:root {
  color-scheme: light;
  --bg: #f5f7f8;
  --surface: #ffffff;
  --surface-muted: #eef2f3;
  --text: #152229;
  --muted: #54646d;
  --border: #c8d2d7;
  --primary: #075b50;
  --primary-hover: #06483f;
  --accent-text: #075b50;
  --link: #075c85;
  --focus: #c27d00;
  --danger: #a12920;
  --danger-bg: #fff1ef;
  --danger-border: #e7aaa5;
  --success: #17633a;
  --warning: #7a5200;
  --control-border: #84969e;
  --placeholder: #687981;
  --secondary-border: #6d818a;
  --header-bg: #102c32;
  --header-border: #28a493;
  --header-text: #ffffff;
  --nav-text: #e8f7f5;
  --nav-active: #245159;
  --notice-bg: #eaf7ef;
  --neutral-border: #23739b;
  --neutral-bg: #eaf5fa;
  --badge-bg: #31535b;
  --status-text: #233036;
  --status-bg: #dce4e7;
  --ready-text: #0d4f2d;
  --ready-bg: #d9f0e2;
  --warning-text: #5b3d00;
  --warning-bg: #f8e7bd;
  --failed-text: #84231c;
  --failed-bg: #f7d9d6;
  --table-head: #24434a;
  --table-stripe: #f4f7f8;
  --evidence-bg: #f2f6f7;
  --related-border: #78919a;
  --code-bg: #e8eef0;
  --radius: .55rem;
  --shadow: 0 1px 3px rgb(12 31 38 / 10%);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0b1114;
  --surface: #121b20;
  --surface-muted: #19252b;
  --text: #f2f6f7;
  --muted: #b7c4ca;
  --border: #566a73;
  --primary: #0c6b5f;
  --primary-hover: #0e8071;
  --accent-text: #70e1d0;
  --link: #8bd9ff;
  --focus: #ffc94d;
  --danger: #a83229;
  --danger-bg: #351817;
  --danger-border: #a95d56;
  --success: #57d38b;
  --warning: #ffd471;
  --control-border: #718690;
  --placeholder: #9aaab1;
  --secondary-border: #8ba0aa;
  --header-bg: #09171b;
  --header-border: #42b8a6;
  --header-text: #ffffff;
  --nav-text: #d9f3ef;
  --nav-active: #244d55;
  --notice-bg: #102d20;
  --neutral-border: #4eb4e7;
  --neutral-bg: #102936;
  --badge-bg: #31535b;
  --status-text: #eff6f8;
  --status-bg: #2b3a41;
  --ready-text: #a9edc8;
  --ready-bg: #143d2a;
  --warning-text: #ffe29a;
  --warning-bg: #3e310f;
  --failed-text: #ffc5bf;
  --failed-bg: #48201d;
  --table-head: #1f3a41;
  --table-stripe: #162127;
  --evidence-bg: #17252a;
  --related-border: #718690;
  --code-bg: #1b292f;
  --shadow: 0 1px 3px rgb(0 0 0 / 45%);
}

* { box-sizing: border-box; }
html { font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.5; color: var(--text); background: var(--bg); }
body { margin: 0; min-width: 0; color: var(--text); background: var(--bg); }
a { color: var(--link); text-underline-offset: .2em; }
a:hover { text-decoration-thickness: .15em; }
button, input, select, textarea { font: inherit; }
button, input, select, textarea, a { touch-action: manipulation; }
input::placeholder, textarea::placeholder { color: var(--placeholder); opacity: 1; }
:focus-visible { outline: .2rem solid var(--focus); outline-offset: .18rem; }
code, pre { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; overflow-wrap: anywhere; }
code { padding: .08em .28em; color: var(--text); background: var(--code-bg); border-radius: .22rem; }
pre { padding: .75rem; white-space: pre-wrap; color: var(--text); background: var(--code-bg); border: 1px solid var(--border); border-radius: .35rem; font-size: .85rem; }
pre code { padding: 0; background: transparent; }
h1, h2, h3 { line-height: 1.2; }
h1 { margin: .2rem 0 .5rem; font-size: clamp(2rem, 5vw, 3.2rem); letter-spacing: -.035em; }
h2 { margin-top: 0; }

