/*
 * JumpControl — Operations Console UI
 * One presentation layer for the whole product. Business forms and endpoints
 * remain server rendered; this file only defines the visual system.
 */
:root {
  color-scheme: light;
  --jc-bg: #f4f7fb;
  --jc-surface: #ffffff;
  --jc-surface-muted: #f8fafc;
  --jc-surface-soft: #eef3f8;
  --jc-sidebar: #071d38;
  --jc-sidebar-2: #0b2b51;
  --jc-sidebar-text: #dbe7f5;
  --jc-sidebar-muted: #8da4bf;
  --jc-text: #12233d;
  --jc-text-strong: #0a1b32;
  --jc-muted: #647792;
  --jc-border: #dce5ef;
  --jc-border-strong: #cbd8e6;
  --jc-primary: #1769e8;
  --jc-primary-hover: #0e58c9;
  --jc-success: #138a58;
  --jc-warning: #b76a08;
  --jc-danger: #d23838;
  --jc-shadow: 0 8px 22px rgba(22, 52, 88, .06);
  --jc-shadow-lg: 0 20px 50px rgba(14, 35, 66, .16);
  --jc-radius: 10px;
  --jc-radius-sm: 7px;
}

html.theme-dark,
html[data-theme="dark"] {
  color-scheme: dark;
  --jc-bg: #0d1726;
  --jc-surface: #142235;
  --jc-surface-muted: #182a40;
  --jc-surface-soft: #1d3149;
  --jc-sidebar: #061426;
  --jc-sidebar-2: #0b203b;
  --jc-sidebar-text: #e4eefb;
  --jc-sidebar-muted: #93a9c1;
  --jc-text: #e5edf7;
  --jc-text-strong: #f5f8fc;
  --jc-muted: #9badc3;
  --jc-border: #2a3e58;
  --jc-border-strong: #38516d;
  --jc-primary: #5b99ff;
  --jc-primary-hover: #79adff;
  --jc-success: #45c58d;
  --jc-warning: #e2aa55;
  --jc-danger: #f07a7a;
  --jc-shadow: 0 8px 22px rgba(0, 0, 0, .18);
  --jc-shadow-lg: 0 20px 50px rgba(0, 0, 0, .36);
}

* { box-sizing: border-box; }
html { min-height: 100%; background: var(--jc-bg); }
body {
  margin: 0;
  min-height: 100%;
  background: var(--jc-bg);
  color: var(--jc-text);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}
a { color: var(--jc-primary); text-decoration: none; }
a:hover { color: var(--jc-primary-hover); }
h1, h2, h3, h4, b, strong { color: var(--jc-text-strong); }
h1, h2, h3, h4, p { margin-top: 0; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; }
.muted, small, label small { color: var(--jc-muted); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; }

