent); }
.music-example[data-mode=spot] .example-selection { left:66%; width:14%; }
.signal-ruler { display:flex; justify-content:space-between; gap:12px; margin-top:10px; font:14px/1.5 var(--mono); color:var(--faint); }
.example-tracks { list-style:none; padding:0; margin:25px 0 0; }
.example-tracks li { display:flex; align-items:center; gap:12px; padding:15px 0; border-top:1px solid var(--hairline); }
.example-tracks strong { display:block; font-size:14px; font-weight:600; }
.example-tracks small { display:block; color:var(--faint); font-size:14px; margin-top:3px; }
.example-time { margin-left:auto; color:var(--accent); font:14px/1.5 var(--mono); }
.record-art, .cover-fallback { display:grid; place-items:center; color:#8abfb2; background:#18312d; width:48px; height:48px; flex:none; border-radius:3px; }
.record-art-2 { color:#bac4e7; background:#242b3c; }
.record-art-3 { color:#d4bda2; background:#342d26; }
.example-note { color:var(--faint); font-size:14px; line-height:1.7; margin:14px 0 0; }
.music-example[data-mode=quick] .example-tracks li:not(:first-child) { opacity:.55; }
.music-example[data-mode=spot] .example-tracks li:not(:last-child) { opacity:.55; }
.example-tracks li { transition:opacity .2s; }
.music-example-compact .example-tracks li:last-child { display:none; }
.beat-preview { width:100%; min-width:0; }
.beat-steps { display:flex; gap:12px; padding:24px 0; border-block:1px solid var(--hairline); }
.beat-steps > span { display:grid; place-items:center; flex:1; min-width:0; height:60px; background:var(--surface); border-bottom:3px solid transparent; color:var(--muted); font:14px/1 var(--mono); transition:color .12s, background .12s; }
.beat-steps > .is-beat { background:#17372e; border-bottom-color:var(--accent); color:var(--text); }
.beat-controls { display:flex; flex-wrap:wrap; align-items:center; gap:8px 18px; margin-top:10px; }
.beat-status { color:var(--faint); font-size:14px; }
.tempo-example .example-note { max-width:340px; }
.bpm-hero { min-height:0; }
.bpm-url-row { display:block; }
.bpm-url-row input { width:100%; min-height:54px; font-size:16px; }
.bpm-search-form { margin-top:12px; }
.bpm-track-list > a { grid-template-columns:32px minmax(0,1fr) auto 18px; }
.bpm-track-index { display:flex; align-items:center; color:var(--accent); }
.bpm-inline-result { margin-top:38px; padding:28px; border:1px solid var(--hairline); background:var(--surface); border-radius:8px; }
.bpm-inline-result.is-analyzing .bpm-result-number strong { animation:none; }
.bpm-inline-result .beat-preview { margin-top:24px; max-width:500px; }
.bpm-inline-result .beat-steps > span { background:var(--bg); }
main.bpm-track-main, main.result-main, main.separation-job-main { max-width:1120px; padding:40px 32px 48px; }
.bpm-track-hero { padding:26px 0 12px; }
.bpm-track-copy h1 { font-size:clamp(34px,4vw,48px); }
.bpm-track-copy .studio-label { margin-bottom:16px; }
.measurement-workbench { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,1fr); align-items:center; gap:55px; padding:30px 0; margin-top:20px; border-block:1px solid var(--hairline); }
.audio-measurements { border:0; gap:32px; padding:0; }
.audio-measurements dd { font-size:clamp(32px,3.7vw,48px); }
.audio-measurements dt { font-size:14px; }
.audio-measurements dd.measurement-note { font-size:14px; }
.bpm-track-search { align-items:center; }
.result .studio-label { margin-bottom:12px; }
.result .video-title { max-width:850px; font-size:clamp(30px,3.8vw,43px); letter-spacing:-.035em; }
.result-map { margin-top:22px; padding:18px 0; border-block:1px solid var(--hairline); }
.result-map .example-caption { margin-bottom:14px; }
.result-timebar { position:relative; height:26px; }
.result-timebar::before { position:absolute; content:""; top:12px; left:0; right:0; height:2px; background:var(--surface-raised); }
.result-timebar i { position:absolute; top:4px; height:18px; width:3px; background:var(--accent); border-radius:1px; }
.result-chapters { display:flex; flex-wrap:wrap; gap:4px 20px; margin-top:8px; }
.chapter-link { display:flex; align-items:center; justify-content:flex-start; gap:7px; min-width:0; padding:8px 0; color:var(--text); background:none; font:inherit; font-size:14px; text-align:left; }
.chapter-link .ui-icon { color:var(--accent); }
.chapter-link > span:last-child { min-width:0; overflow-wrap:anywhere; }
.chapter-link small { display:block; margin-top:3px; font:14px/1.5 var(--mono); color:var(--faint); }
.chapter-link:hover { color:var(--accent); background:none; }
.result-heading { margin-top:30px; font-size:20px; }
