:root {
    --ink: #05070d;
    --panel: #11151e;
    --panel-raised: #171c27;
    --text: #e6eaf2;
    --muted: #98a2b3;
    --dim: #687386;
    --caption-blue: var(--v2-blue, #1014ef);
    --caption-blue-light: #93acff;
    --caption-blue-hover: var(--v2-blue-hover, #2429ff);
    --cyan: #00d9e8;
    --green: #27c58b;
    --red: #f36b76;
    --border: rgba(255,255,255,.085);
    --border-strong: rgba(255,255,255,.14);
}

* { box-sizing: border-box; }
body {
    margin: 0;
    min-height: 100vh;
    color: var(--text);
    background: var(--ink);
    font-family: "Manrope", "Outfit", system-ui, sans-serif;
    -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { opacity: .5; cursor: not-allowed; }
*[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--cyan); outline-offset: 3px; }
.skip-link {
    position: fixed; z-index: 1000; top: 12px; left: 12px;
    padding: 9px 12px; border-radius: 8px; color: var(--ink); background: #fff;
    transform: translateY(-170%);
}
.skip-link:focus { transform: translateY(0); }

body.captions-page-v4 main.main-container {
    --v2-blue-light: #93acff;
    width: min(1440px, calc(100% - 48px));
    max-width: none;
    margin: 40px auto 0;
    padding: 0 0 48px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.caption-workbench { display: grid; gap: 16px; }
.caption-page-intro {
    min-width: 0;
    padding: 4px 4px 8px;
    display: grid;
    grid-template-columns: minmax(0,1fr) minmax(300px,500px);
    align-items: end;
    gap: 24px;
}
.caption-page-eyebrow, .source-step, .workflow-step, .step-label {
    margin: 0 0 7px;
    color: var(--caption-blue-light);
    font: 600 .8rem/1.4 "Outfit", system-ui, sans-serif;
    letter-spacing: .01em;
    text-transform: none;
}
.caption-page-intro h1 {
    margin: 0;
    color: #f4f6f9;
    font: 800 clamp(1.8rem,2.7vw,2.6rem)/1.1 "Manrope", system-ui, sans-serif;
    letter-spacing: -.025em;
}
.caption-page-intro > p {
    max-width: 500px;
    margin: 0 0 3px;
    color: var(--muted);
    font-size: .9rem;
    line-height: 1.55;
}

.workflow-card, .history-section {
    min-width: 0;
    border: 1px solid var(--border);
    border-radius: 16px;
    background: rgba(17,21,30,.92);
    box-shadow: 0 14px 36px rgba(0,0,0,.22);
}

/* Compact, fluid source bar. No capped columns or space-between dead zone. */
.caption-source-bar {
    width: 100%;
    padding: 16px 18px;
    display: grid;
    grid-template-columns: minmax(180px,230px) minmax(230px,310px) minmax(320px,1fr);
    align-items: center;
    gap: 16px;
}
.caption-source-bar.source-intake-shell {
    width: min(100%, 720px);
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}
.caption-source-bar.source-intake-shell .source-picker-title {
    display: block;
    margin: 0 0 14px;
}
.caption-source-bar.source-intake-shell .source-picker-title h2 {
    font-size: 1rem;
}
.caption-source-bar.source-intake-shell .source-picker-title h2 + p {
    font-size: .8rem;
}
.caption-source-bar.source-intake-shell .source-picker-title { display: none; }
.caption-source-bar.source-intake-shell .source-intake-dropzone { height: 310px; }
.caption-source-bar.source-intake-shell .source-intake-dropzone button {
    min-height: 56px;
    margin-top: 22px;
    padding-inline: 16px;
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 700;
}
.caption-source-bar.source-intake-shell .source-row input,
.caption-source-bar.source-intake-shell .source-row button {
    min-height: 56px;
}
.caption-source-bar.source-intake-shell .source-row input {
    border-radius: 12px;
    padding: 12px 15px;
    font-size: .92rem;
}
.caption-source-bar.source-intake-shell .source-row button {
    border-radius: 12px;
    font-size: 1.05rem;
    font-weight: 700;
}
