/* ABEL — Professional Photo Editor UI */
:root {
    --bg-app: #111111;
    --bg-panel: #1e1e1e;
    --bg-panel-alt: #252525;
    --bg-input: #161616;
    --bg-hover: #2a2a2a;
    --bg-active: #333333;
    --bg-canvas: #0a0a0a;
    --text-primary: #d4d4d4;
    --text-secondary: #8c8c8c;
    --text-muted: #5a5a5a;
    --text-bright: #ffffff;
    --accent: #0d99ff;
    --accent-dim: rgba(13, 153, 255, 0.15);
    --accent-hover: #38b0ff;
    --danger: #e74c3c;
    --slider-track: #3a3a3a;
    --slider-fill: #a0a0a0;
    --border: #2a2a2a;
    --border-subtle: #222222;
    --panel-width: 320px;
    --toolbar-height: 40px;
    --radius: 4px;
    --radius-sm: 3px;
    --transition: 0.12s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

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

html, body {
    height: 100%;
    overflow: hidden;
    font-family: var(--font);
    font-size: 11px;
    font-weight: 400;
    background: var(--bg-app);
    color: var(--text-primary);
    user-select: none;
    -webkit-user-select: none;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===================== Toolbar ===================== */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--toolbar-height);
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
    z-index: 100;
    flex-shrink: 0;
}

.toolbar-left, .toolbar-center, .toolbar-right {
    display: flex;
    align-items: center;
    gap: 2px;
}

.logo {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-bright);
    margin-right: 20px;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 7px;
}

.logo-icon {
    flex-shrink: 0;
}

/* ===================== Buttons ===================== */
.toolbar button, .btn {
    background: transparent;
    color: var(--text-secondary);
    border: none;
    border-radius: var(--radius);
    padding: 6px 10px;
    cursor: pointer;
    font-size: 11px;
    font-weight: 450;
    font-family: var(--font);
    transition: all var(--transition);
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 5px;
}

.toolbar button:hover, .btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.toolbar button:active, .btn:active {
    background: var(--bg-active);
}

.toolbar button:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.toolbar button:disabled:hover {
    background: transparent;
    color: var(--text-secondary);
}

.btn-accent {
    background: var(--accent) !important;
    color: var(--text-bright) !important;
    font-weight: 500;
}

.btn-accent:hover {
    background: var(--accent-hover) !important;
}

.btn-sm {
    padding: 4px 8px;
    font-size: 10px;
    border-radius: var(--radius-sm);
}

.btn-outline {
    border: 1px solid var(--border);
}

.btn-outline:hover {
    border-color: var(--text-muted);
}

.btn-danger {
    color: var(--danger) !important;
}

.btn-danger:hover {
    background: rgba(231, 76, 60, 0.1) !important;
}

.toolbar .separator {
    width: 1px;
    height: 20px;
    background: var(--border);
    margin: 0 6px;
}

#btn-auto {
    color: var(--accent);
    font-weight: 500;
}

#btn-auto:hover {
    background: var(--accent-dim);
}

#btn-batch {
    color: #f59e0b;
    font-weight: 500;
}

#btn-batch:hover {
    background: rgba(245, 158, 11, 0.1);
}

#btn-export {
    background: var(--bg-hover);
    color: var(--text-primary);
    border: 1px solid var(--border);
    font-weight: 500;
}

#btn-export:hover {
    background: var(--bg-active);
    border-color: var(--text-muted);
}

/* ===================== Layout ===================== */
.editor-layout {
    display: flex;
    height: calc(100vh - var(--toolbar-height));
    overflow: hidden;
}

.sidebar-left {
    width: var(--panel-width);
    background: var(--bg-panel);
    border-right: 1px solid var(--border);
    overflow-y: auto;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: width 0.2s ease, min-width 0.2s ease;
}

.sidebar-left.collapsed {
    width: 28px;
    min-width: 28px;
    overflow: hidden;
}

