:root {
    --blue: #004b96;
    --blue-dark: #12345c;
    --ink: #232a34;
    --muted: #5f6b7a;
    --line: #d8dee8;
    --surface: #ffffff;
    --soft: #f4f7fb;
    --warning: #8a5a00;
    --success: #087443;
    --danger: #b42318;
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    margin: 0;
    scroll-behavior: smooth;
}

body {
    min-height: 100%;
    margin: 0;
    background: var(--soft);
    color: var(--ink);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

button,
input {
    font: inherit;
}

a {
    color: var(--blue);
}

.login-body {
    min-height: 100dvh;
    display: grid;
    place-items: center;
    padding: 1.25rem;
    background: #eef3f8;
}

.login-panel {
    width: min(100%, 28rem);
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    padding: 2rem;
    box-shadow: 0 1.25rem 3rem rgba(18, 52, 92, 0.12);
}

.login-panel h1 {
    margin: 0 0 0.35rem;
    color: var(--blue-dark);
    font-size: 1.55rem;
    line-height: 1.2;
}

.login-panel p {
    margin: 0 0 1.5rem;
    color: var(--muted);
}

.login-field {
    display: grid;
    gap: 0.4rem;
    margin-bottom: 1rem;
}

.login-field label {
    color: var(--blue-dark);
    font-weight: 700;
}

.login-field input,
.search input {
    width: 100%;
    border: 1px solid var(--line);
    border-radius: 0.4rem;
    background: #ffffff;
    color: var(--ink);
    padding: 0.72rem 0.8rem;
}

.login-field input:focus,
.search input:focus,
.button:focus,
summary:focus {
    outline: 2px solid #80b5e8;
    outline-offset: 2px;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    border: 1px solid var(--blue);
    border-radius: 0.4rem;
    background: var(--blue);
    color: #ffffff;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    padding: 0.65rem 0.95rem;
}

.button.secondary {
    background: #ffffff;
    color: var(--blue);
}

.login-error {
    margin: 0 0 1rem;
    padding: 0.7rem 0.8rem;
    border: 1px solid #f1b8b3;
    border-radius: 0.4rem;
    background: #fff3f1;
    color: var(--danger);
    font-weight: 700;
}

.app-shell {
    min-height: 100dvh;
}

.topbar {
    position: sticky;
    top: 0;
    z-index: 10;
    background: #ffffff;
    border-bottom: 1px solid var(--line);
}

.topbar-inner {
    width: min(100%, 78rem);
    margin: 0 auto;
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: flex;
    align-items: baseline;
    gap: 0.65rem;
    min-width: 0;
}

.brand strong {
    color: var(--blue-dark);
    font-size: 1.05rem;
    white-space: nowrap;
}

.brand span {
    color: var(--muted);
    font-size: 0.92rem;
    white-space: nowrap;
}

.logout-form {
    margin: 0;
}

.account-context {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    line-height: 1.15;
}

.account-context strong {
    color: var(--blue-dark);
    font-size: 0.88rem;
}

.account-context span {
    color: var(--muted);
    font-size: 0.75rem;
}

/* Step 1: Keep authenticated utility actions grouped in the shared header. */
.topbar-actions,
.tool-actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.tool-actions form {
    margin: 0;
}

.page {
    width: min(100%, 78rem);
    margin: 0 auto;
    padding: 1.4rem 1rem 3rem;
}

.hero {
    display: grid;
    gap: 1rem;
    padding: 1.25rem 0 1.5rem;
    border-bottom: 1px solid var(--line);
}

.hero h1 {
    margin: 0;
    color: var(--blue-dark);
    font-size: clamp(2rem, 3.6vw, 3.35rem);
    line-height: 1.08;
    letter-spacing: 0;
}

.hero p {
    max-width: 54rem;
    margin: 0;
    color: var(--muted);
    font-size: 1.08rem;
}

.meta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.55rem;
    margin-top: 0.2rem;
}

.pill {
    display: inline-flex;
    align-items: center;
    min-height: 1.85rem;
    border: 1px solid var(--line);
    border-radius: 1rem;
    background: #ffffff;
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 700;
    padding: 0.28rem 0.7rem;
}

.pill.warning {
    border-color: #e8cf91;
    background: #fff8e6;
    color: var(--warning);
}