.caption-page-intro {
    display: block;
    text-align: center;
    padding: 0;
}
.caption-page-intro h1 {
    font-size: clamp(1.75rem, 3vw, 2.2rem);
    line-height: 1.1;
}
.caption-source-bar.source-intake-shell .source-intake-dropzone {
    min-height: 260px;
    padding: 40px 28px;
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    justify-items: center;
    align-content: center;
    gap: 8px;
    border: 2px dashed var(--border-strong);
    border-radius: 20px;
    background: rgba(255,255,255,.02);
    color: var(--muted);
    text-align: center;
    cursor: default;
}
.caption-source-bar.source-intake-shell .source-intake-icon {
    grid-row: auto;
    width: 56px;
    height: 56px;
    margin: 0 auto 18px;
    border: 0;
    border-radius: 16px;
    color: #fff;
    background: linear-gradient(135deg, #1014EF, #2F74C9);
    box-shadow: inset 0 1px 0 rgba(255,255,255,.25), 0 10px 28px rgba(16,20,239,.4);
}
.caption-source-bar.source-intake-shell .source-intake-icon svg {
    width: 26px;
    height: 26px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.caption-source-bar.source-intake-shell .source-intake-dropzone strong {
    color: #edf0f5;
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: -.01em;
    white-space: normal;
}
.caption-source-bar.source-intake-shell .source-intake-dropzone p {
    margin: 0;
    color: var(--muted);
    font-size: .92rem;
    line-height: 1.55;
    white-space: normal;
}
.source-picker-title { min-width: 0; }
.source-picker-title h2 {
    margin: 0; color: #f0f3f7; font-size: 1.05rem; font-weight: 800;
    line-height: 1.15; letter-spacing: -.025em;
}
.source-picker-title h2 + p {
    margin: 5px 0 0; color: var(--muted); font-size: .74rem; line-height: 1.35;
}
.source-drop {
    min-width: 0; min-height: 72px; padding: 10px 12px;
    display: grid; grid-template-columns: 38px minmax(0,1fr); grid-template-rows: auto auto;
    align-items: center; column-gap: 11px;
    border: 1px dashed rgba(16,20,239,.48); border-radius: 12px;
    background: rgba(16,20,239,.055); cursor: pointer;
    transition: border-color .16s ease, background .16s ease;
}
.source-drop:hover, .source-drop.drag {
    border-color: var(--caption-blue-light); background: rgba(16,20,239,.11);
}
.source-icon {
    grid-row: 1 / span 2; width: 38px; height: 38px;
    display: grid; place-items: center;
    border: 1px solid rgba(16,20,239,.32); border-radius: 10px;
    color: var(--caption-blue-light); background: rgba(16,20,239,.13);
}
.source-icon svg {
    width: 20px; fill: none; stroke: currentColor; stroke-width: 1.7;
    stroke-linecap: round; stroke-linejoin: round;
}
.source-drop strong {
    min-width: 0; overflow: hidden; color: #edf0f5; font-size: .82rem;
    text-overflow: ellipsis; white-space: nowrap;
}
.source-drop p {
    min-width: 0; margin: 2px 0 0; overflow: hidden; color: var(--dim);
    font-size: .62rem; text-overflow: ellipsis; white-space: nowrap;
}
.source-path-stack { min-width: 0; display: grid; gap: 6px; }
.source-row { min-width: 0; display: grid; grid-template-columns: minmax(0,1fr) auto; }
.source-row input {
    min-width: 0; min-height: 44px; padding: 0 13px;
    border: 1px solid var(--border-strong); border-radius: 10px 0 0 10px;
    outline: none; color: #f3f5f8; background: rgba(255,255,255,.035); font-size: .82rem;
}
.source-row input:focus {
    position: relative; z-index: 1; border-color: var(--caption-blue-light);
    box-shadow: 0 0 0 3px rgba(16,20,239,.16);
}
.source-row button, .source-row .btn-secondary {
    min-width: 92px; min-height: 44px; border: 0; border-radius: 0 10px 10px 0;
    color: #fff; background: var(--caption-blue); font-size: .78rem; font-weight: 800;
}
.source-row button:hover:not(:disabled) { background: var(--caption-blue-hover); }
