/* Layout */
.navbar {
    background: var(--white);
    padding: 0 40px;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.nav-left,
.nav-right {
    flex: 1;
    display: flex;
    align-items: center;
}

.nav-right {
    justify-content: flex-end;
    gap: 15px;
}

.nav-logo {
    flex: 0 0 auto;
}

.nav-logo img {
    height: 70px;
    display: block;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 40px 20px;
}

/* Page Headers */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border);
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--accent);
    display: flex;
    align-items: center;
    gap: 15px;
}

/* Grids */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 40px;
}

.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.data-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 25px;
}

@media (max-width: 768px) {
    .navbar {
        padding: 0 20px;
        height: 70px;
    }

    .nav-logo img {
        height: 50px;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }

    .charts-grid {
        grid-template-columns: 1fr;
    }
}