/* Seedance Chat — gold-on-dark, machine-aesthetic mirror of Quantum Chat */

/* ── Frame picker (continue-from-frame on completed videos) ─────── */
.sc-frame-pick {
    margin-top: 10px;
    padding: 10px 12px;
    border: 1px solid #2a2a2a;
    border-radius: 6px;
    background: #0e0e10;
}
.sc-frame-pick-title {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: #FFD700;
    margin-bottom: 8px;
}
.sc-frame-pick-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 6px;
}
.sc-frame-pick-scrub {
    flex: 1;
    accent-color: #FFD700;
}
.sc-frame-pick-time {
    font-family: ui-monospace, Menlo, monospace;
    color: #9a9a9a;
    font-size: 12px;
    min-width: 96px;
    text-align: right;
}
.sc-frame-pick-capture {
    white-space: nowrap;
}
.sc-frame-pick-result {
    display: flex;
    gap: 12px;
    margin-top: 10px;
    padding: 10px;
    background: #000;
    border: 1px dashed #2a2a2a;
    border-radius: 6px;
    align-items: flex-start;
}
.sc-frame-pick-result img {
    width: 140px;
    height: auto;
    border: 1px solid #444;
    flex: 0 0 auto;
}
.sc-frame-pick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    flex: 1;
}
.sc-frame-pick-meta {
    color: #9a9a9a;
    font-size: 11px;
    width: 100%;
    margin-top: 4px;
}
.sc-frame-pick-error {
    color: #ff5757;
    font-size: 12px;
    margin-top: 6px;
}

:root {
    --sc-gold: #FFD700;
    --sc-gold-dim: #b89400;
    --sc-bg: #0a0a0a;
    --sc-panel: #131313;
    --sc-panel-2: #1a1a1a;
    --sc-border: #2a2a2a;
    --sc-text: #f0f0f0;
    --sc-text-dim: #9a9a9a;
    --sc-danger: #ff5757;
    --sc-success: #4ade80;
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    background: var(--sc-bg);
    color: var(--sc-text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    height: 100%;
}

.sc-body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.sc-main {
    display: grid;
    grid-template-columns: 260px 1fr;
    gap: 0;
    flex: 1;
    min-height: calc(100vh - 80px);
    background: var(--sc-bg);
}

/* ── Threads rail ───────────────────────────────────────────────────── */

.sc-rail {
    background: var(--sc-panel);
    border-right: 1px solid var(--sc-border);
    display: flex;
    flex-direction: column;
    padding: 16px 12px;
    gap: 12px;
}

.sc-rail-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
}

.sc-rail-header h3 {
    margin: 0;
    color: var(--sc-gold);
    font-size: 14px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.sc-rail-cap {
    font-size: 12px;
    color: var(--sc-text-dim);
    font-variant-numeric: tabular-nums;
}

.sc-new-btn { width: 100%; }

.sc-thread-list {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-right: 4px;
}

.sc-thread-empty {
    color: var(--sc-text-dim);
    font-size: 13px;
    padding: 24px 8px;
    text-align: center;
}

.sc-thread {
    padding: 10px 12px;
    background: var(--sc-panel-2);
    border: 1px solid var(--sc-border);
    border-radius: 4px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
}

.sc-thread:hover { border-color: var(--sc-gold-dim); }

.sc-thread.sc-thread-active {
    border-color: var(--sc-gold);
    background: rgba(255, 215, 0, 0.05);
}

.sc-thread-title {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
}

.sc-thread-del {
    background: none;
    border: none;
    color: var(--sc-text-dim);
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    padding: 2px 6px;
    border-radius: 3px;
}

.sc-thread-del:hover { color: var(--sc-danger); background: rgba(255, 87, 87, 0.1); }

.sc-rail-foot {
    border-top: 1px solid var(--sc-border);
    padding-top: 12px;
    text-align: center;
}

.sc-rail-link {
    color: var(--sc-gold);
    text-decoration: none;
    font-size: 13px;
}

.sc-rail-link:hover { text-decoration: underline; }

/* ── Chat pane ──────────────────────────────────────────────────────── */

.sc-pane {
    display: flex;
    flex-direction: column;
    min-height: 0;
}

.sc-topbar {
    padding: 16px 24px;
    border-bottom: 1px solid var(--sc-border);
    display: flex;
    align-items: baseline;
    gap: 12px;
    background: var(--sc-panel);
}

.sc-topbar h1 {
    margin: 0;
    color: var(--sc-gold);
    font-size: 18px;
    letter-spacing: 0.5px;
}

.sc-subtitle {
    color: var(--sc-text-dim);
    font-size: 12px;
    flex: 1;
}

.sc-credit-pill {
    padding: 4px 10px;
    border: 1px solid var(--sc-gold-dim);
    border-radius: 12px;
    color: var(--sc-gold);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
}

.sc-messages {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.sc-welcome {
    background: var(--sc-panel);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    padding: 20px;
}

.sc-welcome h2 {
    margin: 0 0 8px;
    color: var(--sc-gold);
    font-size: 18px;
}