.source-message {
    min-height: 1em; margin: 0; color: var(--dim); font-size: .64rem; line-height: 1.3;
}
.source-message.success { color: #72dcb5; }
.source-message.error { color: #ff9ba4; }
.source-info {
    min-width: 0; display: flex; align-items: baseline; gap: 8px;
    color: #cbd2dd; font-size: .64rem;
}
.source-info strong { flex: 0 0 auto; }
.source-info span {
    min-width: 0; overflow: hidden; color: var(--dim);
    font: 500 .62rem/1.2 "JetBrains Mono", monospace;
    text-overflow: ellipsis; white-space: nowrap;
}
.caption-config { display: grid; gap: 16px; }
.caption-config[hidden] { display: none !important; }

/* Styles, setup, and renderer each own a desktop column. */
.caption-workspace-grid {
    display: grid;
    grid-template-columns: minmax(430px,1.22fr) minmax(290px,.72fr) minmax(350px,.86fr);
    grid-template-areas: "style layout preview";
    gap: 16px;
    align-items: start;
}
.caption-style-panel { grid-area: style; }
.caption-layout-panel { grid-area: layout; }
.caption-preview-panel { grid-area: preview; }
.controls-panel, .settings-panel, .preview-panel { min-width: 0; padding: 20px; }
.panel-heading { margin: 0 0 15px; }
.panel-heading > label, .preview-heading label {
    display: block; color: #eef1f6; font-size: 1rem; font-weight: 800;
    line-height: 1.15; letter-spacing: -.025em; text-transform: none;
}
.panel-heading > p:not(.workflow-step):not(.step-label) {
    margin: 6px 0 0; color: var(--muted); font-size: .72rem; line-height: 1.4;
}

.preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit,minmax(130px,1fr));
    gap: 8px;
}
.preset-tile {
    min-width: 0; min-height: 60px; padding: 8px 7px;
    display: grid; place-items: center;
    border: 1px solid var(--border); border-radius: 10px;
    color: #cbd2dd; background: rgba(255,255,255,.028); text-align: center;
    transition: border-color .15s ease, background .15s ease, transform .15s ease;
}
.preset-tile:hover, .preset-tile:focus-visible {
    border-color: rgba(16,20,239,.72); background: rgba(16,20,239,.09);
    transform: translateY(-1px);
}
.preset-tile.active {
    border-color: var(--caption-blue-light); background: rgba(16,20,239,.13);
    box-shadow: 0 0 0 1px rgba(16,20,239,.14);
}
.preset-visual {
    min-width: 0; min-height: 2rem; display: grid; place-items: center; overflow: visible;
}
.preset-sample {
    max-width: 100%; color: #fff; font-size: clamp(.67rem,.75vw,.86rem);
    line-height: 1; white-space: nowrap; text-overflow: clip;
}
.preset-sample[data-long-preset-label="true"] { font-size: clamp(.58rem,.66vw,.76rem); }
.preset-sample span { display: inline-block; }
.preset-sample .sample-active, .preset-name { display: none; }
.custom-caption-actions { margin-top: 9px; }
.control-help {
    margin: 8px 0 0; color: var(--dim); font-size: .64rem; line-height: 1.35;
}

.caption-layout-grid {
    display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px 10px;
}
.caption-layout-grid > label, .compact-controls label, .control-field {
    min-width: 0; margin: 0; display: grid; align-content: start; gap: 7px;
    color: #b8c0cc; font-size: .68rem; font-weight: 700;
}
.caption-layout-grid label > span, .compact-controls label > span, .control-field > span { display: block; }
.caption-layout-grid select, .compact-controls select,
.control-field select, .control-field input[type="text"] {
    width: 100%; min-width: 0; min-height: 40px; padding: 0 10px;
    border: 1px solid var(--border-strong); border-radius: 9px; outline: none;
    color: #eef1f5; background: rgba(255,255,255,.035); font-size: .72rem;
}
.caption-layout-grid select:focus, .compact-controls select:focus,
.control-field select:focus, .control-field input[type="text"]:focus {
