/**
 * Supply Inventory Tracker - Styles
 * Clean, professional design for medical/clinical environments
 */

/* Reset & Variables */
#supply-inventory-app {
    --inv-primary: #2E6864;
    --inv-primary-hover: #245451;
    --inv-success: #16a34a;
    --inv-success-hover: #15803d;
    --inv-danger: #dc2626;
    --inv-danger-hover: #b91c1c;
    --inv-warning: #f59e0b;
    --inv-warning-bg: #fef3c7;
    --inv-gray-50: #f9fafb;
    --inv-gray-100: #f3f4f6;
    --inv-gray-200: #e5e7eb;
    --inv-gray-300: #d1d5db;
    --inv-gray-400: #9ca3af;
    --inv-gray-500: #6b7280;
    --inv-gray-600: #4b5563;
    --inv-gray-700: #374151;
    --inv-gray-800: #1f2937;
    --inv-gray-900: #111827;
    --inv-border-radius: 8px;
    --inv-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --inv-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);

    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    color: var(--inv-gray-800);
    box-sizing: border-box;
}

#supply-inventory-app *, #supply-inventory-app *::before, #supply-inventory-app *::after {
    box-sizing: inherit;
}

#supply-inventory-app {
    overflow: hidden;
}

/* Login Screen */
.inv-login-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 400px;
    padding: 2rem;
}

.inv-login-box {
    background: white;
    border-radius: var(--inv-border-radius);
    box-shadow: var(--inv-shadow-lg);
    padding: 2rem;
    width: 100%;
    max-width: 400px;
}

.inv-login-box h2 {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
    color: var(--inv-gray-900);
}

.inv-login-box p {
    margin: 0 0 1.5rem;
    color: var(--inv-gray-500);
}

/* App Layout */
.inv-app {
    background: var(--inv-gray-50);
    min-height: 600px;
}

.inv-header {
    background: white;
    border-bottom: 1px solid var(--inv-gray-200);
    padding: 1rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.inv-header h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--inv-gray-900);
}

.inv-nav {
    display: flex;
    gap: 0.25rem;
    flex: 1;
}

.inv-nav-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    color: var(--inv-gray-600);
    cursor: pointer;
    border-radius: var(--inv-border-radius);
    transition: all 0.15s;
}

.inv-nav-btn:hover {
    background: var(--inv-gray-100);
    color: var(--inv-gray-900);
}

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

.inv-user-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--inv-gray-600);
    font-size: 0.875rem;
}

.inv-main {
    padding: 1.5rem;
}

/* Buttons */
.inv-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--inv-border-radius);
    border: 1px solid var(--inv-gray-300);
    background: white;
    color: var(--inv-gray-700);
    cursor: pointer;
    transition: all 0.15s;
    white-space: nowrap;
}

.inv-btn:hover {
    background: var(--inv-gray-50);
    border-color: var(--inv-gray-400);
}

.inv-btn-primary {
    background: var(--inv-primary);
    border-color: var(--inv-primary);
    color: white;
}

.inv-btn-primary:hover {
    background: var(--inv-primary-hover);
    border-color: var(--inv-primary-hover);
}

.inv-btn-success {
    background: var(--inv-success);
    border-color: var(--inv-success);
    color: white;
}

.inv-btn-success:hover {
    background: var(--inv-success-hover);
}

.inv-btn-danger {
    background: var(--inv-danger);
    border-color: var(--inv-danger);
    color: white;
}

.inv-btn-danger:hover {
    background: var(--inv-danger-hover);
}

.inv-btn-small {
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
}

/* Inline Select */
.inv-inline-select {
    padding: 0.25rem 0.4rem;
    font-size: 0.8rem;
    border: 1px solid var(--inv-gray-200);
    border-radius: 4px;
    background: white;
    cursor: pointer;
    max-width: 140px;
}
.inv-inline-select:hover {
    border-color: var(--inv-primary);
}
.inv-inline-select:focus {
    outline: none;
    border-color: var(--inv-primary);
    box-shadow: 0 0 0 2px rgba(46, 104, 100, 0.15);
}