.pill.status-available,
.pill.status-reviewed,
.pill.status-completed {
    border-color: #a7dfbe;
    background: #ecfdf3;
    color: var(--success);
}

.grid {
    display: grid;
    grid-template-columns: minmax(0, 16rem) minmax(0, 1fr);
    gap: 1.25rem;
    align-items: start;
    margin-top: 1.25rem;
}

.sidebar {
    position: sticky;
    top: 4.5rem;
    display: grid;
    gap: 1rem;
}

.search {
    display: grid;
    gap: 0.4rem;
}

.search label,
.toc-title {
    color: var(--blue-dark);
    font-weight: 800;
    font-size: 0.88rem;
    text-transform: uppercase;
}

.toc {
    display: grid;
    gap: 0.35rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.toc a {
    display: block;
    border-left: 0.2rem solid transparent;
    color: var(--muted);
    text-decoration: none;
    padding: 0.35rem 0 0.35rem 0.65rem;
}

.toc a:hover,
.toc a:focus,
.toc a.active {
    border-color: var(--blue);
    color: var(--blue-dark);
}

.search-results {
    border: 1px solid var(--line);
    border-radius: 0.45rem;
    background: #ffffff;
    overflow: hidden;
}

.search-result-list {
    display: grid;
}

.search-result {
    display: grid;
    gap: 0.12rem;
    padding: 0.65rem 0.75rem;
    color: var(--blue-dark);
    text-decoration: none;
    border-bottom: 1px solid var(--line);
}

.search-result:last-child {
    border-bottom: 0;
}

.search-result:hover,
.search-result:focus {
    background: #f6f8fb;
}

.search-result span,
.search-result-message {
    color: var(--muted);
    font-size: 0.86rem;
}

.search-result-message {
    padding: 0.7rem 0.75rem;
}

.content {
    display: grid;
    gap: 1rem;
    min-width: 0;
}

.guidance {
    display: grid;
    gap: 0.65rem;
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    background: #ffffff;
    padding: 1rem;
}

.guidance h2,
.protocol-section h2 {
    margin: 0;
    color: var(--blue-dark);
    font-size: 1.25rem;
    line-height: 1.2;
}

.guidance p,
.protocol-section > p {
    margin: 0;
    color: var(--muted);
}

.guidance-list {
    display: grid;
    gap: 0.45rem;
    margin: 0;
    padding-left: 1.2rem;
    color: var(--ink);
}

.protocol-section {
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    background: #ffffff;
    overflow: hidden;
}

.section-head {
    display: grid;
    gap: 0.4rem;
    padding: 1rem;
    background: #fbfcfe;
    border-bottom: 1px solid var(--line);
}

.table-wrap {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    min-width: 48rem;
}

th,
td {
    border-bottom: 1px solid var(--line);
    padding: 0.78rem 0.85rem;
    text-align: left;
    vertical-align: top;
}

th {
    background: #f6f8fb;
    color: var(--blue-dark);
    font-size: 0.82rem;
    text-transform: uppercase;
}

td {
    color: var(--ink);
}

tr:last-child td {
    border-bottom: 0;
}

.topic-title {
    display: block;
    color: var(--blue-dark);
    font-weight: 800;
}

.topic-link {
    display: block;
    color: var(--blue-dark);
    font-weight: 800;
    text-decoration: none;
}

.topic-link:hover,
.topic-link:focus {
    text-decoration: underline;
}

.table-action {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    border: 1px solid var(--blue);
    border-radius: 0.35rem;
    background: #ffffff;
    color: var(--blue);
    font-size: 0.9rem;
    font-weight: 800;
    text-decoration: none;
    padding: 0.32rem 0.72rem;
    white-space: nowrap;
}

.table-action:hover,
.table-action:focus {
    background: var(--blue);
    color: #ffffff;
}

.topic-desc {
    display: block;
    margin-top: 0.25rem;
    color: var(--muted);
    font-size: 0.94rem;
}

.status {
    display: inline-flex;
    border: 1px solid #e8cf91;
    border-radius: 1rem;
    background: #fff8e6;
    color: var(--warning);
    font-size: 0.82rem;
    font-weight: 800;
    padding: 0.16rem 0.55rem;
    white-space: nowrap;
}

.status.status-available,
.status.status-reviewed,
.status.status-completed {
    border-color: #a7dfbe;
    background: #ecfdf3;
    color: var(--success);
}

