/* ============================================
   STUDIO UI - MODERN SAAS DESIGN
   ============================================ */

:root {
    --studio-primary: #2563eb;
    --studio-primary-hover: #1d4ed8;
    --studio-secondary: #64748b;
    --studio-secondary-hover: #475569;
    --studio-border: #e2e8f0;
    --studio-bg: #f8fafc;
    --studio-surface: #ffffff;
    --studio-text: #1e293b;
    --studio-text-light: #64748b;
    --studio-accent: #f59e0b;
    --studio-success: #10b981;
    --studio-danger: #ef4444;
    --studio-settings-width: 320px;
    --studio-header-height: auto;
    --studio-footer-height: 80px;
}

/* RTL Support */
html[lang="ar"] {
    direction: rtl !important;
}

/* ============================================
   STUDIO CONTAINER
   ============================================ */
.studio-container {
    height: 100vh;
    background: var(--studio-bg);
    display: flex;
    flex-direction: column;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    max-width: 1140px;
    overflow: hidden;
    margin: 0 auto;
    box-shadow: 0 0 40px rgba(0, 0, 0, 0.05);
}

/* Toggle Button Styles */
.studio-toggle-btn {
    position: absolute;
    z-index: 1000;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--studio-surface);
    border: 1px solid var(--studio-border);
    border-radius: 6px;
    cursor: pointer;
    color: var(--studio-text-light);
    transition: all 0.2s;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.studio-toggle-btn:hover {
    background: var(--studio-primary);
    color: white;
    border-color: var(--studio-primary);
}

.toggle-settings {
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
}

.toggle-bottom {
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
}

.studio-settings.collapsed,
.canvas-controls.collapsed {
    display: none;
}

.studio-main.collapsed-settings .studio-canvas-area {
    margin-right: 0;
}

/* ============================================
   TOP NAVIGATION BAR
   ============================================ */
.studio-header {
    background: var(--studio-surface);
    border-bottom: 1px solid var(--studio-border);
    display: flex;
    flex-direction: column;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    z-index: 100;
    flex-shrink: 0;
}

.header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    height: 56px;
    flex-shrink: 0;
}

/* ============================================
   HEADER TOOLBAR (Row 2)
   ============================================ */
.header-toolbar {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 16px;
    background: var(--studio-bg);
    border-top: 1px solid var(--studio-border);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}

.header-toolbar::-webkit-scrollbar {
    display: none;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: 2px;
    flex-shrink: 0;
}

.toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--studio-border);
    margin: 0 6px;
    flex-shrink: 0;
}

.toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--studio-text);
    cursor: pointer;
    transition: all 0.15s;
    flex-shrink: 0;
    position: relative;
}

.toolbar-btn:hover {
    background: var(--studio-surface);
    color: var(--studio-primary);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.08);
}

.toolbar-btn:active {
    transform: scale(0.92);
}

.toolbar-btn.active {
    background: var(--studio-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.toolbar-btn i {
    font-size: 1rem;
}

.toolbar-btn[title]:hover::after {
    content: attr(title);
    position: absolute;
    bottom: -28px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--studio-text);
    color: white;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.7rem;
    white-space: nowrap;
    z-index: 1000;
    pointer-events: none;
}

.stepper {
    display: flex;
    align-items: center;
    gap: 8px;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.2s;
}

.step-item.active {
    background: var(--studio-primary);
    color: white;
}

.step-item.pending {
    color: var(--studio-text-light);
    opacity: 0.5;
}

.step-divider {
    color: var(--studio-text-light);
    opacity: 0.3;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.header-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    background: var(--studio-surface);
    color: var(--studio-text);
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.2s;
}

.header-btn:hover {
    background: var(--studio-bg);
    border-color: var(--studio-text-light);
}

.header-btn.active {
    background: var(--studio-primary);
    color: white;
    border-color: var(--studio-primary);
}

.header-close {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 8px;
    background: var(--studio-bg);
    color: var(--studio-text-light);
    cursor: pointer;
    transition: all 0.2s;
}