.result .match { display:grid; grid-template-columns:68px 52px minmax(0,1fr); align-items:center; gap:16px; padding:22px 16px; scroll-margin-top:35px; transition:background .16s; }
.result .match.is-selected { background:rgba(47,216,168,.05); box-shadow:-3px 0 var(--accent); }
.result .match:focus { outline:none; }
.result .match:focus-visible { outline:2px solid var(--accent); outline-offset:5px; }
.match .cover, .match .cover-fallback { width:48px; height:48px; display:grid; }
.result .match .time { min-width:0; color:var(--accent); font:14px/1.4 var(--mono); }
.result .match .name { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:8px 24px; }
.result .song-title { font-size:17px; }
.match .name small { font-size:14px; line-height:1.7; }
.tracklist-columns { grid-template-columns:68px minmax(0,1fr); padding-inline:16px; }
.tracklist-columns span + span { padding-left:68px; }
.result .listen-menu summary { font-size:14px; }
.result .listen-menu .ui-icon { color:var(--accent); }
.result .listen-menu[open] { min-width:150px; }
.result .listen-menu .links { display:flex; flex-direction:column; }
.result .listen-menu .links a { min-height:36px; font-size:14px; }
.result .recognition-feedback { border-top:1px solid var(--hairline); padding-top:20px; gap:12px; }
.recognition-feedback-actions { gap:4px 12px; }
.recognition-feedback-actions button { padding:7px 0; color:var(--muted); }
.result-export { display:flex; align-items:center; gap:12px 20px; }
.result-export > .ui-icon { color:var(--accent); }
.scan-process-mark { display:grid; place-items:center; width:52px; height:52px; margin:0 auto 22px; color:var(--accent); background:rgba(47,216,168,.07); border-radius:6px; }
.modal-panel { border:1px solid var(--hairline); background:var(--surface); padding:34px; max-width:560px; text-align:left; }
.modal-status, .modal-title, .modal-meta { text-align:left; }
.modal-title { font-size:23px; line-height:1.3; }
.modal-track { margin-top:24px; }
.modal-matches { border-top:1px solid var(--hairline); margin-top:20px; }
.modal-matches .match { padding:12px 0; gap:16px; font-size:14px; }
.modal-matches .time { font:14px/1.5 var(--mono); color:var(--accent); }
.watch { max-width:850px; }
.watch .video-title { font-size:clamp(30px,4vw,43px); line-height:1.2; }
.watch .match { padding:18px 0; }
.watch .studio-label { margin-bottom:24px; }
.stem-example { margin-top:78px; }
.example-stem-mix > span, .example-stem-lanes > div > span { display:flex; gap:8px; align-items:center; color:var(--muted); font-size:14px; }
.example-stem-mix { padding:18px 0; border-block:1px solid var(--hairline); }
.example-stem-mix .signal-bars { height:90px; margin-top:12px; color:var(--accent); }
.example-stem-lanes > div { padding:10px 0; }
.example-stem-lanes .signal-bars { height:28px; margin-top:6px; color:var(--accent); }
.signal-drums i:nth-child(3n), .signal-bass i:nth-child(2n) { opacity:.18; height:12%; }
.signal-mic i:nth-child(4n) { height:20%; }
.stem-example > button { margin-top:12px; }
.separation-drop { border-color:#465861; background:var(--surface); padding:20px; margin-top:18px; transition:background .16s, border-color .16s; }
.separation-drop.is-dragging, .separation-drop:focus-within { background:rgba(47,216,168,.05); border-color:var(--accent); }
.separation-drop-mark { display:grid; place-items:center; width:42px; height:42px; border:0; border-radius:0; background:none; color:var(--accent); }
.separation-drop input { color:var(--muted); }
.separation-drop input::file-selector-button { color:var(--text); background:var(--surface-raised); border:1px solid var(--hairline); border-radius:4px; padding:8px 12px; margin-right:12px; font:inherit; cursor:pointer; }
.separation-mode { display:flex; flex-wrap:wrap; gap:10px 24px; }
.separation-mode label { flex:1; min-width:160px; }
.separation-mode small { line-height:1.5; font-size:14px; }
.separation-upload-meta { gap:12px; margin-top:18px; }
.separation-upload-meta button { margin-left:auto; }
.separation-credit-actions { align-items:center; flex-wrap:wrap; gap:18px; }
.separation-credit-actions button { font-size:14px; }
.separation-hero .separation-login > p { font-size:15px; margin-top:28px; }
.separation-reference { margin-top:45px; }
.separation-back { display:inline-flex; align-items:center; gap:7px; margin-bottom:28px; font-size:14px; }
.separation-job-head h1 { font-size:clamp(29px,3.5vw,40px); line-height:1.18; }
.separation-ready-note span:first-child { display:flex; gap:8px; align-items:center; color:var(--accent); }
