/* ===== CSS Custom Properties ===== */
:root {
    --bg-primary:       #0d1117;
    --bg-secondary:     #161b22;
    --bg-tertiary:      #1c2333;
    --bg-card:          #1c2333;
    --text-primary:     #e6edf3;
    --text-secondary:   #8b949e;
    --accent:           #2ea043;
    --accent-hover:     #3fb950;
    --accent-secondary: #58a6ff;
    --border:           #30363d;
    --slider-track:     #30363d;
    --slider-thumb:     #2ea043;
    --radius:           6px;
    --shadow:           0 2px 12px rgba(0,0,0,0.4);
    --transition:       0.2s ease;
    --rail-w:           68px;
    --panel-w:          260px;
    --ai-panel-w:       280px;
    --panel-slide:      0.28s cubic-bezier(.4,0,.2,1);
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    height: 100%;
    overflow: hidden;
}

/* ===== App Layout ===== */
.app-container { display: none; flex-direction: column; height: 100vh; width: 100vw; }
.app-container.visible { display: flex; }

/* ===== Top Toolbar ===== */
.toolbar {
    display: flex; align-items: center; gap: 6px;
    padding: 6px 14px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0; z-index: 100;
    min-height: 44px;
}
.toolbar-brand { display: flex; align-items: center; gap: 6px; }
.brand-icon { font-size: 20px; }
.brand-name { font-size: 15px; font-weight: 700; color: var(--accent); letter-spacing: .3px; }
.toolbar .separator { width: 1px; height: 24px; background: var(--border); margin: 0 4px; }
.toolbar-group { display: flex; align-items: center; gap: 4px; }
.toolbar-spacer { flex: 1; }

/* ===== Main Content Row ===== */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
    position: relative;
    align-items: stretch;
    min-height: 0;
}

/* ===== Left Icon Rail ===== */
.tool-rail {
    width: var(--rail-w);
    min-width: var(--rail-w);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px 0;
    gap: 4px;
    flex-shrink: 0;
    z-index: 50;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

.rail-btn {
    width: 52px;
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 10px 4px;
    border: 2px solid transparent; border-radius: 10px;
    background: transparent; color: var(--text-secondary);
    cursor: pointer; transition: background var(--transition), color var(--transition), border-color var(--transition);
    font-family: inherit;
}
.rail-btn:hover  { background: var(--bg-tertiary); color: var(--text-primary); border-color: var(--border); }
.rail-btn.active { background: rgba(88,166,255,.12); color: var(--accent-secondary); border-color: var(--accent-secondary); }
.rail-icon  { font-size: 22px; line-height: 1; display: flex; align-items: center; justify-content: center; }
.rail-icon svg { display: block; color: inherit; }
.rail-label { font-size: 9px; text-transform: uppercase; letter-spacing: .5px; font-weight: 600; }

/* ===== Left Tool Panel ===== */
.tool-panel {
    width: 0;
    overflow: hidden;
    background: var(--bg-secondary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width var(--panel-slide);
    z-index: 40;
    height: 100%;
}
.tool-panel.open { width: var(--panel-w); }

.tool-panel-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 16px 10px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0; white-space: nowrap;
}
.tool-panel-title {
    font-size: 13px; font-weight: 700; color: var(--text-primary);
    text-transform: uppercase; letter-spacing: .6px;
}
.tool-panel-close {
    background: none; border: none; color: var(--text-secondary);
    cursor: pointer; font-size: 14px; padding: 4px 7px; border-radius: 4px;
    transition: color var(--transition), background var(--transition), transform var(--transition);
    line-height: 1; font-family: inherit;
}
.tool-panel-close:hover { color: var(--text-primary); background: var(--bg-tertiary); transform: rotate(90deg); }

.tool-pane {
    overflow-y: auto; flex: 1;
    padding: 14px 14px 20px;
    display: flex; flex-direction: column; gap: 16px;
    min-width: var(--panel-w);
}

/* ===== Pane sections ===== */
.pane-section {
    display: flex; flex-direction: column; gap: 10px;
    border-radius: 10px; padding: 10px; margin: -10px;
    transition: background var(--transition);
    position: relative;
}
.pane-section:hover { background: rgba(88,166,255,.04); }

.pane-label {
    font-size: 10px; text-transform: uppercase; letter-spacing: .7px;
    color: var(--text-secondary); font-weight: 600;
    padding-bottom: 4px; border-bottom: 1px solid var(--border);
}
.pane-desc { font-size: 11px; color: var(--text-secondary); line-height: 1.55; }
.pane-hint { font-size: 11px; color: var(--text-secondary); font-style: italic; line-height: 1.5; }

/* ===== Section Tooltips ===== */
.pane-tooltip {
    display: none;
    position: absolute;
    left: calc(100% + 12px);
    top: 0;
    width: 200px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 10px 12px;
    font-size: 11px;
    color: var(--text-secondary);
    line-height: 1.55;
    box-shadow: 0 4px 16px rgba(0,0,0,.5);
    z-index: 200;
    pointer-events: none;
}
.pane-tooltip::before {
    content: '';
    position: absolute;
    left: -6px; top: 14px;
    width: 10px; height: 10px;
    background: var(--bg-primary);
    border-left: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    transform: rotate(45deg);
}
.pane-tooltip-title {
    font-size: 11px; font-weight: 700; color: var(--text-primary);
    margin-bottom: 4px;
}
.pane-section:hover .pane-tooltip { display: none; }

