/* ============================================
   INVENTORY PAGE - MOBILE-FIRST DESIGN
   Matching Home.css and Agenda.css patterns
   ============================================ */

/* ====== CSS VARIABLES ====== */
:root {
    /* Brand Colors */
    --brand-primary: #0d2b35;
    --brand-primary-hover: #1a4255;
    --brand-gold: #d4af37;
    --brand-gold-hover: #c49a2a;

    /* Status Colors */
    --status-success: #16a34a;
    --status-warning: #f59e0b;
    --status-danger: #ef4444;
    --status-info: #3b82f6;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;

    /* Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    /* Transitions */
    --transition: 150ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
}

/* ====== ANIMATIONS ====== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { transform: translateY(20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

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

/* ============================================
   PAGE LAYOUT
   ============================================ */

.inv-page {
    min-height: 100vh;
    background: var(--gray-50);
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    padding: 0.75rem;
}

.inv-container {
    max-width: 1600px;
    margin: 0 auto;
}

/* ============================================
   BREADCRUMB
   ============================================ */

.inv-breadcrumb {
    display: none;
}

.inv-breadcrumb-item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--gray-600);
    font-size: 0.8125rem;
}

.inv-breadcrumb-item i {
    font-size: 0.875rem;
}

.inv-breadcrumb-current {
    color: var(--gray-900);
    font-weight: 500;
}

.inv-breadcrumb a.inv-breadcrumb-item {
    text-decoration: none;
    transition: color var(--transition);
}

.inv-breadcrumb a.inv-breadcrumb-item:hover {
    color: var(--brand-primary);
}

/* ============================================
   HEADER
   ============================================ */

.inv-header {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: 0.75rem;
    padding: 0.75rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}

.inv-header-left {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
    min-width: 0;
}

.inv-header-icon {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.inv-header-text {
    min-width: 0;
}

.inv-title {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
    line-height: 1.2;
}

.inv-subtitle {
    display: none;
}

.inv-header-actions {
    display: flex;
    gap: 0.375rem;
    flex-shrink: 0;
}

/* ============================================
   TABS
   ============================================ */

.inv-tabs {
    display: flex;
    gap: 0.375rem;
    margin-bottom: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.25rem;
    -webkit-overflow-scrolling: touch;
}

.inv-tabs::-webkit-scrollbar {
    display: none;
}

.inv-tab {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 0.5rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition);
    white-space: nowrap;
    flex-shrink: 0;
}

.inv-tab:hover {
    background: var(--gray-50);
    border-color: var(--gray-300);
}

.inv-tab.active {
    background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-hover));
    border-color: var(--brand-gold);
    color: var(--gray-900);
    font-weight: 600;
}

.inv-tab i {
    font-size: 0.875rem;
}

.inv-tab span {
    display: none;
}

/* ============================================
   CONTENT
   ============================================ */

.inv-content {
    background: transparent;
}

/* ============================================
   FILTERS
   ============================================ */

.inv-filters {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    padding: 0.75rem;
    margin-bottom: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.inv-filters-left {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    flex: 1;
}

.inv-filters-right {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.inv-search {
    position: relative;
    min-width: 100%;
}

.inv-search i {
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray-400);
    font-size: 0.875rem;
}

.inv-search input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    padding-left: 2.25rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-family: var(--font-sans);
    transition: all var(--transition);
    background: white;
}

.inv-search input:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(13, 43, 53, 0.1);
}

.inv-search input::placeholder {
    color: var(--gray-400);
}

.inv-search-clear {
    position: absolute;
    right: 0.5rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition);
}

.inv-search-clear:hover {
    color: var(--gray-600);
}

.inv-filter-select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    font-family: var(--font-sans);
    background: white;
    color: var(--gray-700);
    cursor: pointer;
    transition: all var(--transition);
    min-width: 120px;
}

.inv-filter-select:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(13, 43, 53, 0.1);
}

.inv-view-toggle {
    display: flex;
    gap: 0.125rem;
    background: var(--gray-100);
    border-radius: var(--radius-md);
    padding: 0.125rem;
}

