/* Modern Dark-mode Glassmorphism Styling System */

:root {
    --bg-primary: #08080c;
    --bg-sidebar: rgba(11, 11, 19, 0.7);
    --bg-card: rgba(18, 18, 28, 0.55);
    --border-color: rgba(255, 255, 255, 0.08);
    --text-primary: #f9fafb;
    --text-secondary: #a1a1aa;
    --accent-color: hsl(280, 95%, 75%);
    --accent-hover: hsl(280, 100%, 80%);
    --success-color: hsl(150, 85%, 60%);
    --danger-color: hsl(350, 90%, 65%);
    --warning-color: hsl(45, 95%, 60%);
    --font-main: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
    --glass-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
    --glow-color: rgba(168, 85, 247, 0.25);
    --card-radius: 20px;
    
    --bg-hover: rgba(255, 255, 255, 0.05);
    --bg-active: rgba(255, 255, 255, 0.1);
    --bg-input: rgba(255, 255, 255, 0.03);
    --bg-modal: #0f0f16;
    --table-hover: rgba(255, 255, 255, 0.02);
    --scroll-thumb: rgba(255, 255, 255, 0.12);
    --card-info-bg: rgba(255, 255, 255, 0.03);
}

body.light-mode {
    --bg-primary: #f1f5f9;
    --bg-sidebar: rgba(248, 250, 252, 0.85);
    --bg-card: rgba(255, 255, 255, 0.75);
    --border-color: rgba(15, 23, 42, 0.08);
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --accent-color: hsl(280, 85%, 55%);
    --accent-hover: hsl(280, 95%, 60%);
    --success-color: hsl(150, 75%, 35%);
    --danger-color: hsl(350, 80%, 45%);
    --warning-color: hsl(45, 85%, 40%);
    --glass-shadow: 0 12px 40px 0 rgba(15, 23, 42, 0.08);
    --glow-color: rgba(168, 85, 247, 0.1);
    
    --bg-hover: rgba(15, 23, 42, 0.04);
    --bg-active: rgba(15, 23, 42, 0.08);
    --bg-input: rgba(15, 23, 42, 0.02);
    --bg-modal: #ffffff;
    --table-hover: rgba(15, 23, 42, 0.015);
    --scroll-thumb: rgba(15, 23, 42, 0.15);
    --card-info-bg: rgba(15, 23, 42, 0.01);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-main);
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    position: relative;
}

/* Glassmorphic Background Blur Circles */
.blur-bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: -1;
    opacity: 0.25;
}

.shape-1 {
    top: -10%;
    right: 10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-color) 0%, transparent 70%);
}

.shape-2 {
    bottom: -10%;
    left: 10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #3b82f6 0%, transparent 70%);
}

/* Layout Grid Container */
.app-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    height: 100vh;
    width: 100vw;
}

/* Sidebar Styling */
.sidebar {
    background: var(--bg-sidebar);
    backdrop-filter: blur(16px);
    border-right: 1px solid var(--border-color);
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.brand-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.brand-logo {
    width: 32px;
    height: 32px;
    color: var(--accent-color);
}

.brand-text h1 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 600;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-text span {
    font-size: 0.75rem;
    color: var(--text-secondary);
    letter-spacing: 1px;
    text-transform: uppercase;
}

.role-selector-container {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.role-selector-container label {
    font-size: 0.7rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.select-wrapper select {
    width: 100%;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    outline: none;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 12px 16px;
    border-radius: 12px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    text-align: left;
    transition: all 0.2s ease;
}

.nav-item svg {
    width: 18px;
    height: 18px;
}

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

.nav-item.active {
    color: var(--text-primary);
    background: var(--bg-active);
    border-left: 3px solid var(--accent-color);
    border-radius: 4px 12px 12px 4px;
}

/* Main Content Styling */
.main-content {
    display: flex;
    flex-direction: column;
    padding: 24px;
    overflow: hidden;
}

.top-bar {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: var(--bg-card);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 12px 24px;
    margin-bottom: 24px;
    height: auto;
    min-height: 64px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: visible;
    box-shadow: var(--glass-shadow);
}