.sidebar-left.collapsed .presets-panel {
    display: none;
}

.sidebar-left-toggle {
    position: absolute;
    top: 0;
    left: 0;
    width: 28px;
    height: 100%;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5;
    transition: all var(--transition);
    font-family: var(--font);
    padding: 0;
}

.sidebar-left-toggle:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.sidebar-left:not(.collapsed) .sidebar-left-toggle {
    width: 20px;
    right: 4px;
    left: auto;
    height: 20px;
    top: 8px;
    border-radius: 50%;
}

.toggle-label {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 1.5px;
    writing-mode: vertical-lr;
    text-orientation: mixed;
}

.sidebar-left:not(.collapsed) .toggle-label {
    display: none;
}

.sidebar-left:not(.collapsed) .sidebar-left-toggle::after {
    content: '‹';
    font-size: 14px;
}

.canvas-area {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-canvas);
    overflow: hidden;
}

.sidebar-right {
    width: var(--panel-width);
    background: var(--bg-panel);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow: hidden;
}

.sidebar-right-inner {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* ===================== Vertical Tabs ===================== */
.vtabs {
    display: flex;
    flex-direction: column;
    width: 36px;
    flex-shrink: 0;
    background: var(--bg-panel-alt);
    border-right: 1px solid var(--border);
    padding: 4px 0;
    gap: 2px;
    overflow-y: auto;
    scrollbar-width: none;
}

.vtabs::-webkit-scrollbar { display: none; }

.vtab {
    width: 36px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition);
    border-radius: 0;
    position: relative;
    font-family: var(--font);
}

.vtab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.vtab.active {
    color: var(--text-bright);
    background: var(--bg-panel);
}

.vtab.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 4px;
    bottom: 4px;
    width: 2px;
    background: var(--accent);
    border-radius: 1px;
}

.vpanel-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-width: 0;
}

/* ===================== Resize Handle ===================== */
.resize-handle {
    width: 4px;
    cursor: col-resize;
    background: transparent;
    flex-shrink: 0;
    position: relative;
    z-index: 10;
    transition: background var(--transition);
}

.resize-handle:hover,
.resize-handle.dragging {
    background: var(--accent);
}

/* ===================== Canvas ===================== */
.canvas-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

#main-canvas {
    display: none;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    object-fit: contain;
    border-radius: 2px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
}

#mask-overlay {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}

#brush-cursor {
    display: none;
    position: absolute;
    border: 1.5px solid rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    pointer-events: none;
    box-shadow: 0 0 0 1px rgba(0,0,0,0.3);
}

.canvas-container.mask-mode #main-canvas {
    cursor: crosshair;
}

/* ===================== Crop Tool ===================== */
#crop-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 25;
    display: none;
    pointer-events: none;
    cursor: crosshair;
}

#crop-overlay.active {
    display: block;
    pointer-events: auto;
}

.crop-ratios {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 4px;
}

.crop-ratio-btn {
    padding: 5px 10px;
    font-size: 10px;
    background: var(--bg-panel-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: var(--font);
    transition: all var(--transition);
}

.crop-ratio-btn:hover { background: var(--bg-hover); color: var(--text-primary); }
.crop-ratio-btn.active { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

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

.crop-actions .btn { flex: 1; justify-content: center; }

/* ===================== Mobile Crop Bar ===================== */
.mobile-crop-bar {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: 500;
    pointer-events: none;
    flex-direction: column;
    justify-content: space-between;
    padding: 12px;
    padding-top: calc(50px + env(safe-area-inset-top, 0px));
    padding-bottom: calc(54px + env(safe-area-inset-bottom, 0px));
}

.mobile-crop-bar.visible {
    display: flex !important;
}

.mcrop-top, .mcrop-bottom {
    display: flex;
    align-items: center;
    gap: 6px;
    pointer-events: auto;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    border-radius: 10px;
    padding: 6px 10px;
}

