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

:root {
    --primary-color: #f59e0b;
    --primary-dark: #d97706;
    --secondary-color: #fbbf24;
    --background: #1a1a1a;
    --card-bg: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --success: #10b981;
    --danger: #ef4444;
    --shadow: rgba(0, 0, 0, 0.3);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
    padding-bottom: 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
}

/* Header */
.header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    border-radius: 1rem;
    box-shadow: 0 4px 20px var(--shadow);
}

.header h1 {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.header-info {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.last-update {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

/* MQTT Status im Header (klein) */
.mqtt-status-small {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 1rem;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.8);
}

.status-dot-small {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    animation: pulse 2s infinite;
}

.mqtt-status-small.connected .status-dot-small {
    background: #10b981;
}

.mqtt-status-small.disconnected .status-dot-small {
    background: #ef4444;
}

.status-text-small {
    font-weight: 500;
}

/* Aktuelle Werte */
.current-values {
    margin-bottom: 2rem;
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.value-card {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 1.5rem;
    box-shadow: 0 4px 20px var(--shadow);
    display: flex;
    align-items: center;
    gap: 1.5rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.value-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px var(--shadow);
}

.value-icon {
    font-size: 3rem;
    flex-shrink: 0;
}

.counter-icon {
    font-size: 2rem;
}

.value-content {
    flex: 1;
}

.value-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.value-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--primary-color);
    line-height: 1;
}

.value-number.small {
    font-size: 1.8rem;
}

.value-unit {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.value-unit.small {
    font-size: 0.9rem;
}


.consumption-icon {
    font-size: 2rem;
}

/* Ansichts-Auswahl */
.view-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.view-btn {
    flex: 1;
    min-width: 100px;
    padding: 0.75rem 1.5rem;
    background: var(--card-bg);
    color: var(--text-primary);
    border: 2px solid transparent;
    border-radius: 0.5rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.view-btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-color);
}

.view-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: bold;
}

/* Zeitraum-Auswahl */
.timeframe-selector {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.timeframe-btn {
    flex: 1;
    min-width: 100px;
    padding: 0.75rem 1.5rem;
    background: var(--card-bg);
    color: var(--text-primary);
    border: 2px solid transparent;
    border-radius: 0.5rem;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.timeframe-btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-color);
}

.timeframe-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: bold;
}

/* Charts */
.chart-container {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 4px 20px var(--shadow);
}

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

.chart-container h2 {
    margin: 0;
    font-size: 1.3rem;
    color: var(--primary-color);
}

/* Leistungsverlauf Zeitraum-Auswahl */
.power-timeframe-selector {
    display: flex;
    gap: 0.35rem;
    flex-wrap: wrap;
}

.power-timeframe-btn {
    padding: 0.4rem 0.75rem;
    background: rgba(245, 158, 11, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 0.4rem;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 500;
}

.power-timeframe-btn:hover {
    background: rgba(245, 158, 11, 0.2);
    border-color: var(--primary-color);
}

.power-timeframe-btn.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    font-weight: bold;
}

canvas {
    max-height: 300px;
}

/* Stecker08 Header */
.stecker08-header-right {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    align-items: flex-end;
}

/* Stecker08 Statistiken */
.stecker08-stats {
    display: flex;
    justify-content: space-around;
    gap: 1rem;
    padding: 0.5rem 1rem;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 0.5rem;
    flex-wrap: wrap;
}

.stecker08-stat-item {
    text-align: center;
    flex: 1;
    min-width: 120px;
}

.stecker08-stat-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.stecker08-stat-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 0.25rem;
}

.stecker08-stat-unit {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Zählerstände Info (klein, unten) */
.counter-info {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px var(--shadow);
}

.counter-info h3 {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    text-align: center;
}

.counter-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.counter-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 0.5rem;
}

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

.counter-value {
    font-size: 1.1rem;
    font-weight: bold;
    color: var(--primary-color);
}

/* Kosten-Badge */
.cost-badge {
    font-size: 0.85rem;
    color: var(--success);
    margin-top: 0.25rem;
    font-weight: 600;
}

/* Kosten-Info */
.cost-info {
    background: var(--card-bg);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
    box-shadow: 0 2px 10px var(--shadow);
}

.cost-info h3 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    text-align: center;
}

.cost-details {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.cost-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem;
    background: rgba(245, 158, 11, 0.05);
    border-radius: 0.5rem;
}

.cost-row.highlight {
    background: rgba(245, 158, 11, 0.15);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

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

.cost-value {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-color);
}

.cost-value.surplus {
    color: var(--success);
}

.cost-value.deficit {
    color: var(--danger);
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .header h1 {
        font-size: 1.5rem;
    }
    
    .values-grid {
        grid-template-columns: 1fr;
    }
    
    .value-number {
        font-size: 2rem;
    }
    
    .value-number.small {
        font-size: 1.5rem;
    }
    
    .counters-grid {
        grid-template-columns: 1fr;
    }
    
    .timeframe-selector {
        flex-direction: column;
    }
    
    .timeframe-btn {
        width: 100%;
    }
}

/* Loading Animation */
@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}