/* ═══════════════════════════════════════
   Book Studio — 6-Stage Workflow
   ═══════════════════════════════════════ */

.studio-page {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* Header */
.studio-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    background: var(--bg);
    flex-shrink: 0;
}

.studio-back-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--green);
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    white-space: nowrap;
    transition: opacity 0.15s;
}
.studio-back-btn:hover { opacity: 0.8; }

.studio-title {
    flex: 1;
    font-size: 16px;
    font-weight: 700;
    color: var(--green);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    min-width: 0;
}

.studio-header-actions {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
    flex-shrink: 0;
}

/* Header meta pills */
.studio-meta-pill {
    font-size: 11px;
    padding: 3px 8px;
    border-radius: 6px;
    background: rgba(var(--green-rgb, 0,255,128), 0.06);
    border: 1px solid var(--border);
    color: var(--text-muted, #888);
    white-space: nowrap;
    font-family: 'Share Tech Mono', monospace;
}
.studio-meta-stage {
    color: var(--green);
    border-color: var(--green);
    font-weight: 600;
}
.studio-meta-cost {
    color: var(--amber, var(--amber));
    border-color: rgba(var(--amber-rgb), 0.3);
    background: rgba(var(--amber-rgb), 0.06);
}

/* Body: stepper + content */
.studio-body {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Warnings banner — shown inside .studio-body before .studio-content */
.studio-warnings {
    flex-shrink: 0;
    background: rgba(var(--amber-rgb), 0.06);
    border-bottom: 1px solid rgba(var(--amber-rgb), 0.35);
    font-size: 12px;
    color: var(--text);
    overflow: hidden;
}

.studio-warnings-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    cursor: pointer;
    transition: background 0.15s;
    user-select: none;
}
.studio-warnings-header:hover {
    background: rgba(var(--amber-rgb), 0.08);
}

.studio-warnings-icon { font-size: 14px; flex-shrink: 0; }

.studio-warnings-count {
    flex: 1;
    font-weight: 600;
    color: var(--amber);
}

.studio-warnings-toggle {
    font-size: 11px;
    color: var(--text-muted, #888);
    white-space: nowrap;
}

.studio-warnings-list {
    margin: 0;
    padding: 4px 16px 10px 36px;
    list-style: disc;
    color: var(--text-muted, #888);
    line-height: 1.7;
}

/* Stepper sidebar */
.studio-stepper {
    width: 208px;
    flex-shrink: 0;
    border-right: 1px solid var(--border);
    padding: 16px 8px;
    overflow-y: auto;
    background: var(--bg-secondary, var(--bg));
}

.studio-step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 8px;
    margin-bottom: 4px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.15s;
    font-size: 13px;
    color: var(--text-muted, #888);
}
.studio-step:hover {
    background: rgba(var(--green-rgb, 0,255,128), 0.05);
}

.studio-step.current {
    background: rgba(var(--green-rgb, 0,255,128), 0.1);
    color: var(--green);
    font-weight: 600;
}

.studio-step.done {
    color: var(--green);
    opacity: 0.8;
}

.studio-step-num {
    font-size: 10px;
    width: 16px; height: 16px;
    border-radius: 50%;
    background: var(--line);
    color: var(--muted);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; font-weight: 700;
}
.studio-step.current .studio-step-num {
    background: var(--green);
    color: var(--bg);
}
.studio-step.done .studio-step-num {
    background: rgba(var(--green-rgb),0.2);
    color: var(--green);
}

.studio-step-status {
    font-size: 14px;
    width: 18px;
    text-align: center;
    flex-shrink: 0;
    display: none; /* replaced by step-num */
}

.studio-step-icon {
    font-size: 14px;
    flex-shrink: 0;
}

.studio-step-label {
    overflow: hidden;
    text-overflow: clip;
    white-space: normal;
    line-height: 1.25;
}

/* Content area */
.studio-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    -webkit-overflow-scrolling: touch;
}

/* Stage panels */
.studio-stage-panel {
    max-width: 900px;
    margin: 0 auto;
}

.studio-stage-panel h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 16px;
}

/* Info grid (Source, Analyze) */
.studio-info-grid {
    display: grid;
    gap: 8px;
    margin-bottom: 16px;
}

.studio-info-row {
    display: flex;
    gap: 12px;
    font-size: 13px;
    padding: 6px 0;
    border-bottom: 1px solid var(--border);
}
.studio-info-row span:first-child {
    color: var(--text-muted, #888);
    min-width: 120px;
    flex-shrink: 0;
}
.studio-info-row span:last-child {
    color: var(--text);
    word-break: break-word;
}

.studio-profile-notes {
    font-size: 13px;
    color: var(--text-muted, #888);
    margin: 8px 0;
    padding: 8px 12px;
    background: rgba(var(--green-rgb, 0,255,128), 0.03);
    border-radius: 8px;
    line-height: 1.4;
}
.studio-profile-notes strong {
    color: var(--green);
}

/* Characters section */
.studio-characters { margin-top: 20px; }
.studio-characters h4 { font-size: 14px; color: var(--green); margin-bottom: 12px; }
.studio-chars-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 10px;
}
.studio-char-card {
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 10px; padding: 12px;
    transition: border-color 0.15s;
}
.studio-char-card:hover { border-color: var(--green); }
.studio-char-header {
    display: flex; align-items: center; gap: 6px; margin-bottom: 6px;
}
.studio-char-gender { font-size: 16px; }
.studio-char-name { font-size: 14px; font-weight: 600; color: var(--text); flex: 1; }
.studio-char-role {
    font-size: 10px; padding: 2px 6px; border-radius: 4px;
    background: rgba(var(--green-rgb),0.08); border: 1px solid var(--border);
    color: var(--green); text-transform: uppercase;
}
.studio-char-desc {
    font-size: 12px; color: var(--text-muted, #888); line-height: 1.4;
    margin-bottom: 6px;
}
.studio-char-traits { display: flex; gap: 4px; flex-wrap: wrap; margin-bottom: 6px; }
.studio-char-trait {
    font-size: 10px; padding: 1px 6px; border-radius: 3px;
    background: rgba(100,150,255,0.08); border: 1px solid rgba(100,150,255,0.2);
    color: rgba(130,170,255,0.9);
}
.studio-char-voice {
    font-size: 11px; color: var(--text-muted, #888); font-style: italic;
}