.skip-link { position: fixed; z-index: 100; top: .5rem; left: .5rem; padding: .65rem 1rem; color: #fff; background: #000; transform: translateY(-160%); }
.skip-link:focus { transform: translateY(0); }
.site-header { background: var(--header-bg); color: var(--header-text); border-bottom: .25rem solid var(--header-border); }
.header-inner { max-width: 94rem; margin: 0 auto; padding: .8rem clamp(1rem, 3vw, 2rem); display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: .55rem; color: var(--header-text); font-size: 1.45rem; font-weight: 800; text-decoration: none; letter-spacing: .08em; }
.brand-logo { width: 3rem; height: 3rem; object-fit: contain; flex: 0 0 auto; }
.nav-list { display: flex; flex-wrap: wrap; gap: .2rem; padding: 0; margin: 0; list-style: none; }
.nav-list a { display: block; padding: .45rem .6rem; color: var(--nav-text); border-radius: .3rem; text-decoration: none; }
.nav-list a:hover, .nav-list a[aria-current="page"] { color: var(--header-text); background: var(--nav-active); }
.account { display: flex; align-items: center; gap: .55rem; margin-left: auto; flex-wrap: wrap; }
.account form { display: flex; align-items: center; gap: .4rem; }
.theme-control { display: flex; align-items: center; gap: .4rem; }
.theme-control label { color: inherit; font-size: .78rem; font-weight: 750; }
.theme-control select { min-height: 2.1rem; padding: .25rem 1.8rem .25rem .45rem; color: var(--header-text); background: var(--nav-active); border: 1px solid var(--header-border); border-radius: .35rem; }
.auth-tools { width: min(94rem, 100%); margin: 0 auto; padding: .75rem clamp(1rem, 3vw, 2rem) 0; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.auth-tools .brand { color: var(--text); }
.auth-tools .theme-control select { color: var(--text); background: var(--surface); border-color: var(--control-border); }

.page { width: min(94rem, 100%); min-height: calc(100vh - 11rem); margin: 0 auto; padding: 2rem clamp(1rem, 3vw, 2rem) 4rem; }
.auth-page { min-height: calc(100vh - 7rem); display: grid; place-items: center; padding: 1rem; }
.site-footer { padding: 1rem; color: var(--muted); text-align: center; border-top: 1px solid var(--border); }
.site-footer a { color: var(--link); font-weight: 700; }
.page-heading, .section-heading { display: flex; justify-content: space-between; align-items: flex-start; gap: 1rem; }
.page-heading { margin-bottom: 2rem; }
.section-heading { margin-bottom: 1rem; }
.section-heading h2, .section-heading h3, .section-heading p { margin-top: 0; }
.eyebrow { margin: 0; color: var(--accent-text); font-size: .78rem; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; }
.muted, .hint, .technical-note { color: var(--muted); }
.hint { display: block; font-size: .85rem; margin-top: .25rem; }
.technical-note { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); font-size: .85rem; }

.auth-card, .panel, .card, .metric, .evidence, .no-match, .error-page { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.auth-card { width: min(29rem, 100%); padding: clamp(1.4rem, 5vw, 2.5rem); }
.panel, .card, .evidence, .no-match, .error-page { padding: clamp(1rem, 3vw, 1.5rem); margin-bottom: 1rem; }
.error-page { max-width: 45rem; margin: 3rem auto; }
.danger-panel { background: var(--danger-bg); border-color: var(--danger-border); }
.card-grid, .metric-grid, .action-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); gap: 1rem; margin-bottom: 2rem; }
.metric-grid { grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr)); }
.metric { padding: 1rem; display: grid; gap: .35rem; }
.metric span { color: var(--muted); font-size: .86rem; }
.metric strong { font-size: 1.65rem; }
.stack { display: grid; gap: 1rem; }
.stack > .panel { margin-bottom: 0; }
.span-all { grid-column: 1 / -1; }
.empty-state { padding: 2rem; text-align: center; background: var(--surface-muted); border: 1px dashed var(--border); border-radius: var(--radius); }

.field { display: grid; gap: .35rem; align-content: start; margin-bottom: 1rem; }
.field label { font-weight: 700; }
.field input, .field select, .field textarea { width: 100%; padding: .65rem .7rem; color: var(--text); background: var(--surface); border: 1px solid var(--control-border); border-radius: .35rem; }
.field textarea { resize: vertical; }
.field.narrow { max-width: 14rem; }
.grow { flex: 1; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 1rem; }
.span-2 { grid-column: span 2; }
.search-form { display: flex; align-items: end; gap: 1rem; flex-wrap: wrap; }
.filter-bar { display: flex; align-items: end; gap: 1rem; flex-wrap: wrap; padding: 1rem; margin-bottom: 1.5rem; background: var(--surface-muted); border-radius: var(--radius); }
.filter-bar .field { margin: 0; }
.checkbox { display: flex; align-items: center; gap: .55rem; padding: .5rem 0; font-weight: 650; }
.checkbox input { width: 1.6rem; height: 1.6rem; }
.split { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
.inline-danger { margin-top: 1rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.form-status { min-width: 1px; color: var(--muted); font-size: .85rem; }

.button { display: inline-block; min-height: 2.75rem; padding: .62rem 1rem; border: 2px solid transparent; border-radius: .38rem; font-weight: 750; line-height: 1.3; text-align: center; text-decoration: none; cursor: pointer; }
.button.primary { color: #fff; background: var(--primary); }
.button.primary:hover { background: var(--primary-hover); }
.button.secondary { color: var(--text); background: var(--surface); border-color: var(--secondary-border); }
.button.danger { color: #fff; background: var(--danger); }
.button.compact { min-height: 2.1rem; padding: .32rem .6rem; font-size: .85rem; }
.button.full-width { width: 100%; }
.button:disabled { cursor: wait; }