.inv-view-btn {
    background: transparent;
    border: none;
    padding: 0.375rem 0.625rem;
    border-radius: var(--radius-sm);
    color: var(--gray-500);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.875rem;
}

.inv-view-btn:hover {
    color: var(--gray-700);
}

.inv-view-btn.active {
    background: white;
    color: var(--brand-primary);
    box-shadow: var(--shadow-xs);
}

/* ============================================
   STATS CARDS
   ============================================ */

.inv-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.inv-stat-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    padding: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.625rem;
    transition: all var(--transition);
}

.inv-stat-icon {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.inv-stat-icon.primary {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
}

.inv-stat-icon.success {
    background: linear-gradient(135deg, #16a34a, #15803d);
}

.inv-stat-icon.warning {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.inv-stat-icon.info {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
}

.inv-stat-info {
    flex: 1;
    min-width: 0;
}

.inv-stat-label {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.02em;
    line-height: 1.2;
}

.inv-stat-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1.2;
}

/* ============================================
   GRID VIEW
   ============================================ */

.inv-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.inv-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
    transition: all var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

.inv-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
}

.inv-card-image {
    position: relative;
    width: 100%;
    height: 160px;
    background: var(--gray-100);
    overflow: hidden;
}

.inv-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.inv-card-no-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    font-size: 2.5rem;
}

.inv-card-badges {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    display: flex;
    gap: 0.25rem;
    flex-direction: column;
    align-items: flex-end;
}

.inv-badge {
    padding: 0.125rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.6875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.inv-badge-info {
    background: #eff6ff;
    color: #1e40af;
}

.inv-badge-success {
    background: #d1fae5;
    color: #065f46;
}

.inv-badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.inv-badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.inv-badge-inactive {
    background: var(--gray-100);
    color: var(--gray-600);
}

.inv-card-content {
    padding: 0.75rem;
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.inv-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.5rem;
}

.inv-card-title {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
    line-height: 1.3;
}

.inv-card-code {
    font-size: 0.6875rem;
    color: var(--gray-600);
    font-family: 'Courier New', monospace;
    background: var(--gray-100);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.inv-card-description {
    margin: 0;
    font-size: 0.75rem;
    color: var(--gray-600);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.inv-card-meta {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.inv-card-meta-item {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--gray-600);
}

.inv-card-meta-item i {
    color: var(--gray-400);
    font-size: 0.75rem;
}

.inv-card-location {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.75rem;
    color: var(--gray-600);
    background: var(--gray-50);
    padding: 0.375rem 0.5rem;
    border-radius: var(--radius-md);
}

.inv-card-location i {
    color: var(--gray-400);
}

.inv-card-footer {
    padding: 0.625rem 0.75rem;
    border-top: 1px solid var(--gray-200);
    display: flex;
    gap: 0.375rem;
    background: var(--gray-50);
}

/* ============================================
   TABLE VIEW
   ============================================ */

.inv-table-container {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    overflow: hidden;
}

.inv-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8125rem;
}

.inv-table thead {
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.inv-table th {
    padding: 0.75rem;
    text-align: left;
    font-weight: 600;
    color: var(--gray-600);
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.inv-table tbody tr {
    border-bottom: 1px solid var(--gray-200);
    transition: background var(--transition);
    cursor: pointer;
}

.inv-table tbody tr:hover {
    background: var(--gray-50);
}

.inv-table tbody tr:last-child {
    border-bottom: none;
}

.inv-table td {
    padding: 0.75rem;
    color: var(--gray-700);
}

.inv-table-image {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    overflow: hidden;
    background: var(--gray-100);
    display: flex;
    align-items: center;
    justify-content: center;
}

.inv-table-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.inv-table-image i {
    color: var(--gray-400);
    font-size: 1rem;
}

.inv-table-code {
    font-family: 'Courier New', monospace;
    font-size: 0.75rem;
    color: var(--gray-600);
    background: var(--gray-100);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    display: inline-block;
}