.header-close:hover {
    background: var(--studio-danger);
    color: white;
}

/* Fullscreen Mode */
.studio-fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    width: 100vw !important;
    height: 100vh !important;
    max-width: 100vw !important;
    z-index: 9998 !important;
    margin: 0 !important;
    box-shadow: none !important;
}

.studio-fullscreen-active {
    overflow: hidden;
}

.btn-fullscreen {
    background: var(--studio-bg);
    border: 1px solid var(--studio-border);
    border-radius: 6px;
    padding: 6px 12px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: var(--studio-text);
}

.btn-fullscreen:hover {
    background: var(--studio-primary);
    color: white;
    border-color: var(--studio-primary);
}

.btn-fullscreen.active {
    background: var(--studio-success);
    color: white;
    border-color: var(--studio-success);
}

/* ============================================
   MAIN CONTENT AREA
   ============================================ */
.studio-main {
    flex: 1;
    display: flex;
    overflow: hidden;
    min-height: 0;
}

/* (Sidebar removed - tools moved to header toolbar) */

/* ============================================
   SETTINGS PANEL
   ============================================ */
.studio-settings {
    width: var(--studio-settings-width);
    background: var(--studio-surface);
    border-right: 1px solid var(--studio-border);
    padding: 20px;
    overflow-y: auto;
    flex-shrink: 0;
}

.settings-help-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    margin-bottom: 24px;
    transition: opacity 0.2s;
}

.settings-help-link:hover {
    opacity: 0.9;
}

.settings-section {
    margin-bottom: 24px;
}

.settings-section-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--studio-text);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.settings-value {
    padding: 12px;
    background: var(--studio-bg);
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--studio-text);
    font-weight: 500;
}

.settings-options {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.settings-checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    cursor: pointer;
}

.settings-checkbox {
    width: 20px;
    height: 20px;
    accent-color: var(--studio-primary);
}

.settings-label {
    font-size: 0.9rem;
    color: var(--studio-text);
}

/* ============================================
   CANVAS AREA
   ============================================ */
.studio-canvas-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: var(--studio-bg);
    overflow: auto;
    min-height: 0;
}

.canvas-container {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.canvas-split {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
}

.canvas-left {
    background: linear-gradient(135deg, #667eea15 0%, #764ba215 100%);
}

.canvas-right {
    background: var(--studio-surface);
}

.canvas-wrapper {
    position: relative;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

#studio-canvas {
    display: block;
    background: white;
}

.canvas-drop-zone {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    transition: all 0.3s;
    cursor: pointer;
}

/* Make drop zone tappable on mobile */
@media (max-width: 768px) {
    .canvas-drop-zone:not(.hidden-zone) {
        pointer-events: auto;
    }
}

.canvas-drop-zone .drop-zone-inner {
    width: 180px;
    height: 180px;
    border: 3px dashed var(--studio-primary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.85);
    transition: all 0.3s;
    box-shadow: 0 4px 24px rgba(37, 99, 235, 0.15);
}

.canvas-drop-zone.drag-over .drop-zone-inner {
    border-color: var(--studio-success);
    background: rgba(255, 255, 255, 0.95);
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.25);
}

.canvas-drop-zone i {
    font-size: 2rem;
    color: var(--studio-primary);
    margin-bottom: 8px;
}

.canvas-drop-zone.drag-over i {
    color: var(--studio-success);
}

.canvas-drop-zone p {
    font-size: 0.8rem;
    color: var(--studio-text);
    text-align: center;
    margin: 0;
    padding: 0 16px;
}

.canvas-drop-zone.hidden-zone {
    display: none;
}

.canvas-divider {
    width: 4px;
    background: var(--studio-border);
    cursor: col-resize;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.canvas-divider:hover {
    background: var(--studio-primary);
}

.canvas-divider::before {
    content: '';
    width: 16px;
    height: 40px;
    background: var(--studio-surface);
    border: 1px solid var(--studio-border);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   BOTTOM CONTROLS
   ============================================ */
.canvas-controls {
    height: 120px;
    background: var(--studio-surface);
    border-top: 1px solid var(--studio-border);
    padding: 16px 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.canvas-guidance {
    font-size: 0.85rem;
    color: var(--studio-text-light);
    display: flex;
    align-items: center;
    gap: 8px;
}