.separation-ready-note span:first-child::before { content:""; width:6px; height:6px; border-radius:50%; background:currentColor; }
.separation-stems article { display:grid; grid-template-columns:minmax(0,.8fr) minmax(0,1.3fr); gap:12px 30px; padding:24px 0; align-items:center; }
.separation-stem-title { display:flex; align-items:center; gap:14px; }
.stem-glyph { display:grid; place-items:center; flex:none; width:46px; height:46px; background:rgba(47,216,168,.06); color:var(--accent); border-radius:4px; }
.separation-stem-title h2 { font-size:16px; }
.separation-stem-title small { font-size:14px; }
.separation-stem-title > a { margin-left:auto; display:flex; gap:6px; font-size:14px; }
.stem-player { display:grid; grid-template-columns:42px minmax(0,1fr) 87px; align-items:center; gap:12px; }
.audio-play { display:grid; place-items:center; width:42px; height:44px; min-height:44px; border:1px solid var(--accent-dim); border-radius:5px; background:transparent; color:var(--accent); padding:0; }
.audio-play:hover { background:rgba(47,216,168,.08); }
.audio-timeline { min-width:0; position:relative; }
.audio-timeline canvas { display:block; width:100%; height:34px; }
.audio-timeline input[type=range] { display:block; width:100%; appearance:none; -webkit-appearance:none; height:4px; margin:8px 0 10px; border:0; border-radius:1px; background:linear-gradient(to right,var(--accent) var(--played,0%),#31434a var(--played,0%)); accent-color:var(--accent); padding:0; }
.audio-timeline input::-webkit-slider-thumb { appearance:none; width:10px; height:10px; border-radius:50%; background:var(--accent); }
.audio-timeline input::-moz-range-thumb { width:10px; height:10px; border:0; border-radius:50%; background:var(--accent); }
.audio-caption { display:block; color:var(--faint); font-size:14px; }
.audio-time { font:14px/1.6 var(--mono); color:var(--muted); white-space:nowrap; }
.native-audio { grid-column:2; }
.native-audio summary { cursor:pointer; font-size:14px; color:var(--faint); min-height:30px; display:flex; align-items:center; }
.native-audio summary::after { content:"⌄"; margin-left:6px; }
.native-audio audio { margin-top:8px; }
.separation-job-notice { padding:28px; background:var(--surface); border:1px solid var(--hairline); border-radius:6px; }
.separation-job-notice > .ui-icon { display:block; margin-bottom:16px; color:var(--accent); }
main.auth-main { max-width:1120px; padding:36px 32px; }
.auth-layout { display:grid; grid-template-columns:minmax(0,1fr) minmax(0,430px); align-items:start; gap:90px; }
.auth { width:100%; max-width:none; padding:28px; background:var(--surface); border:1px solid var(--hairline); border-radius:8px; margin:0; }
.auth h1 { font-size:31px; letter-spacing:-.03em; }
.auth .studio-label { margin-bottom:18px; }
.auth-sub { font-size:14px; line-height:1.75; margin-top:14px; }
.auth-story { padding-top:16px; min-width:0; }
.auth-story h2 { font-size:clamp(36px,4.5vw,54px); line-height:1.05; letter-spacing:-.04em; font-weight:650; }
.auth-story > p:not(.studio-label) { max-width:350px; margin-top:20px; color:var(--muted); font-size:15px; line-height:1.8; }
.auth-story .music-example { margin:38px 0 0; max-width:380px; }
.auth-story .example-signal, .auth-story .signal-ruler, .auth-story .example-note { display:none; }
.auth-story .example-caption { margin-bottom:16px; }
.workspace-promises { display:flex; gap:18px; flex-wrap:wrap; padding-top:20px; margin-top:12px; border-top:1px solid var(--hairline); color:var(--faint); font-size:14px; max-width:380px; }
.workspace-promises span { display:flex; align-items:center; gap:7px; }
.auth-form label { font-size:14px; }
.auth-form input { background:var(--bg); border:1px solid var(--hairline); border-radius:5px; min-height:48px; }
.auth .oauth-button { margin-top:22px; font-size:14px; background:var(--bg); border:1px solid var(--hairline); border-radius:5px; }
.auth-form button[type=submit] { min-height:46px; }
.password-toggle { top:4px; right:5px; background:none; min-height:40px; }
.auth .form-message { font-size:14px; }
.auth-legal { font-size:14px; color:var(--faint); line-height:1.8; }
main:has(> .guide), main:has(> .guide-index), main:has(> .about), main:has(> .contact-page), main:has(> .legal), main:has(> .faq-hero) { max-width:880px; padding:40px 32px 48px; }
.guide h1, .guide-index h1, .about h1, .contact-heading h1, .legal h1, .faq-hero h1 { font-size:clamp(32px,4vw,44px); letter-spacing:-.035em; line-height:1.15; }
.guide > .studio-label, .about > .studio-label { margin-top:30px; }
