/* ========================================
   CSS Reset and Base Styles
   ======================================== */

html {
    overflow-x: hidden;
    width: 100%;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette - Dark Mode */
    --primary-color: #297aff;
    --primary-hover: #1f5fcc;
    --secondary-color: #9200FF;
    --bg-color: #000000;
    --surface-color: #1a1a1a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: #333333;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --shadow-md: 0 2px 8px 0 rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 4px 16px 0 rgba(0, 0, 0, 0.7);

    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
}

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* Europa Grotesk No. 2 SB Font
   Note: You'll need to add the actual font files (.woff2/.woff/.ttf) to your project
   Common font file names: EuropaGroteskSH-SemiBd, EuropaGrotesk-SemiBold
   Place them in an 'assets/fonts/' directory and uncomment the @font-face below:
*/
/*
@font-face {
    font-family: 'Europa Grotesk No. 2 SB';
    src: url('../assets/fonts/EuropaGroteskSH-SemiBd.woff2') format('woff2'),
         url('../assets/fonts/EuropaGroteskSH-SemiBd.woff') format('woff');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}
*/

/* MatrixSSK Regular - used for serial numbers on front middle text */
@font-face {
    font-family: 'MatrixSSK';
    src: url('../assets/fonts/MatrixSSK Regular/MatrixSSK Regular.ttf') format('truetype');
    font-weight: normal;
    font-style: normal;
    font-display: swap;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    background: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* ========================================
   Header
   ======================================== */

.header {
    background: var(--surface-color);
    color: var(--text-primary);
    padding: var(--space-xl) var(--space-md);
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.header h4 {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.header h4 i {
    font-size: 1.75rem;
    position: relative;
    top: 2px;
}

.logo {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
    letter-spacing: -0.02em;
}

.tagline {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 400;
}

/* ========================================
   Main Content Layout
   ======================================== */

.main-content {
    flex: 1;
    padding: var(--space-xl) var(--space-md);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: var(--space-xl);
}

@media (max-width: 1024px) {
    .container {
        grid-template-columns: 1fr;
    }

    .main-content {
        padding: var(--space-lg) var(--space-md);
    }
}

/* ========================================
   Mobile Menu Toggle Button
   ======================================== */

.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 1002;
    background: var(--primary-color);
    border: none;
    border-radius: var(--radius-md);
    width: 48px;
    height: 48px;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    transition: all 0.2s ease;
    color: white;
}

.mobile-menu-toggle:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.mobile-menu-toggle:active {
    transform: scale(0.95);
}

.mobile-menu-toggle svg {
    width: 24px;
    height: 24px;
}

/* Mobile Sidebar Overlay */
.mobile-sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-sidebar-overlay.visible {
    opacity: 1;
}

/* ========================================
   Controls Panel
   ======================================== */

.controls-panel {
    background: var(--surface-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    max-height: calc(100vh - 20px);
    overflow-y: auto;
    position: sticky;
    top: 20px;
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE and Edge */
}

.controls-panel::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}

.control-section {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
}

.control-section:last-child {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.section-title {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Removed collapsible styles - sections now controlled by view toggle */

/* ========================================
   Upload Area
   ======================================== */

.upload-area {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    text-align: center;
    transition: all 0.2s ease;
    cursor: pointer;
    background: var(--bg-color);
}

.upload-area:hover,
.upload-area.drag-over {
    border-color: var(--primary-color);
    background: rgba(41, 122, 255, 0.04);
}

.upload-label {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    cursor: pointer;
}

.upload-icon {
    font-size: 1.75rem;
}

.upload-text {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.upload-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
}


/* ========================================
   Adjustment Controls
   ======================================== */

.adjustment-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.adjustment-controls label {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.adjustment-controls label > span:first-child {
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-secondary);
}

input[type="range"] {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: transform 0.15s ease;
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    transition: transform 0.15s ease;
}

input[type="range"]::-moz-range-thumb:hover {
    transform: scale(1.15);
}

.text-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.15s ease;
}

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

.text-input::placeholder {
    color: var(--text-secondary);
}

/* Dropdown Select Styles - Modern minimal design matching the layout */
.dropdown-select {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
    transition: all 0.15s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    /* Custom dropdown arrow */
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23ffffff' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-sm) center;
    background-size: 12px;
    padding-right: calc(var(--space-md) + 20px);
}

.dropdown-select:hover {
    border-color: var(--text-secondary);
}

.dropdown-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(41, 122, 255, 0.1);
}

/* Dropdown options styling - Color preview shown inline with text */
.dropdown-select option {
    background: var(--surface-color);
    color: var(--text-primary);
    padding: var(--space-sm);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* Border color dropdown - Options will have their colors set dynamically via JS */
#notchColorSelect option {
    font-family: 'Segoe UI', Arial, sans-serif;
}

/* Style for dropdown to support colored unicode boxes */
#notchColorSelect {
    font-family: 'Segoe UI', Arial, sans-serif;
}

/* Color dropdown wrapper - Contains preview square and dropdown */
.color-dropdown-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
}


/* Dropdown with preview - Takes remaining width */
.dropdown-with-preview {
    flex: 1;
}

/* ========================================
   Color Picker Styles
   ======================================== */

.color-input-group {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.color-picker {
    width: 50px;
    height: 40px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: var(--bg-color);
    padding: 2px;
}

.color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker::-webkit-color-swatch {
    border: none;
    border-radius: calc(var(--radius-sm) - 2px);
}

.color-picker::-moz-color-swatch {
    border: none;
    border-radius: calc(var(--radius-sm) - 2px);
}

.color-hex-input {
    flex: 1;
    text-transform: uppercase;
    font-family: 'Courier New', monospace;
}

.color-presets {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

.presets-label {
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.preset-colors {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-sm);
}

/* Preset group selector row */
.preset-group-row {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

#borderPresetContainer {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(32px, 1fr));
    gap: var(--space-sm);
    margin-top: var(--space-sm);
}

