:root {
    --accent: #ff7b42; --accent-hover: #ff9f6c;
    --bg: #120806; --surface: #1b0f0d;
    --text: #f8f2ee; --text-dim: #c3b1a8;
    --border: rgba(255, 137, 78, 0.2); --success: #71dd8a;
    --danger: #ef6d6d; --card-bg: #130b09;
}

@keyframes flicker {
    0%, 100% { border-color: #431407; box-shadow: 0 0 5px rgba(249, 115, 22, 0.2); }
    50% { border-color: #f97316; box-shadow: 0 0 15px rgba(249, 115, 22, 0.5); }
}

* { box-sizing: border-box; transition: background 0.3s, color 0.3s, border-color 0.3s; }

body { 
    font-family: 'Inter', system-ui, -apple-system, sans-serif; 
    background: var(--bg); color: var(--text); 
    margin: 0; display: flex; height: 100vh; overflow: hidden; 
}

/* Tool layout wrapper */
.tool-layout {
    display: flex !important;
    flex-direction: row !important;
    height: 100vh !important;
    min-height: 0;
    align-items: stretch;
}

/* Sidebar Navigation - constrained to viewport with scroll */
.sidebar {
    width: clamp(300px, 24vw, 360px); 
    background: var(--surface); 
    border-right: 1px solid var(--border);
    padding: 14px; 
    display: flex !important; 
    flex-direction: column !important; 
    gap: 10px;
    
    /* CRITICAL: sidebar scrollview */
    overflow-y: auto !important;
    overflow-x: hidden;
    scrollbar-gutter: stable;
    overscroll-behavior: contain;
    flex: 0 0 auto;
    min-width: 0;
    height: 100vh !important;
}

/* Main content - takes remaining space, scrolls when needed */
.main-content { 
    flex: 1 1 auto !important; 
    width: 0 !important;
    min-width: 0 !important;
    max-width: none !important;
    padding: 18px; 
    overflow: auto !important; 
    display: flex !important; 
    flex-direction: column !important; 
    align-items: stretch; 
    align-self: stretch !important;
    height: 100% !important;
}

/* Tool layout wrapper - ensure full viewport height and proper row alignment */
.tool-layout {
    display: flex !important;
    flex-direction: row !important;
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
    height: 100vh !important;
    min-height: 0;
    align-items: stretch;
}

/* Sidebar constrained to viewport with scroll */
.sidebar {
    flex: 0 0 auto !important;
    width: clamp(300px, 24vw, 360px) !important;
    min-width: 280px !important;
    max-width: 400px !important;
    height: 100vh !important;
    overflow-y: auto !important;
}

/* Custom scrollbar */
.sidebar::-webkit-scrollbar {
    width: 10px;
}
.sidebar::-webkit-scrollbar-track {
    background: color-mix(in srgb, var(--surface) 72%, black 28%);
}
.sidebar::-webkit-scrollbar-thumb {
    border: 2px solid color-mix(in srgb, var(--surface) 72%, black 28%);
    border-radius: 999px;
    background: color-mix(in srgb, var(--accent) 76%, white 6%);
}

@media (max-width: 800px) {
    .tool-layout { 
        flex-direction: column !important; 
    }
    .sidebar { 
        width: 100% !important; 
        max-width: none !important; 
        height: auto !important; 
        max-height: 50vh !important;
        border-right: none !important; 
        border-bottom: 1px solid var(--border) !important; 
    }
    .main-content {
        flex: 1 1 auto !important;
        height: auto !important;
        min-height: 0 !important;
    }
}

.header-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.header-row.compact { align-items: flex-start; }
h1 { font-size: 1.2rem; margin: 0; color: var(--accent); font-weight: 800; letter-spacing: -0.02em; }
.sidebar-subtitle { margin-top: 4px; font-size: 0.76rem; color: var(--text-dim); line-height: 1.35; }

