/* Reset & Base Variables */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', 'Inter', sans-serif;
}

:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #131929;
    --bg-tertiary: #1b2338;
    --text-primary: #f1f5f9;
    --text-secondary: #94a3b8;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.15);
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
    --warning: #f59e0b;
    --warning-bg: rgba(245, 158, 11, 0.1);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.1);
    --info: #0ea5e9;
    --info-bg: rgba(14, 165, 233, 0.1);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-focus: rgba(99, 102, 241, 0.5);
    --card-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-bg: rgba(19, 25, 41, 0.6);
    --glass-blur: blur(12px);
    
    --sidebar-width: 260px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    min-height: 100vh;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}

/* Helper Utilities */
.mb-3 { margin-bottom: 1rem; }
.mt-3 { margin-top: 1rem; }
.mr-2 { margin-right: 0.5rem; }
.success-text { color: var(--success); }
.danger-text { color: var(--danger); }
.warning-text { color: var(--warning); }
.info-text { color: var(--info); }

/* Screens toggler */
.screen {
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.screen.active {
    display: flex;
    opacity: 1;
}

/* 1. LOGIN SCREEN STYLING */
#login-screen {
    justify-content: center;
    align-items: center;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at top right, #1e1b4b, var(--bg-primary) 60%);
    position: relative;
}

.glow-sphere {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.15) 0%, rgba(0,0,0,0) 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1;
    pointer-events: none;
}

.login-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    z-index: 2;
}

.login-logo {
    text-align: center;
    margin-bottom: 30px;
}

.logo-icon {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 15px;
    filter: drop-shadow(0 0 10px rgba(99, 102, 241, 0.5));
}

.login-logo h2 {
    font-weight: 800;
    letter-spacing: 1px;
}

.login-logo h2 span {
    color: var(--accent);
}

.login-logo p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 5px;
}

/* Forms general */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 8px;
    font-size: 0.95rem;
    outline: none;
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 20px;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent);
    cursor: pointer;
}

.form-checkbox label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    user-select: none;
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    outline: none;
}

.btn-block {
    width: 100%;
    padding: 14px;
}

.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-hover);
    box-shadow: 0 0 15px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}
.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
}

.btn-accent {
    background: var(--info);
    color: #fff;
}
.btn-accent:hover {
    background: #0284c7;
    box-shadow: 0 0 15px rgba(14, 165, 233, 0.4);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 0.8rem;
}

/* 2. MAIN APP SCREEN STYLING */
#main-screen {
    width: 100vw;
    height: 100vh;
    flex-direction: row;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-brand {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid var(--border-color);
    text-decoration: none;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.2s ease;
}

.sidebar-brand:hover {
    background: rgba(255, 255, 255, 0.03);
}

.brand-icon {
    font-size: 1.8rem;
    color: var(--accent);
    transition: transform 0.25s ease;
}

.sidebar-brand:hover .brand-icon {
    transform: scale(1.08) rotate(4deg);
}

.sidebar-brand h2 {
    font-size: 1.25rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--text-primary);
    margin: 0;
}

.sidebar-brand h2 span {
    color: var(--accent);
}

.sidebar-menu {
    padding: 20px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    flex-grow: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s ease;
}

.menu-item i {
    width: 20px;
    text-align: center;
}

.menu-item:hover,
.menu-item.active {
    color: #fff;
    background: rgba(255, 255, 255, 0.04);
}

.menu-item.active {
    color: #fff;
    background: var(--accent-glow);
    border-left: 3px solid var(--accent);
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.sidebar-user {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: var(--accent);
    color: #fff;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 600;
}

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

.btn-logout {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.1rem;
    transition: color 0.2s ease;
}
.btn-logout:hover {
    color: var(--danger);
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    overflow-y: auto;
    padding: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 20px;
}

.header-title h1 {
    font-size: 1.75rem;
    font-weight: 700;
}

.header-title p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 4px;
}

.status-indicator {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-indicator::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    display: inline-block;
    box-shadow: 0 0 8px var(--success);
}

.status-indicator.online {
    background: var(--success-bg);
    color: var(--success);
}

/* Tab Contents Toggle */
.tab-content {
    display: none;
    flex-direction: column;
    gap: 24px;
}
.tab-content.active {
    display: flex;
}

