/**
 * Premium Enhance Quality Tool Styling
 */
:root {
    --eq-primary: #4361ee;
    --eq-secondary: #7209b7;
    --eq-accent: #4cc9f0;
    --eq-gradient: linear-gradient(135deg, var(--eq-primary) 0%, var(--eq-secondary) 100%);
    --eq-glass: rgba(255, 255, 255, 0.7);
    --eq-glass-border: rgba(255, 255, 255, 0.5);
    --eq-shadow: 0 20px 50px rgba(0, 0, 0, 0.1);
}

.enhance-quality-builder {
    background: #fff;
    border-radius: 32px;
    padding: 40px;
    box-shadow: var(--eq-shadow);
    position: relative;
    overflow: hidden;
}

[data-theme="dark"] .enhance-quality-builder {
    background: #1a1c23;
}

.eq-workspace {
    display: grid;
    grid-template-columns: 380px 1fr;
    gap: 48px;
}

@media (max-width: 1100px) {
    .eq-workspace {
        grid-template-columns: 1fr;
    }
}

/* Section Header */
.eq-label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    color: var(--gray-800);
    margin-bottom: 16px;
    font-size: 1rem;
}

[data-theme="dark"] .eq-label {
    color: var(--gray-100);
}

.eq-label i {
    color: var(--eq-primary);
    stroke-width: 2.5;
}

.eq-section {
    margin-bottom: 32px;
}

/* Modes Grid */
.eq-modes-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.eq-mode-card {
    background: var(--gray-50);
    border: 2px solid transparent;
    border-radius: 16px;
    padding: 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] .eq-mode-card {
    background: var(--gray-900);
}

.eq-mode-card:hover {
    transform: translateY(-5px);
    background: #fff;
    border-color: var(--gray-200);
}

.eq-mode-card.active {
    border-color: var(--eq-primary);
    background: rgba(67, 97, 238, 0.05);
    color: var(--eq-primary);
    transform: scale(1.05);
}

.mode-icon i {
    width: 24px;
    height: 24px;
}

.eq-mode-card span {
    font-size: 0.75rem;
    font-weight: 700;
    white-space: nowrap;
}

/* Intensity Sliders */
.eq-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#eqStrengthVal {
    font-weight: 800;
    color: var(--eq-primary);
    font-size: 0.9rem;
}

.eq-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    accent-color: var(--eq-primary);
    background: var(--gray-100);
    outline: none;
}

/* Upload Zone */
.eq-drop-zone {
    border: 2px dashed var(--gray-300);
    border-radius: 20px;
    padding: 32px;
    text-align: center;
    transition: all 0.3s;
    cursor: pointer;
    background: var(--gray-50);
}

[data-theme="dark"] .eq-drop-zone {
    background: rgba(0, 0, 0, 0.2);
    border-color: #333;
}

.eq-drop-zone:hover,
.eq-drop-zone.dragover {
    border-color: var(--eq-primary);
    background: rgba(67, 97, 238, 0.02);
}

.eq-drop-zone i {
    width: 48px;
    height: 48px;
    color: var(--gray-400);
    margin-bottom: 12px;
}

.eq-drop-zone p {
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: 4px;
}

.eq-drop-zone .file-info {
    font-size: 0.8rem;
    color: var(--gray-500);
}

/* Execute Button */
.eq-execute-btn {
    width: 100%;
    background: var(--eq-gradient);
    color: #fff;
    border: none;
    padding: 18px;
    border-radius: 20px;
    font-weight: 800;
    font-size: 1.1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transition: all 0.4s;
    box-shadow: 0 10px 30px rgba(67, 97, 238, 0.3);
}

.eq-execute-btn:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(114, 9, 183, 0.4);
}

/* Preview Side */
.eq-preview-side {
    background: var(--gray-50);
    border-radius: 28px;
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

[data-theme="dark"] .eq-preview-side {
    background: #11141a;
}

.eq-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
}

.preview-toggles {
    display: flex;
    gap: 6px;
    background: #fff;
    padding: 4px;
    border-radius: 12px;
}

[data-theme="dark"] .preview-toggles {
    background: #222;
}

.preview-btn {
    border: none;
    background: none;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    cursor: pointer;
    color: var(--gray-500);
}

.preview-btn.active {
    background: var(--eq-primary);
    color: #fff;
}

.eq-canvas-container {
    position: relative;
    min-height: 450px;
    background: #fff;
    border-radius: 24px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

[data-theme="dark"] .eq-canvas-container {
    background: #000;
}

#eqCanvas {
    max-width: 100%;
    max-height: 70vh;
    display: block;
}

/* Compare Slider */
.eq-compare-slider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 0;
    z-index: 10;
    pointer-events: none;
}

.eq-compare-slider .handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 44px;
    height: 44px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: ew-resize;
    pointer-events: auto;
}

.eq-compare-slider .line {
    position: absolute;
    top: -500%;
    bottom: -500%;
    left: 50%;
    width: 2px;
    background: #fff;
    transform: translateX(-50%);
}

.eq-placeholder {
    position: absolute;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    color: var(--gray-400);
}

.pulse-icon {
    width: 64px;
    height: 64px;
    background: var(--gray-100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.pulse-icon i {
    width: 32px;
    height: 32px;
    opacity: 0.5;
}

/* Advanced Panel */
.eq-advanced-toggle button {
    background: none;
    border: none;
    color: var(--eq-primary);
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
}

.eq-advanced-panel {
    display: none;
    margin-top: 20px;
    background: var(--gray-50);
    padding: 20px;
    border-radius: 16px;
}

.eq-advanced-panel.active {
    display: block;
}

.eq-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}