.control-group { display: flex; flex-direction: column; gap: 8px; }
.sidebar-panel {
    min-width: 0;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background:
        linear-gradient(180deg, color-mix(in srgb, var(--accent) 6%, transparent), transparent 72%),
        color-mix(in srgb, var(--card-bg) 82%, transparent);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}
.source-panel,
.preset-panel,
.action-panel {
    gap: 10px;
}
.panel-heading {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 10px;
}
.panel-kicker {
    color: var(--text-dim);
    font-size: 0.68rem;
    line-height: 1.2;
    text-align: right;
}
.control-group-emphasis {
    border-radius: 12px;
    border: 1px solid color-mix(in srgb, var(--accent) 36%, transparent);
    background: linear-gradient(180deg, color-mix(in srgb, var(--accent) 10%, transparent) 0%, transparent 100%);
    box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
}
label { font-size: 0.7rem; font-weight: 700; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }

select, input[type="range"], input[type="file"] { width: 100%; }
select, input, button { min-width: 0; }

select, input[type="file"] {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px 12px;
    outline: none;
}
select:focus, input[type="file"]:focus {
    border-color: var(--accent);
}
input[type="checkbox"] { accent-color: var(--accent); }
input[type="range"] { accent-color: var(--accent); }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; min-width: 0; }
.btn-row .btn { flex: 1 1 0; width: auto; }
.batch-queue {
    display: grid;
    gap: 8px;
    max-height: 150px;
    overflow-y: auto;
}
.batch-queue:empty { display: none; }
.batch-item {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px;
    align-items: center;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: color-mix(in srgb, var(--bg) 72%, transparent);
}
.batch-item.active {
    border-color: color-mix(in srgb, var(--accent) 62%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 36%, transparent);
}
.batch-item-main { min-width: 0; }
.batch-item-name {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.batch-item-meta { font-size: 0.7rem; color: var(--text-dim); }
.batch-item-actions { display: flex; gap: 6px; }
.batch-mini-btn {
    padding: 6px 8px;
    border-radius: 8px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text);
    font-size: 0.72rem;
    cursor: pointer;
}
.batch-mini-btn:hover { border-color: var(--accent); }

details.control-group {
    display: block;
}
details.control-group > summary {
    display: grid;
    grid-template-columns: minmax(72px, 0.55fr) minmax(0, 1fr) auto;
    gap: 8px 10px;
    align-items: center;
    list-style: none;
    cursor: pointer;
    margin: -2px 0 2px;
}
details.control-group > summary::-webkit-details-marker { display: none; }
details.control-group > summary::after {
    content: "";
    width: 7px;
    height: 7px;
    border-right: 2px solid var(--text-dim);
    border-bottom: 2px solid var(--text-dim);
    transform: rotate(45deg);
    transition: transform 0.18s ease, border-color 0.18s ease;
}
details.control-group[open] > summary::after {
    transform: translateY(3px) rotate(225deg);
    border-color: var(--accent);
}
.summary-title {
    min-width: 0;
    color: var(--text);
    font-size: 0.72rem;
    font-weight: 800;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    overflow: hidden;
    text-overflow: ellipsis;
}
.summary-meta {
    min-width: 0;
    color: var(--text-dim);
    font-size: 0.62rem;
    line-height: 1.25;
    font-weight: 800;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
details.control-group[open] > summary {
    margin-bottom: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--border);
}
details.control-group > :not(summary) {
    margin-top: 8px;
    min-width: 0;
}

/* Accordion content area - smooth transition */
details.control-group[open] > summary ~ * {
    max-height: none !important;
    opacity: 1 !important;
    overflow: visible !important;
}

/* ===== Styled Upload Button ===== */
.upload-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    min-height: 42px;
    padding: 0 16px;
    border-radius: 10px;
    border: 1px dashed var(--border);
    background:
        radial-gradient(circle at top, color-mix(in srgb, var(--accent) 10%, transparent) 0%, transparent 50%),
        rgba(8, 8, 10, 0.24);
    color: var(--text);
    font: inherit;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.upload-btn:hover {
    border-color: var(--accent);
    background:
        radial-gradient(circle at top, color-mix(in srgb, var(--accent) 16%, transparent) 0%, transparent 50%),
        rgba(8, 8, 10, 0.32);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 24%, transparent);
}

.upload-btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    background: color-mix(in srgb, var(--accent) 18%, transparent);
    color: var(--accent);
    font-size: 18px;
    font-weight: 700;
    line-height: 1;
}

.upload-btn-text {
    font-weight: 600;
    font-size: 0.82rem;
}

/* ===== Nested Sub-Foldout (Dashboard Image Pool) ===== */
.pool-sub-foldout {
    margin-top: 8px;
    padding: 10px;
    border-radius: 10px;
    border: 1px dashed color-mix(in srgb, var(--border) 60%, transparent);
    background: rgba(0, 0, 0, 0.12);
}

