/* ============================================================
 * Agentic Studio — LearnAdapt PedOS visual system
 * SRS §6.1 — Non-Coding User Prompt Interface
 * ============================================================ */

/* ─── Design Tokens ────────────────────────────────────────── */
:root {
    --studio-bg: var(--bg-body, var(--colour-surface-alt));
    --studio-surface: var(--bg-surface, var(--colour-surface));
    --studio-surface-hover: rgba(0,0,0,0.05);
    --studio-border: var(--border-subtle, var(--colour-border));
    --studio-border-focus: rgba(19,155,143,0.5);
    --studio-text: var(--text-primary, var(--colour-text));
    --studio-text-muted: var(--text-secondary, var(--colour-text-muted));
    --studio-text-dim: var(--text-secondary, var(--colour-text-muted));
    --studio-primary: var(--brand-primary, #139B8F);
    --studio-primary-glow: rgba(19,155,143,0.18);
    --studio-accent: #2563eb;
    --studio-success: #22c55e;
    --studio-warning: #f59e0b;
    --studio-danger: #ef4444;
    --studio-gradient: linear-gradient(135deg, #139B8F, #2563eb);
    --studio-radius: 12px;
    --studio-radius-sm: 8px;
    --studio-shadow: var(--glass-shadow, 0 8px 24px rgba(15,23,42,0.08));
}

html.dark {
    --studio-bg: #0a0a0f;
    --studio-surface: rgba(255,255,255,0.04);
    --studio-surface-hover: rgba(255,255,255,0.07);
    --studio-border: rgba(255,255,255,0.08);
    --studio-text: #e4e4e7;
    --studio-text-muted: #a1a1aa;
    --studio-text-dim: #71717a;
    --studio-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

/* ─── Hero ─────────────────────────────────────────────────── */
.studio-hero {
    padding: 1.75rem 0 1.2rem;
    text-align: center;
    background: transparent;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.studio-hero .container {
    max-width: 1000px;
    padding: 3.5rem 2rem;
    background: linear-gradient(135deg, #0f172a 0%, #1a2744 50%, #0d2137 100%);
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}
.studio-hero .container::before {
    content: '';
    position: absolute;
    inset: -50%;
    background: radial-gradient(circle at 25% 40%, rgba(19,155,143,0.1) 0%, transparent 50%), radial-gradient(circle at 75% 60%, rgba(99,102,241,0.06) 0%, transparent 50%);
}
.studio-hero .container > * {
    position: relative;
}
.studio-hero-badge {
    display: inline-block;
    padding: 0.35rem 1rem;
    border-radius: 999px;
    background: var(--studio-gradient);
    color: #fff;
    font-size: 0.8rem;
    font-weight: 800;
    letter-spacing: 0.06em;
    margin-bottom: 1.25rem;
}
.studio-hero-title {
    font-size: clamp(2.15rem, 5vw, 3.2rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 0.75rem;
    line-height: 1.15;
}
.gradient-text {
    background: var(--studio-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.studio-hero-subtitle {
    color: rgba(255,255,255,0.72);
    font-size: 1.08rem;
    max-width: 720px;
    margin: 0 auto;
    line-height: 1.65;
}
.studio-hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    justify-content: center;
    margin-top: 0.9rem;
}
.studio-hero-action {
    align-items: center;
    display: inline-flex;
    min-height: 2.4rem;
    text-decoration: none;
}
.studio-hero-faq-link {
    border: 1px solid rgba(255,255,255,0.86);
    border-radius: 999px;
    background: rgba(255,255,255,0.96);
    color: #102033;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 800;
    padding: 0.55rem 0.95rem;
    box-shadow: 0 6px 18px rgba(15,23,42,0.08);
}
.studio-hero-faq-link:hover,
.studio-hero-faq-link:focus {
    background: #fff;
    border-color: #fff;
    outline: none;
}
.studio-hero .btn-primary {
    background: #fff;
    color: #102033 !important;
    border-color: #fff !important;
    box-shadow: 0 10px 22px rgba(15,23,42,0.18);
    -webkit-text-fill-color: #102033 !important;
}
.studio-hero .btn-ghost {
    background: rgba(255,255,255,0.1);
    border-color: rgba(255,255,255,0.24);
    color: #fff !important;
    -webkit-text-fill-color: #fff !important;
}
html.dark .studio-hero-faq-link {
    background: rgba(255,255,255,0.06);
    box-shadow: none;
}

/* ─── Public Studio Landing ────────────────────────────────── */
.studio-public-landing {
    padding: 2rem 0 4rem;
}
.studio-public-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 1.5rem;
    align-items: stretch;
}
.studio-public-intro,
.studio-public-card,
.studio-public-pipeline {
    background: var(--studio-surface);
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    box-shadow: var(--studio-shadow);
}
.studio-public-intro {
    padding: 1.7rem;
}
.studio-public-intro h2 {
    color: var(--studio-text);
    font-size: clamp(1.45rem, 2.5vw, 2.2rem);
    line-height: 1.15;
    margin: 0 0 0.75rem;
}
.studio-public-intro p {
    color: var(--studio-text-muted);
    font-size: 0.96rem;
    line-height: 1.65;
    margin: 0;
}
.studio-public-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin: 1.25rem 0 0.9rem;
}
.studio-public-actions a {
    text-decoration: none;
}
.studio-public-note {
    border-left: 3px solid var(--studio-primary);
    padding-left: 0.8rem;
}
.studio-public-card-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}
.studio-public-card {
    padding: 1.1rem;
}
.studio-public-icon {
    align-items: center;
    background: rgba(19,155,143,0.1);
    border: 1px solid rgba(19,155,143,0.18);
    border-radius: 8px;
    color: var(--studio-primary);
    display: inline-flex;
    height: 2.35rem;
    justify-content: center;
    margin-bottom: 0.85rem;
    width: 2.35rem;
}
.studio-public-icon svg {
    height: 1.1rem;
    width: 1.1rem;
}
.studio-public-card h3 {
    color: var(--studio-text);
    font-size: 0.98rem;
    margin: 0 0 0.45rem;
}
.studio-public-card p {
    color: var(--studio-text-muted);
    font-size: 0.86rem;
    line-height: 1.5;
    margin: 0;
}
.studio-public-pipeline {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0.75rem;
    margin-top: 1rem;
}
.studio-public-pipeline div {
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    min-width: 0;
    padding: 1rem;
}
.studio-public-pipeline strong {
    color: var(--studio-text);
    display: block;
    font-size: 0.88rem;
    margin-bottom: 0.3rem;
}
.studio-public-pipeline span {
    color: var(--studio-text-muted);
    display: block;
    font-size: 0.8rem;
    line-height: 1.45;
}
@media (max-width: 900px) {
    .studio-public-grid,
    .studio-public-card-grid,
    .studio-public-pipeline {
        grid-template-columns: 1fr;
    }
}