.canvas-guidance i {
    color: var(--studio-accent);
}

.canvas-thumbnails {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 8px;
}

.thumbnail-item {
    width: 80px;
    height: 80px;
    border: 2px solid var(--studio-border);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    overflow: hidden;
    flex-shrink: 0;
    background: var(--studio-bg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.thumbnail-item:hover {
    border-color: var(--studio-primary);
}

.thumbnail-item.active {
    border-color: var(--studio-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.thumbnail-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.thumbnail-label {
    font-size: 0.75rem;
    text-align: center;
    color: var(--studio-text-light);
    margin-top: 4px;
}

/* ============================================
   FOOTER ACTION BAR
   ============================================ */
.studio-footer {
    height: var(--studio-footer-height);
    background: var(--studio-surface);
    border-top: 1px solid var(--studio-border);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 0 24px;
    gap: 12px;
    flex-shrink: 0;
}

.btn-studio {
    padding: 12px 28px;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: none;
    text-decoration: none;
}

.btn-studio-secondary {
    background: var(--studio-bg);
    color: var(--studio-text);
    border: 1px solid var(--studio-border);
}

.btn-studio-secondary:hover {
    background: var(--studio-border);
}

.btn-studio-primary {
    background: var(--studio-primary);
    color: white;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.btn-studio-primary:hover {
    background: var(--studio-primary-hover);
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
    transform: translateY(-1px);
}

/* ============================================
   MODAL STYLES
   ============================================ */
.studio-mockup-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.mockup-modal-content {
    background: #fff;
    border-radius: 12px;
    max-width: 900px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.mockup-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--studio-border);
    background: var(--studio-bg);
}

.mockup-modal-header h4 {
    margin: 0;
    font-size: 1.2rem;
    color: var(--studio-text);
}

.mockup-close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--studio-text-light);
    padding: 0;
    line-height: 1;
    transition: color 0.2s;
}

.mockup-close-btn:hover {
    color: var(--studio-danger);
}

.mockup-modal-body {
    padding: 24px;
    overflow-y: auto;
    text-align: center;
}

.mockup-loading {
    padding: 60px 24px;
}

.mockup-loading i {
    color: var(--studio-primary);
    margin-bottom: 20px;
}

.mockup-loading p {
    margin: 10px 0 5px;
    font-size: 1.1rem;
    color: var(--studio-text);
}

.mockup-loading small {
    color: var(--studio-text-light);
}

.mockup-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.mockup-item {
    border: 1px solid var(--studio-border);
    border-radius: 12px;
    overflow: hidden;
    background: var(--studio-bg);
    transition: all 0.2s;
}

.mockup-item:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.mockup-item img {
    width: 100%;
    height: auto;
    display: block;
}

.mockup-item-label {
    padding: 12px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--studio-text);
    background: var(--studio-surface);
    font-weight: 500;
}

.mockup-error {
    padding: 60px 24px;
    color: var(--studio-accent);
}

.mockup-error p {
    margin-top: 20px;
    font-size: 1rem;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Extra Large Screens (1440px and above) */
/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (min-width: 1440px) {
    .studio-container {
        max-width: 1440px;
    }

    .studio-settings {
        width: 350px;
    }

    .canvas-split {
        padding: 32px;
    }

    .canvas-controls {
        height: 140px;
        padding: 20px 32px;
    }

    .thumbnail-item {
        width: 100px;
        height: 100px;
    }

    .studio-footer {
        padding: 0 32px;
    }

    .btn-studio {
        padding: 14px 32px;
        font-size: 1rem;
    }
}

/* Medium Screens (< 992px) - hide settings panel, hide preview */
@media (max-width: 991px) {
    .studio-settings {
        display: none;
    }

    .canvas-right,
    .canvas-divider {
        display: none;
    }

    .canvas-split {
        padding: 16px;
    }

    .step-item span {
        display: none;
    }

    .header-row {
        padding: 0 16px;
        height: 48px;
    }

    .header-toolbar {
        padding: 4px 12px;
    }

    .toolbar-btn {
        width: 32px;
        height: 32px;
    }
}

/* Small Screens (< 768px) */
@media (max-width: 767px) {
    .thumbnail-item {
        width: 60px;
        height: 60px;
    }