    border-color: var(--caption-blue-light); box-shadow: 0 0 0 3px rgba(16,20,239,.16);
}
.caption-size-control { grid-column: 1 / -1; padding-top: 2px; }
.control-line {
    display: flex !important; align-items: center; justify-content: space-between; gap: 10px;
}
.control-line output, #caption-pos-value {
    color: var(--caption-blue-light); font: 700 .67rem/1 "JetBrains Mono", monospace;
}
input[type="range"] { width: 100%; accent-color: var(--caption-blue-light); }
.caption-option-grid { margin-top: 18px; display: grid; gap: 10px; }
.hook-module { margin: 0; }
.toggle-row {
    min-height: 56px; padding: 10px 11px;
    display: flex; align-items: center; justify-content: space-between; gap: 12px;
    border: 1px solid rgba(16,20,239,.23); border-radius: 10px;
    color: #dce1e9; background: rgba(16,20,239,.055); cursor: pointer;
}
.toggle-row strong, .toggle-row small { display: block; }
.toggle-row strong { font-size: .72rem; }
.toggle-row small {
    margin-top: 3px; color: var(--muted); font-size: .61rem;
    font-weight: 500; line-height: 1.25;
}
.hook-options {
    margin: 8px 0 0; padding: 10px;
    border: 1px solid var(--border); border-radius: 10px;
    background: rgba(255,255,255,.02);
}
.hook-options[hidden] { display: none; }
.hook-options .control-field { margin-bottom: 10px; }
.hook-options .control-field small { color: var(--dim); font-size: .58rem; }
.compact-controls { display: grid; grid-template-columns: minmax(0,1fr); gap: 9px; }

.preview-panel { min-height: 640px; display: flex; flex-direction: column; }
.preview-heading { flex: 0 0 auto; }
.phone-stage { min-height: 0; display: grid; justify-items: center; }
.phone-preview {
    --preview-aspect-ratio: 9 / 16;
    position: relative; isolation: isolate;
    width: min(100%,320px); height: auto; aspect-ratio: var(--preview-aspect-ratio);
    overflow: hidden; border: 3px solid #242b38; border-radius: 24px;
    background: #080a0f;
    box-shadow: 0 22px 48px rgba(0,0,0,.34), 0 0 0 1px rgba(255,255,255,.04);
}
.phone-preview[data-source-orientation="landscape"] { width: 100%; }
.phone-preview[data-source-orientation="square"] { width: min(100%,400px); }
.phone-preview video {
    position: absolute; inset: 0; width: 100%; height: 100%;
    display: none; object-fit: contain; background: #080a0f;
}
.phone-preview .renderer-caption-preview {
    z-index: 3; display: none; object-fit: fill; background: transparent; pointer-events: none;
}
.phone-preview.renderer-preview-ready .caption-overlay,
.phone-preview.renderer-preview-ready .karaoke-highlight-overlay { display: none !important; }
.phone-preview.renderer-preview-ready .preview-placeholder {
    color: transparent;
    background: #080a0f;
}
.phone-preview.renderer-preview-ready .preview-placeholder img { display: none; }
.preview-placeholder {
    position: absolute; inset: 0; display: grid; place-content: center; justify-items: center;
    gap: 10px; color: var(--dim);
    background: radial-gradient(circle at 50% 42%,rgba(16,20,239,.14),transparent 40%);
    font-size: .68rem;
}
.preview-placeholder img { width: 34px; height: 34px; opacity: .52; }
.karaoke-highlight-overlay {
    position: absolute; z-index: 1; display: none; pointer-events: none;
    background: #0b50d9; box-shadow: 0 5px 14px rgba(11,80,217,.28);
    opacity: 0; transform: translate3d(0,0,0);
    transition: left .14s cubic-bezier(.22,.8,.28,1), top .14s cubic-bezier(.22,.8,.28,1), width .14s cubic-bezier(.22,.8,.28,1), height .14s cubic-bezier(.22,.8,.28,1), opacity .1s ease;
}
.karaoke-highlight-overlay.is-visible { display: block; opacity: 1; }
.caption-overlay {
    position: absolute; z-index: 2; left: 2%; bottom: 50%; width: 96%;
