/* Hallmark · shape: app screen · genre: atmospheric · theme: Kiln (deal 3/3)
 * nav: project masthead · signature: real recorded waveforms and live A/B comparison · states: loading, empty, error, full · kiln: ember
 * axes: dark/high-contrast-serif/warm · posture: restrained · contrast: checked by tokens · v2.0.0 */
/* Hallmark · pre-emit critique: dense controls need clear hierarchy; waveform, then transport, then effects. */
/* Hallmark · waive 39b · .line-row and .preset-grid button each show two useful lines · Audio selection needs a code and its text; transport controls retain 44px targets. */
@import url('./tokens.css');
@import url('./base.css');
:root { --container: 1400px; --gutter: 32px; --gap-columns: 32px; --radius-control: 8px; --color-selection: oklch(25% .032 40); --color-input-edge: oklch(48% .022 40); --color-wave: oklch(80% .035 70); --color-transparent: transparent; --color-shadow: oklch(8% .01 40 / .25); }
* { box-sizing: border-box; }
html,body { overflow-x: clip; }
body { margin: 0; background: var(--color-paper); color: var(--color-ink); font: 400 var(--text-md)/1.5 var(--font-body); font-synthesis: none; }
button,input,select,output { font: inherit; }
button,a,input,select,summary { -webkit-tap-highlight-color: var(--color-transparent); }
button { cursor: pointer; min-height: 44px; border: 0; color: var(--color-ink); background: var(--color-transparent); border-radius: var(--radius-control); padding: var(--space-xs) var(--space-sm); transition: background-color var(--dur-micro) var(--ease-out), color var(--dur-micro) var(--ease-out); }
button:hover { background: var(--color-paper-3); }
button:active { transform: translateY(1px); }
button:disabled { opacity: .45; cursor: not-allowed; transform: none; }
button[aria-busy=true] { cursor: progress; }
:where(button,a,input,select,summary):focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
a { color: var(--color-ink); text-underline-offset: 4px; }
a:hover { color: var(--color-ink-2); }
h1,h2,h3,p { margin: 0; }
h1,h2,h3 { overflow-wrap: break-word; min-width: 0; text-wrap: balance; }
p { text-wrap: pretty; }
h1 { font: 500 var(--text-3xl)/1.15 var(--font-display); letter-spacing: var(--tracking-display); }
h2 { font: 500 var(--text-lg)/1.3 var(--font-body); }
h3 { font: 500 var(--text-md)/1.4 var(--font-body); }
svg { display: block; width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex-shrink: 0; }
.container { width: min(100%,var(--container)); margin-inline: auto; padding-inline: var(--gutter); }
.mast { display: flex; align-items: center; justify-content: space-between; padding-block: var(--space-lg); gap: var(--space-lg); }
.wordmark { display: flex; align-items: baseline; gap: var(--space-md); font: 500 36px/1 var(--font-display); letter-spacing: var(--tracking-display); text-decoration: none; }
.wordmark span { font: 400 var(--text-sm)/1.5 var(--font-body); color: var(--color-muted); letter-spacing: normal; }
.library-size { font-size: var(--text-sm); color: var(--color-muted); font-variant-numeric: tabular-nums; }
.library-size span { margin-inline: var(--space-xs); color: var(--color-input-edge); }
.intro { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-lg); padding-block: var(--space-xl) var(--space-lg); border-top: 1px solid var(--color-rule); }
.intro p { color: var(--color-muted); font-size: var(--text-sm); }
.workbench { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,1.12fr); gap: var(--gap-columns); align-items: start; }
.catalogue { min-width: 0; padding-top: var(--space-md); }
.section-heading { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); }
.meta { color: var(--color-muted); font-size: var(--text-sm); }
.role-tabs { display: flex; gap: var(--space-2xs); margin-block: var(--space-md); padding-bottom: var(--space-xs); border-bottom: 1px solid var(--color-rule); }
.role-tabs button { font-size: var(--text-sm); }
.role-tabs button[aria-pressed=true] { background: var(--color-paper-3); }
.search-row { display: flex; gap: var(--space-sm); margin-bottom: var(--space-md); }
.search { display: flex; align-items: center; gap: var(--space-xs); flex: 1; min-width: 0; background: var(--color-paper-2); border: 1px solid var(--color-input-edge); border-radius: var(--radius-control); padding-inline: var(--space-sm); color: var(--color-muted); }
.search svg { width: 18px; height: 18px; }
.search input { width: 100%; min-width: 0; padding-block: var(--space-sm); border: 0; background: var(--color-transparent); color: var(--color-ink); font-size: var(--text-sm); }
input::placeholder { color: var(--color-muted); }
select { min-height: 44px; width: 142px; border: 1px solid var(--color-input-edge); border-radius: var(--radius-control); color: var(--color-ink); background: var(--color-paper-2); padding: var(--space-xs); font-size: var(--text-sm); }
.line-list { min-width: 0; }