.sc-welcome p { margin: 8px 0; color: var(--sc-text-dim); font-size: 14px; line-height: 1.5; }

.sc-welcome-meta {
    font-size: 12px !important;
    color: var(--sc-gold-dim) !important;
    margin-top: 12px !important;
}

.sc-thread-chooser {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin: 16px 0;
}

.sc-thread-choose-btn {
    text-align: left;
    padding: 12px 14px;
    background: var(--sc-bg);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    color: var(--sc-text);
    font-size: 14px;
    cursor: pointer;
    transition: border-color 0.15s, background 0.15s;
}

.sc-thread-choose-btn:hover {
    border-color: var(--sc-gold);
    background: var(--sc-panel);
}

.sc-thread-choose-new {
    padding: 10px 14px;
    background: var(--sc-gold);
    border: none;
    border-radius: 6px;
    color: #000;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
}

.sc-thread-choose-new:hover { filter: brightness(1.08); }

.sc-msg {
    display: flex;
    flex-direction: column;
    max-width: 720px;
}

.sc-msg-user { align-self: flex-end; align-items: flex-end; }
.sc-msg-assistant { align-self: flex-start; align-items: flex-start; }

.sc-msg-bubble {
    padding: 12px 14px;
    border-radius: 6px;
    background: var(--sc-panel);
    border: 1px solid var(--sc-border);
    font-size: 14px;
    line-height: 1.5;
    max-width: 100%;
}

.sc-msg-user .sc-msg-bubble {
    background: rgba(255, 215, 0, 0.06);
    border-color: var(--sc-gold-dim);
}

.sc-msg-meta {
    color: var(--sc-text-dim);
    font-size: 11px;
    margin-top: 4px;
    letter-spacing: 0.5px;
}

.sc-msg-inputs {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.sc-msg-input-thumb {
    width: 72px;
    height: 72px;
    object-fit: cover;
    border: 1px solid var(--sc-border);
    border-radius: 4px;
}

.sc-msg-input-thumb-label {
    display: block;
    text-align: center;
    font-size: 10px;
    color: var(--sc-text-dim);
    margin-top: 2px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.sc-msg-input-tag {
    display: inline-flex;
    align-items: center;
    padding: 3px 8px;
    background: var(--sc-panel-2);
    border: 1px solid var(--sc-border);
    border-radius: 3px;
    font-size: 11px;
    color: var(--sc-text-dim);
    margin-right: 6px;
}

.sc-msg-status {
    padding: 12px;
    background: var(--sc-panel-2);
    border-left: 3px solid var(--sc-gold);
    border-radius: 3px;
    font-size: 13px;
    color: var(--sc-text-dim);
    display: flex;
    align-items: center;
    gap: 10px;
}

.sc-msg-status-running { border-left-color: var(--sc-gold); }
.sc-msg-status-failed { border-left-color: var(--sc-danger); color: var(--sc-danger); }
.sc-msg-status-completed { border-left-color: var(--sc-success); }

.sc-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid var(--sc-border);
    border-top-color: var(--sc-gold);
    border-radius: 50%;
    animation: sc-spin 0.8s linear infinite;
    flex-shrink: 0;
}

@keyframes sc-spin { to { transform: rotate(360deg); } }

.sc-msg-video {
    width: 100%;
    max-width: 640px;
    max-height: 50vh;
    border-radius: 6px;
    background: #000;
    display: block;
}

/* When this message's frame-pick panel is open, pin the video to the top
   of the scrollable chat area so the user can see the frame they're
   scrubbing to. Falls back gracefully in browsers without :has(). */
.sc-msg-assistant:has(.sc-frame-pick:not([hidden])) .sc-msg-bubble {
    position: sticky;
    top: 0;
    z-index: 5;
    background: #000;
}

/* ── Export sequence modal ─────────────────────────────────────── */
.sc-export-btn { margin-left: auto; }

.sc-export-modal {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
}
/* `display: flex` above out-specifies the UA `[hidden] { display:none }`,
   so setting els.exportModal.hidden=true leaves the backdrop covering the
   page like a stuck overlay. Force hidden to actually hide. */
.sc-export-modal[hidden] { display: none; }
.sc-export-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
}
.sc-export-dialog {
    position: relative;
    z-index: 1;
    width: min(960px, 92vw);
    max-height: 88vh;
    overflow: auto;
    background: var(--sc-panel, #111);
    border: 1px solid var(--sc-gold-dim, #b08a00);
    border-radius: 8px;
    color: var(--sc-text, #eee);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}
.sc-export-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--sc-border, #333);
}
.sc-export-head h2 { margin: 0; font-size: 18px; color: var(--sc-gold, #FFD700); }
.sc-export-x {
    background: none;
    border: none;
    color: var(--sc-text, #eee);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
}
.sc-export-body { padding: 16px 18px 18px; }
.sc-export-help { margin: 0 0 12px; font-size: 13px; color: var(--sc-text-dim, #aaa); }
.sc-export-help em { color: var(--sc-text, #ddd); font-style: normal; }

