:root {
    --sidebar-width: 220px;
    --primary: #2196F3;
    --success: #4CAF50;
    --danger: #f44336;
    --warning: #ff9800;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f5f7fa;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    min-height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    overflow-y: auto;
    z-index: 100;
}

.sidebar .nav-link {
    color: #adb5bd;
    padding: 8px 12px;
    border-radius: 6px;
    margin-bottom: 2px;
    font-size: 0.9rem;
}

.sidebar .nav-link:hover {
    color: #fff;
    background-color: rgba(255, 255, 255, 0.1);
}

.sidebar .nav-link.active {
    color: #fff;
    background-color: var(--primary);
}

.sidebar .nav-link i {
    margin-right: 8px;
    width: 18px;
    text-align: center;
}

/* Main content */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 24px;
    min-height: 100vh;
}

/* KPI Cards */
.kpi-card {
    background: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
}

.kpi-card .kpi-value {
    font-size: 2rem;
    font-weight: 700;
    color: #1a1a2e;
}

.kpi-card .kpi-label {
    font-size: 0.85rem;
    color: #6c757d;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.kpi-card .kpi-icon {
    font-size: 2.5rem;
    opacity: 0.15;
}

/* Tables */
.data-table {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    overflow: hidden;
}

.data-table table {
    margin-bottom: 0;
}

.data-table th {
    background-color: #f8f9fa;
    border-bottom: 2px solid #dee2e6;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: #495057;
    padding: 12px 16px;
}

.data-table td {
    padding: 12px 16px;
    vertical-align: middle;
    font-size: 0.9rem;
}

.data-table tbody tr:hover {
    background-color: #f8f9fa;
}

/* Price badges */
.price-current {
    font-weight: 600;
    font-size: 1rem;
}

.price-lower {
    color: var(--danger);
    font-weight: 600;
}

.price-higher {
    color: var(--success);
    font-weight: 600;
}

.price-equal {
    color: #6c757d;
}

/* Position badges */
.position-badge {
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 600;
    color: #fff;
}

.position-1 { background-color: var(--success); }
.position-2 { background-color: #8bc34a; }
.position-3 { background-color: var(--warning); }
.position-bad { background-color: var(--danger); }

/* Action buttons */
.btn-scan {
    background: var(--primary);
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 6px;
    font-weight: 500;
}

.btn-scan:hover {
    background: #1976D2;
    color: #fff;
}

/* Search bar */
.search-bar {
    background: #fff;
    border-radius: 8px;
    border: 1px solid #dee2e6;
    padding: 8px 16px;
    width: 300px;
}

.search-bar:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

/* Pagination */
.pagination .page-link {
    border-radius: 6px;
    margin: 0 2px;
    color: var(--primary);
}

.pagination .page-item.active .page-link {
    background-color: var(--primary);
    border-color: var(--primary);
}

/* Status badges */
.badge-running { background-color: var(--primary); }
.badge-completed { background-color: var(--success); }
.badge-failed { background-color: var(--danger); }

/* Item thumbnail */
.item-thumb {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: 6px;
    background: #f0f0f0;
}

/* Page header */
.page-header {
    margin-bottom: 24px;
}

.page-header h2 {
    font-weight: 700;
    color: #1a1a2e;
    margin-bottom: 4px;
}

.page-header .subtitle {
    color: #6c757d;
    font-size: 0.9rem;
}

/* Card panels */
.panel {
    background: #fff;
    border-radius: 10px;
    padding: 24px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    border: 1px solid #e9ecef;
    margin-bottom: 24px;
}

/* Item eBay links */
.item-link {
    color: #1a1a2e;
    text-decoration: none;
    transition: color 0.15s;
}

.item-link:hover {
    color: var(--primary);
    text-decoration: underline;
}

.item-link .bi-box-arrow-up-right {
    opacity: 0;
    transition: opacity 0.15s;
}

.item-link:hover .bi-box-arrow-up-right {
    opacity: 1;
}

/* Competitor badge click */
.competitor-badge {
    cursor: pointer;
    transition: transform 0.1s, box-shadow 0.1s;
}

.competitor-badge:hover {
    transform: scale(1.15);
    box-shadow: 0 2px 8px rgba(33, 150, 243, 0.3);
}

/* Competitor modal */
#competitorModal .modal-xl {
    max-width: 1100px;
}

#competitorModal .table td,
#competitorModal .table th {
    padding: 8px 12px;
    font-size: 0.85rem;
    vertical-align: middle;
}

#competitorModal .table-info {
    background-color: rgba(33, 150, 243, 0.08) !important;
    border-left: 3px solid var(--primary);
}