/* ---------------------------------------------------------------------------
   HRRR Weather Dashboard - Styles
   --------------------------------------------------------------------------- */
:root {
    --bg: #f8f9fa;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --border: #e0e0e0;
    --text: #1a1a2e;
    --text-muted: #6c757d;
    --primary: #4B9CD3;
    --primary-hover: #3a8bc2;
    --radius: 8px;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    min-width: 280px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    padding: 24px 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    overflow-y: auto;
    height: 100vh;
    position: sticky;
    top: 0;
}

.sidebar h2 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 8px;
}

.sidebar label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 4px;
    display: block;
}

.sidebar input[type="text"],
.sidebar input[type="date"],
.sidebar select {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.85rem;
    margin-bottom: 12px;
    background: #fff;
}

.sidebar input:focus,
.sidebar select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(75,156,211,0.15);
}

.date-row {
    display: flex;
    gap: 8px;
}
.date-row > div { flex: 1; }

/* Segmented control */
.segmented-control {
    display: flex;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 12px;
}
.segmented-control input[type="radio"] { display: none; }
.segmented-control label {
    flex: 1;
    text-align: center;
    padding: 6px 12px;
    font-size: 0.8rem;
    cursor: pointer;
    color: var(--text-muted);
    margin: 0;
    transition: all 0.15s;
}
.segmented-control input:checked + label {
    background: var(--primary);
    color: white;
    font-weight: 500;
}

/* Toggle */
.toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}
.toggle-row label { margin: 0; }
.toggle-row input[type="checkbox"] {
    width: 18px; height: 18px;
    accent-color: var(--primary);
}

/* Button */
.btn-primary {
    width: 100%;
    padding: 10px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: var(--radius);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.15s;
}
.btn-primary:hover { background: var(--primary-hover); }

.btn-secondary {
    padding: 6px 12px;
    background: transparent;
    color: var(--primary);
    border: 1px solid var(--primary);
    border-radius: var(--radius);
    font-size: 0.8rem;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.15s;
}
.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

.caption {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: auto;
}

/* Main content */
.content {
    flex: 1;
    padding: 24px 32px;
    overflow-y: auto;
}

.content header { margin-bottom: 20px; }
.content h1 {
    font-size: 1.5rem;
    font-weight: 700;
}
.subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* Loading */
.loading {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px;
    color: var(--text-muted);
}
.spinner {
    width: 20px; height: 20px;
    border: 3px solid var(--border);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Error */
.error-msg {
    background: #fee2e2;
    border: 1px solid #fca5a5;
    color: #dc2626;
    padding: 12px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 0.85rem;
}

/* KPI row */
.kpi-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.kpi-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
}
.kpi-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
}
.kpi-value {
    font-size: 1.4rem;
    font-weight: 700;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    box-shadow: var(--shadow);
}
.card h3 {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 12px;
}

/* Charts row */
.charts-row {
    display: grid;
    grid-template-columns: 3fr 1fr;
    gap: 16px;
    margin-bottom: 16px;
}
.chart-main { min-height: 400px; }
.chart-side { min-height: 400px; }

/* Bottom row */
.bottom-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

/* Table */
.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}
.table-header h3 { margin-bottom: 0; }

.table-wrap {
    max-height: 300px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

#data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}
#data-table th {
    background: #f1f3f5;
    padding: 8px 10px;
    text-align: left;
    font-weight: 600;
    position: sticky;
    top: 0;
    border-bottom: 1px solid var(--border);
}
#data-table td {
    padding: 6px 10px;
    border-bottom: 1px solid #f1f3f5;
}
#data-table tbody tr:hover { background: #f8f9fa; }

/* Utility */
.hidden { display: none !important; }

/* Responsive */
@media (max-width: 1024px) {
    .charts-row { grid-template-columns: 1fr; }
    .bottom-row { grid-template-columns: 1fr; }
    .kpi-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    body { flex-direction: column; }
    .sidebar {
        width: 100%;
        min-width: unset;
        height: auto;
        position: static;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .kpi-row { grid-template-columns: 1fr 1fr; }
}