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

.inv-form-group label {
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 500;
    color: var(--inv-gray-700);
    font-size: 0.875rem;
}

.inv-form-group input,
.inv-form-group select,
.inv-form-group textarea {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--inv-gray-300);
    border-radius: var(--inv-border-radius);
    background: white;
    color: var(--inv-gray-900);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.inv-form-group input:focus,
.inv-form-group select:focus,
.inv-form-group textarea:focus {
    outline: none;
    border-color: var(--inv-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.inv-form-row {
    display: flex;
    gap: 1rem;
    align-items: flex-end;
}

.inv-form-row .inv-form-group {
    flex: 1;
}

.inv-form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--inv-gray-200);
}

.inv-checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    font-size: 0.875rem;
}

.inv-checkbox-label input {
    width: auto;
}

/* Location Fields */
.inv-location-fields {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.inv-location-fields input {
    flex: 1;
    padding: 0.5rem 0.75rem;
    font-size: 0.875rem;
    border: 1px solid var(--inv-gray-300);
    border-radius: var(--inv-border-radius);
    background: white;
    color: var(--inv-gray-900);
    text-transform: uppercase;
    text-align: center;
}

.inv-location-fields input:focus {
    outline: none;
    border-color: var(--inv-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.inv-loc-sep {
    font-weight: 700;
    color: var(--inv-gray-400);
    font-size: 1.1rem;
}

.inv-inventory {
    width: 100%;
    min-width: 0;
    overflow-x: auto;
}

/* Tables */
.inv-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--inv-border-radius);
    box-shadow: var(--inv-shadow);
}

.inv-table th,
.inv-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--inv-gray-200);
}

.inv-table th {
    background: var(--inv-gray-50);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--inv-gray-600);
}

.inv-table th.inv-sortable {
    cursor: pointer;
    user-select: none;
    white-space: nowrap;
    transition: background 0.15s, color 0.15s;
}

.inv-table th.inv-sortable:hover {
    background: var(--inv-gray-200);
    color: var(--inv-gray-800);
}

.inv-table th.inv-sortable.sorted {
    color: var(--inv-primary);
    background: var(--inv-gray-100);
}

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

.inv-table tbody tr.low-stock {
    background: var(--inv-warning-bg);
}

.inv-table tbody tr.low-stock:hover {
    background: #fde68a;
}

.inv-table .inv-actions {
    white-space: nowrap;
}

.inv-actions-dropdown {
    position: relative;
    display: inline-block;
}

.inv-actions-dropdown-btn {
    background: var(--inv-gray-100);
    border: 1px solid var(--inv-gray-300);
    border-radius: var(--inv-border-radius);
    padding: 0.25rem 0.5rem;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--inv-gray-700);
}

.inv-actions-dropdown-btn:hover {
    background: var(--inv-gray-200);
}

.inv-actions-menu {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 2px;
    background: white;
    border: 1px solid var(--inv-gray-200);
    border-radius: var(--inv-border-radius);
    box-shadow: var(--inv-shadow-lg);
    z-index: 50;
    min-width: 100px;
    overflow: hidden;
}

.inv-actions-menu.open {
    display: block;
}

.inv-actions-menu button {
    display: block;
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: none;
    background: none;
    text-align: left;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--inv-gray-700);
}

.inv-actions-menu button:hover {
    background: var(--inv-gray-100);
}

.inv-actions-menu button.inv-menu-danger {
    color: var(--inv-danger);
}

.inv-actions-menu button.inv-menu-danger:hover {
    background: #fef2f2;
}

.inv-table .inv-empty {
    text-align: center;
    color: var(--inv-gray-500);
    padding: 2rem;
}

/* Stats Cards */
.inv-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.inv-stat-card {
    background: white;
    border-radius: var(--inv-border-radius);
    padding: 1.25rem;
    box-shadow: var(--inv-shadow);
}

