body.portal-shell {
    margin: 0;
    min-height: 100vh;
    font-family: "Segoe UI", Arial, sans-serif;
    background:
        radial-gradient(circle at top left, rgba(189, 224, 254, 0.55), transparent 28%),
        linear-gradient(180deg, #f5f7fb 0%, #e7edf6 100%);
    color: #122033;
}

.portal-shell-login {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.portal-layout {
    max-width: 1080px;
    margin: 0 auto;
    padding: 48px 24px 64px;
}

.portal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
}

.portal-card {
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(18, 32, 51, 0.08);
    border-radius: 20px;
    box-shadow: 0 18px 50px rgba(18, 32, 51, 0.12);
}

.portal-login-card {
    width: min(440px, 100%);
    padding: 40px 32px;
}

.portal-empty-state {
    padding: 28px;
}

.portal-eyebrow {
    margin: 0 0 10px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: #4d6b8a;
}

.portal-title {
    margin: 0 0 10px;
    font-size: clamp(28px, 4vw, 40px);
    line-height: 1.05;
}

.portal-copy {
    margin: 0;
    color: #52657b;
}

.portal-alert {
    margin: 24px 0 0;
    padding: 12px 14px;
    border-radius: 12px;
    background: #fff1f2;
    color: #9f1239;
}

.portal-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
}

.portal-tile {
    display: block;
    padding: 24px 20px;
    border-radius: 18px;
    text-decoration: none;
    color: inherit;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(18, 32, 51, 0.08);
    box-shadow: 0 14px 36px rgba(18, 32, 51, 0.08);
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.portal-tile:hover {
    transform: translateY(-2px);
    box-shadow: 0 18px 40px rgba(18, 32, 51, 0.14);
}

.portal-tile-label {
    margin: 0 0 8px;
    font-size: 22px;
    font-weight: 700;
}

.portal-tile-meta {
    margin: 0;
    color: #52657b;
}

.portal-google-button,
.portal-secondary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 46px;
    padding: 0 18px;
    border-radius: 999px;
    text-decoration: none;
    font-weight: 600;
    border: 0;
    cursor: pointer;
}

.portal-google-button {
    margin-top: 28px;
    background: #16324f;
    color: #fff;
}

.portal-secondary-button {
    background: #fff;
    color: #16324f;
    border: 1px solid rgba(22, 50, 79, 0.15);
}

@media (max-width: 640px) {
    .portal-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .portal-layout {
        padding-top: 32px;
    }
}