    display: block; color: #fff; font-weight: 800; text-align: center; pointer-events: none;
}
.caption-overlay *, .caption-overlay .caption-preview-line {
    font-family: inherit; font-weight: inherit; font-style: inherit;
}
.caption-overlay .caption-preview-line { white-space: nowrap; }
.caption-overlay .caption-karaoke-line { position: relative; display: inline-block; white-space: nowrap; }
.caption-overlay .caption-karaoke-pill { display: block; box-sizing: border-box; opacity: 1; }
.caption-overlay .preview-word { position: relative; z-index: 2; display: inline-block; white-space: pre; }
.caption-overlay .preview-word.active { filter: none; }
.hook-overlay {
    position: absolute; z-index: 4; left: 50%; bottom: 11%; width: 82%;
    padding: 10px 12px; display: none; border-radius: 7px;
    color: #fff; background: rgba(20,20,20,.82);
    font: 700 12px/1.18 "Europa Grotesk SH", sans-serif;
    text-align: center; transform: translateX(-50%); pointer-events: none;
}
.preview-controls {
    width: min(100%,400px); margin-top: 12px;
    display: grid; grid-template-columns: auto minmax(0,1fr) auto;
    align-items: center; gap: 9px;
}
.preview-controls button {
    width: 32px; height: 32px; display: grid; place-items: center;
    border: 1px solid var(--border-strong); border-radius: 50%;
    color: var(--caption-blue-light); background: var(--panel-raised);
}
.preview-controls svg { width: 14px; fill: currentColor; stroke: currentColor; }
.preview-controls span {
    min-width: 38px; color: var(--dim); font: 500 .59rem/1 "JetBrains Mono", monospace;
}
.render-footer { width: min(100%,400px); margin-top: 11px; display: grid; gap: 8px; }
.render-footer > div { text-align: center; }
.render-footer strong { color: #cdd4df; font-size: .69rem; font-weight: 600; }
.render-button, .btn-primary {
    min-height: 44px; padding: 0 16px; border: 0; border-radius: 10px;
    color: #fff; background: var(--caption-blue);
    box-shadow: 0 10px 24px rgba(16,20,239,.19);
    font-size: .79rem; font-weight: 800;
}
.render-button:hover:not(:disabled), .btn-primary:hover:not(:disabled) { background: var(--caption-blue-hover); }

.render-progress, .render-result {
    padding: 20px; border: 1px solid var(--border); border-radius: 14px;
    background: rgba(17,21,30,.94);
}
.render-progress > div:first-child {
    display: flex; justify-content: space-between; color: #c8ced8; font-size: .78rem;
}
.render-progress > div:first-child span {
    color: var(--caption-blue-light); font: 600 .69rem/1 "JetBrains Mono", monospace;
}
.progress-track {
    height: 7px; margin-top: 11px; overflow: hidden; border-radius: 99px; background: #242a36;
}
.progress-track span {
    display: block; width: 0; height: 100%; border-radius: inherit;
    background: linear-gradient(90deg,var(--caption-blue),var(--cyan)); transition: width .3s ease;
}
.render-progress p { margin: 10px 0 0; color: #ff929d; font-size: .72rem; }
.render-result {
    display: grid; grid-template-columns: minmax(0,1fr) 190px;
    gap: 24px; align-items: center;
    border-color: rgba(39,197,139,.2); background: rgba(39,197,139,.045);
}
.render-result[hidden] { display: none; }
.render-result h2 { margin: 0; font-size: 1.25rem; letter-spacing: -.03em; }
.render-result p:not(.step-label) { color: var(--muted); }
.render-result video { width: 100%; aspect-ratio: 9 / 16; border-radius: 10px; background: #000; }
.result-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 10px; }
.result-actions a {
    min-height: 36px; padding: 0 12px; display: inline-flex; align-items: center;
    border-radius: 8px; color: #fff; background: var(--caption-blue);
    font-size: .72rem; font-weight: 700; text-decoration: none;
}

.history-section { padding: 20px; }