/* ─── Layout ───────────────────────────────────────────────── */
.studio-main { padding: 2rem 0 4rem; }
.studio-agent-team {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: 1rem;
    align-items: stretch;
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    background: var(--studio-surface);
    box-shadow: var(--studio-shadow);
    margin-bottom: 1.5rem;
    padding: 1.2rem;
}
.studio-agent-team-intro h2 {
    color: var(--studio-text);
    font-size: 1.15rem;
    line-height: 1.2;
    margin: 0 0 0.45rem;
}
.studio-agent-team-intro p {
    color: var(--studio-text-muted);
    font-size: 0.88rem;
    line-height: 1.55;
    margin: 0;
}
.studio-agent-team-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
}
.studio-agent-team-grid article {
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    background: rgba(255,255,255,0.58);
    min-width: 0;
    padding: 0.8rem;
}
html.dark .studio-agent-team-grid article {
    background: rgba(255,255,255,0.045);
}
.studio-agent-team-grid strong {
    color: var(--studio-text);
    display: block;
    font-size: 0.78rem;
    margin-bottom: 0.28rem;
}
.studio-agent-team-grid span {
    color: var(--studio-text-muted);
    display: block;
    font-size: 0.75rem;
    line-height: 1.4;
}
.studio-agent-team-sequence {
    border-top: 1px solid var(--studio-border);
    color: var(--studio-text-muted);
    font-size: 0.8rem;
    grid-column: 1 / -1;
    line-height: 1.5;
    margin: 0.1rem 0 0;
    padding-top: 0.8rem;
}
.studio-compose-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.04fr) minmax(23rem, 0.96fr);
    gap: 1.5rem;
    align-items: stretch;
}
.studio-authoring-mode {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(24rem, 1.05fr);
    gap: 1rem;
    align-items: center;
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    background: var(--studio-surface);
    box-shadow: var(--studio-shadow);
    margin-bottom: 1.25rem;
    padding: 1rem 1.15rem;
}
.studio-authoring-mode h3 {
    color: var(--studio-text);
    font-size: 1rem;
    margin: 0 0 0.25rem;
}
.studio-authoring-mode p {
    color: var(--studio-text-muted);
    font-size: 0.82rem;
    line-height: 1.45;
    margin: 0;
}
.authoring-mode-options {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem;
}
.authoring-mode-option {
    display: flex;
    gap: 0.55rem;
    align-items: flex-start;
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    padding: 0.75rem;
    cursor: pointer;
    color: var(--studio-text);
    background: rgba(255,255,255,0.55);
}
html.dark .authoring-mode-option {
    background: rgba(255,255,255,0.03);
}
.authoring-mode-option:has(input:checked) {
    border-color: var(--studio-primary);
    box-shadow: 0 0 0 3px var(--studio-primary-glow);
}
.authoring-mode-option input {
    margin-top: 0.18rem;
}
.authoring-mode-option strong {
    display: block;
    font-size: 0.84rem;
}
.authoring-mode-option small {
    display: block;
    color: var(--studio-text-muted);
    font-size: 0.76rem;
    line-height: 1.35;
    margin-top: 0.15rem;
}
.authoring-mode-summary {
    grid-column: 1 / -1;
    border-top: 1px solid var(--studio-border);
    padding-top: 0.75rem;
}
.studio-compose-grid.is-freeform-mode {
    grid-template-columns: minmax(18rem, 0.74fr) minmax(24rem, 1.26fr);
}
.studio-results-section {
    margin-top: 1.5rem;
}
.studio-status-panel {
    display: grid;
    grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
    gap: 1.5rem;
    align-items: start;
}
#artifactPanel {
    grid-column: 1 / -1;
}
.studio-build-workspace {
    display: grid;
    gap: 1rem;
}
.studio-build-workspace-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}
.studio-build-workspace-head .panel-title {
    margin-bottom: 0.35rem;
}
.studio-build-workspace-head p {
    margin: 0;
    color: var(--studio-text-muted);
    font-size: 0.82rem;
    line-height: 1.5;
}
.studio-build-workspace-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: flex-end;
}
.studio-build-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(9rem, 0.38fr);
    gap: 0.75rem;
}
.studio-build-toolbar label {
    display: grid;
    gap: 0.35rem;
    color: var(--studio-text-muted);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.02em;
}
.studio-build-toolbar input,
.studio-build-toolbar select {
    width: 100%;
    box-sizing: border-box;
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: var(--studio-surface);
    color: var(--studio-text);
    padding: 0.62rem 0.75rem;
    font: inherit;
}
.studio-build-toolbar input:focus,
.studio-build-toolbar select:focus {
    outline: none;
    border-color: var(--studio-primary);
    box-shadow: 0 0 0 3px var(--studio-primary-glow);
}
.build-group {
    display: grid;
    gap: 0.55rem;
}
.build-group + .build-group {
    border-top: 1px solid var(--studio-border);
    padding-top: 0.85rem;
}
.build-group-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    color: var(--studio-text);
    font-size: 0.82rem;
    font-weight: 800;
}
.build-group-title span {
    color: var(--studio-text-muted);
    font-size: 0.74rem;
    font-weight: 700;
}
.task-item-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    color: var(--studio-text-muted);
    font-size: 0.72rem;
}
.task-item-attention {
    display: block;
    color: var(--studio-danger, #b42318);
    font-size: 0.74rem;
    line-height: 1.35;
}
.task-item-attention em {
    display: block;
    color: var(--studio-text-muted);
    font-style: normal;
    margin-top: 0.12rem;
}
.build-workspace-footnote {
    margin: 0;
    color: var(--studio-text-muted);
    font-size: 0.76rem;
    line-height: 1.45;
}
@media (max-width: 900px) {
    .studio-agent-team,
    .studio-compose-grid,
    .studio-status-panel {
        grid-template-columns: 1fr;
    }
    .studio-agent-team-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    #artifactPanel {
        grid-column: auto;
    }
    .studio-build-workspace-head,
    .studio-build-workspace-links {
        justify-content: flex-start;
    }
    .studio-build-workspace-head {
        flex-direction: column;
    }
    .studio-build-toolbar {
        grid-template-columns: 1fr;
    }
}
@media (max-width: 620px) {
    .studio-agent-team-grid {
        grid-template-columns: 1fr;
    }
}

/* ─── Glass Cards ──────────────────────────────────────────── */
.glass-card {
    background: var(--studio-surface);
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    padding: 1.5rem;
    backdrop-filter: blur(16px);
    box-shadow: var(--studio-shadow);
    transition: border-color 0.3s ease;
}
.glass-card:hover { border-color: rgba(255,255,255,0.12); }
.panel-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--studio-text);
    margin-bottom: 1rem;
}