.sc-export-clips {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 280px;
    overflow: auto;
    padding: 8px;
    border: 1px solid var(--sc-border, #333);
    border-radius: 6px;
    background: rgba(0, 0, 0, 0.3);
    margin-bottom: 12px;
}
.sc-export-clip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 4px;
}
.sc-export-clip:hover { background: rgba(255, 215, 0, 0.05); }
.sc-export-clip input[type="checkbox"] { margin: 0; }
.sc-export-clip-label { flex: 1; font-size: 13px; }
.sc-export-clip-meta { color: var(--sc-text-dim, #999); font-size: 11px; }

.sc-export-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}
.sc-export-status { font-size: 12px; color: var(--sc-text-dim, #aaa); }
.sc-export-status.sc-export-status-error { color: #ff6b6b; }

.sc-export-results {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}
/* `display: grid` above wins the cascade over the UA `[hidden] { display:none }`,
   so the two empty result panes leak through before the user clicks Render.
   Re-assert hidden explicitly. */
.sc-export-results[hidden] { display: none; }
@media (max-width: 720px) {
    .sc-export-results { grid-template-columns: 1fr; }
}
.sc-export-result {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    background: #000;
    border: 1px solid var(--sc-border, #333);
    border-radius: 6px;
}
.sc-export-result-title {
    font-size: 12px;
    color: var(--sc-gold, #FFD700);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.sc-export-result-video {
    width: 100%;
    max-height: 50vh;
    background: #000;
    border-radius: 4px;
    display: block;
}
.sc-export-result-dl { align-self: flex-start; }

.sc-msg-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.sc-msg-actions .sc-saved {
    color: var(--sc-success);
    font-size: 12px;
    align-self: center;
}

/* ── Composer ───────────────────────────────────────────────────────── */

.sc-composer {
    border-top: 1px solid var(--sc-border);
    background: var(--sc-panel);
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* `display: flex` above out-specifies the UA `[hidden] { display:none }`,
   so re-assert it for when the wizard hides the chat + composer. */
.sc-messages[hidden],
.sc-composer[hidden] { display: none; }

.sc-frames-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.sc-frame-slot {
    display: flex;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
}

.sc-frame-label {
    color: var(--sc-text-dim);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.sc-required { color: var(--sc-gold); }
.sc-optional { color: var(--sc-text-dim); }

.sc-frame-drop {
    height: 110px;
    border: 2px dashed var(--sc-border);
    border-radius: 4px;
    background: var(--sc-panel-2);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: border-color 0.15s;
}

.sc-frame-drop:hover { border-color: var(--sc-gold-dim); }
.sc-frame-drop.sc-frame-dragover { border-color: var(--sc-gold); background: rgba(255, 215, 0, 0.05); }
.sc-frame-drop.sc-frame-has-image { border-style: solid; border-color: var(--sc-gold-dim); }

.sc-frame-empty { color: var(--sc-text-dim); font-size: 12px; }

.sc-frame-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sc-frame-clear {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: none;
    background: rgba(0, 0, 0, 0.7);
    color: #fff;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
}

.sc-controls-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 16px;
    align-items: center;
}

.sc-ctl-label {
    color: var(--sc-text-dim);
    font-size: 11px;
    letter-spacing: 1px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 4px;
}

.sc-ctl-duration label {
    color: var(--sc-text-dim);
    font-size: 12px;
    display: block;
    margin-bottom: 4px;
}

.sc-ctl-duration label span { color: var(--sc-gold); font-variant-numeric: tabular-nums; font-weight: 600; }

.sc-ctl-duration input[type="range"] {
    width: 100%;
    accent-color: var(--sc-gold);
}

.sc-ctl-cost { color: var(--sc-gold-dim); font-size: 11px; }

.sc-ar-buttons { display: flex; gap: 4px; }

.sc-ar-btn {
    padding: 8px 10px;
    background: var(--sc-panel-2);
    border: 1px solid var(--sc-border);
    color: var(--sc-text-dim);
    cursor: pointer;
    font-size: 12px;
    border-radius: 3px;
    transition: all 0.15s;
}

.sc-ar-btn:hover { border-color: var(--sc-gold-dim); color: var(--sc-text); }

.sc-ar-active {
    background: var(--sc-gold);
    color: #000;
    border-color: var(--sc-gold);
}

.sc-toggle {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
    gap: 8px;
    user-select: none;
}

.sc-toggle input { display: none; }

.sc-toggle-track {
    width: 36px;
    height: 20px;
    background: var(--sc-panel-2);
    border: 1px solid var(--sc-border);
    border-radius: 10px;
    position: relative;
    transition: background 0.15s;
}

.sc-toggle-thumb {
    position: absolute;
    width: 14px;
    height: 14px;
    background: var(--sc-text-dim);
    border-radius: 50%;
    top: 2px;
    left: 2px;
    transition: all 0.15s;
}

.sc-toggle input:checked + .sc-toggle-track {
    background: rgba(255, 215, 0, 0.2);
    border-color: var(--sc-gold);
}

