/**
 * VirtualMalls - Shared Theme & Component Styles
 * Builds on top of the template's base.css
 * ALL values in rem (zero px). Fonts: Playfair Display, Inter.
 */

/* ─── Theme Variables ─── */
:root {
    --vm-primary: #6366f1;
    --vm-primary-hover: #4f46e5;
    --vm-secondary: #7c3aed;
    --vm-accent: #f59e0b;
    --vm-success: #10b981;
    --vm-error: #ef4444;
    --vm-warning: #f59e0b;
    --vm-bg: #f8fafc;
    --vm-card-bg: #ffffff;
    --vm-text: #1e293b;
    --vm-text-muted: #64748b;
    --vm-border: #e2e8f0;
    --vm-radius: 0.75rem;
    --vm-shadow: 0 0.0625rem 0.1875rem rgba(0,0,0,0.1);
    --vm-shadow-md: 0 0.25rem 0.375rem -0.0625rem rgba(0,0,0,0.1);
    --vm-shadow-lg: 0 0.625rem 0.9375rem -0.1875rem rgba(0,0,0,0.1);
    --vm-font-heading: 'Playfair Display', Georgia, serif;
    --vm-font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

[data-theme="dark"] {
    --vm-bg: #0f172a;
    --vm-card-bg: #1e293b;
    --vm-text: #f1f5f9;
    --vm-text-muted: #94a3b8;
    --vm-border: #334155;
}

/* ─── Base Page ─── */
.vm-page {
    font-family: var(--vm-font-body);
    color: var(--vm-text);
    background: var(--vm-bg);
    min-height: 100vh;
    padding: 1.5rem;
}

.vm-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.vm-page-title {
    font-family: var(--vm-font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--vm-text);
    margin: 0;
}

/* ─── Grid Layouts ─── */
.vm-grid {
    display: grid;
    gap: 1.5rem;
}

.vm-grid-2 { grid-template-columns: repeat(2, 1fr); }
.vm-grid-3 { grid-template-columns: repeat(3, 1fr); }
.vm-grid-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 64rem) {
    .vm-grid-4 { grid-template-columns: repeat(2, 1fr); }
    .vm-grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 48rem) {
    .vm-grid-2,
    .vm-grid-3,
    .vm-grid-4 { grid-template-columns: 1fr; }
    .vm-page { padding: 1rem; }
}

/* ─── Card Base ─── */
.vm-card {
    background: var(--vm-card-bg);
    border: 0.0625rem solid var(--vm-border);
    border-radius: var(--vm-radius);
    box-shadow: var(--vm-shadow);
    padding: 1.5rem;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.vm-card:hover {
    box-shadow: var(--vm-shadow-md);
}

.vm-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 0.0625rem solid var(--vm-border);
}

.vm-card-title {
    font-family: var(--vm-font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--vm-text);
    margin: 0;
}

/* ─── Stat / KPI Card ─── */
.vm-stat-card {
    background: var(--vm-card-bg);
    border: 0.0625rem solid var(--vm-border);
    border-radius: var(--vm-radius);
    box-shadow: var(--vm-shadow);
    padding: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.vm-stat-card:hover {
    transform: translateY(-0.125rem);
    box-shadow: var(--vm-shadow-md);
}

.vm-stat-icon {
    width: 3rem;
    height: 3rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: #fff;
    flex-shrink: 0;
}

.vm-stat-icon.primary { background: var(--vm-primary); }
.vm-stat-icon.secondary { background: var(--vm-secondary); }
.vm-stat-icon.accent { background: var(--vm-accent); }
.vm-stat-icon.success { background: var(--vm-success); }
.vm-stat-icon.error { background: var(--vm-error); }

.vm-stat-value {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--vm-text);
    line-height: 1.2;
}

.vm-stat-label {
    font-size: 0.8125rem;
    color: var(--vm-text-muted);
    margin-top: 0.125rem;
}

.vm-stat-trend {
    font-size: 0.75rem;
    font-weight: 600;
    margin-top: 0.25rem;
}

.vm-stat-trend.up { color: var(--vm-success); }
.vm-stat-trend.down { color: var(--vm-error); }

/* ─── Product Card ─── */
.vm-product-card {
    background: var(--vm-card-bg);
    border: 0.0625rem solid var(--vm-border);
    border-radius: var(--vm-radius);
    overflow: hidden;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    cursor: pointer;
}

