/* =============================================
   INVENTORY MANAGEMENT SYSTEM - MAIN STYLES
   Modern, Professional, Responsive Design
   ============================================= */

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

:root {
    /* Color Palette */
    --primary-color: #4f46e5;
    --primary-dark: #4338ca;
    --primary-light: #818cf8;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #3b82f6;
    --success-color: #10b981;
    
    /* Neutral Colors */
    --dark-bg: #1f2937;
    --darker-bg: #111827;
    --light-bg: #f9fafb;
    --white: #ffffff;
    --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;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition: all 0.3s ease;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background-color: var(--light-bg);
    color: var(--gray-900);
    line-height: 1.6;
}

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

.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--darker-bg);
    color: var(--white);
    position: fixed;
    height: 100vh;
    overflow-y: auto;
    transition: var(--transition);
    z-index: 1000;
}

.sidebar-header {
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
}

.sidebar-nav {
    padding: var(--space-md) 0;
}

.nav-item {
    padding: var(--space-sm) var(--space-lg);
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--gray-300);
    text-decoration: none;
    border-left: 3px solid transparent;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    border-left-color: var(--primary-color);
}

.nav-item.active {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-light);
    border-left-color: var(--primary-light);
}

.nav-item i {
    font-size: 1.25rem;
    width: 24px;
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: var(--space-lg);
    width: calc(100% - 260px);
    overflow-x: hidden;
}

/* Header */
.header {
    background: var(--white);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-title h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
}

.header-actions {
    display: flex;
    gap: var(--space-sm);
    align-items: center;
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--gray-100);
    border-radius: var(--radius-lg);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

/* =============================================
   COMPONENTS
   ============================================= */

/* Cards */
.card {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--space-lg);
    transition: var(--transition);
}

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

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--gray-900);
}

.card-body {
    color: var(--gray-700);
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-md);
    margin-bottom: var(--space-lg);
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: var(--space-md);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
}

.stat-icon.primary {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
}

.stat-icon.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-icon.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-icon.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.stat-info {
    flex: 1;
}

.stat-label {
    color: var(--gray-500);
    font-size: 0.875rem;
    margin-bottom: 0.25rem;
}

.stat-value {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
}

/* Buttons */
.btn {
    padding: 0.625rem 1.25rem;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
}

.btn-secondary {
    background: var(--gray-200);
    color: var(--gray-700);
}

.btn-secondary:hover {
    background: var(--gray-300);
}

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

.btn-success:hover {
    background: #059669;
}

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.8125rem;
}

/* Compact icon-only action buttons used in product/category/supplier table rows */
.btn-icon-act {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    border: none;
    border-radius: 6px;
    font-size: 0.75rem;
    cursor: pointer;
    transition: opacity 0.15s, transform 0.1s;
    flex-shrink: 0;
}
.btn-icon-act:hover  { opacity: 0.85; transform: scale(1.08); }
.btn-icon-act:active { transform: scale(0.95); }
.btn-act-success { background: #10b981; color: #fff; }
.btn-act-warning { background: #f59e0b; color: #fff; }
.btn-act-primary { background: #4f46e5; color: #fff; }
.btn-act-danger  { background: #ef4444; color: #fff; }

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

/* Forms */
.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 500;
    color: var(--gray-700);
}

.form-control {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-select {
    width: 100%;
    padding: 0.625rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    background: var(--white);
    cursor: pointer;
}

/* Tables */
.table-container {
    background: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background: var(--gray-50);
}

.table th {
    padding: var(--space-md);
    text-align: left;
    font-weight: 600;
    color: var(--gray-700);
    border-bottom: 2px solid var(--gray-200);
}

.table td {
    padding: var(--space-md);
    border-bottom: 1px solid var(--gray-200);
}

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

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-primary {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
}

.badge-success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Modals */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-md);
}

.modal-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gray-900);
}

.close-btn {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--gray-500);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.close-btn:hover {
    color: var(--gray-900);
}

/* Alerts */
.alert {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    color: #92400e;
    border-left: 4px solid var(--warning-color);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    color: #1e40af;
    border-left: 4px solid var(--info-color);
}

/* Search Bar */
.search-bar {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.search-input {
    flex: 1;
    padding: 0.625rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
}

/* Loading Spinner */
.spinner {
    border: 3px solid var(--gray-200);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
}

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

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.9);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 3000;
}

.loading-overlay.active {
    display: flex;
}

/* =============================================
   RESPONSIVE DESIGN
   ============================================= */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        width: 100%;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--space-sm);
    }
}

/* =============================================
   UTILITY CLASSES
   ============================================= */

.text-center { text-align: center; }
.text-right { text-align: right; }
.text-primary { color: var(--primary-color); }
.text-success { color: var(--success-color); }
.text-danger { color: var(--danger-color); }
.text-warning { color: var(--warning-color); }