.guide-intro, .about-intro, .contact-heading > p { margin-top:18px; color:var(--muted); font-size:16px; line-height:1.85; }
.guide-flow { display:flex; flex-wrap:wrap; align-items:center; gap:16px 22px; padding:23px 0; margin-top:28px; border-block:1px solid var(--hairline); color:var(--muted); font-size:14px; }
.guide-flow > span { display:flex; gap:8px; align-items:center; }
.guide-flow .ui-icon { color:var(--accent); }
.guide-flow > i { font-style:normal; color:var(--faint); }
.guide-list a { display:grid; grid-template-columns:26px minmax(0,1fr); gap:6px 14px; }
.guide-list a > .ui-icon { color:var(--accent); grid-row:1 / 3; margin-top:2px; }
.guide-list a > span { grid-column:2; }
.contact-form { margin-top:30px; padding:28px; background:var(--surface); border:1px solid var(--hairline); border-radius:8px; }
.contact-form input, .contact-form textarea { background:var(--bg); }
.contact-heading .studio-label { margin-bottom:20px; }
.contact-sent, .form-message:not(.error), .account-notice { border-color:rgba(47,216,168,.25); border-radius:5px; }
.legal > .studio-label { margin-top:10px; }
.legal h2 { font-size:20px; }
.page-contents { background:var(--surface); border:0; padding:14px 18px; border-radius:5px; }
.price-option .plan-summary h2 { display:flex; align-items:center; gap:10px; }
.price-option .plan-summary h2 .ui-icon { color:var(--accent); }
.price-option.featured { background:rgba(47,216,168,.035); box-shadow:-3px 0 var(--accent); padding-inline:24px; margin-inline:0; border-color:rgba(47,216,168,.22); }
.price-option li { font-size:14px; line-height:1.75; }
.pricing-intro .studio-label { margin-bottom:20px; }
main.account-main { max-width:1280px; padding:34px 32px 48px; }
.account-workspace { grid-template-columns:240px minmax(0,1fr); gap:40px; }
.account-sidebar { border:0; background:var(--surface); padding:22px 14px; border-radius:6px; height:max-content; }
.account-identity { padding:0 8px 20px; border-bottom:1px solid var(--hairline); }
.account-sidebar nav { min-width:0; margin-top:0; padding-top:14px; }
.account-sidebar nav a { min-width:0; justify-content:flex-start; flex-wrap:wrap; gap:4px 10px; padding:10px 12px; border-left:0; border-radius:4px; font-size:14px; }
.account-sidebar .account-nav-label { flex:1 0 auto; min-width:0; margin:0; color:inherit; font-family:inherit; white-space:normal; }
.account-sidebar .account-nav-balance { flex:none; margin-inline-start:auto; white-space:nowrap; }
.account-sidebar nav a.active { background:rgba(47,216,168,.07); color:var(--text); }
.account-sidebar nav a.active .ui-icon { color:var(--accent); }
.account-sidebar nav a:hover { background:rgba(255,255,255,.03); }
.account-sidebar-scan { display:flex; align-items:center; gap:10px; padding:12px 12px 0; margin:14px 0 0; font-size:14px; }
.workspace-heading { gap:20px; align-items:start; }
.workspace-heading h1 { font-size:clamp(29px,3.2vw,39px); letter-spacing:-.03em; }
.workspace-heading > div > p { font-size:14px; line-height:1.8; }
.workspace-actions .button-link { font-size:14px; }
.history-artwork { flex:none; }
.history-main { display:grid; gap:16px; grid-template-columns:48px minmax(0,1fr) auto; }
.history-artwork .cover { width:48px; height:48px; border-radius:3px; object-fit:cover; }
.history-artwork .cover-fallback { display:grid; }
.history-tracks { margin-left:64px; padding-left:0; }
.history-list > li { background:none; }
.history-title strong { font-size:15px; }
.history-title small { font-size:14px; line-height:1.7; }
.history-export { margin-left:64px; }
.separation-workspace-list a::before { content:""; width:10px; height:24px; border-inline:2px solid var(--accent); flex:none; opacity:.7; }
.separation-workspace-list a { gap:16px; }
.separation-workspace-list a > span { min-width:0; flex:1; }
.separation-workspace-list em { white-space:nowrap; }
.usage-balance { background:var(--surface); border-radius:6px; padding:18px; }
.usage-buckets > div { padding:12px; }
.usage-balance-total { padding:12px; }
.history-empty, .workspace-empty { padding:32px 0; }
.workspace-empty > .ui-icon { color:var(--accent); margin-bottom:15px; }
.settings-section h2 { font-size:19px; }
.settings-section .auth-form input { background:var(--surface); }
.source-unavailable-copy > .ui-icon { color:var(--accent); margin-bottom:24px; }
.source-unavailable-mark { border:0; box-shadow:none; border-radius:6px; background:rgba(47,216,168,.07); }
.unsubscribe-page .contact-form { max-width:600px; }

@media (max-width:1100px) {