.vm-product-card:hover {
    transform: translateY(-0.125rem);
    box-shadow: var(--vm-shadow-lg);
}

.vm-product-card-img {
    width: 100%;
    height: 12.5rem;
    object-fit: cover;
    background: var(--vm-border);
    display: block;
}

.vm-product-card-body {
    padding: 1rem;
}

.vm-product-card-title {
    font-family: var(--vm-font-heading);
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--vm-text);
    margin: 0 0 0.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.vm-product-card-store {
    font-size: 0.8125rem;
    color: var(--vm-text-muted);
    margin-bottom: 0.5rem;
}

.vm-product-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    border-top: 0.0625rem solid var(--vm-border);
}

/* ─── Store Card ─── */
.vm-store-card {
    background: var(--vm-card-bg);
    border: 0.0625rem solid var(--vm-border);
    border-radius: var(--vm-radius);
    padding: 1.25rem;
    display: flex;
    gap: 1rem;
    align-items: center;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
    cursor: pointer;
}

.vm-store-card:hover {
    box-shadow: var(--vm-shadow-md);
    transform: translateY(-0.0625rem);
}

.vm-store-card-logo {
    width: 4rem;
    height: 4rem;
    border-radius: 0.5rem;
    object-fit: cover;
    background: var(--vm-border);
    flex-shrink: 0;
}

.vm-store-card-name {
    font-family: var(--vm-font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--vm-text);
    margin: 0 0 0.25rem;
}

.vm-store-card-category {
    font-size: 0.8125rem;
    color: var(--vm-text-muted);
}

/* ─── Price Display ─── */
.vm-price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
}

.vm-price-current {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--vm-primary);
}

.vm-price-original {
    font-size: 0.875rem;
    color: var(--vm-text-muted);
    text-decoration: line-through;
}

.vm-price-discount {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--vm-success);
    background: rgba(16, 185, 129, 0.1);
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
}

/* ─── Rating Stars ─── */
.vm-rating {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.875rem;
}

.vm-rating .fa-star { color: var(--vm-accent); }
.vm-rating .fa-star-half-alt { color: var(--vm-accent); }
.vm-rating .far.fa-star { color: var(--vm-border); }

.vm-rating-count {
    color: var(--vm-text-muted);
    font-size: 0.8125rem;
    margin-left: 0.25rem;
}

/* ─── Status Badges ─── */
.vm-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    border-radius: 9999rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
    white-space: nowrap;
    transition: opacity 0.15s ease;
}

.vm-badge-pending { background: #fef3c7; color: #92400e; }
.vm-badge-active, .vm-badge-confirmed { background: #dbeafe; color: #1e40af; }
.vm-badge-preparing { background: #ede9fe; color: #5b21b6; }
.vm-badge-ready { background: #d1fae5; color: #065f46; }
.vm-badge-delivering, .vm-badge-in-transit { background: #e0e7ff; color: #3730a3; }
.vm-badge-delivered, .vm-badge-completed { background: #d1fae5; color: #065f46; }
.vm-badge-cancelled { background: #fee2e2; color: #991b1b; }
.vm-badge-failed { background: #fee2e2; color: #991b1b; }
.vm-badge-suspended { background: #fce7f3; color: #9d174d; }
.vm-badge-draft { background: #f1f5f9; color: #475569; }
.vm-badge-published { background: #d1fae5; color: #065f46; }
.vm-badge-online { background: #d1fae5; color: #065f46; }
.vm-badge-offline { background: #f1f5f9; color: #475569; }

/* ─── Cart Item ─── */
.vm-cart-item {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 0.0625rem solid var(--vm-border);
    align-items: center;
    transition: background 0.15s ease;
}

.vm-cart-item:hover {
    background: rgba(99, 102, 241, 0.02);
}

.vm-cart-item-img {
    width: 5rem;
    height: 5rem;
    border-radius: 0.5rem;
    object-fit: cover;
    background: var(--vm-border);
    flex-shrink: 0;
}

.vm-cart-item-info {
    flex: 1;
    min-width: 0;
}

.vm-cart-item-name {
    font-weight: 600;
    color: var(--vm-text);
    margin-bottom: 0.25rem;
}

.vm-cart-item-variant {
    font-size: 0.8125rem;
    color: var(--vm-text-muted);
}

.vm-cart-item-price {
    font-weight: 700;
    color: var(--vm-primary);
    white-space: nowrap;
}