.mcrop-ratios {
    display: flex;
    gap: 4px;
    overflow-x: auto;
    flex: 1;
    scrollbar-width: none;
}

.mcrop-ratios::-webkit-scrollbar { display: none; }

.mcrop-ratio {
    padding: 5px 8px;
    font-size: 10px;
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    font-family: var(--font);
}

.mcrop-ratio.active {
    color: var(--accent);
    border-color: var(--accent);
    background: rgba(13,153,255,0.15);
}

.mcrop-btn {
    padding: 8px 14px;
    font-size: 16px;
    color: var(--text-primary);
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font);
    border-radius: 8px;
}

.mcrop-btn:active { background: rgba(255,255,255,0.1); }

.mcrop-apply {
    color: var(--accent);
    font-weight: 700;
    font-size: 20px;
}

.mcrop-slider {
    flex: 1;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: rgba(255,255,255,0.2);
    border-radius: 2px;
    outline: none;
}

.mcrop-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    border-radius: 50%;
    background: white;
    border: none;
}

.mcrop-angle {
    font-size: 11px;
    color: var(--text-secondary);
    min-width: 30px;
    text-align: right;
    font-family: var(--font);
}

/* ===================== Drop Zone ===================== */
.drop-zone {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-canvas);
    z-index: 10;
}

.drop-zone-content {
    text-align: center;
    padding: 60px 80px;
    border: 1.5px dashed var(--border);
    border-radius: 12px;
    transition: all var(--transition);
    max-width: 400px;
}

.drop-zone.drag-over .drop-zone-content {
    border-color: var(--accent);
    background: var(--accent-dim);
}

.drop-zone-content svg {
    width: 48px;
    height: 48px;
    stroke: var(--text-muted);
    margin-bottom: 16px;
}

.drop-zone-content h2 {
    font-size: 16px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-primary);
}

.drop-zone-content p {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.6;
}

/* ===================== Histogram ===================== */
.histogram-section {
    flex-shrink: 0;
    border-bottom: 1px solid var(--border);
}

.histogram-toggle {
    display: flex;
    align-items: center;
    padding: 6px 14px;
    font-size: 9.5px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.histogram-toggle::-webkit-details-marker { display: none; }

.histogram-toggle::before {
    content: '▸';
    margin-right: 6px;
    font-size: 8px;
    transition: transform var(--transition);
}

.histogram-section[open] .histogram-toggle::before {
    transform: rotate(90deg);
}

.histogram-container {
    padding: 0 14px 8px;
}

#histogram-canvas {
    display: block;
    width: 100%;
    height: 48px;
    border-radius: var(--radius-sm);
    background: var(--bg-input);
}

/* ===================== Panel Tabs (horizontal - hidden, replaced by vtabs) ===================== */
.panel-tabs { display: none; }

/* ===================== Panels ===================== */
.panels-container {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
}