#borderPresetContainer .preset-color {
    width: 32px;
    height: 32px;
}

.preset-color.active {
    box-shadow: 0 0 0 3px rgba(41,122,255,0.18), 0 0 0 1px var(--primary-color);
    transform: scale(1.05);
}

.preset-color {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    padding: 0;
}

.preset-color:hover {
    transform: scale(1.1);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.preset-color:active {
    transform: scale(1);
}

.preset-color-text,
.preset-color-text-back {
    width: 32px;
    height: 32px;
    min-width: 32px;
    min-height: 32px;
    border-radius: var(--radius-sm);
    border: none;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    padding: 0;
    display: block;
}

.preset-color-text:hover,
.preset-color-text-back:hover {
    transform: scale(1.1);
    box-shadow: 0 0 0 2px var(--primary-color);
}

.preset-color-text:active,
.preset-color-text-back:active {
    transform: scale(1);
}

/* Border Image Upload Styles */

.border-image-upload {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.btn-small {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.813rem;
}

/* ========================================
   Buttons
   ======================================== */

.btn {
    padding: var(--space-sm) var(--space-md);
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs);
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(41, 122, 255, 0.3);
}

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

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

.btn-danger {
    background: #ff4444;
    color: white;
}

.btn-danger:hover {
    background: #dd0000;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(255, 68, 68, 0.3);
}

.btn svg {
    vertical-align: middle;
    display: inline-block;
}

.btn-large {
    width: 100%;
    padding: var(--space-md);
    font-size: 0.95rem;
    margin-bottom: var(--space-sm);
}

.btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn:active {
    transform: translateY(0);
}

/* ========================================
   Canvas Container
   ======================================== */

.canvas-container {
    background: var(--surface-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 900px;
    position: sticky;
    top: 20px;
    gap: var(--space-xl);
    align-self: flex-start;
    perspective: 1000px;
}

/* Canvas View Toggle Navigation */
.canvas-view-toggle {
    display: flex;
    gap: var(--space-sm);
    padding: 4px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    width: fit-content;
}

.toggle-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    white-space: nowrap;
}

.toggle-btn:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.05);
}

.toggle-btn.active {
    background: var(--primary-color);
    color: white;
    box-shadow: 0 2px 8px rgba(41, 122, 255, 0.3);
}

.toggle-btn svg {
    width: 16px;
    height: 16px;
}

/* Objekt Border Toggle Switch */

.objekt-toggle-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.objekt-toggle-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}



/* Toggle Switch Styles */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: var(--border-color);
    transition: 0.3s;
    border-radius: 26px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.3s;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--primary-color);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 0 2px rgba(41, 122, 255, 0.3);
}

.canvas-wrapper-container {
    display: grid;
    width: 100%;
    pointer-events: none;
}

.canvas-wrapper-container canvas {
    pointer-events: auto;
}

.canvas-upload-placeholder {
    pointer-events: auto;
}

.canvas-wrapper {
    position: relative;
    grid-area: 1 / 1;
    display: none;
    border-radius: var(--radius-sm);
    flex-direction: column;
    align-items: center;
    gap: var(--space-sm);
    opacity: 0;
    transform-style: preserve-3d;
    backface-visibility: hidden;
    will-change: transform, opacity;
}

.canvas-wrapper.active {
    display: flex;
    opacity: 1;
}

.canvas-wrapper.rotating-out {
    animation: rotateOut 0.25s cubic-bezier(0.4, 0, 0.6, 1) forwards;
    z-index: 1;
}

.canvas-wrapper.rotating-out-left {
    animation: rotateOutLeft 0.25s cubic-bezier(0.4, 0, 0.6, 1) forwards;
    z-index: 1;
}

.canvas-wrapper.rotating-out-right {
    animation: rotateOutRight 0.25s cubic-bezier(0.4, 0, 0.6, 1) forwards;
    z-index: 1;
}

/* Canvas upload placeholder */
.canvas-upload-placeholder {
    display: none;
    position: absolute;
    inset: 0;
    z-index: 5;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    text-align: center;
    cursor: pointer;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-color);
    transition: all 0.2s ease;
}

.canvas-upload-placeholder.visible {
    display: flex;
}

.canvas-upload-placeholder:hover {
    border-color: var(--primary-color);
    background: rgba(41, 122, 255, 0.04);
}

@keyframes rotateIn {
    from {
        opacity: 0;
        transform: rotateY(-45deg) scale(0.95);
    }
    50% {
        opacity: 0.7;
        transform: rotateY(-15deg) scale(0.98);
    }
    to {
        opacity: 1;
        transform: rotateY(0deg) scale(1);
    }
}

@keyframes rotateInFromRight {
    from {
        opacity: 0;
        transform: rotateY(45deg) scale(0.95);
    }
    50% {
        opacity: 0.7;
        transform: rotateY(15deg) scale(0.98);
    }
    to {
        opacity: 1;
        transform: rotateY(0deg) scale(1);
    }
}

@keyframes rotateOut {
    from {
        opacity: 1;
        transform: rotateY(0deg) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: rotateY(30deg) scale(0.98);
    }
    to {
        opacity: 0;
        transform: rotateY(45deg) scale(0.95);
    }
}

@keyframes rotateOutLeft {
    from {
        opacity: 1;
        transform: rotateY(0deg) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: rotateY(-30deg) scale(0.98);
    }
    to {
        opacity: 0;
        transform: rotateY(-45deg) scale(0.95);
    }
}

@keyframes rotateOutRight {
    from {
        opacity: 1;
        transform: rotateY(0deg) scale(1);
    }
    50% {
        opacity: 0.7;
        transform: rotateY(30deg) scale(0.98);
    }
    to {
        opacity: 0;
        transform: rotateY(45deg) scale(0.95);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#mainCanvas,
#backCanvas {
    display: block;
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-sm);
    /* Scale down preview to 65% while maintaining full resolution for download */
    width: 45%;
}