/* ─── Studio Brief Builder ─────────────────────────────────── */
.studio-brief-builder {
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    background: var(--studio-surface);
    padding: 1.35rem;
    box-shadow: var(--studio-shadow);
    min-width: 0;
}
.brief-builder-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.85rem;
}
.brief-builder-kicker {
    display: inline-block;
    color: var(--studio-primary);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: 0.2rem;
}
.brief-builder-header h3 {
    color: var(--studio-text);
    font-size: 1rem;
    margin: 0 0 0.25rem;
}
.brief-builder-header p {
    color: var(--studio-text-muted);
    font-size: 0.82rem;
    line-height: 1.45;
    margin: 0;
}
.brief-step-count {
    flex: 0 0 auto;
    color: var(--studio-primary);
    border: 1px solid rgba(19,155,143,0.35);
    border-radius: 999px;
    padding: 0.25rem 0.55rem;
    font-size: 0.76rem;
    font-weight: 800;
}
.brief-stepper {
    display: grid;
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 0.4rem;
    margin-bottom: 1rem;
}
.brief-stepper button {
    min-width: 0;
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    background: var(--studio-surface);
    color: var(--studio-text-muted);
    font-size: 0.74rem;
    font-weight: 800;
    padding: 0.45rem 0.35rem;
    cursor: pointer;
}
.brief-stepper button.active,
.brief-stepper button:hover,
.brief-stepper button:focus {
    color: #fff;
    background: var(--studio-primary);
    border-color: var(--studio-primary);
    outline: none;
}
.brief-builder-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}
.brief-question-stack {
    min-width: 0;
}
.brief-step-panel {
    display: none;
}
.brief-step-panel.active {
    display: grid;
    gap: 0.8rem;
}
.studio-input,
.studio-select,
.studio-textarea-sm {
    width: 100%;
    box-sizing: border-box;
    margin-top: 0.25rem;
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    background: rgba(0,0,0,0.025);
    color: var(--studio-text);
    font: inherit;
    font-size: 0.86rem;
    padding: 0.58rem 0.65rem;
}
.studio-textarea-sm {
    min-height: 5.25rem;
    resize: vertical;
    line-height: 1.45;
}
.studio-input:focus,
.studio-select:focus,
.studio-textarea-sm:focus {
    outline: none;
    border-color: var(--studio-primary);
    box-shadow: 0 0 0 3px var(--studio-primary-glow);
}
.brief-check-group {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem 0.65rem;
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    padding: 0.75rem;
    margin: 0;
}
.brief-check-group legend {
    color: var(--studio-text);
    font-size: 0.78rem;
    font-weight: 800;
    padding: 0 0.35rem;
}
.brief-check-group label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--studio-text-muted);
    font-size: 0.78rem;
    line-height: 1.3;
}
.brief-builder-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.85rem;
}
.studio-brief-builder.is-freeform-mode .brief-stepper,
.studio-brief-builder.is-freeform-mode .brief-question-stack {
    display: none;
}
.studio-brief-builder.is-freeform-mode .brief-builder-header {
    margin-bottom: 0.75rem;
}
.studio-brief-builder.is-freeform-mode .brief-builder-header p::after {
    content: " In free-form mode, the preflight agent fills this contract from the prompt before the development agents build.";
}
.brief-contract-card {
    min-width: 0;
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: rgba(15,23,42,0.045);
    overflow: hidden;
}
html.dark .brief-contract-card {
    background: rgba(0,0,0,0.2);
}
.brief-contract-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    border-bottom: 1px solid var(--studio-border);
    padding: 0.65rem 0.75rem;
    color: var(--studio-text);
    font-size: 0.78rem;
    font-weight: 800;
}
.brief-contract-header strong {
    color: var(--studio-success);
    font-size: 0.72rem;
}
#briefContractPreview {
    min-height: 9rem;
    max-height: 13rem;
    overflow: auto;
    margin: 0;
    padding: 0.75rem;
    color: var(--studio-text);
    font: 0.72rem/1.45 'JetBrains Mono', 'Fira Code', monospace;
    white-space: pre-wrap;
}
@media (max-width: 620px) {
    .studio-authoring-mode,
    .authoring-mode-options,
    .studio-compose-grid.is-freeform-mode {
        grid-template-columns: 1fr;
    }
    .brief-builder-header { flex-direction: column; }
    .brief-stepper { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .brief-check-group { grid-template-columns: 1fr; }
}