.status.status-error {
    border-color: #f1b8b3;
    background: #fff3f1;
    color: var(--danger);
}

details {
    min-width: 7.5rem;
}

summary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2rem;
    border: 1px solid var(--line);
    border-radius: 0.35rem;
    background: #ffffff;
    color: var(--blue);
    font-weight: 800;
    cursor: pointer;
    padding: 0.32rem 0.62rem;
    list-style: none;
}

summary::-webkit-details-marker {
    display: none;
}

details[open] summary {
    border-color: var(--blue);
}

details p {
    margin: 0.55rem 0 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.empty {
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    background: #ffffff;
    color: var(--muted);
    padding: 1rem;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    align-items: center;
    padding: 0.25rem 0 0.85rem;
    color: var(--muted);
    font-size: 0.92rem;
}

.breadcrumbs a {
    color: var(--blue);
    text-decoration: none;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus {
    text-decoration: underline;
}

.protocol-hero {
    padding-top: 0.4rem;
}

.protocol-detail {
    display: grid;
    gap: 1rem;
}

.protocol-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    background: #ffffff;
    overflow: hidden;
}

.protocol-meta-grid > div {
    display: grid;
    gap: 0.2rem;
    padding: 0.85rem 1rem;
    border-right: 1px solid var(--line);
}

.protocol-meta-grid > div:last-child {
    border-right: 0;
}

.meta-label {
    color: var(--muted);
    font-size: 0.78rem;
    font-weight: 800;
    text-transform: uppercase;
}

.protocol-block {
    display: grid;
    gap: 0.55rem;
    border: 1px solid var(--line);
    border-radius: 0.5rem;
    background: #ffffff;
    padding: 1rem;
}

.protocol-block h2 {
    margin: 0;
    color: var(--blue-dark);
    font-size: 1.15rem;
    line-height: 1.25;
}

.protocol-block p {
    margin: 0;
    color: var(--muted);
}

.protocol-list {
    display: grid;
    gap: 0.45rem;
    margin: 0;
    padding-left: 1.2rem;
    color: var(--ink);
}

.detail-table {
    min-width: 36rem;
}

.detail-table td {
    white-space: normal;
}

/* Step 2: Make DNS addresses and evidence metadata readable without losing exact values. */
.dns-results-table {
    min-width: 64rem;
}

.dns-address {
    display: block;
    width: fit-content;
    margin-top: 0.2rem;
    border-radius: 0.25rem;
    background: #eef3f8;
    padding: 0.08rem 0.3rem;
    overflow-wrap: anywhere;
}

.hash-value {
    overflow-wrap: anywhere;
}

.dns-errors,
.dns-records {
    display: grid;
    gap: 0.3rem;
    margin: 0.5rem 0 0;
    padding-left: 1.1rem;
    font-size: 0.88rem;
}

.dns-errors {
    color: var(--danger);
}

.inline-link {
    color: var(--blue);
    font-weight: 700;
    text-decoration: none;
}

.inline-link:hover,
.inline-link:focus {
    text-decoration: underline;
}

.block-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
}

.steps {
    display: grid;
    gap: 0.4rem;
    margin: 0;
    padding-left: 1.35rem;
    color: var(--ink);
}

.evidence-list {
    display: grid;
    gap: 0.65rem;
}

.evidence-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border: 1px solid var(--line);
    border-radius: 0.45rem;
    background: #fbfcfe;
    padding: 0.8rem;
}

.evidence-item div {
    display: grid;
    gap: 0.18rem;
}

.evidence-item strong {
    color: var(--blue-dark);
}

.evidence-item span {
    color: var(--muted);
    font-size: 0.92rem;
}

[hidden] {
    display: none !important;
}

@media (max-width: 820px) {
    .topbar-inner {
        align-items: flex-start;
        flex-direction: column;
    }

    .account-context {
        align-items: flex-start;
    }

    .brand {
        flex-direction: column;
        gap: 0.1rem;
    }

    .grid {
        grid-template-columns: 1fr;
    }

    .sidebar {
        position: static;
    }

    .protocol-meta-grid {
        grid-template-columns: 1fr;
    }

    .protocol-meta-grid > div {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .protocol-meta-grid > div:last-child {
        border-bottom: 0;
    }

    .evidence-item {
        align-items: flex-start;
        flex-direction: column;
    }
}