/* ─── Book Analysis (Stage 2) ──────────── */
.studio-analysis {
    margin-top: 24px;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}
.studio-analysis h4 {
    font-size: 14px; color: var(--green); margin-bottom: 14px; font-weight: 600;
}
.studio-analysis-hook {
    font-size: 16px; color: var(--green); font-weight: 600;
    margin-bottom: 12px; line-height: 1.4;
    padding: 10px 14px;
    background: rgba(var(--green-rgb),0.05);
    border-left: 3px solid var(--green);
    border-radius: 0 8px 8px 0;
}
.studio-analysis-summary {
    font-size: 13px; color: var(--text); line-height: 1.6;
    margin-bottom: 14px;
}
.studio-analysis-row {
    display: flex; align-items: flex-start; gap: 10px;
    margin-bottom: 10px; font-size: 13px;
}
.studio-analysis-row--block { flex-direction: column; gap: 6px; }
.studio-analysis-label {
    color: var(--muted); white-space: nowrap; min-width: 120px; flex-shrink: 0;
}
.studio-analysis-value { color: var(--text); }
.studio-analysis-tags {
    display: flex; flex-wrap: wrap; gap: 5px;
}
.studio-analysis-tag {
    font-size: 11px; padding: 2px 8px; border-radius: 10px;
    background: rgba(var(--green-rgb),0.07); border: 1px solid rgba(var(--green-rgb),0.2);
    color: var(--green);
}
.studio-complexity-badge {
    font-size: 11px; font-weight: 600; padding: 2px 10px; border-radius: 10px;
}
.studio-complexity-beginner {
    background: rgba(var(--green-rgb),0.12); border: 1px solid rgba(var(--green-rgb),0.35);
    color: var(--green);
}
.studio-complexity-intermediate {
    background: rgba(var(--amber-rgb),0.12); border: 1px solid rgba(var(--amber-rgb),0.35);
    color: #ffb400;
}
.studio-complexity-advanced {
    background: rgba(var(--red-rgb),0.12); border: 1px solid rgba(var(--red-rgb),0.35);
    color: #ff4040;
}
.studio-analysis-similar {
    margin: 0; padding-left: 18px; color: var(--text);
}
.studio-analysis-similar li { font-size: 12px; margin-bottom: 3px; line-height: 1.4; }

/* Stage actions */
.studio-stage-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.studio-stage-actions--toolbar {
    justify-content: flex-start;
    margin-top: 12px;
}

/* Buttons */
.studio-btn {
    padding: 8px 18px;
    border-radius: 8px;
    border: none;
    font-family: inherit;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s;
}
.studio-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.studio-btn:hover:not(:disabled) {
    opacity: 0.85;
}

.studio-btn.primary {
    background: var(--green);
    color: var(--bg);
}

.studio-btn.secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
}

.studio-btn.ghost {
    background: rgba(255,255,255,0.03);
    border: 1px dashed var(--border);
    color: var(--text);
}

.studio-btn.small {
    padding: 5px 12px;
    font-size: 12px;
}

.studio-live-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}

.studio-live-action-btn {
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.03);
    color: var(--text);
    border-radius: 8px;
    padding: 6px 10px;
    font: inherit;
    font-size: 12px;
    cursor: pointer;
}

.studio-live-action-btn:hover {
    border-color: var(--green);
    color: var(--green);
}

/* Config form */
.studio-config-form {
    display: grid;
    gap: 10px;
    max-width: 400px;
}

.studio-config-form label {
    font-size: 13px;
    color: var(--text-muted, #888);
    font-weight: 600;
}

.studio-select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
}

.studio-checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

/* Translate stage */
.studio-translate-status {
    text-align: center;
    padding: 20px 0;
}

.studio-status-badge {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 12px;
}

.studio-progress-text {
    font-size: 13px;
    color: var(--text-muted, #888);
    margin-top: 8px;
}

.studio-error {
    color: var(--red);
    font-size: 13px;
    padding: 10px 14px;
    background: rgba(var(--red-rgb), 0.08);
    border-radius: 8px;
    margin: 12px 0;
}

/* ── Done Banner + Download Section ── */
.studio-done-banner {
    text-align: center; padding: 20px;
    background: rgba(var(--green-rgb),0.04); border: 1px solid var(--green);
    border-radius: 12px; margin-top: 16px;
}
.studio-done-icon { font-size: 48px; margin-bottom: 8px; }
.studio-done-title { font-size: 18px; font-weight: 700; color: var(--green); margin-bottom: 8px; }
.studio-done-stats {
    font-size: 13px; color: var(--text-muted, #888);
    display: flex; gap: 16px; justify-content: center;
}

.studio-download-section {
    margin-top: 20px; padding: 16px;
    background: var(--bg); border: 1px solid var(--border);
    border-radius: 12px;
}
.studio-download-section h4 { font-size: 14px; color: var(--green); margin-bottom: 12px; }

.studio-download-grid {
    display: flex; gap: 8px; flex-wrap: wrap;
}
.studio-dl-btn {
    padding: 8px 16px; border-radius: 8px;
    background: rgba(var(--green-rgb),0.08); border: 1px solid rgba(var(--green-rgb),0.3);
    color: var(--green); font-family: inherit; font-size: 13px;
    cursor: pointer; transition: all 0.15s;
}
.studio-dl-btn:hover {
    background: rgba(var(--green-rgb),0.15);
    box-shadow: 0 0 10px rgba(var(--green-rgb),0.15);
}

.studio-download-stats {
    display: flex; gap: 16px; font-size: 12px; color: var(--text-muted, #888);
    margin-top: 10px;
}

/* Done page: analysis + characters */
.studio-done-analysis {
    text-align: left; margin-top: 16px; padding: 14px;
    background: var(--bg); border: 1px solid var(--border, var(--line));
    border-radius: 10px;
}
.studio-analysis-hook {
    font-size: 15px; font-weight: 600; color: var(--green);
    border-left: 3px solid var(--green); padding-left: 10px;
    margin-bottom: 10px; line-height: 1.4;
}
.studio-analysis-summary {
    font-size: 13px; color: var(--text); line-height: 1.5; margin-bottom: 10px;
}
.studio-analysis-themes { display: flex; gap: 5px; flex-wrap: wrap; margin-bottom: 8px; }
.studio-theme-tag {
    font-size: 11px; padding: 2px 8px; border-radius: 12px;
    background: rgba(var(--green-rgb),0.06); border: 1px solid var(--line);
    color: var(--muted);
}
.studio-analysis-meta {
    font-size: 12px; color: var(--muted); line-height: 1.6;
}
.studio-done-chars { margin-top: 12px; text-align: left; }
.studio-done-chars h4 { font-size: 13px; color: var(--green); margin-bottom: 8px; }
.studio-done-chars-list { display: flex; gap: 6px; flex-wrap: wrap; }
.studio-done-char {
    font-size: 12px; padding: 3px 10px; border-radius: 8px;
    background: var(--bg); border: 1px solid var(--line);
    color: var(--text);
}

/* ── Live Translation Preview ── */
.studio-translate-live { max-width: 800px; }

.studio-live-stage {
    font-size: 15px; font-weight: 600; color: var(--green);
    margin-bottom: 4px;
    display: flex; align-items: center; gap: 8px;
}

.studio-live-chunks {
    margin-top: 16px;
    max-height: 500px;
    overflow-y: auto;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--bg);
}

.studio-live-chunk {
    padding: 10px 14px;
    border-bottom: 1px solid var(--line);
    transition: background 0.2s;
}
.studio-live-chunk:last-child { border-bottom: none; }

.studio-live-chunk.done { background: rgba(var(--green-rgb),0.03); }
.studio-live-chunk.active {
    background: rgba(var(--green-rgb),0.06);
    animation: studioLivePulse 1.5s ease-in-out infinite;
}
.studio-live-chunk.failed { background: rgba(var(--red-rgb),0.06); }
.studio-live-chunk.pending { opacity: 0.4; }

@keyframes studioLivePulse {
    0%, 100% { background: rgba(var(--green-rgb),0.06); }
    50% { background: rgba(var(--green-rgb),0.12); }
}

.studio-live-head {
    display: flex; align-items: center; gap: 8px;
    margin-bottom: 4px;
}