/* ─── Quantity Stepper ─── */
.vm-qty-stepper {
    display: inline-flex;
    align-items: center;
    border: 0.0625rem solid var(--vm-border);
    border-radius: 0.375rem;
    overflow: hidden;
}

.vm-qty-stepper button {
    width: 2.75rem;
    height: 2.75rem;
    border: none;
    background: var(--vm-card-bg);
    color: var(--vm-text);
    cursor: pointer;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease;
}

.vm-qty-stepper button:hover { background: var(--vm-border); }

.vm-qty-stepper input {
    width: 2.5rem;
    height: 2.75rem;
    text-align: center;
    border: none;
    border-left: 0.0625rem solid var(--vm-border);
    border-right: 0.0625rem solid var(--vm-border);
    background: var(--vm-card-bg);
    color: var(--vm-text);
    font-size: 0.875rem;
}

/* ─── Order Timeline ─── */
.vm-order-timeline {
    position: relative;
    padding-left: 2rem;
}

.vm-timeline-step {
    position: relative;
    padding-bottom: 1.5rem;
    padding-left: 1rem;
}

.vm-timeline-step:last-child { padding-bottom: 0; }

.vm-timeline-step::before {
    content: '';
    position: absolute;
    left: -2rem;
    top: 0.25rem;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background: var(--vm-border);
    border: 0.125rem solid var(--vm-card-bg);
    z-index: 1;
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.vm-timeline-step::after {
    content: '';
    position: absolute;
    left: calc(-2rem + 0.4375rem);
    top: 1.25rem;
    width: 0.125rem;
    height: calc(100% - 0.75rem);
    background: var(--vm-border);
    transition: background 0.3s ease;
}

.vm-timeline-step:last-child::after { display: none; }

.vm-timeline-step.completed::before { background: var(--vm-success); }
.vm-timeline-step.current::before {
    background: var(--vm-primary);
    box-shadow: 0 0 0 0.25rem rgba(99,102,241,0.2);
}
.vm-timeline-step.completed::after { background: var(--vm-success); }

.vm-timeline-title {
    font-weight: 600;
    color: var(--vm-text);
    font-size: 0.875rem;
}

.vm-timeline-time {
    font-size: 0.75rem;
    color: var(--vm-text-muted);
    margin-top: 0.125rem;
}

/* ─── Data Table ─── */
.vm-data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.vm-data-table thead th {
    text-align: left;
    padding: 0.75rem 1rem;
    background: var(--vm-bg);
    color: var(--vm-text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 0.125rem solid var(--vm-border);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
    transition: color 0.15s ease;
}

.vm-data-table thead th:hover {
    color: var(--vm-primary);
}

.vm-data-table thead th .fa-sort,
.vm-data-table thead th .fa-sort-up,
.vm-data-table thead th .fa-sort-down {
    margin-left: 0.25rem;
    font-size: 0.625rem;
}

.vm-data-table tbody td {
    padding: 0.75rem 1rem;
    border-bottom: 0.0625rem solid var(--vm-border);
    color: var(--vm-text);
    vertical-align: middle;
}

.vm-data-table tbody tr {
    transition: background 0.15s ease;
}

.vm-data-table tbody tr:hover {
    background: rgba(99, 102, 241, 0.04);
}

/* ─── Filter Bar ─── */
.vm-filter-bar {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 1.5rem;
}

.vm-filter-bar input,
.vm-filter-bar select {
    padding: 0.5rem 0.75rem;
    border: 0.0625rem solid var(--vm-border);
    border-radius: 0.375rem;
    background: var(--vm-card-bg);
    color: var(--vm-text);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    min-height: 2.75rem;
}

.vm-filter-bar input:focus,
.vm-filter-bar select:focus {
    border-color: var(--vm-primary);
    box-shadow: 0 0 0 0.1875rem rgba(99,102,241,0.1);
}

.vm-search-input {
    flex: 1;
    min-width: 12.5rem;
}

/* ─── Tabs ─── */
.vm-tabs {
    display: flex;
    border-bottom: 0.125rem solid var(--vm-border);
    gap: 0;
    margin-bottom: 1.5rem;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

.vm-tab {
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--vm-text-muted);
    background: none;
    border: none;
    border-bottom: 0.125rem solid transparent;
    margin-bottom: -0.125rem;
    cursor: pointer;
    white-space: nowrap;
    transition: color 0.15s ease, border-color 0.15s ease;
    min-height: 2.75rem;
}