/* ─── Prompt Input ─────────────────────────────────────────── */
.studio-prompt-panel {
    min-width: 0;
}
.prompt-form {
    display: flex;
    flex-direction: column;
}
.prompt-input-wrapper { position: relative; margin-bottom: 0.75rem; }
.prompt-input-wrapper textarea {
    width: 100%;
    background: rgba(0,0,0,0.03);
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    color: var(--studio-text);
    font-family: 'Inter', sans-serif;
    font-size: 0.95rem;
    padding: 1rem;
    resize: vertical;
    min-height: 220px;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    line-height: 1.6;
    box-sizing: border-box;
}
.prompt-input-wrapper textarea:focus {
    outline: none;
    border-color: var(--studio-primary);
    box-shadow: 0 0 0 3px var(--studio-primary-glow);
}
.prompt-input-wrapper textarea::placeholder { color: var(--studio-text-dim); }
.char-count {
    position: absolute;
    bottom: 0.5rem;
    right: 0.75rem;
    font-size: 0.75rem;
    color: var(--studio-text-dim);
}
.prompt-matrix-notice {
    margin: 0 0 0.9rem;
    padding: 0.75rem 0.85rem;
    border: 1px solid rgba(245, 158, 11, 0.28);
    border-radius: var(--studio-radius-sm);
    background: rgba(245, 158, 11, 0.08);
    color: var(--studio-text);
    font-size: 0.8rem;
    line-height: 1.45;
}
.prompt-matrix-notice[hidden] {
    display: none;
}
.prompt-matrix-notice strong {
    display: block;
    margin-bottom: 0.15rem;
    color: #92400e;
    font-size: 0.76rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}
html.dark .prompt-matrix-notice strong {
    color: #fbbf24;
}
.studio-credit-estimate {
    display: grid;
    gap: 0.25rem;
    margin: 0 0 0.9rem;
    padding: 0.75rem 0.85rem;
    border: 1px solid rgba(19,155,143,0.26);
    border-radius: var(--studio-radius-sm);
    background: rgba(19,155,143,0.07);
    color: var(--studio-text);
    font-size: 0.82rem;
    line-height: 1.45;
}
.studio-credit-estimate.compact {
    margin: 0.75rem 0;
    padding: 0.65rem 0.75rem;
}
.studio-credit-estimate strong {
    display: block;
    margin-bottom: 0.15rem;
    color: var(--studio-primary);
    font-size: 0.74rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.studio-credit-estimate span {
    display: block;
    color: var(--studio-text);
    font-weight: 700;
}
.studio-credit-estimate small {
    color: var(--studio-text-muted);
    font-size: 0.75rem;
}
.studio-credit-estimate.is-warning {
    border-color: rgba(245,158,11,0.38);
    background: rgba(245,158,11,0.08);
}
.studio-credit-estimate.is-danger {
    border-color: rgba(239,68,68,0.34);
    background: rgba(239,68,68,0.08);
}
.studio-preflight-check {
    display: grid;
    gap: 0.45rem;
    margin: 0 0 0.9rem;
    padding: 0.8rem 0.9rem;
    border: 1px solid rgba(59,130,246,0.22);
    border-radius: var(--studio-radius-sm);
    background: rgba(59,130,246,0.06);
    color: var(--studio-text);
    font-size: 0.82rem;
    line-height: 1.45;
}
.studio-preflight-check strong {
    display: block;
    margin-bottom: 0.15rem;
    color: #1d4ed8;
    font-size: 0.74rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.studio-preflight-check span {
    display: block;
    color: var(--studio-text);
    font-weight: 700;
}
.studio-preflight-check ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.studio-preflight-check li {
    position: relative;
    padding-left: 1rem;
    color: var(--studio-text-muted);
    font-size: 0.76rem;
}
.studio-preflight-check li + li { margin-top: 0.25rem; }
.studio-preflight-check li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.58em;
    width: 6px;
    height: 6px;
    border-radius: 999px;
    background: currentColor;
    opacity: 0.6;
}
.studio-preflight-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem;
    margin-top: 0.15rem;
    padding-top: 0.65rem;
    border-top: 1px solid rgba(15,23,42,0.08);
}
.studio-preflight-actions[hidden] {
    display: none;
}
.studio-preflight-actions span {
    color: var(--studio-text-muted);
    font-size: 0.74rem;
    font-weight: 700;
}
.studio-preflight-check.is-ready {
    border-color: rgba(34,197,94,0.28);
    background: rgba(34,197,94,0.07);
}
.studio-preflight-check.is-ready strong { color: #15803d; }
.studio-preflight-check.is-review {
    border-color: rgba(245,158,11,0.32);
    background: rgba(245,158,11,0.08);
}
.studio-preflight-check.is-review strong { color: #92400e; }
.studio-preflight-check.is-blocked {
    border-color: rgba(239,68,68,0.36);
    background: rgba(239,68,68,0.08);
}
.studio-preflight-check.is-blocked strong { color: #b91c1c; }
html.dark .studio-preflight-check strong { color: #93c5fd; }
html.dark .studio-preflight-check.is-ready strong { color: #86efac; }
html.dark .studio-preflight-check.is-review strong { color: #fbbf24; }
html.dark .studio-preflight-check.is-blocked strong { color: #fca5a5; }
html.dark .studio-preflight-actions {
    border-color: rgba(148,163,184,0.18);
}
.studio-live-spec-canvas {
    display: grid;
    gap: 0.75rem;
    margin: 0 0 0.9rem;
    padding: 0.9rem;
    border: 1px solid rgba(19,155,143,0.28);
    border-radius: var(--studio-radius-sm);
    background:
        linear-gradient(135deg, rgba(19,155,143,0.08), rgba(37,99,235,0.055)),
        var(--studio-surface);
    box-shadow: 0 10px 28px rgba(15,23,42,0.06);
}
.studio-live-spec-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
}
.studio-live-spec-header strong {
    display: block;
    color: var(--studio-primary);
    font-size: 0.74rem;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
.studio-live-spec-header span {
    display: block;
    color: var(--studio-text-muted);
    font-size: 0.78rem;
    line-height: 1.4;
}
#studioLiveSpecState {
    flex: 0 0 auto;
    border: 1px solid rgba(15,23,42,0.12);
    border-radius: 999px;
    background: rgba(255,255,255,0.78);
    color: var(--studio-text);
    font-size: 0.7rem;
    font-weight: 800;
    line-height: 1;
    padding: 0.38rem 0.55rem;
}
.studio-live-spec-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.65rem;
}
.studio-live-spec-grid article {
    min-width: 0;
    border: 1px solid rgba(15,23,42,0.08);
    border-radius: var(--studio-radius-sm);
    background: rgba(255,255,255,0.72);
    padding: 0.72rem;
}
.studio-live-spec-grid small {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--studio-text);
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.045em;
    text-transform: uppercase;
}
.studio-live-spec-grid p {
    margin: 0;
    color: var(--studio-text-muted);
    font-size: 0.78rem;
    line-height: 1.45;
}
.studio-live-spec-proof-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.65rem;
}
.studio-live-spec-proof-grid article {
    min-width: 0;
    border: 1px solid rgba(19,155,143,0.14);
    border-radius: var(--studio-radius-sm);
    background: rgba(232,247,245,0.55);
    padding: 0.72rem;
}
.studio-live-spec-proof-grid small {
    display: block;
    margin-bottom: 0.3rem;
    color: var(--studio-primary);
    font-size: 0.68rem;
    font-weight: 900;
    letter-spacing: 0.045em;
    text-transform: uppercase;
}
.studio-live-spec-proof-grid p {
    margin: 0;
    color: var(--studio-text-muted);
    font-size: 0.76rem;
    line-height: 1.42;
}
.studio-live-spec-chipline {
    display: flex;
    flex-wrap: wrap;
    gap: 0.38rem;
    color: var(--studio-text-muted);
    font-size: 0.74rem;
    line-height: 1.35;
}
.studio-live-spec-chip {
    display: inline-flex;
    align-items: center;
    max-width: 100%;
    border: 1px solid rgba(19,155,143,0.18);
    border-radius: 999px;
    background: rgba(255,255,255,0.78);
    color: var(--studio-primary);
    font-size: 0.7rem;
    font-weight: 850;
    line-height: 1.2;
    padding: 0.3rem 0.48rem;
}
.studio-live-spec-editor {
    display: grid;
    gap: 0.75rem;
    border: 1px solid rgba(15,23,42,0.1);
    border-radius: var(--studio-radius-sm);
    background: rgba(255,255,255,0.76);
    padding: 0.78rem;
}
.studio-live-spec-editor[hidden] {
    display: none;
}
.studio-live-spec-editor-header,
.studio-live-spec-editor-actions {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0.75rem;
}
.studio-live-spec-editor-header strong {
    display: block;
    color: var(--studio-text);
    font-size: 0.78rem;
}
.studio-live-spec-editor-header span,
.studio-live-spec-editor-actions span {
    color: var(--studio-text-muted);
    font-size: 0.74rem;
    line-height: 1.35;
}
#studioLiveSpecEditStatus {
    max-width: 100%;
    border: 1px solid rgba(19,155,143,0.24);
    border-radius: 999px;
    background: rgba(232,247,245,0.8);
    color: var(--studio-primary);
    font-weight: 800;
    padding: 0.28rem 0.5rem;
    white-space: normal;
}
.studio-live-spec-editor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: 0.65rem;
}
.studio-live-spec-editor-grid > label,
.studio-live-spec-editor-grid fieldset {
    min-width: 0;
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    background: var(--studio-surface);
    padding: 0.62rem;
}
.studio-live-spec-editor-grid label span,
.studio-live-spec-editor-grid legend {
    display: block;
    margin-bottom: 0.4rem;
    color: var(--studio-text);
    font-size: 0.72rem;
    font-weight: 900;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}
.studio-live-spec-editor-grid select {
    width: 100%;
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    background: var(--studio-surface);
    color: var(--studio-text);
    padding: 0.58rem 0.65rem;
}
.studio-live-spec-checks {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.38rem 0.55rem;
}
.studio-live-spec-checks label {
    display: flex;
    align-items: flex-start;
    gap: 0.35rem;
    color: var(--studio-text-muted);
    font-size: 0.74rem;
    line-height: 1.25;
}
.studio-live-spec-checks input {
    margin-top: 0.12rem;
}
.studio-live-spec-editor-actions {
    align-items: center;
    justify-content: flex-start;
}
.studio-live-spec-canvas.is-ready {
    border-color: rgba(34,197,94,0.34);
    background:
        linear-gradient(135deg, rgba(34,197,94,0.08), rgba(19,155,143,0.06)),
        var(--studio-surface);
}
.studio-live-spec-canvas.is-ready #studioLiveSpecState {
    border-color: rgba(34,197,94,0.25);
    background: rgba(220,252,231,0.82);
    color: #15803d;
}
.studio-live-spec-canvas.is-review {
    border-color: rgba(245,158,11,0.34);
    background:
        linear-gradient(135deg, rgba(245,158,11,0.08), rgba(37,99,235,0.045)),
        var(--studio-surface);
}
.studio-live-spec-canvas.is-review #studioLiveSpecState {
    border-color: rgba(245,158,11,0.28);
    background: rgba(254,243,199,0.86);
    color: #92400e;
}
.studio-live-spec-canvas.is-blocked {
    border-color: rgba(239,68,68,0.34);
    background:
        linear-gradient(135deg, rgba(239,68,68,0.08), rgba(37,99,235,0.04)),
        var(--studio-surface);
}
.studio-live-spec-canvas.is-blocked #studioLiveSpecState {
    border-color: rgba(239,68,68,0.28);
    background: rgba(254,226,226,0.86);
    color: #b91c1c;
}
html.dark .studio-live-spec-canvas {
    background: linear-gradient(135deg, rgba(19,155,143,0.14), rgba(37,99,235,0.11)), rgba(15,23,42,0.5);
}
html.dark .studio-live-spec-grid article,
html.dark .studio-live-spec-proof-grid article,
html.dark #studioLiveSpecState,
html.dark .studio-live-spec-editor,
html.dark .studio-live-spec-editor-grid > label,
html.dark .studio-live-spec-editor-grid fieldset {
    background: rgba(15,23,42,0.62);
    border-color: rgba(148,163,184,0.16);
}
html.dark .studio-live-spec-chip {
    background: rgba(15,23,42,0.7);
    border-color: rgba(45,212,191,0.22);
    color: #93c5fd;
}
@media (max-width: 720px) {
    .studio-live-spec-grid,
    .studio-live-spec-proof-grid {
        grid-template-columns: 1fr;
    }
    .studio-live-spec-editor-grid,
    .studio-live-spec-checks {
        grid-template-columns: 1fr;
    }
    .studio-live-spec-header {
        flex-direction: column;
    }
    .studio-live-spec-editor-header,
    .studio-live-spec-editor-actions {
        flex-direction: column;
    }
}
.prompt-input-toolbar {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
    margin: -0.25rem 0 0.75rem;
}
.voice-input-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: var(--studio-surface);
    color: var(--studio-text);
    font-weight: 700;
    font-size: 0.82rem;
    padding: 0.55rem 0.75rem;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease;
}
.voice-input-btn:hover,
.voice-input-btn:focus {
    border-color: var(--studio-primary);
    color: var(--studio-primary);
    outline: none;
}
.voice-input-btn.is-listening {
    background: rgba(19,155,143,0.12);
    border-color: var(--studio-primary);
    color: var(--studio-primary);
}
.voice-input-btn:disabled {
    cursor: not-allowed;
    opacity: 0.55;
}
.voice-status {
    min-height: 1rem;
    color: var(--studio-text-muted);
    font-size: 0.78rem;
}

