/* Google Fonts are loaded via <link> in index.html for non-blocking performance */


:root {
    /* Color System */
    --bg-base: #0b0f19;
    --bg-surface: #131b2e;
    --bg-surface-hover: #1e294b;
    --bg-studio: radial-gradient(circle at center, #2e3b5e 0%, #0d1222 100%);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: #38bdf8;
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    /* Brand Accents */
    --accent-blue: #38bdf8;
    --accent-teal: #2dd4bf;
    --accent-purple: #a855f7;
    --accent-amber: #fbbf24;
    --accent-rose: #f43f5e;
    --accent-gradient: linear-gradient(135deg, #38bdf8 0%, #a855f7 100%);
    --accent-success: #10b981;
    
    /* Layout Constants */
    --header-height: 72px;
    --sidebar-width: 90px;
    --panel-width: 380px;
    
    /* Elevation */
    --shadow-sm: 0 2px 8px -2px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.7);
    --shadow-lg: 0 20px 40px -10px rgba(0, 0, 0, 0.9);
    --shadow-glass: inset 0 1px 1px rgba(255, 255, 255, 0.1);
    
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 9999px;
    
    --transition-fast: 0.15s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="light"] {
    --bg-base: #edf0f5;
    --bg-surface: #f7f9fc;
    --bg-surface-hover: #e9ecf2;
    --bg-studio: radial-gradient(circle at center, #d8e1ec 0%, #b2c0d1 100%);
    --border-color: rgba(15, 23, 42, 0.08);
    --border-focus: #0284c7;
    
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --shadow-sm: 0 2px 8px -2px rgba(15, 23, 42, 0.06);
    --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 40px -10px rgba(15, 23, 42, 0.1);
    --shadow-glass: inset 0 1px 1px rgba(255, 255, 255, 0.8);
}

/* Base Styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    user-select: none;
    -webkit-user-drag: none;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-primary);
    overflow-x: hidden;
    overflow-y: auto;
    min-height: 100vh;
    height: auto;
    width: 100vw;
    display: flex;
    flex-direction: column;
    line-height: 1.5;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

button, input, select, textarea {
    font-family: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* Header Styles */
header {
    height: var(--header-height);
    background-color: rgba(var(--bg-surface), 0.8);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    z-index: 100;
    box-shadow: var(--shadow-sm);
    flex-shrink: 0;
}

header .logo-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

header .logo-icon {
    width: 40px;
    height: 40px;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
}

header .logo-text h1 {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header .logo-text p {
    font-size: 11px;
    color: var(--accent-blue);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

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

/* Premium Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 18px;
    font-size: 14px;
    font-weight: 600;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    box-shadow: 0 4px 15px -3px rgba(56, 189, 248, 0.4);
}
.btn-primary:hover {
    opacity: 0.95;
    transform: translateY(-1px);
    box-shadow: 0 8px 20px -3px rgba(56, 189, 248, 0.6);
}

.btn-danger {
    background-color: rgba(244, 63, 94, 0.1);
    color: var(--accent-rose);
    border: 1px solid rgba(244, 63, 94, 0.2);
}
.btn-danger:hover {
    background-color: rgba(244, 63, 94, 0.2);
    transform: translateY(-1px);
}

.theme-toggle {
    width: 42px;
    height: 42px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}
.theme-toggle:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

/* App Main Layout */
.app-container {
    display: flex;
    height: 900px; /* Spacious taller editor height so the uniform preview displays perfectly large without cropping */
    position: relative;
    overflow: hidden;
}

/* Left Sidebar (Toolbar Tabs) */
.left-sidebar {
    width: var(--sidebar-width);
    background-color: rgba(var(--bg-surface), 0.85);
    backdrop-filter: blur(16px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 0;
    gap: 8px;
    z-index: 10;
    flex-shrink: 0;
    overflow-y: auto;
}

.toolbar-tab {
    width: 68px;
    height: 68px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.toolbar-tab svg, .toolbar-tab .tab-icon {
    font-size: 20px;
    transition: transform var(--transition-fast);
}