.inv-table-name {
    font-weight: 500;
    color: var(--gray-900);
}

.inv-table-location {
    color: var(--gray-600);
}

.inv-table-empty {
    color: var(--gray-400);
}

.inv-table-actions {
    display: flex;
    gap: 0.25rem;
}

.inv-stock-badge {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.inv-stock-ok {
    background: #d1fae5;
    color: #065f46;
}

.inv-stock-low {
    background: #fef3c7;
    color: #92400e;
}

.inv-stock-out {
    background: #fee2e2;
    color: #991b1b;
}

.inv-row-inactive {
    opacity: 0.6;
}

/* ============================================
   SECTION
   ============================================ */

.inv-section {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem;
}

.inv-section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.inv-section-header h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-section-subtitle {
    margin: 0 0 0.75rem 0;
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.inv-section-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

/* ============================================
   CATEGORIES
   ============================================ */

.inv-categories-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.inv-category-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    transition: all var(--transition);
}

.inv-category-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--gray-300);
}

.inv-category-card.inv-card-inactive {
    opacity: 0.6;
    border-style: dashed;
}

.inv-category-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    border-radius: var(--radius-md);
    color: white;
    font-size: 1.125rem;
    flex-shrink: 0;
}

.inv-category-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.inv-category-title-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.inv-category-info h3 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-category-info p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--gray-600);
    line-height: 1.4;
}

.inv-category-count {
    font-size: 0.75rem;
    color: var(--gray-600);
    font-weight: 500;
}

.inv-category-actions {
    display: flex;
    gap: 0.25rem;
    flex-shrink: 0;
}

/* ============================================
   PACKAGES
   ============================================ */

.inv-package-info {
    background: linear-gradient(135deg, var(--gray-50), #fffbeb);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1rem;
    margin-bottom: 0.75rem;
}

.inv-package-header {
    margin-bottom: 0.75rem;
}

.inv-package-tier {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-hover));
    color: var(--gray-900);
    font-size: 0.6875rem;
    font-weight: 700;
    border-radius: var(--radius-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.inv-package-header h3 {
    margin: 0 0 0.375rem 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--gray-900);
}

.inv-package-header p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.inv-package-price {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
}

.inv-package-price-label {
    color: var(--gray-600);
    font-weight: 500;
}

.inv-package-price-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--brand-primary);
}

.inv-package-items h4 {
    margin: 0 0 0.75rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

/* ============================================
   PACKAGES OVERVIEW
   ============================================ */

.inv-packages-overview {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.inv-package-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    cursor: pointer;
    transition: all var(--transition);
}

.inv-package-card:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-md);
}

.inv-package-card.selected {
    border-color: var(--brand-primary);
    background: linear-gradient(to bottom, white, var(--gray-50));
    box-shadow: 0 0 0 3px rgba(13, 43, 53, 0.1);
}

.inv-package-card.inv-card-inactive {
    opacity: 0.6;
    border-style: dashed;
}

.inv-package-card-header {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    margin-bottom: 0.5rem;
    flex-wrap: wrap;
}

.inv-package-tier-badge {
    padding: 0.125rem 0.375rem;
    font-size: 0.625rem;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    letter-spacing: 0.05em;
}

.inv-package-tier-badge.tier-1 {
    background: var(--gray-100);
    color: var(--gray-700);
}

.inv-package-tier-badge.tier-2 {
    background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-hover));
    color: var(--gray-900);
}

.inv-package-tier-badge.tier-3 {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    color: white;
}

.inv-package-card h3 {
    margin: 0 0 0.375rem 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-package-desc {
    margin: 0 0 0.5rem 0;
    font-size: 0.75rem;
    color: var(--gray-600);
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.inv-package-pricing {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-100);
}

.inv-package-price-item {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.inv-price-label {
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
}

.inv-price-value {
    font-size: 0.8125rem;
    font-weight: 700;
    color: var(--brand-primary);
}

.inv-package-card-actions {
    display: flex;
    gap: 0.25rem;
}

.inv-package-detail-section {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--gray-200);
}

.inv-package-details-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.inv-package-detail-item {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.inv-detail-label {
    font-size: 0.625rem;
    font-weight: 500;
    color: var(--gray-500);
    text-transform: uppercase;
}