/* ─── Creator Control Map ──────────────────────────────────── */
.creator-control-map {
    padding: 1rem;
    margin: 1rem 0;
    background: rgba(255,255,255,0.035);
}
.control-map-header {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin-bottom: 0.75rem;
}
.control-map-header h3 {
    font-size: 0.95rem;
    margin: 0;
    color: var(--studio-text);
}
.control-map-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.75rem;
}
.control-field {
    min-width: 0;
    font-size: 0.82rem;
    color: var(--studio-text-muted);
}
.control-label-row {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
}
.field-help {
    position: relative;
    display: inline-grid;
    place-items: center;
    width: 1rem;
    height: 1rem;
    border-radius: 999px;
    border: 1px solid var(--studio-border);
    color: var(--studio-text-muted);
    background: rgba(255,255,255,0.045);
    font-size: 0.68rem;
    font-weight: 800;
    line-height: 1;
    cursor: help;
    user-select: none;
}
.field-help::before,
.field-help::after {
    position: absolute;
    left: 50%;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translate(-50%, 0.25rem);
    transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s ease;
    z-index: 200;
}
.field-help::after {
    content: attr(data-tooltip);
    bottom: calc(100% + 0.55rem);
    width: max-content;
    max-width: min(19rem, 72vw);
    padding: 0.65rem 0.75rem;
    border: 1px solid rgba(19,155,143,0.35);
    border-radius: var(--studio-radius-sm);
    background: #101827;
    color: #fff;
    box-shadow: 0 14px 34px rgba(15,23,42,0.24);
    font-size: 0.76rem;
    font-weight: 600;
    line-height: 1.45;
    text-align: left;
    white-space: normal;
}
.field-help::before {
    content: '';
    bottom: calc(100% + 0.28rem);
    width: 0.55rem;
    height: 0.55rem;
    background: #101827;
    border-right: 1px solid rgba(19,155,143,0.35);
    border-bottom: 1px solid rgba(19,155,143,0.35);
    rotate: 45deg;
}
.field-help:hover,
.field-help:focus,
.field-help.is-open {
    color: #fff;
    background: var(--studio-primary);
    border-color: var(--studio-primary);
    outline: none;
}
.field-help:hover::before,
.field-help:hover::after,
.field-help:focus::before,
.field-help:focus::after,
.field-help.is-open::before,
.field-help.is-open::after {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, 0);
}
@media (max-width: 620px) {
    .control-map-grid { grid-template-columns: 1fr; }
    .field-help::before,
    .field-help::after {
        left: 0;
        transform: translate(0, 0.25rem);
    }
    .field-help:hover::before,
    .field-help:hover::after,
    .field-help:focus::before,
    .field-help:focus::after,
    .field-help.is-open::before,
    .field-help.is-open::after {
        transform: translate(0, 0);
    }
}