.toolbar-tab span {
    font-size: 10px;
    font-weight: 500;
}

.toolbar-tab:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}
.toolbar-tab:hover svg, .toolbar-tab:hover .tab-icon {
    transform: translateY(-2px);
}

.toolbar-tab.active {
    background-color: rgba(56, 189, 248, 0.1);
    color: var(--accent-blue);
    border: 1px solid rgba(56, 189, 248, 0.15);
}

.toolbar-tab.active::after {
    content: '';
    position: absolute;
    left: 0;
    top: 20%;
    height: 60%;
    width: 4px;
    background: var(--accent-gradient);
    border-radius: 0 var(--radius-full) var(--radius-full) 0;
}

/* Tool Panel Container (Slides out when tab clicked) */
.tool-panel {
    width: var(--panel-width);
    background-color: rgba(var(--bg-surface), 0.95);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 9;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    transition: transform var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.tool-panel.collapsed {
    transform: translateX(-100%);
    position: absolute;
    pointer-events: none;
}

.panel-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.panel-header h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    font-weight: 600;
}

.panel-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.panel-close:hover {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

/* Form Controls & Panels */
.control-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.control-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.control-label span.value-badge {
    background-color: var(--bg-surface-hover);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 11px;
    color: var(--accent-blue);
    border: 1px solid var(--border-color);
}

.control-label span.value-badge input {
    width: 32px;
    text-align: center;
    color: inherit;
    font-size: inherit;
    font-weight: 700;
    background: transparent;
    border: none;
    outline: none;
    padding: 0;
}

.control-label span.value-badge input::-webkit-outer-spin-button,
.control-label span.value-badge input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

.control-label span.value-badge input[type=number] {
    -moz-appearance: textfield;
}

/* Product Options Card Grid */
.card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.product-card {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    cursor: pointer;
    transition: all var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 10px;
}
.product-card:hover {
    border-color: var(--text-muted);
    transform: translateY(-2px);
    background-color: var(--bg-surface-hover);
}
.product-card.active {
    border-color: var(--accent-blue);
    background-color: rgba(56, 189, 248, 0.05);
    box-shadow: 0 0 15px rgba(56, 189, 248, 0.15);
}

.product-card .product-icon {
    font-size: 32px;
}

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

.product-card p {
    font-size: 10px;
    color: var(--text-muted);
}

/* Segmented Control Buttons */
.segmented-control {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    padding: 4px;
}

.segment-btn {
    flex: 1;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 600;
    text-align: center;
    border-radius: var(--radius-sm);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}
.segment-btn:hover {
    color: var(--text-primary);
}
.segment-btn.active {
    background-color: var(--bg-surface);
    color: var(--accent-blue);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

/* Accordion Component */
.accordion {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    background-color: var(--bg-base);
}

.accordion-trigger {
    width: 100%;
    padding: 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
}
.accordion-trigger:hover {
    background-color: var(--bg-surface-hover);
}

.accordion-trigger .icon-arrow {
    transition: transform var(--transition-fast);
}
.accordion.expanded .accordion-trigger .icon-arrow {
    transform: rotate(180deg);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease-out;
}
.accordion.expanded .accordion-content {
    max-height: 600px;
    border-top: 1px solid var(--border-color);
    padding: 16px;
    overflow-y: auto;
}

/* Beautiful Advanced Color Palette */
.color-group-title {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
    font-weight: 700;
}

.color-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.color-swatch {
    aspect-ratio: 1;
    border-radius: var(--radius-md);
    cursor: pointer;
    position: relative;
    box-shadow: inset 0 1px 2px rgba(255, 255, 255, 0.15), var(--shadow-sm);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
    border: 2px solid transparent;
}
.color-swatch:hover {
    transform: scale(1.15);
    z-index: 2;
}
.color-swatch.active {
    border-color: var(--text-primary);
    transform: scale(1.1);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.4);
}
.color-swatch.active::after {
    content: '✓';
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 700;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.8);
}

