/* ═══════════════════════════════════════════════════════════
   Build Your Own Codec — Design System
   ═══════════════════════════════════════════════════════════ */

:root {
    /* ── Core Palette ── */
    --bg-primary: #08080d;
    --bg-secondary: #0e0e16;
    --bg-card: #13131e;
    --bg-elevated: #1a1a2a;
    --bg-glass: rgba(255, 255, 255, 0.02);
    --bg-hover: rgba(255, 255, 255, 0.04);

    --border-subtle: rgba(255, 255, 255, 0.05);
    --border-medium: rgba(255, 255, 255, 0.08);
    --border-strong: rgba(255, 255, 255, 0.12);

    --text-primary: #e8e8f0;
    --text-secondary: #8888a0;
    --text-tertiary: #5a5a70;
    --text-accent: #a5b4fc;

    /* ── Block Category Colors ── */
    --color-input: #10b981;
    --color-transform: #3b82f6;
    --color-prediction: #8b5cf6;
    --color-quantization: #f59e0b;
    --color-entropy: #ef4444;
    --color-reconstruction: #06b6d4;

    /* ── Accent ── */
    --accent: #6366f1;
    --accent-glow: rgba(99, 102, 241, 0.25);
    --danger: #ef4444;

    /* ── Typography ── */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* ── Spacing & Radius ── */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-pill: 9999px;
    --gap: 12px;
}

/* ── Reset ── */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 13px;
    line-height: 1.5;
    min-height: 100vh;
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ═══ APP SHELL ═══ */
.app-shell {
    display: flex;
    flex-direction: column;
    height: 100vh;
    overflow: hidden;
}

/* ═══ HEADER ═══ */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    height: 54px;
    min-height: 54px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-subtle);
    z-index: 100;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon { font-size: 20px; }

.logo h1 {
    font-size: 16px;
    font-weight: 600;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, #e8e8f0 0%, #a5b4fc 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.header-tagline {
    color: var(--text-tertiary);
    font-size: 12px;
    border-left: 1px solid var(--border-subtle);
    padding-left: 16px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.header-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-medium);
    color: var(--text-primary);
}

.header-btn.accent {
    background: var(--accent);
    color: #fff;
    border-color: transparent;
}

.header-btn.accent:hover {
    background: #5558e6;
    box-shadow: 0 0 16px var(--accent-glow);
}

.header-btn.danger { color: var(--danger); }
.header-btn.danger:hover { background: rgba(239, 68, 68, 0.1); border-color: var(--danger); }

.header-btn.step-active {
    background: rgba(245, 158, 11, 0.15);
    border-color: #f59e0b;
    color: #f59e0b;
}

.chevron { font-size: 10px; }

/* ═══ STEP-BY-STEP NAVIGATOR ═══ */
.step-nav {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 20px;
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
    border-bottom: 1px solid var(--border-medium);
    position: relative;
    z-index: 99;
    animation: fadeInDown 0.25s ease;
}

.step-nav-btn {
    padding: 5px 14px;
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.step-nav-btn:hover:not(:disabled) {
    background: var(--bg-hover);
    border-color: var(--border-medium);
    color: var(--text-primary);
}

.step-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.step-nav-info {
    display: flex;
    align-items: center;
    gap: 10px;
    flex: 1;
    justify-content: center;
}

.step-nav-label {
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-tertiary);
    font-weight: 600;
}

.step-nav-counter {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 600;
    color: #f59e0b;
}

.step-nav-name {
    font-size: 13px;
    color: var(--text-primary);
    font-weight: 500;
}

.step-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 2px;
    background: linear-gradient(90deg, #f59e0b, #f97316);
    border-radius: 0 2px 0 0;
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Pipeline block highlighting in step mode */
.pipeline-block.step-current {
    border-color: #f59e0b !important;
    box-shadow: 0 0 16px rgba(245, 158, 11, 0.2), 0 0 0 1px rgba(245, 158, 11, 0.3) !important;
}