.canvas-placeholder {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    position: relative;
    z-index: 10;
}

.canvas-placeholder.hidden {
    display: none;
}

/* Back Side Controls - Desktop (in sidebar) and Mobile (in canvas area) */
.back-side-controls-desktop {
    display: block;
}

.back-side-controls-mobile {
    display: none !important; /* Hidden on desktop, shown on mobile via media query */
    width: 100%;
    max-width: 600px;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    border: 1px solid var(--border-color);
    margin-bottom: 0;
}


/* ========================================
   Footer
   ======================================== */

.footer {
    background: transparent;
    padding: var(--space-xl) var(--space-md);
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

/* ========================================
   Utility Classes
   ======================================== */

.hidden {
    display: none !important;
}

/* ========================================
   Mobile Adjustments Section (below canvas)
   ======================================== */

.mobile-adjustments {
    display: none !important; /* Hidden on desktop */
    width: 100%;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
    border: 1px solid var(--border-color);
}

.mobile-section-title {
    font-size: 0.813rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.mobile-section-title svg {
    width: 14px;
    height: 14px;
}

.mobile-adjustments label {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.mobile-adjustments label > span:first-child {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.mobile-actions {
    display: none;
    width: 100%;
    margin-top: var(--space-lg);
    gap: var(--space-sm);
}

.slider-group {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.slider-group input[type="range"] {
    flex: 1;
}

.slider-group span {
    min-width: 50px;
    text-align: right;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-primary);
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
    body {
        overflow: hidden;
        position: fixed;
        width: 100%;
        height: 100vh;
    }

    .header {
        display: none;
    }

    .footer {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-sidebar-overlay {
        display: block;
        pointer-events: none;
    }

    .mobile-sidebar-overlay.visible {
        pointer-events: all;
    }

    .controls-panel {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        max-height: 100vh;
        width: 85%;
        max-width: 360px;
        border-radius: 0;
        border: none;
        border-right: 1px solid var(--border-color);
        z-index: 1001;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        padding-top: 80px;
    }

    .controls-panel.open {
        transform: translateX(0);
    }



    .main-content {
        padding: var(--space-md) var(--space-sm);
        overflow-y: auto;
        height: 100vh;
    }

    .controls-panel {
        padding: var(--space-md);
    }

    .canvas-container {
        padding: var(--space-md);
        min-height: auto;
        position: relative;
        max-height: none;
        overflow-y: visible;
        gap: var(--space-sm);
    }

    .section-title {
        font-size: 0.813rem;
    }

    /* Show mobile adjustments section on mobile (front view only, JS controls back view) */
    .mobile-adjustments {
        display: block !important;
    }


    /* Show mobile action buttons */
    .mobile-actions {
        display: flex;
        flex-direction: row;
    }

    .mobile-actions .btn {
        flex: 1;
        padding: var(--space-md);
        font-size: 0.95rem;
    }

    /* Make canvas wrapper take appropriate space */
    .canvas-wrapper {
        max-width: 100%;
    }

    #mainCanvas,
    #backCanvas {
        width: 100%;
        height: auto;
    }

    /* Hide desktop back side controls on mobile */
    .back-side-controls-desktop {
        display: none;
    }

    /* On mobile, allow JS to control visibility of mobile back side controls */
    .back-side-controls-mobile {
        display: none; /* JS will set to block when needed */
    }

    /* Mobile-optimized toggle buttons */
    .canvas-view-toggle {
        width: 100%;
        max-width: 400px;
    }

    .toggle-btn {
        flex: 1;
        justify-content: center;
        padding: var(--space-md) var(--space-sm);
        font-size: 0.813rem;
    }

    .toggle-btn svg {
        width: 18px;
        height: 18px;
    }

    /* ========================================
       Slider Dragging State (Mobile)
       ======================================== */

    /* Overlay that appears when slider is being dragged */
    .slider-drag-overlay {
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 2000;
        background: transparent;
        padding: var(--space-lg) var(--space-xl);
        border-radius: var(--radius-md);
        border: none;
        box-shadow: none;
        pointer-events: all;
        min-width: 280px;
        width: 90vw;
        max-width: 360px;
        display: none;
        flex-direction: column;
        gap: var(--space-md);
    }

    .slider-drag-overlay.active {
        display: flex;
    }

    .slider-drag-overlay-label {
        font-size: 0.875rem;
        font-weight: 600;
        color: var(--text-primary);
        text-transform: uppercase;
        letter-spacing: 0.05em;
        text-shadow: 0 0 8px rgba(0, 0, 0, 0.8), 0 0 4px rgba(0, 0, 0, 0.6);
    }

    .slider-drag-overlay-slider-container {
        display: flex;
        align-items: center;
        gap: var(--space-md);
    }

    .slider-drag-overlay-slider {
        flex: 1;
        height: 6px;
    }

    .slider-drag-overlay-value {
        min-width: 50px;
        text-align: right;
        font-size: 0.875rem;
        font-weight: 500;
        color: var(--text-primary);
        text-shadow: 0 0 8px rgba(0, 0, 0, 0.8), 0 0 4px rgba(0, 0, 0, 0.6);
    }

    /* When slider is being dragged, hide controls-panel */
    .controls-panel.slider-dragging {
        visibility: hidden !important;
        pointer-events: none !important;
    }
}
/* ========================================
   Collapsible Sections
   ======================================== */

.collapsible-section {
    margin-bottom: var(--space-xs) !important;
    transition: margin-bottom 0.2s ease;
}

.collapsible-section.collapsed {
    margin-bottom: 0.05rem !important;
}

.collapsible-header {
    cursor: pointer;
    user-select: none;
    transition: color 0.2s ease;
}

.collapsible-header:hover {
    color: var(--text-primary) !important;
}

.collapse-icon {
    font-size: 1.2rem;
    transition: transform 0.2s ease;
    display: inline-block;
}

