:root {
    --ink: #355662;
    --ink-soft: #263f49;
    --canvas: #f1f1f1;
    --paper: #ffffff;
    --line: #d7e0ea;
    --muted: #64748b;
    --signal: #f79722;
    --signal-dark: #c97817;
    --accent: #21759b;
    --good: #21759b;
    --warn: #f79722;
    --danger: #d9534f;
    --shadow: 0 18px 50px rgba(15, 35, 58, .11);
}

* { box-sizing: border-box; }
body { margin: 0; color: var(--ink); font-family: "Helvetica Neue", Helvetica, Arial, sans-serif; }
.app-body { min-height: 100vh; background: var(--canvas); }
.topbar { min-height: 72px; display: flex; align-items: center; gap: 28px; padding: 0 5vw; background: #fff; color: var(--ink); border-bottom: 3px solid var(--signal); box-shadow: 0 2px 12px rgba(53, 86, 98, .08); }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); font-size: .86rem; font-weight: 800; letter-spacing: .015em; text-decoration: none; white-space: nowrap; text-transform: uppercase; }
.brand-logo { display: block; width: 118px; height: auto; }
.brand-divider { display: block; width: 1px; height: 25px; background: #d9d9d9; }
.primary-nav, .account-nav { display: flex; align-items: stretch; gap: 4px; }
.primary-nav { margin-right: auto; }
.topbar nav a { display: inline-flex; align-items: center; padding: 25px 10px 22px; color: #647b84; border-bottom: 3px solid transparent; font-size: .78rem; font-weight: 800; letter-spacing: .05em; text-decoration: none; text-transform: uppercase; }
.topbar nav a:hover, .topbar nav a:focus, .topbar nav a.is-active { color: var(--ink); border-color: var(--signal); }
.topbar .account-nav a { padding-left: 8px; padding-right: 8px; font-size: .74rem; }
.topbar .account-nav .sign-out { color: var(--signal-dark); }
.app-shell { width: min(1480px, 92vw); margin: 0 auto; padding: 38px 0 56px; }
.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.eyebrow { margin: 0 0 6px; color: var(--signal-dark); font-size: .7rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
h1, h2, h3 { margin: 0; color: var(--ink); font-weight: 760; letter-spacing: -.035em; }
h1 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h2 { font-size: 1.4rem; }
h3 { font-size: 1rem; }
.page-heading .summary { max-width: 43ch; margin: 0; color: var(--muted); font-size: .9rem; line-height: 1.5; text-align: right; }
.signal-rail { height: 3px; width: 86px; margin-top: 15px; background: linear-gradient(90deg, var(--signal), var(--accent), transparent); }
.panel { overflow: hidden; background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow); }
.data-table-wrap { overflow-x: auto; }
.dns-audit-wrap { overflow-x: hidden; }
.audit-switch { display: inline-flex; gap: 2px; margin: 0 0 16px; border: 1px solid var(--line); background: var(--paper); }
.audit-switch a { padding: 9px 12px; color: var(--muted); font-size: .78rem; font-weight: 800; text-decoration: none; }
.audit-switch a span { margin-left: 6px; font-size: .68rem; font-weight: 600; }
.audit-switch a:hover, .audit-switch a.is-active { background: var(--ink); color: #fff; }
.dns-audit-table { table-layout: fixed; }
.dns-audit-table th:nth-child(1) { width: 26%; }
.dns-audit-table th:nth-child(2) { width: 9%; }
.dns-audit-table th:nth-child(3) { width: 23%; }
.dns-audit-table th:nth-child(4) { width: 20%; }
.dns-audit-table th:nth-child(5) { width: 22%; }
.dns-name { overflow-wrap: anywhere; font-weight: 750; }
.dns-details summary { color: var(--accent); cursor: pointer; font-weight: 800; white-space: nowrap; }
.dns-match summary { cursor: pointer; list-style: none; }
.dns-match summary::-webkit-details-marker { display: none; }
.dns-destination { display: grid; gap: 5px; margin: 12px 0 0; color: var(--muted); font-size: .78rem; }
.dns-destination code { overflow-wrap: anywhere; color: var(--ink); font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.dns-details .user-actions { min-width: 0; width: min(100%, 360px); }
.table-sort-button {
    appearance: none;
    border: 0;
    background: transparent;
    color: inherit;
    font: inherit;
    font-weight: 700;
    letter-spacing: inherit;
    padding: 0;
    text-transform: inherit;
}
.table-sort-button:hover { color: var(--signal-dark); cursor: pointer; }
.table-sort-button:focus-visible { outline: 2px solid var(--signal); outline-offset: 4px; }
.table { width: 100%; margin: 0; border-collapse: collapse; color: var(--ink); font-size: .86rem; }
.table thead th { padding: 13px 15px; color: #6b7c93; background: #f7f9fc; border: 0; border-bottom: 1px solid var(--line); font-size: .67rem; font-weight: 800; letter-spacing: .08em; text-align: left; text-transform: uppercase; white-space: nowrap; }