.pipeline-block.step-done {
    opacity: 0.5;
}

.pipeline-block.step-future {
    opacity: 0.25;
}

/* ── Preset Dropdown ── */
.preset-wrapper { position: relative; }

.preset-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 380px;
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    box-shadow: 0 16px 48px rgba(0,0,0,0.5);
    padding: 8px;
    display: none;
    z-index: 200;
    backdrop-filter: blur(20px);
}

.preset-dropdown.open { display: block; animation: fadeInDown 0.2s ease; }

.preset-btn {
    display: flex;
    flex-direction: column;
    width: 100%;
    padding: 10px 12px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 12px;
    text-align: left;
    cursor: pointer;
    transition: all 0.15s;
}

.preset-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-subtle);
}

.preset-btn strong { font-size: 13px; margin-bottom: 2px; }
.preset-btn span { color: var(--text-tertiary); font-size: 11px; }

/* ═══ MAIN LAYOUT ═══ */
.app-main {
    display: grid;
    grid-template-columns: 240px 1fr 380px;
    flex: 1;
    overflow: hidden;
    gap: 0;
}

/* ═══ PANELS ═══ */
.panel {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border-right: 1px solid var(--border-subtle);
}

.panel:last-child { border-right: none; }

.panel-title {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
    flex-shrink: 0;
}

.panel-title-icon { font-size: 13px; }

.panel-hint {
    margin-left: auto;
    font-weight: 400;
    font-size: 10px;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-tertiary);
}

.panel-section {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ═══ LEFT PANEL — Palette + Metrics ═══ */
.panel-left {
    background: var(--bg-secondary);
}

.palette-section {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.palette-list {
    overflow-y: auto;
    flex: 1;
    padding: 8px;
}

.palette-list::-webkit-scrollbar { width: 4px; }
.palette-list::-webkit-scrollbar-track { background: transparent; }
.palette-list::-webkit-scrollbar-thumb { background: var(--border-medium); border-radius: 2px; }

.palette-category { margin-bottom: 2px; }

.palette-category-header {
    display: flex;
    align-items: center;
    gap: 6px;
    width: 100%;
    padding: 7px 10px;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: background 0.15s;
}

.palette-category-header:hover { background: var(--bg-hover); }

.cat-icon { font-size: 13px; }
.cat-chevron { margin-left: auto; font-size: 10px; transition: transform 0.2s; }

.palette-category-items {
    display: none;
    padding: 2px 0 4px 8px;
}

.palette-category-items.expanded { display: block; }

.palette-block {
    display: flex;
    align-items: center;
    gap: 7px;
    padding: 6px 10px;
    margin: 1px 0;
    border-radius: var(--radius-sm);
    cursor: grab;
    transition: all 0.15s;
    border: 1px solid transparent;
    font-size: 12px;
    color: var(--text-primary);
}

.palette-block:hover {
    background: var(--bg-hover);
    border-color: color-mix(in srgb, var(--block-color) 20%, transparent);
}

.palette-block:active { cursor: grabbing; }

.palette-block.dragging {
    opacity: 0.5;
    transform: scale(0.95);
}

.block-icon { font-size: 14px; }
.block-name { font-size: 12px; }

/* ── Metrics ── */
.metrics-section {
    border-top: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

.metrics-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1px;
    padding: 1px;
    background: var(--border-subtle);
}

.metric-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3px;
    padding: 10px 6px;
    background: var(--bg-secondary);
}

.metric-card-wide { grid-column: 1 / -1; }

.metric-label {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-tertiary);
    font-weight: 600;
}

.metric-value {
    font-family: var(--font-mono);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-accent);
    transition: all 0.3s ease;
}

.metric-value.metric-update {
    animation: metricPulse 0.3s ease;
}

@keyframes metricPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.15); color: #fff; }
    100% { transform: scale(1); }
}

/* ═══ CENTER PANEL — Pipeline Builder ═══ */
.panel-center {
    background: var(--bg-primary);
    border-right: 1px solid var(--border-subtle);
}