    .btn-studio {
        padding: 10px 20px;
        font-size: 0.9rem;
    }
}

/* Extra Small Screens (≤ 575px) */
@media (max-width: 575px) {
    .header-row {
        padding: 0 6px;
        height: 38px;
    }

    .stepper {
        gap: 2px;
    }

    .step-item {
        padding: 4px 6px;
    }

    .header-close {
        width: 30px;
        height: 30px;
    }

    .thumbnail-item {
        width: 50px;
        height: 50px;
    }

    .studio-footer {
        height: 48px;
        padding: 0 8px;
    }

    .btn-studio {
        padding: 6px 12px;
        font-size: 0.8rem;
    }

    .toolbar-btn {
        width: 28px;
        height: 28px;
    }

    .toolbar-btn i {
        font-size: 0.8rem;
    }

    .toolbar-divider {
        height: 18px;
        margin: 0 2px;
    }
}

/* ============================================
   ENHANCED MOBILE UX (≤ 768px)
   ============================================ */
@media (max-width: 768px) {
    /* Hide preview split on mobile — full width canvas */
    .canvas-right,
    .canvas-divider {
        display: none !important;
    }

    .canvas-left {
        width: 100% !important;
        flex: 1 !important;
    }

    /* Settings as bottom sheet on mobile */
    .studio-settings {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto !important;
        width: 100% !important;
        max-height: 0;
        overflow: hidden;
        z-index: 300;
        border-radius: 16px 16px 0 0;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
        transition: max-height 0.3s ease;
        background: var(--studio-surface);
    }

    .studio-settings.mobile-open {
        max-height: 65vh;
        overflow-y: auto;
    }

    /* Hide the desktop settings toggle, show mobile handle */
    .toggle-settings {
        display: none;
    }

    /* Bottom sheet drag handle */
    .studio-settings::before {
        content: '';
        display: block;
        width: 40px;
        height: 4px;
        background: var(--studio-border);
        border-radius: 2px;
        margin: 8px auto;
    }

    /* Stepper simplified on mobile */
    .step-item span {
        display: none;
    }

    .step-item {
        padding: 6px 8px;
        gap: 0;
    }

    .step-item i {
        font-size: 0.85rem;
    }

    .step-divider {
        margin: 0 2px;
    }

    .step-divider i {
        font-size: 0.7rem;
    }

    /* Header row compact on mobile */
    .header-row {
        padding: 0 8px;
        height: 42px;
        gap: 4px;
    }

    .header-actions {
        gap: 3px;
    }

    /* Hide undo/redo and 3D from header on mobile — they're in toolbar */
    #btn-undo, #btn-redo, #btn-3d-view, .btn-fullscreen {
        display: none !important;
    }

    .header-btn {
        padding: 4px 8px;
        font-size: 0.8rem;
        gap: 4px;
        border-radius: 6px;
    }

    .header-btn span {
        display: none;
    }

    .header-close {
        width: 32px;
        height: 32px;
    }

    /* Toolbar: scroll horizontally */
    .header-toolbar {
        padding: 4px 8px;
        gap: 2px;
    }

    .toolbar-btn {
        width: 32px;
        height: 32px;
    }

    .toolbar-divider {
        margin: 0 3px;
        height: 20px;
    }

    /* Canvas area takes full height */
    .studio-canvas-area {
        margin-right: 0 !important;
    }

    .canvas-split {
        padding: 8px;
    }

    .canvas-controls {
        height: auto;
        padding: 8px;
    }

    .canvas-guidance {
        display: none;
    }

    /* Footer compact on mobile */
    .studio-footer {
        height: 56px;
        padding: 0 12px;
        gap: 8px;
    }

    .btn-studio {
        padding: 8px 16px;
        font-size: 0.85rem;
        gap: 6px;
    }