.vm-tab:hover { color: var(--vm-text); }
.vm-tab.active {
    color: var(--vm-primary);
    border-bottom-color: var(--vm-primary);
    font-weight: 600;
}

/* ─── Buttons ─── */
.vm-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: opacity 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
    text-decoration: none;
    white-space: nowrap;
    min-height: 2.75rem;
}

.vm-btn:hover { opacity: 0.9; transform: translateY(-0.0625rem); }
.vm-btn:active { transform: scale(0.98); }
.vm-btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.vm-btn-primary { background: var(--vm-primary); color: #fff; }
.vm-btn-primary:hover { background: var(--vm-primary-hover); }
.vm-btn-secondary { background: var(--vm-secondary); color: #fff; }
.vm-btn-accent { background: var(--vm-accent); color: #fff; }
.vm-btn-success { background: var(--vm-success); color: #fff; }
.vm-btn-error { background: var(--vm-error); color: #fff; }
.vm-btn-outline {
    background: transparent;
    border: 0.0625rem solid var(--vm-border);
    color: var(--vm-text);
}
.vm-btn-outline:hover { background: var(--vm-bg); }
.vm-btn-sm { padding: 0.375rem 0.75rem; font-size: 0.8125rem; min-height: 2.75rem; }
.vm-btn-lg { padding: 0.75rem 1.5rem; font-size: 1rem; }

/* ─── Forms ─── */
.vm-form-group {
    margin-bottom: 1rem;
}

.vm-form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--vm-text);
    margin-bottom: 0.375rem;
}

.vm-form-input,
.vm-form-select,
.vm-form-textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 0.0625rem solid var(--vm-border);
    border-radius: 0.375rem;
    background: var(--vm-card-bg);
    color: var(--vm-text);
    font-size: 0.875rem;
    outline: none;
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
    min-height: 2.75rem;
}

.vm-form-input:focus,
.vm-form-select:focus,
.vm-form-textarea:focus {
    border-color: var(--vm-primary);
    box-shadow: 0 0 0 0.1875rem rgba(99,102,241,0.1);
}

.vm-form-textarea { min-height: 6.25rem; resize: vertical; }

/* ─── Pagination ─── */
.vm-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.vm-pagination button {
    padding: 0.375rem 0.75rem;
    border: 0.0625rem solid var(--vm-border);
    border-radius: 0.375rem;
    background: var(--vm-card-bg);
    color: var(--vm-text);
    cursor: pointer;
    font-size: 0.875rem;
    transition: background 0.15s ease, border-color 0.15s ease;
    min-height: 2.75rem;
    min-width: 2.75rem;
}

.vm-pagination button:hover { background: var(--vm-bg); }
.vm-pagination button.active {
    background: var(--vm-primary);
    color: #fff;
    border-color: var(--vm-primary);
}

.vm-pagination button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* ─── Empty State ─── */
.vm-empty-state {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--vm-text-muted);
}

.vm-empty-state i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.vm-empty-state h3 {
    font-family: var(--vm-font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--vm-text);
    margin: 0 0 0.5rem;
}

.vm-empty-state p {
    font-size: 0.875rem;
    margin: 0 0 1rem;
}

/* ─── Modal — fixed header/footer, scrollable body ─── */
.vm-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.vm-modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.vm-modal {
    background: var(--vm-card-bg);
    border-radius: var(--vm-radius);
    box-shadow: var(--vm-shadow-lg);
    width: 90%;
    max-width: 37.5rem;
    max-height: 85vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateY(0.625rem);
    transition: transform 0.2s ease;
}

.vm-modal-overlay.active .vm-modal {
    transform: translateY(0);
}

.vm-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 0.0625rem solid var(--vm-border);
    flex-shrink: 0;
}

.vm-modal-title {
    font-family: var(--vm-font-heading);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.vm-modal-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    color: var(--vm-text-muted);
    cursor: pointer;
    min-width: 2.75rem;
    min-height: 2.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.375rem;
    transition: background 0.15s ease;
}

.vm-modal-close:hover {
    background: var(--vm-bg);
}

.vm-modal-body {
    padding: 1.5rem;
    overflow-y: auto;
    flex: 1;
    min-height: 0;
}

.vm-modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-top: 0.0625rem solid var(--vm-border);
    flex-shrink: 0;
}