.pipeline-error {
    margin: 8px 16px 0;
    padding: 8px 12px;
    background: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-sm);
    color: var(--danger);
    font-size: 12px;
    font-family: var(--font-mono);
}

.pipeline-canvas {
    flex: 1;
    overflow-y: auto;
    overflow-x: auto;
    padding: 20px;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    align-content: flex-start;
    gap: 8px;
}

.pipeline-canvas::-webkit-scrollbar { width: 4px; height: 4px; }
.pipeline-canvas::-webkit-scrollbar-track { background: transparent; }
.pipeline-canvas::-webkit-scrollbar-thumb { background: var(--border-medium); border-radius: 2px; }

.pipeline-canvas.drag-over {
    background: rgba(99, 102, 241, 0.03);
    outline: 2px dashed var(--accent);
    outline-offset: -8px;
}

/* ── Empty State ── */
.pipeline-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 60px 20px;
    color: var(--text-tertiary);
    text-align: center;
}

.empty-icon { font-size: 40px; margin-bottom: 12px; opacity: 0.5; }
.pipeline-empty p { font-size: 14px; }
.empty-hint { font-size: 12px; margin-top: 4px; }

/* ── Pipeline Blocks ── */
.pipeline-block {
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-md);
    min-width: 160px;
    max-width: 220px;
    transition: all 0.2s ease;
    position: relative;
    overflow: visible;
}

.pipeline-block::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--block-color);
    opacity: 0.7;
}

.pipeline-block:hover {
    border-color: color-mix(in srgb, var(--block-color) 40%, transparent);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3), 0 0 0 1px color-mix(in srgb, var(--block-color) 10%, transparent);
}

.pipeline-block.dragging {
    opacity: 0.4;
    transform: scale(0.95);
}

.pipeline-block.has-result {
    border-color: color-mix(in srgb, var(--block-color) 25%, transparent);
}

.pipeline-block.has-error {
    border-color: var(--danger);
    box-shadow: 0 0 16px rgba(239, 68, 68, 0.15);
}

.pipeline-block-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-bottom: 1px solid var(--border-subtle);
    cursor: grab;
}

.pipeline-block-header:active {
    cursor: grabbing;
}

/* ── Drop Indicator ── */
.pipeline-block.drop-before::after {
    content: '';
    position: absolute;
    left: -7px;
    top: -2px;
    bottom: -2px;
    width: 3px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow);
    z-index: 10;
    animation: dropPulse 0.8s infinite ease-in-out;
}

.pipeline-block.drop-after::after {
    content: '';
    position: absolute;
    right: -7px;
    top: -2px;
    bottom: -2px;
    width: 3px;
    background: var(--accent);
    border-radius: 2px;
    box-shadow: 0 0 10px var(--accent-glow), 0 0 20px var(--accent-glow);
    z-index: 10;
    animation: dropPulse 0.8s infinite ease-in-out;
}

@keyframes dropPulse {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

.block-title {
    flex: 1;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.block-remove {
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    font-size: 14px;
    cursor: pointer;
    transition: all 0.15s;
}

.block-remove:hover {
    background: rgba(239, 68, 68, 0.15);
    color: var(--danger);
}

.pipeline-block-params {
    padding: 6px 10px 8px;
}

/* ── Pipeline Arrow ── */
.pipeline-arrow {
    display: flex;
    align-items: center;
    color: var(--text-tertiary);
    flex-shrink: 0;
    animation: arrowPulse 2s infinite ease-in-out;
}

@keyframes arrowPulse {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

/* ── Param Controls ── */
.param-row {
    margin-bottom: 6px;
}

.param-row:last-child { margin-bottom: 0; }

.param-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 10px;
    color: var(--text-secondary);
    margin-bottom: 3px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.param-value {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-accent);
}

.param-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 3px;
    background: var(--border-medium);
    border-radius: 2px;
    outline: none;
}

.param-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-primary);
    border: 2px solid var(--bg-card);
    box-shadow: 0 0 4px rgba(0,0,0,0.3);
    cursor: pointer;
    transition: transform 0.1s;
}