.collapsible-section.collapsed .collapse-icon {
    transform: rotate(-90deg);
}

.collapsible-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    max-height: 2000px;
    overflow: hidden;
    opacity: 1;
    transition: max-height 0.3s ease, opacity 0.2s ease;
}

.collapsible-section.collapsed .collapsible-content {
    max-height: 0;
    opacity: 0;
    margin-top: 0 !important;
}

/* ========================================
   Inline Text Editor Overlay
   ======================================== */

/* Backdrop for text editor overlay */
.canvas-text-editor-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    backdrop-filter: blur(1px);
    animation: fadeIn 0.2s ease;
}

.canvas-text-editor-overlay {
    position: fixed;
    z-index: 1000;
    pointer-events: none;
    /* Center on screen by default */
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.canvas-text-editor {
    background: var(--surface-color);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: var(--shadow-lg);
    pointer-events: all;
    min-width: 280px;
    max-width: 400px;
    width: 90vw;
    max-width: min(400px, 90vw);
    animation: slideUp 0.2s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mobile specific styles */
@media (max-width: 768px) {
    .canvas-text-editor-overlay {
        /* On mobile, keep centered */
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .canvas-text-editor {
        width: calc(100vw - 2rem);
        max-width: calc(100vw - 2rem);
        min-width: unset;
        padding: var(--space-lg);
    }

    .canvas-text-editor-input {
        font-size: 16px !important; /* Prevents zoom on iOS */
    }
}

.canvas-text-editor-input {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color 0.15s ease;
    margin-bottom: var(--space-sm);
}

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

.canvas-editor-slider-container {
    margin-top: var(--space-sm);
    margin-bottom: var(--space-sm);
    padding-top: var(--space-sm);
    border-top: 1px solid var(--border-color);
}

.canvas-editor-slider-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.canvas-editor-slider-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.canvas-editor-slider {
    flex: 1;
    height: 4px;
    border-radius: 2px;
    background: var(--border-color);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.canvas-editor-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    transition: transform 0.15s ease;
}

.canvas-editor-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.canvas-editor-slider::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--primary-color);
    cursor: pointer;
    border: none;
    transition: transform 0.15s ease;
}

.canvas-editor-slider::-moz-range-thumb:hover {
    transform: scale(1.15);
}

.canvas-editor-slider-value {
    min-width: 48px;
    text-align: right;
    font-size: 0.813rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
}

.canvas-text-editor-hint {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: var(--space-xs);
    text-align: center;
    padding-top: var(--space-xs);
    border-top: 1px solid var(--border-color);
}

/* Signature Modal Styles */
.signature-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.signature-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.signature-modal-content {
    position: relative;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

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

.signature-modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.signature-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.signature-modal-close:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

.signature-modal-body {
    padding: var(--space-xl);
    overflow-y: auto;
    flex: 1;
}

.signature-upload-section {
    margin-bottom: var(--space-lg);
}

.signature-zoom-section {
    padding: var(--space-lg);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
}

.signature-modal-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--space-md);
}

.signature-modal-footer .btn {
    min-width: 120px;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .signature-modal {
        padding: var(--space-md);
    }

    .signature-modal-content {
        max-width: 100%;
    }

    .signature-modal-header,
    .signature-modal-body,
    .signature-modal-footer {
        padding: var(--space-md);
    }
}

/* ========================================
   Text Field Tooltip Styles
   ======================================== */

.text-field-tooltip {
    position: absolute;
    top: 15%;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: var(--space-md) var(--space-lg);
    padding-right: calc(var(--space-lg) + 32px);
    border-top-left-radius: var(--radius-xl);
    border-top-right-radius: 0;
    border-bottom-left-radius: var(--radius-xl);
    border-bottom-right-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    z-index: 1001;
    pointer-events: all;
    animation: tooltipSlideIn 0.3s ease;
    max-width: 420px;
    min-width: 360px;
}

@keyframes tooltipSlideIn {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.text-field-tooltip.fade-out {
    animation: tooltipFadeOut 0.3s ease forwards;
}

@keyframes tooltipFadeOut {
    from {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    to {
        opacity: 0;
        transform: translateX(-50%) translateY(-10px);
    }
}

.tooltip-text {
    margin: 0;
    font-size: 1.050rem;
    font-weight: 500;
    line-height: 1.4;
    text-align: center;
}

.tooltip-close {
    position: absolute;
    top: 50%;
    right: var(--space-sm);
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: white;
    cursor: pointer;
    padding: var(--space-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
    width: 48px;
    height: 48px;
}

.tooltip-close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.tooltip-close svg {
    width: 16px;
    height: 16px;
}

/* Mobile responsive tooltip */
@media (max-width: 768px) {
    .text-field-tooltip {
        top: 10%;
        max-width: calc(100% - 2rem);
        min-width: unset;
        padding: var(--space-sm) var(--space-md);
        padding-right: calc(var(--space-md) + 32px);
    }

    .tooltip-text {
        font-size: 0.813rem;
    }
}

/* Hide on desktop */
@media (min-width: 769px) {
    .mobile-menu-toggle {
        display: none;
    }
    
    .mobile-sidebar-overlay {
        display: none;
    }
}

/* ========================================
   Bottom Footer Navigation (REMOVED)
   ======================================== */

/* Remove bottom padding since bottom nav is removed */
body {
    padding-bottom: 0;
}

/* ========================================
   Floating Adjustment Overlay (Mobile)
   ======================================== */

.floating-adjust-overlay {
    position: fixed;
    bottom: 80px; /* Above bottom nav */
    left: 0;
    right: 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--border-color);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    padding: var(--space-md) var(--space-lg);
    z-index: 998;
    transform: translateY(100%);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: none; /* Hidden by default */
}

.floating-adjust-overlay.visible {
    display: block;
    transform: translateY(0);
}