.table tbody td { padding: 14px 15px; border-top: 1px solid #edf1f5; vertical-align: middle; }
.table tbody tr:hover { background: #f7fbfc; }
.table-warning { background: #fff7e8; }
.table-danger { background: #fff1f0; }
.badge-status { display: inline-flex; align-items: center; gap: 6px; padding: 4px 8px; border-radius: 999px; background: #e7f7f4; color: var(--good); font-size: .72rem; font-weight: 800; text-transform: capitalize; }
.badge-status::before { width: 6px; height: 6px; border-radius: 50%; background: currentColor; content: ""; }
.badge-status.is-off { background: #f2f4f7; color: #667085; }
.badge-status.is-warning { background: #fff0d5; color: var(--warn); }
.badge-status.is-failed { background: #fff1f0; color: var(--danger); }
.job-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(235px, 1fr)); gap: 16px; }
.job-card { min-height: 190px; padding: 20px; border-top: 3px solid var(--accent); }
.job-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.job-card h2 { font-size: 1.08rem; text-transform: capitalize; }
.job-card dl { display: grid; gap: 12px; margin: 24px 0 0; }
.job-card dl div { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; border-top: 1px solid var(--line); padding-top: 8px; }
.job-card dt { color: var(--muted); font-size: .7rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.job-card dd { margin: 0; color: var(--ink); font-size: .82rem; font-weight: 700; text-align: right; }
.port-list { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.table-section-heading { display: flex; align-items: baseline; gap: 12px; padding: 18px 15px 12px; border-bottom: 1px solid var(--line); }
.table-section-heading .eyebrow { margin: 0; }
.table-section-heading h2 { font-size: 1rem; }
.table-section-heading span { margin-left: auto; color: var(--muted); font-size: .78rem; }
.exposure-ledger { overflow: hidden; }
.exposure-ledger-head, .exposure-row { display: grid; grid-template-columns: minmax(220px, 1.35fr) minmax(145px, .8fr) minmax(145px, .7fr) minmax(220px, 1.1fr); gap: 20px; }
.exposure-ledger-head { padding: 12px 20px; background: #f7f9fc; border-bottom: 1px solid var(--line); color: #6b7c93; font-size: .67rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.exposure-row { position: relative; align-items: center; min-height: 96px; padding: 18px 20px 18px 24px; border-bottom: 1px solid #edf1f5; background: var(--paper); }
.exposure-row:last-child { border-bottom: 0; }
.exposure-row::before { position: absolute; inset: 0 auto 0 0; width: 4px; background: var(--good); content: ""; }
.exposure-row.needs-attention::before { background: var(--warn); }
.exposure-row:hover { background: #f7fbfc; }
.exposure-identity h2 { overflow-wrap: anywhere; font-size: 1rem; letter-spacing: -.015em; }
.exposure-identity p, .exposure-cell small { display: block; margin: 5px 0 0; color: var(--muted); font-size: .74rem; line-height: 1.4; }
.exposure-cell { min-width: 0; }
.exposure-cell strong { display: block; color: var(--ink); font-size: .82rem; }
.exposure-cell small { overflow-wrap: anywhere; }
.exposure-cell-label { display: none; margin-bottom: 5px; color: #6b7c93; font-size: .63rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.exposure-empty { padding: 38px 24px; text-align: center; }
.exposure-empty h2 { font-size: 1.05rem; }
.exposure-empty p { margin: 8px 0 0; color: var(--muted); font-size: .85rem; }
.page-subheading { margin: 30px 0 12px; }
.page-subheading .eyebrow { margin-bottom: 4px; }
.port-list li { padding: 9px 11px; background: #f8f8f8; border-left: 3px solid var(--accent); color: #42546b; font-size: .82rem; }
.port-list .risk { border-left-color: var(--danger); color: #8a241c; }
.flash-stack { margin-bottom: 18px; padding: 12px 15px; background: #fff4f4; border-left: 3px solid var(--signal); color: #7f1d1d; font-size: .9rem; }
.flash-stack p { margin: 0; }
.users-table details summary { color: var(--accent); cursor: pointer; font-weight: 800; }
.user-actions { display: grid; gap: 9px; min-width: 220px; padding-top: 10px; }
.user-actions form { display: grid; gap: 7px; }
.user-actions input, .user-actions select { width: 100%; min-height: 34px; padding: 6px 8px; border: 1px solid var(--line); color: var(--ink); font: inherit; }
.user-actions label { color: var(--muted); font-size: .78rem; }
.user-actions .btn { width: 100%; margin: 0; padding: 8px 10px; font-size: .75rem; }

