:root {
    --primary: #006c97;
    --primary-dark: #03364a;
    --primary-light: #00a7c1;
    --lime: #93bf40;
    --paper: #fafaf7;
    --paper-2: #f3f1ea;
    --ink: #0b0b0b;
    --ink-muted: #5a6670;
    --border: #e2e6ea;
    --rule: #000000;
    --vs-radius: 4px;
    --vs-radius-lg: 8px;
}
html, body { height: 100%; }
body {
    margin: 0;
    font-family: "Open Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--paper);
    color: var(--ink);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.serif { font-family: "Fraunces", Georgia, serif; font-optical-sizing: auto; }
.mono {
    font-family: "JetBrains Mono", ui-monospace, monospace;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

/* Masthead, minimal */
.vs-masthead {
    border-bottom: 3px double var(--rule);
    padding: 0.85rem 0;
    background: var(--paper);
}
.vs-masthead-inner {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 1rem;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 1.75rem;
}
.vs-mast-side {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.7rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
}
.vs-mast-side.right { text-align: right; }
.vs-mast-brand {
    font-family: "Fraunces", Georgia, serif;
    font-weight: 800;
    font-size: clamp(1.6rem, 3vw, 2.1rem);
    letter-spacing: -0.04em;
    line-height: 1;
    color: var(--ink);
    text-decoration: none;
    font-variation-settings: "opsz" 72;
}
.vs-mast-brand .slash {
    color: var(--lime);
    font-style: italic;
    font-weight: 600;
    padding: 0 0.03em;
    font-variation-settings: "opsz" 14;
}

/* Login-Card */
.login-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 1rem;
}
.login-card {
    width: 100%;
    max-width: 400px;
    background: #ffffff;
    border: 1px solid var(--border);
    border-top: 4px solid var(--lime);
    border-radius: var(--vs-radius-lg);
    padding: 2rem 2rem 1.75rem;
    box-shadow: 0 12px 30px rgba(3, 54, 74, 0.08);
}
.login-kicker {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.68rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--ink-muted);
    margin: 0 0 0.35rem;
}
.login-kicker::before {
    content: "// ";
    color: var(--lime);
}
.login-title {
    font-family: "Fraunces", Georgia, serif;
    font-weight: 800;
    font-size: 1.6rem;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin: 0 0 1.5rem;
    color: var(--ink);
}

.form-label {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.66rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--ink-muted);
    font-weight: 500;
    margin-bottom: 0.3rem;
}
.form-control {
    border-radius: var(--vs-radius);
    border: 1px solid var(--border);
    font-size: 0.95rem;
    padding: 0.55rem 0.75rem;
}
.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 .2rem rgba(0, 108, 151, 0.15);
}

.btn {
    font-family: "JetBrains Mono", monospace;
    font-size: 0.74rem;
    font-weight: 500;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    border-radius: var(--vs-radius);
    padding: 0.7rem 1rem;
    border-width: 1px;
    transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.btn-primary {
    background-color: var(--ink);
    border-color: var(--ink);
    color: var(--paper);
}
.btn-primary:hover, .btn-primary:focus-visible {
    background-color: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.btn-outline-secondary {
    color: var(--ink);
    border-color: var(--ink);
    background: transparent;
}
.btn-outline-secondary:hover {
    background: var(--lime);
    color: var(--ink);
    border-color: var(--ink);
}

.alert { border-radius: var(--vs-radius); border-width: 1px; }
.alert-info { background: var(--paper-2); border-color: var(--primary-light); color: var(--ink); }

.sso-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.5rem 0 1rem;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.64rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-muted);
}
.sso-divider::before,
.sso-divider::after {
    content: "";
    flex: 1;
    height: 1px;
    background: var(--border);
}

.login-foot {
    text-align: center;
    padding: 1.25rem 0 2rem;
    font-family: "JetBrains Mono", monospace;
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--ink-muted);
}

a:focus-visible, button:focus-visible, .btn:focus-visible,
.form-control:focus-visible {
    outline: 2px solid var(--lime);
    outline-offset: 2px;
}

@media (max-width: 560px) {
    .vs-masthead-inner { grid-template-columns: 1fr; text-align: center; }
    .vs-mast-side, .vs-mast-side.right { text-align: center; font-size: 0.65rem; }
}