/* ─── Hero Section ─── */
.vm-hero {
    background: linear-gradient(135deg, var(--vm-primary), var(--vm-secondary));
    color: #fff;
    border-radius: var(--vm-radius);
    padding: 3rem 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

.vm-hero h1 {
    font-family: var(--vm-font-heading);
    font-size: 2rem;
    font-weight: 700;
    margin: 0 0 0.75rem;
}

.vm-hero p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin: 0 0 1.5rem;
}

.vm-hero-search {
    display: flex;
    max-width: 30rem;
    margin: 0 auto;
    gap: 0;
}

.vm-hero-search input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: 0.5rem 0 0 0.5rem;
    font-size: 1rem;
    outline: none;
    min-height: 2.75rem;
}

.vm-hero-search button {
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 0 0.5rem 0.5rem 0;
    background: var(--vm-accent);
    color: #fff;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.15s ease, transform 0.1s ease;
    min-height: 2.75rem;
}

.vm-hero-search button:hover { opacity: 0.9; }

/* ─── Category Pills ─── */
.vm-category-pills {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.vm-category-pill {
    padding: 0.375rem 0.875rem;
    border-radius: 9999rem;
    font-size: 0.8125rem;
    font-weight: 500;
    border: 0.0625rem solid var(--vm-border);
    background: var(--vm-card-bg);
    color: var(--vm-text);
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    min-height: 2.75rem;
    display: inline-flex;
    align-items: center;
}

.vm-category-pill:hover,
.vm-category-pill.active {
    background: var(--vm-primary);
    color: #fff;
    border-color: var(--vm-primary);
    transform: translateY(-0.0625rem);
}

/* ─── Section Titles ─── */
.vm-section {
    margin-bottom: 2rem;
}

.vm-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.vm-section-title {
    font-family: var(--vm-font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--vm-text);
    margin: 0;
}

/* ─── Checkout Steps ─── */
.vm-steps {
    display: flex;
    justify-content: center;
    gap: 0;
    margin-bottom: 2rem;
}

.vm-step {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    color: var(--vm-text-muted);
    position: relative;
}

.vm-step.active { color: var(--vm-primary); font-weight: 600; }
.vm-step.completed { color: var(--vm-success); }

.vm-step-number {
    width: 1.75rem;
    height: 1.75rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    border: 0.125rem solid var(--vm-border);
    background: var(--vm-card-bg);
    flex-shrink: 0;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.vm-step.active .vm-step-number {
    border-color: var(--vm-primary);
    background: var(--vm-primary);
    color: #fff;
}

.vm-step.completed .vm-step-number {
    border-color: var(--vm-success);
    background: var(--vm-success);
    color: #fff;
}

.vm-step-connector {
    width: 3rem;
    height: 0.125rem;
    background: var(--vm-border);
    flex-shrink: 0;
    transition: background 0.2s ease;
}

.vm-step.completed + .vm-step-connector {
    background: var(--vm-success);
}

/* ─── Sidebar + Content Layout ─── */
.vm-layout-sidebar {
    display: grid;
    grid-template-columns: 16.25rem 1fr;
    gap: 1.5rem;
}

@media (max-width: 48rem) {
    .vm-layout-sidebar { grid-template-columns: 1fr; }
}

.vm-sidebar {
    background: var(--vm-card-bg);
    border: 0.0625rem solid var(--vm-border);
    border-radius: var(--vm-radius);
    padding: 1rem;
    height: fit-content;
    position: sticky;
    top: 1rem;
}

/* ─── Progress Bar ─── */
.vm-progress {
    height: 0.5rem;
    background: var(--vm-border);
    border-radius: 9999rem;
    overflow: hidden;
}

.vm-progress-bar {
    height: 100%;
    border-radius: 9999rem;
    background: var(--vm-primary);
    transition: width 0.3s ease;
}

/* ─── Toggle Switch ─── */
.vm-toggle {
    position: relative;
    width: 2.75rem;
    height: 1.5rem;
    display: inline-block;
}

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

.vm-toggle-slider {
    position: absolute;
    inset: 0;
    background: var(--vm-border);
    border-radius: 9999rem;
    cursor: pointer;
    transition: background 0.2s ease;
}

.vm-toggle-slider::before {
    content: '';
    position: absolute;
    height: 1.125rem;
    width: 1.125rem;
    left: 0.1875rem;
    bottom: 0.1875rem;
    background: #fff;
    border-radius: 50%;
    transition: transform 0.2s ease;
}

