body {
    background-color: #020617;
    color: #e5e7eb;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

header {
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.6);
}

.navbar {
    margin-bottom: 1.5rem;
}

.navbar-brand {
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

header .navbar-nav {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-left: 0;
    margin-bottom: 0;
}

header .navbar-nav .nav-link {
    font-weight: 500;
}

.container {
    max-width: 1400px;
}

.table {
    background-color: #111827;
    color: #e5e7eb;
    width: 100%;
}

.table thead {
    background-color: #1f2937;
}

.table tbody tr:nth-child(even) {
    background-color: #020617;
}

.table tbody tr:hover {
    background-color: #1f2937;
}

.admin-login-form {
    background-color: #020617;
}

h1, h2, h3, h4, h5 {
    color: #f9fafb;
}

a {
    color: #60a5fa;
    text-decoration: none;
}

a:hover {
    color: #93c5fd;
    text-decoration: underline;
}

.btn-primary {
    background-color: #2563eb;
    border-color: #2563eb;
}

.btn-primary:hover {
    background-color: #1d4ed8;
    border-color: #1d4ed8;
}

.admin-dashboard {
    margin-top: 1.5rem;
}

.admin-card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.admin-card {
    background-color: #020617;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
    border: 1px solid #1f2937;
}

.admin-card h3 {
    margin-bottom: 0.5rem;
}

.admin-card p {
    color: #9ca3af;
    margin-bottom: 1rem;
}