    /* Mobile FAB for settings */
    .mobile-settings-fab {
        position: fixed;
        bottom: 70px;
        right: 12px;
        width: 48px;
        height: 48px;
        border-radius: 50%;
        background: var(--studio-primary);
        color: white;
        border: none;
        box-shadow: 0 4px 12px rgba(37, 99, 235, 0.4);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        cursor: pointer;
        z-index: 350;
        transition: all 0.2s;
    }

    .mobile-settings-fab:hover {
        transform: scale(1.1);
    }

    .mobile-settings-fab.active {
        background: var(--studio-danger);
        z-index: 350;
    }

    /* Print area info compact on mobile */
    .print-area-size-info {
        flex-wrap: wrap;
        gap: 4px;
    }

    .size-badge,
    .dpi-badge {
        font-size: 0.7rem;
        padding: 3px 8px;
    }
}

/* Mobile settings backdrop */
.mobile-settings-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 299;
    transition: opacity 0.3s ease;
}

.mobile-settings-backdrop.active {
    display: block;
}

/* Desktop: hide mobile FAB and backdrop */
@media (min-width: 769px) {
    .mobile-settings-fab,
    .mobile-settings-backdrop {
        display: none !important;
    }
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
    display: none !important;
}

.d-flex {
    display: flex;
}

.align-items-center {
    align-items: center;
}

.gap-2 {
    gap: 8px;
}

.gap-3 {
    gap: 12px;
}

/* ============================================
   POD VARIANT SELECTION - MODERN STYLES
   ============================================ */
.variant-color-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.variant-color-list {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.variant-color-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 6px;
    border: 2px solid transparent;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    cursor: pointer;
    background: transparent;
}

.variant-color-item:hover:not(.disabled) {
    border-color: var(--studio-primary);
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.variant-color-item.selected {
    border-color: var(--studio-primary);
    background: rgba(37, 99, 235, 0.05);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.15);
    transform: translateY(-3px);
}

.variant-color-item.selected::after {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    top: 5px;
    right: 5px;
    color: var(--studio-primary);
    font-size: 14px;
    text-shadow: 0 0 3px rgba(255,255,255,0.8);
    z-index: 10;
}

.variant-color-item.disabled {
    opacity: 0.35;
    cursor: not-allowed;
    filter: grayscale(0.5);
}

.variant-color-image {
    transition: all 0.3s;
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 8px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.15);
}

.variant-color-item:hover:not(.disabled) .variant-color-image {
    transform: scale(1.05);
    box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

.variant-color-item.selected .variant-color-image {
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

.studio-color-swatch {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 2px solid var(--studio-border);
    cursor: pointer;
    transition: all 0.2s;
    padding: 0;
    outline: none;
    position: relative;
}

.studio-color-swatch:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.studio-color-swatch.selected {
    border-color: var(--studio-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
}

.studio-color-swatch.selected::after {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    font-size: 12px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #fff;
    text-shadow: 0 1px 2px rgba(0,0,0,0.5);
}

.selected-color-label {
    margin-top: 12px;
    padding: 8px 12px;
    background: linear-gradient(135deg, var(--studio-primary), var(--studio-primary-hover));
    color: white;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    text-align: center;
    min-height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 8px rgba(37, 99, 235, 0.2);
}

.selected-color-label:empty::before {
    content: '{{ __("Select a color") }}';
    opacity: 0.7;
}

.variant-size-picker {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.studio-size-btn {
    min-width: 60px;
    height: 50px;
    padding: 0 18px;
    border-radius: 10px;
    border: 2px solid var(--studio-border);
    background: var(--studio-surface);
    color: var(--studio-text);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 2px 6px rgba(0,0,0,0.08);
}

.studio-size-btn:hover:not(.disabled):not(.selected) {
    border-color: var(--studio-primary);
    color: var(--studio-primary);
    background: rgba(0,0,0,0.03);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.studio-size-btn.selected {
    background: var(--studio-primary);
    color: white;
    border-color: var(--studio-primary);
    font-weight: 700;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.studio-size-btn.disabled {
    opacity: 0.35;
    cursor: not-allowed;
    pointer-events: none;
    background: var(--studio-bg);
    box-shadow: none;
}