/* ===== Canvas Area ===== */
.canvas-area {
    flex: 1;
    min-width: 0;
    min-height: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
    padding: 20px;
    position: relative;
    background:
        linear-gradient(45deg, #13171e 25%, transparent 25%),
        linear-gradient(-45deg, #13171e 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #13171e 75%),
        linear-gradient(-45deg, transparent 75%, #13171e 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
    background-color: #0f1318;
}
.canvas-wrapper {
    position: relative;
    display: inline-block;
    box-shadow: var(--shadow);
}

/* ===== Remove tool toggle (3 columns) ===== */
.remove-tool-toggle {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
}
.remove-tool-toggle .mode-btn {
    padding: 8px 4px;
    font-size: 10px;
}
.remove-selection-count {
    font-size: 11px;
    color: var(--accent);
    font-weight: 600;
    text-align: center;
    padding: 4px 0;
}
#editor-canvas { display: block; max-width: 100%; max-height: calc(100vh - 100px); }
#annotation-overlay {
    position: absolute; top: 0; left: 0; display: block; pointer-events: none;
    max-width: 100%; max-height: calc(100vh - 100px); z-index: 2;
}
#crop-overlay {
    position: absolute; top: 0; left: 0; display: none; cursor: crosshair;
    max-width: 100%; max-height: calc(100vh - 100px); z-index: 3;
}

.drop-zone {
    position: absolute; inset: 0;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-primary); z-index: 10;
    transition: background var(--transition);
}
.drop-zone.drag-over { background: var(--bg-tertiary); }
.drop-zone-content {
    display: flex; flex-direction: column; align-items: center; gap: 14px;
    padding: 48px 56px; border: 2px dashed var(--border); border-radius: 16px;
    transition: all var(--transition);
}
.drag-over .drop-zone-content { border-color: var(--accent); background: rgba(46,160,67,.05); }
.drop-zone-icon { font-size: 64px; opacity: .7; }
.drop-zone h2 { font-size: 20px; font-weight: 500; }
.drop-zone p  { color: var(--text-secondary); font-size: 14px; }

.mode-indicator {
    position: absolute; top: 12px; right: 12px;
    display: flex; align-items: center; gap: 8px;
    padding: 6px 14px;
    background: rgba(88,166,255,.15); border: 1px solid var(--accent-secondary);
    border-radius: 20px; font-size: 12px; font-weight: 600; color: var(--accent-secondary);
    z-index: 15; backdrop-filter: blur(8px);
}
.mode-dot {
    width: 8px; height: 8px; background: var(--accent-secondary); border-radius: 50%;
    animation: pulse-dot 1.5s ease-in-out infinite;
}
@keyframes pulse-dot { 0%,100%{ opacity:1 } 50%{ opacity:.4 } }

/* ===== Right AI Panel ===== */
.ai-panel {
    width: 0;
    overflow: hidden;
    background: var(--bg-secondary);
    border-left: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    transition: width var(--panel-slide);
    z-index: 40;
    height: 100%;
}
.ai-panel.open { width: var(--ai-panel-w); }

.ai-panel-header {
    display: flex; align-items: center; gap: 8px;
    padding: 14px 14px 10px; border-bottom: 1px solid var(--border);
    flex-shrink: 0; white-space: nowrap;
}
.ai-panel-title {
    flex: 1; font-size: 12px; font-weight: 700;
    color: var(--text-primary); text-transform: uppercase; letter-spacing: .5px;
}

.ai-panel-body {
    flex: 1; overflow-y: auto; padding: 14px;
    display: flex; flex-direction: column; gap: 16px;
    min-width: var(--ai-panel-w);
}

