/* Grundlegendes Design */
:root {
    --background: #f4f7fb;
    --surface: #ffffff;
    --text: #172338;
    --muted: #64748b;
    --primary: #2563eb;
    --border: #e2e8f0;
    --radius: 14px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    background: var(--background);
    color: var(--text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont,
                 "Segoe UI", sans-serif;
    line-height: 1.5;
}

.container {
    width: min(1200px, calc(100% - 40px));
    margin: 0 auto;
}

/* Kopfbereich */
.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 24px 0;
}

.site-header h1 {
    margin: 0;
    font-size: 1.6rem;
    letter-spacing: -0.03em;
}

.subtitle {
    margin: 4px 0 0;
    color: var(--muted);
    font-size: 0.9rem;
}

/* Hauptinhalt */
.dashboard {
    padding-top: 36px;
    padding-bottom: 60px;
}

.section-title {
    font-size: 1.15rem;
    margin: 0 0 18px;
}

/* Standortsuche */
.search-section {
    margin-bottom: 34px;
}

.search-box {
    display: flex;
    gap: 12px;
}

.search-box input {
    flex: 1;
    min-width: 0;
    padding: 14px 16px;
    border: 1px solid var(--border);
    border-radius: 10px;
    font: inherit;
    background: var(--surface);
    color: var(--text);
}

.search-box input:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.search-box button {
    background: var(--primary);
    color: white;
    border: none;
    padding: 14px 24px;
    border-radius: 10px;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.search-box button:hover {
    background: #1d4ed8;
}

.search-box button:focus-visible {
    outline: 3px solid #93c5fd;
    outline-offset: 2px;
}

/* Wetterkarten */
.weather-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
    margin-bottom: 34px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 26px;
    box-shadow: 0 4px 18px rgba(15, 23, 42, 0.04);
}

.card-label {
    color: var(--muted);
    font-size: 0.9rem;
    margin: 0 0 12px;
}

.card-value {
    font-size: 2.6rem;
    font-weight: 700;
    letter-spacing: -0.04em;
    margin: 0;
    font-variant-numeric: tabular-nums;
}

.card-description {
    margin: 12px 0 0;
    color: var(--muted);
    font-size: 0.85rem;
}

/* Plotly-Diagrammbereich */
.chart-card {
    margin-top: 10px;
}

.chart-container {
    width: 100%;
    min-height: 360px;
}

.chart-placeholder {
    min-height: 360px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: #f8fafc;
    border: 1px dashed var(--border);
    border-radius: 10px;
    color: var(--muted);
    text-align: center;
    padding: 20px;
}

/* Mobile Ansicht */
@media (max-width: 640px) {
    .container {
        width: calc(100% - 28px);
    }

    .site-header {
        padding: 18px 0;
    }

    .dashboard {
        padding-top: 24px;
    }

    .weather-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .search-box {
        flex-direction: column;
    }

    .search-box button {
        width: 100%;
    }

    .card {
        padding: 20px;
    }

    .card-value {
        font-size: 2.2rem;
    }

    .chart-container,
    .chart-placeholder {
        min-height: 280px;
    }
}

.location-results {
    list-style: none;
    padding: 0;
    margin: 16px 0;
}

.location-results li {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 14px 18px;
    margin-bottom: 8px;
}