/* Custom Customizing Inputs */
.custom-range {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    outline: none;
}
.custom-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background: var(--accent-blue);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.5);
    transition: transform var(--transition-fast);
}
.custom-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.checkbox-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}
.checkbox-card:hover {
    background-color: var(--bg-surface-hover);
    border-color: var(--text-muted);
}
.checkbox-card.checked {
    border-color: var(--accent-blue);
    background-color: rgba(56, 189, 248, 0.03);
}

/* Custom Checkbox Toggle */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}
.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}
.slider-toggle {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: var(--bg-surface-hover);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}
.slider-toggle::before {
    position: absolute;
    content: "";
    height: 16px;
    width: 16px;
    left: 3px;
    bottom: 3px;
    background-color: var(--text-secondary);
    border-radius: var(--radius-full);
    transition: var(--transition-normal);
}
input:checked + .slider-toggle {
    background-color: var(--accent-blue);
    border-color: var(--accent-blue);
}
input:checked + .slider-toggle::before {
    transform: translateX(20px);
    background-color: white;
}

/* Upload Wrapper */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-normal);
    background-color: var(--bg-base);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}
.upload-zone:hover {
    border-color: var(--accent-blue);
    background-color: var(--bg-surface-hover);
}
.upload-zone svg {
    font-size: 32px;
    color: var(--text-secondary);
}
.upload-zone span {
    font-size: 13px;
    font-weight: 600;
}
.upload-zone p {
    font-size: 11px;
    color: var(--text-muted);
}

.uploaded-logo-preview {
    margin-top: 12px;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.uploaded-logo-preview img {
    height: 40px;
    max-width: 120px;
    object-fit: contain;
    border-radius: var(--radius-sm);
    background-color: white;
    padding: 2px;
}

/* Preview Stage Container */
.preview-stage-container {
    flex: 1;
    background: var(--bg-studio);
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 20px;
}

.preview-stage-container::before {
    content: '';
    position: absolute;
    width: 600px;
    height: 150px;
    bottom: calc(12% + 150px);
    background: radial-gradient(ellipse at center, rgba(0, 0, 0, 0.45) 0%, rgba(0, 0, 0, 0) 70%);
    pointer-events: none;
    border-radius: var(--radius-full);
}

/* Spotlight lighting effect overlay */
.spotlight {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at 50% 30%, rgba(255, 255, 255, 0.08) 0%, rgba(0, 0, 0, 0) 65%);
    pointer-events: none;
}

/* Interactive Canvas Stage */
.canvas-wrapper {
    position: relative;
    width: 620px;
    height: 620px;
    margin-top: -150px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    cursor: grab;
    transition: transform var(--transition-normal);
}
.canvas-wrapper:active {
    cursor: grabbing;
}

#product-canvas {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 15px 30px rgba(0, 0, 0, 0.45));
}

/* Canvas loading state */
.canvas-loader {
    position: absolute;
    inset: 0;
    background: rgba(11, 15, 25, 0.70);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
    border-radius: var(--radius-lg);
    pointer-events: none;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
}

/* Light mode support */
[data-theme="light"] .canvas-loader {
    background: rgba(237, 240, 245, 0.70);
}

.canvas-loader.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.loader-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.canvas-loader.active .loader-content {
    transform: scale(1);
}

/* Spinner Box */
.spinner-box {
    width: 64px;
    height: 64px;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

/* Animated gradient ring */
.circle-border {
    width: 56px;
    height: 56px;
    padding: 3px;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 50%;
    background: linear-gradient(0deg, rgba(56, 189, 248, 0.1) 33%, var(--accent-blue) 100%);
    animation: canvas-spin .8s linear infinite;
}

.circle-core {
    width: 100%;
    height: 100%;
    background-color: var(--bg-surface);
    border-radius: 50%;
}

/* Text styles */
.loader-text {
    color: var(--text-primary);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-top: 8px;
    text-align: center;
}