.ai-suggestion-card {
    background: var(--bg-tertiary); border: 1px solid var(--border); border-radius: 10px;
    padding: 14px; display: flex; flex-direction: column; gap: 8px; align-items: center;
    transition: border-color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.ai-suggestion-card:hover {
    border-color: var(--accent-secondary);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(0,0,0,.3);
}
.ai-suggestion-desc  { font-size: 11px; color: var(--text-secondary); line-height: 1.55; text-align: center; }
.ai-suggestion-apply {
    width: 100%; padding: 7px 12px; font-size: 12px; font-weight: 600;
    background: rgba(88,166,255,.12); border: 1px solid var(--accent-secondary);
    border-radius: var(--radius); color: var(--accent-secondary);
    cursor: pointer; transition: background var(--transition), color var(--transition);
    font-family: inherit; text-align: center;
}
.ai-suggestion-apply:hover:not(:disabled) {
    background: var(--accent-secondary); color: #fff;
}
.ai-suggestion-apply.ai-applied,
.ai-suggestion-apply:disabled {
    background: rgba(46,160,67,.15); border-color: var(--accent);
    color: var(--accent); cursor: default;
}
.ai-section-label {
    font-size: 10px; text-transform: uppercase; letter-spacing: .7px;
    color: var(--text-secondary); font-weight: 600;
    padding-bottom: 6px; border-bottom: 1px solid var(--border);
}
.ai-suggestion-section {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.ai-suggestion-section + .ai-suggestion-section {
    margin-top: 2px;
}
.ai-suggestion-section-body {
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.ai-right-suggestion-detail {
    width: 100%;
    text-align: left;
}
.selection-list {
    list-style: none;
    margin: 6px 0 0;
    padding: 0;
    max-height: 170px;
    overflow-y: auto;
    border: 1px solid var(--border);
    background: var(--bg-secondary);
    border-radius: 8px;
}
.selection-item {
    padding: 8px 9px;
    border-bottom: 1px solid var(--border);
    font-size: 12px;
    color: var(--text-primary);
}
.selection-item:last-child { border-bottom: none; }
.selection-item.ai-selection { background: rgba(46,160,67,.06); }
.selection-item.user-selection { background: rgba(88,166,255,.05); }
.selection-item .selection-source {
    font-weight: 700; text-transform: uppercase; letter-spacing: .4px; font-size: 10px;
    color: var(--text-secondary); margin-bottom: 2px;
}
.selection-item .selection-meta {
    display: flex; justify-content: space-between; align-items: center; gap: 8px;
}
.selection-item .selection-remove-btn {
    border: 0; background: rgba(233, 69, 96, .12); color: #e94560;
    font-size: 12px; width: 20px; height: 20px; border-radius: 999px;
    cursor: pointer; line-height: 1; display: inline-flex; align-items: center; justify-content: center;
}
.selection-item .selection-remove-btn:hover {
    background: rgba(233, 69, 96, .22);
}
.selection-item .selection-reason {
    font-size: 11px; color: var(--text-secondary); margin-top: 4px;
}
/* AI cat-btn and overall applied state */
.ai-cat-btn.ai-applied { border-color: var(--accent) !important; background: rgba(46,160,67,.12) !important; color: var(--accent) !important; cursor: default; }
.btn-ai-big.ai-applied { border-color: var(--accent) !important; background: rgba(46,160,67,.12) !important; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    gap: 5px; padding: 6px 12px;
    border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg-card); color: var(--text-primary);
    font-size: 12px; cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
    white-space: nowrap; font-family: inherit;
}
.btn:hover:not(:disabled)  { background: var(--bg-tertiary); border-color: var(--accent-secondary); color: var(--text-primary); }
.btn:active:not(:disabled) { transform: scale(.97); }
.btn:disabled              { opacity: .4; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); border-color: var(--accent-hover); color: #fff; box-shadow: 0 2px 10px rgba(46,160,67,.3); }
.btn-icon  { padding: 5px 8px; font-size: 15px; }
.btn-small { padding: 3px 8px; font-size: 11px; }
.w-full    { width: 100%; }

.btn-ai {
    width: 100%; padding: 9px 12px;
    border: 1px dashed var(--accent-secondary); border-radius: var(--radius);
    background: rgba(88,166,255,.06); color: var(--accent-secondary);
    font-size: 12px; cursor: pointer;
    transition: background var(--transition), border-style var(--transition);
    font-family: inherit;
}
.btn-ai:hover:not(:disabled) { background: rgba(88,166,255,.15); border-style: solid; }
.btn-ai:disabled { opacity: .5; cursor: not-allowed; }

/* ===== Compare Button ===== */
.btn-compare {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
    user-select: none;
}
.btn-compare:hover:not(:disabled) {
    background: rgba(88,166,255,.12);
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
}
.btn-compare:active, .btn-compare.comparing {
    background: transparent;
    box-shadow: none;
    outline: none;
}

.compare-badge {
    position: absolute; top: 12px; left: 50%;
    transform: translateX(-50%);
    background: rgba(13,17,23,.85);
    border: 1px solid var(--accent-secondary);
    color: var(--accent-secondary); font-size: 12px; font-weight: 700;
    padding: 4px 16px; border-radius: 20px;
    letter-spacing: .5px; z-index: 20;
    pointer-events: none;
    backdrop-filter: blur(4px);
}

/* ===== Retouch cursor ===== */
.retouch-cursor {
    position: absolute; border-radius: 50%;
    border: 2px solid rgba(88,166,255,.8);
    pointer-events: none; z-index: 10;
    box-shadow: 0 0 0 1px rgba(0,0,0,.4);
    transform: translate(-50%,-50%);
    mix-blend-mode: screen;
}

/* ===== Retouch mode toggle ===== */
.retouch-mode-toggle { display: flex; gap: 6px; }
.retouch-mode-toggle .mode-btn { padding: 8px 4px; font-size: 10px; }

/* ===== AI Tools pane ===== */
.btn-ai-big {
    width: 100%; display: flex; flex-direction: column; align-items: center;
    gap: 4px; padding: 18px 12px;
    background: linear-gradient(135deg, rgba(88,166,255,.1), rgba(46,160,67,.1));
    border: 1px solid var(--accent-secondary); border-radius: 12px; cursor: pointer;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
    font-family: inherit; color: var(--text-primary);
}
.btn-ai-big:hover:not(:disabled) {
    background: linear-gradient(135deg, rgba(88,166,255,.2), rgba(46,160,67,.2));
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(88,166,255,.2);
}
.ai-big-icon  { font-size: 28px; }
.ai-big-label { font-size: 13px; font-weight: 700; color: var(--accent-secondary); }
.ai-big-desc  { font-size: 10px; color: var(--text-secondary); }

.ai-btn-list { display: flex; flex-direction: column; gap: 6px; }
.ai-cat-btn {
    width: 100%; display: flex; align-items: center; gap: 10px;
    padding: 10px 14px;
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: 8px; cursor: pointer;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
    font-family: inherit; color: var(--text-primary); font-size: 13px;
}
.ai-cat-btn:hover { border-color: var(--accent-secondary); background: rgba(88,166,255,.08); transform: translateX(3px); }
.ai-cat-label { font-size: 12px; font-weight: 600; }