.studio-live-icon { font-size: 14px; flex-shrink: 0; }
.studio-live-idx { font-size: 11px; color: var(--muted); font-weight: 600; }

.studio-live-chapter {
    font-size: 11px; color: var(--green); font-weight: 600;
    padding: 1px 6px; background: rgba(var(--green-rgb),0.08);
    border-radius: 4px; border: 1px solid var(--line);
}

.studio-live-text {
    font-size: 12px; color: var(--text); line-height: 1.5;
    cursor: pointer;
}
.studio-live-text.collapsed {
    /* clickable hint */
}
.studio-live-short { white-space: pre-wrap; }
.studio-live-full { white-space: pre-wrap; }
.studio-live-expand {
    font-size: 11px; color: var(--green); margin-top: 4px;
    opacity: 0.7;
}
.studio-live-toggle-btn {
    display: block; width: 100%; text-align: left;
    background: none; border: none; border-top: 1px dashed var(--border, rgba(var(--green-rgb),0.1));
    color: var(--green); font-size: 11px; padding: 4px 14px;
    cursor: pointer; font-family: inherit;
    transition: background 0.15s;
}
.studio-live-toggle-btn:hover { background: rgba(var(--green-rgb),0.05); }

.studio-live-text.translating {
    color: var(--green); font-style: italic; opacity: 0.7;
    cursor: default;
}

/* ── Process Log ── */
.studio-log-toggle {
    font-size: 11px; color: var(--muted); cursor: pointer;
    margin-top: 12px; display: flex; align-items: center; gap: 4px;
    transition: color 0.15s;
}
.studio-log-toggle:hover { color: var(--green); }

.studio-log-panel {
    margin-top: 8px; padding: 10px; background: var(--bg);
    border: 1px solid var(--line); border-radius: 8px;
    max-height: 200px; overflow-y: auto;
    font-size: 11px; font-family: monospace; color: var(--muted);
    line-height: 1.6;
}
.studio-log-entry { display: flex; gap: 8px; }
.studio-log-time { color: var(--green); opacity: 0.6; flex-shrink: 0; }
.studio-log-msg { word-break: break-word; }
.studio-log-entry.error .studio-log-msg { color: var(--red); }
.studio-log-entry.success .studio-log-msg { color: var(--green); }

/* Verify stage — side-by-side chunks */
.studio-verify-panel {
    max-width: 100%;
}

.studio-verify-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 16px;
}

.studio-verify-actions {
    display: flex;
    gap: 8px;
}

.studio-tra-panel {
    margin-bottom: 18px;
    padding: 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(111, 180, 255, 0.06), rgba(255, 255, 255, 0.02));
}

.studio-tra-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 14px;
}

.studio-tra-kicker {
    font-size: 11px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted, #8c8c8c);
    margin-bottom: 6px;
}

.studio-tra-head h4 {
    margin: 0 0 6px;
    font-size: 18px;
}

.studio-tra-sub {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-muted, #8c8c8c);
    max-width: 760px;
}

.studio-tra-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}

.studio-field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--text-muted, #8c8c8c);
}

.studio-field select {
    width: 100%;
    min-height: 42px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    color: var(--text);
    padding: 0 12px;
    font: inherit;
}

.studio-tra-result {
    display: grid;
    gap: 14px;
}

.studio-tra-status {
    font-size: 12px;
    color: var(--text-muted, #8c8c8c);
}

.studio-tra-score-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 10px;
}

.studio-tra-score {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    background: var(--bg);
}

.studio-tra-score-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-muted, #8c8c8c);
    margin-bottom: 8px;
}

.studio-tra-score-value {
    font-size: 22px;
    font-weight: 700;
}

.studio-tra-score-ok .studio-tra-score-value { color: var(--green); }
.studio-tra-score-warn .studio-tra-score-value { color: var(--amber); }
.studio-tra-score-danger .studio-tra-score-value { color: var(--red); }

.studio-tra-summary,
.studio-tra-repair,
.studio-tra-findings {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 14px;
    background: rgba(255, 255, 255, 0.02);
}

.studio-tra-summary-title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-muted, #8c8c8c);
    margin-bottom: 10px;
}

.studio-tra-repair-text {
    width: 100%;
    min-height: 220px;
    resize: vertical;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--bg);
    color: var(--text);
    padding: 12px;
    font: inherit;
    line-height: 1.55;
}

.studio-tra-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: 10px;
}

.studio-tra-findings {
    display: grid;
    gap: 10px;
}

.studio-tra-finding {
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 12px;
    background: var(--bg);
}

.studio-tra-finding-head {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.studio-tra-badge {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 0 8px;
    border-radius: 999px;
    background: rgba(111, 180, 255, 0.12);
    color: #6fb4ff;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.studio-tra-badge-ghost {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-muted, #8c8c8c);
}

.studio-tra-finding-title {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

.studio-tra-finding-copy {
    font-size: 13px;
    line-height: 1.55;
    color: var(--text);
}

.studio-tra-severity-critical { border-color: rgba(214, 75, 75, 0.8); }
.studio-tra-severity-high { border-color: rgba(214, 75, 75, 0.45); }
.studio-tra-severity-medium { border-color: rgba(224, 161, 0, 0.45); }
.studio-tra-severity-low { border-color: rgba(24, 169, 87, 0.45); }

.ab-mode-switcher {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    padding: 14px 16px;
    margin-bottom: 16px;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: rgba(255,255,255,0.02);
}

.ab-mode-title {
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 4px;
}

.ab-mode-sub {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-muted, #888);
    max-width: 780px;
}

.ab-mode-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ab-production-coach {
    margin-bottom: 18px;
    padding: 16px;
    border-radius: 16px;
    border: 1px solid rgba(111, 180, 255, 0.18);
    background:
        radial-gradient(circle at top left, rgba(111, 180, 255, 0.10), transparent 40%),
        linear-gradient(180deg, rgba(255,255,255,0.03), rgba(255,255,255,0.01));
}

.ab-production-coach-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 14px;
}

.ab-production-coach-kicker {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted, #888);
    margin-bottom: 6px;
}

.ab-production-coach-title {
    font-size: 20px;
    font-weight: 700;
}

.ab-production-coach-next {
    min-height: 38px;
    padding: 10px 12px;
    border-radius: 12px;
    background: rgba(255,255,255,0.04);
    color: var(--text);
    font-size: 13px;
    line-height: 1.45;
}

.ab-production-coach-next.is-ready {
    color: var(--green);
    border: 1px solid rgba(24, 169, 87, 0.3);
}

.ab-production-coach-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: 12px;
}

.ab-production-step {
    padding: 14px;
    border-radius: 14px;
    border: 1px solid var(--border);
    background: var(--bg);
}

.ab-production-step.done {
    border-color: rgba(24, 169, 87, 0.35);
    background: rgba(24, 169, 87, 0.05);
}

.ab-production-step-top {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
}

.ab-production-step-state {
    width: 22px;
    height: 22px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    background: rgba(255,255,255,0.06);
    font-weight: 700;
}

.ab-production-step.done .ab-production-step-state {
    background: rgba(24, 169, 87, 0.18);
    color: var(--green);
}

.ab-production-step-copy {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-muted, #888);
    min-height: 58px;
}