/* ─── Dropzone ─────────────────────────────────────────────── */
.dropzone {
    border: 2px dashed var(--studio-border);
    border-radius: var(--studio-radius-sm);
    padding: 1rem;
    text-align: center;
    color: var(--studio-text-dim);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}
.dropzone span {
    display: inline-flex;
    flex-direction: column;
    gap: 0.15rem;
}
.dropzone strong {
    color: inherit;
    font-size: 0.88rem;
}
.dropzone small {
    color: var(--studio-text-muted);
    font-size: 0.76rem;
    line-height: 1.35;
}
.dropzone:hover, .dropzone.dragover {
    border-color: var(--studio-primary);
    background: rgba(19,155,143,0.05);
    color: var(--studio-primary);
}
.attachment-preview {
    padding: 0.6rem;
    background: rgba(19,155,143,0.1);
    border-radius: var(--studio-radius-sm);
    font-size: 0.85rem;
    color: var(--studio-primary);
    margin-bottom: 1rem;
    display: grid;
    gap: 0.45rem;
}
.attachment-preview-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    color: var(--studio-text);
}
.attachment-preview-name {
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.attachment-preview-meta {
    color: var(--studio-text-muted);
    font-size: 0.75rem;
    white-space: nowrap;
}
.attachment-preview-actions {
    display: flex;
    justify-content: flex-end;
    border-top: 1px solid rgba(19,155,143,0.18);
    padding-top: 0.45rem;
}

/* ─── FAQ Modal ────────────────────────────────────────────── */
body.studio-modal-open {
    overflow: hidden;
}
.studio-modal-backdrop[hidden] {
    display: none;
}
.studio-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: grid;
    align-items: start;
    justify-items: center;
    overflow: auto;
    padding: clamp(0.75rem, 4vh, 2rem) 1rem;
    background: rgba(15,23,42,0.48);
    backdrop-filter: blur(8px);
}
.studio-modal {
    position: relative;
    width: min(720px, 100%);
    max-height: calc(100dvh - 1.5rem);
    overflow: auto;
    box-sizing: border-box;
    overscroll-behavior: contain;
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius);
    background: var(--studio-surface);
    box-shadow: 0 24px 60px rgba(15,23,42,0.28);
    padding: 1.5rem;
}
.studio-modal:focus {
    outline: 3px solid var(--studio-primary-glow);
}
.studio-modal-close {
    position: absolute;
    top: 0.85rem;
    right: 0.85rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: transparent;
    color: var(--studio-text-muted);
    cursor: pointer;
}
.studio-modal-close:hover,
.studio-modal-close:focus {
    border-color: var(--studio-primary);
    color: var(--studio-primary);
    outline: none;
}
.studio-faq-modal h2 {
    color: var(--studio-text);
    font-size: 1.2rem;
    margin: 0 2.5rem 1rem 0;
}
.studio-faq-modal details {
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    margin-bottom: 0.5rem;
    background: rgba(255,255,255,0.025);
}
.studio-faq-modal summary {
    cursor: pointer;
    color: var(--studio-text);
    font-weight: 700;
    font-size: 0.86rem;
    padding: 0.75rem 0.85rem;
}
.studio-faq-modal details[open] summary {
    border-bottom: 1px solid var(--studio-border);
}
.studio-faq-modal p {
    margin: 0;
    padding: 0.75rem 0.85rem;
    color: var(--studio-text-muted);
    font-size: 0.82rem;
    line-height: 1.55;
}

/* ─── Buttons ──────────────────────────────────────────────── */
.btn-lg { padding: 0.75rem 2rem; font-size: 1rem; }
.btn-sm { padding: 0.3rem 0.75rem; font-size: 0.8rem; }
.btn-ghost {
    background: transparent;
    border: 1px solid var(--studio-border);
    color: var(--studio-text-muted);
    padding: 0.5rem 1rem;
    border-radius: var(--studio-radius-sm);
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.25s ease;
}
.btn-ghost:hover { border-color: var(--studio-text-muted); color: var(--studio-text); }
.prompt-actions { display: flex; gap: 0.75rem; align-items: center; }
.prompt-actions .btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.prompt-inline-status {
    min-height: 1.2rem;
    margin-top: 0.75rem;
    color: var(--studio-text-muted);
    font-size: 0.82rem;
    line-height: 1.45;
}
.prompt-inline-status.is-error {
    color: var(--studio-danger);
    font-weight: 700;
}
.prompt-inline-status.is-success {
    color: var(--studio-success);
    font-weight: 700;
}
.prompt-inline-status.is-info {
    color: var(--studio-text-muted);
}

/* ─── Progress Pipeline ───────────────────────────────────── */
.progress-phases {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.25rem;
    margin-bottom: 1rem;
    overflow-x: auto;
    padding-bottom: 0.2rem;
}
.phase {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    min-width: 4.8rem;
    opacity: 0.4;
    transition: all 0.5s ease;
}
.phase.active { opacity: 1; }
.phase.completed { opacity: 0.8; }
.phase-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    border: 1px solid var(--studio-border);
    background: var(--studio-surface);
    color: var(--studio-text-muted);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
}
.phase-icon svg {
    width: 18px;
    height: 18px;
}
.phase.active .phase-icon {
    border-color: rgba(19,155,143,0.45);
    background: rgba(19,155,143,0.12);
    color: var(--studio-primary);
    box-shadow: 0 0 0 3px rgba(19,155,143,0.08);
}
.phase.completed .phase-icon {
    border-color: rgba(34,197,94,0.45);
    background: rgba(34,197,94,0.12);
    color: var(--studio-success);
}
.phase-label {
    color: var(--studio-text);
    font-size: 0.7rem;
    font-weight: 800;
    text-align: center;
}
.phase-subtitle {
    color: var(--studio-text-muted);
    font-size: 0.6rem;
    line-height: 1.15;
    min-height: 1.4em;
    text-align: center;
}
.phase-connector {
    flex: 1;
    min-width: 1rem;
    height: 2px;
    background: var(--studio-border);
    margin: 0 0.25rem;
    position: relative;
    top: -0.5rem;
}
.progress-bar-container {
    width: 100%;
    height: 4px;
    background: var(--studio-border);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}
.progress-bar {
    height: 100%;
    background: var(--studio-gradient);
    border-radius: 4px;
    transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.progress-label {
    font-size: 0.85rem;
    color: var(--studio-text-muted);
    text-align: center;
}
.studio-build-team-status {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.5rem;
    margin-top: 0.85rem;
}
.build-agent-step {
    align-items: flex-start;
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    display: grid;
    gap: 0.12rem 0.45rem;
    grid-template-columns: auto minmax(0, 1fr);
    padding: 0.65rem;
    opacity: 0.62;
    transition: border-color 0.2s ease, background 0.2s ease, opacity 0.2s ease;
}
.build-agent-step strong {
    color: var(--studio-text);
    display: block;
    font-size: 0.75rem;
    line-height: 1.25;
}
.build-agent-step span:not(.agent-status-dot) {
    color: var(--studio-text-muted);
    display: block;
    font-size: 0.68rem;
    grid-column: 2;
    line-height: 1.35;
}
.agent-status-dot {
    border: 1px solid var(--studio-border);
    border-radius: 999px;
    display: inline-block;
    height: 0.62rem;
    margin-top: 0.18rem;
    width: 0.62rem;
}
.build-agent-step.active {
    background: rgba(19,155,143,0.08);
    border-color: rgba(19,155,143,0.38);
    opacity: 1;
}
.build-agent-step.active .agent-status-dot {
    background: var(--studio-primary);
    border-color: var(--studio-primary);
    box-shadow: 0 0 0 3px rgba(19,155,143,0.1);
}
.build-agent-step.completed {
    background: rgba(34,197,94,0.07);
    border-color: rgba(34,197,94,0.28);
    opacity: 0.9;
}
.build-agent-step.completed .agent-status-dot {
    background: var(--studio-success);
    border-color: var(--studio-success);
}
.progress-actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.75rem;
}
.pulse-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    background: var(--studio-success);
    animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}
@media (max-width: 720px) {
    .studio-build-team-status {
        grid-template-columns: 1fr;
    }
}