.loader-subtext {
    color: var(--text-muted);
    font-size: 12px;
    font-weight: 400;
    text-align: center;
}

@keyframes canvas-spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Floating HUD Navigation on Stage */
.stage-hud {
    position: absolute;
    bottom: calc(50% - 320px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    z-index: 5;
}

.angle-controller {
    background-color: rgba(19, 27, 46, 0.75);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    padding: 5px;
    border-radius: var(--radius-full);
    display: flex;
    gap: 4px;
    box-shadow: var(--shadow-md), var(--shadow-glass);
}

.angle-btn {
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}
.angle-btn:hover {
    color: var(--text-primary);
}
.angle-btn.active {
    background-color: var(--accent-blue);
    color: #0b0f19;
    box-shadow: 0 2px 10px rgba(56, 189, 248, 0.4);
}

.hud-help {
    font-size: 11px;
    color: var(--text-secondary);
    background-color: rgba(11, 15, 25, 0.6);
    padding: 4px 12px;
    border-radius: var(--radius-full);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Right Information & Order Panel */
.right-info-panel {
    width: var(--panel-width);
    background-color: rgba(var(--bg-surface), 0.85);
    backdrop-filter: blur(16px);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 8;
    flex-shrink: 0;
    box-shadow: var(--shadow-md);
    overflow-y: auto;
}

.right-info-panel .product-title-block {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
}

.right-info-panel .product-tag {
    font-size: 10px;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1.5px;
    color: var(--accent-blue);
    margin-bottom: 4px;
    display: block;
}

.right-info-panel h2 {
    font-family: 'Outfit', sans-serif;
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
}

.right-info-panel .price-tag {
    font-family: 'Outfit', sans-serif;
    font-size: 18px;
    color: var(--accent-teal);
    font-weight: 700;
}

.right-info-panel .panel-section {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Mode Switcher Banner */
.mode-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: var(--radius-md);
}

.mode-banner-text h4 {
    font-size: 12px;
    font-weight: 700;
}
.mode-banner-text p {
    font-size: 10px;
    color: var(--text-muted);
}

/* AI Recommendations Box */
.ai-box {
    background: linear-gradient(135deg, rgba(56, 189, 248, 0.08) 0%, rgba(168, 85, 247, 0.08) 100%);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: var(--radius-md);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ai-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    font-size: 14px;
    color: var(--accent-blue);
}

.ai-header svg {
    animation: pulse 2s infinite;
}

.ai-body {
    font-size: 12px;
    color: var(--text-secondary);
    min-height: 48px;
}

/* Natural Language Prompt UI */
.ai-prompt-area {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ai-textarea {
    width: 100%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    line-height: 1.6;
    padding: 10px 12px;
    resize: none;
    outline: none;
    transition: border-color 0.2s ease, background 0.2s ease;
    box-sizing: border-box;
}

.ai-textarea::placeholder {
    color: var(--text-muted);
    font-style: italic;
}

.ai-textarea:focus {
    border-color: var(--accent-blue);
    background: rgba(56, 189, 248, 0.05);
}

[data-theme="light"] .ai-textarea {
    background: rgba(0, 0, 0, 0.03);
}

/* Quick hint chips */
.ai-prompt-hints {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
}

.ai-hint-chip {
    padding: 3px 8px;
    background: rgba(56, 189, 248, 0.08);
    border: 1px solid rgba(56, 189, 248, 0.2);
    border-radius: 20px;
    font-size: 10px;
    font-weight: 500;
    color: var(--accent-blue);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    user-select: none;
}

.ai-hint-chip:hover {
    background: rgba(56, 189, 248, 0.18);
    border-color: rgba(56, 189, 248, 0.5);
    transform: translateY(-1px);
}

/* Loading spinner state on button */
#btn-ai-suggest.loading {
    opacity: 0.7;
    pointer-events: none;
}