/* ===== Filter Grid ===== */
.filter-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 6px; }
.filter-btn {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 10px 6px; border: 1px solid var(--border); border-radius: var(--radius);
    background: var(--bg-card); color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
    font-size: 18px; font-family: inherit;
}
.filter-btn span { font-size: 10px; text-transform: uppercase; letter-spacing: .3px; }
.filter-btn:hover { border-color: var(--accent); background: var(--bg-tertiary); color: var(--text-primary); transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,.25); }
.filter-btn:hover span { color: var(--text-primary); }
.filter-btn:active { transform: scale(.96); }

/* ===== Custom Filter Builder ===== */
.custom-filter-card {
    background: var(--bg-primary); border: 1px solid var(--border);
    border-radius: 10px; padding: 14px;
    display: flex; flex-direction: column; gap: 10px;
}
.custom-filter-preview {
    width: 100%; height: 80px; border-radius: 6px;
    background: var(--bg-tertiary); border: 1px solid var(--border);
    display: flex; align-items: center; justify-content: center;
    font-size: 11px; color: var(--text-secondary);
    overflow: hidden; position: relative;
}
.custom-filter-preview canvas { width: 100%; height: 100%; object-fit: cover; display: block; }
.custom-filter-sliders { display: flex; flex-direction: column; gap: 6px; }
.custom-filter-actions { display: flex; gap: 6px; }

/* ===== Sliders ===== */
.slider-group { display: flex; flex-direction: column; gap: 5px; }
.slider-header {
    display: flex; justify-content: space-between; align-items: center;
    font-size: 12px;
}
.slider-header .label { color: var(--text-primary); font-size: 12px; }
.slider-header .value {
    color: var(--accent); font-weight: 700; min-width: 32px;
    text-align: right; font-size: 12px;
}

input[type="range"] {
    -webkit-appearance: none; appearance: none;
    width: 100%; height: 4px;
    background: var(--slider-track);
    border-radius: 2px; outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none; appearance: none;
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--slider-thumb);
    border: 2px solid var(--bg-secondary);
    cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition);
    box-shadow: 0 1px 4px rgba(0,0,0,.4);
}
input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 0 0 4px rgba(46,160,67,.2);
}
input[type="range"]::-moz-range-thumb {
    width: 16px; height: 16px; border-radius: 50%;
    background: var(--slider-thumb); cursor: pointer; border: 2px solid var(--bg-secondary);
}

/* ===== Color Swatches ===== */
.color-swatches { display: flex; gap: 5px; flex-wrap: wrap; }
.color-swatch {
    width: 24px; height: 24px; border-radius: 5px;
    border: 2px solid transparent; cursor: pointer;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    padding: 0;
}
.color-swatch:hover  { transform: scale(1.15); box-shadow: 0 0 8px rgba(255,255,255,.25); }
.color-swatch.active { border-color: #fff; box-shadow: 0 0 6px rgba(255,255,255,.3); }

/* ===== Mode Toggle ===== */
.objects-mode-toggle { display: flex; gap: 8px; }
.mode-btn {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 10px 6px; background: var(--bg-primary); border: 2px solid var(--border);
    border-radius: var(--radius); color: var(--text-secondary); cursor: pointer;
    transition: border-color var(--transition), background var(--transition), color var(--transition), transform var(--transition);
    font-family: inherit;
}
.mode-btn:hover  { border-color: var(--accent-secondary); color: var(--text-primary); transform: translateY(-1px); }
.mode-btn.active { border-color: var(--accent); background: rgba(46,160,67,.1); color: var(--accent); }
.mode-icon  { font-size: 18px; }
.mode-label { font-size: 10px; font-weight: 600; }

/* ===== Text Input ===== */
.text-input {
    width: 100%; padding: 8px 10px;
    background: var(--bg-primary); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text-primary);
    font-size: 12px; font-family: inherit;
    transition: border-color var(--transition);
    box-sizing: border-box;
}
textarea.text-input { resize: vertical; min-height: 60px; line-height: 1.5; }
.text-input:focus        { outline: none; border-color: var(--accent-secondary); }
.text-input::placeholder { color: var(--text-secondary); }

/* ===== 2-col grid ===== */
.btn-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }

/* ===== AI Filter result ===== */
.filter-ai-result {
    display: none; align-items: center; gap: 6px; padding: 6px 10px;
    border-radius: var(--radius);
    background: rgba(46,160,67,.1); border: 1px solid rgba(46,160,67,.3);
}
.filter-ai-applied { font-size: 11px; color: var(--accent); font-weight: 600; }

/* ===== Floating Chatbot ===== */
.chatbot-bubble {
    position: fixed; bottom: 24px; right: 24px;
    width: 54px; height: 54px;
    background: var(--accent); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; cursor: pointer; z-index: 8000;
    box-shadow: 0 4px 20px rgba(46,160,67,.5);
    transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
    animation: bubble-pulse 3s ease-in-out infinite;
    user-select: none;
}
.chatbot-bubble svg { display: block; color: #fff; }
.chatbot-bubble:hover { transform: scale(1.1); box-shadow: 0 6px 28px rgba(46,160,67,.65); }
.chatbot-bubble.open  { background: var(--bg-tertiary); animation: none; }

@keyframes bubble-pulse {
    0%,100% { box-shadow: 0 4px 20px rgba(46,160,67,.5); }
    50%      { box-shadow: 0 4px 28px rgba(46,160,67,.8); }
}