.ab-production-step-action {
    margin-top: 10px;
}

.ab-pro-upgrade-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin: 18px 0;
    padding: 16px;
    border: 1px dashed rgba(111, 180, 255, 0.35);
    border-radius: 14px;
    background: rgba(111, 180, 255, 0.05);
}

.ab-pro-upgrade-copy {
    display: grid;
    gap: 6px;
    font-size: 13px;
    line-height: 1.5;
    color: var(--text-muted, #888);
}

.ab-pro-upgrade-copy strong {
    color: var(--text);
    font-size: 14px;
}

.ab-batch-queue {
    margin-top: 16px;
}

.ab-batch-progress {
    margin: 12px 0;
    padding: 12px;
    border: 1px solid rgba(111, 180, 255, 0.22);
    border-radius: 12px;
    background: rgba(111, 180, 255, 0.05);
}

.ab-batch-progress-top {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 6px;
}

.ab-batch-progress-copy {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.45;
}

.ab-batch-list {
    display: grid;
    gap: 10px;
}

.ab-batch-item {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
}

.ab-batch-item-main {
    display: grid;
    gap: 4px;
}

.ab-batch-item-main span {
    font-size: 12px;
    color: var(--muted);
}

.ab-batch-item-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}

.ab-script-search-row {
    margin-bottom: 10px;
}

.ab-script-search {
    width: 100%;
}

@media (max-width: 820px) {
    .ab-mode-switcher,
    .ab-production-coach-head,
    .ab-pro-upgrade-card {
        flex-direction: column;
        align-items: stretch;
    }

    .ab-batch-item,
    .ab-batch-progress-top {
        flex-direction: column;
        align-items: stretch;
    }
}

.studio-chunks-grid {
    display: grid;
    gap: 12px;
}

.studio-chunk-row {
    display: grid;
    grid-template-columns: 40px 1fr 1fr;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 10px;
    transition: opacity 0.2s;
    align-items: start;
}

.studio-chunk-num {
    font-size: 12px;
    font-weight: 700;
    color: var(--green);
    padding-top: 4px;
}

.studio-chunk-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted, #888);
    text-transform: uppercase;
    margin-bottom: 4px;
}

.studio-chunk-text {
    font-size: 13px;
    line-height: 1.5;
    color: var(--text);
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    word-break: break-word;
}

.studio-chunk-actions {
    display: flex;
    gap: 6px;
    margin-top: 8px;
}

.studio-chunk-btn {
    background: none;
    border: 1px solid var(--border);
    color: var(--text-muted, #888);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    cursor: pointer;
    font-family: inherit;
    transition: border-color 0.15s, color 0.15s;
}
.studio-chunk-btn:hover {
    border-color: var(--green);
    color: var(--green);
}

/* Edit textarea */
.studio-edit-textarea {
    width: 100%;
    min-height: 120px;
    padding: 8px 10px;
    border: 1px solid var(--green);
    border-radius: 8px;
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    line-height: 1.5;
    resize: vertical;
}

.studio-edit-actions {
    display: flex;
    gap: 6px;
    margin-top: 6px;
}

/* Audit results */
.studio-audit-ok {
    padding: 12px;
    background: rgba(var(--green-rgb), 0.08);
    border-radius: 8px;
    color: var(--green);
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 16px;
}

.studio-audit-results {
    margin-bottom: 16px;
}

.studio-audit-results h4 {
    font-size: 14px;
    color: var(--amber);
    margin-bottom: 8px;
}

.studio-audit-list {
    display: grid;
    gap: 6px;
}

.studio-audit-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    padding: 6px 10px;
    background: rgba(var(--amber-rgb), 0.06);
    border-radius: 6px;
}

.studio-audit-chunk {
    color: var(--green);
    font-weight: 700;
    min-width: 30px;
}

.studio-audit-term {
    font-weight: 600;
    color: var(--text);
}

.studio-audit-arrow {
    color: var(--text-muted, #888);
}

.studio-audit-expected {
    color: var(--amber);
}

/* ═══════════════════════════════════════
   Side-by-Side Reader
   ═══════════════════════════════════════ */

.studio-reader-dual {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 12px;
}

.studio-reader-pane {
    border: 1px solid var(--line);
    border-radius: 10px;
    overflow-y: auto;
    max-height: 70vh;
    background: var(--panel);
}

.studio-reader-pane-header {
    position: sticky;
    top: 0;
    padding: 8px 14px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--green);
    background: var(--panel);
    border-bottom: 1px solid var(--line);
    z-index: 1;
}

.studio-reader-pane-body {
    padding: 14px;
}

.studio-reader-pane-body p {
    font-size: 14px;
    line-height: 1.7;
    color: var(--text);
    margin: 0 0 12px;
    white-space: pre-wrap;
    word-break: break-word;
}

.studio-reader-chapter {
    font-size: 15px;
    font-weight: 700;
    color: var(--green);
    padding: 12px 0 6px;
    border-bottom: 1px solid var(--line);
    margin-bottom: 10px;
}

.studio-glossary-mark {
    background: rgba(var(--green-rgb), 0.15);
    color: var(--green);
    border-radius: 3px;
    padding: 0 2px;
}

/* ═══════════════════════════════════════
   Glossary Editor
   ═══════════════════════════════════════ */

.studio-glossary-section {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--line);
}

.studio-glossary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
}

.studio-glossary-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--green);
}

.studio-glossary-editor {
    margin-top: 8px;
}

.studio-glossary-table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 12px;
}

.studio-glossary-table th {
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    color: var(--muted);
    text-transform: uppercase;
    padding: 4px 8px 8px;
}

.studio-glossary-row td {
    padding: 4px 4px;
    vertical-align: middle;
}

.studio-glossary-input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--bg);
    color: var(--text);
    font-family: inherit;
    font-size: 13px;
    transition: border-color 0.15s;
}

.studio-glossary-input:focus {
    border-color: var(--green);
    outline: none;
}

.studio-glossary-arrow {
    text-align: center;
    color: var(--muted);
    font-size: 14px;
    width: 30px;
}

.studio-glossary-del {
    background: none;
    border: none;
    color: var(--muted);
    font-size: 14px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: color 0.15s;
}

.studio-glossary-del:hover {
    color: var(--red);
}

.studio-glossary-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}


/* ═══════════════════════════════════════
   Audiobook — Tier / Cost / Cast / Progress / Done
   ═══════════════════════════════════════ */

/* Tier picker */
.ab-tier-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.ab-tier-card {
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
    background: var(--panel);
}

.ab-tier-card.ab-tier-active:hover {
    border-color: var(--green);
    box-shadow: 0 0 20px rgba(var(--green-rgb), 0.12);
    transform: translateY(-2px);
}

.ab-tier-card.ab-tier-disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

.ab-tier-badge {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--green);
    margin-bottom: 10px;
}

.ab-tier-badge.ab-tier-soon {
    color: var(--muted);
}

.ab-tier-badge.ab-tier-budget {
    color: #f0c040;
}

.ab-tier-name {
    font-size: 15px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.ab-tier-desc {
    font-size: 12px;
    color: var(--muted);
    margin-bottom: 12px;
    line-height: 1.4;
}

.ab-tier-price {
    font-size: 14px;
    font-weight: 600;
    color: var(--amber);
    margin-bottom: 14px;
    font-family: 'Share Tech Mono', monospace;
}

