/* Steward web UI. Plain CSS, light and dark themes (the same as Jarl's). */
:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1d2330;
  --muted: #5f6b7d;
  --hatch: rgba(95, 107, 125, 0.13);
  --border: #d9dee6;
  --accent: #2f5fb3;
  --accent-text: #ffffff;
  --accent-soft: #e5edfa;
  --ok: #1e7a46;
  --ok-soft: #e3f4ea;
  --warn: #8a5a00;
  --warn-soft: #fdf2d9;
  --err: #b3261e;
  --err-soft: #fbe7e5;
  --info-soft: #eef1f6;
  --code-bg: #f0f2f5;
  --add: #e6f6ea;
  --add-text: #135c2c;
  --del: #fde8e7;
  --del-text: #8c1d18;
  --hunk: #e8eefb;
  --shadow: 0 1px 2px rgba(20, 30, 50, 0.08);
  --radius: 6px;
  --vc-green: #3d8160; --vc-teal: #2f7c80; --vc-purple: #7a5ba8; --vc-pink: #a8557f;
  --vc-orange: #a8652f; --vc-yellow: #8a7424; --vc-red: #b0534c; --vc-grey: #6b7280;
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14171c;
    --panel: #1c2027;
    --text: #e3e7ee;
    --muted: #9aa5b5;
    --hatch: rgba(154, 165, 181, 0.12);
    --border: #2f3540;
    --accent: #6d9be8;
    --accent-text: #0f1520;
    --accent-soft: #23314a;
    --ok: #59c287;
    --ok-soft: #173326;
    --warn: #e5b450;
    --warn-soft: #3a2f15;
    --err: #f08077;
    --err-soft: #3c1f1d;
    --info-soft: #232833;
    --code-bg: #242933;
    --add: #183a25;
    --add-text: #9fe3b5;
    --del: #43201e;
    --del-text: #f7b2ac;
    --hunk: #23314a;
    --shadow: none;
    --vc-green: #8fcfa9; --vc-teal: #87cdd0; --vc-purple: #bca6e6; --vc-pink: #e6a6c6;
    --vc-orange: #ebbb8f; --vc-yellow: #e3d08e; --vc-red: #eba29c; --vc-grey: #aab2bf;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #14171c; --panel: #1c2027; --text: #e3e7ee; --muted: #9aa5b5; --border: #2f3540; --hatch: rgba(154, 165, 181, 0.12);
  --accent: #6d9be8; --accent-text: #0f1520; --accent-soft: #23314a; --ok: #59c287; --ok-soft: #173326;
  --warn: #e5b450; --warn-soft: #3a2f15; --err: #f08077; --err-soft: #3c1f1d; --info-soft: #232833;
  --code-bg: #242933; --add: #183a25; --add-text: #9fe3b5; --del: #43201e; --del-text: #f7b2ac; --hunk: #23314a;
  --shadow: none; color-scheme: dark;
  --vc-green: #8fcfa9; --vc-teal: #87cdd0; --vc-purple: #bca6e6; --vc-pink: #e6a6c6;
  --vc-orange: #ebbb8f; --vc-yellow: #e3d08e; --vc-red: #eba29c; --vc-grey: #aab2bf;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, Ubuntu, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code, pre, .mono, textarea.mono, input.mono { font-family: var(--mono); font-size: 13px; }
pre { background: var(--code-bg); padding: 10px 12px; border-radius: var(--radius); overflow: auto; margin: 0; white-space: pre; }
h1 { font-size: 20px; margin: 0 0 4px; }
h2 { font-size: 16px; margin: 18px 0 8px; }
h3 { font-size: 14px; margin: 14px 0 6px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.warn-text { color: var(--warn); }
.right { text-align: right; }
.hidden { display: none !important; }

