/**
 * Stylesheet: photo-collage-grid-side-by-side-combiner.css
 * Tool 19: Photo Collage, Grid & Side-by-Side Combiner
 * Strict 2-Column Desktop / 1-Column Mobile UI Layout
 *
 * @package MetaoFly
 */

/* ============================================================
   1. ROOT CONTAINER & HEADER BANNER
   ============================================================ */
.pcg-workspace {
    width: 100%;
    max-width: 1360px;
    margin: 0 auto;
    padding: var(--space-4) 0 var(--space-12);
}

.pcg-header-banner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
    padding: var(--space-6);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.08) 0%, rgba(16, 185, 129, 0.04) 100%);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--radius-xl);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

.pcg-header-left {
    max-width: 820px;
}

.pcg-badge-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.3);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    margin-bottom: var(--space-2);
}

.pcg-studio-title {
    font-size: clamp(1.6rem, 2.8vw, 2.2rem);
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.25;
    margin: 0 0 var(--space-2);
}

.pcg-title-gradient {
    background: linear-gradient(135deg, #60a5fa 0%, #34d399 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.pcg-studio-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.55;
    margin: 0;
}

.pcg-quick-badges {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.pcg-pill-stat {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(15, 23, 42, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 6px 14px;
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
}

.pcg-pulse-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px currentColor;
}

/* ============================================================
   2. UPLOAD DROPZONE STAGE
   ============================================================ */
.pcg-upload-stage {
    margin-bottom: var(--space-8);
}

.pcg-dropzone {
    position: relative;
    padding: var(--space-12) var(--space-6);
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.05) 0%, rgba(15, 23, 42, 0.6) 100%);
    border: 2px dashed rgba(59, 130, 246, 0.35);
    border-radius: var(--radius-2xl);
    text-align: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.pcg-dropzone:hover,
.pcg-dropzone.dragover {
    border-color: #3b82f6;
    background: radial-gradient(circle at center, rgba(59, 130, 246, 0.12) 0%, rgba(15, 23, 42, 0.8) 100%);
    box-shadow: 0 0 35px rgba(59, 130, 246, 0.25);
    transform: translateY(-2px);
}

.pcg-hidden-file-input {
    display: none;
}

.pcg-drop-icon-wrap {
    position: relative;
    width: 84px;
    height: 84px;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.12);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-4);
}

.pcg-glow-ring {
    position: absolute;
    inset: -6px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.4) 0%, transparent 70%);
    animation: pcgPulse 3s infinite ease-in-out;
}

@keyframes pcgPulse {
    0%, 100% { transform: scale(0.95); opacity: 0.5; }
    50% { transform: scale(1.15); opacity: 0.85; }
}

.pcg-drop-title {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0 0 var(--space-2);
}

.pcg-drop-desc {
    max-width: 600px;
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 var(--space-6);
}

.pcg-drop-actions {
    display: flex;
    gap: var(--space-3);
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--space-6);
}

.pcg-btn-browse {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: #fff;
    padding: 12px 28px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    border: none;
    cursor: pointer;
    transition: all 0.2s;
}

.pcg-btn-browse:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 99, 235, 0.5);
}

.pcg-btn-sample {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    transition: all 0.2s;
}

.pcg-btn-sample:hover {
    background: rgba(51, 65, 85, 0.9);
    border-color: rgba(59, 130, 246, 0.4);
}

.pcg-drop-features {
    display: flex;
    gap: var(--space-4);
    flex-wrap: wrap;
    justify-content: center;
    font-size: 0.82rem;
    color: var(--text-tertiary);
}

.pcg-drop-features span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* ============================================================
   3. STUDIO TOP TOOLBAR
   ============================================================ */
.pcg-top-toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-3) var(--space-4);
    background: rgba(15, 23, 42, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-5);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
}

.pcg-toolbar-file {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.pcg-file-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

.pcg-res-pill {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    background: rgba(255, 255, 255, 0.05);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
}

