:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #1abc9c;
    --background-color: #f5f7fa;
    --text-color: #333;
    --card-background: #fff;
    --border-color: #e1e5e8;
    --success-color: #2ecc71;
    --warning-color: #f39c12;
    --danger-color: #e74c3c;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #1abc9c;
    --background-color: #1a1a2e;
    --text-color: #f5f5f5;
    --card-background: #16213e;
    --border-color: #0f3460;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    transition: var(--transition);
    min-height: 100vh;
}

header {
    background-color: var(--card-background);
    padding: 1rem;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 1.5rem;
}

.logo i {
    color: var(--accent-color);
}

.theme-toggle {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle:hover {
    color: var(--accent-color);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem;
}

.tabs {
    display: flex;
    background-color: var(--card-background);
    border-radius: 8px;
    overflow: hidden;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}

.tab {
    padding: 1rem 1.5rem;
    cursor: pointer;
    transition: var(--transition);
    border-bottom: 3px solid transparent;
    flex: 1;
    text-align: center;
    font-weight: 500;
}

.tab.active {
    border-bottom: 3px solid var(--accent-color);
    color: var(--accent-color);
}

.tab:hover:not(.active) {
    background-color: rgba(26, 188, 156, 0.1);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.filters {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    background-color: var(--card-background);
    padding: 1rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 500;
    font-size: 0.9rem;
}

.filter-group select,
.filter-group input {
    padding: 0.5rem;
    border-radius: 4px;
    border: 1px solid var(--border-color);
    background-color: var(--background-color);
    color: var(--text-color);
}

.filter-group button {
    padding: 0.5rem 1rem;
    background-color: var(--accent-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

.filter-group button:hover {
    background-color: #16a085;
}

.dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 1.5rem;
    box-shadow: var(--shadow);
    display: flex;
    flex-direction: column;
    transition: var(--transition);
}

.kpi-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.kpi-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.kpi-title {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    opacity: 0.8;
}

.kpi-icon {
    font-size: 1.2rem;
    color: var(--accent-color);
}

.kpi-value {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.kpi-change {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
}

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

.kpi-change.negative {
    color: var(--danger-color);
}

.sparkline {
    height: 40px;
    margin-top: 1rem;
}

.chart-container {
    background-color: var(--card-background);
    border-radius: 8px;
    padding: 1rem;
    box-shadow: var(--shadow);
    margin-bottom: 1.5rem;
    height: 400px; /* Statisk höjd för chart-container */
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.chart-title {
    font-weight: 600;
    font-size: 1.1rem;
}

.chart-actions {
    display: flex;
    gap: 0.5rem;
}

.chart-actions button {
    background: none;
    border: none;
    color: var(--text-color);
    cursor: pointer;
    transition: var(--transition);
}

.chart-actions button:hover {
    color: var(--accent-color);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--card-background);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.data-table th,
.data-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    background-color: rgba(26, 188, 156, 0.1);
    font-weight: 500;
    cursor: pointer;
}

.data-table th:hover {
    background-color: rgba(26, 188, 156, 0.2);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover {
    background-color: rgba(0, 0, 0, 0.03);
}

.pagination {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
}

.pagination-btn {
    padding: 0.5rem 1rem;
    border: 1px solid var(--border-color);
    background-color: var(--card-background);
    color: var(--text-color);
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
}

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

.export-btn {
    padding: 0.5rem 1rem;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.export-btn:hover {
    background-color: #1e2b38;
}

.error {
    background-color: var(--danger-color);
    color: white;
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

@media (max-width: 768px) {
    .dashboard {
        grid-template-columns: 1fr;
    }

    .filters {
        grid-template-columns: 1fr;
    }

    .data-table {
        font-size: 0.85rem;
    }

    .data-table th,
    .data-table td {
        padding: 0.75rem;
    }
    
    .chart-container {
        height: 300px; /* Mindre höjd för mobilenheter */
    }
}

.connection-status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-right: 1rem;
    font-size: 0.8rem;
    opacity: 0.9;
    transition: var(--transition);
}

.connection-icon {
    display: flex;
    align-items: center;
    animation: pulse 2s infinite;
}

.connection-text {
    font-weight: 500;
}

@keyframes pulse {
    0% {
        opacity: 0.6;
    }
    50% {
        opacity: 1;
    }
    100% {
        opacity: 0.6;
    }
}