/* Authentication and account surfaces */
body:not(.app-body) { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: radial-gradient(circle at 20% 10%, #d8f4f6, transparent 30%), var(--canvas); }
.enable-2fa-container, .settings-container, .auth-container, .login-container { width: min(100%, 460px); padding: 34px; background: var(--paper); border: 1px solid var(--line); box-shadow: var(--shadow); text-align: left; }
.shield-icon { display: flex; justify-content: flex-start; margin-bottom: 20px; }
.shield-icon svg { width: 44px; height: 44px; fill: var(--accent); }
.enable-2fa-container h2, .settings-container h2, .auth-container h2, .login-container h2 { margin-bottom: 8px; font-size: 1.7rem; text-align: left !important; }
.text-center { color: var(--muted); line-height: 1.55; text-align: left !important; }
.form-group label { color: #334155; font-size: .82rem; font-weight: 750; }
.form-control { height: auto; padding: 11px 12px; border: 1px solid #cbd5e1; border-radius: 0; color: var(--ink); }
.form-control:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(247, 151, 34, .2); }
.btn { border-radius: 0; font-weight: 800; letter-spacing: .01em; }
.btn-primary { width: 100%; margin-top: 8px; padding: 11px 16px; border: 0; background: var(--ink); }
.btn-primary:hover, .btn-primary:focus { background: var(--signal-dark); }
.btn-danger { width: 100%; margin-top: 8px; border: 0; background: var(--danger); }
.home-link { display: inline-block; margin-top: 24px; color: var(--ink); font-size: .85rem; font-weight: 800; text-decoration: none; }
.qr-code { display: block; width: 180px; height: 180px; margin: 18px auto; padding: 10px; border: 1px solid var(--line); }
.alert { border: 0; border-left: 3px solid currentColor; border-radius: 0; }

@media (min-width: 761px) and (max-width: 1180px) {
    .topbar { flex-wrap: wrap; gap: 0 20px; padding: 14px 4vw 0; }
    .brand { margin-right: auto; }
    .primary-nav { width: 100%; order: 3; justify-content: center; flex-wrap: wrap; margin: 8px 0 0; }
    .topbar nav a { padding: 11px 9px 9px; font-size: .72rem; }
    .topbar .account-nav a { padding: 11px 7px 9px; }
}

@media (max-width: 760px) {
    .topbar { flex-wrap: wrap; gap: 0; padding: 14px 4vw 0; }
    .brand { width: 100%; margin-bottom: 8px; }
    .primary-nav { width: 100%; order: 3; overflow-x: auto; }
    .account-nav { margin-left: auto; position: absolute; top: 12px; right: 4vw; }
    .topbar nav a { padding: 12px 8px 10px; }
    .app-shell { width: min(94vw, 1480px); padding-top: 27px; }
    .page-heading { align-items: flex-start; flex-direction: column; }
    .page-heading .summary { text-align: left; }
    .exposure-ledger-head { display: none; }
    .exposure-row { grid-template-columns: 1fr 1fr; gap: 20px 16px; padding: 20px; }
    .exposure-identity { grid-column: 1 / -1; }
    .exposure-cell-label { display: block; }
}

@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; transition: none !important; } }