#btn-ai-suggest.loading::after {
    content: '';
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    margin-left: 8px;
    vertical-align: middle;
}

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

/* Parsed info badge row */
.ai-parsed-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 4px;
}

.ai-parsed-badge {
    padding: 2px 7px;
    background: rgba(168, 85, 247, 0.12);
    border: 1px solid rgba(168, 85, 247, 0.25);
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    color: #a78bfa;
}


.ai-body .typing-effect::after {
    content: '|';
    animation: blink 0.8s infinite;
}

.ai-match-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.ai-match-tag {
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

/* AI 3-Tab System */
.ai-tabs {
    display: flex;
    gap: 4px;
    background: rgba(0,0,0,0.2);
    border-radius: var(--radius-sm);
    padding: 3px;
}

.ai-tab {
    flex: 1;
    padding: 6px 4px;
    font-size: 10px;
    font-weight: 600;
    font-family: 'Inter', sans-serif;
    border: none;
    border-radius: 4px;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s ease;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ai-tab:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.06);
}

.ai-tab.active {
    background: var(--bg-surface);
    color: var(--accent-blue);
    box-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

[data-theme="light"] .ai-tab.active {
    background: #ffffff;
    color: var(--accent-blue);
}

.ai-tab-content {
    animation: fadeInUp 0.2s ease;
}

/* Phong thủy result palette row */
.feng-result-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 6px 8px;
    background: rgba(255,255,255,0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: background 0.15s ease;
}

.feng-result-row:hover {
    background: rgba(255,255,255,0.07);
}

.feng-swatch {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    flex-shrink: 0;
    border: 1px solid rgba(255,255,255,0.15);
}

.feng-label {
    flex: 1;
    font-size: 11px;
    color: var(--text-secondary);
}

.feng-label strong {
    font-size: 12px;
    color: var(--text-primary);
    display: block;
}

.feng-apply-btn {
    font-size: 10px;
    padding: 3px 7px;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56,189,248,0.3);
    color: var(--accent-blue);
    border-radius: 4px;
    cursor: pointer;
    transition: all 0.15s;
}

.feng-apply-btn:hover {
    background: rgba(56,189,248,0.25);
}


/* Layer Management Debug Area */
.layer-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    max-height: 250px;
    overflow-y: auto;
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 8px;
}

.layer-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    font-size: 11px;
}
.layer-item .layer-name {
    font-weight: 600;
    font-family: monospace;
}
.layer-item .layer-color-preview {
    width: 14px;
    height: 14px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

/* Dialog / Modal Window Styles */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(11, 15, 25, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}
.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-container {
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glass);
    overflow: hidden;
    transform: translateY(20px);
    transition: transform var(--transition-normal);
}
.modal-overlay.active .modal-container {
    transform: translateY(0);
}

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

.modal-header h3 {
    font-family: 'Outfit', sans-serif;
    font-size: 20px;
    font-weight: 700;
}

.modal-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    flex: 1;
}

.input-field {
    background-color: var(--bg-base);
    border: 1px solid var(--border-color);
    padding: 12px 16px;
    border-radius: var(--radius-md);
    font-size: 14px;
    width: 100%;
    transition: all var(--transition-fast);
}
.input-field:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 10px rgba(56, 189, 248, 0.15);
}

textarea.input-field {
    resize: none;
    min-height: 90px;
}

.modal-footer {
    padding: 20px 24px;
    border-top: 1px solid var(--border-color);
    background-color: rgba(var(--bg-base), 0.5);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* Drag-Drop Indicator Canvas Helper overlay */
.canvas-drag-overlay {
    position: absolute;
    inset: 0;
    z-index: 3;
    pointer-events: none;
    border: 2px dashed transparent;
    transition: border-color var(--transition-fast);
}
.canvas-wrapper:hover .canvas-drag-overlay {
    border-color: rgba(56, 189, 248, 0.2);
}

