/* Neon Pulse & Scanner — phủ TOÀN ảnh (cọ + vùng bù đắp) khi chờ AI */
@keyframes processingBorderPulse {
    0%, 100% {
        box-shadow:
            inset 0 0 0 2px rgba(91, 95, 248, 0.45),
            inset 0 0 18px rgba(91, 95, 248, 0.1),
            0 0 6px rgba(91, 95, 248, 0.25);
    }
    50% {
        box-shadow:
            inset 0 0 0 3px rgba(91, 95, 248, 0.95),
            inset 0 0 36px rgba(91, 95, 248, 0.28),
            0 0 18px rgba(91, 95, 248, 0.55);
    }
}

@keyframes processingTintPulse {
    0%, 100% { opacity: 0.45; }
    50% { opacity: 0.85; }
}

@keyframes scanLines {
    0% { transform: translateY(-120%); }
    100% { transform: translateY(220%); }
}

/* Wrapper khi xử lý */
.canvas-wrap.is-processing,
.bgr-canvas-wrap.is-processing,
.oe-canvas-wrap.is-processing,
.tr-canvas-wrap.is-processing,
.wm-canvas-wrap.is-processing,
.wr-canvas-wrap.is-processing {
    overflow: hidden;
}

/* Lớp phủ full-frame — nằm TRÊN cả ảnh gốc + nét cọ */
.processing-overlay {
    display: none;
    position: absolute;
    inset: 0;
    z-index: 40;
    pointer-events: none;
    border-radius: inherit;
    overflow: hidden;
}

.processing-overlay.is-active {
    display: block;
    animation: processingBorderPulse 1.5s ease-in-out infinite;
}

.processing-overlay.is-active::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        rgba(91, 95, 248, 0.08),
        linear-gradient(
            135deg,
            rgba(91, 95, 248, 0.05) 0%,
            rgba(255, 255, 255, 0.14) 45%,
            rgba(91, 95, 248, 0.06) 100%
        );
    animation: processingTintPulse 1.5s ease-in-out infinite;
}

.processing-overlay.is-active::after {
    content: "";
    position: absolute;
    left: -10%;
    right: -10%;
    top: 0;
    height: 42%;
    background: linear-gradient(
        to bottom,
        transparent 0%,
        rgba(255, 255, 255, 0.15) 35%,
        rgba(255, 255, 255, 0.55) 50%,
        rgba(255, 255, 255, 0.15) 65%,
        transparent 100%
    );
    animation: scanLines 2s linear infinite;
}

/* So sánh trước/sau NGAY trên canvas (không block riêng bên dưới) */
.canvas-compare-before {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
    user-select: none;
    z-index: 15;
}

.canvas-wrap.has-compare .canvas-compare-before,
.oe-canvas-wrap.has-compare .canvas-compare-before,
.tr-canvas-wrap.has-compare .canvas-compare-before,
.wm-canvas-wrap.has-compare .canvas-compare-before,
.wr-canvas-wrap.has-compare .canvas-compare-before,
.bgr-canvas-wrap.has-compare .canvas-compare-before {
    display: block;
}

.canvas-compare-handle {
    display: none;
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--slide-pct, 100%);
    width: 3px;
    margin-left: -1.5px;
    background: var(--tn-accent, #5B5FF8);
    z-index: 18;
    pointer-events: none;
    box-shadow: 0 0 8px rgba(91, 95, 248, 0.55);
}

.canvas-compare-handle::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--tn-accent, #5B5FF8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
}

.canvas-wrap.has-compare .canvas-compare-handle,
.oe-canvas-wrap.has-compare .canvas-compare-handle,
.tr-canvas-wrap.has-compare .canvas-compare-handle,
.wm-canvas-wrap.has-compare .canvas-compare-handle,
.wr-canvas-wrap.has-compare .canvas-compare-handle,
.bgr-canvas-wrap.has-compare .canvas-compare-handle {
    display: block;
}

.canvas-compare-slider {
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 20;
    margin: 0;
    opacity: 0;
    cursor: ew-resize;
}

.canvas-wrap.has-compare .canvas-compare-slider,
.oe-canvas-wrap.has-compare .canvas-compare-slider,
.tr-canvas-wrap.has-compare .canvas-compare-slider,
.wm-canvas-wrap.has-compare .canvas-compare-slider,
.wr-canvas-wrap.has-compare .canvas-compare-slider,
.bgr-canvas-wrap.has-compare .canvas-compare-slider {
    display: block;
}