  header { padding-inline:24px; }
  header nav { gap:15px; }
  .home-intro, .bpm-hero, .separation-hero { column-gap:40px; }
  .auth-layout { gap:50px; }
  .account-workspace { gap:32px; }
}
@media (max-width:1040px) {
  header { position:relative; padding:18px 24px; min-height:80px; }
  .mobile-menu-toggle { width:44px; height:44px; display:grid; place-content:center; gap:4px; padding:0; color:var(--text); background:transparent; border:1px solid var(--hairline); }
  .mobile-menu-toggle span { width:16px; height:1px; background:currentColor; }
  .header-right { gap:10px; }
  .header-right > nav { display:none; position:absolute; top:calc(100% - 8px); right:24px; left:auto; min-width:240px; padding:15px 20px; background:var(--surface); border:1px solid var(--hairline); border-radius:6px; z-index:40; box-shadow:0 14px 40px rgba(0,0,0,.3); }
  .header-right > nav.open { display:flex; flex-direction:column; align-items:stretch; gap:3px; }
  header nav a { min-height:44px; text-decoration:none !important; }
  header nav a[aria-current] { color:var(--accent); }
}
@media (max-width:800px) {
  .home-intro, .bpm-hero, .separation-hero { grid-template-columns:minmax(0,1fr); }
  .home-copy h1, .bpm-copy h1, .separation-hero-copy h1 { font-size:42px; max-width:620px; }
  .home-intro > .music-example, .tempo-example, .stem-example { margin-top:36px; border-top:1px solid var(--hairline); padding-top:26px; }
  .home-intro > .music-example { max-width:560px; width:100%; }
  .tempo-example { max-width:560px; }
  .stem-example { max-width:560px; width:100%; }
  .measurement-workbench { gap:30px; }
  .auth-layout { grid-template-columns:minmax(0,1fr) minmax(0,1.2fr); gap:32px; }
  .auth-story h2 { font-size:40px; }
  .auth-story .music-example { display:none; }
  .workspace-promises { margin-top:30px; }
  .account-workspace { grid-template-columns:minmax(0,1fr); gap:30px; }
  .account-sidebar { padding:15px 18px; }
  .account-identity { padding:0 0 12px; }
  .account-sidebar nav { display:flex; flex-wrap:wrap; gap:4px 10px; }
  .account-sidebar nav a { min-height:40px; white-space:nowrap; }
  .account-sidebar-scan { display:none; }
  .separation-stems article { grid-template-columns:minmax(0,1fr); gap:14px; }
  .native-audio { grid-column:1; }
}
@media (max-width:600px) {
  header { padding:14px 20px; min-height:74px; }
  .header-right > nav { right:20px; }
  main.home-main, main.bpm-main, main.separation-main, main.result-main, main.bpm-track-main, main.separation-job-main, main.auth-main, main.account-main, main:has(> .guide), main:has(> .guide-index), main:has(> .about), main:has(> .contact-page), main:has(> .legal), main:has(> .faq-hero) { padding:30px 20px 40px; }
  .home-copy h1, .bpm-copy h1, .separation-hero-copy h1 { font-size:36px; }
  .studio-label { margin-bottom:16px; }
  .home-lead, .bpm-lead, .separation-lead { font-size:15px; }
  .platform-line { font-size:14px; }
  .tool-form .modes { gap:3px; }
  .tool-form .modes label { flex-basis:100%; padding:9px 0; align-items:center; }
  .tool-form .modes label > span { display:flex; flex-wrap:wrap; gap:3px 10px; align-items:center; }
  .tool-form .modes small { margin:0; font-size:14px; }
  .mode-name { font-size:14px; }
  .tool-form .modes input { margin-top:0; }
  .scan-submit-row { gap:12px; }
  .scan-submit-row button { min-width:140px; }
  .scan-submit-row > span { font-size:14px; max-width:150px; }
  .home-explanation { grid-template-columns:1fr; gap:14px; margin-top:34px; padding-top:24px; }
  .tool-links > a { grid-template-columns:minmax(0,1fr) 18px; gap:8px 12px; }
  .tool-links h3 { grid-column:1; }
  .tool-links p { grid-column:1; font-size:14px; }
  .tool-links > a > span { grid-column:2; grid-row:1 / 3; }
  .other-tools { margin-top:30px; }
  .measurement-workbench { grid-template-columns:minmax(0,1fr); }
  .audio-measurements { gap:30px; }
  .beat-steps > span { height:52px; }
  .bpm-track-copy h1 { font-size:34px; }
  .bpm-inline-result { padding:20px; }
  .result-topline { font-size:14px; gap:12px; }
  .result .video-title { font-size:30px; }
  .result .match { grid-template-columns:47px 38px minmax(0,1fr); gap:10px; padding:20px 12px; }
  .match .cover, .match .cover-fallback { display:grid; width:38px; height:38px; }
  .result .match .time { font-size:14px; min-width:0; }
  .result .match .name { display:block; }
  .result .song-title { font-size:15px; }
  .result .name small { font-size:14px; }
  .result .listen-menu { max-width:none; margin-top:5px; }
  .result .listen-menu summary { font-size:14px; min-height:38px; gap:5px; width:auto; }