.sc-toggle input:checked + .sc-toggle-track .sc-toggle-thumb {
    left: 18px;
    background: var(--sc-gold);
}

.sc-toggle-text { font-size: 13px; color: var(--sc-text); }

.sc-prompt-row {
    display: flex;
    gap: 12px;
    align-items: stretch;
}

.sc-prompt {
    flex: 1;
    background: var(--sc-panel-2);
    border: 1px solid var(--sc-border);
    color: var(--sc-text);
    padding: 10px 12px;
    border-radius: 4px;
    font-family: inherit;
    font-size: 13px;
    resize: vertical;
    min-height: 44px;
}

.sc-prompt:focus { outline: none; border-color: var(--sc-gold); }

.sc-btn {
    background: var(--sc-panel-2);
    color: var(--sc-text);
    border: 1px solid var(--sc-border);
    padding: 10px 16px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
    transition: all 0.15s;
}

.sc-btn:hover { border-color: var(--sc-gold-dim); }

.sc-btn-primary {
    background: var(--sc-gold);
    color: #000;
    border-color: var(--sc-gold);
    font-weight: 600;
}

.sc-btn-primary:hover { background: #ffea4a; }

.sc-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.sc-send-btn { min-width: 120px; }

.sc-composer-status {
    font-size: 12px;
    min-height: 16px;
    color: var(--sc-text-dim);
}

.sc-composer-status.sc-error { color: var(--sc-danger); }
.sc-composer-status.sc-success { color: var(--sc-success); }

/* ── Mode tabs ─────────────────────────────────────────────────────── */

.sc-mode-tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--sc-border);
    margin-bottom: 4px;
}

.sc-mode-tab {
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--sc-text-dim);
    padding: 8px 14px;
    cursor: pointer;
    font-size: 12px;
    font-family: inherit;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: color 0.15s, border-color 0.15s;
}

.sc-mode-tab:hover { color: var(--sc-text); }

.sc-mode-tab.sc-mode-active {
    color: var(--sc-gold);
    border-bottom-color: var(--sc-gold);
}

.sc-mode-pane { display: none; }
.sc-mode-pane.sc-mode-pane-active { display: block; }

/* ── References-mode composer ───────────────────────────────────── */

.sc-ref-help {
    color: var(--sc-text-dim);
    font-size: 12px;
    margin: 0 0 12px;
    line-height: 1.5;
}

.sc-ref-help code {
    background: var(--sc-panel-2);
    color: var(--sc-gold);
    padding: 1px 5px;
    border-radius: 3px;
    font-size: 11px;
}

.sc-ref-section {
    margin-bottom: 14px;
}

.sc-ref-section-head {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 6px;
    color: var(--sc-text-dim);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sc-ref-section-head small {
    text-transform: none;
    letter-spacing: 0;
    font-size: 11px;
    color: var(--sc-text-dim);
    opacity: 0.7;
    margin-left: 6px;
}

.sc-ref-count { color: var(--sc-gold-dim); font-variant-numeric: tabular-nums; }

.sc-ref-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 8px;
    margin-bottom: 8px;
}

.sc-ref-grid-narrow {
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
}

.sc-ref-tile {
    background: var(--sc-panel-2);
    border: 1px solid var(--sc-border);
    border-radius: 4px;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    position: relative;
}

.sc-ref-tile.sc-ref-tile-first-frame {
    border-color: var(--sc-gold);
}

.sc-ref-tile-first-frame-badge {
    position: absolute;
    top: 4px;
    left: 4px;
    background: var(--sc-gold);
    color: #000;
    font-size: 9px;
    padding: 2px 5px;
    border-radius: 2px;
    font-weight: 700;
    letter-spacing: 0.5px;
    z-index: 2;
}

.sc-ref-tile-preview {
    width: 100%;
    height: 80px;
    object-fit: cover;
    background: #000;
    border-radius: 3px;
}

.sc-ref-tile-icon {
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--sc-gold-dim);
    background: #000;
    border-radius: 3px;
    font-size: 22px;
}

.sc-ref-tile-icon-text {
    margin-left: 6px;
    font-size: 11px;
    color: var(--sc-text-dim);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sc-ref-tile audio,
.sc-ref-tile video {
    width: 100%;
    background: #000;
    border-radius: 3px;
}

.sc-ref-tile video { height: 80px; object-fit: cover; }
.sc-ref-tile audio { height: 28px; }

.sc-ref-tile-name {
    background: var(--sc-panel);
    border: 1px solid var(--sc-border);
    color: var(--sc-gold);
    padding: 4px 6px;
    border-radius: 3px;
    font-size: 11px;
    font-family: inherit;
    width: 100%;
}

.sc-ref-tile-name:focus { outline: none; border-color: var(--sc-gold); }
.sc-ref-tile-name.sc-ref-tile-name-error { border-color: var(--sc-danger); }

.sc-ref-tile-meta {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--sc-text-dim);
}

