/* Global Styles - Dark Mode Terminal Theme */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #00ff41;
        --secondary-color: #00d4aa;
        --success-color: #00ff41;
        --warning-color: #ffaa00;
        --danger-color: #ff4444;
        --bg-color: #0a0e27;
        --card-bg: #151b35;
        --text-color: #e0e0e0;
        --text-dim: #8892b0;
        --border-color: #1e2a4a;
        --shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
}

body {
    font-family: 'Courier New', 'Consolas', monospace;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.4;
        font-size: 13px;
}

/* Header */
header {
    background: linear-gradient(135deg, #0a0e27, #151b35);
        border-bottom: 2px solid var(--primary-color);
        color: var(--primary-color);
        padding: 0.8rem 1rem;
    box-shadow: var(--shadow);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

header h1 {
    font-size: 1.3rem;
        font-weight: 700;
        letter-spacing: 1px;
}

.health-badge {
    background: rgba(0, 255, 65, 0.1);
        border: 1px solid var(--primary-color);
        padding: 0.3rem 0.8rem;
        border-radius: 3px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
}

#health-indicator {
    font-size: 1.2rem;
    animation: pulse 2s infinite;
}

#health-indicator.healthy {
    color: var(--success-color);
}

#health-indicator.unhealthy {
    color: var(--danger-color);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Container */
.container {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0.8rem;
}

/* DHT22 Data Visibility Control */
.dht22-data {
    display: none;
}

.dht22-visible .dht22-data {
    display: block;
}

/* Table cell specific hiding */
table th.dht22-data,
table td.dht22-data {
    display: none;
}

.dht22-visible table th.dht22-data,
.dht22-visible table td.dht22-data {
    display: table-cell;
}

.unreliable-badge {
    font-size: 0.7rem;
    color: var(--warning-color);
    font-weight: normal;
    padding: 0.1rem 0.3rem;
    background: rgba(255, 170, 0, 0.1);
    border: 1px solid var(--warning-color);
    border-radius: 2px;
    vertical-align: middle;
}

/* Section Styles */
section {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
        border-radius: 3px;
        padding: 0.8rem;
        margin-bottom: 0.8rem;
    box-shadow: var(--shadow);
}

section h2 {
    color: var(--primary-color);
    margin-bottom: 0.6rem;
        padding-bottom: 0.3rem;
        border-bottom: 1px solid var(--border-color);
        font-size: 1rem;
        text-transform: uppercase;
        letter-spacing: 1px;
}

section h3 {
    color: var(--secondary-color);
        margin-bottom: 0.4rem;
        font-size: 0.9rem;
}

/* Filter Controls */
.filter-controls {
    display: flex;
    gap: 0.8rem;
    flex-wrap: wrap;
    align-items: flex-end;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.filter-group label {
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--primary-color);
}

.filter-group select {
    padding: 0.4rem;
    border: 1px solid var(--border-color);
    border-radius: 2px;
        font-size: 0.85rem;
        min-width: 140px;
        background-color: var(--bg-color);
        color: var(--text-color);
        font-family: inherit;
}

.btn-primary {
    background-color: var(--primary-color);
        color: var(--bg-color);
    border: none;
    padding: 0.4rem 1rem;
        border-radius: 2px;
    cursor: pointer;
    font-size: 0.85rem;
        font-weight: 700;
        font-family: inherit;
    transition: background-color 0.3s;
    text-transform: uppercase;
}

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

.btn-secondary {
    background: rgba(0, 212, 170, 0.1);
    color: var(--secondary-color);
    border: 1px solid var(--secondary-color);
    padding: 0.4rem 0.8rem;
    border-radius: 3px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.85rem;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(0, 212, 170, 0.2);
    border-color: var(--primary-color);
}

.btn-secondary:active {
    transform: translateY(1px);
}

/* Devices Grid */
.devices-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        gap: 0.6rem;
}

.device-card {
    border: 1px solid var(--border-color);
        border-radius: 2px;
        padding: 0.6rem;
    transition: transform 0.2s, box-shadow 0.2s;
}

.device-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 255, 65, 0.2);
}

.device-card.online {
    border-color: var(--success-color);
    background: linear-gradient(135deg, var(--card-bg), rgba(0, 255, 65, 0.05));
}

.device-card.warning {
    border-color: var(--warning-color);
    background: linear-gradient(135deg, var(--card-bg), rgba(255, 170, 0, 0.05));
}

.device-card.offline {
    border-color: var(--danger-color);
    background: linear-gradient(135deg, var(--card-bg), rgba(255, 68, 68, 0.05));
}