  .result .listen-menu[open] { min-width:0; max-width:100%; }
  .tracklist-columns { grid-template-columns:52px minmax(0,1fr); gap:10px; padding-inline:12px; }
  .tracklist-columns span + span { padding-left:48px; }
  .result-chapters { gap:0 18px; }
  .chapter-link { font-size:14px; }
  .result-map { margin-top:26px; }
  .separation-drop { padding:16px; gap:10px; }
  .separation-mode label { min-width:130px; }
  .separation-upload-meta button { margin-left:0; }
  .separation-upload-meta { justify-content:space-between; }
  .separation-credit-actions { align-items:start; }
  .separation-stem-title > a { font-size:14px; }
  .stem-player { grid-template-columns:40px minmax(0,1fr) 75px; gap:10px; }
  .audio-time { font-size:14px; }
  .audio-caption { font-size:14px; }
  .auth-layout { grid-template-columns:minmax(0,1fr); gap:28px; }
  .auth-story { padding:0; }
  .auth-story h2 { font-size:32px; }
  .auth-story h2 br { display:none; }
  .auth-story > p:not(.studio-label), .workspace-promises { display:none; }
  .auth { padding:24px 20px; }
  .auth h1 { font-size:29px; }
  .auth-story .studio-label { margin-bottom:12px; }
  .contact-form { padding:20px; }
  .guide-flow { gap:14px; }
  .guide-flow > span { font-size:14px; gap:6px; }
  .guide-flow > i { display:none; }
  .price-option.featured { padding-inline:16px; margin-inline:0; }
  .history-main { grid-template-columns:38px minmax(0,1fr); gap:12px; }
  .history-artwork .cover, .history-artwork .cover-fallback { width:38px; height:38px; }
  .history-tracks { margin-left:50px; padding-left:0; }
  .history-export { margin-left:50px; }
  .usage-balance { padding:10px; }
  .usage-buckets { gap:0; }
  .account-sidebar nav a { font-size:14px; gap:4px 10px; }
  .account-sidebar nav .ui-icon { width:16px; height:16px; }
  .modal-panel { padding:26px 22px; width:100%; }
}
@media (prefers-reduced-motion:reduce) {
  *, *::before, *::after { animation:none !important; transition:none !important; scroll-behavior:auto !important; }
}

/* Only rendered by scripts/design_preview.py. */
.design-preview-bar { display:flex; flex-wrap:wrap; align-items:center; justify-content:space-between; gap:5px 16px; padding:9px max(20px,calc((100% - 1360px)/2)); color:#b8c8c3; background:#12251f; border-bottom:1px solid #284238; font-size:14px; }
.design-preview-bar a { display:inline-flex; gap:6px; align-items:center; min-height:25px; }
main.preview-main { max-width:1120px; padding:40px 32px; }
.preview-main h1 { font-size:clamp(30px,4vw,44px); line-height:1.15; letter-spacing:-.03em; }
.preview-intro { margin-top:20px; max-width:720px; color:var(--muted); font-size:16px; line-height:1.8; }
.preview-tools { display:flex; flex-wrap:wrap; gap:14px 24px; align-items:center; margin:28px 0; }
.preview-main code { overflow-wrap:anywhere; color:var(--text); }
.preview-section { margin-top:38px; padding-top:25px; border-top:1px solid var(--hairline); }
.preview-section h2 { font-size:21px; margin-bottom:18px; }
.preview-section > div { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); column-gap:30px; }
.preview-section a { display:flex; justify-content:space-between; gap:15px; align-items:center; min-height:50px; font-size:14px; text-decoration:none; border-bottom:1px solid var(--hairline); }
@media(max-width:700px) { .preview-section > div { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(max-width:450px) { main.preview-main { padding:30px 20px; } .preview-section > div { grid-template-columns:1fr; } }

/* Compact vertical rhythm keeps the main action in reach. */
.auth-divider { margin:18px 0; }
.auth-form > label:first-of-type { margin-top:0; }
.auth-form .password-toggle { width:auto; margin:0; top:4px; right:5px; }
.result .status .ui-icon { color:var(--accent); margin-right:6px; }
.guide-index { max-width:none; }
@media(min-width:801px) {
  main.home-main { padding-top:32px; }
  .home-copy .studio-label { margin-bottom:14px; }
  .home-copy h1 { font-size:48px; }
  .home-lead { margin-top:12px; }
  .platform-line { margin-top:6px; }
  .home-tool { margin-top:18px; }
  .home-tool .modes { margin-top:16px; }
  .home-tool .modes legend { margin-bottom:4px; }
  .home-tool .scan-options { margin-top:4px; }
  .home-tool .scan-submit-row { margin-top:10px; }
}

.auth-story .example-tracks { margin-top:0; }
@media(max-width:600px) { .header-account[aria-label="Log in"] { width:auto; font-size:14px; padding:8px 10px; } .separation-back { margin-bottom:18px; } .separation-job-head { margin-top:0; } }