/* Cost preview */
.ab-cost-panel {
    max-width: 420px;
    margin-bottom: 16px;
}
.ab-cost-warning {
    margin-top: 12px;
    padding: 12px 14px;
    background: rgba(var(--amber-rgb), 0.06);
    border: 1px dashed rgba(var(--amber-rgb), 0.4);
    border-radius: 10px;
}
.ab-cost-warning-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--amber, var(--amber));
    margin-bottom: 6px;
}
.ab-cost-warning-text {
    font-size: 12px;
    color: var(--text);
    line-height: 1.6;
}

/* Voice casting */
.ab-cast-panel {
    max-width: 760px;
    margin-bottom: 16px;
}

.ab-quick-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 10px 0 16px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(var(--green-rgb),0.04);
    position: sticky;
    top: 12px;
    z-index: 3;
    backdrop-filter: blur(8px);
}

.ab-cast-row {
    padding: 12px 0;
    border-bottom: 1px solid var(--line);
}

.ab-cast-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--green);
    margin-bottom: 8px;
}

.ab-cast-traits {
    font-weight: 400;
    color: var(--muted);
    font-size: 12px;
}

.ab-cast-controls {
    display: flex;
    gap: 8px;
    align-items: center;
}

.ab-voice-select {
    flex: 1;
    min-width: 0;
}

.ab-preview-btn {
    white-space: nowrap;
    min-width: 110px;
}

.ab-cast-divider {
    height: 1px;
    background: var(--line);
    margin: 12px 0 8px;
}

.ab-cast-section-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 4px;
}

.ab-cast-note {
    font-size: 12px;
    color: var(--muted);
    padding: 10px 12px;
    background: rgba(var(--green-rgb), 0.03);
    border-radius: 8px;
    margin-top: 14px;
    line-height: 1.4;
}

.ab-script-editor {
    margin-top: 18px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(255,255,255,0.02);
}

.ab-script-empty {
    font-size: 13px;
    color: var(--muted);
}

.ab-script-card {
    margin-top: 12px;
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--panel);
}

.ab-script-card.selected {
    border-color: rgba(var(--green-rgb),0.34);
    box-shadow: 0 0 0 1px rgba(var(--green-rgb),0.12) inset;
}

.ab-script-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 10px;
}

.ab-script-head-main {
    min-width: 0;
}

.ab-block-select {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    user-select: none;
}

.ab-block-select input {
    margin: 0;
    accent-color: var(--green);
}

.ab-block-selection-status {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    font-size: 12px;
    color: var(--muted);
    padding-right: 4px;
}

.ab-work-badges {
    display: inline-flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-left: 8px;
    vertical-align: middle;
}

.ab-work-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 11px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.04);
    color: var(--text);
}

.ab-work-badge.edited {
    border-color: rgba(255, 196, 0, 0.25);
    background: rgba(255, 196, 0, 0.08);
}

.ab-work-badge.audio {
    border-color: rgba(var(--green-rgb), 0.25);
    background: rgba(var(--green-rgb), 0.08);
}

.ab-work-badge.scene {
    border-color: rgba(102, 204, 255, 0.25);
    background: rgba(102, 204, 255, 0.08);
}

.ab-script-chip {
    display: inline-block;
    margin-left: 8px;
    font-size: 11px;
    color: var(--green);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 2px 8px;
    background: rgba(var(--green-rgb),0.06);
}

.ab-script-tabs {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.ab-script-tab {
    border: 1px solid var(--border);
    background: transparent;
    color: var(--muted);
    border-radius: 8px;
    padding: 6px 10px;
    font: inherit;
    font-size: 12px;
    cursor: pointer;
}

.ab-script-tab.active {
    color: var(--green);
    border-color: var(--green);
    background: rgba(var(--green-rgb),0.08);
}

.ab-script-text {
    white-space: pre-wrap;
    line-height: 1.6;
    font-size: 13px;
    color: var(--text);
}

.ab-script-textarea {
    min-height: 160px;
}

.ab-block-modal {
    display: flex;
    flex-direction: column;
}

.ab-block-modal.fullscreen {
    width: min(1500px, 96vw);
    max-width: 96vw;
    height: 94vh;
    max-height: 94vh;
}

.ab-block-modal-head-actions {
    display: flex;
    gap: 8px;
    align-items: center;
}

.ab-block-modal-content {
    display: flex;
    flex-direction: column;
    gap: 12px;
    flex: 1 1 auto;
    min-height: 0;
}

.ab-block-modal-editor {
    flex: 1 1 auto;
    min-height: 42vh;
    resize: vertical;
}

.ab-block-modal.fullscreen .ab-block-modal-editor {
    min-height: 62vh;
}

.ab-prompt-textarea {
    min-height: 140px;
}

.ab-block-settings {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ab-editor-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
    margin-top: 8px;
    font-size: 12px;
    color: var(--muted);
}

.ab-editor-count {
    font-variant-numeric: tabular-nums;
}

.ab-editor-state {
    color: var(--green);
}

.ab-editor-state.dirty {
    color: var(--amber);
}

.ab-diff-summary {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--amber);
}

.ab-history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ab-history-item {
    display: grid;
    grid-template-columns: 1.3fr 1fr auto auto;
    gap: 10px;
    align-items: center;
    border: 1px solid var(--line);
    border-radius: 12px;
    padding: 10px 12px;
    background: rgba(255,255,255,0.03);
    font-size: 12px;
}

.ab-script-actions {
    display: flex;
    gap: 8px;
    margin-top: 8px;
    flex-wrap: wrap;
}

.ab-script-toolbar {
    position: sticky;
    top: 68px;
    z-index: 2;
    padding: 10px 0 12px;
    margin-top: 12px;
    background: linear-gradient(180deg, rgba(11, 16, 11, 0.98), rgba(11, 16, 11, 0.88));
}

.ab-production-blueprint {
    margin-top: 18px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(var(--green-rgb),0.03);
}

.ab-production-actions,
.ab-production-scene-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 12px;
}

.ab-production-hint {
    display: inline-flex;
    align-items: center;
    min-height: 32px;
    font-size: 12px;
    color: var(--muted);
    margin-right: 4px;
}

.ab-production-scene {
    margin-top: 12px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--panel);
}

.ab-production-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.ab-production-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
}

.ab-production-tone {
    font-size: 11px;
    color: var(--green);
    border: 1px solid var(--line);
    border-radius: 999px;
    padding: 2px 8px;
    background: rgba(var(--green-rgb),0.08);
}

.ab-production-meta {
    display: grid;
    gap: 6px;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.5;
}

.ab-production-participants {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.ab-production-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 8px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: rgba(255,255,255,0.04);
    color: var(--text);
    font-size: 11px;
}

.ab-hero {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    align-items: flex-start;
    padding: 16px 18px;
    margin: 8px 0 18px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background:
        radial-gradient(circle at top right, rgba(var(--green-rgb),0.1), transparent 32%),
        linear-gradient(180deg, var(--panel), var(--panel-2));
}

.ab-hero-main {
    min-width: 0;
}

.ab-hero-kicker {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--muted);
    margin-bottom: 6px;
}

.ab-hero-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.2;
    margin-bottom: 10px;
}

.ab-hero-sub,
.ab-cast-summary,
.ab-progress-summary-pills {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.ab-hero-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border-radius: 999px;
    border: 1px solid rgba(var(--green-rgb), 0.16);
    background: rgba(var(--green-rgb), 0.06);
    color: var(--text);
    font-size: 11px;
}

