/* ============================================
   مِداد - Midad Arabic Calligraphy Studio
   Premium Dark Theme Stylesheet v1.0
   Developed by Life Computer System (lifecs.biz)
   ============================================ */

/* CSS Variables - Design Tokens */
:root {
    /* Colors - Dark Theme */
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-tertiary: #1a1a25;
    --bg-elevated: #22222f;
    --bg-hover: #2a2a3a;
    --bg-active: #3a3a4a;

    /* Accent Colors */
    --accent-primary: #c9a227;
    --accent-secondary: #e6b830;
    --accent-glow: rgba(201, 162, 39, 0.3);
    --accent-gradient: linear-gradient(135deg, #c9a227, #e6b830);

    /* Status Colors */
    --success: #2d6a4f;
    --warning: #f4a261;
    --error: #e94560;
    --info: #0f3460;

    /* Text Colors */
    --text-primary: #ffffff;
    --text-secondary: #b0b0c0;
    --text-muted: #707080;
    --text-disabled: #505060;

    /* Border Colors */
    --border-primary: #2a2a3a;
    --border-secondary: #3a3a4a;
    --border-focus: var(--accent-primary);

    /* Canvas */
    --canvas-bg: #ffffff;
    --canvas-grid: #e0e0e0;

    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px var(--accent-glow);

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 12px;
    --spacing-lg: 16px;
    --spacing-xl: 24px;
    --spacing-2xl: 32px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s ease;
    --transition-slow: 0.4s ease;

    /* Z-Index */
    --z-dropdown: 100;
    --z-modal: 1000;
    --z-tooltip: 1100;
    --z-toast: 1200;
    --z-presentation: 2000;

    /* Sizes */
    --header-height: 40px;
    --toolbar-height: 48px;
    --sidebar-width: 300px;
    --status-bar-height: 28px;
}

/* Reset & Base Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html,
body {
    height: 100%;
    overflow: hidden;
}

body {
    font-family: 'Tajawal', 'Segoe UI', Tahoma, sans-serif;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--bg-primary);
    direction: rtl;
    line-height: 1.5;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--bg-active);
}

/* Selection */
::selection {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* ============================================
   Header & Menu Bar
   ============================================ */
.header {
    display: flex;
    align-items: center;
    height: var(--header-height);
    background: linear-gradient(180deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%);
    border-bottom: 1px solid var(--border-primary);
    padding: 0 var(--spacing-md);
    user-select: none;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding-left: var(--spacing-lg);
    border-left: 1px solid var(--border-primary);
    margin-left: var(--spacing-lg);
}

.logo-icon {
    font-size: 24px;
    font-weight: 700;
    color: var(--accent-primary);
    font-family: 'Amiri', serif;
    text-shadow: 0 0 10px var(--accent-glow);
    animation: pulse-glow 3s ease-in-out infinite;
}

@keyframes pulse-glow {

    0%,
    100% {
        text-shadow: 0 0 10px var(--accent-glow);
    }

    50% {
        text-shadow: 0 0 20px var(--accent-glow), 0 0 30px var(--accent-glow);
    }
}

.logo-text {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
    font-family: 'Amiri', serif;
}

.logo-version {
    font-size: 10px;
    color: var(--bg-primary);
    background: var(--accent-gradient);
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-weight: 600;
}

/* Menu Bar */
.menu-bar {
    display: flex;
    gap: var(--spacing-xs);
    flex: 1;
}

.menu-item {
    position: relative;
}

.menu-item>span {
    display: block;
    padding: var(--spacing-sm) var(--spacing-md);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    font-size: 13px;
}

.menu-item>span:hover,
.menu-item.active>span {
    background: var(--bg-hover);
}

.dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 220px;
    background: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: var(--z-dropdown);
    padding: var(--spacing-xs);
}

.menu-item:hover .dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: background var(--transition-fast);
    font-family: inherit;
    font-size: 13px;
    text-align: right;
}

.dropdown button:hover {
    background: var(--bg-hover);
}

.dropdown .icon {
    width: 24px;
    text-align: center;
    font-size: 14px;
}

.dropdown .separator {
    height: 1px;
    background: var(--border-primary);
    margin: var(--spacing-xs) 0;
}

.header-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.header-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--accent-gradient);
    border: none;
    color: var(--bg-primary);
    border-radius: var(--radius-full);
    cursor: pointer;
    font-family: inherit;
    font-size: 12px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.header-btn:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

.icon-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 16px;
}

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

/* ============================================
   Toolbar
   ============================================ */
.toolbar {
    display: flex;
    align-items: center;
    height: var(--toolbar-height);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    padding: 0 var(--spacing-md);
    gap: var(--spacing-sm);
    overflow-x: auto;
}