.pool-sub-foldout > summary {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-dim);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pool-sub-foldout > summary::after {
    border-right-color: var(--text-dim);
    border-bottom-color: var(--text-dim);
}

.pool-sub-foldout[open] > summary {
    border-bottom-color: color-mix(in srgb, var(--accent) 30%, transparent);
}

.pool-sub-foldout[open] > summary::after {
    border-right-color: var(--accent);
    border-bottom-color: var(--accent);
}

.palette-swatches {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(18px, 1fr));
    gap: 6px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 10px;
}
.palette-swatch {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.12);
}

.two-col {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.btn { 
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 12px; border-radius: 8px; font-weight: 600; cursor: pointer; border: none; 
    transition: 0.2s; font-size: 0.85rem; width: 100%;
}
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-success { background: var(--success); color: #000; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }

.preview-view-tabs {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}
.preview-view-tab {
    border: 1px solid var(--border);
    background: var(--surface);
    color: var(--text-dim);
    border-radius: 10px;
    padding: 8px 12px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.03em;
    text-transform: uppercase;
    cursor: pointer;
}
.preview-view-tab.active {
    border-color: var(--accent);
    color: var(--text);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 54%, transparent);
}

.preview-grid { 
    flex: 1 1 auto;
    min-height: 0;
    min-width: 0;
    min-width: 0;
    height: 0;
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 18px; width: 100%; max-width: none;
}

.preview-card { 
    background: var(--surface); border-radius: 12px; border: 1px solid var(--border); 
    padding: 14px; display: flex; flex-direction: column; align-items: center; gap: 10px;
    min-height: 0;
    min-width: 0;
    overflow: hidden;
    min-width: 0;
    overflow: hidden;
}
.compare-card {
    grid-column: 1 / -1;
    align-items: stretch;
}
body.preview-mode-two #cardCompare {
    display: none;
}
body.preview-mode-reveal .preview-grid,
body.dashboard-reveal-only .preview-grid {
    grid-template-columns: minmax(0, 1fr);
}
body.preview-mode-reveal #cardOriginal,
body.preview-mode-reveal #cardPixel,
body.dashboard-reveal-only #cardOriginal,
body.dashboard-reveal-only #cardPixel {
    display: none;
}
body.preview-mode-reveal #cardCompare,
body.dashboard-reveal-only #cardCompare {
    grid-column: 1 / -1;
}
body.preview-mode-reveal .instructions,
body.dashboard-reveal-only .instructions {
    display: none;
}
.preview-card h3 { margin: 0; font-size: 0.8rem; color: var(--text-dim); text-transform: uppercase; }

.preview-meta { font-size: 0.75rem; color: var(--text-dim); text-align: center; min-height: 1em; }
.compare-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.compare-wrap {
    justify-content: center;
    align-items: center;
    position: relative;
    touch-action: none;
    user-select: none;
}
.compare-slider-label {
    font-size: 0.72rem;
    color: var(--text-dim);
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}
#revealSlider,
.compare-slider-label {
    display: none !important;
}
.gif-frame-strip-card {
    grid-column: 1 / -1;
    align-items: stretch;
}
.gif-frame-strip-header-actions {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}
.gif-frame-strip-header-actions .mini-button {
    min-width: 74px;
    justify-content: center;
}
.gif-frame-strip {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding: 4px 2px 2px;
}
.gif-frame-strip:empty {
    display: none;
}
.gif-frame-thumb {
    flex: 0 0 auto;
    width: 82px;
    display: grid;
    gap: 6px;
    padding: 8px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: color-mix(in srgb, var(--bg) 76%, transparent);
    cursor: pointer;
}
.gif-frame-thumb.active {
    border-color: color-mix(in srgb, var(--accent) 62%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--accent) 36%, transparent);
}
.gif-frame-thumb canvas {
    width: 100%;
    height: auto;
    max-width: 64px;
    max-height: 64px;
    justify-self: center;
    box-shadow: none;
    border-radius: 6px;
}
.gif-frame-thumb-label {
    font-size: 0.68rem;
    color: var(--text-dim);
    text-align: center;
    white-space: nowrap;
}

