html,
body {
    min-height: 100%;
    background: #f4f7f8;
    color: #101828;
    font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
}

:root {
    --business-ink: #101828;
    --business-muted: #667085;
    --business-line: #d8e0ea;
    --business-line-strong: #b9c7d7;
    --gateway-accent: #f4d35e;
    --gateway-accent-strong: #e4bd29;
}

a {
    color: #00786f;
}

h1:focus {
    outline: none;
}

.btn-warning {
    --bs-btn-bg: var(--gateway-accent);
    --bs-btn-border-color: var(--gateway-accent);
    --bs-btn-color: #101828;
    --bs-btn-hover-bg: var(--gateway-accent-strong);
    --bs-btn-hover-border-color: var(--gateway-accent-strong);
    --bs-btn-hover-color: #101828;
    font-weight: 750;
}

.form-control:focus,
.form-check-input:focus,
.btn:focus-visible {
    border-color: #101828;
    box-shadow: 0 0 0 0.15rem rgba(16, 24, 40, 0.16);
}

.gateway-shell {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 17rem minmax(0, 1fr);
}

.gateway-sidebar {
    display: flex;
    flex-direction: column;
    gap: 1.2rem;
    padding: 1.1rem;
    border-right: 1px solid var(--business-line);
    background: #fff;
}

.gateway-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--business-ink);
    text-decoration: none;
}

.gateway-brand img {
    width: 2.6rem;
    height: 2.6rem;
    border-radius: 0.5rem;
}

.gateway-brand span {
    display: grid;
    min-width: 0;
}

.gateway-brand strong {
    font-size: 0.95rem;
    letter-spacing: 0;
}

.gateway-brand small {
    color: var(--business-muted);
    font-size: 0.78rem;
    font-weight: 650;
}

.gateway-nav {
    display: grid;
    gap: 0.35rem;
}

.gateway-nav a,
.gateway-nav button {
    min-height: 2.55rem;
    display: flex;
    align-items: center;
    gap: 0.65rem;
    padding: 0.45rem 0.65rem;
    border: 1px solid transparent;
    border-radius: 0.5rem;
    background: transparent;
    color: var(--business-ink);
    font: inherit;
    font-weight: 700;
    text-align: left;
    text-decoration: none;
}

.gateway-nav a.is-active,
.gateway-nav a:hover,
.gateway-nav button:hover {
    border-color: #ead88f;
    background: #fff9da;
}

.gateway-content {
    width: min(100%, 76rem);
    margin: 0 auto;
    padding: 1.25rem;
}

.gateway-card {
    border: 1px solid var(--business-line);
    border-radius: 0.5rem;
    background: #fff;
    overflow: hidden;
}

.gateway-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.15rem;
    border-bottom: 1px solid var(--business-line);
    background: #fbfcfd;
}

.gateway-card-header h2 {
    margin: 0;
    color: var(--business-ink);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 0;
}

.gateway-card-body {
    display: grid;
    gap: 0.9rem;
    padding: 1.15rem;
}

.gateway-login {
    min-height: calc(100vh - 2.5rem);
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(20rem, 25rem);
    gap: 2rem;
    align-items: center;
}

.gateway-login-copy span {
    color: #a77700;
    font-weight: 850;
}

.gateway-login-copy h1 {
    max-width: 35rem;
    margin: 0.5rem 0 0.8rem;
    font-size: clamp(2rem, 6vw, 4.1rem);
    line-height: 1.02;
    font-weight: 760;
    letter-spacing: 0;
}

.gateway-login-copy p {
    max-width: 32rem;
    color: var(--business-muted);
    font-size: 1.05rem;
}

.gateway-auth-form {
    display: grid;
    gap: 0.9rem;
}

.gateway-muted-link {
    color: var(--business-muted);
    font-size: 0.9rem;
    font-weight: 650;
    text-align: center;
    text-decoration: none;
}

#blazor-error-ui {
    display: none;
    position: fixed;
    right: 1rem;
    bottom: 1rem;
    z-index: 1000;
    padding: 0.75rem 1rem;
    border: 1px solid #fecdca;
    border-radius: 0.5rem;
    background: #fee4e2;
    color: #912018;
    box-shadow: 0 14px 36px rgba(16, 24, 40, 0.14);
}

#blazor-error-ui .dismiss {
    margin-left: 0.75rem;
    color: inherit;
}

@media (max-width: 800px) {
    .gateway-shell {
        grid-template-columns: 1fr;
    }

    .gateway-sidebar {
        position: sticky;
        top: 0;
        z-index: 10;
        border-right: 0;
        border-bottom: 1px solid var(--business-line);
    }

    .gateway-nav {
        grid-template-columns: 1fr auto;
    }

    .gateway-login {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .gateway-content {
        padding: 1rem;
    }
}