.chatbot-float {
    position: fixed; bottom: 88px; right: 24px;
    width: 320px; height: 420px;
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 16px; display: flex; flex-direction: column;
    box-shadow: 0 8px 40px rgba(0,0,0,.5);
    z-index: 7999; overflow: hidden;
    transform: scale(.9) translateY(20px);
    opacity: 0; pointer-events: none;
    transition: transform .25s cubic-bezier(.34,1.56,.64,1), opacity .2s ease;
}
.chatbot-float.open { transform: scale(1) translateY(0); opacity: 1; pointer-events: all; }
.chatbot-float-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 12px 14px; border-bottom: 1px solid var(--border);
    background: var(--bg-tertiary); flex-shrink: 0;
}
.chatbot-float-title { font-size: 13px; font-weight: 700; color: var(--text-primary); }
.chatbot-float-close {
    background: none; border: none; color: var(--text-secondary);
    cursor: pointer; font-size: 14px; padding: 2px 5px; border-radius: 4px;
    transition: color var(--transition), background var(--transition), transform var(--transition);
    font-family: inherit;
}
.chatbot-float-close:hover { color: var(--text-primary); background: var(--bg-secondary); transform: rotate(90deg); }
.chatbot-float .chatbot-messages { flex: 1; overflow-y: auto; padding: 12px; display: flex; flex-direction: column; gap: 8px; }
.chatbot-float .chatbot-input-area { flex-shrink: 0; }

/* ===== Chatbot messages ===== */
.chat-message { display: flex; gap: 6px; max-width: 92%; }
.chat-message.bot  { align-self: flex-start; }
.chat-message.user { align-self: flex-end; flex-direction: row-reverse; }
.chat-avatar {
    width: 26px; height: 26px; border-radius: 50%; background: var(--bg-tertiary);
    display: flex; align-items: center; justify-content: center; font-size: 13px; flex-shrink: 0;
}
.chat-message.user .chat-avatar { background: var(--accent); }
.chat-bubble {
    background: var(--bg-tertiary); padding: 7px 11px; border-radius: 12px;
    font-size: 11.5px; line-height: 1.5; color: var(--text-primary);
}
.chat-message.bot  .chat-bubble { border-bottom-left-radius: 4px; }
.chat-message.user .chat-bubble { background: var(--accent); color: #fff; border-bottom-right-radius: 4px; }
.chatbot-input-area { display: flex; gap: 6px; padding: 8px; border-top: 1px solid var(--border); background: var(--bg-secondary); }
.chatbot-input {
    flex: 1; padding: 7px 12px; background: var(--bg-primary); border: 1px solid var(--border);
    border-radius: 20px; color: var(--text-primary); font-size: 11.5px; font-family: inherit;
    transition: border-color var(--transition);
}
.chatbot-input:focus        { outline: none; border-color: var(--accent-secondary); }
.chatbot-input::placeholder { color: var(--text-secondary); }
.chatbot-send {
    width: 34px; height: 34px; padding: 0; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 13px;
    transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}
.chatbot-send:hover:not(:disabled) { transform: scale(1.08); box-shadow: 0 3px 10px rgba(46,160,67,.4); }
.typing-indicator { display: flex; gap: 4px; padding: 6px 10px; }
.typing-indicator span { width: 5px; height: 5px; background: var(--text-secondary); border-radius: 50%; animation: typing 1.4s infinite ease-in-out; }
.typing-indicator span:nth-child(2) { animation-delay: .2s; }
.typing-indicator span:nth-child(3) { animation-delay: .4s; }
@keyframes typing { 0%,60%,100%{ transform:translateY(0); opacity:.4 } 30%{ transform:translateY(-4px); opacity:1 } }

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

/* ===== Disabled state when no image ===== */
.tool-rail,
.toolbar .toolbar-group:not(.toolbar-group-upload) { opacity: .4; pointer-events: none; }
.has-image .tool-rail,
.has-image .toolbar .toolbar-group:not(.toolbar-group-upload) { opacity: 1; pointer-events: all; }
.toolbar .toolbar-brand { opacity: 1 !important; pointer-events: all !important; }

/* ===== Tour blocker overlay ===== */
.tour-blocker {
    position: fixed; inset: 0; z-index: 2490;
    /* transparent, just blocks pointer events */
    background: transparent;
    pointer-events: all;
}
.tour-blocker.hidden { display: none; }

/* ===== Snackbar ===== */
.snackbar {
    position: fixed; bottom: 28px; left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: #323232; color: #fff;
    padding: 12px 24px; border-radius: 8px; font-size: 13px;
    box-shadow: 0 4px 20px rgba(0,0,0,.4);
    opacity: 0; pointer-events: none;
    transition: opacity .25s ease, transform .25s ease;
    z-index: 9999; white-space: nowrap;
}
.snackbar.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }

/* ===== AI Feedback Toast ===== */
.ai-feedback-toast {
    position: fixed;
    bottom: 20px;
    right: 24px;
    left: auto;
    transform: none;
    width: min(400px, calc(100vw - 32px));
    background: var(--bg-secondary);
    border: 1px solid var(--accent-secondary);
    border-radius: 14px;
    box-shadow: 0 8px 32px rgba(0,0,0,.55);
    z-index: 8500;
    overflow: hidden;
    transition: opacity .25s ease, transform .25s ease;
    opacity: 0; pointer-events: none;
}
.ai-feedback-toast.visible { opacity: 1; pointer-events: auto; }

