/*
 * Stylesheet for the AirPrime demo dashboard.
 *
 * This file defines a dark theme with modern typographic and layout styles.
 * Colours and spacing are defined as CSS variables for easy adjustment.
 */

:root {
    --bg: #0f172a;
    --card-bg: #1e293b;
    --primary: #0ea5e9;
    --secondary: #64748b;
    --text: #f1f5f9;
    --danger: #ef4444;
    --warning: #f97316;
    --success: #10b981;
    --border-radius: 8px;
    --transition-speed: 0.3s;
}

.airprime-dashboard-container {
    background: var(--bg);
    color: var(--text);
    font-family: "Inter", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.4;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

/* Header styles */
.airprime-header {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border-bottom: 1px solid var(--secondary);
}

.airprime-header img {
    width: 36px;
    height: 36px;
    margin-right: 0.75rem;
}

.airprime-header h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary);
    font-weight: 600;
}

/* Navigation */
.airprime-nav {
    display: flex;
    background: var(--card-bg);
    list-style: none;
    margin: 0;
    padding: 0;
    border-bottom: 1px solid var(--secondary);
}

.airprime-nav li {
    margin: 0;
}

.airprime-nav a {
    display: block;
    padding: 0.75rem 1.25rem;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-speed), border-color var(--transition-speed);
    border-bottom: 3px solid transparent;
}

.airprime-nav a:hover {
    color: var(--primary);
}

.airprime-nav a.active {
    color: var(--primary);
    border-color: var(--primary);
}

/* Main content area */
.airprime-main {
    padding: 1.5rem;
}

/* KPI cards */
.kpi-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.kpi-card {
    flex: 1 1 calc(25% - 1rem);
    min-width: 200px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 1rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    transition: background var(--transition-speed);
}

.kpi-card:hover {
    background: #334155;
}

.kpi-title {
    font-size: 0.85rem;
    color: var(--secondary);
    margin: 0 0 0.25rem 0;
}

.kpi-value {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0;
}

/* Tables */
.table-container {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow-x: auto;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.airprime-table {
    width: 100%;
    border-collapse: collapse;
    color: var(--text);
}

.airprime-table thead {
    background: #0f172a;
}

.airprime-table th,
.airprime-table td {
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--secondary);
    text-align: left;
}

.airprime-table th {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
}

.airprime-table tbody tr:nth-child(even) {
    background: #1f2937;
}

.airprime-table tbody tr:hover {
    background: #374151;
}

/* Priority indicators */
.priority-high {
    color: var(--danger);
    font-weight: 600;
}

.priority-medium {
    color: var(--warning);
    font-weight: 600;
}

.priority-low {
    color: var(--success);
    font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .kpi-card {
        flex: 1 1 calc(50% - 1rem);
    }
}

@media (max-width: 480px) {
    .kpi-card {
        flex: 1 1 100%;
    }
    .airprime-nav {
        flex-direction: column;
    }
    .airprime-nav a {
        border-left: 3px solid transparent;
        border-bottom: none;
    }
    .airprime-nav a.active {
        border-color: var(--primary);
    }
}