.ab-flow {
    min-width: 240px;
    padding: 12px 14px;
    border-radius: 12px;
    border: 1px solid var(--line);
    background: rgba(var(--green-rgb), 0.03);
}

.ab-flow-label,
.ab-section-title,
.ab-progress-summary-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 6px;
}

.ab-flow-copy,
.ab-section-copy,
.ab-progress-summary-copy,
.ab-done-copy {
    font-size: 12px;
    line-height: 1.5;
    color: var(--muted);
}

.ab-collapsible-toggle {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 14px;
    margin-bottom: 10px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(var(--green-rgb),0.04);
    color: var(--green);
    cursor: pointer;
    font-family: inherit;
    text-align: left;
}

.ab-collapsible-title {
    font-size: 14px;
    font-weight: 700;
}

.ab-collapsible-chevron {
    font-size: 14px;
    opacity: 0.8;
}

.ab-collapsible-body.collapsed {
    display: none;
}

.ab-section-intro {
    margin-bottom: 14px;
}

.ab-cast-summary {
    margin-bottom: 14px;
}

.ab-selection-summary {
    margin-bottom: 14px;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: linear-gradient(180deg, rgba(var(--green-rgb),0.05), rgba(255,255,255,0.02));
}

.ab-selection-summary-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 10px;
}

.ab-selection-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 10px;
}

.ab-selection-summary-item {
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--panel);
    display: grid;
    gap: 4px;
}

.ab-selection-summary-item span {
    font-size: 11px;
    color: var(--muted);
}

.ab-selection-summary-item strong {
    font-size: 13px;
    color: var(--text);
}

/* Progress */
.ab-progress-panel {
    max-width: 560px;
    margin: 0 auto;
    text-align: center;
    padding: 30px 0;
}

.ab-progress-summary {
    margin-bottom: 18px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
    text-align: left;
}

.ab-progress-status {
    font-size: 16px;
    font-weight: 600;
    color: var(--green);
    margin-bottom: 20px;
}

.ab-progress-bar-wrap {
    width: 100%;
    height: 8px;
    background: var(--line);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.ab-progress-bar {
    height: 100%;
    background: var(--green);
    border-radius: 4px;
    transition: width 0.4s ease;
    box-shadow: 0 0 8px rgba(var(--green-rgb), 0.3);
}

.ab-progress-pct {
    font-size: 24px;
    font-weight: 700;
    color: var(--green);
    font-family: 'Share Tech Mono', monospace;
    margin-bottom: 20px;
}

.ab-progress-details {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.ab-progress-detail {
    font-size: 13px;
    color: var(--muted);
}

.ab-progress-actions {
    margin-top: 18px;
    justify-content: center;
}

/* Done */
.ab-done-panel {
    max-width: 420px;
    margin: 0 auto;
    text-align: center;
    padding: 20px 0;
}

.ab-done-icon {
    font-size: 48px;
    margin-bottom: 12px;
}

.ab-done-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--green);
    margin-bottom: 20px;
}

.ab-done-copy {
    margin-bottom: 16px;
}

.ab-done-downloads {
    display: flex;
    gap: 12px;
    justify-content: center;
    margin-top: 20px;
}

.ab-done-actions {
    margin-top: 16px;
    justify-content: center;
}

/* Loading / muted */
.studio-loading {
    text-align: center;
    padding: 40px;
    color: var(--text-muted, #888);
    font-size: 14px;
}

.studio-loading-note {
    margin-top: 12px;
    padding: 14px 16px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(var(--green-rgb),0.04);
    color: var(--muted);
    font-size: 13px;
    line-height: 1.5;
}

.studio-stepper-loading .studio-step.is-skeleton {
    opacity: 0.7;
}

.studio-stage-skeleton {
    border-style: dashed;
}

.studio-skeleton-kicker {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--green);
    margin-bottom: 8px;
}

.studio-skeleton-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.studio-skeleton-sub {
    font-size: 13px;
    color: var(--muted);
    line-height: 1.5;
    margin-bottom: 16px;
    max-width: 760px;
}

.studio-skeleton-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.studio-skeleton-card {
    height: 92px;
    border-radius: 14px;
    border: 1px solid var(--line);
    background:
        linear-gradient(90deg, rgba(255,255,255,0.03), rgba(var(--green-rgb),0.08), rgba(255,255,255,0.03));
    background-size: 220% 100%;
    animation: studioSkeletonPulse 1.6s ease-in-out infinite;
}

@keyframes studioSkeletonPulse {
    0% { background-position: 100% 0; }
    100% { background-position: -100% 0; }
}

.studio-muted {
    color: var(--text-muted, #888) !important;
    font-style: italic;
}

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

@media (max-width: 768px) {
    .studio-body {
        flex-direction: column;
    }

    .studio-stepper {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
        display: flex;
        overflow-x: auto;
        padding: 8px;
        gap: 4px;
    }

    .studio-step {
        flex-direction: column;
        padding: 6px 10px;
        margin-bottom: 0;
        min-width: 60px;
        text-align: center;
        font-size: 11px;
    }

    .studio-step-label {
        display: inline;
        max-width: 72px;
        font-size: 10px;
    }

    .studio-content {
        padding: 12px;
    }

    .studio-chunk-row {
        grid-template-columns: 30px 1fr;
        gap: 8px;
    }

    .studio-chunk-row .studio-chunk-source {
        grid-column: 2;
    }
    .studio-chunk-row .studio-chunk-target {
        grid-column: 1 / -1;
        border-top: 1px solid var(--border);
        padding-top: 8px;
    }

    .studio-reader-dual {
        grid-template-columns: 1fr;
    }

    .studio-reader-pane {
        max-height: 50vh;
    }

    .studio-glossary-table th:nth-child(2),
    .studio-glossary-row td:nth-child(2) {
        display: none;
    }

    .studio-verify-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .ab-tier-grid {
        grid-template-columns: 1fr;
    }

    .ab-hero {
        flex-direction: column;
    }

    .ab-flow {
        min-width: 0;
        width: 100%;
    }

    .ab-cast-controls {
        flex-direction: column;
        align-items: stretch;
    }

    .ab-script-head {
        flex-direction: column;
        align-items: flex-start;
    }

    .ab-preview-btn {
        min-width: auto;
    }

    .ab-progress-details {
        flex-direction: column;
        gap: 8px;
    }

    .ab-done-downloads {
        flex-direction: column;
    }
}

/* ── Audiobook Discovery Mode ── */
.ab-discovery { max-width: 560px; margin: 0 auto; }
.ab-discovery-hero { text-align: center; margin-bottom: 24px; }
.ab-discovery-icon { font-size: 56px; margin-bottom: 8px; filter: drop-shadow(0 0 20px rgba(var(--green-rgb),0.3)); }
.ab-discovery-title {
    font-size: 22px; font-weight: 700; color: var(--green); margin-bottom: 6px;
    text-shadow: 0 0 20px rgba(var(--green-rgb),0.2);
}
.ab-discovery-sub { font-size: 13px; color: var(--muted); line-height: 1.4; }