/* Application frame */
body.app-shell { overflow-x: hidden; }
.sidebar {
  position: fixed; inset: 0 auto 0 0; z-index: 30;
  display: flex; flex-direction: column;
  width: 214px; padding: 24px 14px 16px;
  background: var(--jc-sidebar); color: var(--jc-sidebar-text);
  border-right: 1px solid rgba(255,255,255,.06);
  transition: width .18s ease;
}
.side-brand { display: flex; align-items: center; gap: 11px; min-height: 48px; padding: 0 9px 24px; }
.side-brand > div:last-child { min-width: 0; }
.side-brand b { display: block; color: #f7fbff; font-size: 15px; line-height: 1.2; white-space: nowrap; }
.side-brand small { display: block; margin-top: 4px; color: var(--jc-sidebar-muted); font-size: 10px; white-space: nowrap; }
.logo { display: grid; place-items: center; flex: 0 0 auto; width: 38px; height: 38px; border-radius: 9px; background: #1769e8; color: #fff; font-weight: 800; }
.shield-logo { position: relative; border-radius: 11px 11px 13px 13px; }
.shield-logo::after { content: ''; position: absolute; inset: 7px 10px 8px; border: 1.5px solid rgba(255,255,255,.9); border-radius: 7px 7px 10px 10px; }
.sidebar nav { display: flex; flex-direction: column; gap: 3px; }
.sidebar nav a {
  display: grid; grid-template-columns: 22px minmax(0, 1fr); align-items: center; gap: 10px;
  min-height: 42px; padding: 9px 10px; border: 1px solid transparent; border-radius: 7px;
  color: var(--jc-sidebar-muted); font-weight: 600;
}
.sidebar nav a:hover { color: #fff; background: var(--jc-sidebar-2); }
.sidebar nav a.active { color: #fff; background: #195da9; border-color: rgba(127,183,255,.28); box-shadow: inset 3px 0 #65a5ff; }
.nav-icon { display: grid; place-items: center; width: 22px; height: 22px; color: currentColor; font-size: 16px; line-height: 1; }
.sidebar-collapse {
  display: flex; align-items: center; gap: 7px; width: 100%; margin-top: auto; padding: 9px 10px;
  border: 0; border-radius: 7px; background: transparent; color: var(--jc-sidebar-muted); text-align: left;
}
.sidebar-collapse:hover { background: var(--jc-sidebar-2); color: #fff; }
.side-foot { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin-top: 14px; padding: 14px 9px 0; border-top: 1px solid rgba(255,255,255,.13); }
.side-user, .user-chip { display: flex; align-items: center; gap: 9px; min-width: 0; }
.side-user > span:last-child, .user-chip > span:last-child { min-width: 0; }
.side-user b, .user-chip b { display: block; color: inherit; font-size: 12px; line-height: 1.25; white-space: nowrap; }
.side-user small, .user-chip small { display: block; margin-top: 2px; color: var(--jc-sidebar-muted); font-size: 10px; white-space: nowrap; }
.avatar { display: grid; place-items: center; flex: 0 0 auto; width: 30px; height: 30px; border-radius: 50%; background: #e4efff; color: #1769e8; font-size: 12px; font-weight: 800; }
.logout-form { margin: 0; }
.linklike { padding: 0; border: 0; background: transparent; color: inherit; text-decoration: none; }
.linklike:hover { color: #fff; }
.content { min-height: 100vh; margin-left: 214px; padding: 0 32px 52px; transition: margin-left .18s ease; }
html.sidebar-collapsed .sidebar { width: 72px; padding-left: 10px; padding-right: 10px; }
html.sidebar-collapsed .content { margin-left: 72px; }
html.sidebar-collapsed .side-brand { justify-content: center; padding-left: 0; padding-right: 0; }
html.sidebar-collapsed .side-brand > div:last-child,
html.sidebar-collapsed .sidebar nav a > span:not(.nav-icon),
html.sidebar-collapsed .side-foot > *,
html.sidebar-collapsed .sidebar-collapse > span:last-child { display: none; }
html.sidebar-collapsed .sidebar-collapse { justify-content: center; }
html.sidebar-collapsed .side-foot { justify-content: center; padding-left: 0; padding-right: 0; }

.topbar {
  display: flex; align-items: center; justify-content: flex-end; gap: 16px;
  min-height: 62px; margin: 0 -32px; padding: 0 32px;
  border-bottom: 1px solid var(--jc-border); background: var(--jc-surface);
}
.topbar-main { min-width: 0; margin-right: auto; }
.topbar-main:empty { display: none; }
.topbar-main h1 { margin: 0; font-size: 19px; }
.topbar-main p { margin: 3px 0 0; color: var(--jc-muted); font-size: 11px; }
.topbar-actions { display: flex; align-items: center; gap: 10px; }
.topbar .pill { display: none; }
.user-chip { padding-left: 10px; border-left: 1px solid var(--jc-border); }
.user-chip b { color: var(--jc-text); }
.user-chip small { color: var(--jc-muted); }
.theme-toggle { min-height: 32px; padding: 6px 10px; border: 1px solid var(--jc-border); border-radius: 6px; background: var(--jc-surface); color: var(--jc-text); font-size: 12px; }
.theme-toggle:hover { border-color: var(--jc-primary); color: var(--jc-primary); background: var(--jc-surface-muted); }
.page-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; min-height: 104px; padding: 22px 0 20px; }
.page-heading-main { min-width: 0; }
.page-heading > div { min-width: 0; }
.page-breadcrumb { margin-bottom: 8px; color: var(--jc-muted); font-size: 12px; }
.page-heading h1 { margin: 0; color: var(--jc-text-strong); font-size: 27px; line-height: 1.2; letter-spacing: -.035em; }
.page-heading p { margin: 6px 0 0; color: var(--jc-muted); font-size: 12px; }
.page-heading-actions { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 8px; margin-left: auto; }
.page-heading-actions form { margin: 0; }