.floating-adjust-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.floating-adjust-header > span {
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.floating-adjust-header > span svg {
    width: 16px;
    height: 16px;
}

.floating-adjust-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-adjust-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.1);
}

.floating-adjust-close svg {
    width: 20px;
    height: 20px;
}

.floating-adjust-content {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.floating-adjust-content label {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.floating-adjust-content label > span:first-child {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.floating-adjust-content .slider-group {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.floating-adjust-content .slider-group input[type="range"] {
    flex: 1;
}

.floating-adjust-content .slider-group span {
    min-width: 50px;
    text-align: right;
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

/* Hide floating overlay on desktop */
@media (min-width: 769px) {
    .floating-adjust-overlay {
        display: none !important;
    }

    .slider-drag-overlay {
        display: none !important;
    }
}

/* Canvas cursor styles for drag interaction */
#mainCanvas.dragging {
    cursor: grabbing !important;
}

/* ========================================
   Mobile Pan Sliders (for image positioning)
   ======================================== */

/* Hidden by default */
.mobile-pan-layout,
.mobile-pan-x-container {
    display: none;
}

.mobile-pan-layout.hidden,
.mobile-pan-x-container.hidden {
    display: none !important;
}

/* Show mobile pan controls on mobile and tablets */
@media (max-width: 1024px) {
    /* Allow single-finger vertical scroll on canvas; two-finger gestures handled by JS */
    #mainCanvas {
        touch-action: pan-y;
    }

    /* Y slider container - positioned to the left of canvas */
    .mobile-pan-layout {
        display: flex;
        align-items: center;
        justify-content: center;
        position: absolute;
        left: -120px;
        top: 50%;
        transform: translateY(-50%);
        width: 280px;
        z-index: 25;
    }

    /* X slider container - below canvas */
    .mobile-pan-x-container {
        display: flex;
        justify-content: center;
        width: 100%;
        padding: var(--space-sm) 0;
        margin-top: var(--space-xs);
    }
}

/* Base slider styles */
.mobile-pan-slider {
    -webkit-appearance: none;
    appearance: none;
    background: transparent;
    border-radius: 2px;
    outline: none;
    touch-action: none; /* Prevent page scroll while dragging */
}

/* Vertical slider (Y axis) - on the left, rotated horizontal slider */
.mobile-pan-y {
    transform: rotate(-90deg);
    width: 280px;
    height: 3px;
}

/* Horizontal slider (X axis) - at the bottom */
.mobile-pan-x {
    width: 70%;
    max-width: 280px;
    height: 3px;
}

/* Slider thumb styles - WebKit */
.mobile-pan-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    border: 2px solid white;
}

.mobile-pan-slider::-webkit-slider-thumb:active {
    transform: scale(1.1);
    box-shadow: 0 2px 12px rgba(41, 122, 255, 0.6);
}

/* Slider thumb styles - Firefox */
.mobile-pan-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    background: var(--primary-color);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    border: 2px solid white;
}

.mobile-pan-slider::-moz-range-thumb:active {
    transform: scale(1.1);
    box-shadow: 0 2px 12px rgba(41, 122, 255, 0.6);
}

/* Track styles - WebKit */
.mobile-pan-slider::-webkit-slider-runnable-track {
    background: transparent;
    border-radius: 2px;
}

/* Track styles - Firefox */
.mobile-pan-slider::-moz-range-track {
    background: transparent;
    border-radius: 2px;
}

/* Hide on desktop (larger than tablet) */
@media (min-width: 1025px) {
    .mobile-pan-layout,
    .mobile-pan-x-container {
        display: none !important;
    }
}

/* ========================================
   Preset List (Phase 4)
   ======================================== */

.preset-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
    padding: var(--space-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-xs);
}

.preset-item-name {
    font-size: 0.813rem;
    font-weight: 500;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.preset-item-actions {
    display: flex;
    gap: 4px;
    flex-shrink: 0;
}

/* ========================================
   Saved Cards Collection Styles
   ======================================== */

.saved-cards-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-sm);
}

.saved-card-item {
    position: relative;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.2s ease;
}

.saved-card-item:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.saved-card-thumbnail {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 300 / 460;
    object-fit: cover;
    background: var(--surface-color);
}

.saved-card-info {
    padding: var(--space-xs);
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
}

.saved-card-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.saved-card-delete {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.7);
    border: none;
    color: white;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    line-height: 1;
    z-index: 10;
    transition: background 0.2s ease;
}

.saved-card-item:hover .saved-card-delete {
    display: flex;
}

.saved-card-delete:hover {
    background: rgba(220, 38, 38, 0.9);
}

/* ========================================
   Undo/Redo Controls & History Panel
   ======================================== */

/* Bulk Edit Banner */
.bulk-edit-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-sm);
    background: rgba(250, 204, 21, 0.12);
    border: 1px solid rgba(250, 204, 21, 0.4);
    border-radius: var(--radius-sm);
    cursor: pointer;
}

.bulk-edit-banner-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--accent-color, #facc15);
    flex-wrap: wrap;
}

.bulk-edit-banner-info svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.bulk-edit-autosave-hint {
    font-size: 0.75rem;
    font-weight: 400;
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Bulk canvas navigation (chevrons + counter) */
.bulk-canvas-nav {
    display: flex;
    width: 100%;
}

.bulk-canvas-nav .canvas-wrapper-container {
    flex: 1;
    min-width: 0;
}

/* Side nav buttons (desktop/tablet only, flanking the canvas) */
.bulk-canvas-side-btn {
    display: none; /* hidden by default, shown via bulk-editing class */
    flex-shrink: 0;
    align-items: center;
    justify-content: center;
    width: 48px;
    border: none;
    border-radius: var(--radius-sm, 6px);
    background: var(--surface-color, #1e1e1e);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    transition: color 0.15s, background 0.15s, opacity 0.15s;
}

.bulk-canvas-side-btn:hover:not(:disabled) {
    color: var(--accent-color, #facc15);
    background: var(--surface-hover, #2a2a2a);
}