.header-collapsible {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    opacity: 1;
    max-height: 120px;
}

.header-toggle-btn {
    position: absolute;
    bottom: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-top: none;
    border-radius: 0 0 12px 12px;
    color: var(--text-secondary);
    padding: 2px 20px;
    cursor: pointer;
    font-size: 0.75rem;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    z-index: 100;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-toggle-btn:hover {
    color: var(--accent-color);
    background: var(--bg-hover);
}

/* Collapsed state */
.top-bar.collapsed {
    min-height: 0;
    height: 0;
    padding: 0 24px;
    margin-bottom: 16px;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-color: transparent;
    box-shadow: none;
    pointer-events: none;
}

.top-bar.collapsed .header-collapsible {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
}

.top-bar.collapsed .header-toggle-btn {
    transform: translateX(-50%) rotate(180deg);
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    border-radius: 12px;
    bottom: -24px;
    pointer-events: auto;
}

.search-bar-container {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: 24px;
    width: 380px;
}

.search-icon {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
}

.search-bar-container input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    width: 100%;
    font-size: 0.9rem;
}

.user-profile-badge {
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge.owner {
    background-color: rgba(168, 85, 247, 0.15);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.25);
}

.badge.procurement {
    background-color: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.badge.sales {
    background-color: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(16, 185, 129, 0.25);
}

.badge.reseller {
    background-color: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.badge.elegant {
    background-color: rgba(168, 85, 247, 0.15);
    color: #c084fc;
    border: 1px solid rgba(168, 85, 247, 0.25);
}

.badge.cute {
    background-color: rgba(236, 72, 153, 0.15);
    color: #f472b6;
    border: 1px solid rgba(236, 72, 153, 0.25);
}

.badge.ins-style {
    background-color: rgba(59, 130, 246, 0.15);
    color: #60a5fa;
    border: 1px solid rgba(59, 130, 246, 0.25);
}

.badge.plain {
    background-color: rgba(156, 163, 175, 0.15);
    color: #9ca3af;
    border: 1px solid rgba(156, 163, 175, 0.25);
}

.badge.cat-eye {
    background-color: rgba(20, 184, 166, 0.15);
    color: #2dd4bf;
    border: 1px solid rgba(20, 184, 166, 0.25);
}

.badge.floral {
    background-color: rgba(244, 63, 94, 0.15);
    color: #fb7185;
    border: 1px solid rgba(244, 63, 94, 0.25);
}

.badge.texture-3d {
    background-color: rgba(245, 158, 11, 0.15);
    color: #fbbf24;
    border: 1px solid rgba(245, 158, 11, 0.25);
}

.user-initials {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-color) 0%, #3b82f6 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
}

/* Dashboard Scroll Area */
.dashboard-scroll-area {
    flex: 1;
    overflow-y: auto;
    padding-right: 4px;
}

/* Custom Scrollbar */
.dashboard-scroll-area::-webkit-scrollbar,
.table-container::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

.dashboard-scroll-area::-webkit-scrollbar-track,
.table-container::-webkit-scrollbar-track {
    background: transparent;
}

.dashboard-scroll-area::-webkit-scrollbar-thumb,
.table-container::-webkit-scrollbar-thumb {
    background: var(--scroll-thumb);
    border-radius: 3px;
}

.dashboard-module {
    display: none;
    animation: fadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dashboard-module.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

.module-header {
    margin-bottom: 20px;
}

.module-header h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 500;
}

.subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* Card layout */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    padding: 24px;
    box-shadow: var(--glass-shadow);
}

.grid-2-col {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 20px;
    align-items: start;
}

/* Catalog page actions and filters */
.table-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.filters-group {
    display: flex;
    gap: 8px;
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 4px;
}

.filters-group::-webkit-scrollbar {
    height: 4px;
}
.filters-group::-webkit-scrollbar-track {
    background: transparent;
}
.filters-group::-webkit-scrollbar-thumb {
    background: var(--scroll-thumb);
    border-radius: 2px;
}