.inv-detail-value {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-package-items-section {
    margin-top: 0.75rem;
}

.inv-package-items-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.inv-package-items-header h4 {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
}

/* ============================================
   MOVEMENTS
   ============================================ */

.inv-movement-type {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.inv-movement-transfer {
    background: #eff6ff;
    color: #1e40af;
}

.inv-movement-adjustment {
    background: #fef3c7;
    color: #92400e;
}

.inv-movement-dispatch {
    background: #fee2e2;
    color: #991b1b;
}

.inv-movement-return {
    background: #d1fae5;
    color: #065f46;
}

/* ============================================
   REPORTS
   ============================================ */

.inv-reports-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.inv-report-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.5rem;
    transition: all var(--transition);
    cursor: pointer;
}

.inv-report-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--brand-primary);
}

.inv-report-icon {
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--gray-50), #fffbeb);
    border-radius: var(--radius-lg);
    color: var(--brand-primary);
    font-size: 1.25rem;
}

.inv-report-card h3 {
    margin: 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-report-card p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--gray-600);
}

/* ============================================
   SETTINGS TAB
   ============================================ */

.inv-settings-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.inv-settings-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: all var(--transition);
}

.inv-settings-card:hover {
    border-color: var(--gray-300);
    box-shadow: var(--shadow-md);
}

.inv-settings-card-header {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
}

.inv-settings-icon {
    width: 2.25rem;
    height: 2.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    border-radius: var(--radius-md);
    color: white;
    font-size: 1rem;
    flex-shrink: 0;
}

.inv-settings-title h3 {
    margin: 0 0 0.125rem 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-settings-title p {
    margin: 0;
    font-size: 0.75rem;
    color: var(--gray-600);
}

.inv-settings-stats {
    display: flex;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-top: 1px solid var(--gray-100);
    border-bottom: 1px solid var(--gray-100);
}

.inv-settings-stat {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.inv-settings-stat strong {
    color: var(--gray-900);
}

.inv-settings-actions {
    display: flex;
    gap: 0.375rem;
    margin-top: auto;
}

.inv-settings-detail-section {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 0.75rem;
}

.inv-settings-detail-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
}

.inv-settings-detail-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

/* ============================================
   EMPTY STATES
   ============================================ */

.inv-empty {
    padding: 1.5rem;
    text-align: center;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
}

.inv-empty i {
    font-size: 2.5rem;
    color: var(--gray-300);
    margin-bottom: 0.5rem;
}

.inv-empty h3 {
    margin: 0 0 0.25rem 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-empty p {
    margin: 0 0 0.75rem 0;
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.inv-empty-small {
    padding: 1rem;
    text-align: center;
}

.inv-empty-small i {
    font-size: 2rem;
    color: var(--gray-300);
    margin-bottom: 0.5rem;
}

.inv-empty-small p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--gray-600);
}

/* ============================================
   CHECKBOX INLINE
   ============================================ */

.inv-checkbox-inline {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--gray-600);
    cursor: pointer;
}

.inv-checkbox-inline input[type="checkbox"] {
    width: 0.875rem;
    height: 0.875rem;
    cursor: pointer;
}

/* ============================================
   MODAL
   ============================================ */

.inv-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(17, 24, 39, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    z-index: 1000;
    animation: fadeIn 0.2s ease;
}

.inv-modal {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: calc(100vh - 1.5rem);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease;
}

.inv-modal-lg {
    max-width: 700px;
}

.inv-modal-sm {
    max-width: 400px;
}

.inv-modal-header {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--gray-50);
}

.inv-modal-header h2 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-modal-close {
    background: none;
    border: none;
    color: var(--gray-500);
    cursor: pointer;
    padding: 0.25rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    transition: color var(--transition);
    border-radius: var(--radius-sm);
}

.inv-modal-close:hover {
    color: var(--gray-700);
    background: var(--gray-200);
}

.inv-modal-body {
    padding: 1rem;
    overflow-y: auto;
    flex: 1;
}

.inv-modal-footer {
    padding: 0.75rem 1rem;
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
    background: var(--gray-50);
}