.bulk-canvas-side-btn:disabled {
    opacity: 0.25;
    cursor: not-allowed;
}

.bulk-canvas-side-btn svg {
    width: 28px;
    height: 28px;
}

/* Show side buttons only on desktop/tablet when in bulk-editing mode */
body.bulk-editing .bulk-canvas-side-btn {
    display: flex;
}

@media (max-width: 768px) {
    body.bulk-editing .bulk-canvas-side-btn {
        display: none;
    }
}

.bulk-canvas-nav-btn {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: auto;
    height: auto;
    border-radius: 0;
    border: none;
    background: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0 4px;
    transition: color 0.15s, opacity 0.15s;
}

.bulk-canvas-nav-btn:hover:not(:disabled) {
    color: var(--accent-color, #facc15);
}

.bulk-canvas-nav-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.bulk-canvas-nav-btn svg {
    width: 18px;
    height: 18px;
}

/* Hard rule: always show counter when body has bulk-editing class */
body.bulk-editing #bulkCanvasCounter {
    display: block !important;
}

.bulk-canvas-counter-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: var(--space-xs, 4px);
    margin-top: var(--space-xs, 4px);
}

.bulk-canvas-counter-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 3em;
    text-align: center;
}

.canvas-top-bar {
    display: flex;
    align-items: center;
    width: 100%;
    position: relative;
    min-height: 40px;
}

.canvas-view-toggle {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.canvas-undo-redo-group {
    display: flex;
    gap: 4px;
}

.canvas-reset-btn {
    position: absolute;
    right: var(--space-md);
    top: 50%;
    transform: translateY(-50%);
}

.canvas-reset-btn:hover {
    transform: translateY(calc(-50% - 1px));
}

.undo-redo-controls {
    display: flex;
    gap: 4px;
}

.btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    padding: 0;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover:not(:disabled) {
    color: var(--text-primary);
    border-color: var(--text-secondary);
    background: var(--surface-color);
}

.btn-icon:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.btn-icon svg {
    width: 18px;
    height: 18px;
}

/* History Panel */
.history-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
    max-height: 300px;
    overflow-y: auto;
}

.history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 6px 10px;
    background: transparent;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-align: left;
    width: 100%;
}

.history-item:hover {
    background: var(--bg-color);
    border-color: var(--border-color);
}

.history-item.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.history-item.future {
    opacity: 0.4;
}

.history-label {
    flex: 1;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.history-index {
    font-size: 0.7rem;
    opacity: 0.6;
    margin-left: var(--space-sm);
    flex-shrink: 0;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .btn-icon {
        width: 32px;
        height: 32px;
    }

    .btn-icon svg {
        width: 16px;
        height: 16px;
    }

    /* On mobile, canvas-top-bar becomes two rows:
       row 1: view toggle centred
       row 2: undo/redo on the left, reset on the right (full width) */
    .canvas-top-bar {
        flex-wrap: wrap;
        justify-content: flex-start;
        gap: var(--space-sm);
        position: relative;
    }

    .canvas-undo-redo-group {
        order: 1;
        position: static;
        transform: none;
    }

    .canvas-view-toggle {
        order: 0;
        width: 100%;
        justify-content: center;
        position: static;
        transform: none;
    }

    .canvas-reset-btn {
        order: 2;
        margin-left: auto;
        position: static;
        transform: none;
        width: 32px;
        height: 32px;
        padding: 0;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .canvas-reset-btn .reset-btn-label {
        display: none;
    }

    .canvas-reset-btn:hover {
        transform: translateY(-1px);
    }


    /* Back to bulk btn: icon only on mobile (hide text) */
    #backToBulkBtn .btn-label-text {
        display: none;
    }

    /* Hide bottom bulk edit banner on mobile */
    #bulkEditBannerBottom {
        display: none !important;
    }

    /* Reduce spacing around counter row so canvas and banner sit closer together */
    .bulk-canvas-counter-row {
        margin-top: 2px;
        margin-bottom: 0;
    }

    #bulkCanvasCounter {
        margin-bottom: 0;
    }

    /* Move top bulk edit banner just above the download/reset buttons on mobile */
    #bulkEditBanner {
        order: 9;
        width: 100%;
        margin-bottom: 0;
        margin-top: 0;
    }

    .mobile-actions {
        order: 10;
    }
}

/* ========================================
   Bulk Create Modal
   ======================================== */

.bulk-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.bulk-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.bulk-modal-content {
    position: relative;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 1100px;
    max-height: 90vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s ease;
}

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

.bulk-modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.bulk-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.bulk-modal-close:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

.bulk-modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    flex: 1;
}

.bulk-modal-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-color);
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--space-md);
}

.bulk-footer-btn-row {
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

/* Upload Zone */
.bulk-upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-xl) var(--space-lg);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-bottom: var(--space-lg);
}

.bulk-upload-zone:hover,
.bulk-upload-zone.drag-over {
    border-color: var(--primary-color);
    background: rgba(41, 122, 255, 0.05);
}

.bulk-upload-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

/* Actions Bar */
.bulk-actions-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.bulk-count {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.bulk-actions-right {
    display: flex;
    gap: var(--space-sm);
}

@keyframes bulk-apply-pulse {
    0%   { box-shadow: 0 0 0 0 rgba(250, 204, 21, 0); border-color: var(--border-color); }
    30%  { box-shadow: 0 0 0 4px rgba(250, 204, 21, 0.35); border-color: rgba(250, 204, 21, 0.8); }
    100% { box-shadow: 0 0 0 0 rgba(250, 204, 21, 0); border-color: var(--border-color); }
}

.bulk-apply-flash {
    animation: bulk-apply-pulse 0.6s ease-in-out 20;
}

.btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    gap: 0.25rem;
}

.btn-small svg {
    width: 14px;
    height: 14px;
}

/* Table */
.bulk-table-container {
    overflow-x: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.bulk-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.bulk-table thead {
    background: var(--bg-color);
    position: sticky;
    top: 0;
    z-index: 1;
}