/* Layout */
header.top {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: var(--panel); border-bottom: 1px solid var(--border);
  padding: 8px 16px; position: sticky; top: 0; z-index: 10;
}
header.top .brand { display: inline-flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; }
header.top .brand .logo { display: block; transition: transform 0.15s; }
header.top .brand .brand-name { display: block; color: var(--text); }
header.top .brand:hover { text-decoration: none; }
header.top .brand:hover .brand-name { color: var(--accent); }
header.top .brand:hover .logo { transform: scale(1.06); }
nav.main { display: flex; gap: 2px; flex-wrap: wrap; }
nav.main a { padding: 6px 10px; border-radius: var(--radius); color: var(--text); }
nav.main a:hover { background: var(--info-soft); text-decoration: none; }
nav.main a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
header.top .spacer { flex: 1; }
header.top form.search input { width: 220px; }
header.top .user { color: var(--muted); }
main { padding: 16px; max-width: 1400px; margin: 0 auto; }
.page-head { display: flex; align-items: flex-start; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; }
.page-head > .actions { padding: 4px 0; }
.filter-row + .panel, .actions + .panel { margin-top: 4px; }
.page-head .grow { flex: 1; min-width: 200px; }
.actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* Panels and cards */
.panel { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); margin-bottom: 14px; }
.panel > h2:first-child, .panel > h3:first-child { margin-top: 0; }
/* Tiles share a row and grow to fill it, so a wrapped tile never sits
   alone beside an empty space. */
.cards { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 14px; }
.cards > * { flex: 1 1 170px; min-width: 0; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); }
.card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.4px; }
.card .value { font-size: 18px; font-weight: 600; margin-top: 2px; }
.card .sub { color: var(--muted); font-size: 12px; margin-top: 4px; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; background: var(--panel); }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; white-space: nowrap; }
tr:hover td { background: var(--info-soft); }
td.data { font-family: var(--mono); font-size: 13px; word-break: break-all; }
td.name { font-family: var(--mono); font-size: 13px; white-space: nowrap; }
td.actions-cell { white-space: nowrap; text-align: right; width: 1%; }
tr.editing td { background: var(--accent-soft); }
tr.disabled td:not(.actions-cell), tr.disabled td strong { color: var(--muted); }
/* Disabled records: hatched, so they stand out from live and pending rows. */
tr.disabled td { background-image: repeating-linear-gradient(135deg, transparent 0 7px, var(--hatch) 7px 9px); }
.badge.off { background: var(--muted); color: var(--panel); }
button.toggle { min-width: 5.2em; }
.empty { color: var(--muted); padding: 18px; text-align: center; }

/* Forms */
input, select, textarea, button {
  font: inherit; color: var(--text);
}
input[type=text], input[type=password], input[type=number], input[type=search], input:not([type]), select, textarea {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 5px 8px; min-width: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
textarea { width: 100%; min-height: 80px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: minmax(140px, 200px) 1fr; gap: 8px 14px; align-items: start; }
.form-grid > label { padding-top: 6px; color: var(--muted); }
.form-grid .help { grid-column: 2; margin-top: -4px; color: var(--muted); font-size: 12px; }
.form-grid input, .form-grid select { width: 100%; max-width: 560px; }
.form-grid input[type=checkbox] { width: auto; }
.inline-form { display: flex; gap: 6px; flex-wrap: wrap; align-items: flex-end; }
.inline-form .f { display: flex; flex-direction: column; gap: 2px; }
.inline-form .f label:not(.check) { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.3px; }
.inline-form .grow { flex: 1; min-width: 220px; }
.inline-form .grow input { width: 100%; }
.hint { color: var(--muted); font-size: 12px; margin-top: 4px; }
.check { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; }

button, .button {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 5px 12px; cursor: pointer; white-space: nowrap; color: var(--text);
}
button:hover, .button:hover { background: var(--info-soft); text-decoration: none; }
button.primary, .button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-text); font-weight: 600; }
button.primary:hover { filter: brightness(1.08); background: var(--accent); }
button.danger { color: var(--err); border-color: var(--err); }
button.danger:hover { background: var(--err-soft); }
button.small, .button.small { padding: 2px 8px; font-size: 12px; }
button.link { border: none; background: none; color: var(--accent); padding: 0 4px; }
button:disabled { opacity: 0.5; cursor: not-allowed; }

/* Badges and messages */
.badge { display: inline-block; padding: 1px 7px; border-radius: 10px; font-size: 11px; font-weight: 600; background: var(--info-soft); color: var(--muted); white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.err { background: var(--err-soft); color: var(--err); }
.badge.accent { background: var(--accent-soft); color: var(--accent); }
.msg { border-radius: var(--radius); padding: 8px 12px; margin: 8px 0; border: 1px solid transparent; }
.msg.err { background: var(--err-soft); color: var(--err); border-color: var(--err); }
.msg.warn { background: var(--warn-soft); color: var(--warn); }
.msg.ok { background: var(--ok-soft); color: var(--ok); }
.msg.info { background: var(--info-soft); }
.msg ul { margin: 4px 0 0; padding-left: 18px; }
.problems { list-style: none; padding: 0; margin: 6px 0; }
.problems li { padding: 4px 8px; border-left: 3px solid var(--border); margin-bottom: 3px; background: var(--info-soft); border-radius: 0 var(--radius) var(--radius) 0; }
.problems li.error { border-color: var(--err); background: var(--err-soft); }
.problems li.warning { border-color: var(--warn); background: var(--warn-soft); }
.problems li .where { color: var(--muted); font-size: 12px; margin-left: 6px; }