.btn-add-variant {
    width: 100%;
    padding: 10px;
    border-radius: 8px;
    border: 2px dashed var(--studio-primary);
    background: rgba(37, 99, 235, 0.05);
    color: var(--studio-primary);
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-add-variant:hover {
    background: rgba(37, 99, 235, 0.1);
    border-color: var(--studio-primary-hover);
}

.studio-variant-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
}

.studio-variant-row {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 10px;
    background: var(--studio-bg);
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    font-size: 0.82rem;
}

.studio-variant-row .variant-color-chip {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid var(--studio-border);
    flex-shrink: 0;
}

.studio-variant-row .variant-info {
    flex: 1;
    min-width: 0;
}

.studio-variant-row .variant-info .variant-name {
    font-weight: 600;
    color: var(--studio-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.studio-variant-row .variant-info .variant-price {
    color: var(--studio-text-light);
    font-size: 0.78rem;
}

.studio-variant-row .variant-qty {
    width: 50px;
    padding: 4px 6px;
    border: 1px solid var(--studio-border);
    border-radius: 4px;
    text-align: center;
    font-size: 0.85rem;
    flex-shrink: 0;
}

.studio-variant-row .variant-remove {
    width: 24px;
    height: 24px;
    border: none;
    background: none;
    color: var(--studio-danger);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    flex-shrink: 0;
    padding: 0;
}

.studio-variant-row .variant-remove:hover {
    background: rgba(239, 68, 68, 0.1);
}

.studio-total-section {
    padding: 12px;
    background: linear-gradient(135deg, var(--studio-primary), var(--studio-primary-hover));
    border-radius: 8px;
    color: white;
    text-align: center;
}

.studio-total-section .total-label {
    font-size: 0.8rem;
    opacity: 0.85;
    margin-bottom: 4px;
}

.studio-total-section .total-amount {
    font-size: 1.3rem;
    font-weight: 700;
}

.studio-empty-variants {
    text-align: center;
    padding: 16px;
    color: var(--studio-text-light);
    font-size: 0.85rem;
}

/* Review Step Styles */
.studio-review-panel {
    display: none;
    padding: 20px;
}

.studio-review-panel.active {
    display: block;
}

.review-design-preview {
    width: 100%;
    max-width: 200px;
    margin: 0 auto 16px;
    border-radius: 8px;
    border: 1px solid var(--studio-border);
    overflow: hidden;
}

.review-design-preview img {
    width: 100%;
    display: block;
}

.review-summary-table {
    width: 100%;
    font-size: 0.85rem;
}

.review-summary-table td {
    padding: 6px 0;
    border-bottom: 1px solid var(--studio-border);
}

.review-summary-table td:last-child {
    text-align: right;
    font-weight: 600;
}

/* ============================================
   STEP 3: REVIEW PANEL
   ============================================ */
.studio-review-panel {
    padding: 24px;
    background: var(--studio-surface);
    flex: 1;
    overflow-y: auto;
    max-height: calc(100vh - 200px);
}

.review-header {
    text-align: center;
    margin-bottom: 24px;
}

.review-header h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--studio-text);
    margin: 0;
}

.review-header h3 i {
    color: var(--studio-primary);
    margin-right: 8px;
}

.review-content {
    max-width: 800px;
    margin: 0 auto;
}

.review-section {
    margin-bottom: 24px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--studio-border);
}

.review-section:last-child {
    border-bottom: none;
}

.review-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--studio-text);
    margin: 0 0 12px 0;
}

.review-section h4 i {
    color: var(--studio-primary);
    margin-right: 6px;
    width: 18px;
    text-align: center;
}

/* Design Preview Grid */
.review-design-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.review-design-card {
    background: var(--studio-bg);
    border: 1px solid var(--studio-border);
    border-radius: 12px;
    overflow: hidden;
    text-align: center;
}

.review-design-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: contain;
    background: #fff;
    padding: 8px;
}

.review-design-card .design-card-label {
    padding: 8px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--studio-text);
    border-top: 1px solid var(--studio-border);
}

.review-design-card .design-card-dimensions {
    padding: 0 8px 8px;
    font-size: 0.72rem;
    color: var(--studio-text-light);
}