.sc-ref-tile-status {
    font-size: 10px;
    color: var(--sc-gold-dim);
}

.sc-ref-tile-status.sc-ref-tile-status-error { color: var(--sc-danger); }

.sc-ref-tile-remove {
    position: absolute;
    top: 4px;
    right: 4px;
    background: rgba(0,0,0,0.7);
    border: none;
    color: #fff;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    z-index: 2;
}

.sc-ref-add-btn { font-size: 11px; padding: 6px 12px; }
.sc-ref-add-btn:disabled { opacity: 0.4; cursor: not-allowed; }

/* ── @mention popover ──────────────────────────────────────────── */

.sc-prompt-wrap {
    position: relative;
    flex: 1;
    display: flex;
}

.sc-prompt-wrap .sc-prompt { width: 100%; }

.sc-mention-pop {
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 4px;
    background: var(--sc-panel);
    border: 1px solid var(--sc-gold-dim);
    border-radius: 4px;
    max-height: 180px;
    overflow-y: auto;
    z-index: 50;
    min-width: 200px;
    box-shadow: 0 4px 18px rgba(0,0,0,0.5);
}

.sc-mention-item {
    padding: 6px 10px;
    cursor: pointer;
    font-size: 12px;
    color: var(--sc-text);
    display: flex;
    gap: 6px;
    align-items: center;
}

.sc-mention-item:hover,
.sc-mention-item.sc-mention-active {
    background: rgba(255,215,0,0.1);
    color: var(--sc-gold);
}

.sc-mention-kind {
    font-size: 9px;
    color: var(--sc-gold-dim);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: auto;
}

/* ── Responsive ─────────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .sc-main {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }
    .sc-rail {
        max-height: 220px;
        border-right: none;
        border-bottom: 1px solid var(--sc-border);
    }
    .sc-controls-row {
        grid-template-columns: 1fr;
        gap: 12px;
    }
    .sc-frames-row {
        grid-template-columns: 1fr;
    }
    .sc-prompt-row {
        flex-direction: column;
    }
    .sc-send-btn { width: 100%; }
}

/* ── Project setup panel ─────────────────────────────────────────── */
.sc-project { margin: 12px 16px 0; }
.sc-project[hidden] { display: none; }
.sc-project-empty-cta {
  display: block; width: 100%; padding: 10px 14px;
  background: rgba(255,215,0,.06); border: 1px dashed rgba(255,215,0,.35);
  color: #FFD700; font-weight: 600; cursor: pointer; border-radius: 6px;
  font-size: 13px; letter-spacing: .02em;
}
.sc-project-empty-cta:hover { background: rgba(255,215,0,.12); }
.sc-project-summary {
  background: rgba(255,215,0,.05); border: 1px solid rgba(255,215,0,.3);
  border-radius: 6px; padding: 10px 14px;
}
.sc-project-summary[hidden] { display: none; }
.sc-project-summary-line {
  display: flex; align-items: center; gap: 8px; color: #FFD700;
  font-size: 13px; font-weight: 600; margin-bottom: 8px;
}
.sc-project-summary-line span:not(.sc-project-icon) { flex: 1; }
.sc-project-icon { font-size: 14px; }
.sc-project-progress { display: flex; align-items: center; gap: 10px; }
.sc-project-bar {
  flex: 1; height: 8px; background: rgba(255,255,255,.08);
  border-radius: 4px; overflow: hidden;
}
.sc-project-bar-fill {
  height: 100%; background: linear-gradient(90deg, #FFD700, #FFA500);
  width: 0%; transition: width .4s ease;
}
.sc-project-progress-label {
  font-size: 12px; color: rgba(255,255,255,.7);
  font-variant-numeric: tabular-nums; min-width: 90px; text-align: right;
}
.sc-project-form {
  background: rgba(0,0,0,.4); border: 1px solid rgba(255,215,0,.3);
  border-radius: 6px; padding: 16px;
}
.sc-project-form[hidden] { display: none; }
.sc-project-form-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 6px;
}
.sc-project-form-head h3 {
  margin: 0; color: #FFD700; font-size: 15px; font-weight: 700;
}
.sc-project-optional { color: rgba(255,255,255,.5); font-weight: 400; font-size: 12px; }
.sc-project-help {
  margin: 0 0 14px; font-size: 12px; color: rgba(255,255,255,.65);
  line-height: 1.5;
}
.sc-project-row { margin-bottom: 12px; }
.sc-project-label {
  display: block; font-size: 11px; text-transform: uppercase;
  letter-spacing: .08em; color: rgba(255,215,0,.7); margin-bottom: 6px;
}
.sc-project-audio-drop {
  border: 1px dashed rgba(255,215,0,.35); border-radius: 4px;
  padding: 14px; cursor: pointer; text-align: center;
  background: rgba(255,255,255,.02);
}
.sc-project-audio-drop:hover, .sc-project-audio-drop.sc-drag-over {
  background: rgba(255,215,0,.08); border-color: #FFD700;
}
.sc-project-audio-empty { color: rgba(255,255,255,.55); font-size: 13px; }
.sc-project-audio-have {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  font-size: 13px; color: #FFD700;
}
.sc-project-audio-have[hidden] { display: none; }
.sc-project-audio-dur {
  background: rgba(255,215,0,.15); padding: 2px 8px; border-radius: 3px;
  font-variant-numeric: tabular-nums; font-size: 12px;
}
.sc-project-portion { display: flex; gap: 16px; margin-bottom: 8px; }
.sc-project-radio {
  display: flex; align-items: center; gap: 6px; color: #fff;
  font-size: 13px; cursor: pointer;
}
.sc-project-target-wrap input {
  background: rgba(0,0,0,.5); border: 1px solid rgba(255,255,255,.2);
  color: #fff; padding: 6px 8px; border-radius: 4px; font-size: 13px;
  width: 100px; font-variant-numeric: tabular-nums;
}