.canvas-wrap.has-compare.is-processing .canvas-compare-before,
.canvas-wrap.has-compare.is-processing .canvas-compare-handle,
.canvas-wrap.has-compare.is-processing .canvas-compare-slider,
.oe-canvas-wrap.has-compare.is-processing .canvas-compare-before,
.wr-canvas-wrap.has-compare.is-processing .canvas-compare-before {
    display: none;
}

/* Legacy — ẩn block so sánh cũ nếu còn trong HTML */
.paint-comparison,
.comparison-container {
    display: none !important;
}

/* Chế độ Tự động / Thủ công */
.paint-mode-toggle {
    display: flex;
    gap: 8px;
    margin: 0 0 16px;
    flex-wrap: wrap;
}

.paint-mode-btn {
    flex: 1;
    min-width: 140px;
    padding: 10px 14px;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    background: #fff;
    font-size: 13px;
    font-weight: 600;
    color: #64748b;
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s, background 0.15s;
}

.paint-mode-btn.is-active {
    border-color: #5b5ff8;
    color: #5b5ff8;
    background: rgba(91, 95, 248, 0.08);
}

.oe-editor.is-manual-mode .oe-toolbar,
.tr-editor.is-manual-mode .tr-toolbar,
.wm-editor.is-manual-mode .wm-toolbar,
.wr-editor.is-manual-mode .wr-toolbar {
    display: flex;
}

.oe-editor:not(.is-manual-mode) .oe-toolbar,
.tr-editor:not(.is-manual-mode) .tr-toolbar,
.wm-editor:not(.is-manual-mode) .wm-toolbar,
.wr-editor:not(.is-manual-mode) .wr-toolbar {
    display: none;
}

/* Legacy slider block */
.paint-comparison {
    margin-top: 24px;
    display: none;
}

.paint-comparison.is-visible {
    display: block;
}

.paint-comparison__label {
    margin: 0 0 10px;
    font-size: 13px;
    font-weight: 600;
    color: var(--muted-foreground, #64748b);
    text-align: center;
}

.paint-comparison__container {
    position: relative;
    width: 100%;
    min-height: 240px;
    max-height: 520px;
    aspect-ratio: auto;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
    background: #f8fafc;
}

.paint-comparison__container.is-ready {
    aspect-ratio: var(--cmp-ratio, 4 / 3);
}

.paint-comparison__img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    pointer-events: none;
    user-select: none;
}

.paint-comparison__before {
    z-index: 10;
}

.paint-comparison__after-wrap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 20;
    overflow: hidden;
    clip-path: inset(0 0 0 var(--slide-pct, 50%));
    -webkit-clip-path: inset(0 0 0 var(--slide-pct, 50%));
}

.paint-comparison__slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 30;
    margin: 0;
    opacity: 0;
    cursor: ew-resize;
}

.paint-comparison__handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: var(--slide-pct, 50%);
    width: 3px;
    margin-left: -1.5px;
    background: #ff2e63;
    z-index: 25;
    pointer-events: none;
    box-shadow: 0 0 8px rgba(255, 46, 99, 0.6);
}

.paint-comparison__handle::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--tn-accent, #5B5FF8);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

[class$="-editor"]:not(.is-manual-mode) [class$="-canvas-wrap"] {
    display: none !important;
}

[class$="-error"].is-rate-limit {
    background: #fee2e2 !important;
    border: 2px solid #ef4444 !important;
    color: #b91c1c !important;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(239, 68, 68, 0.22);
}

/* Preview ảnh ngay trong vùng upload */
.paint-drop-preview {
    display: none;
    width: 100%;
    max-height: min(320px, 48vh);
    object-fit: contain;
    border-radius: 10px;
    margin: 0 auto;
    background: #f1f5f9;
    pointer-events: none;
}

[class$="-drop"].has-preview,
.drop-zone.has-preview {
    padding: 12px 16px;
    border-style: solid;
}

[class$="-drop"].has-preview .paint-drop-preview,
.drop-zone.has-preview .paint-drop-preview {
    display: block;
}

[class$="-drop"].has-preview > svg,
[class$="-drop"].has-preview [class*="drop__icon"],
.drop-zone.has-preview .drop-zone-icon {
    display: none;
}

[class$="-drop"].has-preview [class*="drop__title"],
[class$="-drop"].has-preview [class*="drop__hint"],
.drop-zone.has-preview .drop-zone-title,
.drop-zone.has-preview .drop-zone-hint {
    display: none;
}

[class$="-drop"].has-preview [class*="file-name"],
.drop-zone.has-preview .file-name-display {
    margin-top: 10px;
    font-size: 12px;
}