.history-head { display: flex; align-items: end; justify-content: space-between; gap: 16px; }
.history-head h2 { margin: 0; color: #f0f3f7; font-size: 1.35rem; letter-spacing: -.035em; }
.history-subtitle { max-width: 620px; margin: 5px 0 0; color: var(--muted); font-size: .74rem; }
.history-head button {
    min-height: 36px; padding: 0 12px; border: 1px solid var(--border-strong);
    border-radius: 8px; color: #b6beca; background: rgba(255,255,255,.035); font-size: .7rem;
}
.history-grid {
    margin-top: 16px; display: grid;
    grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 12px;
}
.history-card {
    min-height: 148px; padding: 13px; display: grid;
    grid-template-columns: 82px minmax(0,1fr); gap: 13px;
    border: 1px solid var(--border); border-radius: 12px; background: rgba(255,255,255,.02);
}
.history-thumb {
    position: relative; width: 82px; min-height: 120px; overflow: hidden;
    display: grid; place-items: center; border: 1px solid var(--border); border-radius: 8px;
    color: var(--caption-blue-light); background: linear-gradient(145deg,#252d3e,#161823 60%,#1e2a42);
    font-weight: 800;
}
.history-thumb img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.history-thumb[data-source-orientation] { min-height: 0; height: auto; align-self: start; }
.history-card > div:last-child { min-width: 0; display: flex; flex-direction: column; }
.history-card h3 {
    margin: 0; overflow: hidden; font-size: .88rem; text-overflow: ellipsis; white-space: nowrap;
}
.history-meta { margin-top: 5px; color: var(--dim); font: 500 .58rem/1.3 "JetBrains Mono", monospace; }
.history-actions { margin-top: auto; display: flex; flex-wrap: wrap; gap: 6px; }
.history-action {
    min-height: 32px; padding: 0 9px; display: inline-flex;
    align-items: center; justify-content: center;
    border: 1px solid var(--border-strong); border-radius: 7px;
    color: #dbe0e8; background: rgba(255,255,255,.035);
    font-size: .64rem; font-weight: 700; line-height: 1; text-decoration: none;
}
.history-action:hover, .history-action:focus-visible { color: #fff; background: rgba(255,255,255,.08); }
.history-action.primary { border-color: transparent; color: #fff; background: var(--caption-blue); }
.history-action.danger { color: #ffafb5; border-color: rgba(243,107,118,.22); }
.empty-history {
    grid-column: 1 / -1; margin: 0; padding: 28px;
    border: 1px dashed var(--border-strong); border-radius: 10px;
    color: var(--dim); font-size: .72rem; text-align: center;
}

.app-footer {
    width: min(1440px,calc(100% - 48px)); margin: 0 auto; padding: 20px 0 30px;
    display: flex; justify-content: space-between; gap: 14px;
    color: var(--dim); font: 500 .65rem/1 "JetBrains Mono", monospace;
}
.app-footer nav { display: flex; gap: 15px; }
.app-footer a { color: var(--muted); text-decoration: none; }
.app-footer a:hover { color: #fff; }

@media (min-width: 981px) {
    .caption-preview-panel { position: sticky; top: 88px; align-self: start; }
}
@media (max-width: 1180px) {
    body.captions-page-v4 main.main-container { width: min(1120px,calc(100% - 36px)); }
    .caption-source-bar {
        grid-template-columns: minmax(180px,220px) minmax(220px,280px) minmax(280px,1fr);
    }
    .caption-workspace-grid {
        grid-template-columns: minmax(0,1fr) minmax(340px,.72fr);
        grid-template-areas: "style preview" "layout preview";
    }
    .preset-grid { grid-template-columns: repeat(auto-fit,minmax(125px,1fr)); }
    .preview-panel { min-height: 0; }
}
@media (max-width: 980px) {
    body.captions-page-v4 main.main-container { width: min(760px,calc(100% - 32px)); }
    .caption-page-intro { grid-template-columns: 1fr; gap: 9px; }
    .caption-page-intro > p { max-width: 660px; }