/* Multi-Photo Thumbnails styling */
.multi-photo-container {
    display: flex;
    gap: 4px;
    margin-top: 6px;
    overflow-x: auto;
    padding-bottom: 4px;
}

.multi-photo-container::-webkit-scrollbar {
    height: 3px;
}
.multi-photo-container::-webkit-scrollbar-thumb {
    background: var(--scroll-thumb);
    border-radius: 2px;
}

.small-thumb {
    width: 32px;
    height: 32px;
    border-radius: 4px;
    object-fit: cover;
    cursor: pointer;
    border: 1px solid transparent;
    transition: all 0.2s ease;
}

.small-thumb:hover, .small-thumb.active {
    border-color: var(--accent-color);
}

.filter-btn {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    padding: 8px 14px;
    border-radius: 18px;
    font-size: 0.8rem;
    cursor: pointer;
    font-family: var(--font-heading);
    transition: all 0.2s ease;
}

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

.filter-btn.active {
    background: var(--accent-color);
    border-color: var(--accent-color);
    color: #000;
    font-weight: 600;
}

.filter-btn.alert-filter-btn {
    border-color: rgba(245, 158, 11, 0.2);
    background: rgba(245, 158, 11, 0.05);
    color: var(--warning-color);
}

.filter-btn.alert-filter-btn.active {
    background: var(--warning-color);
    border-color: var(--warning-color);
    color: #000;
}

/* Tables design */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.88rem;
}

th {
    padding: 14px 16px;
    color: var(--text-secondary);
    font-family: var(--font-heading);
    font-weight: 500;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

td {
    padding: 16px;
    border-bottom: 1px solid var(--border-color-soft, rgba(255, 255, 255, 0.02));
}

tr:hover td {
    background: var(--table-hover);
}

.nail-model-cell {
    display: flex;
    align-items: center;
    gap: 16px;
}

.nail-thumbnail {
    width: 64px;
    height: 64px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid rgba(255,255,255,0.05);
    background: #1e1e24;
}

.nail-name-info {
    display: flex;
    flex-direction: column;
}

.nail-name-info span.zh {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.action-btn {
    background: rgba(168, 85, 247, 0.1);
    color: var(--accent-color);
    border: 1px solid rgba(168, 85, 247, 0.2);
    padding: 6px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    transition: all 0.2s ease;
}

.action-btn:hover {
    background: var(--accent-color);
    color: #000;
    font-weight: 600;
}

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

/* Forms design */
.custom-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-top: 14px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.custom-form input,
.custom-form select,
.custom-form textarea {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 8px;
    color: var(--text-primary);
    font-family: var(--font-main);
    outline: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.custom-form input:focus,
.custom-form select:focus,
.custom-form textarea:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px rgba(168, 85, 247, 0.15);
}

.form-row-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
}

.submit-btn {
    background: var(--accent-color);
    color: #000;
    border: none;
    padding: 14px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    margin-top: 10px;
    transition: all 0.2s ease;
}

.submit-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.01);
}

.submit-btn.sales-btn {
    background: var(--success-color);
}

.submit-btn.sales-btn:hover {
    background: #10b981;
}

/* Reference card info */
.reference-info-box {
    margin-top: 14px;
    background: var(--card-info-bg);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.5;
    color: var(--text-secondary);
}

/* Metrics Dashboard */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.metric-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    padding: 20px;
    box-shadow: var(--glass-shadow);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.metric-title {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-card h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
}

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

.metric-trend.up {
    color: var(--success-color);
}

.metric-settings-inline {
    display: flex;
    gap: 8px;
    align-items: center;
}

.metric-settings-inline input {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 4px 8px;
    border-radius: 6px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    width: 90px;
}

.tiny-save-btn {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
}

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

/* AI Camera Matcher section */
.ai-scanner-section {
    background: rgba(168, 85, 247, 0.06);
    border: 1px dashed rgba(168, 85, 247, 0.3);
    padding: 16px;
    border-radius: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.ai-scanner-info h4 {
    font-family: var(--font-heading);
    color: #d8b4fe;
    font-size: 0.95rem;
    font-weight: 600;
}

