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

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --bg-color: #f8fafc;
    --card-bg: #ffffff;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px;
}

header {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    margin-bottom: 30px;
}

header h1 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

nav {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.nav-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color);
    background: var(--card-bg);
    color: var(--text-color);
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    transition: all 0.2s;
}

.nav-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

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

.view {
    display: none;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.view.active {
    display: block;
}

.view h2 {
    margin-bottom: 20px;
    color: var(--text-color);
}

/* Form Styles */
.form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 20px;
}

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

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: #1d4ed8;
}

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

.btn-secondary:hover {
    background: #475569;
}

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

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

/* Location Filter */
.location-filter {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--card-bg);
    border-radius: 8px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.location-filter label {
    font-weight: 500;
    white-space: nowrap;
}

.location-filter select {
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
    min-width: 200px;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(500px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-wrapper {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
}

.chart-wrapper h3 {
    margin-bottom: 15px;
    color: var(--text-color);
    font-size: 18px;
}

.chart-description {
    margin-top: 10px;
    font-size: 12px;
    color: var(--secondary-color);
    font-style: italic;
}

/* Chart Container */
.chart-container {
    height: 300px;
    position: relative;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.stat-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary-color);
}

.stat-card h3 {
    font-size: 14px;
    color: var(--secondary-color);
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 32px;
    font-weight: bold;
    color: var(--text-color);
}

/* Table Styles */
.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.filter-bar select,
.filter-bar input {
    padding: 8px 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 14px;
}

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

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--card-bg);
}

table thead {
    background: var(--bg-color);
}

table th,
table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

table th {
    font-weight: 600;
    color: var(--text-color);
}

table tr:hover {
    background: var(--bg-color);
}

.table-actions {
    display: flex;
    gap: 8px;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    overflow: auto;
}

.modal-content {
    background-color: var(--card-bg);
    margin: 50px auto;
    padding: 30px;
    border-radius: 8px;
    max-width: 600px;
    box-shadow: var(--shadow-lg);
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    color: var(--secondary-color);
    cursor: pointer;
}

.close:hover {
    color: var(--text-color);
}

/* Info Box */
.info-box {
    background: var(--bg-color);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    border-left: 4px solid var(--primary-color);
}

.info-box pre {
    background: var(--card-bg);
    padding: 15px;
    border-radius: 6px;
    overflow-x: auto;
    margin-top: 10px;
}

.info-box code {
    background: var(--bg-color);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
}

/* Home Assistant */
.ha-config,
.ha-sync {
    margin-bottom: 30px;
    padding: 20px;
    background: var(--bg-color);
    border-radius: 8px;
}

.ha-sync {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Messages */
.message {
    padding: 15px;
    border-radius: 6px;
    margin-bottom: 20px;
}

.message-success {
    background: #d1fae5;
    color: #065f46;
    border-left: 4px solid var(--success-color);
}

.message-error {
    background: #fee2e2;
    color: #991b1b;
    border-left: 4px solid var(--danger-color);
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    .view {
        padding: 20px;
    }

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

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

    .filter-bar {
        flex-direction: column;
    }

    .filter-bar select,
    .filter-bar input {
        width: 100%;
    }

    table {
        font-size: 14px;
    }

    .table-actions {
        flex-direction: column;
    }
}