:root {
    --bg-color: #f1f5f9;
    --panel-bg: rgba(255, 255, 255, 0.8);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --border-color: rgba(226, 232, 240, 0.8);
    --primary: #10b981;
    --primary-hover: #059669;
    --danger: #ef4444;
    --focus-ring: rgba(16, 185, 129, 0.2);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --border-radius: 12px;
    --sidebar-width: 220px;
    --panel-width: 480px;
    --topbar-height: 64px;
    --glass-blur: 12px;
    
    font-family: 'Outfit', 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Typography & Utilities */
h1 { font-size: 16px; font-weight: 600; margin-bottom: 2px; }
.text-sm { font-size: 13px; }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.w-full { width: 100%; }
.flex-1 { flex: 1; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }

/* Buttons */
button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 500;
    border-radius: var(--border-radius);
    transition: all 0.2s ease;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 8px 16px;
}
.btn-primary:hover {
    background-color: var(--primary-hover);
}

.btn-outline {
    background-color: white;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 16px;
}
.btn-outline:hover {
    background-color: #f8fafc;
    border-color: #cbd5e1;
}

.btn-icon {
    padding: 8px;
    color: var(--text-secondary);
}
.btn-icon:hover {
    background-color: var(--border-color);
}

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

.icon-sm {
    width: 16px;
    height: 16px;
}

/* Topbar */
.topbar {
    height: var(--topbar-height);
    background-color: var(--panel-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 32px;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
}

.logo-icon-bg {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    border-radius: 8px;
    padding: 8px;
    display: flex;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.logo-text h1 {
    font-size: 18px;
    letter-spacing: -0.02em;
}

.logo-text span {
    font-size: 11px;
    color: var(--text-muted);
    letter-spacing: 0.05em;
    font-weight: 600;
}

.topbar-actions {
    display: flex;
    gap: 12px;
    align-items: center;
}

/* Layout */
.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background-color: var(--panel-bg);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 16px 24px 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.template-list {
    list-style: none;
    flex: 1;
    overflow-y: auto;
    padding: 8px;
}

.template-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 12px 20px;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 6px;
    border: 1px solid transparent;
}

.template-item:hover {
    background-color: rgba(16, 185, 129, 0.05);
    border-color: rgba(16, 185, 129, 0.1);
    transform: translateX(4px);
}

.template-item.active {
    background: linear-gradient(135deg, var(--primary), var(--primary-hover));
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.template-item.active .template-desc {
    color: rgba(255, 255, 255, 0.8);
}

.template-icon {
    margin-top: 4px;
    width: 20px;
    height: 20px;
}

.template-name {
    font-weight: 700;
    font-size: 14px;
    display: block;
    letter-spacing: -0.01em;
}

.template-desc {
    font-size: 11px;
    color: var(--text-secondary);
    margin-top: 4px;
    font-weight: 500;
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    font-size: 12px;
    color: var(--text-muted);
}

/* Workspace */
.workspace {
    flex: 1;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: radial-gradient(circle at center, #f8fafc 0%, #e2e8f0 100%);
}

body.dark-mode .workspace {
    background: radial-gradient(circle at center, #0f172a 0%, #020617 100%);
}

.zoom-controls {
    position: absolute;
    top: 24px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 40px;
    padding: 6px;
    z-index: 100;
    box-shadow: var(--shadow-lg);
}

body.dark-mode .zoom-controls {
    background: rgba(15, 23, 42, 0.8);
}

.zoom-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

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

#zoom-level {
    font-size: 13px;
    font-weight: 600;
    padding: 0 12px;
    min-width: 50px;
    text-align: center;
    color: var(--text-primary);
}

.btn-border-left {
    border-left: 1px solid var(--border-color) !important;
    border-radius: 0 20px 20px 0 !important;
    padding: 0 12px !important;
    width: auto !important;
}

.canvas-wrapper {
    width: 100%;
    height: 100%;
    overflow: hidden;
    cursor: grab;
    display: flex;
    align-items: center;
    justify-content: center;
}

.canvas-wrapper:active {
    cursor: grabbing;
}

.pan-tooltip {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(15, 23, 42, 0.7);
    color: white;
    padding: 8px 16px;
    border-radius: 40px;
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 8px;
    backdrop-filter: blur(8px);
    z-index: 50;
    pointer-events: none;
    box-shadow: var(--shadow-md);
}