.toolbar-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.toolbar-separator {
    width: 1px;
    height: 28px;
    background: var(--border-primary);
    margin: 0 var(--spacing-sm);
}

.tool-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid transparent;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 16px;
}

.tool-btn svg {
    width: 20px;
    height: 20px;
}

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

.tool-btn.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.zoom-select {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 12px;
    cursor: pointer;
}

.canvas-size-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.canvas-size-group label {
    font-size: 12px;
    color: var(--text-secondary);
}

.canvas-size-group input[type="number"] {
    width: 70px;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 12px;
    text-align: center;
}

/* ============================================
   Main Content Layout
   ============================================ */
.main-content {
    display: flex;
    height: calc(100vh - var(--header-height) - var(--toolbar-height) - var(--status-bar-height));
}

/* ============================================
   Sidebars
   ============================================ */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-color: var(--border-primary);
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.sidebar-left {
    border-left: 1px solid var(--border-primary);
}

.sidebar-right {
    border-right: 1px solid var(--border-primary);
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-sm);
    gap: var(--spacing-sm);
}

/* Sidebar Tabs */
.sidebar-tabs {
    display: flex;
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.sidebar-tab {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-family: inherit;
    font-size: 13px;
    transition: all var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.sidebar-tab:hover {
    color: var(--text-primary);
    background: var(--bg-hover);
}

.sidebar-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: var(--spacing-sm);
    padding-bottom: 50px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Panels */
.panel {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    overflow: hidden;
    flex-shrink: 0;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-elevated);
    border-bottom: 1px solid var(--border-primary);
}

.panel-header h3 {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.panel-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.btn-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
    border: none;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.btn-icon:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.panel-content {
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 20px;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    transition: var(--transition-fast);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    height: 16px;
    width: 16px;
    right: 2px;
    bottom: 2px;
    background: var(--text-secondary);
    border-radius: 50%;
    transition: var(--transition-fast);
}

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

.toggle-switch input:checked+.toggle-slider::before {
    transform: translateX(-20px);
    background: var(--bg-primary);
}

/* Form Elements */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.form-group label {
    font-size: 12px;
    color: var(--text-secondary);
}

.form-group.half {
    width: calc(50% - var(--spacing-xs));
}

.position-grid {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.select-styled {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    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='%23707080' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 10px center;
}

.select-styled:hover {
    border-color: var(--accent-primary);
}

.select-styled:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.select-styled optgroup {
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-primary);
}

.select-styled option {
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
}

input[type="number"],
input[type="text"] {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 13px;
    transition: all var(--transition-fast);
}

input[type="number"]:hover,
input[type="text"]:hover {
    border-color: var(--accent-primary);
}

input[type="number"]:focus,
input[type="text"]:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.input-with-slider {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

.input-with-slider input[type="range"] {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--bg-hover);
    border-radius: 2px;
    cursor: pointer;
}

.input-with-slider input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent-primary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.input-with-slider input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.input-with-slider input[type="number"] {
    width: 60px;
    text-align: center;
    padding: var(--spacing-xs) var(--spacing-sm);
}

/* Button Groups */
.button-group {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.style-btn {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
    transition: all var(--transition-fast);
}

.style-btn:hover {
    border-color: var(--accent-primary);
}

.style-btn.active {
    background: var(--accent-primary);
    color: var(--bg-primary);
    border-color: var(--accent-primary);
}

.tashkeel-group {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xs);
}

.tashkeel-btn {
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-family: 'Amiri', serif;
    font-size: 16px;
    transition: all var(--transition-fast);
}

.tashkeel-btn:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* Color Picker */
.color-picker-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.color-picker-wrapper input[type="color"] {
    width: 40px;
    height: 32px;
    padding: 0;
    border: 2px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    background: none;
}

.color-picker-wrapper input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 2px;
}

.color-picker-wrapper input[type="color"]::-webkit-color-swatch {
    border: none;
    border-radius: 2px;
}

.color-hex-input {
    width: 80px !important;
    text-align: center;
    font-family: monospace;
}

.color-presets {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.color-preset {
    width: 28px;
    height: 28px;
    border: 2px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.color-preset:hover {
    transform: scale(1.1);
    border-color: var(--text-primary);
}

/* ============================================
   Advanced Character Controls
   ============================================ */
.advanced-text-panel .panel-header h3 {
    font-size: 13px;
}

.input-with-slider .unit {
    font-size: 11px;
    color: var(--text-muted);
    min-width: 20px;
    text-align: center;
}

.char-presets {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-secondary);
}