.device-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.device-id {
    font-weight: 700;
        font-size: 0.95rem;
    color: var(--primary-color);
}

.status-badge {
    padding: 0.2rem 0.6rem;
        border-radius: 2px;
        font-size: 0.7rem;
        font-weight: 700;
    text-transform: uppercase;
}

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

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

.status-badge.offline {
    background-color: var(--danger-color);
    color: var(--bg-color);
}

.device-info {
    font-size: 0.8rem;
        color: var(--text-dim);
}

.device-info div {
    margin: 0.2rem 0;
}

.device-info strong {
    color: var(--text-color);
}

/* Latest Data Table */
.data-table {
    width: 100%;
    border-collapse: collapse;
    overflow-x: auto;
    display: block;
}

.data-table table {
    width: 100%;
    min-width: 800px;
}

.data-table th,
.data-table td {
    padding: 0.4rem 0.6rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.8rem;
}

.data-table th {
    background-color: rgba(0, 255, 65, 0.1);
        color: var(--primary-color);
        font-weight: 700;
    position: sticky;
    top: 0;
    text-transform: uppercase;
}

.data-table tr:hover {
    background-color: rgba(0, 212, 170, 0.05);
}

.data-table td {
    color: var(--text-dim);
}

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.8rem;
}
.chart-container {
    background: rgba(0, 0, 0, 0.2);
        padding: 0.6rem;
        border-radius: 2px;
        border: 1px solid var(--border-color);
}

.chart-container canvas {
    max-height: 250px;
}

/* Statistics Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 0.6rem;
}

.stat-card {
    background: linear-gradient(135deg, rgba(0, 255, 65, 0.15), rgba(0, 212, 170, 0.1));
        border: 1px solid var(--primary-color);
        color: var(--text-color);
        padding: 0.8rem;
        border-radius: 2px;
    text-align: center;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
        color: var(--primary-color);
}

.stat-label {
    font-size: 0.75rem;
        opacity: 0.8;
        text-transform: uppercase;
    }
    
    /* Query Section */
    .query-controls {
        display: flex;
        gap: 0.6rem;
        margin-bottom: 0.6rem;
        align-items: center;
    }
    
    .query-controls select {
        flex: 1;
        padding: 0.4rem;
        border: 1px solid var(--border-color);
        border-radius: 2px;
        font-size: 0.85rem;
        background-color: var(--bg-color);
        color: var(--text-color);
        font-family: inherit;
    }
    
    .query-input-group {
        margin-bottom: 0.6rem;
    }
    
    .query-input-group textarea {
        width: 100%;
        padding: 0.5rem;
        border: 1px solid var(--border-color);
        border-radius: 2px;
        font-size: 0.85rem;
        background-color: var(--bg-color);
        color: var(--text-color);
        font-family: inherit;
        min-height: 60px;
        resize: vertical;
    }
    
    .query-results {
        max-height: 400px;
        overflow: auto;
        background: rgba(0, 0, 0, 0.3);
        border: 1px solid var(--border-color);
        border-radius: 2px;
        padding: 0.6rem;
    }
    
    .query-results table {
        width: 100%;
        border-collapse: collapse;
        font-size: 0.8rem;
    }
    
    .query-results th,
    .query-results td {
        padding: 0.3rem 0.5rem;
        text-align: left;
        border-bottom: 1px solid var(--border-color);
    }
    
    .query-results th {
        background-color: rgba(0, 255, 65, 0.1);
        color: var(--primary-color);
        font-weight: 700;
        position: sticky;
        top: 0;
    }
    
    .query-results td {
        color: var(--text-dim);
    }
    
    .query-error {
        color: var(--danger-color);
        padding: 0.5rem;
        font-size: 0.85rem;
}

/* Loading and Empty States */
.loading {
    text-align: center;
    padding: 1rem;
        color: var(--text-dim);
    font-style: italic;
    font-size: 0.85rem;
}

.empty-state {
    text-align: center;
    padding: 1.5rem;
        color: var(--text-dim);
        font-size: 0.85rem;
}

.empty-state p {
    margin-bottom: 0.3rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        gap: 0.5rem;
    }

    .filter-controls {
        flex-direction: column;
        align-items: stretch;
    }

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

        .charts-grid {
            grid-template-columns: 1fr;
        }
    .data-table {
        font-size: 0.75rem;
    }
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.device-card,
.stat-card {
    animation: fadeIn 0.3s ease-out;
}