/* Stats Dashboard Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.category-color { background: var(--info-bg); color: var(--info); }
.product-color { background: var(--accent-glow); color: var(--accent); }
.warehouse-color { background: var(--warning-bg); color: var(--warning); }
.stock-color { background: var(--success-bg); color: var(--success); }

.stat-info .stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.stat-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 4px;
}

/* Details Cards */
.details-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1.05rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.card-body {
    padding: 24px;
}

/* Dashboard Grid split */
.dashboard-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

/* Tables general */
.table-responsive {
    overflow-x: auto;
    width: 100%;
}

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

.table th,
.table td {
    padding: 14px 16px;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.table th {
    font-weight: 600;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
}

.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.01);
}

/* Actions in tables */
.table-actions {
    display: flex;
    gap: 8px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-icon:hover {
    color: #fff;
}

.btn-icon.edit-btn:hover {
    border-color: var(--info);
    color: var(--info);
}

.btn-icon.delete-btn:hover {
    border-color: var(--danger);
    color: var(--danger);
}

.btn-icon.variant-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* Labels & Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-active,
.badge-instock {
    background: var(--success-bg);
    color: var(--success);
}

.badge-inactive,
.badge-outofstock {
    background: var(--danger-bg);
    color: var(--danger);
}

.badge-lowstock {
    background: var(--warning-bg);
    color: var(--warning);
}

/* Categories page split */
.category-grid {
    display: grid;
    grid-template-columns: 35% 65%;
    gap: 24px;
}

/* Category tree container */
.category-node {
    margin-left: 20px;
    position: relative;
    padding-left: 10px;
}

.category-node::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 1px;
    height: 100%;
    background: var(--border-color);
}

.category-node-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid transparent;
    margin-bottom: 4px;
    transition: all 0.2s ease;
}

.category-node-header:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.category-node-name {
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 500;
}

.category-node-name i {
    color: var(--accent);
}

.category-node-actions {
    display: flex;
    gap: 6px;
}

.category-node-actions button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 4px;
    transition: color 0.2s ease;
}

.category-node-actions button:hover {
    color: #fff;
}

/* Products action bar & Search */
.section-actions-grid {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-bar {
    position: relative;
    width: 300px;
}

.search-bar i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-secondary);
}

.search-bar input {
    width: 100%;
    padding: 10px 16px 10px 40px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 0.9rem;
    outline: none;
}

.search-bar input:focus {
    border-color: var(--border-focus);
}

.pagination-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
}

.pagination-info {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pagination-buttons {
    display: flex;
    gap: 10px;
}

/* Inventory Action Bar */
.inventory-actions-bar {
    display: flex;
    gap: 12px;
    align-items: center;
}

.filter-dropdown-group select {
    background: var(--bg-secondary);
    padding: 10px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    outline: none;
    font-size: 0.9rem;
}

/* Product list variant tags */
.variant-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.variant-tag-pill {
    font-size: 0.75rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 4px 8px;
    border-radius: 4px;
    color: var(--text-secondary);
}

/* 3. MODAL DIALOGS */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(6, 8, 14, 0.85);
    backdrop-filter: blur(4px);
    justify-content: center;
    align-items: center;
}

.modal.active {
    display: flex;
}

/* Modal biến thể mở lồng phía trên modal quản lý biến thể */
#variant-modal {
    z-index: 1100;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: var(--card-shadow);
    border-radius: 16px;
    width: 90%;
    max-width: 500px;
    animation: modalShow 0.3s ease;
    display: flex;
    flex-direction: column;
}

.modal-lg {
    max-width: 750px;
}

.modal-xl {
    max-width: 1050px;
    width: 95%;
}

.modal-body {
    padding: 24px;
    overflow-y: auto;
    max-height: calc(85vh - 140px);
}

.modal-content > .modal-footer {
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border-color);
    margin-top: 0;
}

/* Warehouse Allocation List in Variants Modal */
.wh-alloc-container {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 250px;
}

.wh-alloc-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    padding: 5px 10px;
    border-radius: 6px;
    line-height: 1.4;
    transition: all 0.2s ease;
}

.wh-alloc-item:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(99, 102, 241, 0.3);
}

.wh-badge {
    font-size: 0.75rem;
    font-weight: 600;
    font-family: monospace;
    background: var(--bg-tertiary);
    color: var(--accent);
    padding: 2px 7px;
    border-radius: 4px;
    border: 1px solid rgba(99, 102, 241, 0.25);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.wh-badge i {
    font-size: 0.7rem;
}

