/* Globale Stile und Variablen */
:root {
    --bg-color: #1a1a2e;
    --card-color: #16213e;
    --accent-color: #0f3460;
    --highlight-color: #3EC1D3;
    --text-color: #e0e0e0;
    --text-muted-color: #a0a0a0;
    --trend-up: #e74c3c;
    --trend-down: #3498db;
    --trend-stable: #95a5a6;
}

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

body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    padding: 20px;
}

.dashboard-container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    flex-wrap: wrap;
}
header h1 {
    font-size: 2rem;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 15px;
}
.back-link {
    text-decoration: none;
    color: var(--text-muted-color);
    transition: color 0.2s;
}
.back-link:hover {
    color: var(--highlight-color);
}
.back-link i {
    margin-right: 8px;
}

/* Basis-Karten-Stil */
.card {
    background-color: var(--card-color);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.error-card {
    background-color: var(--trend-up);
    color: white;
    text-align: center;
    padding: 20px;
}


/* --- GRID-LAYOUT --- */
.dashboard-grid {
    display: grid;
    grid-template-columns: 3fr 1fr;
    grid-template-rows: auto;
    gap: 20px;
}

.main-content {
    grid-column: 1 / 2;
    display: flex;
    flex-direction: column;
}

.sensor-selection-container {
    grid-column: 2 / 3;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

/* --- DIAGRAMM-BEREICH --- */
.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    flex-wrap: wrap;
    gap: 10px;
}
.chart-header h3 {
    font-size: 1.2rem;
    font-weight: 500;
}
.chart-controls {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}
.timespan-group {
    display: flex;
    gap: 5px;
}
.chart-controls button {
    background-color: var(--accent-color);
    color: var(--text-muted-color);
    border: none;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
}
.chart-controls button:hover {
    color: var(--text-color);
}
.chart-controls button.active {
    background-color: var(--highlight-color);
    color: var(--bg-color);
    font-weight: 600;
}
.chart-container {
    flex-grow: 1;
    position: relative;
    min-height: 400px;
}

/* --- SENSOR-AUSWAHL-KARTEN --- */
.sensor-card {
    background-color: var(--card-color);
    border-radius: 10px;
    padding: 15px;
    border-left: 5px solid var(--accent-color);
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}
.sensor-card:hover {
    transform: translateX(-5px);
    background-color: var(--accent-color);
}
.sensor-card.active {
    border-left-color: var(--highlight-color);
    box-shadow: 0 0 15px rgba(62, 193, 211, 0.3);
    background-color: #1f3052;
}

.sensor-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 10px;
}
.sensor-header i {
    font-size: 1.5rem;
    color: var(--highlight-color);
}
.sensor-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
}

.sensor-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.primary-data {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.current-temp {
    font-size: 2.2rem;
    font-weight: 700;
}
.trend-icon {
    font-size: 1.5rem;
}
.trend-icon.up { color: var(--trend-up); }
.trend-icon.down { color: var(--trend-down); }
.trend-icon.stable { color: var(--trend-stable); }

.secondary-data {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
    color: var(--text-muted-color);
}
.humidity-info, .min-max-info {
    display: flex;
    align-items: center;
    gap: 5px;
}
.min-max-info span {
    margin-left: 5px;
}

.sensor-footer {
    margin-top: 10px;
    text-align: right;
    font-size: 0.75rem;
    color: var(--text-muted-color);
    font-style: italic;
}

.sensor-details.waiting {
    text-align: center;
    padding: 20px 0;
    color: var(--text-muted-color);
}


/* --- RESPONSIVE ANPASSUNGEN --- */
@media (max-width: 900px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    .main-content, .sensor-selection-container {
        grid-column: 1 / -1;
    }
    .sensor-selection-container {
        flex-direction: row;
        overflow-x: auto;
    }
    .sensor-card {
        min-width: 250px;
    }
}

@media (max-width: 600px) {
    body {
        padding: 10px;
    }
    header h1 {
        font-size: 1.5rem;
    }
    .chart-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .sensor-selection-container {
        flex-direction: column;
    }
}

/* --- ERGÄNZUNGEN FÜR VERGLEICHSMODUS --- */

/* Stil für den Vergleichen-Button */
.chart-btn {
    background-color: var(--accent-color);
    color: var(--text-muted-color);
    border: none;
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 8px;
}
.chart-btn:hover {
    color: var(--text-color);
}
.chart-btn.active {
    background-color: var(--highlight-color);
    color: var(--bg-color);
    font-weight: 600;
}


/* Im Vergleichsmodus: Cursor auf allen Karten ändern */
.compare-mode-active .sensor-card {
    border-left-color: var(--accent-color); /* Standard-Farbe für alle */
}
.compare-mode-active .sensor-card:not(.selected) {
    opacity: 0.6; /* Nicht ausgewählte Karten ausblenden */
}

/* Stil für ausgewählte Karten im Vergleichsmodus */
.compare-mode-active .sensor-card.selected {
    opacity: 1;
    border-left-color: var(--highlight-color);
    box-shadow: 0 0 15px rgba(62, 193, 211, 0.3);
    background-color: #1f3052;
}

/* Normalen Hover-Effekt im Vergleichsmodus anpassen */
.compare-mode-active .sensor-card:hover {
    opacity: 1;
    transform: translateX(0); /* Hover-Effekt deaktivieren, da Klick eine andere Funktion hat */
}

/* Die normale 'active' Markierung im Vergleichsmodus ausblenden, um Verwirrung zu vermeiden */
.compare-mode-active .sensor-card.active {
    border-left-color: var(--accent-color);
    box-shadow: none;
    background-color: var(--card-color);
}
.compare-mode-active .sensor-card.selected.active {
    border-left-color: var(--highlight-color);
    box-shadow: 0 0 15px rgba(62, 193, 211, 0.3);
    background-color: #1f3052;
}