.mt-1 { margin-top: var(--space-xs); }
.mt-2 { margin-top: var(--space-sm); }
.mt-3 { margin-top: var(--space-md); }

.mb-1 { margin-bottom: var(--space-xs); }
.mb-2 { margin-bottom: var(--space-sm); }
.mb-3 { margin-bottom: var(--space-md); }

.p-1 { padding: var(--space-xs); }
.p-2 { padding: var(--space-sm); }
.p-3 { padding: var(--space-md); }

.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-1 { gap: var(--space-xs); }
.gap-2 { gap: var(--space-sm); }
.gap-3 { gap: var(--space-md); }

.hidden { display: none !important; }

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

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
}

.page-header h1 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.page-header p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* =============================================
   SIDEBAR NAV LINKS (used as <a> elements)
   ============================================= */

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 0.75rem var(--space-lg);
    color: var(--gray-300);
    text-decoration: none;
    transition: var(--transition);
    border-left: 3px solid transparent;
    font-size: 0.9rem;
}

.sidebar-nav a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--white);
    border-left-color: var(--primary-color);
}

.sidebar-nav a.active {
    background: rgba(79, 70, 229, 0.15);
    color: var(--primary-light);
    border-left-color: var(--primary-light);
}

.sidebar-nav a i {
    width: 20px;
    font-size: 1rem;
}

.sidebar-header {
    padding: var(--space-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-light);
}

.sidebar-header i {
    font-size: 1.5rem;
}

.sidebar-footer {
    position: absolute;
    bottom: 0;
    width: 260px;
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-logout {
    width: 100%;
    padding: 0.625rem 1.25rem;
    background: rgba(239, 68, 68, 0.1);
    color: #fca5a5;
    border: 1px solid rgba(239, 68, 68, 0.2);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
    transition: var(--transition);
}

.btn-logout:hover {
    background: rgba(239, 68, 68, 0.2);
    color: var(--white);
}

/* =============================================
   SEARCH BOX / CONTAINER
   ============================================= */

.search-container {
    padding: 0;
}

.search-box {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    padding: 0.5rem 1rem;
    max-width: 400px;
}

.search-box i {
    color: var(--gray-400);
}

.search-box input {
    border: none;
    background: transparent;
    outline: none;
    flex: 1;
    font-size: 0.875rem;
    color: var(--gray-700);
}

/* =============================================
   ACTION BUTTONS (table row actions)
   ============================================= */

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 34px;
    height: 34px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    transition: var(--transition);
}

.btn-edit {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.btn-edit:hover {
    background: var(--info-color);
    color: var(--white);
}

.btn-delete {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.btn-delete:hover {
    background: var(--danger-color);
    color: var(--white);
}

/* =============================================
   BADGE INFO (missing from original)
   ============================================= */

.badge-info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

/* =============================================
   FORM ROW (side by side form fields)
   ============================================= */

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
}

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

/* =============================================
   FILTER CONTAINER
   ============================================= */

.filter-container {
    padding: 0;
}

.filter-container .form-row {
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    align-items: flex-end;
}

/* =============================================
   STAT CARDS (variant classes)
   ============================================= */

.stat-card .stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-primary .stat-icon {
    background: rgba(79, 70, 229, 0.1);
    color: var(--primary-color);
}

.stat-success .stat-icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.stat-warning .stat-icon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

.stat-danger .stat-icon {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.stat-info .stat-icon {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info-color);
}

.stat-details h3 {
    font-size: 1.875rem;
    font-weight: 700;
    color: var(--gray-900);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.stat-details p {
    color: var(--gray-500);
    font-size: 0.875rem;
}

/* =============================================
   PAGINATION
   ============================================= */

.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    padding: var(--space-md);
    border-top: 1px solid var(--gray-200);
}

.pagination span {
    color: var(--gray-600);
    font-size: 0.875rem;
}

/* =============================================
   MODAL (display:block override - HTML uses block not active class)
   ============================================= */

.modal[style*="display: block"],
.modal[style*="display:block"] {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

/* Required field marker */
.required {
    color: var(--danger-color);
}

/* Close button (× span in modal header) */
.modal-header .close {
    font-size: 1.5rem;
    font-weight: 700;
    cursor: pointer;
    color: var(--gray-400);
    line-height: 1;
    border: none;
    background: none;
    padding: 0;
    transition: var(--transition);
}

.modal-header .close:hover {
    color: var(--gray-900);
}

/* Modal footer */
.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--space-sm);
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--gray-200);
}

/* Modal body spacing */
.modal-body {
    padding: var(--space-sm) 0;
}

/* =============================================
   FORM LABEL (label tag without .form-label class)
   ============================================= */

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

/* Loading text cell */
.loading {
    padding: var(--space-lg);
    color: var(--gray-500);
    font-style: italic;
}