.notice, .error-summary { padding: .9rem 1rem; margin-bottom: 1.25rem; border-left: .32rem solid var(--success); background: var(--notice-bg); }
.notice.neutral { border-color: var(--neutral-border); background: var(--neutral-bg); }
.error-summary { border-color: var(--danger); background: var(--danger-bg); }
.error-summary h2 { font-size: 1rem; margin: 0 0 .25rem; }
.error-summary p { margin: 0; }
.badge, .status { display: inline-block; padding: .18rem .5rem; border-radius: 99rem; font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.badge { color: #fff; background: var(--badge-bg); }
.status { color: var(--status-text); background: var(--status-bg); }
.status.ready, .status.active, .status.success, .status.succeeded, .status.answered { color: var(--ready-text); background: var(--ready-bg); }
.status.degraded, .status.queued, .status.retry_wait, .status.indexing, .status.running { color: var(--warning-text); background: var(--warning-bg); }
.status.not_ready, .status.failed, .status.cancelled, .status.deleted, .status.failure { color: var(--failed-text); background: var(--failed-bg); }

.table-wrap { max-width: 100%; overflow-x: auto; margin-bottom: 2rem; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: .91rem; }
th, td { padding: .7rem .8rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--border); }
thead th { color: #fff; background: var(--table-head); white-space: nowrap; }
tbody tr:last-child > * { border-bottom: 0; }
tbody tr:nth-child(even) { background: var(--table-stripe); }

.metadata, .compact-metadata { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr)); gap: .8rem 1rem; }
.metadata div, .compact-metadata div { min-width: 0; padding-top: .45rem; border-top: 1px solid var(--border); }
.metadata dt, .compact-metadata dt { color: var(--muted); font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .04em; }
.metadata dd, .compact-metadata dd { margin: .25rem 0 0; overflow-wrap: anywhere; }
.evidence-list { display: grid; gap: 1rem; }
.evidence-header { display: flex; justify-content: space-between; gap: .8rem; align-items: baseline; }
.evidence blockquote { margin: 1rem 0 1.4rem; padding: 1rem; white-space: pre-wrap; background: var(--evidence-bg); border-inline-start: .3rem solid var(--accent-text); }
.confidence { min-width: 11rem; display: grid; gap: .2rem; }
.confidence meter { width: 100%; }
.related { margin-top: 1.5rem; padding: 1.2rem; border: 1px dashed var(--related-border); border-radius: var(--radius); }
.related small { display: block; color: var(--muted); overflow-wrap: anywhere; }

@media (max-width: 58rem) {
  .account { width: 100%; margin-left: 0; }
  .page-heading, .section-heading { flex-direction: column; }
  .split { grid-template-columns: 1fr; }
}

@media (max-width: 40rem) {
  .header-inner { align-items: flex-start; }
  .brand-logo { width: 2.65rem; height: 2.65rem; }
  .nav-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .search-form > * { width: 100%; max-width: none !important; }
  .button { width: 100%; }
  .account .button { width: auto; }
}

@media (prefers-reduced-motion: no-preference) {
  .button, .nav-list a { transition: background-color .15s ease, color .15s ease; }
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    color-scheme: dark;
    --bg: #0b1114;
    --surface: #121b20;
    --surface-muted: #19252b;
    --text: #f2f6f7;
    --muted: #b7c4ca;
    --border: #566a73;
    --primary: #0c6b5f;
    --primary-hover: #0e8071;
    --accent-text: #70e1d0;
    --link: #8bd9ff;
    --focus: #ffc94d;
    --danger: #a83229;
    --danger-bg: #351817;
    --danger-border: #a95d56;
    --success: #57d38b;
    --warning: #ffd471;
    --control-border: #718690;
    --placeholder: #9aaab1;
    --secondary-border: #8ba0aa;
    --header-bg: #09171b;
    --header-border: #42b8a6;
    --header-text: #ffffff;
    --nav-text: #d9f3ef;
    --nav-active: #244d55;
    --notice-bg: #102d20;
    --neutral-border: #4eb4e7;
    --neutral-bg: #102936;
    --badge-bg: #31535b;
    --status-text: #eff6f8;
    --status-bg: #2b3a41;
    --ready-text: #a9edc8;
    --ready-bg: #143d2a;
    --warning-text: #ffe29a;
    --warning-bg: #3e310f;
    --failed-text: #ffc5bf;
    --failed-bg: #48201d;
    --table-head: #1f3a41;
    --table-stripe: #162127;
    --evidence-bg: #17252a;
    --related-border: #718690;
    --code-bg: #1b292f;
    --shadow: 0 1px 3px rgb(0 0 0 / 45%);
  }
}

@media (prefers-contrast: more) {
  :root { --border: #56676f; --control-border: #56676f; }
  :root[data-theme="dark"] { --border: #91a4ad; --control-border: #91a4ad; }
  .button { border-color: currentColor; }
}