.wh-qty {
    color: var(--text-primary);
    white-space: nowrap;
}

.wh-qty strong {
    color: #fff;
}

.wh-avail {
    color: var(--text-secondary);
    font-size: 0.78rem;
    margin-left: 3px;
}

.wh-avail strong {
    color: var(--success);
}

.wh-bin {
    font-size: 0.72rem;
    color: var(--info);
    background: var(--info-bg);
    border: 1px solid rgba(14, 165, 233, 0.2);
    padding: 2px 6px;
    border-radius: 4px;
    white-space: nowrap;
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Options Builder in Variants Modal */
.options-builder-section {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    margin-bottom: 20px;
}

.options-groups-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.option-group-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px 16px;
    position: relative;
    transition: border-color 0.2s;
}

.option-group-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
}

.option-group-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.option-group-title {
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.option-name-input-row {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.option-name-input {
    width: 220px;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: #fff;
    font-size: 0.85rem;
}

.option-quick-suggestions {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    align-items: center;
}

.quick-chip {
    font-size: 0.75rem;
    padding: 3px 8px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.quick-chip:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* Tag Input */
.tag-input-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    min-height: 42px;
}

.tag-input-container:focus-within {
    border-color: var(--border-focus);
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(99, 102, 241, 0.15);
    color: #c7d2fe;
    border: 1px solid rgba(99, 102, 241, 0.3);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 0.82rem;
    font-weight: 500;
}

.tag-chip .remove-tag-btn {
    cursor: pointer;
    color: var(--text-secondary);
    transition: color 0.2s;
    font-size: 0.8rem;
}

.tag-chip .remove-tag-btn:hover {
    color: var(--danger);
}

.tag-input-field {
    border: none;
    outline: none;
    background: transparent;
    color: #fff;
    font-size: 0.85rem;
    min-width: 140px;
    flex: 1;
    padding: 4px 6px;
}

/* Batch Apply Bar */
.batch-apply-container {
    margin-bottom: 16px;
}

.batch-apply-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(99, 102, 241, 0.08);
    border: 1px solid rgba(99, 102, 241, 0.25);
    padding: 10px 16px;
    border-radius: 8px;
    flex-wrap: wrap;
}

.batch-title {
    font-size: 0.85rem;
    font-weight: 600;
    color: #c7d2fe;
    display: flex;
    align-items: center;
    gap: 6px;
}

.batch-input-group {
    display: flex;
    gap: 6px;
    align-items: center;
}

.batch-input-group input {
    width: 130px;
    padding: 6px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: #fff;
    font-size: 0.85rem;
}

/* Matrix Table */
.variants-matrix-table input.matrix-input {
    width: 100%;
    min-width: 90px;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: #fff;
    font-size: 0.85rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.variants-matrix-table input.matrix-input:focus {
    border-color: var(--border-focus);
    outline: none;
}

.variants-matrix-table td {
    vertical-align: middle;
}

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

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.15rem;
    font-weight: 700;
}

.modal-close {
    font-size: 1.5rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: #fff;
}

.modal-content form {
    padding: 24px;
}

.form-row {
    display: flex;
    gap: 15px;
}

.col-6 {
    flex: 1;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    margin-top: 24px;
}

/* Attributes Box for Variant Modal */
.attributes-box {
    border: 1px dashed var(--border-color);
    border-radius: 8px;
    padding: 16px;
    background: rgba(255,255,255,0.01);
    margin-bottom: 20px;
}

.section-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.attribute-row {
    display: flex;
    gap: 10px;
    margin-bottom: 10px;
    align-items: center;
}

.attribute-row input {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: #fff;
    border-radius: 6px;
    font-size: 0.85rem;
}

.btn-remove-attr {
    background: none;
    border: none;
    color: var(--danger);
    cursor: pointer;
    font-size: 0.95rem;
    padding: 6px;
}

/* 4. TOAST NOTIFICATIONS */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    z-index: 9999;
}

.toast {
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    min-width: 300px;
    animation: toastIn 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
}

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

.toast-success { border-left-color: var(--success); }
.toast-success i { color: var(--success); }

.toast-error { border-left-color: var(--danger); }
.toast-error i { color: var(--danger); }

.toast-info { border-left-color: var(--info); }
.toast-info i { color: var(--info); }

.input-hint {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 6px;
}