.char-preset-btn {
    padding: 8px 4px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 11px;
    transition: all var(--transition-fast);
}

.char-preset-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.char-preset-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

.char-apply-btns {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.char-apply-btns .btn {
    flex: 1;
    padding: 10px;
    font-size: 12px;
}

/* Gradient Controls */
.gradient-controls {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.gradient-colors {
    display: flex;
    gap: var(--spacing-md);
}

.gradient-colors .color-picker-wrapper {
    flex-direction: column;
    align-items: flex-start;
}

.gradient-colors label {
    font-size: 11px;
    color: var(--text-muted);
}

/* Filters Grid */
.filters-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.filter-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm);
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.filter-btn:hover {
    border-color: var(--accent-primary);
}

.filter-btn.active {
    border-color: var(--accent-primary);
    background: var(--bg-hover);
}

.filter-preview {
    font-family: 'Amiri', serif;
    font-size: 24px;
    color: var(--text-primary);
}

.blur-preview {
    filter: blur(2px);
}

.emboss-preview {
    text-shadow: 1px 1px 0 #fff, -1px -1px 0 #000;
}

.vintage-preview {
    color: #8b7355;
}

.filter-btn span:last-child {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Frames & Patterns Grid */
.frames-grid,
.patterns-grid,
.backgrounds-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
}

.frame-item,
.pattern-item {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 24px;
    transition: all var(--transition-fast);
}

.frame-item:hover,
.pattern-item:hover {
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

.bg-item {
    aspect-ratio: 1;
    border: 2px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.bg-item:hover {
    border-color: var(--accent-primary);
    transform: scale(1.1);
    box-shadow: var(--shadow-md);
}

/* Rulers */
.ruler {
    position: absolute;
    background: var(--bg-tertiary);
    overflow: hidden;
    z-index: 5;
}

.ruler-horizontal {
    top: 0;
    left: 20px;
    right: 0;
    height: 20px;
    border-bottom: 1px solid var(--border-primary);
}

.ruler-vertical {
    top: 20px;
    right: 0;
    bottom: 0;
    width: 20px;
    border-left: 1px solid var(--border-primary);
}

.ruler-mark {
    position: absolute;
    font-size: 9px;
    color: var(--text-muted);
    pointer-events: none;
}

.ruler-horizontal .ruler-mark {
    bottom: 2px;
    transform: translateX(-50%);
}

.ruler-vertical .ruler-mark {
    left: 2px;
    transform: translateY(-50%) rotate(-90deg);
    transform-origin: left center;
}

/* ============================================
   Geometric Shapes Playground
   ============================================ */
.geometric-playground {
    padding: var(--spacing-md);
}

.playground-hint {
    font-size: 12px;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-hover);
    border-radius: var(--radius-sm);
}

/* Shape Colors Palette */
.shape-colors {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
}

.shape-color {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.shape-color:hover {
    transform: scale(1.15);
}

.shape-color.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--accent-primary);
}

/* ============================================
   Engraved/Carved Text Effects
   ============================================ */
.material-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: var(--spacing-md);
}

.material-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 8px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.material-btn:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.material-btn.active {
    border-color: var(--accent-primary);
    background: var(--bg-hover);
}

.material-preview {
    width: 100%;
    height: 35px;
    border-radius: 4px;
}

.material-preview.glass {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(200, 220, 255, 0.5));
    backdrop-filter: blur(5px);
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.5);
}

.material-preview.wood {
    background: linear-gradient(90deg, #8B4513 0%, #A0522D 30%, #8B4513 60%, #654321 100%);
    background-size: 20px 100%;
}

.material-preview.metal {
    background: linear-gradient(135deg, #4a4a4a, #8a8a8a, #4a4a4a, #6a6a6a);
    box-shadow: inset 0 1px 3px rgba(255, 255, 255, 0.3);
}

.material-preview.stone {
    background: linear-gradient(135deg, #6b6b6b, #8a8a8a, #5a5a5a);
}

.material-preview.marble {
    background: linear-gradient(135deg, #f5f5f5 0%, #e0e0e0 25%, #f0f0f0 50%, #d5d5d5 75%, #f5f5f5 100%);
}

.material-preview.gold-mat {
    background: linear-gradient(135deg, #d4af37, #f5d442, #d4af37, #c9a227);
}

.material-btn span {
    font-size: 10px;
    color: var(--text-muted);
}

.engrave-style-btns {
    display: flex;
    gap: 8px;
    margin-top: var(--spacing-md);
}

.engrave-style-btn {
    flex: 1;
    padding: 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.engrave-style-btn:hover {
    background: var(--bg-hover);
}