.pages { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); padding-top: var(--space-xs); }
.pages button { font-size: var(--text-xs); }
.line-row { display: grid; grid-template-columns: minmax(0,1fr) auto; text-align: left; width: 100%; padding: var(--space-md); min-height: 88px; gap: var(--space-xs) var(--space-md); border-radius: 0; border-bottom: 1px solid var(--color-rule); }
.line-row:hover { background: var(--color-paper-2); }
.line-row[aria-current=true] { background: var(--color-selection); box-shadow: inset 3px 0 var(--color-accent); }
.line-row strong { font-weight: 500; font-size: var(--text-sm); }
.line-row p { grid-column: 1 / -1; font-size: var(--text-sm); color: var(--color-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row-info { display: flex; align-items: center; gap: var(--space-xs); color: var(--color-muted); font-size: var(--text-sm); font-variant-numeric: tabular-nums; }
.row-info svg { width: 14px; height: 14px; }
.catalogue-footer { display: flex; align-items: center; justify-content: space-between; gap: var(--space-xs); padding-top: var(--space-sm); color: var(--color-muted); font-size: var(--text-xs); }
.text-button { text-decoration: underline; text-underline-offset: 4px; font-size: var(--text-xs); padding-inline: var(--space-xs); }
.studio { padding: var(--space-lg); background: var(--color-paper-2); border-radius: var(--radius-well); position: sticky; top: var(--space-lg); min-width: 0; }
.selected-heading { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-sm); }
.selected-heading h2 { font-variant-numeric: tabular-nums; }
.line-text { font: 500 var(--text-2xl)/1.35 var(--font-display); margin-top: var(--space-md); min-height: 78px; }
.notice { color: var(--color-ink-2); border-left: 2px solid var(--color-accent); padding-left: var(--space-sm); font-size: var(--text-sm); margin-top: var(--space-sm); }
.takes { display: flex; gap: var(--space-xs); flex-wrap: wrap; padding-block: var(--space-md); }
.takes button { font-size: var(--text-sm); min-height: 44px; border: 1px solid var(--color-input-edge); }
.takes button[aria-pressed=true] { border-color: var(--color-ink); box-shadow: inset 0 -2px var(--color-ink); }
.player { margin-block: var(--space-xs) var(--space-lg); }
.player-caption { display: flex; justify-content: space-between; gap: var(--space-sm); font-size: var(--text-xs); color: var(--color-muted); }
.waveform { position: relative; height: 112px; margin-top: var(--space-xs); overflow: clip; }
.waveform svg { width: 100%; height: 100%; stroke: var(--color-wave); stroke-width: 2; }
.playhead { position: absolute; top: 0; bottom: 0; left: 0; width: 1px; background: var(--color-accent); pointer-events: none; transform: translateX(0); }
.scrubber { display: block; margin-bottom: var(--space-sm); }
input[type=range] { display: block; width: 100%; accent-color: var(--color-accent); min-height: 32px; cursor: pointer; margin: 0; }
.scrubber input { min-height: 24px; }
.transport { display: flex; align-items: center; gap: var(--space-xs); }
.primary { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs); background: var(--color-accent); color: var(--color-accent-ink); padding-inline: var(--space-md); font-weight: 500; min-width: 120px; }
.primary:hover { background: var(--color-focus); }
.primary svg { fill: currentColor; stroke-width: 0; width: 17px; height: 17px; }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: 44px; padding: var(--space-xs); }
.icon-button[aria-pressed=true] { background: var(--color-selection); outline: 1px solid var(--color-input-edge); }
.time { display: flex; gap: var(--space-xs); color: var(--color-muted); margin-left: auto; font-size: var(--text-xs); font-variant-numeric: tabular-nums; white-space: nowrap; }
.player-status { min-height: 20px; padding-top: var(--space-xs); }
.player-status.is-error { color: var(--color-error); }
.effects { padding-top: var(--space-md); border-top: 1px solid var(--color-rule); }
.compare { font-size: var(--text-xs); text-decoration: underline; text-underline-offset: 4px; padding-inline: var(--space-xs); }
.compare[aria-pressed=true] { background: var(--color-ink); color: var(--color-paper); text-decoration: none; }
.preset-grid { display: grid; grid-template-columns: repeat(6,minmax(0,1fr)); gap: var(--space-xs); margin-top: var(--space-sm); }
.preset-grid button { grid-column: span 2; padding: var(--space-sm) var(--space-xs); text-align: left; min-width: 0; border-radius: 0; border-bottom: 2px solid var(--color-rule); white-space: nowrap; }
.preset-grid button:nth-last-child(-n+2) { grid-column: span 3; }
.preset-grid button:hover { background: var(--color-paper-3); }
.preset-grid button[aria-pressed=true] { border-bottom-color: var(--color-accent); }
.preset-grid span { display: block; font-size: var(--text-sm); font-weight: 500; }