/* ============================================
   FORM
   ============================================ */

.inv-form-group {
    margin-bottom: 0.75rem;
}

.inv-form-group:last-child {
    margin-bottom: 0;
}

.inv-form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-700);
}

.inv-form-control {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-family: var(--font-sans);
    color: var(--gray-900);
    background: white;
    transition: all var(--transition);
}

.inv-form-control:focus {
    outline: none;
    border-color: var(--brand-primary);
    box-shadow: 0 0 0 3px rgba(13, 43, 53, 0.1);
}

textarea.inv-form-control {
    resize: vertical;
    min-height: 80px;
}

.inv-form-static {
    padding: 0.5rem 0.75rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--gray-600);
}

.inv-required {
    color: #ef4444;
}

.inv-help-text {
    display: block;
    margin-top: 0.25rem;
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ============================================
   STOCK ADJUSTMENT MODAL SPECIFIC STYLES
   ============================================ */

.inv-stock-adj-info {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background: linear-gradient(135deg, var(--gray-50), var(--gray-100));
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.inv-stock-adj-code {
    font-family: 'Courier New', monospace;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--brand-primary);
}

.inv-stock-adj-unit {
    font-size: 0.75rem;
    color: var(--gray-600);
}

.inv-stock-current-display {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    padding: 1rem;
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
}

.inv-stock-current-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.inv-stock-current-label {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.inv-stock-current-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-stock-calculation {
    padding: 1rem;
    background: linear-gradient(135deg, #f0f9ff, #e0f2fe);
    border: 1px solid #bae6fd;
    border-radius: var(--radius-md);
    margin-top: 1rem;
}

.inv-stock-calc-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
}

.inv-stock-calc-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
}

.inv-stock-calc-value {
    font-size: 1rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

@media (max-width: 640px) {
    .inv-stock-current-display {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   MOVEMENT TYPE BADGES
   ============================================ */

.inv-movement-type {
    display: inline-block;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.inv-movement-adjustment {
    background: #dbeafe;
    color: #1e40af;
}

.inv-movement-transfer {
    background: #fef3c7;
    color: #92400e;
}

.inv-movement-dispatch {
    background: #fce7f3;
    color: #9f1239;
}

.inv-movement-return {
    background: #d1fae5;
    color: #065f46;
}

/* ============================================
   TOAST
   ============================================ */

.inv-toast {
    position: fixed;
    bottom: 1rem;
    right: 1rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8125rem;
    font-weight: 500;
    z-index: 2000;
    animation: slideInRight 0.3s ease;
}

.inv-toast i {
    font-size: 1rem;
}

.inv-toast-success {
    background: #16a34a;
    color: white;
}

.inv-toast-error {
    background: #ef4444;
    color: white;
}

.inv-toast-warning {
    background: #f59e0b;
    color: var(--gray-900);
}

.inv-toast-info {
    background: #3b82f6;
    color: white;
}

/* ============================================
   DETAIL PAGE
   ============================================ */

.inv-detail-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    align-items: start;
}

.inv-detail-left,
.inv-detail-right {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.inv-detail-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    padding: 0.75rem;
}

.inv-detail-card h3 {
    margin: 0 0 0.5rem 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-detail-card h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-detail-card p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--gray-600);
    line-height: 1.5;
}

/* Image Showcase */
.inv-image-showcase {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.inv-image-main {
    position: relative;
    width: 100%;
    aspect-ratio: 1;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
}

.inv-image-main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.inv-image-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition);
}

.inv-image-main:hover .inv-image-overlay {
    opacity: 1;
}

.inv-image-overlay i {
    color: white;
    font-size: 1.5rem;
}

.inv-image-thumbnails {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 0.375rem;
}

.inv-image-thumbnail {
    aspect-ratio: 1;
    background: var(--gray-100);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition);
}

.inv-image-thumbnail:hover {
    border-color: var(--brand-primary);
}

.inv-image-thumbnail.active {
    border-color: var(--brand-gold);
    box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
}