.edit-panel {
    display: none;
    padding: 14px;
}

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

/* Review shares the panel scroller; its actions stay reachable on short screens. */
.review-heading {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 10px;
}
.review-heading h2 { font-size: 18px; font-weight: 600; }
.review-heading > span {
    font-size: 10px;
    color: var(--accent);
    background: var(--accent-dim);
    border-radius: 12px;
    padding: 4px 8px;
}
#panel-review { font-size: 12px; line-height: 1.6; overflow-wrap: anywhere; }
#panel-review [hidden], #compare-label[hidden] { display: none !important; }
#panel-review h3 { font-size: 12px; margin: 18px 0 6px; color: var(--text-bright); }
#panel-review p { margin-bottom: 10px; }
#panel-review ul { padding-left: 18px; }
#panel-review li { margin-bottom: 6px; }
#panel-review a { color: var(--accent); text-decoration: underline; }
.review-note { color: var(--text-secondary); font-size: 11px; }
.review-connection {
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px;
    margin: 14px 0;
}
.review-connection summary { cursor: pointer; color: var(--text-primary); }
.review-connection label, .review-field-label { display: block; margin: 10px 0 5px; }
#panel-review input[type="url"],
#panel-review input[type="password"],
#panel-review select,
#panel-review textarea {
    width: 100%;
    padding: 8px;
    color: var(--text-primary);
    background: var(--bg-input);
    border: 1px solid var(--border);
    border-radius: 6px;
    font: inherit;
}
#panel-review textarea { resize: vertical; min-height: 64px; max-height: 180px; }
.review-consent { display: flex; align-items: flex-start; gap: 8px; margin: 12px 0; font-size: 11px; }
.review-consent input { flex-shrink: 0; margin-top: 4px; width: 16px; height: 16px; }
.review-request-actions { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.review-manual-steps { padding-left: 20px; margin: 12px 0; }
.review-manual-steps li { margin: 8px 0; }
#review-prompt, #review-paste { font-family: monospace; overflow-wrap: anywhere; }
#review-manual button { min-height: 44px; white-space: normal; }
.review-status { color: var(--accent); padding: 8px 0; }
.review-status.review-error { color: var(--danger); }
.review-rating { font-size: 30px; font-weight: 600; color: var(--text-bright); margin-top: 14px; }
.review-adjustment { border-bottom: 1px solid var(--border); padding: 10px 0; }
.review-adjustment strong { overflow-wrap: anywhere; }
#review-alternative { width: 100%; min-height: 44px; margin-bottom: 8px; }
.review-adjustment > span { float: right; font-variant-numeric: tabular-nums; }
.review-adjustment p { clear: both; color: var(--text-secondary); font-size: 11px; }
.review-apply-bar {
    background: var(--bg-panel);
    border-top: 1px solid var(--border);
    padding: 12px 0 6px;
    margin-top: 12px;
}
.review-apply-bar label { display: flex; justify-content: space-between; margin-bottom: 10px; }
#review-compare { width: 100%; touch-action: pan-y; user-select: none; -webkit-touch-callout: none; }
#panel-review button { min-height: 36px; }
.vtab-review { font-size: 11px; font-weight: 700; flex-shrink: 0; }
.compare-label {
    position: absolute;
    top: 12px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: #fff;
    border-radius: 6px;
    padding: 5px 10px;
    font-size: 12px;
    pointer-events: none;
    z-index: 20;
    white-space: nowrap;
}
#main-canvas { touch-action: none; user-select: none; -webkit-touch-callout: none; }
.sidebar-right-inner, .vpanel-area, .panels-container { min-height: 0; }
.panels-container { overscroll-behavior: contain; }
@media (max-height: 600px) {
    .review-apply-bar { position: static; }
}

.panel-separator {
    height: 1px;
    background: var(--border);
    margin: 14px 0;
}

.panel-section-header {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 10px;
    margin-top: 14px;
}

.panel-section-header:first-child {
    margin-top: 0;
}

/* ===================== Sliders ===================== */
.slider-row {
    margin-bottom: 8px;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 4px;
}

.slider-label {
    color: var(--text-secondary);
    font-size: 10.5px;
    font-weight: 400;
}

.slider-value {
    color: var(--text-primary);
    font-size: 10px;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    min-width: 32px;
    text-align: right;
}

.slider-input {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 3px;
    border-radius: 1.5px;
    background: var(--slider-track);
    outline: none;
    cursor: pointer;
    transition: opacity var(--transition);
}

.slider-input:hover {
    opacity: 1;
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.4);
    transition: transform var(--transition), box-shadow var(--transition);
}

.slider-input::-webkit-slider-thumb:hover {
    transform: scale(1.15);
    box-shadow: 0 1px 5px rgba(0,0,0,0.5);
}

.slider-input:active::-webkit-slider-thumb {
    transform: scale(1.2);
    background: var(--text-bright);
}

.slider-input::-moz-range-thumb {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--text-primary);
    cursor: pointer;
    border: none;
    box-shadow: 0 1px 3px rgba(0,0,0,0.4);
}