/* ─── Task List ────────────────────────────────────────────── */
.task-list { max-height: 300px; overflow-y: auto; }
.task-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
    padding: 0.75rem;
    border-radius: var(--studio-radius-sm);
    border: 1px solid var(--studio-border);
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: all 0.25s ease;
}
.task-item:hover { background: var(--studio-surface-hover); border-color: var(--studio-primary); }
.task-item-main {
    min-width: 0;
    display: grid;
    gap: 0.25rem;
    flex: 1 1 auto;
}
.task-item-title {
    font-size: 0.85rem;
    color: var(--studio-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    font-weight: 750;
}
.task-status-badge {
    padding: 0.2rem 0.5rem;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
.task-submission-badge {
    border: 1px solid var(--studio-border);
    border-radius: 999px;
    padding: 0.24rem 0.55rem;
    color: var(--studio-text-muted);
    background: var(--studio-surface);
    font-size: 0.7rem;
    font-weight: 800;
    white-space: nowrap;
}
.task-submission-badge.is-building,
.task-submission-badge.is-submitted {
    border-color: rgba(37, 99, 235, 0.28);
    color: var(--studio-primary);
    background: rgba(37, 99, 235, 0.08);
}
.task-submission-badge.is-ready,
.task-submission-badge.is-pending_review {
    border-color: rgba(245, 158, 11, 0.32);
    color: #9a5a00;
    background: rgba(245, 158, 11, 0.1);
}
.task-submission-badge.is-accepted,
.task-submission-badge.is-live {
    border-color: rgba(34, 197, 94, 0.34);
    color: #15803d;
    background: rgba(34, 197, 94, 0.1);
}
.task-submission-badge.is-needs_changes {
    border-color: rgba(239, 68, 68, 0.35);
    color: var(--studio-danger);
    background: rgba(239, 68, 68, 0.08);
}
.task-preview-btn {
    border: 1px solid var(--studio-primary);
    border-radius: 999px;
    background: var(--studio-primary);
    color: #fff;
    padding: 0.25rem 0.55rem;
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
}
.task-preview-btn:hover { filter: brightness(0.96); }
.badge-done { background: rgba(34,197,94,0.15); color: var(--studio-success); }
.badge-pending { background: rgba(245,158,11,0.15); color: var(--studio-warning); }
.badge-error { background: rgba(239,68,68,0.15); color: var(--studio-danger); }
.badge-cancelled { background: rgba(100,116,139,0.15); color: var(--studio-text-muted); }
.badge-active { background: rgba(19,155,143,0.15); color: var(--studio-primary); }
.task-empty { text-align: center; padding: 2rem 1rem; color: var(--studio-text-dim); font-size: 0.85rem; }

/* ─── Artifact Gallery ─────────────────────────────────────── */
.artifact-tabs { display: flex; gap: 0; margin-bottom: 1rem; border-bottom: 1px solid var(--studio-border); }
.tab {
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    color: var(--studio-text-muted);
    font-size: 0.85rem;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.25s ease;
}
.tab:hover { color: var(--studio-text); }
.tab.active { color: var(--studio-primary); border-bottom-color: var(--studio-primary); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.creator-plan {
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: rgba(255,255,255,0.05);
    padding: 1rem;
    margin-bottom: 0.9rem;
}
.creator-plan-empty {
    color: var(--studio-text-muted);
    margin: 0;
}
.creator-plan-header {
    border-bottom: 1px solid var(--studio-border);
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
}
.creator-plan-header span {
    color: var(--studio-primary);
    display: block;
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.04em;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
}
.creator-plan-header h4 {
    color: var(--studio-text);
    font-size: 1.05rem;
    margin: 0 0 0.25rem;
}
.creator-plan-header p {
    color: var(--studio-text-muted);
    line-height: 1.55;
    margin: 0;
}
.creator-plan-grid {
    display: grid;
    gap: 0.75rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.creator-plan-section {
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: var(--studio-surface);
    padding: 0.85rem;
}
.creator-plan-section h4 {
    color: var(--studio-text);
    font-size: 0.9rem;
    margin: 0 0 0.35rem;
}
.creator-plan-section p,
.creator-plan-section li {
    color: var(--studio-text-muted);
    font-size: 0.82rem;
    line-height: 1.5;
}
.creator-plan-section p { margin: 0; }
.creator-plan-section ul {
    margin: 0.45rem 0 0;
    padding-left: 1rem;
}
.developer-plan-details {
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: rgba(255,255,255,0.035);
    overflow: hidden;
}
.developer-plan-details summary {
    color: var(--studio-text);
    cursor: pointer;
    font-size: 0.82rem;
    font-weight: 800;
    padding: 0.75rem 1rem;
}
.tab-pane pre {
    background: rgba(0,0,0,0.05);
    border-radius: var(--studio-radius-sm);
    padding: 1rem;
    font-size: 0.8rem;
    color: var(--studio-text-muted);
    overflow-x: auto;
    white-space: pre-wrap;
    line-height: 1.6;
    max-height: 400px;
}
.developer-plan-details pre {
    border-radius: 0;
    border-top: 1px solid var(--studio-border);
    margin: 0;
}
.tab-pane textarea {
    width: 100%;
    background: rgba(0,0,0,0.05);
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    color: var(--studio-text);
    font-family: 'Inter', sans-serif;
    font-size: 0.9rem;
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    resize: vertical;
    box-sizing: border-box;
}
.tab-pane textarea:focus { outline: none; border-color: var(--studio-primary); }

@media (max-width: 760px) {
    .creator-plan-grid { grid-template-columns: 1fr; }
}