.engrave-style-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* Geometric Shapes Grid */
.geometric-shapes-grid {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.shape-category h4 {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.shapes-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xs);
}

.geo-shape-btn {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 8px;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.geo-shape-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: scale(1.05);
}

.geo-shape-btn:active {
    transform: scale(0.95);
}

.geo-shape-btn svg {
    width: 100%;
    height: 100%;
}

/* Shape Size Control */
.shape-size-control {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-secondary);
}

/* Shape Actions */
.shape-actions {
    display: flex;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.action-btn {
    flex: 1;
    padding: var(--spacing-sm);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 11px;
    transition: all var(--transition-fast);
}

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

/* Pattern Presets - New Card Design */
.pattern-presets-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.preset-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.preset-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    border-color: transparent;
}

.preset-card-icon {
    width: 50px;
    height: 50px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.preset-card:hover .preset-card-icon {
    transform: scale(1.1);
}

.preset-card-name {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

.preset-card:hover .preset-card-name {
    color: var(--text-primary);
}

/* Keep old styles for compatibility */
.pattern-presets {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
}

.pattern-preset-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pattern-preset-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.preset-icon {
    font-size: 24px;
}

.pattern-preset-btn span:last-child {
    font-size: 11px;
    color: var(--text-secondary);
}

/* Snap Controls */
.snap-controls {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-secondary);
}

.snap-toggle {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.grid-size-btns {
    display: flex;
    gap: 4px;
}

.grid-btn {
    flex: 1;
    padding: 6px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 11px;
    transition: all var(--transition-fast);
}

.grid-btn:hover {
    background: var(--bg-hover);
}

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

/* Snap Grid Overlay */
.snap-grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 1;
}

.snap-grid-overlay.active {
    background-image:
        linear-gradient(to right, rgba(139, 92, 246, 0.1) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(139, 92, 246, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
}

.background-item {
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

/* ============================================
   3D Viewer Styles
   ============================================ */
.modal-xl {
    max-width: 1200px;
    width: 95%;
}

.viewer3d-hint {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.btn-3d-launch {
    width: 100%;
    padding: var(--spacing-md);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    font-size: 14px;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.btn-3d-launch:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-3d-icon {
    font-size: 24px;
}

.viewer3d-body {
    display: flex;
    gap: var(--spacing-lg);
    padding: 0 !important;
    height: 500px;
}

.viewer3d-container {
    flex: 1;
    background: #0f3460;
    border-radius: var(--radius-md);
    overflow: hidden;
    position: relative;
}

.viewer3d-container canvas {
    width: 100% !important;
    height: 100% !important;
}

.viewer3d-controls {
    width: 220px;
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.viewer3d-section h4 {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: var(--spacing-sm);
}

.viewer3d-btns {
    display: flex;
    gap: 4px;
}

.viewer3d-btn {
    flex: 1;
    padding: 8px 4px;
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 10px;
    transition: all var(--transition-fast);
}

.viewer3d-btn:hover {
    background: var(--bg-hover);
}

.viewer3d-btn.active {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
}

/* ============================================
   Enhanced Backgrounds Panel
   ============================================ */
.backgrounds-panel .panel-content {
    padding: 0;
}

.bg-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-secondary);
}

.bg-tab {
    flex: 1;
    padding: 10px 8px;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.bg-tab:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.bg-tab.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.bg-tab-content {
    display: none;
    padding: var(--spacing-md);
}

.bg-tab-content.active {
    display: block;
}

.bg-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 8px;
    margin-top: 8px;
}

.bg-subtitle:first-child {
    margin-top: 0;
}

/* Color Buttons */
.bg-colors-grid,
.bg-gradients-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.bg-color-btn,
.bg-gradient-btn {
    aspect-ratio: 1;
    border: 2px solid var(--border-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.bg-color-btn:hover,
.bg-gradient-btn:hover {
    transform: scale(1.05);
    border-color: var(--accent-primary);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.bg-color-btn.active,
.bg-gradient-btn.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.3);
}

/* Custom Background Color */
.bg-custom {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border-secondary);
}

.bg-custom label {
    font-size: 12px;
    color: var(--text-secondary);
}

.bg-custom input[type="color"] {
    flex: 1;
    height: 32px;
    border: 1px solid var(--border-secondary);
    border-radius: 6px;
    cursor: pointer;
}

/* Pattern Buttons */
.bg-patterns-grid,
.bg-frames-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.bg-pattern-btn,
.bg-frame-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    padding: 8px;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.bg-pattern-btn:hover,
.bg-frame-btn:hover {
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