/* Diff */

/* Tabs */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 12px; flex-wrap: wrap; }
.tabs a { padding: 7px 12px; border: 1px solid transparent; border-bottom: none; border-radius: var(--radius) var(--radius) 0 0; color: var(--muted); }
.tabs a.active { background: var(--panel); border-color: var(--border); color: var(--text); font-weight: 600; margin-bottom: -1px; }

/* Modal */
.modal-back { position: fixed; inset: 0; background: rgba(10, 15, 25, 0.45); display: flex; align-items: flex-start; justify-content: center; padding: 60px 16px; z-index: 50; overflow: auto; }
.modal { background: var(--panel); border-radius: 8px; border: 1px solid var(--border); width: min(760px, 100%); padding: 18px 20px; box-shadow: 0 10px 40px rgba(0,0,0,0.25); }
.modal.wide { width: min(1100px, 100%); }
.modal h2 { margin-top: 0; }
.modal .buttons { display: flex; justify-content: flex-end; gap: 8px; margin-top: 16px; }

/* Toasts */
#toasts { position: fixed; bottom: 16px; right: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 100; max-width: min(480px, calc(100% - 32px)); }
.toast { background: var(--panel); border: 1px solid var(--border); border-left: 4px solid var(--accent); padding: 10px 14px; border-radius: var(--radius); box-shadow: 0 4px 16px rgba(0,0,0,0.18); }
.toast.ok { border-left-color: var(--ok); }
.toast.err { border-left-color: var(--err); }
.toast.warn { border-left-color: var(--warn); }

/* Login */
.login { max-width: 360px; margin: 10vh auto; }
.login-logo { display: block; margin: 8px auto 10px; }
.login h1 { text-align: center; margin: 0 0 8px; }
.wordmark { display: block; width: 220px; height: auto; margin: 0 auto; color: var(--text); }
.wordmark-rule .fill { fill: var(--accent); }
.wordmark-rule .line { fill: none; stroke: var(--accent); stroke-width: 2.6; }
.login .tag { text-align: center; color: var(--muted); margin-bottom: 18px; }
.login form { display: flex; flex-direction: column; gap: 10px; }
.login input { width: 100%; padding: 8px 10px; }
.login button { justify-content: center; padding: 8px; }

.kv { display: grid; grid-template-columns: max-content 1fr; gap: 4px 16px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.grants { font-family: var(--mono); font-size: 12px; }
.copy-box { display: flex; gap: 6px; align-items: center; }
.login.wide { max-width: 520px; }
.copy-box input { flex: 1; font-family: var(--mono); }
.copy-box input { min-width: 0; }
td.break { word-break: break-all; }
@media (max-width: 700px) {
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .help { grid-column: 1; }
  header.top form.search input { width: 140px; }
}


.refreshing { opacity: 0.6; transition: opacity 0.2s; }
/* Secondary row actions show when the row is hovered or focused; touch
   screens, which can't hover, always show them. Opacity keeps them in the
   layout (no shifting) and reachable with Tab. */
tr .reveal { opacity: 0; transition: opacity 0.1s; }
tr:hover .reveal, tr:focus-within .reveal { opacity: 1; }
@media (hover: none) { tr .reveal { opacity: 1; } }
.filter-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; }
.segmented { display: inline-flex; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--panel); }
.segmented a { padding: 4px 12px; color: var(--text); border-right: 1px solid var(--border); text-decoration: none; font-variant-numeric: tabular-nums; }
.segmented a:last-child { border-right: none; }
.segmented a:hover { background: var(--info-soft); }
.segmented a.active { background: var(--accent); color: var(--accent-text); font-weight: 600; }
/* the "← Zones" link above a page's heading */
.back-link { font-size: 13px; margin-bottom: 2px; }

tr.selected td { background: var(--accent-soft); }
/* the page footer with the Steward build */
.shell { min-height: 100vh; display: flex; flex-direction: column; }
.shell > main { flex: 1; width: 100%; }
footer.site { padding: 12px 16px 16px; text-align: center; font-size: 12px; color: var(--muted); }
footer.site a { color: var(--muted); text-decoration: underline; text-decoration-color: var(--border); text-underline-offset: 2px; }
footer.site a:hover { color: var(--accent); text-decoration-color: currentColor; }

/* a request in progress */
.spinner { display: inline-block; width: 11px; height: 11px; margin-right: 6px; vertical-align: -1px; border: 2px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; border-top-color: var(--border); background: var(--accent-soft); } }