.ai-scanner-info p {
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.ai-action-btn {
    background: var(--accent-color);
    border: none;
    color: #000;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.8rem;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ai-action-btn:hover {
    background: var(--accent-hover);
    transform: scale(1.02);
}

.ai-matching-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 400px;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-panel-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.4rem;
    cursor: pointer;
}

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

.upload-dropzone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    transition: all 0.2s ease;
}

.upload-dropzone:hover, .upload-dropzone.dragover {
    border-color: var(--accent-color);
    background: rgba(168, 85, 247, 0.02);
}

.upload-icon {
    width: 48px;
    height: 48px;
    color: var(--text-secondary);
}

.hidden-file-input {
    display: none;
}

.spinner-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 14px;
    padding: 40px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(255,255,255,0.05);
    border-top: 4px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.matches-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.match-item {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 12px;
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.match-item:hover {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--accent-color);
}

.match-info h5 {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
}

.match-similarity {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

.match-similarity span {
    color: var(--success-color);
    font-weight: 600;
}

.match-select-indicator {
    background: rgba(168, 85, 247, 0.1);
    color: var(--accent-color);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
}

.match-item:hover .match-select-indicator {
    background: var(--accent-color);
    color: #000;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
}

.modal-content {
    background-color: var(--bg-modal);
    border: 1px solid var(--border-color);
    margin: 10% auto;
    padding: 24px;
    width: 480px;
    border-radius: var(--card-radius);
    box-shadow: var(--glass-shadow);
    position: relative;
    animation: modalSlide 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes modalSlide {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 16px;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
}

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

.stock-input-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 14px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 24px;
}

.cancel-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 500;
}

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

/* Sales Stock Preview Badge Grid */
.stock-preview-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
    margin-bottom: 8px;
    background: var(--card-info-bg);
    border: 1px solid var(--border-color);
    padding: 10px;
    border-radius: 8px;
}

.stock-preview-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--card-info-bg);
    padding: 6px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.stock-preview-badge.low {
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.02);
}

.stock-preview-badge.empty {
    border-color: rgba(239, 68, 68, 0.3);
    background: rgba(239, 68, 68, 0.02);
}

.stock-preview-badge span.label {
    font-size: 0.65rem;
    color: var(--text-secondary);
}

.stock-preview-badge span.val {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    margin-top: 2px;
}

.stock-preview-badge.low span.val {
    color: var(--warning-color);
}

.stock-preview-badge.empty span.val {
    color: var(--danger-color);
}

/* Utility visibility classes */
.hidden {
    display: none !important;
}

/* Role Visibility classes updated by app.js */
body.owner-role .role-procurement-only,
body.owner-role .role-sales-only,
body.owner-role .role-owner-only {
    display: flex !important;
}

body.procurement-role .role-sales-only,
body.procurement-role .role-owner-only {
    display: none !important;
}
body.procurement-role .role-procurement-only {
    display: flex !important;
}

body.sales-role .role-procurement-only,
body.sales-role .role-owner-only {
    display: none !important;
}
body.sales-role .role-sales-only {
    display: flex !important;
}

/* Hide cost metrics (RMB Price/Cost) for sales and procurement roles */
body.sales-role .owner-only,
body.procurement-role .owner-only {
    display: none !important;
}

/* Theme Toggle Button & Layout Adjustments */
.theme-toggle-btn {
    background: var(--bg-hover);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: all 0.2s ease;
    margin-right: 8px;
}

.theme-toggle-btn:hover {
    background: var(--bg-active);
    transform: scale(1.05);
}

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

/* Light / Dark display state */
body.light-mode .theme-toggle-btn .sun-icon {
    display: none;
}
body.light-mode .theme-toggle-btn .moon-icon {
    display: block;
}
body:not(.light-mode) .theme-toggle-btn .sun-icon {
    display: block;
}
body:not(.light-mode) .theme-toggle-btn .moon-icon {
    display: none;
}

/* ==========================================
   Grid View & Thumbnail Card Layout
   ========================================== */