.ai-detect-confirm-panel {
    position: fixed;
    bottom: 120px;
    left: 50%;
    transform: translateX(-50%);
    width: min(420px, calc(100vw - 80px));
    border: 1px solid var(--accent-secondary);
    background: var(--bg-secondary);
    border-radius: 10px;
    box-shadow: 0 6px 24px rgba(0,0,0,.45);
    z-index: 8600;
    padding: 12px;
    display: none;
}
.ai-detect-confirm-panel.visible { display: block; }
.ai-detect-confirm-header {
    font-size: 13px; font-weight: 700; margin-bottom: 8px;
}
.ai-detect-confirm-body {
    font-size: 12px; margin-bottom: 10px; color: var(--text-secondary);
}
.ai-detect-confirm-actions { display: flex; gap: 8px; margin-bottom: 8px; }
.ai-detect-confirm-progress { font-size: 11px; color: var(--text-secondary); }


.ai-feedback-toast-inner {
    display: flex; align-items: center; justify-content: space-between;
    gap: 12px; padding: 13px 16px;
}
.ai-feedback-left {
    display: flex; align-items: center; gap: 12px; min-width: 0;
}
.ai-feedback-icon { font-size: 22px; flex-shrink: 0; }
.ai-feedback-text {
    display: flex; flex-direction: column; gap: 2px; min-width: 0;
}
.ai-feedback-label {
    font-size: 13px; font-weight: 700; color: var(--text-primary);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.ai-feedback-sub {
    font-size: 11px; color: var(--accent-secondary);
    font-style: italic;
}
.ai-feedback-actions {
    display: flex; align-items: center; gap: 6px; flex-shrink: 0;
}

.ai-fb-btn {
    font-size: 18px; background: var(--bg-tertiary);
    border: 1px solid var(--border); border-radius: 8px;
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; transition: transform var(--transition), background var(--transition), border-color var(--transition);
    line-height: 1;
}
.ai-fb-btn:hover { transform: scale(1.15); background: var(--bg-primary); border-color: var(--accent-secondary); }
.ai-fb-btn.selected-up   { background: rgba(46,160,67,.2);  border-color: var(--accent);           }
.ai-fb-btn.selected-down { background: rgba(233,69,96,.15); border-color: #e94560;                  }

.ai-fb-undo {
    padding: 6px 12px; font-size: 11px; font-weight: 600;
    background: transparent; border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text-secondary);
    cursor: pointer; font-family: inherit;
    transition: background var(--transition), border-color var(--transition), color var(--transition);
    white-space: nowrap;
}
.ai-fb-undo:hover { background: var(--bg-tertiary); border-color: var(--text-secondary); color: var(--text-primary); }

.ai-fb-close {
    font-size: 12px; background: none; border: none; color: var(--text-secondary);
    cursor: pointer; padding: 4px 6px; border-radius: 4px;
    transition: color var(--transition), background var(--transition);
    font-family: inherit;
}
.ai-fb-close:hover { color: var(--text-primary); background: var(--bg-tertiary); }

.ai-feedback-reason-section {
    padding: 10px 16px 12px;
    border-top: 1px solid var(--border);
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    background: var(--bg-secondary);
}
.ai-feedback-reason-title {
    width: 100%;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 4px;
}
.ai-feedback-reason-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}
.ai-feedback-reason-btn {
    border: 1px solid var(--border);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: 999px;
    font-size: 11px;
    padding: 5px 10px;
    cursor: pointer;
    transition: background var(--transition), border-color var(--transition), transform var(--transition);
}
.ai-feedback-reason-btn:hover { background: var(--bg-primary); transform: translateY(-1px); }
.ai-feedback-reason-btn.selected { background: rgba(46,160,67,.18); border-color: var(--accent); }

.ai-feedback-thanks {
    padding: 9px 16px 11px;
    background: rgba(46,160,67,.08);
    border-top: 1px solid rgba(46,160,67,.2);
    font-size: 12px; font-weight: 600; color: var(--accent);
    text-align: center;
}


/* ===== Welcome Screen ===== */
.welcome-screen {
    position: fixed; inset: 0; z-index: 1000;
    background: var(--bg-primary);
    display: flex; align-items: center; justify-content: center;
    animation: fadeIn .3s ease;
}
.welcome-screen.hidden { display: none; }
.welcome-card {
    display: flex; flex-direction: column; align-items: center; gap: 20px;
    padding: 56px 64px;
    background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 16px;
    box-shadow: 0 8px 40px rgba(0,0,0,.5);
    max-width: 480px; width: 90%; text-align: center;
}
.welcome-logo  { font-size: 52px; }
.welcome-title { font-size: 28px; font-weight: 700; color: var(--accent); letter-spacing: .5px; }
.welcome-sub   { font-size: 15px; color: var(--text-secondary); margin-top: -8px; }
.role-options  { display: flex; gap: 14px; width: 100%; margin-top: 8px; }
.role-btn {
    flex: 1; display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 24px 16px;
    background: var(--bg-card); border: 2px solid var(--border); border-radius: 12px;
    cursor: pointer; transition: border-color .2s, background .2s, transform .2s, box-shadow .2s;
    color: var(--text-primary); font-family: inherit;
}
.role-btn:hover { border-color: var(--accent-secondary); background: rgba(88,166,255,.07); transform: translateY(-2px); box-shadow: 0 4px 20px rgba(88,166,255,.15); }
.role-icon { font-size: 32px; }
.role-name { font-size: 16px; font-weight: 700; }
.role-desc { font-size: 11px; color: var(--text-secondary); line-height: 1.4; }
#role-pro:hover { border-color: var(--accent); background: rgba(46,160,67,.07); box-shadow: 0 4px 20px rgba(46,160,67,.15); }

@keyframes fadeIn   { from{ opacity:0; transform:scale(.97) } to{ opacity:1; transform:scale(1) } }
@keyframes slideOut { from{ opacity:1; transform:scale(1) } to{ opacity:0; transform:scale(.97) } }