.param-slider::-webkit-slider-thumb:hover { transform: scale(1.2); }

.param-select {
    width: 100%;
    padding: 4px 6px;
    background: var(--bg-elevated);
    color: var(--text-primary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    font-family: var(--font-sans);
    font-size: 11px;
    cursor: pointer;
    outline: none;
}

.param-select:focus { border-color: var(--accent); }

.file-upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 5px;
    background: transparent;
    border: 1px dashed var(--border-medium);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.15s;
}

.file-upload-btn:hover {
    border-color: var(--accent);
    color: var(--text-accent);
}

/* ═══ RIGHT PANEL — Visualizations ═══ */
.panel-right {
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-subtle);
    border-right: none;
}

.viz-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.viz-scroll::-webkit-scrollbar { width: 4px; }
.viz-scroll::-webkit-scrollbar-track { background: transparent; }
.viz-scroll::-webkit-scrollbar-thumb { background: var(--border-medium); border-radius: 2px; }

.viz-empty {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 200px;
    color: var(--text-tertiary);
    text-align: center;
    font-size: 13px;
}

.viz-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    margin-bottom: 8px;
    overflow: hidden;
    transition: border-color 0.2s;
}

.viz-card:hover {
    border-color: var(--border-medium);
}

.viz-card-error {
    border-color: rgba(239, 68, 68, 0.2);
}

.viz-card-active {
    border-color: #f59e0b !important;
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.15);
    animation: fadeIn 0.3s ease;
}

.viz-canvas-spectrum {
    border-top: 1px solid var(--border-subtle);
}

.viz-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-subtle);
    border-left: 3px solid var(--block-color, var(--accent));
}

.viz-time {
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--text-tertiary);
}

.viz-canvas {
    display: block;
    width: 100%;
    height: auto;
    image-rendering: auto;
}

.viz-info {
    padding: 8px 12px;
    font-size: 11px;
    line-height: 1.5;
    color: var(--text-tertiary);
    border-top: 1px solid var(--border-subtle);
}

/* ═══ ANIMATIONS ═══ */
@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ═══ SCROLLBAR GLOBAL ═══ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-medium); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* ═══ R-D ANALYSIS MODAL ═══ */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.modal-container {
    background: var(--bg-card);
    border: 1px solid var(--border-medium);
    border-radius: var(--radius-lg);
    width: 90vw;
    max-width: 820px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-subtle);
    background: var(--bg-secondary);
}

.modal-header h2 {
    font-size: 16px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 18px;
    cursor: pointer;
    transition: all 0.15s;
}

.modal-close:hover {
    background: rgba(239, 68, 68, 0.15);
    border-color: var(--danger);
    color: var(--danger);
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.rd-controls {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.rd-desc {
    flex: 1;
    min-width: 200px;
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.rd-status {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--text-accent);
}

#rd-canvas {
    width: 100%;
    height: auto;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
}

/* R-D Data Table */
.rd-table-wrapper {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
}

.rd-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 12px;
    font-family: var(--font-mono);
}

.rd-table thead {
    position: sticky;
    top: 0;
    z-index: 1;
}

.rd-table th {
    padding: 8px 12px;
    text-align: right;
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-medium);
    font-weight: 600;
}

.rd-table th:first-child,
.rd-table td:first-child {
    text-align: left;
}

.rd-table td {
    padding: 6px 12px;
    text-align: right;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-subtle);
}

.rd-table tbody tr:hover {
    background: var(--bg-hover);
}

.rd-table tbody tr:last-child td {
    border-bottom: none;
}

/* ═══ RESPONSIVE ═══ */
@media (max-width: 1200px) {
    .app-main {
        grid-template-columns: 200px 1fr 320px;
    }
    .header-tagline { display: none; }
}

@media (max-width: 900px) {
    .app-main {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
    }
    .panel-left, .panel-right {
        max-height: 40vh;
    }
    .modal-container {
        width: 95vw;
    }
}