:root {
    --nexus-ink: #060e20;
    --nexus-muted: #71809a;
    --nexus-blue: #2563eb;
    --nexus-aqua: #00c2a8;
    --nexus-drawer: #071225;
}

* {
    box-sizing: border-box;
}

html,
body,
#app {
    min-height: 100%;
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 80% 0%, rgba(37, 99, 235, .18), transparent 36rem),
        linear-gradient(135deg, #edf4ff 0%, #f7fbff 48%, #eef4ff 100%);
    color: var(--nexus-ink);
    font-family: "Plus Jakarta Sans", "Segoe UI", sans-serif;
}

.nexus-drawer {
    width: 280px;
    padding: 28px 24px;
    background: linear-gradient(180deg, #071225 0%, #0a1d3f 100%);
    color: #fff;
}

.brand-lockup {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 44px;
}

.brand-mark {
    display: grid;
    width: 56px;
    height: 56px;
    place-items: center;
    border-radius: 18px;
    background: linear-gradient(135deg, #2563eb, #4f8cff);
    color: #fff;
    font-weight: 900;
    letter-spacing: .04em;
}

.brand-mark.large {
    width: 72px;
    height: 72px;
    margin-inline: auto;
    border-radius: 24px;
    font-size: 1.35rem;
}

.brand-title {
    font-size: 1.05rem;
    font-weight: 900;
}

.brand-subtitle,
.drawer-footnote,
.muted {
    color: #9db1d4;
}

.nav-stack {
    display: grid;
    gap: 12px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 13px 16px;
    color: #d9e5ff;
    text-decoration: none;
    border-radius: 16px;
    transition: background .18s ease, transform .18s ease;
}

.nav-link:hover,
.nav-link.active {
    background: rgba(37, 99, 235, .35);
    color: #fff;
    transform: translateX(2px);
}

.drawer-footnote {
    position: absolute;
    bottom: 32px;
    left: 24px;
    right: 24px;
    line-height: 1.45;
}

.nexus-main {
    margin-left: 280px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 88px;
    padding: 0 48px;
}

.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #8293b8;
    font-weight: 700;
}

.status-pill span {
    width: 12px;
    height: 12px;
    border-radius: 999px;
    background: var(--nexus-aqua);
    box-shadow: 0 0 0 8px rgba(0, 194, 168, .12);
}

.page-shell {
    padding: 0 48px 48px;
}

.hero-card,
.content-card,
.login-card,
.feature-card {
    background: rgba(255, 255, 255, .88);
    border: 1px solid rgba(255, 255, 255, .78);
    border-radius: 32px;
    box-shadow: 0 26px 70px rgba(9, 30, 66, .12);
}

.hero-card {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 360px;
    gap: 40px;
    align-items: center;
    padding: 48px;
}

.eyebrow {
    color: var(--nexus-blue);
    font-size: .78rem;
    font-weight: 900;
    letter-spacing: .22em;
    text-transform: uppercase;
}

h1 {
    max-width: 900px;
    margin: 0;
    color: var(--nexus-ink);
    font-size: clamp(2.2rem, 5vw, 4.8rem);
    font-weight: 950;
    line-height: .95;
    letter-spacing: -.07em;
}

h2,
h3 {
    color: var(--nexus-ink);
    font-weight: 900;
}

.hero-copy {
    max-width: 760px;
    color: #667795;
    font-size: 1.1rem;
    line-height: 1.7;
}

.health-card,
.login-card {
    padding: 32px;
    border-radius: 28px;
}

.health-card {
    display: grid;
    gap: 16px;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
    margin-top: 28px;
}

.feature-card,
.content-card {
    padding: 32px;
}

.feature-card .mud-icon-root {
    color: var(--nexus-blue);
    font-size: 2rem;
}

.login-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 460px;
    gap: 40px;
    align-items: center;
}

.login-copy {
    padding: 32px 0;
}

.login-card {
    display: grid;
    gap: 18px;
}

.code-block {
    margin-top: 24px;
    padding: 20px;
    overflow: auto;
    border-radius: 18px;
    background: #071225;
    color: #d7e5ff;
}

.contact-admin__header,
.toolbar-row {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    justify-content: space-between;
}

.contact-admin__header > div:first-child {
    flex: 1 1 auto;
}

.contact-admin__header > .mud-input-control {
    flex: 0 1 520px;
}

.toolbar-row {
    flex-wrap: wrap;
    align-items: center;
}

#blazor-error-ui {
    display: none;
}

.loading-progress-text {
    display: grid;
    min-height: 100vh;
    place-items: center;
    color: #667795;
    font-weight: 700;
}

@media (max-width: 900px) {
    .nexus-drawer {
        display: none;
    }

    .nexus-main {
        margin-left: 0;
    }

    .topbar,
    .page-shell {
        padding-inline: 20px;
    }

    .hero-card,
    .login-grid,
    .feature-grid {
        grid-template-columns: 1fr;
    }
}