/* ===== Rail spacer + feedback button ===== */
.rail-spacer { flex: 1; }
.rail-btn-feedback {
    border-color: transparent;
    color: var(--text-secondary);
    opacity: .7;
}
.rail-btn-feedback:hover {
    opacity: 1;
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
    background: rgba(88,166,255,.08);
}

.filter-btn.filter-applied {
    border-color: var(--accent);
    background: rgba(46,160,67,.12);
    color: var(--accent);
    position: relative;
}
.filter-btn.filter-applied span { color: var(--accent); }
.filter-btn.filter-applied::after {
    content: '✓';
    position: absolute; top: 3px; right: 4px;
    font-size: 8px; color: var(--accent);
    font-weight: 700;
}

/* ===== Filter intensity bar ===== */
.filter-applied-bar {
    padding: 8px 2px 0;
    display: flex; flex-direction: column; gap: 5px;
}
.filter-applied-bar-label {
    font-size: 10px; text-transform: uppercase; letter-spacing: .5px;
    color: var(--accent); font-weight: 600;
}
.filter-applied-bar-track {
    height: 6px; background: var(--bg-tertiary);
    border-radius: 3px; overflow: hidden;
    border: 1px solid var(--border);
}
.filter-applied-bar-fill {
    height: 100%; background: var(--accent);
    border-radius: 3px; width: 100%;
    animation: filter-bar-fill .5s cubic-bezier(.4,0,.2,1) both;
}
@keyframes filter-bar-fill {
    from { width: 0; }
}

/* ===== App feedback modal ===== */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(0,0,0,.65); z-index: 9000;
    display: flex; align-items: center; justify-content: center; backdrop-filter: blur(3px);
}
.modal-card {
    background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px;
    padding: 28px 28px 24px; width: min(420px,92vw);
    box-shadow: 0 8px 40px rgba(0,0,0,.5);
    display: flex; flex-direction: column; gap: 16px;
    animation: modalIn .2s ease;
}
@keyframes modalIn { from{ opacity:0; transform:scale(.93) translateY(12px) } to{ opacity:1; transform:scale(1) translateY(0) } }
.modal-header  { display: flex; align-items: center; gap: 10px; }
.modal-icon    { font-size: 26px; }
.modal-title   { font-size: 18px; font-weight: 700; }
.modal-desc    { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.modal-desc strong { color: var(--accent-secondary); }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }

.app-fb-stars {
    display: flex; gap: 8px; justify-content: center;
}
.star-btn {
    font-size: 28px; cursor: pointer;
    transition: transform var(--transition), filter var(--transition);
    filter: grayscale(1) opacity(.4);
    user-select: none;
}
.star-btn:hover,
.star-btn.active { filter: grayscale(0) opacity(1); transform: scale(1.2); }

.feedback-textarea {
    resize: vertical; min-height: 64px;
    background: var(--bg-primary); border: 1px solid var(--border); border-radius: var(--radius);
    color: var(--text-primary); padding: 8px 10px; font-size: 12px; font-family: inherit;
    transition: border-color var(--transition); width: 100%;
}
.feedback-textarea:focus { outline: none; border-color: var(--accent-secondary); }

.onboarding-overlay {
    position: fixed; inset: 0; z-index: 2000;
    background: rgba(0,0,0,.55);
    display: flex; align-items: center; justify-content: center;
    backdrop-filter: blur(3px); animation: fadeIn .2s ease;
}
.onboarding-overlay.hidden { display: none; }
.onboarding-popup {
    background: var(--bg-secondary); border: 1px solid var(--border); border-radius: 12px;
    padding: 28px 32px; max-width: 420px; width: 90%;
    box-shadow: 0 12px 48px rgba(0,0,0,.6);
    display: flex; flex-direction: column; gap: 14px; animation: fadeIn .2s ease;
}
.onboarding-header  { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.onboarding-title   { font-size: 16px; font-weight: 700; }
.onboarding-badge   { font-size: 11px; padding: 2px 8px; border-radius: 10px; background: rgba(88,166,255,.12); border: 1px solid var(--accent-secondary); color: var(--accent-secondary); white-space: nowrap; }
.onboarding-text    { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.onboarding-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.tour-overlay { position: fixed; inset: 0; z-index: 2600; pointer-events: none; }
.tour-overlay.hidden { display: none; }
.tour-popup {
    position: absolute; width: 420px; max-width: calc(100vw - 28px);
    background: var(--bg-secondary); border: 1px solid var(--accent-secondary); border-radius: 14px;
    padding: 20px 22px; box-shadow: 0 12px 48px rgba(0,0,0,.6);
    pointer-events: all; display: flex; flex-direction: column; gap: 10px; animation: fadeIn .2s ease;
}
.tour-title        { font-size: 15px; font-weight: 700; }
.tour-text         { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }
.tour-step-counter { font-size: 11px; color: var(--text-secondary); }
.tour-title        { font-size: 15px; font-weight: 700; }
.tour-text         { font-size: 13px; color: var(--text-secondary); line-height: 1.6; }
.tour-progress     { height: 3px; background: var(--border); border-radius: 2px; overflow: hidden; }
.tour-progress-bar { height: 100%; background: var(--accent-secondary); border-radius: 2px; transition: width .3s ease; }
.tour-actions      { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 2px; }
.tour-nav          { display: flex; gap: 6px; }
.tour-highlight {
    outline: 2px solid var(--accent-secondary) !important;
    outline-offset: 3px; border-radius: 6px;
    box-shadow: 0 0 0 4px rgba(88,166,255,.15) !important;
    position: relative; z-index: 2600;
}
.tour-highlight-soft {
    outline: 2px dashed rgba(88,166,255,.5) !important;
    outline-offset: 3px; border-radius: 6px;
    box-shadow: 0 0 0 3px rgba(88,166,255,.08) !important;
    position: relative; z-index: 2600;
}