.inv-stat-card h3 {
    margin: 0 0 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--inv-gray-500);
}

.inv-stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--inv-gray-900);
}

.inv-stat-card.warning {
    border-left: 4px solid var(--inv-warning);
}

.inv-stat-card.warning .inv-stat-value {
    color: var(--inv-danger);
}

.inv-stat-card.expiring {
    border-left: 4px solid #f97316;
}

.inv-stat-card.expiring .inv-stat-value {
    color: #f97316;
}

/* Sections */
.inv-section {
    background: white;
    border-radius: var(--inv-border-radius);
    padding: 1.25rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--inv-shadow);
}

.inv-section h2, .inv-section h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--inv-gray-800);
}

/* Low Stock List */
.inv-low-stock-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.inv-low-stock-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    background: var(--inv-warning-bg);
    border-radius: var(--inv-border-radius);
    border-left: 4px solid var(--inv-warning);
}

.inv-low-stock-item .inv-item-name {
    flex: 1;
    font-weight: 500;
}

.inv-clickable {
    cursor: pointer;
    text-decoration: underline;
    text-decoration-color: transparent;
    transition: text-decoration-color 0.15s;
}

.inv-clickable:hover {
    text-decoration-color: currentColor;
}

.inv-low-stock-item .inv-item-category {
    color: var(--inv-gray-500);
    font-size: 0.875rem;
}

.inv-low-stock-item .inv-item-location {
    color: var(--inv-gray-500);
    font-size: 0.875rem;
}

.inv-low-stock-item .inv-item-qty {
    font-weight: 600;
}

.inv-low-stock-item .inv-item-qty.critical {
    color: var(--inv-danger);
}

/* Expiring Soon List */
.inv-expiring-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.inv-expiring-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem;
    border-radius: var(--inv-border-radius);
    border-left: 4px solid #f97316;
    background: #fff7ed;
}

.inv-expiring-item.critical {
    border-left-color: var(--inv-danger);
    background: #fef2f2;
}

.inv-expiring-item.expired {
    border-left-color: #991b1b;
    background: #fef2f2;
}

.inv-expiring-item .inv-item-name {
    flex: 1;
    font-weight: 500;
}

.inv-expiring-item .inv-item-category {
    color: var(--inv-gray-500);
    font-size: 0.875rem;
}

.inv-expiring-item .inv-item-location {
    color: var(--inv-gray-500);
    font-size: 0.875rem;
}

.inv-expiring-item .inv-expiry-date {
    color: var(--inv-gray-600);
    font-size: 0.875rem;
}

/* Top Consumed */
.inv-top-consumed {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.inv-consumed-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--inv-gray-100);
}

.inv-consumed-item:last-child {
    border-bottom: none;
}

.inv-consumed-item .inv-item-name {
    flex: 1;
    font-weight: 500;
}

.inv-consumed-item .inv-velocity {
    color: var(--inv-gray-600);
    font-size: 0.875rem;
}

.inv-consumed-item .inv-days-left {
    font-size: 0.75rem;
    padding: 0.25rem 0.5rem;
    background: var(--inv-gray-100);
    border-radius: 4px;
    color: var(--inv-gray-600);
}

/* Quick Actions */
.inv-quick-actions {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Toolbar */
.inv-toolbar {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 1rem;
    padding: 1rem;
    background: white;
    border-radius: var(--inv-border-radius);
    box-shadow: var(--inv-shadow);
}

.inv-location-toolbar {
    margin-top: -0.5rem;
    padding: 0.75rem 1rem;
    gap: 0.5rem;
}

.inv-toolbar-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--inv-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.inv-search-box {
    flex: 1;
    min-width: 200px;
}

.inv-search-box input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--inv-gray-300);
    border-radius: var(--inv-border-radius);
    font-size: 0.875rem;
}

.inv-toolbar select {
    padding: 0.5rem 0.75rem;
    border: 1px solid var(--inv-gray-300);
    border-radius: var(--inv-border-radius);
    font-size: 0.875rem;
    background: white;
}