.pcg-badge-active-cell {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.3);
    color: #60a5fa;
    padding: 3px 9px;
    border-radius: var(--radius-sm);
    font-size: 0.78rem;
    font-weight: 600;
}

.pcg-toolbar-actions {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.pcg-btn-small {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 0.82rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.pcg-btn-small:hover {
    background: rgba(51, 65, 85, 0.9);
    border-color: rgba(59, 130, 246, 0.3);
}

/* ============================================================
   4. STRICT 2-COLUMN DESKTOP / 1-COLUMN MOBILE GRID
   ============================================================ */
.pcg-grid-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(360px, 440px);
    gap: 28px;
    align-items: start;
}

@media (max-width: 1024px) {
    .pcg-grid-layout {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Common Card Styles */
.pcg-card {
    background: rgba(15, 23, 42, 0.75);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    margin-bottom: var(--space-4);
}

.pcg-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-4);
}

.pcg-step-tag {
    font-size: 0.78rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #60a5fa;
}

.pcg-header-tip {
    font-size: 0.78rem;
    color: var(--text-tertiary);
}

/* ============================================================
   5. COLUMN 1: LIVE CANVAS VIEWPORT
   ============================================================ */
.pcg-stage-column {
    position: relative;
}

@media (min-width: 1025px) {
    .pcg-stage-column {
        position: sticky;
        top: 90px;
        z-index: 10;
        align-self: start;
    }
}

.pcg-stage-card {
    padding: var(--space-4);
    position: relative;
}

.pcg-layout-name {
    font-size: 0.78rem;
    color: #34d399;
    font-weight: 600;
}

.pcg-zoom-btn {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
}

.pcg-zoom-btn:hover {
    background: rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
    color: #60a5fa;
}

/* Canvas Viewport */
.pcg-canvas-viewport {
    position: relative;
    width: 100%;
    min-height: 440px;
    max-height: 640px;
    background: #090d16;
    border-radius: var(--radius-lg);
    overflow: hidden;
    -webkit-user-select: none;
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: inset 0 0 25px rgba(0, 0, 0, 0.7);
    padding: 20px;
}

.pcg-canvas-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    max-width: 100%;
    max-height: 100%;
}

.pcg-preview-canvas {
    max-width: 100%;
    max-height: 560px;
    object-fit: contain;
    display: block;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
    cursor: pointer;
}

.pcg-stage-footer {
    margin-top: var(--space-3);
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.pcg-footer-hint {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    line-height: 1.4;
}

.pcg-trust-banner {
    display: flex;
    align-items: flex-start;
    gap: var(--space-3);
    padding: var(--space-4);
    background: rgba(16, 185, 129, 0.08);
    border: 1px solid rgba(16, 185, 129, 0.25);
    border-radius: var(--radius-lg);
    font-size: 0.85rem;
    line-height: 1.45;
    color: var(--text-secondary);
}

.pcg-trust-text strong {
    color: #10b981;
}

/* ============================================================
   6. COLUMN 2: CONTROLS & STYLING
   ============================================================ */
.pcg-control-card {
    margin-bottom: var(--space-4);
}

.pcg-btn-link {
    background: none;
    border: none;
    color: #60a5fa;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    padding: 0;
}

.pcg-btn-link:hover {
    text-decoration: underline;
}

/* Layout Picker Grid */
.pcg-layout-picker {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    max-height: 220px;
    overflow-y: auto;
    padding-right: 4px;
}

.pcg-layout-thumb {
    width: 100%;
    height: 54px;
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6px;
    transition: all 0.2s;
}

.pcg-layout-thumb:hover {
    background: rgba(51, 65, 85, 0.85);
    border-color: rgba(59, 130, 246, 0.5);
}

.pcg-layout-thumb.active {
    background: rgba(59, 130, 246, 0.2);
    border-color: #3b82f6;
    box-shadow: 0 0 12px rgba(59, 130, 246, 0.4);
}

.pcg-mini-grid {
    width: 100%;
    height: 100%;
    display: grid;
    gap: 2px;
}