.review-design-card.no-design {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 180px;
    color: var(--studio-text-light);
}

.review-design-card.no-design i {
    font-size: 2rem;
    margin-bottom: 8px;
    opacity: 0.4;
}

/* Variants Table */
.review-variants-table-wrapper {
    overflow-x: auto;
    border-radius: 8px;
    border: 1px solid var(--studio-border);
}

.review-variants-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.88rem;
}

.review-variants-table thead {
    background: var(--studio-bg);
}

.review-variants-table th {
    padding: 10px 14px;
    text-align: left;
    font-weight: 600;
    color: var(--studio-text);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    border-bottom: 2px solid var(--studio-border);
}

.review-variants-table td {
    padding: 10px 14px;
    border-bottom: 1px solid var(--studio-border);
    color: var(--studio-text);
}

.review-variants-table tbody tr:last-child td {
    border-bottom: none;
}

.review-variants-table tbody tr:hover {
    background: var(--studio-bg);
}

/* Total Box */
.review-total-box {
    background: var(--studio-bg);
    border: 2px solid var(--studio-primary);
    border-radius: 12px;
    padding: 16px 20px;
}

.review-total-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--studio-text);
}

.review-total-amount {
    color: var(--studio-primary);
    font-size: 1.3rem;
}

/* Print Info */
.review-print-info {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.review-print-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background: var(--studio-bg);
    border: 1px solid var(--studio-border);
    border-radius: 8px;
    font-size: 0.82rem;
    color: var(--studio-text);
}

.review-print-badge i {
    color: var(--studio-primary);
}

/* Action Buttons */
.review-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
    padding-top: 8px;
}

.btn-studio-outline {
    background: var(--studio-surface);
    color: var(--studio-text);
    border: 1px solid var(--studio-border);
}

.btn-studio-outline:hover {
    background: var(--studio-bg);
    border-color: var(--studio-primary);
    color: var(--studio-primary);
}

.btn-studio-lg {
    padding: 14px 32px;
    font-size: 1rem;
    font-weight: 700;
}

/* Review panel responsive */
@media (max-width: 768px) {
    .studio-review-panel {
        padding: 16px;
    }

    .review-design-grid {
        grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
        gap: 10px;
    }

    .review-actions {
        flex-direction: column;
    }

    .review-actions .btn-studio {
        width: 100%;
    }
}

/* ============================================
   TEXT & SHAPE PROPERTIES PANELS
   ============================================ */
.studio-text-panel,
.studio-shape-panel {
    position: absolute;
    top: 120px;
    left: 16px;
    z-index: 200;
    width: 260px;
    background: var(--studio-surface);
    border: 1px solid var(--studio-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.studio-shape-panel {
    top: 120px;
    left: 284px;
}

.text-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    background: var(--studio-bg);
    border-bottom: 1px solid var(--studio-border);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--studio-text);
}

.text-panel-header i {
    color: var(--studio-primary);
    margin-right: 6px;
}

.text-panel-close {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--studio-text-light);
    cursor: pointer;
    font-size: 0.75rem;
}

.text-panel-close:hover {
    background: var(--studio-danger);
    color: white;
}

.text-panel-body {
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.text-panel-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.text-panel-group label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--studio-text-light);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.text-panel-row {
    display: flex;
    gap: 10px;
}

.text-panel-half {
    flex: 1;
}

.text-panel-select {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--studio-border);
    border-radius: 6px;
    font-size: 0.82rem;
    background: var(--studio-surface);
    color: var(--studio-text);
    cursor: pointer;
}

.text-panel-select:focus {
    outline: none;
    border-color: var(--studio-primary);
    box-shadow: 0 0 0 2px rgba(37, 99, 235, 0.1);
}

.text-panel-input {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid var(--studio-border);
    border-radius: 6px;
    font-size: 0.82rem;
    background: var(--studio-surface);
    color: var(--studio-text);
    box-sizing: border-box;
}

.text-panel-input:focus {
    outline: none;
    border-color: var(--studio-primary);
}