.page {
    background-color: white;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15), 0 0 0 1px rgba(0, 0, 0, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    transform-origin: center center;
    position: relative; 
    will-change: transform;
    border-radius: 4px;
}

/* Page Sizes */
.page.a4.portrait { width: 794px; height: 1123px; }
.page.a4.landscape { width: 1123px; height: 794px; }
.page.letter.portrait { width: 816px; height: 1056px; }
.page.letter.landscape { width: 1056px; height: 816px; }

/* Page Margins */
.page.margin-none { padding: 0; }
.page.margin-small { padding: 40px; }
.page.margin-medium { padding: 80px; }

.pan-tooltip {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background-color: white;
    padding: 10px 16px;
    border-radius: 20px;
    box-shadow: var(--shadow-md);
    font-size: 12px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    pointer-events: none;
}

/* Properties Panel */
.properties-panel {
    width: var(--panel-width);
    background-color: var(--panel-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    box-shadow: -10px 0 30px rgba(0,0,0,0.02);
}

.panel-tabs {
    display: flex;
    padding: 12px;
    border-bottom: 1px solid var(--border-color);
    gap: 8px;
}

.tab-btn {
    flex: 1;
    padding: 10px 0;
    color: var(--text-secondary);
    background: transparent;
    border-radius: 8px;
    font-weight: 600;
    font-size: 14px;
}

.tab-btn:hover {
    background-color: #f8fafc;
}

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

.panel-content-scrollable {
    flex: 1;
    overflow-y: auto;
}

.tab-content {
    display: none;
    padding: 24px;
}

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

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

.prop-label {
    display: block;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.btn-group {
    display: flex;
    gap: 8px;
}

.select-btn {
    flex: 1;
    background-color: white;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 10px;
}

.select-btn.active {
    border-color: var(--primary);
    color: var(--primary);
    background-color: #f0fdf4;
    font-weight: 600;
}

/* Inputs & Forms */
.slider-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-primary);
}

.range-slider {
    width: 100%;
    accent-color: var(--primary);
    margin-bottom: 16px; /* Reduced for better grouping */
}

.toggle-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.toggle-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.2s ease;
}

.toggle-row:last-child {
    border-bottom: none;
}

.toggle-row:hover {
    background: rgba(255, 255, 255, 0.4);
}
/* Design Redesign */
.design-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
    padding: 0;
}

.design-card {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
}

.design-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -4px rgba(0, 0, 0, 0.08);
}

.card-header {
    background: rgba(255, 255, 255, 0.3);
    padding: 12px 16px;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
}

.card-header i {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

.card-body {
    padding: 14px 16px;
}

.prop-group {
    margin-bottom: 16px;
}
.prop-group:last-child { margin-bottom: 0; }

.prop-label {
    display: block;
    font-size: 10px;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 10px; /* Reduced label spacing */
}

.input-group label {
    display: block;
    font-size: 12px;
    margin-bottom: 6px; /* Consistent label-to-input spacing */
    color: var(--text-secondary);
    font-weight: 500;
}

.badge {
    background: rgba(16, 185, 129, 0.1);
    color: var(--primary);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 11px;
    font-weight: 700;
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.color-item {
    display: flex;
    flex-direction: column;
    gap: 6px;
    align-items: center;
    background: rgba(255, 255, 255, 0.4);
    padding: 10px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    transition: all 0.2s ease;
}

.color-item:hover {
    background: rgba(255, 255, 255, 0.8);
    border-color: var(--primary);
}

.color-item label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
}

.color-item input[type="color"] {
    width: 100%;
    height: 36px;
    border-radius: 8px;
}

.toggle-list {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 0;
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.toggle-grid-compact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.toggle-row-compact {
    background: rgba(255, 255, 255, 0.2);
    padding: 10px 12px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 12px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.toggle-row-compact:hover {
    background: rgba(255, 255, 255, 0.5);
    border-color: var(--primary);
}

.series-name-label {
    font-size: 11px;
    max-width: 100px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-weight: 600;
    color: var(--text-secondary);
}

.series-design-color {
    width: 28px !important;
    height: 18px !important;
    border: none !important;
    padding: 0 !important;
    border-radius: 4px !important;
}