.bg-pattern-btn.active,
.bg-frame-btn.active {
    border-color: var(--accent-primary);
    background: var(--bg-hover);
}

.pattern-preview,
.frame-preview {
    width: 100%;
    aspect-ratio: 1;
    border-radius: 4px;
    background-color: #1a1a2e;
}

.bg-pattern-btn span,
.bg-frame-btn span {
    font-size: 10px;
    color: var(--text-muted);
}

/* Frame Previews */
.frame-preview.none {
    background: #f5f5f5;
    border: 1px dashed var(--border-secondary);
}

.frame-preview.canvas {
    background: #f5f5dc;
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.1);
}

.frame-preview.wood {
    background: linear-gradient(135deg, #8B4513, #A0522D);
    box-shadow: inset 0 0 0 4px #654321;
}

.frame-preview.gold {
    background: #fff;
    box-shadow: inset 0 0 0 4px #d4af37;
}

.frame-preview.classic {
    background: #fff;
    box-shadow: inset 0 0 0 3px #333, inset 0 0 0 5px #d4af37;
}

.frame-preview.modern {
    background: #fff;
    box-shadow: inset 0 0 0 2px #333;
}

.viewer3d-colors {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
}

.bg3d-btn {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.bg3d-btn:hover {
    transform: scale(1.1);
}

.bg3d-btn.active {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--accent-primary);
}

.viewer3d-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.recording-status {
    display: none;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-sm);
    color: #ef4444;
}

.recording-status.active {
    display: flex;
}

.rec-dot {
    width: 12px;
    height: 12px;
    background: #ef4444;
    border-radius: 50%;
    animation: pulse-rec 1s infinite;
}

@keyframes pulse-rec {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.viewer3d-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.btn-danger {
    background: #ef4444 !important;
}

.btn-danger:hover {
    background: #dc2626 !important;
}

.btn-success {
    background: #22c55e !important;
}

.btn-success:hover {
    background: #16a34a !important;
}

.frame-item:hover,
.pattern-item:hover,
.background-item:hover {
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

/* Layers */
.layers-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-height: 200px;
    overflow-y: auto;
}

.layer-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.layer-item.active {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.layer-visibility,
.layer-lock {
    font-size: 12px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.layer-visibility:hover,
.layer-lock:hover {
    opacity: 1;
}

.layer-name {
    flex: 1;
    font-size: 12px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Text Samples */
.text-samples {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-height: 180px;
    overflow-y: auto;
}

.sample-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Amiri', serif;
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: right;
}

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

/* History List */
.history-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    max-height: 150px;
    overflow-y: auto;
}

.history-item {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: background var(--transition-fast);
}

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

.history-item.current {
    color: var(--accent-primary);
    font-weight: 600;
}

/* ============================================
   Canvas Area
   ============================================ */
.canvas-area {
    flex: 1;
    background: var(--bg-primary);
    overflow: hidden;
    position: relative;
}

.canvas-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    position: relative;
    background:
        linear-gradient(45deg, #1a1a25 25%, transparent 25%),
        linear-gradient(-45deg, #1a1a25 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #1a1a25 75%),
        linear-gradient(-45deg, transparent 75%, #1a1a25 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
    background-color: #12121a;
}

/* Rulers */
.ruler {
    position: absolute;
    background: var(--bg-tertiary);
    z-index: 10;
}

.ruler-horizontal {
    top: 0;
    right: 30px;
    left: 0;
    height: 24px;
    border-bottom: 1px solid var(--border-primary);
}

.ruler-vertical {
    top: 24px;
    right: 0;
    bottom: 0;
    width: 30px;
    border-left: 1px solid var(--border-primary);
}

.canvas-container {
    position: absolute;
    top: 24px;
    right: 30px;
    left: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: auto;
}

#main-canvas {
    box-shadow: var(--shadow-xl);
}

/* Frame wrapper for canvas - applies frames around the white canvas area */
.canvas-frame-wrapper {
    display: inline-block;
    position: relative;
    line-height: 0;
    transition: all 0.3s ease;
}

/* ============================================
   Status Bar
   ============================================ */
.status-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--status-bar-height);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-primary);
    padding: 0 var(--spacing-md);
    font-size: 12px;
    color: var(--text-muted);
}

.status-left,
.status-center,
.status-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.status-right .separator {
    color: var(--border-primary);
}

/* ============================================
   Modals
   ============================================ */
.modal {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: var(--z-modal);
}

.modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    width: 90%;
    max-width: 500px;
    max-height: 85vh;
    background: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    transform: scale(0.9) translateY(-20px);
    transition: transform var(--transition-normal);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.modal.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-content.modal-lg {
    max-width: 800px;
}