/* Common surfaces and controls */
.panel, .card, .chart-card, .node-card, .login-card, .install-card {
  border: 1px solid var(--jc-border); border-radius: var(--jc-radius); background: var(--jc-surface); box-shadow: var(--jc-shadow);
}
.panel { margin: 0 0 16px; padding: 20px; }
.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.panel-head > * { min-width: 0; }
.panel-head h2, .panel > h2 { margin: 0; color: var(--jc-text-strong); font-size: 18px; letter-spacing: -.015em; }
.panel-head p { margin: 4px 0 0; line-height: 1.55; }
.section-kicker { display: block; margin-bottom: 5px; color: var(--jc-primary); font-size: 10px; font-weight: 800; letter-spacing: .1em; }
.inline-actions, .actions, .quick-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.inline-actions form, .actions form, .quick-actions form { margin: 0; }
button, .mini-btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 36px; padding: 7px 12px;
  border: 1px solid transparent; border-radius: 6px; background: var(--jc-primary); color: #fff;
  font-weight: 700; line-height: 1.2; white-space: nowrap; box-shadow: none;
}
button:hover, .mini-btn:hover { background: var(--jc-primary-hover); color: #fff; }
button.ghost, .ghost, a.mini-btn.ghost { border-color: var(--jc-border); background: var(--jc-surface); color: var(--jc-text); }
button.ghost:hover, .ghost:hover, a.mini-btn.ghost:hover { border-color: var(--jc-primary); background: var(--jc-surface-muted); color: var(--jc-primary); }
button.danger, .danger { background: var(--jc-danger); color: #fff; }
button.danger:hover, .danger:hover { background: #b82732; color: #fff; }
button.linklike { min-height: 0; background: transparent; color: inherit; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 2px solid var(--jc-primary); outline-offset: 2px; }
input, select, textarea {
  width: 100%; min-height: 38px; padding: 8px 10px; border: 1px solid var(--jc-border-strong); border-radius: 6px;
  background: var(--jc-surface); color: var(--jc-text); outline: 0;
}
input::placeholder, textarea::placeholder { color: var(--jc-muted); opacity: .82; }
input:focus, select:focus, textarea:focus { border-color: var(--jc-primary); box-shadow: 0 0 0 3px rgba(23,105,232,.12); }
textarea { min-height: 110px; resize: vertical; line-height: 1.55; }
label { display: flex; flex-direction: column; gap: 6px; min-width: 0; color: var(--jc-text); font-weight: 650; }
label small { font-weight: 400; line-height: 1.45; }
.form { display: grid; gap: 14px; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.full { grid-column: 1 / -1; }
.inline, .filterbar { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.filterbar { margin: 14px 0; padding: 10px; border: 1px solid var(--jc-border); border-radius: 7px; background: var(--jc-surface-muted); }
.filterbar input, .filterbar select { width: auto; min-width: 140px; }
.filterbar input[type="date"] { min-width: 142px; }
.checkline, .checks-mini label { display: flex; flex-direction: row; align-items: center; gap: 9px; width: auto; min-height: 38px; padding: 8px 10px; border: 1px solid var(--jc-border); border-radius: 6px; background: var(--jc-surface-muted); font-weight: 600; }
input[type="checkbox"], input[type="radio"] { width: 16px !important; min-width: 16px !important; max-width: 16px !important; height: 16px !important; min-height: 16px !important; margin: 0 !important; padding: 0 !important; accent-color: var(--jc-primary); }
.checks-mini { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.checks-mini label { font-size: 12px; }
.cc-box { display: none; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; padding: 14px; border: 1px solid var(--jc-border); border-radius: 7px; background: var(--jc-surface-muted); }
.alert { margin: 14px 0; padding: 11px 13px; border: 1px solid var(--jc-border); border-radius: 7px; line-height: 1.55; }
.alert.ok { border-color: rgba(19,138,88,.24); background: rgba(19,138,88,.09); color: var(--jc-success); }
.alert.warn, .warntext { border-color: rgba(183,106,8,.28); background: rgba(183,106,8,.09); color: var(--jc-warning); }
.alert.bad { border-color: rgba(210,56,56,.26); background: rgba(210,56,56,.09); color: var(--jc-danger); }
.warntext { margin: 12px 0; padding: 10px 12px; }
.err { color: var(--jc-danger); }
.topgap { margin-top: 12px; }
code, pre { display: block; max-width: 100%; padding: 10px 11px; border: 1px solid var(--jc-border); border-radius: 6px; background: var(--jc-surface-muted); color: var(--jc-text); font: 12px/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; white-space: pre-wrap; word-break: break-word; }
pre { max-height: 360px; overflow: auto; }
.modal-note { padding: 10px 12px; border: 1px solid rgba(23,105,232,.2); border-radius: 6px; background: rgba(23,105,232,.07); color: var(--jc-muted); line-height: 1.55; }