.inv-image-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.inv-image-showcase-empty {
    aspect-ratio: 1;
    background: var(--gray-100);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--gray-400);
}

.inv-image-showcase-empty i {
    font-size: 3rem;
}

.inv-image-showcase-empty p {
    margin: 0;
    color: var(--gray-500);
}

/* Stock Summary */
.inv-stock-summary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.inv-stock-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.inv-stock-label {
    font-size: 0.75rem;
    color: var(--gray-600);
    font-weight: 500;
}

.inv-stock-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.inv-stock-value-success {
    color: #16a34a;
}

.inv-stock-value-warning {
    color: #f59e0b;
}

.inv-stock-value-danger {
    color: #ef4444;
}

.inv-stock-locations h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.inv-stock-location-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    margin-bottom: 0.375rem;
}

.inv-stock-location-item:last-child {
    margin-bottom: 0;
}

.inv-stock-location-name {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    color: var(--gray-700);
}

.inv-stock-location-name i {
    color: var(--gray-400);
}

.inv-stock-location-qty {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gray-900);
}

/* Quick Info */
.inv-detail-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.inv-detail-info-item {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.inv-detail-info-label {
    font-size: 0.75rem;
    color: var(--gray-600);
    font-weight: 500;
}

.inv-detail-info-value {
    font-size: 0.8125rem;
    color: var(--gray-900);
    font-weight: 600;
}

.inv-status-badge {
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-block;
}

.inv-status-active {
    background: #d1fae5;
    color: #065f46;
}

.inv-status-inactive {
    background: var(--gray-100);
    color: var(--gray-600);
}

/* Detail Tabs */
.inv-detail-tabs {
    display: flex;
    gap: 0.25rem;
    border-bottom: 2px solid var(--gray-200);
    margin-bottom: 0.75rem;
    overflow-x: auto;
}

.inv-detail-tab {
    background: transparent;
    border: none;
    padding: 0.5rem 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    font-size: 0.8125rem;
    font-weight: 500;
    color: var(--gray-600);
    cursor: pointer;
    transition: all var(--transition);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
}

.inv-detail-tab:hover {
    color: var(--gray-900);
}

.inv-detail-tab.active {
    color: var(--brand-primary);
    border-bottom-color: var(--brand-gold);
}

.inv-detail-tab i {
    font-size: 0.875rem;
}

.inv-detail-tab-content {
    min-height: 200px;
}

.inv-detail-section {
    margin-bottom: 1rem;
}

.inv-detail-section:last-child {
    margin-bottom: 0;
}

.inv-detail-row-grid {
    display: grid;
    gap: 0.5rem;
}

.inv-detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

.inv-detail-row-label {
    font-size: 0.8125rem;
    color: var(--gray-600);
    font-weight: 500;
}

.inv-detail-row-value {
    font-size: 0.8125rem;
    color: var(--gray-900);
    font-weight: 600;
}

/* Characteristics */
.inv-characteristics {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.375rem;
}

.inv-characteristic {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    padding: 0.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.inv-characteristic.active {
    background: #d1fae5;
    color: #065f46;
}

.inv-characteristic i {
    font-size: 1rem;
}

/* Value Cards */
.inv-value-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.inv-value-card {
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-primary-hover));
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.inv-value-label {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.inv-value-amount {
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

/* Package List */
.inv-package-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.inv-package-tier-info {
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.inv-tier-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.5rem 0.75rem;
    background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-hover));
    border-radius: var(--radius-md);
    align-self: flex-start;
}

.inv-tier-label {
    font-size: 0.625rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: rgba(0, 0, 0, 0.7);
}

.inv-tier-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
}

.inv-tier-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.inv-tier-detail-item {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.inv-tier-detail-label {
    font-size: 0.8125rem;
    color: var(--gray-600);
    font-weight: 500;
    min-width: 80px;
}

.inv-tier-detail-value {
    font-size: 0.8125rem;
    color: var(--gray-900);
    font-weight: 600;
}

.inv-package-list-item {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
    padding: 0.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border-left: 3px solid var(--brand-gold);
}