/* Animations */
@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

@keyframes blink {
    50% { opacity: 0; }
}

/* SEO Footer */
.seo-footer {
    background-color: rgba(var(--bg-surface), 0.95);
    border-top: 1px solid var(--border-color);
    padding: 40px 28px;
    color: var(--text-secondary);
    font-size: 13px;
    margin-top: auto;
    z-index: 1;
}

.seo-footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.seo-footer-brand h4 {
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.seo-footer-links h5 {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: 16px;
    font-size: 14px;
}

.seo-footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.seo-footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}
.seo-footer-links a:hover {
    color: var(--accent-blue);
}

.seo-footer-bottom {
    max-width: 1200px;
    margin: 30px auto 0;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 11px;
    color: var(--text-muted);
}

/* Mobile Responsive Adapters */
@media (max-width: 1024px) {
    body {
        overflow-y: auto;
        height: auto;
    }
    
    .app-container {
        flex-direction: column;
        height: auto;
        padding-bottom: 80px; /* Space for fixed bottom navigation bar */
    }
    
    header {
        padding: 0 16px;
    }
    
    /* Bottom Navigation Bar for Mobile & Tablet */
    .left-sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100% !important;
        height: 66px !important;
        flex-direction: row;
        justify-content: space-around;
        padding: 6px 0;
        z-index: 100;
        border-right: none;
        border-top: 1px solid var(--border-color);
        background-color: var(--bg-surface);
        backdrop-filter: blur(16px);
        box-shadow: 0 -4px 15px rgba(0, 0, 0, 0.3);
    }
    
    .toolbar-tab {
        width: 50px;
        height: 50px;
        gap: 2px;
        background: transparent !important;
        border: none !important;
    }
    .toolbar-tab span {
        font-size: 8px;
    }
    .toolbar-tab.active::after {
        left: 20%;
        top: auto;
        bottom: 0;
        width: 60%;
        height: 3px;
        border-radius: var(--radius-full) var(--radius-full) 0 0;
    }
    
    /* Bottom Sheet Tool Panel */
    .tool-panel {
        position: fixed;
        bottom: 66px;
        left: 0;
        right: 0;
        width: 100% !important;
        height: 380px !important;
        max-height: 50vh !important;
        z-index: 99;
        border-right: none;
        border-top: 1px solid var(--border-color);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        box-shadow: 0 -10px 30px rgba(0, 0, 0, 0.5);
        transform: translateY(0);
        transition: transform var(--transition-normal);
        background-color: rgba(19, 27, 46, 0.98);
    }
    .tool-panel.collapsed {
        transform: translateY(100%);
        display: none !important;
    }
    
    .preview-stage-container {
        width: 100%;
        height: auto !important;
        min-height: 500px;
        order: 1;
        padding: 20px 10px 15px 10px !important;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        position: relative;
    }
    
    /* Canvas Responsive sizing to prevent horizontal overflow & taller by 5% */
    .canvas-wrapper {
        width: min(85vw, 420px) !important;
        height: calc(min(85vw, 420px) * 1.05) !important; /* 5% taller height */
        margin-top: 0 !important;
    }

    /* Reposition the angle controller HUD below the canvas */
    .stage-hud {
        position: relative !important;
        bottom: auto !important;
        left: auto !important;
        transform: none !important;
        margin-top: 12px !important;
        margin-bottom: 8px !important;
        z-index: 5;
    }
    
    .right-info-panel {
        width: 100%;
        order: 4;
        border-left: none;
        border-top: 1px solid var(--border-color);
        height: auto;
        padding-bottom: 20px;
    }
    
    .seo-footer {
        order: 5;
    }
    
    .seo-footer-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* Target small mobile screens spec */
@media (max-width: 480px) {
    header {
        height: 60px !important;
    }
    
    /* Avoid text overlapping by hiding description and resizing h1 */
    header .logo-text p {
        display: none !important;
    }
    header .logo-text h1 {
        font-size: 14px !important;
    }
    header .logo-container img {
        height: 32px !important;
    }
    