/* ===================== Left Sidebar — Presets ===================== */
.presets-panel {
    padding: 14px;
    flex: 1;
    overflow-y: auto;
}

.presets-panel h3 {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.presets-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px;
}

.preset-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px 6px;
    background: var(--bg-panel-alt);
    border: 1px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
}

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

.preset-card:active {
    background: var(--bg-active);
}

.preset-icon {
    font-size: 16px;
    margin-bottom: 4px;
    line-height: 1;
}

.preset-name {
    font-size: 9.5px;
    font-weight: 450;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.3;
}

.preset-card:hover .preset-name {
    color: var(--text-primary);
}

/* ===================== Tone Curve ===================== */
.curve-container {
    padding: 0;
}

.curve-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: 10px;
}

.curve-tab {
    flex: 1;
    padding: 5px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 10px;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    font-family: var(--font);
}

.curve-tab:hover { color: var(--text-secondary); background: var(--bg-hover); }
.curve-tab.active { border-color: var(--text-muted); color: var(--text-primary); background: var(--bg-hover); }
.curve-tab-r.active { color: #f87171; border-color: #f87171; }
.curve-tab-g.active { color: #4ade80; border-color: #4ade80; }
.curve-tab-b.active { color: #60a5fa; border-color: #60a5fa; }

.curve-canvas {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-input);
    border-radius: var(--radius);
    cursor: crosshair;
    display: block;
    border: 1px solid var(--border);
}

/* ===================== HSL ===================== */
.hsl-subtabs {
    display: flex;
    gap: 2px;
    margin-bottom: 12px;
    background: var(--bg-input);
    border-radius: var(--radius);
    padding: 2px;
}

.hsl-subtab {
    flex: 1;
    padding: 6px 4px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 10px;
    font-weight: 500;
    text-align: center;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
    font-family: var(--font);
}

.hsl-subtab:hover { color: var(--text-secondary); }
.hsl-subtab.active { background: var(--bg-hover); color: var(--text-primary); }

/* ===================== Color Grading ===================== */
.color-grade-section {
    margin-bottom: 16px;
}

.color-grade-section h4 {
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.color-grade-row {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.color-grade-picker {
    width: 32px;
    height: 32px;
    border: 2px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    background: none;
    padding: 0;
    transition: border-color var(--transition);
}

.color-grade-picker:hover {
    border-color: var(--text-muted);
}

.color-grade-picker::-webkit-color-swatch-wrapper { padding: 0; }
.color-grade-picker::-webkit-color-swatch { border: none; border-radius: 50%; }

/* ===================== Masks ===================== */
.mask-tools {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.mask-tools .btn {
    background: var(--bg-panel-alt);
    border: 1px solid var(--border);
    padding: 6px 10px;
    font-size: 10px;
}

.mask-tools .btn:hover {
    border-color: var(--text-muted);
}

.mask-list {
    margin-bottom: 12px;
}

.mask-item {
    padding: 7px 10px;
    background: var(--bg-panel-alt);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    margin-bottom: 3px;
    font-size: 10.5px;
    transition: all var(--transition);
    color: var(--text-secondary);
}

.mask-item:hover { background: var(--bg-hover); color: var(--text-primary); }
.mask-item.active { border-color: var(--accent); color: var(--accent); background: var(--accent-dim); }

.mask-adjustments h4 {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
    margin-bottom: 10px;
}

/* ===================== Modal ===================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.75);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(8px);
}

.modal-overlay.visible { display: flex; }

.modal {
    background: var(--bg-panel);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 24px;
    width: 360px;
    max-width: 90vw;
    box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

.modal h3 {
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--text-bright);
}

.modal-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.modal-row label {
    color: var(--text-secondary);
    font-size: 11px;
}

.modal-row select {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-primary);
    border-radius: var(--radius);
    padding: 6px 10px;
    font-size: 11px;
    font-family: var(--font);
}