.result-timebar i { transform:translateX(-50%); }
.account-sidebar nav a span { white-space:nowrap; }

/* Cover art has a stable placeholder while loading and on failed requests. */
.track-artwork { position:relative; display:block; width:48px; height:48px; flex:none; }
.track-artwork > .cover { position:absolute; inset:0; z-index:1; width:100%; height:100%; object-fit:cover; border-radius:3px; }
.track-artwork > .cover-fallback { width:100%; height:100%; }
@media(max-width:600px) { .track-artwork { width:38px; height:38px; } .stem-player { grid-template-columns:40px minmax(0,1fr) 84px; } .audio-time, .audio-caption { font-size:14px; } }

/* Short copy and optional detail keep the tools easy to scan. */
.tool-form .modes { margin-top:20px; }
.tool-form .modes > label { min-height:52px; align-items:center; }
.tool-form .modes legend.sr-only, .separation-mode legend.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0; }
.tool-links > a { grid-template-columns:minmax(0,1fr) auto; padding-block:22px; }
.tool-links > a > span { grid-column:2; grid-row:1; }
.other-tools { margin-top:56px; }
.result-details, .balance-details, .optional-survey { margin-top:24px; border-top:1px solid var(--hairline); padding-top:12px; }
.result-details > summary, .balance-details > summary, .optional-survey > summary,
.history-detail > summary, .pricing-comparison > summary, .separation-reference > summary { cursor:pointer; min-height:44px; padding-block:10px; font-size:14px; color:var(--muted); }
.result-details > p, .balance-details > p, .separation-reference > p { font-size:15px; line-height:1.7; max-width:65ch; margin-top:12px; color:var(--muted); }
.result-details .recognition-feedback { border:0; margin-top:12px; padding:0; }
.result .listen-menu summary { min-height:44px; }
.result-topline > a, .result-next-step > a, .bpm-separation-cta > a, .breadcrumbs a { display:inline-flex; gap:8px; align-items:center; }
.result .name .song-info { line-height:1.5; }
.bpm-inline-result .measurement-details { margin-top:24px; }
.bpm-inline-result .measurement-details p { margin-top:10px; font-size:14px; color:var(--muted); }
.separation-reference { display:block; }
.separation-reference > a { display:inline-block; margin-top:16px; min-height:44px; font-size:14px; }
.stem-player { grid-template-columns:44px minmax(0,1fr) 110px; }
.audio-timeline { min-width:0; }
.native-audio summary { min-height:44px; }
.auth .auth-sub, .auth-switch { font-size:15px; }
.auth-form { margin-top:24px; }
.auth-legal { color:var(--muted); }
.guide-list a > .ui-icon { grid-row:auto; }
.guide-tool-link { margin-top:24px; }
.guide-copy, .guide-steps p, .guide-points, .about-section p, .legal p, .legal li { font-size:16px; line-height:1.75; }
.guide-section { margin-top:32px; }
.guide-section h2 { font-size:22px; }
.history-detail { margin-left:64px; margin-top:6px; }
.history-detail .history-tracks, .history-detail .history-export { margin-left:0; }
.history-detail > summary { display:list-item; width:fit-content; }
.usage-balance:not(:has(.usage-buckets)) { display:block; }
.usage-balance:not(:has(.usage-buckets)) .usage-balance-total { display:flex; flex-wrap:wrap; align-items:baseline; gap:12px; }
.usage-balance:not(:has(.usage-buckets)) .usage-balance-total span { margin:0; }
.optional-survey .research-survey { margin-top:16px; border:0; padding-top:0; }
.pricing-comparison > summary { font-size:16px; }
.plan-table { margin-top:16px; }
.pricing-policies p { font-size:15px; line-height:1.7; }
.footer-inner nav { display:flex; flex-wrap:wrap; gap:8px 24px; }
.footer-note { display:flex; justify-content:space-between; gap:12px 24px; flex-wrap:wrap; }
.footer-note span { margin:0; }
@media(max-width:600px) {
  .tool-form .modes > label { min-height:44px; }
  .scan-submit-row { flex-wrap:wrap; gap:12px; }
  .scan-submit-row > span { max-width:none; }
  .result .match { grid-template-columns:max-content 38px minmax(0,1fr); gap:10px; }
  .result .match .time { min-width:52px; letter-spacing:-.04em; }
  .stem-player { grid-template-columns:40px minmax(0,1fr); }
  .audio-time { grid-column:2; text-align:right; }
  .history-detail { margin-left:0; }
  .history-main { grid-template-columns:38px minmax(0,1fr); gap:10px; }
  .history-count { display:block; grid-column:2; }
  .auth-story { display:none; }
  .footer-inner { gap:20px; }
}

/* Shared disclosure controls: one label, one clear state indicator. */
main details > summary.disclosure-summary,
#faq details > summary.disclosure-summary {
  display:flex;
  align-items:center;