.ab-discovery-features {
    display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 24px;
}
.ab-discovery-feature {
    display: flex; gap: 10px; align-items: center;
    padding: 12px 14px; background: var(--panel); border: 1px solid var(--line);
    border-radius: 10px; font-size: 12px; color: var(--text);
    transition: border-color 0.15s;
}
.ab-discovery-feature:hover { border-color: var(--green-dim); }
.ab-feature-icon { font-size: 22px; flex-shrink: 0; }

/* Voice cards grid */
.ab-discovery-voices { margin-bottom: 20px; }
.ab-discovery-voices-title {
    font-size: 14px; color: var(--green); margin-bottom: 10px; font-weight: 600;
}
.ab-dv-filters {
    display: grid;
    grid-template-columns: minmax(220px, 1.6fr) repeat(4, minmax(130px, 1fr));
    gap: 8px;
    margin-bottom: 10px;
}
.ab-dv-search,
.ab-dv-filter-select {
    width: 100%;
    background: var(--panel);
    border: 1px solid var(--line);
    border-radius: 10px;
    padding: 10px 12px;
    color: var(--text);
    font-family: inherit;
    font-size: 12px;
    outline: none;
    box-sizing: border-box;
}
.ab-dv-toolbar {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    align-items: center;
    margin-bottom: 10px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(var(--green-rgb),0.04);
}
.ab-dv-toolbar-copy {
    font-size: 12px;
    line-height: 1.4;
    color: var(--muted);
}
.ab-dv-toolbar-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}
.ab-discovery-voice-list {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px;
}
.ab-dv-card {
    background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
    padding: 10px 12px; transition: all 0.15s; cursor: pointer;
}
.ab-dv-card:hover { border-color: var(--green-dim); background: var(--panel-2); }
.ab-dv-card.selected {
    border-color: rgba(var(--green-rgb),0.42);
    background: rgba(var(--green-rgb),0.06);
    box-shadow: 0 0 0 1px rgba(var(--green-rgb),0.16) inset;
}
.ab-dv-top {
    display: flex; align-items: center; gap: 8px; margin-bottom: 4px;
}
.ab-dv-gender { font-size: 16px; flex-shrink: 0; }
.ab-dv-name { flex: 1; font-size: 13px; color: var(--text); font-weight: 600; }
.ab-dv-compare {
    width: 28px; height: 28px; border-radius: 50%;
    background: transparent; border: 1px solid var(--line);
    color: var(--muted); font-size: 13px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
}
.ab-dv-compare.is-active {
    border-color: rgba(var(--green-rgb),0.32);
    background: rgba(var(--green-rgb),0.16);
    color: var(--green);
}
.ab-dv-play {
    width: 32px; height: 32px; border-radius: 50%;
    background: rgba(var(--green-rgb),0.1); border: 1px solid rgba(var(--green-rgb),0.3);
    color: var(--green); font-size: 14px; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s; flex-shrink: 0;
}
.ab-dv-play:hover {
    background: rgba(var(--green-rgb),0.2);
    box-shadow: 0 0 12px rgba(var(--green-rgb),0.2);
}
.ab-dv-meta { display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.ab-dv-tag {
    font-size: 10px; padding: 1px 6px; border-radius: 4px;
    background: rgba(var(--green-rgb),0.06); border: 1px solid var(--line);
    color: var(--muted);
}
.ab-dv-traits { font-size: 10px; color: var(--muted); }

/* Quick TTS section */
.ab-discovery-note {
    font-size: 12px; color: var(--muted); margin-bottom: 8px;
    padding: 10px 14px; background: rgba(var(--green-rgb),0.04); border-radius: 8px;
    border: 1px solid var(--line); line-height: 1.4;
}
.ab-discovery-quicktts {
    margin-bottom: 16px; background: var(--panel); border: 1px solid var(--line);
    border-radius: 12px; padding: 16px;
}
.ab-quicktts-header {
    font-size: 14px; font-weight: 600; color: var(--green); margin-bottom: 10px;
}
.ab-quicktts-input {
    width: 100%; background: var(--bg); border: 1px solid var(--line);
    border-radius: 8px; padding: 10px; color: var(--text);
    font-family: inherit; font-size: 13px; resize: vertical;
    outline: none; box-sizing: border-box; min-height: 80px;
}
.ab-quicktts-input:focus { border-color: var(--green-dim); }
.ab-quicktts-input::placeholder { color: var(--muted); opacity: 0.6; }
.ab-quicktts-meta {
    display: flex; justify-content: space-between; margin-top: 4px;
    font-size: 11px; color: var(--muted);
}
.ab-quicktts-inline {
    display: inline-flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
}
.ab-quicktts-chars { font-family: inherit; }
.ab-quicktts-cost { color: var(--amber); }
.ab-quicktts-controls {
    display: flex; gap: 8px; margin-top: 10px; align-items: center;
}
.ab-quicktts-select {
    flex: 1; background: var(--panel-2); border: 1px solid var(--line);
    border-radius: 8px; padding: 8px 10px; color: var(--text);
    font-family: inherit; font-size: 12px; outline: none;
}
.ab-quicktts-loading {
    display: flex; align-items: center; gap: 8px;
    font-size: 12px; color: var(--muted); padding: 10px 0;
}
.ab-quicktts-result { margin-top: 10px; }
.ab-quicktts-audio { width: 100%; border-radius: 8px; }
.ab-quicktts-done {
    font-size: 12px; color: var(--green); margin-top: 6px; text-align: center;
}
.ab-compare-result {
    margin-top: 12px;
}
.ab-compare-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 10px;
}
.ab-compare-card {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--bg);
}
.ab-compare-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
}
.ab-compare-provider {
    font-size: 11px;
    color: var(--muted);
    margin: 4px 0 8px;
}
.ab-compare-error {
    font-size: 12px;
    color: var(--red);
}

@media (max-width: 768px) {
    .ab-discovery-features { grid-template-columns: 1fr; }
    .ab-discovery-voice-list { grid-template-columns: 1fr; }
    .ab-quicktts-controls { flex-direction: column; }
    .ab-dv-filters { grid-template-columns: 1fr; }
    .ab-dv-toolbar { flex-direction: column; align-items: stretch; }
}

/* Audiobook scope selection */
.ab-scope-section {
    margin-top: 16px;
    padding: 14px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 10px;
}
.ab-scope-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--green);
    margin-bottom: 10px;
}
.ab-scope-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 10px;
}
.ab-scope-option {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text);
    cursor: pointer;
}
.ab-scope-option input { accent-color: var(--green); }
.ab-scope-chapters, .ab-scope-blocks {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-height: 200px;
    overflow-y: auto;
    padding: 8px;
    background: var(--panel);
    border-radius: 8px;
}
.ab-scope-chapter, .ab-scope-block {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--text);
    cursor: pointer;
    padding: 4px 0;
}
.ab-scope-chapter input, .ab-scope-block input { accent-color: var(--green); }

.ab-scope-toolbar {
    margin: 10px 0;
}

.ab-loading-note {
    display: grid;
    gap: 10px;
    justify-items: start;
}

.ab-chapter-nav {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.ab-chapter-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 999px;
    border: 1px solid var(--line);
    background: var(--panel);
    color: var(--muted);
    cursor: pointer;
    transition: all 0.15s ease;
}