/* ===== Pro AI hover tip ===== */
.pro-ai-tip {
    position: fixed; z-index: 3000;
    width: 260px;
    background: var(--bg-secondary);
    border: 1px solid var(--accent-secondary);
    border-radius: 10px;
    box-shadow: 0 8px 32px rgba(0,0,0,.5);
    animation: fadeIn .2s ease;
    pointer-events: all;
}
.pro-ai-tip.hidden { display: none; }
.pro-ai-tip-content {
    padding: 14px 16px;
    display: flex; flex-direction: column; gap: 8px;
}
.pro-ai-tip-content strong {
    color: var(--accent-secondary); font-size: 13px;
}
.pro-ai-tip-content p {
    font-size: 12px; color: var(--text-secondary); line-height: 1.5; margin: 0;
}

/* ===== Floating filter intensity overlay ===== */
.filter-intensity-inline {
    background: rgba(88,166,255,.06);
    border: 1px solid rgba(88,166,255,.22);
    border-radius: 10px;
    padding: 10px 12px;
    gap: 8px;
    animation: fadeIn .15s ease;
    margin: 0;
}
.filter-intensity-actions {
    display: flex; gap: 6px;
}
.filter-intensity-actions .btn { flex: 1; }
.filter-intensity-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.filter-intensity-name {
    font-size: 11px;
    font-weight: 700;
    color: var(--accent-secondary);
    text-transform: uppercase;
    letter-spacing: .5px;
}
.filter-intensity-val {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent-secondary);
}
.filter-intensity-range {
    width: 100%;
}

/* ===== Add Objects draggable overlay ===== */
#add-obj-overlay {
    border: 2px dashed var(--accent-secondary);
    border-radius: 4px;
    box-shadow: 0 4px 20px rgba(0,0,0,.5);
    z-index: 20;
}
#add-obj-overlay:hover { border-color: #fff; }
#add-obj-overlay img { border-radius: 3px; }
.add-obj-overlay-handle {
    position: absolute; bottom: -22px; left: 50%;
    transform: translateX(-50%);
    background: var(--accent-secondary); color: #fff;
    font-size: 10px; font-weight: 700;
    padding: 2px 8px; border-radius: 10px;
    white-space: nowrap; pointer-events: none;
    letter-spacing: .3px;
}

/* ===== Generate Image Modal ===== */
.gen-modal-overlay {
    display: none;
    position: absolute; inset: 0; z-index: 300;
    background: rgba(13,17,23,.82); backdrop-filter: blur(4px);
    align-items: center; justify-content: center;
}
.gen-modal-overlay.open { display: flex; }

.gen-modal {
    background: var(--bg-secondary); border: 1px solid var(--border);
    border-radius: 16px; padding: 24px 26px;
    width: min(480px, 92vw); max-height: 90vh; overflow-y: auto;
    display: flex; flex-direction: column; gap: 16px;
    box-shadow: 0 12px 48px rgba(0,0,0,.6);
    animation: slideIn .22s ease;
}
@keyframes slideIn {
    from { opacity: 0; transform: translateY(-16px) scale(.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}
.gen-modal-header {
    display: flex; align-items: center; justify-content: space-between;
}
.gen-modal-title { font-size: 16px; font-weight: 700; color: var(--text-primary); }
.gen-modal-desc  { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }
.gen-field  { display: flex; flex-direction: column; gap: 6px; }
.gen-label  { font-size: 11px; text-transform: uppercase; letter-spacing: .6px; font-weight: 600; color: var(--text-secondary); }
.gen-textarea {
    width: 100%; padding: 10px 12px; resize: vertical;
    background: var(--bg-tertiary); border: 1px solid var(--border);
    border-radius: var(--radius); color: var(--text-primary);
    font-size: 13px; font-family: inherit; line-height: 1.5;
    outline: none; transition: border-color var(--transition);
}
.gen-textarea:focus { border-color: var(--accent-secondary); }
.gen-modal-actions { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
.gen-status {
    display: flex; align-items: center; gap: 10px;
    font-size: 12px; color: var(--text-secondary); padding: 4px 0;
}
.gen-spinner {
    width: 16px; height: 16px; border-radius: 50%;
    border: 2px solid var(--border); border-top-color: var(--accent-secondary);
    animation: spin .7s linear infinite; flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== AI suggestion list/intro (Adjust & Filters right panel) ===== */
.ai-suggestion-intro {
    font-size: 11px; color: var(--text-secondary); line-height: 1.55;
    text-align: left; width: 100%;
}
.ai-suggestion-list {
    font-size: 11px; color: var(--text-secondary); line-height: 1.7;
    padding-left: 14px; margin: 0; width: 100%;
}
.ai-suggestion-list li { margin-bottom: 2px; }
.ai-suggestion-list strong { color: var(--text-primary); }
.ai-reasoning-list {
    font-size: 11px; color: var(--text-secondary); line-height: 1.7;
    padding-left: 14px; margin: 0;
}
.ai-reasoning-list li { margin-bottom: 2px; }
.ai-reasoning-list strong { color: var(--text-primary); }