:root {
    --bg-color: #ffffff;
    --table-header-bg: #f8fafc;
    --accent-color: #2563eb;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --warn-color: #dc2626;
    --warn-bg: #fef2f2;
    --border-color: #e2e8f0;
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: #f1f5f9;
    color: var(--text-primary);
    line-height: 1.6;
    padding: 2rem;
}

.app-container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--bg-color);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
}

header {
    margin-bottom: 2rem;
    border-bottom: 2px solid var(--accent-color);
    padding-bottom: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 2rem;
}

.header-main {
    flex: 1;
}

header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

header p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.filter-bar {
    display: flex;
    gap: 1.5rem;
    background: #f8fafc;
    padding: 0.75rem 1.25rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.filter-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.filter-group select,
.filter-group input {
    padding: 6px 10px;
    border-radius: 6px;
    border: 1px solid var(--border-color);
    font-family: inherit;
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.2s;
}

.filter-group select:focus,
.filter-group input:focus {
    border-color: var(--accent-color);
}

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

.search-group input {
    width: 100%;
}

.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th {
    background-color: var(--table-header-bg);
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    vertical-align: middle;
}

tr:hover {
    background-color: #f8fafc;
}

.product-row-header {
    background-color: #f1f5f9;
}

.product-header-cell {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.product-name {
    font-weight: 700;
}

.status-badges {
    display: flex;
    gap: 0.5rem;
    margin-left: auto;
}

.status-badge {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 20px;
    text-transform: uppercase;
}

.status-badge.active {
    background: #dcfce7;
    color: #166534;
}

.status-badge.inactive {
    background: #fee2e2;
    color: #991b1b;
}

.status-badge.archived {
    background: #f1f5f9;
    color: #475569;
    border: 1px solid #cbd5e1;
}

.sales-badge {
    font-size: 0.75rem;
    color: var(--accent-color);
    background: #eff6ff;
    padding: 2px 10px;
    border-radius: 20px;
    border: 1px solid #dbeafe;
    font-weight: 500;
}

.package-row.overweight {
    background-color: var(--warn-bg);
}

.package-row.valid {
    background-color: white;
    opacity: 0.7;
}

.badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    background: #e2e8f0;
    color: var(--text-secondary);
}

.text-warn {
    color: var(--warn-color);
    font-weight: 700;
}

.warn-label {
    font-size: 0.7rem;
    background: var(--warn-color);
    color: white;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 4px;
}

.kod-tovaru {
    font-family: monospace;
    font-weight: 600;
    color: var(--accent-color);
}

.loader,
.error,
.empty {
    text-align: center;
    padding: 3rem;
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.pagination {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.pagination-info {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.pagination-buttons {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.pagination button {
    background: white;
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.pagination button:hover {
    background-color: #f1f5f9;
    border-color: var(--accent-color);
}

.pagination button.active {
    background-color: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.pagination span {
    color: var(--text-secondary);
}