.ab-chapter-pill span {
    font-size: 11px;
    color: var(--green);
}

.ab-chapter-pill.active,
.ab-chapter-pill:hover {
    color: var(--text);
    border-color: rgba(var(--green-rgb),0.32);
    background: rgba(var(--green-rgb),0.08);
}

.ab-guide-panel,
.ab-recording-panel {
    margin-top: 16px;
    padding: 14px;
    background: var(--bg);
    border: 1px solid var(--line);
    border-radius: 10px;
}

.ab-guide-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin: 8px 0 12px;
}

.ab-guide-card {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
    margin-top: 10px;
}

.ab-guide-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 8px;
}

.ab-guide-overview,
.ab-guide-line {
    font-size: 12px;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 8px;
}

.ab-guide-list {
    margin: 8px 0 0 18px;
    padding: 0;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.ab-insights-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin: 12px 0 16px;
}

.ab-insight-card {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: linear-gradient(180deg, rgba(20, 28, 20, 0.92), rgba(10, 16, 10, 0.92));
}

.ab-insight-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--muted);
    margin-bottom: 8px;
}

.ab-insight-value {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

.ab-insight-note {
    font-size: 12px;
    color: var(--green);
    line-height: 1.4;
}

.ab-empty-state {
    display: grid;
    gap: 6px;
    padding: 14px;
    border: 1px dashed rgba(var(--green-rgb),0.22);
    border-radius: 12px;
    background: rgba(8, 18, 8, 0.5);
    color: var(--muted);
    font-size: 12px;
    line-height: 1.5;
}

.ab-empty-state strong {
    color: var(--text);
    font-size: 13px;
}

.ab-scene-grid {
    display: grid;
    gap: 12px;
    margin-top: 12px;
}

.ab-scene-card {
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: 14px;
    background: var(--panel);
    display: grid;
    gap: 8px;
}

.ab-scene-card-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
}

.ab-scene-card-meta,
.ab-scene-card-chunks,
.ab-scene-card-sound {
    font-size: 12px;
    color: var(--muted);
    line-height: 1.5;
}

.ab-sound-brief {
    min-height: 180px;
}

.ab-tab-hero {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 12px;
    padding: 12px 14px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: rgba(10, 18, 10, 0.65);
}

.ab-tab-sub {
    margin-top: 4px;
    font-size: 12px;
    color: var(--muted);
    line-height: 1.45;
}

.ab-block-modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(5, 12, 5, 0.72);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    z-index: 1200;
}

.ab-block-modal {
    width: min(920px, 100%);
    max-height: 88vh;
    overflow: auto;
    background: linear-gradient(180deg, rgba(18, 24, 18, 0.98), rgba(8, 12, 8, 0.98));
    border: 1px solid rgba(var(--green-rgb),0.18);
    border-radius: 18px;
    padding: 18px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.35);
}

.ab-block-modal-head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
    position: sticky;
    top: 0;
    z-index: 2;
    padding-bottom: 10px;
    background: linear-gradient(180deg, rgba(18, 24, 18, 0.98), rgba(18, 24, 18, 0.92));
}

.ab-block-modal-text {
    max-height: 280px;
    overflow: auto;
}

.ab-script-tabs {
    position: sticky;
    top: 58px;
    z-index: 1;
    background: linear-gradient(180deg, rgba(18, 24, 18, 0.98), rgba(18, 24, 18, 0.9));
    padding-bottom: 10px;
}

.ab-block-modal-content {
    min-height: 180px;
}

.ab-block-variants {
    display: grid;
    gap: 10px;
    margin-top: 12px;
}

.ab-block-variants-empty {
    font-size: 12px;
    color: var(--muted);
    padding: 12px 0;
}

.ab-block-variant {
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--panel);
}

.ab-block-variant.preferred {
    border-color: rgba(var(--green-rgb),0.28);
    box-shadow: 0 0 0 1px rgba(var(--green-rgb),0.1) inset;
}

.ab-script-actions .studio-btn.is-active {
    border-color: rgba(111, 180, 255, 0.45);
    background: rgba(111, 180, 255, 0.10);
    color: #6fb4ff;
}

.ab-block-variant-head {
    display: flex;
    justify-content: space-between;
    gap: 10px;
    align-items: center;
    margin-bottom: 8px;
    font-size: 12px;
    color: var(--text);
}

.ab-script-preview {
    margin-top: 8px;
    font-size: 12px;
    line-height: 1.5;
    color: var(--muted);
    white-space: pre-wrap;
    word-break: break-word;
    max-height: 8.4em;
    overflow: hidden;
}

.ab-script-preview.expanded {
    max-height: none;
}

.ab-chapter-modal .ab-recording-panel {
    margin-top: 14px;
}

.ab-compare-tray {
    margin-bottom: 12px;
    padding: 12px;
    border: 1px solid rgba(111, 180, 255, 0.25);
    border-radius: 12px;
    background: rgba(111, 180, 255, 0.05);
}

.ab-compare-tray-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 10px;
}

.ab-compare-tray-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
}

.ab-compare-tray-card {
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--bg);
}

.ab-compare-tray-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.ab-modal-footer {
    position: sticky;
    bottom: 0;
    z-index: 2;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255,255,255,0.08);
    background: linear-gradient(180deg, rgba(18, 24, 18, 0.78), rgba(18, 24, 18, 0.98));
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.ab-modal-footer-copy {
    font-size: 12px;
    line-height: 1.45;
    color: var(--muted);
    max-width: 520px;
}

.ab-modal-footer-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: flex-end;
}

@media (max-width: 768px) {
    .ab-block-modal-backdrop {
        padding: 12px;
        align-items: flex-end;
    }

    .ab-block-modal {
        max-height: 92vh;
        border-radius: 18px 18px 0 0;
    }

    .ab-compare-tray-head,
    .ab-modal-footer {
        flex-direction: column;
        align-items: stretch;
    }
}

/* Action confirm dialog */
.ab-confirm-desc { color: var(--text); line-height: 1.5; margin-bottom: 12px; }
.ab-confirm-field { margin-bottom: 12px; }
.ab-confirm-label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.ab-confirm-engine { width: 100%; }
.ab-confirm-meta {
    display: flex; gap: 16px; flex-wrap: wrap;
    font-size: 13px; color: var(--muted);
    padding-top: 8px; border-top: 1px solid var(--line);
}
.ab-confirm-meta strong { color: var(--text); }
.ab-confirm-cost { color: var(--amber); font-weight: 500; }

/* Chapter context */
.ab-chapter-context {
    background: rgba(var(--green-rgb), 0.06);
    border: 1px solid rgba(var(--green-rgb), 0.15);
    border-radius: 8px; padding: 10px 12px; margin-bottom: 10px;
    font-size: 13px; line-height: 1.5;
}
.ab-context-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.ab-context-header strong { color: var(--green); font-size: 13px; }
.ab-context-row { margin-bottom: 4px; color: var(--text); }
.ab-context-label { color: var(--muted); font-size: 12px; margin-right: 4px; }
.ab-context-tag {
    display: inline-block; background: rgba(var(--green-rgb), 0.1);
    border-radius: 4px; padding: 1px 6px; margin: 1px 2px;
    font-size: 12px; color: var(--text);
}
.ab-context-notes { font-style: italic; color: var(--muted); }
.ab-context-empty {
    display: flex; align-items: center; gap: 8px;
    font-size: 13px; color: var(--muted); margin-bottom: 10px;
}