body {
    background: #f4f7fb;
    font-size: 0.95rem;
}
.app-shell {
    display: flex;
    min-height: 100vh;
}
.sidebar {
    width: 260px;
    min-height: 100vh;
}
.sidebar .nav-link {
    color: #344054;
    border-radius: 10px;
    padding: 0.75rem 1rem;
}
.sidebar .nav-link:hover,
.sidebar .nav-link.active {
    background: #e9f2ff;
    color: #0d6efd;
}
.main-content {
    flex: 1;
}
.card-soft {
    border: 0;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(16, 24, 40, 0.05);
}
.stat-card .icon-wrap {
    width: 44px;
    height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: #eef4ff;
    color: #0d6efd;
    font-size: 1.2rem;
}
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #eff6ff, #f8fafc);
}
.login-card {
    width: 100%;
    max-width: 440px;
    border: 0;
    border-radius: 18px;
    box-shadow: 0 15px 40px rgba(16, 24, 40, 0.08);
}
.table thead th {
    background: #f8fafc;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}