.modal-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 20px;
}

.modal-actions .btn {
    padding: 7px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.modal-actions .btn-primary, .modal-actions .btn-accent {
    background: var(--accent);
    border-color: var(--accent);
    color: var(--text-bright);
    font-weight: 500;
}

.modal-actions .btn-primary:hover, .modal-actions .btn-accent:hover {
    background: var(--accent-hover);
}

/* ===================== Batch Modal ===================== */
.modal-wide {
    width: 500px;
    max-width: 95vw;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
}

.modal-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
}

.modal-header-row h3 { margin: 0; }

.batch-desc {
    color: var(--text-secondary);
    font-size: 11px;
    margin-bottom: 14px;
}

.batch-import-area {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    border: 1.5px dashed var(--border);
    border-radius: var(--radius);
    margin-bottom: 12px;
    transition: all var(--transition);
}

.batch-import-area.drag-over {
    border-color: var(--accent);
    background: var(--accent-dim);
}

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

.batch-options {
    display: flex;
    gap: 16px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.batch-options .modal-row { margin-bottom: 0; }

.batch-list-container {
    flex: 1;
    overflow-y: auto;
    max-height: 250px;
    margin-bottom: 8px;
}

.batch-list { display: flex; flex-direction: column; gap: 3px; }

.batch-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px;
    background: var(--bg-panel-alt);
    border-radius: var(--radius-sm);
    font-size: 11px;
}

.batch-item-thumb {
    width: 32px;
    height: 32px;
    border-radius: 3px;
    object-fit: cover;
    background: var(--bg-input);
    flex-shrink: 0;
}

.batch-item-name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.batch-item-size { color: var(--text-muted); font-size: 10px; flex-shrink: 0; }
.batch-item-status { flex-shrink: 0; font-size: 11px; min-width: 20px; text-align: center; }

.batch-item-remove {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 12px;
    padding: 2px 4px;
    border-radius: 3px;
}

.batch-item-remove:hover { color: var(--danger); }

.batch-progress-bar {
    height: 4px;
    background: var(--bg-input);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: 8px;
}

.batch-progress-fill {
    height: 100%;
    background: var(--accent);
    border-radius: 2px;
    width: 0%;
    transition: width 0.3s ease;
}

.batch-status {
    font-size: 11px;
    color: var(--text-secondary);
    min-height: 16px;
    margin-bottom: 8px;
}

/* ===================== Scrollbar ===================== */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-active); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===================== Mobile Close Button ===================== */
.sidebar-close {
    display: none;
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 10;
    background: var(--bg-panel-alt);
    border: 1px solid var(--border);
    color: var(--text-primary);
    width: 28px;
    height: 28px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 14px;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
}


/* ===================== Mobile Layout (Lightroom-style) ===================== */

/* Hidden by default on desktop */
.mobile-tabs { display: none; }
.mobile-tab {
    flex: 0 0 auto;
    padding: 10px 14px;
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    white-space: nowrap;
    font-family: var(--font);
}
.mobile-tab.active { color: var(--text-bright); }

/* Tablet: hide presets sidebar */
@media (max-width: 900px) {
    .sidebar-left { display: none; }
    .sidebar-right { width: 280px; }
}

/* ==================== PHONE LAYOUT ==================== */
@media (max-width: 700px) {

    /* --- Lock viewport --- */
    html, body {
        position: fixed;
        width: 100%;
        height: 100%;
        overflow: hidden;
    }

    /* --- Toolbar: compact, safe area aware --- */
    .toolbar {
        padding: 0 8px;
        padding-top: env(safe-area-inset-top, 0);
        height: calc(40px + env(safe-area-inset-top, 0px));
        min-height: 40px;
    }
    .toolbar button { padding: 6px 6px; font-size: 0; gap: 0; }
    .toolbar button svg { width: 18px; height: 18px; }
    .logo { font-size: 12px; margin-right: auto; letter-spacing: 1.5px; }
    .logo-icon { display: none; }
    .separator { display: none; }
    #btn-auto { font-size: 10px; }
    #btn-export { font-size: 10px; }
    #btn-batch { display: none; }
    #btn-before-after { display: none; }
    #btn-reset { display: none; }