/* ── Portion picker (dual-handle slider) ──────────────────────────── */
.sc-portion-picker { margin-top: 10px; }
.sc-portion-picker[hidden] { display: none; }
.sc-portion-hint { font-size: 12px; color: rgba(255,255,255,.55); margin-bottom: 12px; }
.sc-portion-slider {
  position: relative; height: 28px; margin: 4px 10px 0;
}
.sc-portion-track {
  position: absolute; top: 50%; left: 0; right: 0; height: 6px;
  transform: translateY(-50%); border-radius: 3px;
  background: rgba(255,255,255,.12);
}
.sc-portion-fill {
  position: absolute; top: 50%; height: 6px; transform: translateY(-50%);
  border-radius: 3px; background: rgba(255,215,0,.55);
}
.sc-portion-playhead {
  position: absolute; top: 50%; width: 2px; height: 16px;
  transform: translate(-50%, -50%); background: #fff;
  border-radius: 1px; pointer-events: none; box-shadow: 0 0 4px rgba(255,255,255,.8);
}
.sc-portion-playhead[hidden] { display: none; }
.sc-portion-slider input[type="range"] {
  position: absolute; top: 0; left: 0; width: 100%; height: 28px;
  margin: 0; background: none; pointer-events: none;
  -webkit-appearance: none; appearance: none;
}
.sc-portion-slider input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none; pointer-events: auto;
  width: 16px; height: 16px; border-radius: 50%;
  background: #FFD700; border: 2px solid #1a1a1a; cursor: pointer;
  box-shadow: 0 1px 4px rgba(0,0,0,.5);
}
.sc-portion-slider input[type="range"]::-moz-range-thumb {
  pointer-events: auto; width: 16px; height: 16px; border-radius: 50%;
  background: #FFD700; border: 2px solid #1a1a1a; cursor: pointer;
}
.sc-portion-slider input[type="range"]::-webkit-slider-runnable-track {
  background: none; border: none;
}
.sc-portion-slider input[type="range"]::-moz-range-track { background: none; }
.sc-portion-readout {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px; margin-top: 12px;
}
.sc-portion-time {
  font-variant-numeric: tabular-nums; font-size: 13px; color: #FFD700;
  background: rgba(255,215,0,.12); padding: 3px 10px; border-radius: 3px;
}
.sc-portion-play {
  background: rgba(255,215,0,.15); border: 1px solid rgba(255,215,0,.4);
  color: #FFD700; padding: 6px 16px; border-radius: 4px; cursor: pointer;
  font-size: 13px; font-weight: 600;
}
.sc-portion-play:hover { background: rgba(255,215,0,.25); border-color: #FFD700; }
.sc-portion-len {
  text-align: center; font-size: 12px; color: rgba(255,255,255,.6);
  margin-top: 8px; font-variant-numeric: tabular-nums;
}
.sc-project-target-wrap {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}
.sc-project-target-hint { font-size: 12px; color: rgba(255,255,255,.55); }
.sc-project-btn-link {
  background: none; border: none; color: #FFD700; cursor: pointer;
  font-size: 12px; padding: 2px 6px; text-decoration: underline;
}
.sc-project-btn-link:hover { color: #fff; }
.sc-project-actions {
  display: flex; align-items: center; gap: 10px; margin-top: 14px;
  flex-wrap: wrap;
}
.sc-project-status { font-size: 12px; color: rgba(255,255,255,.65); }
.sc-project-status.sc-error { color: #ff6b6b; }
.sc-project-status.sc-success { color: #6bff8a; }

