/* ═════════════════════════════════════════════════════════════════════
   PsalticEngine Studio — CSS Styling
   Aesthetic: Byzantine Obsidian & Byzantine Gold / Crimson
   ═════════════════════════════════════════════════════════════════════ */

@font-face {
    font-family: 'NeanesFont';
    src: url('/fonts/Almouzios.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'EZPsaltica';
    src: url('/fonts/EZPsaltica.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'EZ Psaltica';
    src: url('/fonts/EZ Psaltica.TTF') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

.byz-neume-svg {
    overflow: visible;
    display: inline-block;
    vertical-align: middle;
    filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.6));
    transition: transform 0.15s ease, filter 0.15s ease;
}

.neume-cell:hover .byz-neume-svg,
.copilot-note-chip:hover .byz-neume-svg,
.palette-item:hover .byz-neume-svg {
    transform: scale(1.18);
    filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.7));
}

.martyria-glyph {
    color: #e5484d;
    font-family: 'NeanesFont', 'EZPsaltica', 'Cinzel', serif;
    font-weight: 700;
    font-size: 16px;
    display: inline-block;
    padding: 2px 4px;
    border-radius: 4px;
    background: rgba(229, 72, 77, 0.1);
    border: 1px solid rgba(229, 72, 77, 0.3);
}

:root {
    --bg-primary: #0a0c10;
    --bg-secondary: #12151e;
    --bg-card: rgba(22, 27, 38, 0.75);
    --bg-card-hover: rgba(30, 37, 52, 0.85);
    --border-color: rgba(212, 175, 55, 0.2);
    --border-bright: rgba(212, 175, 55, 0.5);
    --gold: #d4af37;
    --gold-bright: #ffd700;
    --gold-dim: #997e26;
    --crimson: #c83232;
    --crimson-dim: #8b1e1e;
    --emerald: #10b981;
    --amber: #f59e0b;
    --cyan: #06b6d4;
    --text-primary: #f1f3f7;
    --text-secondary: #9aa4b8;
    --text-muted: #5e687e;
    --font-heading: 'Cinzel', serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --font-psaltic: 'EZ Psaltica', serif;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-gold: 0 0 20px rgba(212, 175, 55, 0.15);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(ellipse at 20% 0%, rgba(212, 175, 55, 0.05) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 100%, rgba(200, 50, 50, 0.04) 0%, transparent 60%);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ═══════ HEADER ═══════ */
.studio-header {
    background: rgba(18, 21, 30, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(200, 50, 50, 0.1));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--gold-bright);
    font-size: 22px;
    transition: all 0.25s ease;
}

.logo-link:hover {
    transform: translateY(-2px);
    border-color: var(--gold);
    box-shadow: var(--shadow-gold);
}

.header-title h1 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.version-tag {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    padding: 2px 8px;
    background: linear-gradient(135deg, var(--gold-dim), var(--crimson-dim));
    color: #fff;
    border-radius: 12px;
    border: 1px solid rgba(212, 175, 55, 0.4);
}

.subtitle {
    font-size: 12px;
    color: var(--text-secondary);
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mode-selector, .style-selector {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.mode-selector label, .style-selector label {
    font-size: 12px;
    color: var(--gold);
    font-weight: 600;
}

.mode-selector select, .style-selector select {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    outline: none;
    cursor: pointer;
}

.mode-selector select option, .style-selector select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ═══════ TAB BAR ═══════ */
.tab-bar {
    background: rgba(14, 17, 24, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    display: flex;
    padding: 0 24px;
    gap: 4px;
    overflow-x: auto;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 12px 18px;
    font-size: 13px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.tab-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
    color: var(--gold-bright);
    border-bottom-color: var(--gold);
    background: rgba(212, 175, 55, 0.05);
}

.tab-icon {
    font-size: 15px;
}

/* ═══════ MAIN CONTENT ═══════ */
.studio-main {
    flex: 1;
    padding: 24px;
    max-width: 1440px;
    margin: 0 auto;
    width: 100%;
}

.tab-panel {
    display: none;
    animation: fadeIn 0.25s ease-out;
}

.tab-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(6px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-header {
    margin-bottom: 24px;
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.panel-header h2 {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--gold-bright);
    margin-bottom: 4px;
}

.panel-header p {
    color: var(--text-secondary);
    font-size: 13px;
}

/* ═══════ BUTTONS & FORMS ═══════ */
button {
    font-family: var(--font-body);
}

.btn-primary {
    background: linear-gradient(135deg, #d4af37, #b8860b);
    color: #0c0e14;
    border: 1px solid #ffd700;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 10px rgba(212, 175, 55, 0.25);
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(212, 175, 55, 0.4);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 10px 18px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    font-size: 13px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.3);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-row {
    display: flex;
    gap: 12px;
    margin-top: 12px;
}

textarea, input[type="text"] {
    width: 100%;
    background: rgba(14, 17, 24, 0.85);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s ease;
    resize: vertical;
}

textarea:focus, input[type="text"]:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.15);
}