    /* --- Main layout: vertical stack --- */
    .editor-layout {
        flex-direction: column;
        height: calc(100% - 40px - env(safe-area-inset-top, 0px));
        overflow: hidden;
    }

    /* --- Hide desktop panels --- */
    .sidebar-left { display: none !important; }
    .resize-handle { display: none !important; }

    /* --- Canvas area: top portion --- */
    .canvas-area {
        flex: 1;
        min-height: 0;
        overflow: hidden;
    }

    .editor-layout:has(.sidebar-right.mobile-open #panel-review.active) .canvas-area {
        margin-bottom: min(50vh, 350px);
    }

    #main-canvas {
        display: block;
    }

    /* --- Bottom control area: Lightroom-style --- */
    /* Tab strip at bottom, edit panel above it */

    .mobile-tabs {
        display: block !important;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        background: var(--bg-panel);
        border-top: 1px solid var(--border);
        z-index: 195;
        padding-bottom: env(safe-area-inset-bottom, 0px);
    }

    .mobile-tabs-inner {
        display: flex;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        height: 42px;
        align-items: center;
        padding: 0 4px;
    }

    .mobile-tabs-inner::-webkit-scrollbar { display: none; }

    .mobile-tab {
        padding: 8px 12px;
        font-size: 10px;
    }

    .mobile-tab.active {
        color: var(--accent);
        position: relative;
    }

    .mobile-tab.active::after {
        content: '';
        position: absolute;
        top: 2px;
        left: 25%;
        right: 25%;
        height: 2px;
        background: var(--accent);
        border-radius: 1px;
    }

    /* --- Edit panel: slides up from bottom, above tab strip --- */
    .sidebar-right {
        position: fixed;
        left: 0;
        right: 0;
        bottom: calc(42px + env(safe-area-inset-bottom, 0px));
        top: auto;
        width: 100% !important;
        max-width: none !important;
        height: 50vh;
        max-height: 350px;
        z-index: 190;
        transform: translateY(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-top: 1px solid var(--border);
        border-radius: 14px 14px 0 0;
        overflow: hidden;
        box-shadow: 0 -8px 32px rgba(0, 0, 0, 0.5);
    }

    .sidebar-right.mobile-open {
        transform: translateY(0);
    }

    .sidebar-right .sidebar-right-inner {
        flex-direction: column;
        min-height: 0;
    }

    /* Hide vertical tabs on mobile */
    .vtabs { display: none !important; }
    .vpanel-area { width: 100%; height: 100%; }

    /* Drag handle at top of bottom sheet */
    .sidebar-right::before {
        content: '';
        display: block;
        width: 36px;
        height: 4px;
        background: var(--text-muted);
        border-radius: 2px;
        margin: 8px auto 4px;
        opacity: 0.5;
    }

    .sidebar-close { display: none !important; }

    /* Hide histogram on mobile */
    .histogram-section { display: none !important; }

    /* Panels container scrolls */
    .panels-container {
        flex: 1;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 12px;
    }

    .edit-panel { padding: 8px 16px; }
    #panel-review input[type="url"],
    #panel-review input[type="password"],
    #panel-review select,
    #panel-review textarea { font-size: 16px; }
    #panel-review button { min-height: 42px; }

    /* Slider touch targets bigger */
    .slider-input { height: 6px; }
    .slider-input::-webkit-slider-thumb { width: 20px; height: 20px; }
    .slider-input::-moz-range-thumb { width: 20px; height: 20px; }
    .slider-row { margin-bottom: 12px; }
    .slider-header { margin-bottom: 5px; }
    .slider-label { font-size: 12px; }
    .slider-value { font-size: 11px; }