.pcg-mini-cell {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
}

.pcg-layout-thumb.active .pcg-mini-cell {
    background: #60a5fa;
}

/* Aspect Ratio Grid */
.pcg-aspect-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
}

.pcg-aspect-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: 8px 4px;
    background: rgba(30, 41, 59, 0.6);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
}

.pcg-aspect-btn:hover {
    background: rgba(51, 65, 85, 0.75);
    border-color: rgba(59, 130, 246, 0.4);
}

.pcg-aspect-btn.active {
    background: rgba(59, 130, 246, 0.18);
    border-color: #3b82f6;
    color: #60a5fa;
}

.pcg-aspect-ratio {
    font-weight: 700;
    font-size: 0.82rem;
    color: var(--text-primary);
}

.pcg-aspect-btn.active .pcg-aspect-ratio {
    color: #60a5fa;
}

.pcg-aspect-label {
    font-size: 0.68rem;
    color: var(--text-tertiary);
}

/* Sliders */
.pcg-slider-group {
    margin-bottom: var(--space-3);
}

.pcg-slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
    font-size: 0.84rem;
}

.pcg-slider-header label {
    font-weight: 600;
    color: var(--text-primary);
}

.pcg-slider-val {
    font-weight: 700;
    color: #38bdf8;
    font-size: 0.82rem;
}

.pcg-range {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    -webkit-appearance: none;
}

.pcg-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #3b82f6;
    border: 2px solid #fff;
    cursor: pointer;
    box-shadow: 0 0 10px rgba(59, 130, 246, 0.6);
}

.pcg-range::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: #3b82f6;
    border: 2px solid #fff;
    cursor: pointer;
}

/* Background Color Fill */
.pcg-bg-fill-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pcg-color-pills {
    display: flex;
    align-items: center;
    gap: 8px;
}

.pcg-color-dot {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: transform 0.15s, border-color 0.15s;
}

.pcg-color-dot:hover {
    transform: scale(1.15);
    border-color: #fff;
}

.pcg-color-dot.active {
    border-color: #3b82f6;
    box-shadow: 0 0 8px #3b82f6;
    transform: scale(1.1);
}

.pcg-custom-color {
    width: 26px;
    height: 26px;
    border-radius: 50%;
    border: 1px dashed rgba(255, 255, 255, 0.3);
    background: transparent;
    cursor: pointer;
    padding: 0;
}

/* Before / After Badges Toggle & Inputs */
.pcg-toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pcg-toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
}

.pcg-checkbox {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: #3b82f6;
}

.pcg-badge-inputs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.pcg-text-input {
    width: 100%;
    padding: 8px 10px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.82rem;
    font-weight: 600;
}

/* Selected Cell Controls */
.pcg-cell-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.pcg-cell-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px 4px;
    background: rgba(30, 41, 59, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all 0.2s;
}

.pcg-cell-btn:hover {
    background: rgba(51, 65, 85, 0.85);
    border-color: rgba(59, 130, 246, 0.4);
    color: #60a5fa;
}

/* Buttons Full */
.pcg-btn-full {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 20px;
    border-radius: var(--radius-lg);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.pcg-btn-download {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: #fff;
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
}

.pcg-btn-download:hover {
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.5);
    transform: translateY(-1px);
}

.pcg-btn-copy {
    background: rgba(30, 41, 59, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: var(--text-primary);
}

.pcg-btn-copy:hover {
    background: rgba(51, 65, 85, 0.95);
    border-color: rgba(59, 130, 246, 0.4);
}

/* Export Options */
.pcg-export-options {
    margin-bottom: var(--space-3);
}

.pcg-field-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.pcg-field-label {
    font-size: 0.84rem;
    font-weight: 600;
    color: var(--text-primary);
}

.pcg-select {
    width: 100%;
    padding: 10px 12px;
    background: rgba(30, 41, 59, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.85rem;
    outline: none;
}

.pcg-select:focus {
    border-color: #3b82f6;
}