/* ═══════ TAB 1: GENERATOR ═══════ */
.generator-layout {
    display: grid;
    grid-template-columns: 420px 1fr;
    gap: 24px;
}

@media (max-width: 1024px) {
    .generator-layout {
        grid-template-columns: 1fr;
    }
}

.input-section label {
    display: block;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 8px;
}

.quick-texts {
    margin-top: 14px;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
}

.quick-texts span {
    font-size: 12px;
    color: var(--text-muted);
}

.chip-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s;
}

.chip-btn:hover {
    color: var(--gold-bright);
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.08);
}

.output-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
    min-height: 480px;
}

.score-viewer {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    text-align: center;
    padding: 40px;
}

.empty-icon {
    font-size: 42px;
    margin-bottom: 12px;
    opacity: 0.6;
}

/* ── SCORE NOTATION RENDERING ── */
.rendered-score {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.score-meta-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.score-mode-badge {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.2), rgba(200, 50, 50, 0.15));
    border: 1px solid var(--border-color);
    color: var(--gold-bright);
    padding: 4px 12px;
    border-radius: 12px;
    font-weight: 600;
    font-size: 12px;
}

.score-phrase-block {
    background: rgba(14, 17, 24, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    padding: 16px;
    transition: all 0.2s;
}

.score-phrase-block:hover {
    border-color: var(--border-color);
    box-shadow: var(--shadow-sm);
}

.phrase-header-info {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.psaltic-stave {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 20px;
    align-items: flex-end;
    padding: 8px 0;
}

.neume-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-width: 44px;
    cursor: pointer;
    padding: 4px 6px;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.neume-cell:hover, .neume-cell.active {
    background: rgba(212, 175, 55, 0.15);
    outline: 1px solid var(--gold);
}

.neume-symbol-slot {
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.neume-img {
    max-height: 38px;
    max-width: 44px;
    object-fit: contain;
    filter: brightness(1.2) drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.neume-char {
    font-family: var(--font-psaltic);
    font-size: 32px;
    color: var(--gold-bright);
    line-height: 1;
}

.pitch-label {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--crimson);
    font-weight: 700;
    margin-top: 2px;
}

.syllable-label {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
    margin-top: 4px;
    border-top: 1px dashed rgba(255, 255, 255, 0.15);
    padding-top: 2px;
    text-align: center;
}

/* ═══════ TAB 2: COPILOT ═══════ */
.copilot-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: 24px;
}

@media (max-width: 1024px) {
    .copilot-layout {
        grid-template-columns: 1fr;
    }
}

.copilot-editor {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.copilot-stave-canvas {
    background: rgba(10, 12, 16, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 20px;
    min-height: 220px;
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: center;
}

.copilot-note-chip {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 8px 12px;
    background: rgba(22, 27, 38, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
}

.copilot-note-chip.selected {
    border-color: var(--gold);
    box-shadow: 0 0 12px rgba(212, 175, 55, 0.3);
    background: rgba(212, 175, 55, 0.12);
}

.copilot-note-chip .del-btn {
    position: absolute;
    top: -6px;
    right: -6px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--crimson);
    color: #fff;
    border: none;
    font-size: 10px;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.copilot-note-chip:hover .del-btn {
    display: flex;
}

.copilot-keyboard {
    margin-top: 20px;
    background: rgba(14, 17, 24, 0.7);
    border-radius: var(--radius-md);
    padding: 16px;
}

.keyboard-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--gold);
    margin-bottom: 10px;
}

.neume-palette {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.palette-item {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    min-width: 60px;
    transition: all 0.15s;
}

.palette-item:hover {
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.1);
    transform: translateY(-2px);
}

.palette-item img {
    height: 24px;
    object-fit: contain;
}

.palette-item span {
    font-size: 10px;
    color: var(--text-secondary);
}

.copilot-sidebar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.suggestion-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
}

.suggestion-card h3 {
    font-family: var(--font-heading);
    font-size: 15px;
    color: var(--gold-bright);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.suggestion-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.suggestion-item {
    background: rgba(14, 17, 24, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-left: 3px solid var(--gold);
    border-radius: var(--radius-sm);
    padding: 10px 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.suggestion-item:hover {
    border-color: var(--gold);
    background: rgba(212, 175, 55, 0.08);
    transform: translateX(3px);
}

.sug-header {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 4px;
}

.sug-type {
    font-size: 10px;
    text-transform: uppercase;
    color: var(--gold);
    background: rgba(212, 175, 55, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
}

.sug-notes {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--cyan);
    margin-bottom: 4px;
}

.sug-desc {
    font-size: 11px;
    color: var(--text-secondary);
}

/* ═══════ TAB 3: METRU ═══════ */
.metru-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 1024px) {
    .metru-layout {
        grid-template-columns: 1fr;
    }
}