/* =============================================
   BUTTON ANIMATIONS & RIPPLE
   ============================================= */

.btn {
    position: relative;
    overflow: hidden;
    transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(79, 70, 229, 0.3);
    filter: brightness(1.06);
}

.btn:active {
    transform: translateY(0) scale(0.97);
    box-shadow: none;
}

.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.45);
    animation: rippleAnim 0.55s linear forwards;
    pointer-events: none;
    transform: scale(0);
}

@keyframes rippleAnim {
    to { transform: scale(4); opacity: 0; }
}

/* Sidebar nav item hover animation */
.nav-item {
    transition: background 0.2s ease, transform 0.2s ease, padding-left 0.2s ease !important;
}

.nav-item:hover {
    transform: translateX(4px);
}

/* Stat card bounce-in on load */
@keyframes cardFadeUp {
    from { opacity: 0; transform: translateY(18px); }
    to   { opacity: 1; transform: translateY(0); }
}

.stat-card {
    animation: cardFadeUp 0.45s ease both;
}

.stats-grid .stat-card:nth-child(1) { animation-delay: 0.05s; }
.stats-grid .stat-card:nth-child(2) { animation-delay: 0.12s; }
.stats-grid .stat-card:nth-child(3) { animation-delay: 0.19s; }
.stats-grid .stat-card:nth-child(4) { animation-delay: 0.26s; }

/* Stat card hover lift */
.stat-card {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0,0,0,0.12);
}

/* btn-logout animation */
.btn-logout {
    transition: background 0.2s ease, transform 0.15s ease !important;
}

.btn-logout:hover {
    transform: translateY(-2px);
}

/* =============================================
   LOW STOCK ALERT BANNER
   ============================================= */

@keyframes alertPulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.5); }
    50%       { box-shadow: 0 0 0 8px rgba(245, 158, 11, 0); }
}

.low-stock-alert-banner {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    background: linear-gradient(135deg, #fffbeb 0%, #fef3c7 100%);
    border: 1.5px solid #f59e0b;
    border-left: 5px solid #f59e0b;
    border-radius: var(--radius-md);
    padding: 0.85rem 1.25rem;
    margin-bottom: 1.25rem;
    animation: alertPulse 2s ease-in-out infinite;
    color: #92400e;
    font-weight: 500;
}

.low-stock-alert-banner .alert-icon {
    font-size: 1.25rem;
    color: #f59e0b;
    flex-shrink: 0;
    animation: alertPulse 1.5s ease-in-out infinite;
}

.low-stock-alert-banner .alert-dismiss {
    margin-left: auto;
    background: none;
    border: none;
    color: #92400e;
    cursor: pointer;
    font-size: 1.1rem;
    opacity: 0.6;
    transition: opacity 0.2s;
    padding: 0 0.25rem;
}

.low-stock-alert-banner .alert-dismiss:hover { opacity: 1; }

/* =============================================
   REPORT BUTTON SPECIAL STYLE
   ============================================= */

.btn-report {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    border: none;
    font-weight: 600;
    letter-spacing: 0.02em;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-report:hover {
    box-shadow: 0 8px 22px rgba(16, 185, 129, 0.45);
    filter: brightness(1.07);
    transform: translateY(-2px);
}

/* =============================================
   LOGIN PAGE BACKGROUND ANIMATION
   ============================================= */

@keyframes floatBubble {
    0%   { transform: translateY(0)   scale(1);    opacity: 0.18; }
    50%  { transform: translateY(-60px) scale(1.08); opacity: 0.28; }
    100% { transform: translateY(0)   scale(1);    opacity: 0.18; }
}

@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to   { transform: rotate(360deg); }
}

@keyframes gradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.login-bg-animated {
    background: linear-gradient(135deg, #667eea, #764ba2, #f64f59, #c471ed, #667eea);
    background-size: 350% 350%;
    animation: gradientShift 10s ease infinite;
}

.login-bubble {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.15);
    animation: floatBubble linear infinite;
    pointer-events: none;
}

/* ── Demo / Guest mode ──────────────────────────────── */
.demo-mode .demo-restricted {
    display: none !important;
}
.demo-mode .btn-icon.btn-edit,
.demo-mode .btn-icon.btn-delete {
    display: none !important;
}

/* Low stock row highlight in products table */
tr.row-low-stock {
    background: linear-gradient(90deg, rgba(254,243,199,0.6) 0%, transparent 100%);
    border-left: 3px solid #f59e0b;
}
tr.row-critical-stock {
    background: linear-gradient(90deg, rgba(254,226,226,0.7) 0%, transparent 100%);
    border-left: 3px solid #ef4444;
}
tr.row-low-stock:hover, tr.row-critical-stock:hover {
    filter: brightness(0.97);
}