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

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

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

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

.modal-footer {
    display: flex;
    justify-content: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    background: var(--bg-tertiary);
    border-top: 1px solid var(--border-primary);
}

/* Text Modal */
#text-input,
#curved-text-input,
#circle-text-input {
    width: 100%;
    min-height: 150px;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Amiri', serif;
    font-size: 24px;
    line-height: 2;
    resize: vertical;
    transition: all var(--transition-fast);
}

#text-input:focus,
#curved-text-input:focus,
#circle-text-input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

#text-input::placeholder,
#curved-text-input::placeholder,
#circle-text-input::placeholder {
    color: var(--text-muted);
}

.text-modal-options {
    margin-top: var(--spacing-md);
    display: flex;
    gap: var(--spacing-md);
}

.text-modal-options label {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    font-size: 13px;
    color: var(--text-secondary);
}

/* Templates Grid */
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: var(--spacing-md);
}

.template-item {
    aspect-ratio: 4/3;
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md);
    text-align: center;
}

.template-item:hover {
    border-color: var(--accent-primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.template-item .template-preview {
    font-family: 'Amiri', serif;
    font-size: 20px;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
}

.template-item .template-name {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Buttons */
.btn {
    padding: var(--spacing-sm) var(--spacing-xl);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-primary {
    background: var(--accent-gradient);
    color: var(--bg-primary);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

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

.btn-secondary:hover {
    background: var(--bg-active);
}

/* About Modal */
.about-content {
    text-align: center;
}

.about-logo {
    width: 100px;
    height: 100px;
    margin: 0 auto var(--spacing-lg);
    background: var(--accent-gradient);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 56px;
    font-weight: 700;
    color: var(--bg-primary);
    font-family: 'Amiri', serif;
    box-shadow: var(--shadow-glow);
}

.about-content h1 {
    font-size: 28px;
    margin-bottom: var(--spacing-sm);
}

.about-content .version {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-lg);
    font-weight: 600;
}

.about-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    flex-wrap: wrap;
    margin: var(--spacing-lg) 0;
}

.about-features span {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--bg-hover);
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--text-secondary);
}

.about-content .copyright {
    color: var(--text-muted);
    font-size: 12px;
    margin-top: var(--spacing-lg);
}

/* Shortcuts Modal */
.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.shortcut-category h4 {
    color: var(--accent-primary);
    margin-bottom: var(--spacing-md);
    font-size: 14px;
}

.shortcut-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) 0;
}

.shortcut-item kbd {
    padding: 4px 8px;
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-family: monospace;
    min-width: 24px;
    text-align: center;
}

.shortcut-item span {
    flex: 1;
    font-size: 12px;
    color: var(--text-secondary);
}

/* ============================================
   Custom Context Menu
   ============================================ */
.context-menu {
    position: fixed;
    z-index: 10000;
    min-width: 220px;
    max-width: 250px;
    max-height: 350px;
    overflow-y: auto;
    background: var(--bg-secondary);
    border: 1px solid var(--border-secondary);
    border-radius: 10px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    padding: 6px;
    display: none;
    animation: contextMenuFade 0.15s ease;
}

/* Custom scrollbar for context menu */
.context-menu::-webkit-scrollbar {
    width: 6px;
}

.context-menu::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
    border-radius: 3px;
}

.context-menu::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: 3px;
}

.context-menu::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

.context-menu.active {
    display: block;
}

@keyframes contextMenuFade {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

.context-menu-header {
    padding: 8px 12px;
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-secondary);
    margin-bottom: 8px;
}

.context-section {
    margin-bottom: 8px;
}

.context-section-title {
    font-size: 11px;
    color: var(--text-muted);
    padding: 4px 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.context-divider {
    height: 1px;
    background: var(--border-secondary);
    margin: 8px 0;
}

/* Shape Variations Grid */
.shape-variations {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    padding: 8px;
}

.shape-var-btn {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border: 2px solid var(--border-secondary);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Amiri', serif;
    font-size: 22px;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.shape-var-btn:hover {
    background: var(--accent-primary);
    color: white;
    border-color: var(--accent-primary);
    transform: scale(1.05);
}

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

/* Context Buttons */
.context-buttons {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
    padding: 4px 8px;
}

.context-btn {
    padding: 8px 4px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-secondary);
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 11px;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

/* Context Items */
.context-items {
    display: flex;
    flex-direction: column;
}

.context-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    text-align: right;
    transition: all 0.15s ease;
}

.context-item:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.context-item span {
    font-size: 16px;
}