    .caption-source-bar { grid-template-columns: 1fr; gap: 12px; }
    .source-drop { min-height: 68px; }
    .caption-workspace-grid {
        grid-template-columns: 1fr;
        grid-template-areas: "preview" "style" "layout";
    }
    .caption-preview-panel { position: static; }
    .preview-panel { min-height: 0; }
    .phone-preview { width: min(100%,360px); }
}
@media (max-width: 620px) {
    body.captions-page-v4 main.main-container {
        width: calc(100% - 24px); margin-top: 14px; padding-bottom: 28px;
    }
    .caption-page-intro { padding-inline: 2px; }
    .caption-page-intro h1 { font-size: 1.65rem; }
    .caption-source-bar.source-intake-shell .source-intake-dropzone {
        min-height: 184px;
        padding: 32px 20px;
    }
    .caption-source-bar.source-intake-shell .source-intake-icon {
        margin-bottom: 10px;
    }
    .caption-source-bar, .controls-panel, .settings-panel, .preview-panel, .history-section { padding: 15px; }
    .source-row { grid-template-columns: 1fr; gap: 7px; }
    .source-row input, .source-row button { border-radius: 9px; }
    .caption-layout-grid { grid-template-columns: 1fr; }
    .caption-size-control { grid-column: auto; }
    .preset-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
    .render-result { grid-template-columns: 1fr; }
    .render-result video { max-width: 190px; }
    .history-head { align-items: flex-start; }
    .history-card { grid-template-columns: 70px minmax(0,1fr); }
    .history-thumb { width: 70px; min-height: 104px; }
    .app-footer { width: calc(100% - 24px); flex-direction: column; }
}

/* Focused transcript correction overlay. */
.caption-transcript-modal {
    position: fixed; z-index: 100; inset: 0; padding: 20px;
    display: grid; place-items: center;
    background: rgba(2,4,9,.82); backdrop-filter: blur(12px);
}
.caption-transcript-modal[hidden] { display: none; }
.caption-transcript-dialog {
    width: min(780px,100%); max-height: min(780px,calc(100dvh - 40px)); overflow: hidden;
    display: grid; grid-template-rows: auto auto auto minmax(0,1fr) auto;
    border: 1px solid var(--border-strong); border-radius: 16px;
    background: #0b0e15; box-shadow: 0 30px 100px rgba(0,0,0,.58);
}
.caption-transcript-head {
    padding: 20px 24px 16px; display: flex; justify-content: space-between; gap: 16px;
    border-bottom: 1px solid var(--border);
}
.caption-transcript-head h2 {
    margin: 0; color: #f1f4f7; font-size: clamp(1.3rem,2vw,1.7rem);
    line-height: 1.1; letter-spacing: -.04em;
}
.caption-transcript-head p:not(.step-label) {
    max-width: 610px; margin: 8px 0 0; color: var(--muted); font-size: .76rem; line-height: 1.45;
}
.caption-transcript-close {
    width: 34px; height: 34px; flex: 0 0 auto;
    border: 1px solid var(--border-strong); border-radius: 50%;
    color: #cbd2dd; background: rgba(255,255,255,.04); font-size: 1.25rem; line-height: 1;
}
.caption-transcript-close:hover, .caption-transcript-close:focus-visible {
    color: #fff; background: rgba(255,255,255,.1);
}
.caption-transcript-toolbar {
    padding: 12px 24px; display: grid; gap: 8px;
    border-bottom: 1px solid var(--border); background: rgba(255,255,255,.018);
}
.caption-transcript-find-row {
    min-width: 0; display: grid; grid-template-columns: minmax(0,1fr) auto auto auto;
    gap: 7px; align-items: center;
}
.caption-transcript-find-row:nth-child(2) {
    grid-template-columns: minmax(0,1fr) auto auto auto minmax(92px,auto);
}
.caption-transcript-find-row input {
    min-width: 0; min-height: 34px; padding: 0 11px;
    border: 1px solid var(--border-strong); border-radius: 8px; outline: none;
    color: #f1f4f7; background: rgba(255,255,255,.045); font-size: .74rem;
}
.caption-transcript-find-row input:focus {