    /* Turn buttons into icon-only round buttons to save space */
    .header-actions {
        gap: 6px !important;
    }
    .header-actions .btn {
        font-size: 0 !important; /* Hides text */
        padding: 8px !important;
        width: 36px;
        height: 36px;
        border-radius: var(--radius-md);
        gap: 0 !important;
    }
    .header-actions .btn svg {
        margin: 0 !important;
        width: 18px;
        height: 18px;
    }
    .theme-toggle {
        width: 36px;
        height: 36px;
    }
    
    /* HUD controls positioned relatively below canvas */
    .stage-hud {
        position: relative !important;
        bottom: auto !important;
        margin-top: 10px !important;
        margin-bottom: 5px !important;
    }
    .angle-btn {
        padding: 6px 12px !important;
        font-size: 9px !important;
    }
    
    /* Tighten grids */
    .color-grid {
        grid-template-columns: repeat(5, 1fr) !important;
        gap: 6px !important;
    }
    
    .card-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }
}

.hidden {
    display: none !important;
}

/* Zalo Size Quantity Grid Styling */
.zalo-size-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 8px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 12px;
}

.zalo-size-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 8px;
}

.zalo-size-label {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.zalo-size-input {
    width: 100%;
    text-align: center;
    font-size: 14px;
    font-weight: 600;
    padding: 4px;
    border-bottom: 2px solid transparent;
    transition: border-color var(--transition-fast);
}

.zalo-size-input:focus {
    border-bottom-color: var(--accent-blue);
}

/* Print/PDF Layout custom styling wrapper (Hidden in screen browser) */
.pdf-print-wrapper {
    display: none;
}

.pdf-page {
    position: relative;
    width: 210mm;
    height: 297mm;
    padding: 5mm 10mm 10mm 10mm;
    box-sizing: border-box;
    background-color: #ffffff;
    color: #0f172a;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    page-break-after: always;
    font-family: 'Inter', 'Roboto', 'Be Vietnam Pro', sans-serif;
}

.pdf-page:last-child {
    page-break-after: avoid !important;
}

/* AI Gender buttons styling */
#ai-gender-selector button {
    transition: all var(--transition-fast) ease;
}
#ai-gender-selector button.active-gender-btn {
    border-color: var(--accent-blue) !important;
    background-color: rgba(56, 189, 248, 0.15) !important;
    color: var(--text-primary) !important;
    box-shadow: 0 0 12px rgba(56, 189, 248, 0.2);
}

/* Responsive Zalo Size Grid on smaller displays */
@media (max-width: 480px) {
    .zalo-size-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
        padding: 8px;
    }
}

/* ── Toast Notification System ─────────────────────────────────────────────── */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: flex;
    flex-direction: column-reverse;
    gap: 10px;
    pointer-events: none;
    max-width: 380px;
}

.toast-notification {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 16px;
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.5;
    opacity: 0;
    transform: translateX(20px) scale(0.96);
    transition: opacity 0.35s ease, transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: auto;
    cursor: pointer;
    max-width: 100%;
    word-break: break-word;
    border-left: 3px solid var(--accent-blue);
}

.toast-notification.show {
    opacity: 1;
    transform: translateX(0) scale(1);
}

.toast-notification.toast-success {
    border-left-color: var(--accent-success);
    background: color-mix(in srgb, var(--bg-surface) 95%, #10b981 5%);
}

.toast-notification.toast-warning {
    border-left-color: var(--accent-amber);
    background: color-mix(in srgb, var(--bg-surface) 95%, #fbbf24 5%);
}

.toast-notification.toast-error {
    border-left-color: var(--accent-rose);
    background: color-mix(in srgb, var(--bg-surface) 95%, #f43f5e 5%);
}

.toast-icon {
    font-size: 16px;
    flex-shrink: 0;
    line-height: 1.5;
}

.toast-msg {
    flex: 1;
}

[data-theme="light"] .toast-notification {
    box-shadow: 0 4px 20px rgba(15, 23, 42, 0.1);
}