/* View Toggle Button Styling */
.view-toggle-group {
    display: flex;
    gap: 6px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 4px;
    border-radius: 20px;
}

body.light-mode .view-toggle-group {
    background: rgba(0, 0, 0, 0.03);
}

.view-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 14px;
    border-radius: 16px;
    font-size: 0.8rem;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 500;
    transition: all 0.2s ease;
}

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

.view-btn.active {
    background: var(--accent-color);
    color: #000;
    font-weight: 600;
}

/* Grid View Layout */
.grid-view-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    padding: 8px 0;
}

/* Product Card Styling */
.product-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.product-card:hover {
    transform: translateY(-6px);
    border-color: var(--accent-color);
    box-shadow: 0 16px 36px 0 var(--glow-color), 0 0 0 1px var(--accent-color);
}

body.light-mode .product-card {
    background: var(--bg-card);
}

body.light-mode .product-card:hover {
    box-shadow: 0 16px 36px 0 var(--glow-color), 0 0 0 1px var(--accent-color);
}

.card-image-wrapper {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    position: relative;
    background: #1e1e24;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.card-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .card-image {
    transform: scale(1.06);
}

.card-category-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: rgba(10, 10, 15, 0.75);
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    font-size: 0.7rem;
    padding: 4px 8px;
    border-radius: 8px;
    font-weight: 500;
}

body.light-mode .card-category-badge {
    background: rgba(255, 255, 255, 0.85);
    border: 1px solid rgba(0, 0, 0, 0.08);
}

.card-category-badge.elegant { border-color: rgba(168, 85, 247, 0.5); color: #c084fc; }
.card-category-badge.cute { border-color: rgba(236, 72, 153, 0.5); color: #f472b6; }
.card-category-badge.ins-style { border-color: rgba(59, 130, 246, 0.5); color: #60a5fa; }
.card-category-badge.plain { border-color: rgba(156, 163, 175, 0.5); color: #9ca3af; }
.card-category-badge.cat-eye { border-color: rgba(20, 184, 166, 0.5); color: #2dd4bf; }
.card-category-badge.floral { border-color: rgba(244, 63, 94, 0.5); color: #fb7185; }
.card-category-badge.texture-3d { border-color: rgba(245, 158, 11, 0.5); color: #fbbf24; }

.card-info {
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex: 1;
}

.card-title-group {
    display: flex;
    flex-direction: column;
}

.card-title {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    line-height: 1.3;
}

.card-subtitle {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.card-prices {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    margin-top: 2px;
}

.card-price-sale {
    font-weight: 600;
    color: var(--text-primary);
}

.card-price-cost {
    color: var(--text-secondary);
}

.card-stock-section {
    display: flex;
    flex-direction: column;
    gap: 6px;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
    margin-top: 2px;
}

.card-stock-title {
    font-size: 0.72rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
    display: flex;
    justify-content: space-between;
}

.card-stock-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 6px;
}

.card-stock-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: var(--card-info-bg);
    padding: 6px 2px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-size: 0.75rem;
}

.card-stock-badge span.label {
    font-size: 0.6rem;
    color: var(--text-secondary);
}

.card-stock-badge span.val {
    font-weight: 600;
    margin-top: 1px;
}

.card-stock-badge.empty {
    border-color: rgba(239, 68, 68, 0.2);
    opacity: 0.5;
}

.card-stock-badge.low {
    border-color: rgba(245, 158, 11, 0.3);
}

.card-stock-badge.low span.val {
    color: var(--warning-color);
}

.card-action {
    margin-top: 4px;
}

.card-action .action-btn {
    width: 100%;
    padding: 8px;
    font-size: 0.85rem;
}


/* Mobile & Tablet Responsive Adjustments */
.sidebar-toggle-btn {
    display: none;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: 8px;
    margin-right: 12px;
}

.sidebar-toggle-btn svg {
    width: 24px;
    height: 24px;
}

.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 999;
    backdrop-filter: blur(2px);
    transition: opacity 0.3s ease;
    opacity: 0;
    pointer-events: none;
}

.sidebar-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* Data Management Styles */
.data-actions-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 16px;
    margin-top: 16px;
}

.data-action-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.data-action-box h4 {
    margin: 0;
    color: var(--text-color);
    font-size: 1.1rem;
}