    /* Drop zone */
    .drop-zone-content { padding: 40px 30px; }
    .drop-zone-content h2 { font-size: 16px; }
    .drop-zone-content svg { width: 40px; height: 40px; }

    /* Modals */
    .modal { width: 92vw !important; max-width: none !important; padding: 16px; border-radius: 14px; }
    .modal-wide { width: 92vw !important; }

    /* Filmstrip */
    .filmstrip { height: 56px; }
    .filmstrip-thumb { width: 42px; height: 42px; }

    /* Library grid */
    .library-grid { grid-template-columns: repeat(auto-fill, minmax(90px, 1fr)); gap: 4px; }

    /* Crop ratios */
    .crop-ratios { gap: 6px; }
    .crop-ratio-btn { padding: 8px 10px; font-size: 11px; }

    /* Presets grid on mobile */
    .presets-grid { grid-template-columns: repeat(3, 1fr); gap: 6px; }
    .preset-card { padding: 10px 4px; }
    .preset-icon { font-size: 20px; }
    .preset-name { font-size: 10px; }

    /* Mask tools */
    .mask-tools { gap: 6px; }
    .mask-tools .btn { padding: 8px 10px; font-size: 11px; }

    /* Make canvas area account for fixed tab bar */
    .editor-layout {
        padding-bottom: calc(42px + env(safe-area-inset-bottom, 0px));
    }
}

@media (max-width: 400px) {
    .toolbar button { padding: 5px 4px; }
    .mobile-tab { padding: 8px 10px; font-size: 9px; }
    .preset-card { padding: 8px 2px; }
}

/* ===================== Mobile Backdrop ===================== */
.mobile-backdrop { display: none; }

/* ===================== Animations ===================== */
@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.98); }
    to { opacity: 1; transform: scale(1); }
}

.editor-layout.has-image .canvas-area {
    animation: fadeIn 0.2s ease;
}

/* ===================== Info Text ===================== */
.panel-info {
    font-size: 10px;
    color: var(--text-muted);
    padding: 6px 0;
    line-height: 1.5;
    font-style: italic;
}

/* ===================== Library ===================== */
.library-view {
    position: absolute;
    inset: 0;
    background: var(--bg-canvas);
    z-index: 15;
    overflow-y: auto;
    padding: 20px;
}

.library-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.library-header h2 {
    font-size: 16px;
    font-weight: 500;
    color: var(--text-primary);
}

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

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 8px;
}

.lib-thumb {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    background: var(--bg-panel);
    border: 2px solid transparent;
    transition: border-color var(--transition), transform var(--transition);
}

.lib-thumb:hover { border-color: var(--accent); transform: scale(1.02); }
.lib-thumb.active { border-color: var(--accent); }
.lib-thumb img { width: 100%; height: 100%; object-fit: cover; }

.lib-thumb-edited {
    position: absolute;
    top: 6px; right: 6px;
    width: 8px; height: 8px;
    background: var(--accent);
    border-radius: 50%;
}

.lib-thumb-name {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    padding: 4px 6px;
    background: rgba(0,0,0,0.7);
    font-size: 9px;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.filmstrip {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 64px;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--border);
    z-index: 20;
    flex-shrink: 0;
}

.filmstrip-inner {
    display: flex;
    gap: 4px;
    padding: 6px 12px;
    overflow-x: auto;
    height: 100%;
    align-items: center;
    scrollbar-width: none;
}

.filmstrip-inner::-webkit-scrollbar { display: none; }

.filmstrip-thumb {
    width: 48px; height: 48px;
    border-radius: 3px;
    object-fit: cover;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.6;
    transition: all var(--transition);
    flex-shrink: 0;
}

.filmstrip-thumb:hover { opacity: 1; }
.filmstrip-thumb.active { border-color: var(--accent); opacity: 1; }

.lib-folder-path {
    font-size: 10px;
    color: var(--text-muted);
    padding: 4px 0 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.lib-folder-path::before { content: '📁'; }