.series-design-grid {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.slider-row {
    margin-bottom: 8px; /* Standardized slider label spacing */
}

/* Custom Sliders */
.range-slider {
    height: 6px;
    background: var(--border-color);
    border-radius: 3px;
    -webkit-appearance: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--primary);
    border-radius: 50%;
    cursor: pointer;
    border: 3px solid white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.2s;
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}
body.dark-mode .range-slider { background: #334155; }


.btn-icon-sm {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #10b981; /* Vibrant emerald */
    color: white;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 6px -1px rgba(16, 185, 129, 0.3), 0 2px 4px -1px rgba(16, 185, 129, 0.2);
    position: relative;
    z-index: 5;
}

.btn-icon-sm:hover {
    transform: scale(1.15) rotate(90deg);
    background: #059669;
    box-shadow: 0 10px 15px -3px rgba(16, 185, 129, 0.4);
}

.btn-icon-sm i {
    width: 16px;
    height: 16px;
    stroke-width: 3px;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
}

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

.slider.round {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #cbd5e1;
    transition: .4s;
    border-radius: 34px;
}

.slider.round:before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 2px;
    bottom: 2px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
}

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

input:checked + .slider.round:before {
    transform: translateX(16px);
}

/* Removed redundant label style */

.text-input {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 13px;
    outline: none;
    transition: border-color 0.2s;
}

.text-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--focus-ring);
}

.color-picker-group label {
    display: block;
    font-size: 13px;
    margin-bottom: 6px;
    color: var(--text-secondary);
}

.color-input-wrapper {
    display: flex;
    gap: 8px;
    align-items: center;
}

input[type="color"] {
    -webkit-appearance: none;
    border: 1px solid var(--border-color);
    width: 36px;
    height: 36px;
    border-radius: var(--border-radius);
    padding: 2px;
    cursor: pointer;
    background: white;
}
input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
input[type="color"]::-webkit-color-swatch { border: none; border-radius: 4px; }

/* Data Tab Lists */
.list-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.list-item {
    display: flex;
    gap: 8px;
    align-items: center;
    background-color: #f8fafc;
    padding: 8px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
}

.list-item-number {
    font-size: 12px;
    color: var(--text-muted);
    width: 16px;
    text-align: center;
}

.btn-delete {
    color: var(--danger);
    padding: 4px;
}
.btn-delete:hover { background-color: #fee2e2; }

.series-item {
    background-color: #f8fafc;
    padding: 12px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-bottom: 12px;
}

.series-header {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 12px;
}

.series-data-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 13px;
}
.series-data-row label {
    width: 60px;
    color: var(--text-secondary);
}

/* Dark Mode */
body.dark-mode {
    --bg-color: #020617;
    --panel-bg: rgba(15, 23, 42, 0.8);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --border-color: rgba(51, 65, 85, 0.8);
}

body.dark-mode .design-card { background: rgba(30, 41, 59, 0.4); }
body.dark-mode .design-card:hover { background: rgba(30, 41, 59, 0.6); }
body.dark-mode .card-header { background: rgba(30, 41, 59, 0.5); }
body.dark-mode .toggle-list, 
body.dark-mode .toggle-row-compact { background: rgba(15, 23, 42, 0.5); }
body.dark-mode .select-btn { background-color: rgba(15, 23, 42, 0.3); color: var(--text-primary); }
body.dark-mode .select-btn.active { background-color: rgba(16, 185, 129, 0.2); }
body.dark-mode .text-input { background-color: #0f172a; color: white; }
body.dark-mode .list-item { background-color: #0f172a; }
body.dark-mode .series-item { background-color: #0f172a; }
body.dark-mode input[type="color"] { background: #1e293b; }
/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 10px;
    opacity: 0.5;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Data Cells Grid */
.data-cells-wrapper {
    background-color: white;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    overflow: auto;
    max-height: 450px;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.05);
    position: relative;
}

.data-cells-grid {
    display: grid;
    background-color: var(--border-color);
    gap: 1px;
}

.cell {
    background-color: white;
    min-width: 100px;
    height: 40px;
    display: flex;
    align-items: center;
    padding: 0;
    font-size: 13px;
    transition: background 0.1s;
}