/* ── Wizard steps ─────────────────────────────────────────────────── */
.sc-wiz-step {
  background: rgba(0,0,0,.4); border: 1px solid rgba(255,215,0,.3);
  border-radius: 6px; padding: 16px;
}
.sc-wiz-step[hidden] { display: none; }
.sc-wiz-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.sc-wiz-head h3 { margin: 0; color: #FFD700; font-size: 15px; font-weight: 700; }
.sc-wiz-choices {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.sc-wiz-choice {
  display: flex; flex-direction: column; gap: 6px; padding: 18px;
  background: rgba(255,215,0,.04); border: 1px solid rgba(255,215,0,.3);
  border-radius: 6px; color: #fff; cursor: pointer; text-align: left;
  transition: background .15s, border-color .15s;
}
.sc-wiz-choice:hover {
  background: rgba(255,215,0,.12); border-color: #FFD700;
}
.sc-wiz-choice-icon { font-size: 22px; }
.sc-wiz-choice-title { font-size: 14px; font-weight: 700; color: #FFD700; }
.sc-wiz-choice-sub { font-size: 12px; color: rgba(255,255,255,.65); line-height: 1.4; }
.sc-wiz-length-choices {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}
.sc-wiz-length {
  display: flex; flex-direction: column; gap: 4px; padding: 10px;
  background: rgba(255,255,255,.03); border: 1px solid rgba(255,255,255,.15);
  border-radius: 4px; color: #fff; cursor: pointer; text-align: left;
  font-size: 12px;
}
.sc-wiz-length:hover { background: rgba(255,215,0,.08); border-color: rgba(255,215,0,.4); }
.sc-wiz-length.sc-active { background: rgba(255,215,0,.15); border-color: #FFD700; }
.sc-wiz-length strong { color: #FFD700; font-size: 13px; }
.sc-wiz-length span { color: rgba(255,255,255,.6); line-height: 1.3; }
.sc-wiz-length-extra { margin-top: 10px; }
.sc-wiz-length-extra[hidden] { display: none; }
.sc-wiz-length-extra label {
  display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.75);
  font-size: 12px;
}
.sc-wiz-length-extra input, .sc-wiz-num {
  background: rgba(0,0,0,.5); border: 1px solid rgba(255,255,255,.2);
  color: #fff; padding: 6px 8px; border-radius: 4px; font-size: 13px;
  width: 100px; font-variant-numeric: tabular-nums;
}
.sc-wiz-ar { display: flex; gap: 6px; }
.sc-wiz-ar-btn {
  padding: 6px 14px; background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.15); color: #fff;
  border-radius: 4px; cursor: pointer; font-size: 13px;
  font-variant-numeric: tabular-nums;
}
.sc-wiz-ar-btn:hover { background: rgba(255,215,0,.08); border-color: rgba(255,215,0,.4); }
.sc-wiz-ar-btn.sc-active { background: rgba(255,215,0,.18); border-color: #FFD700; color: #FFD700; }
.sc-wiz-other-uploaded {
  display: flex; flex-direction: column; gap: 4px; margin-top: 6px;
  font-size: 12px; color: rgba(255,255,255,.7);
}
.sc-wiz-other-uploaded:empty { display: none; }
@media (max-width: 720px) {
  .sc-wiz-choices, .sc-wiz-length-choices { grid-template-columns: 1fr; }
}

/* ── Story-Driven Intake (Task #893) ───────────────────────────── */
.sc-intake-btn { white-space: nowrap; }
.sc-intake-btn-locked { border-color: var(--sc-gold); color: var(--sc-gold); }

.sc-intake {
    margin: 0 16px 12px;
    padding: 16px;
    background: var(--sc-panel);
    border: 1px solid var(--sc-border);
    border-radius: 8px;
    max-height: 60vh;
    overflow-y: auto;
}
.sc-intake-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.sc-intake-head h2 {
    font-size: 16px;
    color: var(--sc-gold);
    margin: 0;
    letter-spacing: 0.04em;
}
.sc-intake-x {
    background: none;
    border: none;
    color: var(--sc-text-dim);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
}
.sc-intake-x:hover { color: var(--sc-text); }

.sc-intake-sec {
    padding: 12px 0;
    border-top: 1px solid var(--sc-border);
}
.sc-intake-sec h3 {
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--sc-gold-dim);
    margin: 0 0 10px;
}
.sc-intake-empty {
    color: var(--sc-text-dim);
    font-size: 13px;
    font-style: italic;
    padding: 8px 0;
}
.sc-intake-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
    align-items: center;
}

/* Concept chat */
.sc-intake-chatlog {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 200px;
    overflow-y: auto;
    margin-bottom: 10px;
}
.sc-intake-msg {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 13px;
}
.sc-intake-msg-user { background: var(--sc-panel-2); align-self: flex-end; max-width: 85%; }
.sc-intake-msg-asst { background: #11160f; border: 1px solid var(--sc-border); max-width: 90%; }
.sc-intake-msg-role { font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--sc-text-dim); }
.sc-intake-msg-text { color: var(--sc-text); white-space: pre-wrap; }
.sc-intake-chatrow { display: flex; gap: 8px; margin-bottom: 10px; }
.sc-intake-chatinput,
.sc-intake-finput {
    flex: 1;
    width: 100%;
    background: var(--sc-bg);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    color: var(--sc-text);
    padding: 8px 10px;
    font: inherit;
    resize: vertical;
}
.sc-intake-chatinput:focus,
.sc-intake-finput:focus { outline: none; border-color: var(--sc-gold-dim); }
.sc-intake-fields { display: flex; flex-direction: column; gap: 10px; margin-top: 10px; }
.sc-intake-flabel { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--sc-text-dim); }
.sc-intake-target { margin: 4px 0 12px; }
.sc-intake-target-wrap { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.sc-intake-target-wrap .sc-intake-finput { flex: 0 0 110px; width: 110px; }
.sc-intake-target-hint { font-size: 11px; color: var(--sc-text-dim); }