.inv-package-list-tier {
    padding: 0.125rem 0.375rem;
    background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-hover));
    color: var(--gray-900);
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.inv-package-list-name {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gray-900);
    flex: 1;
}

.inv-package-list-qty {
    font-size: 0.8125rem;
    color: var(--gray-600);
    font-weight: 600;
}

.inv-package-list-type {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* Movements List */
.inv-movements-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.inv-movement-item {
    padding: 0.5rem;
    background: var(--gray-50);
    border-radius: var(--radius-md);
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    align-items: center;
}

.inv-movement-date {
    font-size: 0.75rem;
    color: var(--gray-500);
    font-family: 'Courier New', monospace;
}

.inv-movement-details {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    font-size: 0.8125rem;
    color: var(--gray-700);
}

.inv-movement-qty {
    font-weight: 600;
    color: var(--gray-900);
}

.inv-movement-reason {
    width: 100%;
    font-size: 0.75rem;
    color: var(--gray-500);
    font-style: italic;
}

/* Lightbox */
.inv-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 1rem;
    animation: fadeIn 0.2s ease;
}

.inv-lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

.inv-lightbox-content img {
    max-width: 100%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.inv-lightbox-close {
    position: absolute;
    top: -2.5rem;
    right: 0;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 1rem;
    transition: all var(--transition);
}

.inv-lightbox-close:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: rgba(255, 255, 255, 0.4);
}

/* ============================================
   EDIT PAGE
   ============================================ */

.inv-edit-content {
    background: transparent;
}

.inv-edit-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.inv-edit-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
}

.inv-edit-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.inv-edit-card {
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    padding: 0.75rem;
}

.inv-edit-card h3 {
    margin: 0 0 0.75rem 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-900);
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--gray-200);
}

.inv-form-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

/* Checkbox Group */
.inv-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.inv-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    padding: 0.625rem;
    background: var(--gray-50);
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition);
}

.inv-checkbox:hover {
    background: var(--gray-100);
    border-color: var(--brand-primary);
}

.inv-checkbox input[type="checkbox"] {
    margin-top: 0.125rem;
    width: 1rem;
    height: 1rem;
    cursor: pointer;
}

.inv-checkbox input[type="checkbox"]:checked + .inv-checkbox-label {
    color: var(--brand-primary);
}

.inv-checkbox-label {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.inv-checkbox-label i {
    margin-right: 0.375rem;
    font-size: 1rem;
}

.inv-checkbox-label strong {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--gray-900);
    display: flex;
    align-items: center;
}

.inv-checkbox-label small {
    font-size: 0.75rem;
    color: var(--gray-600);
}

/* Upload Area */
.inv-upload-area {
    border: 2px dashed var(--gray-300);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    text-align: center;
    background: var(--gray-50);
    transition: all var(--transition);
}

.inv-upload-area:hover {
    border-color: var(--brand-primary);
    background: white;
}

.inv-upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.inv-upload-placeholder i {
    font-size: 2.5rem;
    color: var(--gray-400);
}

.inv-upload-placeholder h4 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-upload-placeholder p {
    margin: 0;
    font-size: 0.8125rem;
    color: var(--gray-600);
}

/* Images Grid */
.inv-images-grid h4 {
    margin: 0.75rem 0 0.5rem 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-images-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 0.5rem;
}

.inv-image-item {
    position: relative;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 0.375rem;
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.inv-image-item img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.inv-image-actions {
    display: flex;
    gap: 0.25rem;
    align-items: center;
    justify-content: space-between;
}

.inv-image-badge {
    padding: 0.125rem 0.375rem;
    background: linear-gradient(135deg, var(--brand-gold), var(--brand-gold-hover));
    color: var(--gray-900);
    font-size: 0.625rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Package Preview */
.inv-package-preview {
    margin-top: 0.75rem;
    padding: 0.75rem;
    background: linear-gradient(135deg, var(--gray-50), #fffbeb);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
}

.inv-package-preview h4 {
    margin: 0 0 0.5rem 0;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-900);
}