.cell:hover {
    background-color: #f8fafc;
}

.cell-header {
    background-color: #f1f5f9;
    font-weight: 600;
    color: var(--text-primary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.btn-delete {
    background: transparent;
    color: #ef4444; /* Bright red */
    border: none;
    cursor: pointer;
    transition: color 0.2s, transform 0.2s, opacity 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.7;
}

.btn-delete:hover {
    color: #dc2626;
    transform: scale(1.1);
    opacity: 1;
}

.cell-series {
    position: sticky;
    left: 0;
    z-index: 5;
    background-color: #f1f5f9;
    font-weight: 600;
    border-right: 2px solid var(--border-color);
}

.cell-add-row {
    position: sticky;
    left: 0;
    z-index: 12;
    background-color: rgba(16, 185, 129, 0.08);
    border-right: 2px solid var(--border-color);
}

.cell-input {
    width: 100%;
    height: 100%;
    border: none;
    outline: none;
    background: transparent;
    font-family: inherit;
    font-size: 13px;
    text-align: center;
    padding: 0 8px;
}

.cell-input:focus {
    background-color: var(--focus-ring);
    box-shadow: inset 0 0 0 2px var(--primary);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.mr-2 { margin-right: 8px; }

body.dark-mode .data-cells-wrapper { background-color: #1e293b; }
body.dark-mode .data-cells-grid { background-color: #334155; }
body.dark-mode .cell { background-color: #0f172a; }
body.dark-mode .cell:hover { background-color: #1e293b; }
body.dark-mode .cell-header, body.dark-mode .cell-series { background-color: #1e293b; }
body.dark-mode .cell-input { color: white; }

/* Responsiveness */
@media (max-width: 1200px) {
    :root {
        --sidebar-width: 70px;
        --panel-width: 350px;
    }
    .template-name, .template-desc, .sidebar-header, .sidebar-footer {
        display: none;
    }
    .template-item {
        justify-content: center;
        padding: 12px;
    }
    .template-icon {
        margin: 0;
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 900px) {
    .main-container {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    .template-list {
        display: flex;
        overflow-x: auto;
        padding: 8px;
    }
    .template-item {
        flex-shrink: 0;
        margin-bottom: 0;
        margin-right: 8px;
    }
    .properties-panel {
        width: 100%;
        height: 300px;
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
    .workspace {
        height: 400px;
    }
}

@media (max-width: 600px) {
    .topbar {
        padding: 0 12px;
    }
    .logo-text {
        display: none;
    }
    .topbar-actions button span {
        display: none;
    }
    .topbar-actions button {
        padding: 8px;
    }
}

.chart-multi-item {
    transition: all 0.3s ease;
    padding: 10px;
    background: rgba(255, 255, 255, 0.5);
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

body.dark-mode .chart-multi-item {
    background: rgba(30, 41, 59, 0.5);
}

.chart-multi-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    background: rgba(255, 255, 255, 0.8);
}

body.dark-mode .chart-multi-item:hover {
    background: rgba(30, 41, 59, 0.8);
}

.chart-title-label {
    font-size: 14px;
    font-weight: bold;
    margin-bottom: 10px;
    color: var(--text-main);
    font-family: inherit;
}

/* Mobile & Helpers */
.mobile-only {
    display: none !important;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
    .mobile-only {
        display: inline-flex !important;
    }
    
    .topbar {
        padding: 0 16px;
    }
    
    .logo-text h1 {
        font-size: 14px;
    }
    .logo-text span {
        display: none;
    }
    
    .topbar-actions button.btn-outline,
    .topbar-actions button.btn-primary {
        font-size: 0;
        padding: 8px;
        gap: 0;
    }
    
    .main-container {
        flex-direction: column;
        position: relative;
    }
    
    .sidebar {
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        z-index: 200;
        transform: translateX(-100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        background: var(--panel-bg);
        box-shadow: var(--shadow-lg);
    }
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    
    .properties-panel {
        position: absolute;
        right: 0;
        top: 0;
        bottom: 0;
        width: 100%;
        max-width: 340px;
        z-index: 200;
        transform: translateX(100%);
        transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        background: var(--panel-bg);
        box-shadow: var(--shadow-lg);
    }
    .properties-panel.mobile-open {
        transform: translateX(0);
    }
    
    .workspace {
        flex: 1;
        width: 100%;
    }
}