/* =========================================================
   GLOBAL LAYOUT
   ========================================================= */

html,
body {
    margin: 0;
    padding: 0;
    background-color: var(--bg-primary);
}
#app-container {
    min-height: 100vh;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    transition:
        background-color 0.25s ease,
        color 0.25s ease;

    margin: 0;
    font-family: 'JetBrainsMonoNerdFont', monospace;
    font-size: 14px;
}

.main-container {
    width: 100%;
    box-sizing: border-box;
    margin: auto;
    padding: 5px;
}

/* =========================================================
   GENERIC FLEX LAYOUT
   ========================================================= */

.page-container {
    display: flex;
    gap: 20px;
    padding: 15px;
    align-items: flex-start;
}

.sidebar {
    width: 300px;
    flex-shrink: 0;
}

.main-content {
    flex-grow: 1;
}

/* =========================================================
   HEADER
   ========================================================= */

.header {
    background-color: var(--dark-background);
    color: var(--text-primary);
    padding: 15px 25px;
}

.nav-links a {
    display: inline-block;
    margin-right: 20px;
    text-decoration: none;
    color: var(--blue);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--cyan);
    text-decoration: underline;
}

/* sticky top menu */

.sticky-navbar {
    position: sticky;
    top: 0;
    z-index: 2000;
    background: var(--card-bg);
    box-shadow:
        0 2px 10px var(--shadow-color);
}

/* Theme toggle button */
.theme-toggle-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    padding: 4px 8px;
    cursor: pointer;
    font-family: 'JetBrainsMonoNerdFont', monospace;
    margin-left: 10px;
    margin-right: 10px;
    transition: all 0.3s ease;
}

.theme-toggle-btn:hover {
    background: var(--selection);
}

/* =========================================================
   KPI CARDS
   ========================================================= */

.kpi-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.kpi-card {
    flex: 1;
    background: var(--card-bg);
    border-radius: 12px;
    padding: 20px;
    text-align: center;
    box-shadow:
        0 2px 8px var(--shadow-color);
    border: 1px solid var(--border-color);
}

.kpi-card h4 {
    margin: 0 0 8px 0;
    color: var(--light-foreground);
    font-size: 14px;
    font-weight: 500;
}

.kpi-card h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
}

/* =========================================================
   CHART HELP
   ========================================================= */

.chart-help {
    margin-top: 8px;
    margin-bottom: 8px;

    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;

    color: var(--text-primary);
}

.chart-help summary {
    padding: 8px 12px;
    cursor: pointer;

    color: var(--text-primary);
    font-weight: 600;
}

.chart-help summary:hover {
    color: var(--accent);
}

.chart-help-content {
    padding: 0 14px 12px 14px;
    font-size: 12px;
    line-height: 1.5;
}