:root {
    --primary: #2563eb;
    --dark: #0f172a;
    --muted: #64748b;
    --background: #f8fafc;
    --card: #ffffff;
}

body {
    background: var(--background);
    color: var(--dark);
}

.portal-navbar {
    background: linear-gradient(135deg, #0f172a, #1e293b);
}

.navbar-brand {
    color: #fff;
    font-weight: 700;
}

.navbar-brand:hover {
    color: #fff;
}

.login-page {
    min-height: 100vh;
    background: radial-gradient(circle at top left, #2563eb, #0f172a 45%, #020617);
}

.login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 30px;
}

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border-radius: 24px;
    padding: 36px;
    box-shadow: 0 25px 80px rgba(0, 0, 0, 0.25);
}

.logo-circle {
    width: 54px;
    height: 54px;
    border-radius: 18px;
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 24px;
    margin-bottom: 20px;
}

.login-card h1 {
    font-size: 28px;
    font-weight: 800;
}

.login-card p,
.dashboard-header p {
    color: var(--muted);
}

.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    border-radius: 12px;
    padding: 12px;
    font-weight: 600;
}

.form-control {
    border-radius: 12px;
    padding: 12px;
}

.dashboard-header h1 {
    font-size: 36px;
    font-weight: 800;
}

.portal-tile {
    display: block;
    height: 100%;
    background: var(--card);
    border-radius: 22px;
    padding: 28px;
    text-decoration: none;
    color: var(--dark);
    box-shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
    transition: 0.2s ease;
}

.portal-tile:hover {
    transform: translateY(-4px);
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.14);
    color: var(--dark);
}

.portal-tile h2 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 12px;
}

.portal-tile p {
    color: var(--muted);
    min-height: 72px;
}

.portal-tile span {
    color: var(--primary);
    font-weight: 700;
}

.admin-box {
    background: #fff;
    border-radius: 22px;
    padding: 28px;
    box-shadow: 0 12px 35px rgba(15, 23, 42, 0.08);
}

.portal-admin-item {
    padding: 24px;
    border: 1px solid #e2e8f0;
    border-radius: 18px;
    background: #f8fafc;
}