.vm-toggle input:checked + .vm-toggle-slider {
    background: var(--vm-success);
}

.vm-toggle input:checked + .vm-toggle-slider::before {
    transform: translateX(1.25rem);
}

/* ─── Chart Container ─── */
.vm-chart-container {
    position: relative;
    width: 100%;
    min-height: 15.625rem;
}

.vm-chart-container canvas {
    max-width: 100%;
}

/* ─── Image Upload ─── */
.vm-upload-area {
    border: 0.125rem dashed var(--vm-border);
    border-radius: var(--vm-radius);
    padding: 2rem;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease;
}

.vm-upload-area:hover {
    border-color: var(--vm-primary);
    background: rgba(99,102,241,0.04);
}

.vm-upload-area i {
    font-size: 2rem;
    color: var(--vm-text-muted);
    margin-bottom: 0.5rem;
}

/* ─── Two-column Layout ─── */
.vm-two-col {
    display: grid;
    grid-template-columns: 1fr 21.875rem;
    gap: 1.5rem;
}

@media (max-width: 64rem) {
    .vm-two-col { grid-template-columns: 1fr; }
}

/* ─── Alert Box ─── */
.vm-alert {
    padding: 0.75rem 1rem;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    transition: opacity 0.2s ease;
}

.vm-alert-info { background: #eff6ff; color: #1e40af; border: 0.0625rem solid #bfdbfe; }
.vm-alert-success { background: #ecfdf5; color: #065f46; border: 0.0625rem solid #a7f3d0; }
.vm-alert-warning { background: #fffbeb; color: #92400e; border: 0.0625rem solid #fde68a; }
.vm-alert-error { background: #fef2f2; color: #991b1b; border: 0.0625rem solid #fecaca; }

/* ─── Toast Notification (undo support) ─── */
.vm-toast {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    border-radius: 0.5rem;
    box-shadow: var(--vm-shadow-lg);
    color: #fff;
    font-size: 0.875rem;
    z-index: 1100;
    transform: translateY(0.625rem);
    opacity: 0;
    transition: transform 0.25s ease, opacity 0.25s ease;
}

.vm-toast.visible {
    transform: translateY(0);
    opacity: 1;
}

.vm-toast-info { background: #3b82f6; }
.vm-toast-success { background: #10b981; }
.vm-toast-error { background: #ef4444; }

.vm-toast-undo {
    background: none;
    border: 0.0625rem solid rgba(255,255,255,0.5);
    color: #fff;
    padding: 0.25rem 0.5rem;
    border-radius: 0.25rem;
    cursor: pointer;
    font-size: 0.8125rem;
    font-weight: 600;
    min-height: 2.75rem;
    min-width: 2.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s ease;
}

.vm-toast-undo:hover {
    background: rgba(255,255,255,0.2);
}

/* ─── Skeleton Loading ─── */
@keyframes vm-shimmer {
    0% { background-position: -12.5rem 0; }
    100% { background-position: 12.5rem 0; }
}

.vm-skeleton {
    background: linear-gradient(90deg, var(--vm-border) 25%, rgba(255,255,255,0.3) 50%, var(--vm-border) 75%);
    background-size: 25rem 100%;
    animation: vm-shimmer 1.5s infinite;
    border-radius: 0.25rem;
}

.vm-skeleton-card {
    height: 18.75rem;
    border-radius: var(--vm-radius);
}

.vm-skeleton-line {
    height: 1rem;
    margin-bottom: 0.5rem;
    border-radius: 0.25rem;
}

.vm-skeleton-line.short { width: 60%; }

/* ─── Utility ─── */
.vm-text-center { text-align: center; }
.vm-text-right { text-align: right; }
.vm-text-muted { color: var(--vm-text-muted); }
.vm-text-sm { font-size: 0.8125rem; }
.vm-mb-0 { margin-bottom: 0; }
.vm-mb-1 { margin-bottom: 0.5rem; }
.vm-mb-2 { margin-bottom: 1rem; }
.vm-mb-3 { margin-bottom: 1.5rem; }
.vm-mt-2 { margin-top: 1rem; }
.vm-flex { display: flex; }
.vm-flex-between { display: flex; justify-content: space-between; align-items: center; }
.vm-gap-1 { gap: 0.5rem; }
.vm-gap-2 { gap: 1rem; }
.vm-hidden { display: none; }