.metru-input-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.metru-output-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.syllables-preview {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 14px;
}

.word-card {
    background: rgba(14, 17, 24, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-md);
    padding: 12px 16px;
}

.word-title {
    font-weight: 600;
    color: var(--gold-bright);
    margin-bottom: 8px;
    font-size: 13px;
}

.syllables-chain {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.syllable-badge {
    background: rgba(212, 175, 55, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 13px;
}

.stats-card {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.stat-item {
    text-align: center;
    background: rgba(14, 17, 24, 0.5);
    padding: 10px;
    border-radius: var(--radius-sm);
}

.stat-val {
    font-size: 22px;
    font-weight: 700;
    color: var(--gold-bright);
    font-family: var(--font-mono);
}

.stat-label {
    font-size: 11px;
    color: var(--text-muted);
}

/* ═══════ TAB 4: FORMULE ═══════ */
.formule-filter-bar {
    display: flex;
    gap: 12px;
    align-items: center;
    background: var(--bg-card);
    padding: 12px 20px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-bottom: 24px;
}

.formule-filter-bar select {
    background: rgba(10, 12, 16, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    font-size: 13px;
}

.formule-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.formula-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: all 0.2s ease;
}

.formula-card:hover {
    border-color: var(--gold);
    transform: translateY(-2px);
    box-shadow: var(--shadow-gold);
}

.formula-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.formula-name {
    font-weight: 700;
    font-size: 14px;
    color: var(--gold-bright);
}

.formula-type-tag {
    font-size: 10px;
    text-transform: uppercase;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
    background: rgba(212, 175, 55, 0.15);
    color: var(--gold);
    border: 1px solid rgba(212, 175, 55, 0.3);
}

.formula-notes-preview {
    display: flex;
    gap: 6px;
    align-items: center;
    padding: 10px;
    background: rgba(10, 12, 16, 0.6);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.formula-note-badge {
    padding: 4px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 700;
    color: #fff;
    background: rgba(200, 50, 50, 0.3);
    border: 1px solid rgba(200, 50, 50, 0.5);
}

.formula-desc {
    font-size: 12px;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* ═══════ TAB 5: LINTER ═══════ */
.linter-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 1024px) {
    .linter-layout {
        grid-template-columns: 1fr;
    }
}

.linter-input, .linter-results {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.diagnostic-item {
    background: rgba(14, 17, 24, 0.7);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    margin-bottom: 12px;
    border-left: 4px solid var(--amber);
}

.diagnostic-item.error {
    border-left-color: var(--crimson);
}

.diagnostic-item.warning {
    border-left-color: var(--amber);
}

.diagnostic-item.info {
    border-left-color: var(--cyan);
}

.diag-header {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 13px;
    margin-bottom: 4px;
}

.diag-rule {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-muted);
}

.diag-msg {
    font-size: 12px;
    color: var(--text-primary);
}

.diag-fix {
    margin-top: 6px;
    font-size: 11px;
    color: var(--emerald);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ═══════ TAB 6: REGULI ═══════ */
.reguli-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}

.rule-card {
    background: var(--bg-card);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.rule-info h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--gold-bright);
    margin-bottom: 4px;
}

.rule-info p {
    font-size: 12px;
    color: var(--text-secondary);
}

.rule-severity {
    font-size: 10px;
    text-transform: uppercase;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    margin-top: 6px;
    display: inline-block;
}

.rule-severity.error { background: rgba(200, 50, 50, 0.2); color: #ff6b6b; }
.rule-severity.warning { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.rule-severity.info { background: rgba(6, 182, 212, 0.2); color: #67e8f9; }

.modes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-top: 14px;
}

.mode-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
}

.mode-card h4 {
    font-family: var(--font-heading);
    color: var(--gold-bright);
    margin-bottom: 8px;
    font-size: 15px;
}

.mode-row {
    display: flex;
    justify-content: space-between;
    font-size: 12px;
    margin-bottom: 4px;
}

.mode-row .lbl { color: var(--text-muted); }
.mode-row .val { font-weight: 600; color: var(--text-primary); }

/* ═══════ TAB 7: BRIDGE ═══════ */
.bridge-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

@media (max-width: 1024px) {
    .bridge-layout {
        grid-template-columns: 1fr;
    }
}

.bridge-import, .bridge-output {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
}

.file-upload-btn {
    cursor: pointer;
}

/* ═══════ STATUSBAR ═══════ */
.studio-statusbar {
    background: #08090d;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 6px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    color: var(--text-muted);
}

.status-indicator {
    color: var(--emerald);
    margin-right: 6px;
    font-size: 14px;
}

.status-link {
    color: var(--gold);
    text-decoration: none;
}

.status-link:hover {
    text-decoration: underline;
}