/* Entities */
.sc-ent-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 12px;
}
.sc-ent-card {
    background: var(--sc-panel-2);
    border: 1px solid var(--sc-border);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.sc-ent-top { display: flex; align-items: center; gap: 8px; }
.sc-ent-type {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 8px;
    border-radius: 999px;
    border: 1px solid var(--sc-border);
    color: var(--sc-text-dim);
}
.sc-ent-type-character { color: var(--sc-gold); }
.sc-ent-saved { font-size: 11px; color: var(--sc-success); }
.sc-ent-del {
    margin-left: auto;
    background: none;
    border: none;
    color: var(--sc-text-dim);
    font-size: 18px;
    cursor: pointer;
}
.sc-ent-del:hover { color: var(--sc-danger); }
.sc-ent-name, .sc-ent-desc, .sc-ent-prompt {
    width: 100%;
    background: var(--sc-bg);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    color: var(--sc-text);
    padding: 6px 8px;
    font: inherit;
    resize: vertical;
}
.sc-ent-name { font-weight: 600; }
.sc-ent-cands { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.sc-ent-cand {
    display: flex;
    flex-direction: column;
    gap: 4px;
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    padding: 6px;
}
.sc-ent-cand-head { font-size: 10px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--sc-text-dim); text-align: center; }
.sc-ent-cand-body { aspect-ratio: 1 / 1; display: flex; align-items: center; justify-content: center; background: var(--sc-bg); border-radius: 4px; overflow: hidden; }
.sc-ent-cand-img { width: 100%; height: 100%; object-fit: cover; }
.sc-ent-cand-empty, .sc-ent-cand-fail { color: var(--sc-text-dim); font-size: 12px; }
.sc-ent-cand-fail { color: var(--sc-danger); }
.sc-ent-pick-btn { width: 100%; font-size: 12px; padding: 4px; }
.sc-ent-picked { border-color: var(--sc-success); color: var(--sc-success); }
.sc-ent-regen { font-size: 10px; padding: 2px 4px; }
.sc-ent-actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.sc-ent-save-wrap { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.sc-ent-save-lbl { font-size: 12px; color: var(--sc-text-dim); }

/* Breakdown */
.sc-seg-totalbar { margin-bottom: 8px; font-size: 13px; }
.sc-seg-total-ok { color: var(--sc-success); }
.sc-seg-total-warn { color: var(--sc-gold); }
.sc-seg-list { display: flex; flex-direction: column; gap: 10px; }
.sc-seg {
    background: var(--sc-panel-2);
    border: 1px solid var(--sc-border);
    border-radius: 8px;
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.sc-seg-head { display: flex; gap: 8px; align-items: center; }
.sc-seg-title {
    flex: 1;
    background: var(--sc-bg);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    color: var(--sc-text);
    padding: 6px 8px;
    font: inherit;
    font-weight: 600;
}
.sc-seg-dur { display: flex; align-items: center; gap: 2px; color: var(--sc-text-dim); font-size: 12px; }
.sc-seg-durnum {
    width: 56px;
    background: var(--sc-bg);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    color: var(--sc-text);
    padding: 6px;
    font: inherit;
    text-align: right;
}
.sc-seg-desc {
    width: 100%;
    background: var(--sc-bg);
    border: 1px solid var(--sc-border);
    border-radius: 6px;
    color: var(--sc-text);
    padding: 6px 8px;
    font: inherit;
    resize: vertical;
}
.sc-seg-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.sc-seg-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--sc-text-dim);
    border: 1px solid var(--sc-border);
    border-radius: 999px;
    padding: 2px 8px;
    cursor: pointer;
}
.sc-seg-tag-on { color: var(--sc-gold); border-color: var(--sc-gold-dim); }
.sc-seg-use { align-self: flex-start; }
.sc-seg-batch { min-height: 0; }
.sc-seg-batch:empty { display: none; }
.sc-seg-batch-badge {
    display: inline-block;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 4px;
    border: 1px solid var(--sc-border);
}
.sc-seg-batch-pending { color: var(--sc-text-dim); }
.sc-seg-batch-gen { color: var(--sc-gold); border-color: var(--sc-gold-dim); }
.sc-seg-batch-done { color: var(--sc-success); border-color: var(--sc-success); }
.sc-seg-batch-failed { color: var(--sc-danger); border-color: var(--sc-danger); }
.sc-seg-batch-skip { color: var(--sc-text-dim); border-style: dashed; }
.sc-intake-locked-note { font-size: 13px; color: var(--sc-text-dim); }
.sc-intake-status { margin-top: 10px; font-size: 13px; min-height: 18px; }
.sc-intake-status.sc-error { color: var(--sc-danger); }
.sc-intake-status.sc-success { color: var(--sc-success); }