.studio-preview-shell {
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: rgba(255,255,255,0.035);
    overflow: hidden;
}
.studio-preview-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    border-bottom: 1px solid var(--studio-border);
    padding: 0.8rem;
}
.studio-preview-toolbar strong {
    display: block;
    color: var(--studio-text);
    font-size: 0.9rem;
}
.studio-preview-toolbar span {
    display: block;
    color: var(--studio-text-muted);
    font-size: 0.78rem;
    margin-top: 0.15rem;
}
.studio-preview-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.studio-preview-actions .btn-ghost,
.studio-preview-actions .btn-primary {
    white-space: nowrap;
}
.studio-preview-actions .btn-ghost.is-disabled {
    opacity: 0.45;
    pointer-events: none;
}
.studio-preview-viewport-label {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--studio-text-muted);
    font-size: 0.74rem;
    font-weight: 800;
}
.studio-preview-viewport-label .studio-select {
    min-width: 120px;
    padding: 0.38rem 0.55rem;
}
.studio-preview-health {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    padding: 0.65rem 0.8rem;
    border-bottom: 1px solid var(--studio-border);
}
.preview-health-pill {
    border: 1px solid var(--studio-border);
    border-radius: 999px;
    color: var(--studio-text-muted);
    background: var(--studio-surface);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.25rem 0.55rem;
}
.preview-health-pill.pass {
    border-color: rgba(34,197,94,0.35);
    color: var(--studio-success);
    background: rgba(34,197,94,0.09);
}
.preview-health-pill.warn {
    border-color: rgba(245,158,11,0.35);
    color: var(--studio-warning);
    background: rgba(245,158,11,0.09);
}
.preview-health-pill.fail {
    border-color: rgba(239,68,68,0.35);
    color: var(--studio-danger);
    background: rgba(239,68,68,0.09);
}
.studio-preview-frame-wrap {
    position: relative;
    min-height: 480px;
    background: #f8fafc;
}
.studio-preview-frame {
    display: none;
    width: 100%;
    min-height: 480px;
    border: 0;
    background: #fff;
}
.studio-preview-frame.is-visible {
    display: block;
}
.studio-preview-placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    color: #475569;
    font-size: 0.9rem;
    line-height: 1.55;
    text-align: center;
}
.studio-preview-placeholder.is-error {
    color: #b91c1c;
    background: #fff7f7;
}
.studio-preview-screenshots {
    display: grid;
    gap: 0.55rem;
    border-top: 1px solid var(--studio-border);
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.55);
}
.studio-submission-shot {
    display: grid;
    grid-template-columns: 86px minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.65rem;
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: var(--studio-surface);
    padding: 0.45rem;
}
.studio-submission-shot img {
    width: 86px;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    object-position: top left;
    border-radius: 6px;
    border: 1px solid var(--studio-border);
}
.studio-submission-shot strong,
.studio-submission-shot span {
    display: block;
}
.studio-submission-shot strong {
    color: var(--studio-text);
    font-size: 0.78rem;
}
.studio-submission-shot span {
    color: var(--studio-text-muted);
    font-size: 0.74rem;
    line-height: 1.35;
}
.studio-submission-shot button {
    border: 1px solid var(--studio-border);
    border-radius: 999px;
    background: #fff;
    color: var(--studio-text);
    padding: 0.28rem 0.55rem;
    font-size: 0.7rem;
    font-weight: 800;
}
@media (max-width: 620px) {
    .studio-preview-toolbar {
        align-items: flex-start;
        flex-direction: column;
    }
    .studio-preview-actions {
        justify-content: flex-start;
    }
    .studio-submission-shot {
        grid-template-columns: 72px 1fr;
    }
    .studio-submission-shot button {
        grid-column: 2;
        justify-self: start;
    }
    .studio-preview-frame-wrap,
    .studio-preview-frame {
        min-height: 420px;
    }
}

.iteration-panel {
    display: grid;
    gap: 0.8rem;
}
.iteration-summary {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.85rem;
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: rgba(6,182,212,0.05);
}
.iteration-summary strong {
    font-size: 0.88rem;
    color: var(--studio-text);
}
.iteration-summary span,
.iteration-history {
    color: var(--studio-text-muted);
    font-size: 0.8rem;
    line-height: 1.45;
}
.iteration-label {
    color: var(--studio-text-muted);
    font-size: 0.78rem;
    font-weight: 700;
}
.iteration-select {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: var(--studio-surface);
    color: var(--studio-text);
    font: inherit;
}
.iteration-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
}
.iteration-chips button {
    border: 1px solid var(--studio-border);
    border-radius: 999px;
    background: var(--studio-surface);
    color: var(--studio-text-muted);
    padding: 0.45rem 0.7rem;
    font-size: 0.76rem;
    font-weight: 700;
    cursor: pointer;
}
.iteration-chips button:hover,
.iteration-chips button:focus {
    border-color: var(--studio-primary);
    color: var(--studio-primary);
    outline: none;
}
.iteration-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    align-items: center;
}
.iteration-history {
    min-height: 1.1rem;
}

.plugin-icon-submit-panel {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 0.85rem;
    align-items: center;
    margin-bottom: 1rem;
    padding: 0.85rem;
    border: 1px solid var(--studio-border);
    border-radius: var(--studio-radius-sm);
    background: rgba(255,255,255,0.035);
}
.plugin-icon-submit-preview {
    width: 74px;
    height: 74px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    overflow: hidden;
    color: #0f172a;
    background: linear-gradient(135deg, #139b8f, #0ea5e9);
    font-weight: 800;
    font-size: 1.1rem;
    letter-spacing: 0;
    box-shadow: 0 10px 28px rgba(15,23,42,0.18);
}
.plugin-icon-submit-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.plugin-icon-submit-controls p {
    margin: 0 0 0.65rem;
    color: var(--studio-text-muted);
    font-size: 0.8rem;
    line-height: 1.45;
}
.plugin-icon-submit-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}
.plugin-icon-upload-btn {
    display: inline-flex;
    align-items: center;
    cursor: pointer;
}
#submitPluginIconStatus {
    display: block;
    color: var(--studio-text-dim);
    font-size: 0.76rem;
}
.studio-submit-evidence-panel {
    display: grid;
    gap: 0.65rem;
    margin: 0 0 1rem;
    padding: 0.9rem;
    border: 1px solid rgba(19, 155, 143, 0.28);
    border-radius: var(--studio-radius-sm);
    background: linear-gradient(135deg, rgba(19, 155, 143, 0.08), rgba(37, 99, 235, 0.06));
}
.studio-submit-evidence-panel strong {
    display: block;
    color: var(--studio-text);
    margin-bottom: 0.25rem;
}
.studio-submit-evidence-panel p {
    margin: 0;
    color: var(--studio-text-muted);
    font-size: 0.8rem;
    line-height: 1.45;
}
#submitEvidenceStatus {
    display: inline-flex;
    width: fit-content;
    max-width: 100%;
    border-radius: 999px;
    background: #fff7ed;
    color: #9a3412;
    font-size: 0.76rem;
    font-weight: 800;
    line-height: 1.35;
    padding: 0.42rem 0.65rem;
}
#submitEvidenceStatus.is-ready {
    background: #ecfdf3;
    color: #047857;
}

/* ─── Suggestions ──────────────────────────────────────────── */
.suggestions-panel {
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(6,182,212,0.05);
    border: 1px solid rgba(6,182,212,0.2);
    border-radius: var(--studio-radius-sm);
}
.suggestions-panel h4 { font-size: 0.85rem; color: var(--studio-accent); margin-bottom: 0.5rem; }
.suggestions-panel ul { list-style: none; padding: 0; margin: 0; }
.suggestions-panel li {
    font-size: 0.8rem;
    color: var(--studio-text-muted);
    padding: 0.3rem 0;
    padding-left: 1rem;
    position: relative;
}
.suggestions-panel li::before { content: '→'; position: absolute; left: 0; color: var(--studio-accent); }