.inv-package-tier-list {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.inv-package-tier-item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xs);
}

.inv-package-tier-price {
    margin-left: auto;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--brand-primary);
}

/* ============================================
   TABLET BREAKPOINT (640px+)
   ============================================ */

@media (min-width: 640px) {
    .inv-page {
        padding: 1rem;
    }

    .inv-header {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .inv-header-icon {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.125rem;
    }

    .inv-title {
        font-size: 1.25rem;
    }

    .inv-subtitle {
        display: block;
        font-size: 0.8125rem;
        color: var(--gray-600);
        margin: 0;
    }

    .inv-tabs {
        gap: 0.5rem;
        margin-bottom: 1rem;
    }

    .inv-tab {
        padding: 0.625rem 1rem;
    }

    .inv-tab span {
        display: inline;
    }

    .inv-filters {
        flex-direction: row;
        padding: 0.875rem;
    }

    .inv-search {
        min-width: 250px;
    }

    .inv-stats {
        grid-template-columns: repeat(4, 1fr);
        gap: 0.75rem;
        margin-bottom: 1rem;
    }

    .inv-stat-card {
        padding: 0.875rem;
    }

    .inv-stat-icon {
        width: 2.5rem;
        height: 2.5rem;
        font-size: 1.125rem;
    }

    .inv-stat-label {
        font-size: 0.75rem;
    }

    .inv-stat-value {
        font-size: 1.375rem;
    }

    .inv-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .inv-card-image {
        height: 180px;
    }

    .inv-categories-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .inv-category-card {
        padding: 1rem;
    }

    .inv-category-icon {
        width: 3rem;
        height: 3rem;
        font-size: 1.25rem;
    }

    .inv-packages-overview {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .inv-settings-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }

    .inv-section {
        padding: 1rem;
    }

    .inv-modal {
        max-height: calc(100vh - 3rem);
    }

    .inv-modal-header,
    .inv-modal-footer {
        padding: 1rem 1.25rem;
    }

    .inv-modal-body {
        padding: 1.25rem;
    }

    .inv-form-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .inv-edit-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .inv-detail-grid {
        grid-template-columns: 320px 1fr;
    }
}

/* ============================================
   DESKTOP BREAKPOINT (1024px+)
   ============================================ */

@media (min-width: 1024px) {
    .inv-page {
        padding: 1.25rem;
    }

    .inv-breadcrumb {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        margin-bottom: 1rem;
        font-size: 0.8125rem;
    }

    .inv-header {
        padding: 1rem 1.25rem;
    }

    .inv-header-icon {
        width: 2.75rem;
        height: 2.75rem;
        font-size: 1.25rem;
    }

    .inv-title {
        font-size: 1.375rem;
    }

    .inv-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .inv-card-image {
        height: 200px;
    }

    .inv-categories-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .inv-packages-overview {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .inv-settings-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1rem;
    }

    .inv-reports-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .inv-detail-grid {
        grid-template-columns: 400px 1fr;
        gap: 1rem;
    }

    /* Hover effects */
    .inv-card:hover {
        transform: translateY(-2px);
    }

    .inv-category-card:hover {
        transform: translateY(-2px);
    }

    .inv-package-card:hover {
        transform: translateY(-2px);
    }

    .inv-stat-card:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
    }

    .inv-settings-card:hover {
        transform: translateY(-2px);
    }
}

/* ============================================
   LARGE DESKTOP (1280px+)
   ============================================ */

@media (min-width: 1280px) {
    .inv-page {
        padding: 1.5rem;
    }

    .inv-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 1.25rem;
    }

    .inv-categories-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .inv-packages-overview {
        grid-template-columns: repeat(4, 1fr);
    }

    .inv-settings-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   PRINT STYLES
   ============================================ */

@media print {
    .inv-header-actions,
    .inv-filters,
    .inv-tabs,
    .inv-card-footer,
    .inv-table-actions,
    .inv-category-actions,
    .inv-package-card-actions,
    .inv-settings-actions {
        display: none !important;
    }

    .inv-page {
        background: white;
        padding: 0;
    }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}