    border-color: var(--caption-blue-light); box-shadow: 0 0 0 3px rgba(16,20,239,.18);
}
.caption-transcript-tool {
    min-height: 34px; padding: 0 11px;
    border: 1px solid var(--border-strong); border-radius: 8px;
    color: #cbd2dd; background: rgba(255,255,255,.045);
    font-size: .67rem; font-weight: 700; white-space: nowrap;
}
.caption-transcript-tool:hover, .caption-transcript-tool:focus-visible {
    color: #fff; background: rgba(255,255,255,.1);
}
.caption-transcript-count {
    min-width: 60px; color: #7f8a9b;
    font: 600 .62rem/1 "JetBrains Mono", monospace; text-align: right; white-space: nowrap;
}
.caption-transcript-status {
    min-height: 1.1rem; margin: 11px 24px 0;
    color: #72dcb5; font-size: .7rem; font-weight: 600; line-height: 1.35;
}
.caption-transcript-status.error { color: #ff9ba4; }
.caption-transcript-cards {
    min-height: 0; margin: 2px 24px 0; padding: 3px 3px 14px; overflow: auto;
    display: grid; align-content: start; gap: 7px;
    scrollbar-width: thin; scrollbar-color: rgba(16,20,239,.55) transparent;
}
.caption-transcript-card {
    min-width: 0; padding: 9px 10px;
    display: grid; grid-template-columns: 82px minmax(0,1fr); gap: 10px; align-items: start;
    border: 1px solid var(--border); border-radius: 9px; background: rgba(255,255,255,.025);
}
.caption-transcript-card:focus-within {
    border-color: rgba(76,76,255,.65); background: rgba(76,76,255,.06);
}
.caption-transcript-time {
    border: 0; padding: 7px 0 0; color: #7f8a9b; background: transparent;
    font: 600 .62rem/1.2 "JetBrains Mono", monospace; text-align: left;
}
.caption-transcript-time:hover, .caption-transcript-time:focus-visible {
    color: var(--caption-blue-light); text-decoration: underline;
}
.caption-transcript-card-text {
    width: 100%; min-height: 40px; resize: vertical; padding: 9px 10px;
    border: 1px solid transparent; border-radius: 7px; outline: none;
    color: #f1f4f7; background: rgba(255,255,255,.035);
    font-size: .81rem; font-weight: 600; line-height: 1.35;
}
.caption-transcript-card-text:focus {
    border-color: rgba(76,76,255,.52); background: rgba(255,255,255,.06);
}
.caption-transcript-empty {
    padding: 19px; border: 1px dashed var(--border-strong); border-radius: 9px;
    color: #7f8a9b; font-size: .78rem; line-height: 1.4; text-align: center;
}
.caption-transcript-foot {
    padding: 14px 24px 18px; display: flex; justify-content: flex-end; gap: 9px;
    border-top: 1px solid var(--border); background: rgba(255,255,255,.018);
}
.caption-transcript-foot .btn-primary { min-height: 40px; }
.visually-hidden, .sr-only {
    position: absolute !important; width: 1px !important; height: 1px !important;
    padding: 0 !important; margin: -1px !important; overflow: hidden !important;
    clip: rect(0,0,0,0) !important; white-space: nowrap !important; border: 0 !important;
}
@media (max-width: 620px) {
    .caption-transcript-modal { padding: 11px; }
    .caption-transcript-dialog { max-height: calc(100dvh - 22px); }
    .caption-transcript-head, .caption-transcript-toolbar, .caption-transcript-foot { padding-inline: 16px; }
    .caption-transcript-status { margin-inline: 16px; }
    .caption-transcript-cards { margin-inline: 13px; }
    .caption-transcript-find-row,
    .caption-transcript-find-row:nth-child(2) { grid-template-columns: minmax(0,1fr) auto auto; }
    .caption-transcript-find-row:nth-child(2) { grid-template-columns: minmax(0,1fr) auto; }
    .caption-transcript-card { grid-template-columns: 1fr; gap: 5px; }
    .caption-transcript-time { padding-top: 0; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: .01ms !important;
        transition-duration: .01ms !important;
        scroll-behavior: auto !important;
    }
}