/* Share Modal */
.share-preview {
    width: 100%;
    height: 200px;
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.share-preview img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.share-link-wrapper {
    display: flex;
    gap: var(--spacing-sm);
}

.share-link-wrapper input {
    flex: 1;
}

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.share-btn {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.share-btn.whatsapp {
    background: #25d366;
    color: white;
}

.share-btn.twitter {
    background: #1da1f2;
    color: white;
}

.share-btn.facebook {
    background: #4267b2;
    color: white;
}

.share-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Projects List */
.projects-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.project-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.project-item:hover {
    background: var(--bg-hover);
    border-color: var(--accent-primary);
}

.project-info h4 {
    font-size: 14px;
    margin-bottom: var(--spacing-xs);
}

.project-info p {
    font-size: 12px;
    color: var(--text-muted);
}

.project-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.project-actions button {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
    border: none;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.project-actions button:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

.project-actions button.delete:hover {
    background: var(--error);
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-muted);
}

.empty-state-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

/* Presentation Mode */
.presentation-mode {
    position: fixed;
    inset: 0;
    background: #000;
    z-index: var(--z-presentation);
    display: none;
    align-items: center;
    justify-content: center;
}

.presentation-mode.active {
    display: flex;
}

.presentation-canvas {
    max-width: 90vw;
    max-height: 90vh;
}

.presentation-canvas img,
.presentation-canvas canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.presentation-controls {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: var(--spacing-lg);
    z-index: var(--z-toast);
}

.loading-overlay.active {
    display: flex;
}

.loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--bg-hover);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 60px;
    left: 20px;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: var(--z-toast);
}

.toast {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    animation: slideInLeft 0.3s ease;
    max-width: 350px;
}

@keyframes slideInLeft {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-right: 3px solid var(--success);
}

.toast.error {
    border-right: 3px solid var(--error);
}

.toast.warning {
    border-right: 3px solid var(--warning);
}

.toast.info {
    border-right: 3px solid var(--info);
}

.toast-icon {
    font-size: 20px;
}

.toast-message {
    flex: 1;
    font-size: 13px;
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 16px;
    padding: 4px;
}

/* ============================================
   Responsive - Mobile Support
   ============================================ */

/* Tablet Large */
@media (max-width: 1400px) {
    .sidebar {
        width: 260px;
    }
}

/* Tablet */
@media (max-width: 1200px) {
    :root {
        --sidebar-width: 240px;
    }

    .canvas-size-group {
        display: none;
    }

    .toolbar-group:nth-child(n+5) {
        display: none;
    }
}

/* Tablet Small */
@media (max-width: 992px) {
    :root {
        --sidebar-width: 220px;
    }

    .sidebar-right {
        position: fixed;
        left: 0;
        top: calc(var(--header-height) + var(--toolbar-height));
        height: calc(100vh - var(--header-height) - var(--toolbar-height) - var(--status-bar-height));
        transform: translateX(-100%);
        transition: transform 0.3s ease;
        z-index: 100;
        box-shadow: var(--shadow-lg);
    }

    .sidebar-right.open {
        transform: translateX(0);
    }

    .logo-text {
        display: none;
    }
}

/* Mobile */
@media (max-width: 768px) {
    :root {
        --header-height: 50px;
        --toolbar-height: 56px;
        --sidebar-width: 280px;
    }

    .header {
        padding: 0 var(--spacing-sm);
    }

    .menu-bar {
        display: none;
    }

    .mobile-menu-btn {
        display: flex !important;
    }

    .logo-version {
        display: none;
    }

    .sidebar-left,
    .sidebar-right {
        position: fixed;
        top: calc(var(--header-height) + var(--toolbar-height));
        height: calc(100vh - var(--header-height) - var(--toolbar-height) - var(--status-bar-height));
        z-index: 100;
        box-shadow: var(--shadow-xl);
        transition: transform 0.3s ease;
    }

    .sidebar-left {
        right: 0;
        transform: translateX(100%);
    }

    .sidebar-left.open {
        transform: translateX(0);
    }

    .sidebar-right {
        left: 0;
        transform: translateX(-100%);
    }

    .sidebar-right.open {
        transform: translateX(0);
    }

    .toolbar {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: var(--spacing-xs);
        padding: 0 var(--spacing-xs);
    }

    .tool-btn {
        width: 44px;
        height: 44px;
        font-size: 18px;
        flex-shrink: 0;
    }

    .toolbar-separator {
        display: none;
    }

    .canvas-area {
        width: 100%;
    }

    .canvas-container {
        overflow: auto;
        -webkit-overflow-scrolling: touch;
    }

    .status-bar {
        padding: 0 var(--spacing-sm);
        font-size: 11px;
    }