.data-action-box p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    flex: 1;
}

.outline-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}
.outline-btn:hover {
    background: rgba(255, 255, 255, 0.05);
}

@media (max-width: 1024px) {
    .app-container {
        grid-template-columns: 1fr;
    }
    
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        bottom: 0;
        width: 280px;
        z-index: 1000;
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .sidebar-toggle-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sidebar-overlay {
        display: block;
    }
}

/* Mobile & Tablet Overrides (Phones <= 600px, Tablets <= 900px) */
@media (max-width: 900px) {
    .main-content {
        padding: 12px;
    }

    .top-bar {
        padding: 8px 16px;
        min-height: 54px;
        margin-bottom: 16px;
    }

    .search-bar-container {
        width: 100%;
        max-width: 100%;
        order: 2;
    }

    .header-collapsible {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
        max-height: 250px; /* Accommodate vertical stack */
    }

    .user-profile-badge {
        justify-content: space-between;
        order: 1;
        width: 100%;
    }

    .grid-2-col {
        grid-template-columns: 1fr;
        gap: 16px;
    }

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

    .modal-content, .cart-modal-content {
        width: 95%;
        margin: 5% auto;
        padding: 20px;
    }
}

@media (max-width: 600px) {
    .metrics-grid {
        grid-template-columns: 1fr;
    }

    .filters-group {
        flex-wrap: nowrap;
        gap: 6px;
        overflow-x: auto;
        justify-content: flex-start;
        padding-bottom: 8px;
    }

    .filter-btn {
        flex: 0 0 auto;
        padding: 6px 12px;
    }

    .form-row-2, .form-row-3 {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    /* Table visual optimizations for small screens */
    table {
        font-size: 0.8rem;
    }

    td, th {
        padding: 10px 8px;
    }

    .nail-thumbnail {
        width: 48px;
        height: 48px;
    }

    .small-thumb {
        width: 24px;
        height: 24px;
    }

    /* Modal adjustments */
    .modal-content, .cart-modal-content {
        width: 98%;
        margin: 2% auto;
        padding: 16px;
    }

    .stock-input-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    /* Larger touch targets */
    .action-btn, .nav-item, .submit-btn, select, input {
        min-height: 44px;
        display: flex;
        align-items: center;
    }
    
    .nav-item {
        justify-content: flex-start;
    }
    
    .submit-btn {
        justify-content: center;
    }
}

/* Premium Language and Sorting Styles */
.lang-selector-group {
    display: inline-flex;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 2px;
    gap: 2px;
    align-items: center;
}

.lang-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 0.75rem;
    font-weight: 600;
    cursor: pointer;
    font-family: var(--font-heading);
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    min-height: auto !important; /* Override mobile min-height */
}

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

.lang-btn.active {
    background: var(--accent-color);
    color: #000;
}

/* Premium Sort Select Styles */
.sort-select-premium {
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 32px 8px 16px;
    border-radius: 18px;
    font-size: 0.8rem;
    cursor: pointer;
    font-family: var(--font-heading);
    font-weight: 500;
    outline: none;
    transition: all 0.2s ease;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='rgba%28255, 255, 255, 0.6%29' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 12px;
}

body.light-mode .sort-select-premium {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='rgba%2815, 23, 42, 0.6%29' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19.5 8.25l-7.5 7.5-7.5-7.5'%3E%3C/path%3E%3C/svg%3E");
}

.sort-select-premium:hover {
    color: var(--text-primary);
    background-color: var(--bg-active);
    border-color: var(--accent-color);
}

.sort-select-premium:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 2px var(--glow-color);
}

.sort-select-premium option {
    background-color: var(--bg-modal);
    color: var(--text-primary);
    padding: 10px;
}

/* Catalog Toolbar Flex Alignment */
.controls-group {
    display: flex;
    gap: 12px;
    align-items: center;
}

@media (max-width: 1024px) {
    .table-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }
    
    .controls-group {
        justify-content: space-between;
        width: 100%;
    }
    
    .sort-select-premium {
        flex: 1;
    }
}