.canvas-wrap {
    flex: 1 1 auto;
    min-height: 0;
    height: 0;
    width: 100%;
    min-width: 0;
    min-width: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.canvas-stack {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    max-height: min(62vh, 680px);
    min-width: 0;
    min-width: 0;
    overflow: hidden;
}
#originalCanvas,
#pixelCanvas {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: min(62vh, 680px);
    min-width: 0;
    object-fit: contain;
    min-width: 0;
    object-fit: contain;
}
#pixelCanvas { position: relative; }
#overlayCanvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    background: transparent;
    box-shadow: none;
    pointer-events: none;
}
#compareCanvas {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: min(62vh, 680px);
    cursor: col-resize;
    touch-action: none;
    min-width: 0;
    object-fit: contain;
    min-width: 0;
    object-fit: contain;
}

canvas { 
    display: block;
    max-width: 100%;
    max-height: 100%;
    border-radius: 4px;
    background-image: 
        linear-gradient(45deg, #808080 25%, transparent 25%), 
        linear-gradient(-45deg, #808080 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, #808080 75%), 
        linear-gradient(-45deg, transparent 75%, #808080 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #ccc;
    box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

.color-well { display: flex; align-items: center; gap: 10px; background: var(--bg); padding: 8px; border-radius: 8px; border: 1px solid var(--border); }
input[type="color"] { border: none; width: 30px; height: 30px; cursor: pointer; background: none; }

.instructions { 
    margin-top: 14px; padding: 14px; background: rgba(99, 102, 241, 0.05); 
    border-radius: 12px; border: 1px dashed var(--border); max-width: none; font-size: 0.85rem; line-height: 1.6;
}

.hidden { display: none !important; }

@media (max-width: 800px) {
    .preview-grid { grid-template-columns: 1fr; }
    .two-col { grid-template-columns: 1fr; }
}

@media (max-width: 380px) {
    .sidebar {
        width: 100%;
        padding: 12px;
    }

    details.control-group > summary {
        grid-template-columns: minmax(0, 1fr) auto;
    }

    .summary-meta {
        grid-column: 1 / -1;
    }
}

body[data-dashboard-sidebar-externalized] .tool-layout {
    display: block !important;
}

body[data-dashboard-sidebar-externalized] .sidebar {
    display: none !important;
}

body[data-dashboard-sidebar-externalized] .main-content {
    width: 100% !important;
}

/* Dashboard theme overrides - override tool-components.css overflow:hidden on details */

body[data-dashboard-theme] .sidebar {
    height: 100vh !important;
    overflow-y: auto !important;
}

body[data-dashboard-theme] .main-content {
    flex: 1 1 auto !important;
    align-self: stretch !important;
    overflow: auto !important;
}

/* Override the tool-components.css rule that sets overflow:hidden on details inside our sidebar */
body[data-dashboard-theme] .sidebar > details.sidebar-panel,
body[data-dashboard-theme] .sidebar > details.control-group {
    overflow: visible !important;
}

body[data-dashboard-theme] .sidebar > details[open] > *:not(summary) {
    max-height: none !important;
    opacity: 1 !important;
    overflow: visible !important;
}

/* Dashboard theme overrides - ensure main-content stretches to fill viewport */
body[data-dashboard-theme] .tool-layout {
    height: 100vh !important;
    min-height: 100vh !important;
    width: 100% !important;
    min-width: 0 !important;
    max-width: none !important;
    align-items: stretch !important;
}

body[data-dashboard-theme] .main-content {
    flex: 1 1 auto !important;
    width: 0 !important;
    min-width: 0 !important;
    max-width: none !important;
    align-self: stretch !important;
    height: 100% !important;
    overflow: auto !important;
}

body[data-dashboard-theme] .sidebar {
    flex: 0 0 auto !important;
    width: clamp(300px, 24vw, 360px) !important;
    min-width: 280px !important;
    max-width: 400px !important;
}

/* Ensure the preview-grid fills available space */
body[data-dashboard-theme] .preview-grid {
    flex: 1 1 auto !important;
    min-height: 0 !important;
    width: 100% !important;
}

/* Dashboard wrapper overrides - force full-width main content */
body[data-dashboard-theme] body,
body[data-dashboard-theme] .tool-layout > .main-content {
    width: 100% !important;
    max-width: none !important;
}

/* Dashboard theme overrides - these are now in the global sidebar-scrollview.css */