    .status-center {
        display: none;
    }

    /* Modal adjustments */
    .modal-content {
        width: 95%;
        max-width: 95%;
        max-height: 85vh;
        margin: 5vh auto;
    }

    .shortcuts-grid {
        grid-template-columns: 1fr;
    }

    /* Panels */
    .panel-content {
        padding: var(--spacing-sm);
    }

    .form-group.half {
        width: 100%;
    }

    .position-grid {
        gap: var(--spacing-xs);
    }
}

/* Mobile Small */
@media (max-width: 480px) {
    :root {
        --header-height: 48px;
        --toolbar-height: 52px;
    }

    .header-btn span:last-child {
        display: none;
    }

    .tool-btn {
        width: 40px;
        height: 40px;
    }

    .sidebar-tabs {
        font-size: 12px;
    }

    .sidebar-tab {
        padding: var(--spacing-xs) var(--spacing-sm);
    }

    .toast {
        max-width: 90vw;
        right: 5vw;
    }
}

/* Mobile Sidebar Toggle Overlay */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.sidebar-overlay.active {
    display: block;
}

/* Mobile Menu Button */
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 20px;
}

/* Touch-friendly improvements */
@media (pointer: coarse) {

    .tool-btn,
    .style-btn,
    .tashkeel-btn {
        min-width: 44px;
        min-height: 44px;
    }

    input[type="range"] {
        height: 20px;
    }

    .input-with-slider input[type="range"]::-webkit-slider-thumb {
        width: 24px;
        height: 24px;
    }

    .toggle-switch {
        width: 50px;
        height: 26px;
    }

    .toggle-slider::before {
        width: 22px;
        height: 22px;
    }

    .toggle-switch input:checked+.toggle-slider::before {
        transform: translateX(-24px);
    }

    .dropdown button {
        padding: var(--spacing-md);
    }

    .sample-btn {
        padding: var(--spacing-md);
    }
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    body * {
        visibility: hidden;
    }

    #main-canvas,
    #main-canvas * {
        visibility: visible;
    }

    #main-canvas {
        position: absolute;
        left: 0;
        top: 0;
    }
}

/* ============================================
   Light Mode Theme
   ============================================ */
body.light-mode {
    --bg-primary: #f5f5f7;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f0f2;
    --bg-elevated: #ffffff;
    --bg-hover: #e8e8ec;
    --bg-active: #d8d8dc;

    --text-primary: #1a1a1a;
    --text-secondary: #555555;
    --text-muted: #888888;
    --text-disabled: #aaaaaa;

    --border-primary: #e0e0e0;
    --border-secondary: #d0d0d0;

    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 8px 16px rgba(0, 0, 0, 0.15);
}

body.light-mode .header {
    background: linear-gradient(180deg, #ffffff 0%, #f5f5f7 100%);
}

body.light-mode .dropdown {
    background: #ffffff;
}

body.light-mode .modal-content {
    background: #ffffff;
}

body.light-mode .panel {
    background: #f8f8fa;
}

body.light-mode .select-styled,
body.light-mode input[type="number"],
body.light-mode input[type="text"],
body.light-mode textarea {
    background: #ffffff;
    border-color: #d0d0d0;
}

body.light-mode .tool-btn:hover {
    background: #e0e0e4;
}

body.light-mode .toast {
    background: #ffffff;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Theme Toggle Button */
.theme-toggle {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-hover);
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 16px;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* ============================================
   Canvas Frame Styles
   ============================================ */
#canvas-wrapper {
    transition: all 0.3s ease;
}

#canvas-wrapper.frame-canvas {
    padding: 20px;
    background: linear-gradient(135deg, #d4c4a8, #e8dcc8);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.1);
}

#canvas-wrapper.frame-wood {
    padding: 15px;
    background: linear-gradient(135deg, #8B4513, #A0522D, #8B4513);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3), 0 5px 20px rgba(0, 0, 0, 0.3);
    border: 3px solid #654321;
}

#canvas-wrapper.frame-gold {
    padding: 12px;
    background: linear-gradient(135deg, #d4af37, #f0d060, #d4af37);
    box-shadow: 0 5px 25px rgba(212, 175, 55, 0.4);
    border: 2px solid #c9a227;
}

#canvas-wrapper.frame-classic {
    padding: 15px;
    background: linear-gradient(135deg, #333, #555, #333);
    box-shadow: 0 0 0 3px #d4af37, 0 5px 25px rgba(0, 0, 0, 0.4);
}

#canvas-wrapper.frame-modern {
    padding: 8px;
    background: #1a1a1a;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    border: 1px solid #333;
}