.text-panel-color {
    width: 100%;
    height: 32px;
    border: 1px solid var(--studio-border);
    border-radius: 6px;
    cursor: pointer;
    padding: 2px;
    background: var(--studio-surface);
}

.text-panel-buttons {
    display: flex;
    gap: 4px;
}

.text-style-btn,
.text-align-btn {
    flex: 1;
    padding: 6px;
    border: 1px solid var(--studio-border);
    border-radius: 6px;
    background: var(--studio-surface);
    color: var(--studio-text);
    cursor: pointer;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.text-style-btn:hover,
.text-align-btn:hover {
    background: var(--studio-bg);
    border-color: var(--studio-primary);
    color: var(--studio-primary);
}

.text-style-btn.active,
.text-align-btn.active {
    background: var(--studio-primary);
    color: white;
    border-color: var(--studio-primary);
}

.text-panel-range {
    width: 100%;
    height: 4px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--studio-border);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.text-panel-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--studio-primary);
    cursor: pointer;
}

.text-panel-range::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--studio-primary);
    border: none;
    cursor: pointer;
}

/* ============================================
   PRINT AREA SIZE INFO
   ============================================ */
.print-area-size-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 6px 0;
    margin-top: 4px;
}

.size-badge,
.dpi-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background: var(--studio-bg);
    border: 1px solid var(--studio-border);
    border-radius: 6px;
    font-size: 0.75rem;
    color: var(--studio-text);
}

.size-badge i,
.dpi-badge i {
    color: var(--studio-primary);
    font-size: 0.7rem;
}

.dpi-badge.dpi-good { border-color: var(--studio-success); color: var(--studio-success); }
.dpi-badge.dpi-good i { color: var(--studio-success); }
.dpi-badge.dpi-warn { border-color: var(--studio-accent); color: #b45309; }
.dpi-badge.dpi-warn i { color: var(--studio-accent); }
.dpi-badge.dpi-bad { border-color: var(--studio-danger); color: var(--studio-danger); }
.dpi-badge.dpi-bad i { color: var(--studio-danger); }

/* ============================================
   LAYER PANEL
   ============================================ */
.studio-layer-panel {
    position: absolute;
    top: 120px;
    right: 16px;
    z-index: 200;
    width: 240px;
    background: var(--studio-surface);
    border: 1px solid var(--studio-border);
    border-radius: 12px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    overflow: hidden;
    max-height: 400px;
    display: flex;
    flex-direction: column;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.layer-panel-body {
    overflow-y: auto;
    flex: 1;
    padding: 4px 0;
}

.layer-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    cursor: pointer;
    transition: background 0.1s;
    font-size: 0.82rem;
    color: var(--studio-text);
    border-bottom: 1px solid var(--studio-border);
}

.layer-item:last-child {
    border-bottom: none;
}

.layer-item:hover {
    background: var(--studio-bg);
}

.layer-item.active {
    background: rgba(37, 99, 235, 0.08);
    color: var(--studio-primary);
}

.layer-item-icon {
    width: 20px;
    text-align: center;
    color: var(--studio-text-light);
    font-size: 0.75rem;
}

.layer-item-name {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.layer-item-actions {
    display: flex;
    gap: 4px;
}

.layer-action-btn {
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--studio-text-light);
    cursor: pointer;
    font-size: 0.7rem;
    transition: all 0.1s;
}

.layer-action-btn:hover {
    background: var(--studio-border);
    color: var(--studio-text);
}

.layer-action-btn.hidden-layer {
    color: var(--studio-border);
}

.layer-action-btn.locked-layer {
    color: var(--studio-accent);
}

.layer-empty {
    padding: 20px;
    text-align: center;
    color: var(--studio-text-light);
    font-size: 0.82rem;
}

/* Panels responsive on mobile */
@media (max-width: 768px) {
    .studio-text-panel,
    .studio-shape-panel,
    .studio-layer-panel {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        width: 100%;
        border-radius: 16px 16px 0 0;
        max-height: 60vh;
        overflow-y: auto;
    }

    .studio-shape-panel,
    .studio-layer-panel {
        left: 0;
        right: 0;
    }
}