.preset-grid small { display: block; font-size: var(--text-xs); color: var(--color-muted); margin-top: var(--space-2xs); }
.preset-description { font-size: var(--text-xs); color: var(--color-muted); min-height: 36px; padding-top: var(--space-sm); }
.sliders { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: var(--space-lg); padding-top: var(--space-md); }
.sliders label { font-size: var(--text-xs); min-width: 0; }
.sliders label>span { display: flex; justify-content: space-between; gap: var(--space-xs); }
.sliders output { color: var(--color-muted); font-variant-numeric: tabular-nums; white-space: nowrap; }
.actions { display: flex; gap: var(--space-xs); flex-wrap: wrap; margin-top: var(--space-lg); }
.secondary { display: inline-flex; align-items: center; justify-content: center; gap: var(--space-xs); font-size: var(--text-sm); border: 1px solid var(--color-input-edge); }
.secondary svg { width: 16px; height: 16px; }
.secondary[aria-pressed=true] { background: var(--color-selection); }
.secondary[aria-pressed=true] svg { fill: currentColor; }
#export-status { padding-top: var(--space-xs); }
.details { margin-top: var(--space-sm); font-size: var(--text-xs); color: var(--color-muted); }
summary { cursor: pointer; padding-block: var(--space-xs); width: fit-content; }
.details p { padding-block: var(--space-xs); overflow-wrap: break-word; }
.details a { display: inline-block; padding-block: var(--space-xs); }
.proposals { margin-top: var(--space-xl); padding-top: var(--space-lg); border-top: 1px solid var(--color-rule); scroll-margin-top: var(--space-lg); }
.proposals>.meta { margin-top: var(--space-sm); }
.proposal-list { list-style: none; margin: var(--space-lg) 0; padding: 0; }
.proposal-list li { display: grid; grid-template-columns: minmax(0,1fr) minmax(0,2fr) auto; align-items: center; gap: var(--space-md); padding-block: var(--space-sm); border-bottom: 1px solid var(--color-rule); }
.proposal-list strong { font-size: var(--text-sm); font-weight: 500; }
.proposal-list .proposal-controls { display: flex; gap: var(--space-xs); }
.proposal-list button { font-size: var(--text-xs); }
.proposal-note { display: block; max-width: 70ch; margin-top: var(--space-lg); font-size: var(--text-sm); }
textarea { display: block; width: 100%; margin-top: var(--space-xs); padding: var(--space-sm); border: 1px solid var(--color-input-edge); border-radius: var(--radius-control); background: var(--color-paper-2); color: var(--color-ink); font: inherit; resize: vertical; }
textarea:focus-visible { outline: 2px solid var(--color-focus); outline-offset: 3px; }
#copy-status { min-height: 24px; padding-block: var(--space-sm); }
#copy-fallback { margin-top: var(--space-sm); font-size: var(--text-sm); }
@media (max-width: 720px) { .proposal-list li { grid-template-columns: minmax(0,1fr) auto; } .proposal-list .meta { grid-column: 1 / -1; grid-row: 2; } .proposal-list .proposal-controls { grid-column: 2; grid-row: 1; } }
footer { display: flex; align-items: baseline; justify-content: space-between; gap: var(--space-xl); margin-top: var(--space-xl); padding-block: var(--space-lg); border-top: 1px solid var(--color-rule); color: var(--color-muted); font-size: var(--text-xs); }
footer details { max-width: 64ch; }
footer details p { padding-block: var(--space-xs); }
.empty { text-align: center; padding: var(--space-xl) var(--space-md); color: var(--color-muted); font-size: var(--text-sm); }
.empty button { margin-top: var(--space-sm); text-decoration: underline; text-underline-offset: 4px; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: clip; clip-path: inset(50%); white-space: nowrap; border: 0; }
[hidden] { display: none !important; }
@media (max-width: 1000px) { :root { --gutter: 24px; --gap-columns: 24px; } .intro { align-items: flex-start; flex-direction: column; gap: var(--space-xs); } .studio { padding: var(--space-md); } .selected-heading { flex-wrap: wrap; } }
@media (max-width: 720px) { :root { --gutter: 16px; } .mast { padding-block: var(--space-lg); } .wordmark { font-size: 32px; gap: var(--space-xs); } .library-size { display: none; } .intro { padding-block: var(--space-lg); } h1 { font-size: var(--text-2xl); } .workbench { grid-template-columns: minmax(0,1fr); } .studio { position: static; grid-row: 1; } .catalogue { grid-row: 2; } .preset-grid small { display: none; } .preset-grid span { font-size: var(--text-xs); } .line-text { min-height: 0; font-size: var(--text-xl); } .sliders { gap: var(--space-md); } .section-heading { flex-wrap: wrap; } .waveform { height: 90px; } .transport { gap: var(--space-2xs); } .primary { min-width: 108px; } .time { gap: var(--space-2xs); } .icon-button { width: 40px; } footer { flex-direction: column; gap: var(--space-xs); } .catalogue-footer { flex-wrap: wrap; } }
@media (prefers-reduced-motion: reduce) { *,*::before,*::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; } }