.err-text { color: var(--err); }
ul.plain { list-style: none; margin: 8px 0; padding: 0; }
ul.plain li { padding: 3px 0; }
/* Drop-down menus in the top bar (Server, the user). */
details.menu { position: relative; }
details.menu > summary { list-style: none; cursor: pointer; padding: 6px 10px; border-radius: var(--radius); color: var(--text); white-space: nowrap; }
details.menu > summary::-webkit-details-marker { display: none; }
details.menu > summary:hover, details.menu[open] > summary { background: var(--info-soft); }
details.menu > summary.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
details.menu > summary .caret { margin-left: 4px; font-size: 0.8em; opacity: 0.7; }
details.menu > summary .user { color: inherit; }
details.menu .menu-list {
  position: absolute; top: calc(100% + 4px); left: 0; z-index: 20; min-width: 190px;
  display: flex; flex-direction: column; padding: 4px;
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}
details.menu.right .menu-list { left: auto; right: 0; }
details.menu .menu-list a, details.menu .menu-list .menu-item {
  display: block; padding: 7px 10px; border-radius: var(--radius); color: var(--text); text-align: left;
  background: none; border: 0; font: inherit; cursor: pointer; white-space: nowrap;
}
details.menu .menu-list a:hover, details.menu .menu-list .menu-item:hover { background: var(--info-soft); text-decoration: none; }
details.menu .menu-list a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
nav.main { align-items: center; }
header.top .header-right { display: flex; align-items: center; gap: 12px; margin-left: auto; }
@media (max-width: 1200px) {
  header.top form.search input { width: 160px; }
  header.top { gap: 10px; }
}

button.chip { padding: 1px 8px; font-size: 12px; font-family: var(--mono); border-radius: 999px; background: var(--info-soft); border: 1px solid var(--border); color: var(--text); }
button.chip:hover { background: var(--accent-soft); border-color: var(--accent); }

/* ---- Steward */
.wordmark-rule .tag { fill: var(--accent); font: 700 17px system-ui, sans-serif; letter-spacing: 0.5px; }
.login .wordmark { width: 290px; }
.subnet-usage { width: 260px; }
/* How full a subnet's pools are. */
.usage { min-width: 120px; }
.usage-bar { display: flex; height: 8px; border-radius: 4px; background: var(--info-soft); overflow: hidden; border: 1px solid var(--border); margin-top: 3px; }
.usage-bar .seg.leased { background: var(--accent); }
.usage-bar .seg.declined { background: var(--warn); }
.usage-bar.full .seg.leased { background: var(--err); }
.usage-text { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
/* Interfaces: serving or not. */
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; vertical-align: 1px; background: var(--muted); }
.dot.ok { background: var(--ok); }
.dot.err { background: var(--err); }
.iface-list { display: flex; flex-direction: column; gap: 6px; }
.iface-list .iface { display: flex; gap: 10px; flex-wrap: wrap; align-items: baseline; }
.iface-list .iface .name { font-family: var(--mono); font-weight: 600; min-width: 8ch; }
/* The options editor: a row per option. */
.opt-rows { display: flex; flex-direction: column; gap: 6px; }
.opt-row { display: flex; gap: 6px; align-items: flex-start; flex-wrap: wrap; }
.opt-row select { width: 15em; }
.opt-row input.value { flex: 1; min-width: 14em; font-family: var(--mono); }
.opt-row select.type { width: 8em; }
.opt-row .help { flex-basis: 100%; color: var(--muted); font-size: 12px; margin: -2px 0 2px; }
.opt-inherited { color: var(--muted); font-size: 12px; margin-top: 6px; }
.opt-inherited code { font-family: var(--mono); }
/* Pools editor. */
.pool-rows { display: flex; flex-direction: column; gap: 6px; }
.pool-row { display: flex; gap: 6px; align-items: center; }
.pool-row input { font-family: var(--mono); width: 18em; }
/* Activity: one line per message. */
table.activity td { white-space: nowrap; }
table.activity td.detail { white-space: normal; color: var(--muted); }
.type-OFFER, .type-ACK { color: var(--ok); }
.type-NAK, .type-DECLINE, .type-CONFLICT, .type-NO { color: var(--err); }
.type-RELEASE { color: var(--muted); }
td.mono, span.mono { font-family: var(--mono); font-size: 13px; }
.mt { margin-top: 10px; }
input:disabled, select:disabled, textarea:disabled { background: var(--info-soft); color: var(--muted); cursor: not-allowed; opacity: 1; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; }
.panel-head h2 { margin: 0; }
pre.wrap { white-space: pre-wrap; word-break: break-all; font-size: 12px; }