.bulk-table th {
    padding: var(--space-sm) var(--space-sm);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

.bulk-table td {
    padding: var(--space-xs) var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

.bulk-table tr:last-child td {
    border-bottom: none;
}

.bulk-table tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.bulk-row-template {
    background: rgba(250, 204, 21, 0.08) !important;
    border-left: 3px solid var(--accent-color, #facc15);
}

.bulk-row-template-clickable .bulk-col-num,
.bulk-row-template-clickable .bulk-col-thumb {
    cursor: pointer;
}

.bulk-edit-hint {
    display: block;
    font-size: 0.625rem;
    color: var(--accent-color, #facc15);
    text-align: center;
    margin-top: 2px;
    opacity: 0.8;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.bulk-col-middletext {
    position: relative;
}

.bulk-random-btn {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    z-index: 1;
    background: none;
    border: none;
    padding: 1px 2px;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    color: #facc15;
    opacity: 0.85;
}

.bulk-random-btn i,
.bulk-random-btn svg {
    width: 10px;
    height: 10px;
}

.bulk-random-btn:hover {
    opacity: 1;
    color: #fde047;
}

.bulk-row-template.bulk-row-template-clickable:hover {
    background: rgba(250, 204, 21, 0.18) !important;
    border-left-color: #fde047;
    outline: 1px solid rgba(250, 204, 21, 0.35);
    outline-offset: -1px;
}

.bulk-row-template-clickable:not(.bulk-row-template):hover {
    background: rgba(255, 255, 255, 0.06) !important;
    outline: 1px solid rgba(255, 255, 255, 0.12);
    outline-offset: -1px;
}

.bulk-row-template-clickable:hover .bulk-edit-hint {
    opacity: 1;
}

.bulk-row-template td:first-child {
    padding-left: 9px;
}

.bulk-row-template .bulk-col-num {
    color: var(--accent-color, #facc15);
    font-weight: 700;
}

.bulk-row-separator td {
    border-bottom: none !important;
    padding: 14px 20px !important;
    background: rgba(250, 204, 21, 0.05);
}

.bulk-row-separator p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--text-primary);
    text-align: center;
    font-style: normal;
    font-weight: 500;
    opacity: 0.85;
    line-height: 1.5;
}

.bulk-col-num {
    width: 40px;
    text-align: center;
    font-weight: 600;
    color: var(--text-secondary);
}

.bulk-col-thumb {
    width: 50px;
}

.bulk-thumbnail {
    width: 40px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.bulk-col-text {
    min-width: 90px;
}

.bulk-input {
    width: 100%;
    padding: 0.25rem 0.5rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.8125rem;
    font-family: inherit;
    transition: border-color 0.15s ease;
}

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

@keyframes bulk-input-flash {
    0%   { background: rgba(250, 204, 21, 0.25); border-color: rgba(250, 204, 21, 0.6); }
    100% { background: var(--bg-color); border-color: var(--border-color); }
}

.bulk-input-changed {
    animation: bulk-input-flash 2s ease-out;
}

.bulk-col-actions {
    width: 160px;
    white-space: nowrap;
}

.bulk-action-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.bulk-action-btn:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

.bulk-action-btn:disabled {
    opacity: 0.3;
    cursor: default;
}

.bulk-action-btn:disabled:hover {
    background: none;
    color: var(--text-secondary);
}

.bulk-action-delete:hover {
    color: #ff4444;
}

.bulk-action-apply-row1 {
    background: var(--primary-color);
    color: white;
    font-weight: 600;
    gap: 5px;
    padding: 4px 8px;
    border-radius: 4px;
}

.bulk-action-apply-row1:hover {
    background: var(--primary-hover);
    color: white;
    box-shadow: 0 4px 12px rgba(41, 122, 255, 0.3);
}

.bulk-action-btn svg {
    width: 16px;
    height: 16px;
}

/* Preview Area */
.bulk-preview-area {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    background: var(--bg-color);
    margin-bottom: var(--space-md);
}

.bulk-preview-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-md);
}

.bulk-preview-header h4 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
}

.bulk-preview-canvases {
    display: flex;
    gap: var(--space-lg);
    justify-content: center;
}

.bulk-preview-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
}

.bulk-preview-card span {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.bulk-preview-card canvas {
    max-height: 300px;
    width: auto;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

/* Preview Adjustment Controls */
.bulk-preview-controls {
    margin-top: var(--space-md);
    padding: var(--space-md);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.bulk-preview-sliders {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.bulk-preview-sliders label {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    font-size: 0.8125rem;
}

.bulk-preview-sliders label span:first-child {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

.bulk-preview-sliders input[type="range"] {
    width: 100%;
}

/* Progress Bar */
.bulk-progress {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex: 1;
}

.bulk-progress-bar {
    flex: 1;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.bulk-progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    transition: width 0.2s ease;
    width: 0%;
}

.bulk-progress-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 100px;
    text-align: right;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .bulk-modal {
        padding: 0;
    }

    .bulk-modal-content {
        max-width: 100%;
        max-height: 100vh;
        border-radius: 0;
        height: 100vh;
    }

    .bulk-modal-header,
    .bulk-modal-body,
    .bulk-modal-footer {
        padding: var(--space-md);
    }

    /* Compact upload zone on mobile */
    .bulk-upload-zone {
        padding: var(--space-md) var(--space-sm);
        margin-bottom: var(--space-md);
    }

    .bulk-upload-content i[data-lucide="image-plus"] {
        width: 32px !important;
        height: 32px !important;
    }

    .bulk-upload-content p {
        font-size: 0.813rem;
    }

    .bulk-actions-bar {
        flex-direction: column;
        gap: var(--space-sm);
        align-items: flex-start;
    }