/* Quantity Display */
.inv-qty {
    font-weight: 600;
    display: inline-block;
    min-width: 3rem;
}

.inv-qty.critical {
    color: var(--inv-danger);
}

/* Badges */
.inv-badge {
    display: inline-block;
    padding: 0.125rem 0.5rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.inv-badge.warning {
    background: var(--inv-warning);
    color: white;
}

.inv-badge.add {
    background: #dcfce7;
    color: #166534;
}

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

.inv-badge.created, .inv-badge.updated {
    background: #e0e7ff;
    color: #3730a3;
}

.inv-badge.deleted {
    background: var(--inv-gray-200);
    color: var(--inv-gray-600);
}

.inv-badge.expired {
    background: var(--inv-danger);
    color: white;
}

.inv-badge.critical {
    background: #fca5a5;
    color: #991b1b;
}

.inv-badge.expiring-soon {
    background: var(--inv-warning);
    color: white;
}

/* Charts */
.inv-charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.inv-chart-card {
    background: white;
    border-radius: var(--inv-border-radius);
    padding: 1.25rem;
    box-shadow: var(--inv-shadow);
}

.inv-chart-card h3 {
    margin: 0 0 1rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--inv-gray-700);
}

.inv-chart-card canvas {
    max-height: 300px;
}

/* Transaction Colors */
.negative {
    color: var(--inv-danger);
}

.positive {
    color: var(--inv-success);
}

/* Settings */
.inv-settings {
    max-width: 800px;
}

.inv-settings h2 {
    margin: 0 0 1.5rem;
    font-size: 1.25rem;
}

.inv-settings-section {
    background: white;
    border-radius: var(--inv-border-radius);
    padding: 1.25rem;
    margin-bottom: 1rem;
    box-shadow: var(--inv-shadow);
}

.inv-settings-section h3 {
    margin: 0 0 1rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--inv-gray-800);
}

/* Tags */
.inv-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.inv-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.375rem 0.75rem;
    background: var(--inv-gray-100);
    border-radius: 9999px;
    font-size: 0.875rem;
}

.inv-tag button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    color: var(--inv-gray-500);
    padding: 0;
    line-height: 1;
}

.inv-tag button:hover {
    color: var(--inv-danger);
}

/* Export Actions */
.inv-export-actions {
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--inv-gray-200);
}

/* Modal */
.inv-modal {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
}

.inv-modal.hidden {
    display: none;
}

.inv-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
}

.inv-modal-content {
    position: relative;
    background: white;
    border-radius: var(--inv-border-radius);
    padding: 1.5rem;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--inv-shadow-lg);
}

.inv-modal-content h2 {
    margin: 0 0 1rem;
    font-size: 1.25rem;
}

/* Notification */
.inv-notification {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--inv-gray-800);
    color: white;
    border-radius: var(--inv-border-radius);
    box-shadow: var(--inv-shadow-lg);
    z-index: 1001;
    transition: opacity 0.3s, transform 0.3s;
}

.inv-notification.hidden {
    opacity: 0;
    transform: translateY(1rem);
    pointer-events: none;
}

.inv-notification.success {
    background: var(--inv-success);
}

.inv-notification.error {
    background: var(--inv-danger);
}

/* Loading */
.inv-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    color: var(--inv-gray-500);
}

/* Responsive */
@media (max-width: 768px) {
    .inv-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .inv-nav {
        width: 100%;
        overflow-x: auto;
    }

    .inv-user-info {
        width: 100%;
        justify-content: space-between;
    }

    .inv-toolbar {
        flex-direction: column;
        align-items: stretch;
    }

    .inv-search-box {
        min-width: auto;
    }

    .inv-table {
        display: block;
        overflow-x: auto;
    }

    .inv-charts-grid {
        grid-template-columns: 1fr;
    }

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

    .inv-form-row {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .inv-stats-grid {
        grid-template-columns: 1fr;
    }

    .inv-stat-value {
        font-size: 1.5rem;
    }
}