  justify-content:flex-start;
  gap:10px;
  width:100%;
  max-width:100%;
  min-height:48px;
  padding:12px 0;
  color:var(--muted);
  font-size:14px;
  font-weight:500;
  line-height:1.5;
  list-style:none;
  cursor:pointer;
}
main .disclosure-summary::-webkit-details-marker { display:none; }
main .disclosure-summary::marker { content:""; }
main details > summary.disclosure-summary::before,
main details > summary.disclosure-summary::after,
#faq details > summary.disclosure-summary::after { content:none; }
.disclosure-title { flex:1; min-width:0; overflow-wrap:anywhere; }
.disclosure-summary > .ui-icon { flex:none; color:var(--faint); }
.disclosure-chevron { flex:none; margin-inline-start:auto; color:var(--faint); transition:color .16s; }
.disclosure-chevron > path { transform-box:view-box; transform-origin:center; transition:transform .16s ease; }
main details[open] > .disclosure-summary,
#faq details[open] > .disclosure-summary { color:var(--text); }
details[open] > .disclosure-summary > .disclosure-chevron { color:var(--accent); }
details[open] > .disclosure-summary > .disclosure-chevron > path { transform:rotate(180deg); }
details[open] > .disclosure-summary > .ui-icon { color:var(--accent); }
main details > .disclosure-summary:hover,
#faq details > .disclosure-summary:hover { color:var(--accent); }
.faq-group details > .disclosure-summary,
.guide-section details > .disclosure-summary { font-size:15px; }
#faq details > .disclosure-summary { font-size:15px; }
#faq details p { animation:none; }
.faq-group details[open] > .disclosure-summary + p,
.guide-section details[open] > .disclosure-summary + p { padding-top:8px; }
.result-details[open], .balance-details[open], .optional-survey[open],
.history-detail[open], .measurement-details[open], .separation-reference[open],
.pricing-comparison[open] { padding-bottom:16px; }
.page-contents { padding:0 16px; }
.page-contents[open] { padding-bottom:16px; }

/* Opening a listening menu never changes the track's layout. */
.result .match { align-items:start; }
.result .match .time { min-height:48px; }
.result .song-info { display:flex; min-height:48px; flex-direction:column; justify-content:center; gap:4px; }
.result .song-info > .song-title { line-height:1.4; }
.result .song-info > small { margin:0; line-height:1.5; }
.result .listen-menu,
.result .listen-menu[open] { position:relative; width:max-content; min-width:0; max-width:100%; margin:0; }
.result .listen-menu[open] { z-index:30; }
.result .listen-menu > summary.disclosure-summary {
  width:max-content;
  min-height:44px;
  padding:9px 12px;
  gap:8px;
  color:var(--accent);
  border:1px solid var(--hairline);
  border-radius:5px;
  background:transparent;
}
.result .listen-menu > .disclosure-summary:hover,
.result .listen-menu[open] > .disclosure-summary { background:rgba(47,216,168,.06); border-color:var(--accent-dim); }
.result .listen-menu > .links {
  position:absolute;
  z-index:40;
  inset:calc(100% + 8px) 0 auto auto;
  display:flex;
  flex-direction:column;
  flex-wrap:nowrap;
  gap:2px;
  width:224px;
  max-width:calc(100vw - 32px);
  max-height:var(--listen-max-height,min(320px,calc(100dvh - 32px)));
  overflow-y:auto;
  margin:0;
  padding:6px;
  border:1px solid var(--hairline);
  border-radius:7px;
  background:var(--surface-raised,#172027);
  box-shadow:0 12px 32px rgba(0,0,0,.35);
  transform:translateX(var(--listen-shift,0px));
}
.result .listen-menu:not([open]) > .links { display:none; }
.result .listen-menu[data-side="up"] > .links { top:auto; bottom:calc(100% + 8px); }
.result .listen-menu .links a {
  display:grid;
  grid-template-columns:20px minmax(0,1fr) 14px;
  align-items:center;
  gap:12px;
  min-height:44px;
  padding:10px;
  border:0;
  border-radius:4px;
  color:var(--text);
  font-size:14px;
  text-decoration:none;
}
.result .listen-menu .links a:hover,
.result .listen-menu .links a:focus-visible { color:var(--accent); background:rgba(47,216,168,.07); }
.result .listen-menu .links a:focus-visible { outline-offset:-2px; }
.result .listen-menu .links a > .ui-icon { color:var(--faint); }
.service-icon { display:block; width:20px; height:20px; flex:none; }
.bpm-listen-links .service-icon { width:20px; height:20px; }
@media(max-width:600px) {
  .result .match .time { min-height:38px; }
  .result .song-info { min-height:38px; }
  .result .match .name { display:flex; flex-direction:column; align-items:flex-start; gap:10px; }
}
@media(prefers-reduced-motion:reduce) { .disclosure-chevron, .disclosure-chevron > path { transition:none; } }