    .bulk-actions-right {
        flex-wrap: wrap;
    }

    .bulk-table {
        font-size: 0.75rem;
    }

    .bulk-input {
        font-size: 0.75rem;
        padding: 0.2rem 0.35rem;
    }

    .bulk-col-text {
        min-width: 70px;
    }

    .bulk-preview-canvases {
        flex-direction: column;
        align-items: center;
    }

    .bulk-preview-card canvas {
        max-height: 200px;
    }

    .bulk-preview-sliders {
        grid-template-columns: 1fr;
    }

    .bulk-modal-footer {
        flex-wrap: wrap;
        gap: var(--space-sm);
        padding: var(--space-sm) var(--space-md);
    }

    .bulk-progress {
        width: 100%;
        order: -1;
    }

    /* Mobile footer buttons row */
    .bulk-footer-btn-row {
        display: flex;
        gap: var(--space-xs);
        flex: 1;
        justify-content: flex-end;
    }

    .bulk-footer-btn-row .btn {
        padding: var(--space-xs) var(--space-sm);
        font-size: 0.75rem;
    }

    /* Hide long labels, show short mobile labels */
    .bulk-footer-long-label {
        display: none;
    }

    .bulk-footer-short-label {
        display: inline;
    }
}

@media (min-width: 769px) {
    /* Hide short labels on desktop */
    .bulk-footer-short-label {
        display: none;
    }
}

/* ========================================
   Toast Notifications
   ======================================== */

#toast-container {
    position: fixed;
    bottom: 1.25rem;
    right: 1.25rem;
    z-index: 10001;
    display: flex;
    flex-direction: column-reverse;
    gap: 0.5rem;
    pointer-events: none;
    max-width: min(360px, calc(100vw - 2.5rem));
}

.toast {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    background: #1f1f1f;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    animation: toast-in 0.22s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

/* Left accent stripe */
.toast::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
}

.toast-success::before { background: #22c55e; }
.toast-error::before   { background: #ef4444; }
.toast-warning::before { background: #f59e0b; }
.toast-info::before    { background: var(--primary-color); }

.toast-icon {
    flex-shrink: 0;
    width: 15px;
    height: 15px;
    margin-top: 1px;
}

.toast-success .toast-icon { color: #22c55e; }
.toast-error   .toast-icon { color: #ef4444; }
.toast-warning .toast-icon { color: #f59e0b; }
.toast-info    .toast-icon { color: var(--primary-color); }

.toast-message {
    flex: 1;
    line-height: 1.45;
}

.toast-out {
    animation: toast-out 0.18s ease forwards;
}

@keyframes toast-in {
    from {
        opacity: 0;
        transform: translateX(1.5rem) scale(0.94);
    }
    to {
        opacity: 1;
        transform: translateX(0) scale(1);
    }
}

@keyframes toast-out {
    from {
        opacity: 1;
        transform: translateX(0) scale(1);
        max-height: 120px;
    }
    to {
        opacity: 0;
        transform: translateX(1.5rem) scale(0.94);
        max-height: 0;
        padding-top: 0;
        padding-bottom: 0;
        margin-bottom: -0.5rem;
        border-width: 0;
    }
}

@media (max-width: 480px) {
    #toast-container {
        right: 0.75rem;
        left: 0.75rem;
        bottom: 0.75rem;
        max-width: none;
    }
}

/* Font Picker Button */
.font-picker-btn {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.875rem;
    transition: border-color 0.15s ease;
}

.font-picker-btn:hover {
    border-color: var(--primary-color);
}

/* Media Loading Overlay */
.media-loading-overlay {
    position: fixed;
    inset: 0;
    z-index: 20000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.media-loading-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.media-loading-content {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl) calc(var(--space-xl) * 1.5);
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    text-align: center;
    animation: modalSlideIn 0.25s ease;
    min-width: 280px;
    max-width: 360px;
    width: 90vw;
}

.media-loading-spinner {
    width: 44px;
    height: 44px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: mediaSpinnerRotate 0.8s linear infinite;
}

@keyframes mediaSpinnerRotate {
    to { transform: rotate(360deg); }
}

.media-loading-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.media-loading-sub {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0;
}

.media-loading-progress {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    width: 100%;
    margin-top: var(--space-xs);
}

.media-loading-progress-bar {
    flex: 1;
    height: 8px;
    background: var(--border-color);
    border-radius: 4px;
    overflow: hidden;
}

.media-loading-progress-fill {
    height: 100%;
    background: var(--primary-color);
    border-radius: 4px;
    transition: width 0.2s ease;
    width: 0%;
}

.media-loading-progress-text {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    min-width: 36px;
    text-align: right;
}

/* Font Picker Modal */
.font-picker-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

.font-picker-modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.font-picker-modal-content {
    position: relative;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    width: 100%;
    max-width: 440px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: modalSlideIn 0.3s ease;
}

.font-picker-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-lg);
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-color);
}

.font-picker-modal-header h3 {
    margin: 0;
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.font-picker-modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--space-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
}

.font-picker-modal-close:hover {
    background: var(--bg-color);
    color: var(--text-primary);
}

.font-picker-modal-body {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    overflow: hidden;
}

.font-picker-modal-body .text-input {
    width: 100%;
    box-sizing: border-box;
}

.font-list {
    overflow-y: auto;
    max-height: 400px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.font-list-item {
    padding: 16px 15px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: background 0.1s ease;
    white-space: nowrap;
    text-overflow: ellipsis;
}

.font-list-item:hover {
    background: var(--bg-color);
}

.font-list-item.active {
    background: var(--primary-color);
    color: #fff;
}

/* Font ZIP upload row */
.font-zip-upload-row {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
    margin-bottom: 4px;
}

.font-zip-upload-btn {
    cursor: pointer;
    user-select: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

/* Section labels inside font list (Custom Fonts / Standard Fonts) */
.font-list-section-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 6px 2px 2px 2px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2px;
}