/* Tables and status */
.table-wrap { overflow-x: auto; border: 1px solid var(--jc-border); border-radius: 7px; background: var(--jc-surface); }
table { width: 100%; border-collapse: separate; border-spacing: 0; }
th, td { padding: 11px 12px; text-align: left; vertical-align: middle; border-bottom: 1px solid var(--jc-border); }
th { background: var(--jc-surface-muted); color: var(--jc-muted); font-size: 11px; font-weight: 750; white-space: nowrap; }
td { color: var(--jc-text); font-size: 12px; }
tr:last-child td { border-bottom: 0; }
tr:hover td { background: var(--jc-surface-muted); }
td small { display: block; margin-top: 3px; line-height: 1.35; }
.compact-table th, .compact-table td { padding: 10px 11px; }
.compact-table b { color: var(--jc-text-strong); }
.commercial-table { min-width: 760px; }
.node-list-table { min-width: 840px; }
.node-list-table th:nth-child(5), .node-list-table td:nth-child(5),
.node-list-table th:nth-child(6), .node-list-table td:nth-child(6),
.node-list-table th:nth-child(7), .node-list-table td:nth-child(7),
.node-list-table th:nth-child(9), .node-list-table td:nth-child(9),
.node-list-table th:nth-child(10), .node-list-table td:nth-child(10) { display: none; }
.node-list-table .actions { white-space: nowrap; }
.node-row-actions > *[hidden] { display: none !important; }
.badge { display: inline-flex; align-items: center; min-height: 22px; padding: 3px 7px; border: 1px solid transparent; border-radius: 5px; font-size: 11px; font-weight: 750; white-space: nowrap; }
.badge.ok, .badge.success { border-color: rgba(19,138,88,.24); background: rgba(19,138,88,.09); color: var(--jc-success); }
.badge.warn, .badge.new { border-color: rgba(183,106,8,.25); background: rgba(183,106,8,.09); color: var(--jc-warning); }
.badge.error, .badge.bad { border-color: rgba(210,56,56,.24); background: rgba(210,56,56,.09); color: var(--jc-danger); }
.badge.info { border-color: rgba(23,105,232,.22); background: rgba(23,105,232,.09); color: var(--jc-primary); }
.pager { display: flex; align-items: center; justify-content: flex-end; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.pager a, .pager span { display: inline-flex; align-items: center; justify-content: center; min-width: 30px; min-height: 30px; padding: 4px 8px; border: 1px solid var(--jc-border); border-radius: 5px; background: var(--jc-surface); color: var(--jc-text); font-size: 12px; }
.pager a.active { border-color: var(--jc-primary); background: var(--jc-primary); color: #fff; }
.nowrap { white-space: nowrap; }

/* Dashboard and charts */
.cards { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px; }
.card { min-height: 112px; padding: 16px; }
.card small { display: block; font-size: 11px; font-weight: 700; }
.card b { display: block; margin: 8px 0 4px; font-size: 25px; line-height: 1.1; letter-spacing: -.03em; }
.card span { color: var(--jc-muted); font-size: 11px; }
.dashboard-cards .card { border-top: 3px solid var(--jc-primary); }
.dashboard-cards .card:nth-child(2) { border-top-color: var(--jc-success); }
.dashboard-cards .card:nth-child(3) { border-top-color: #8659c7; }
.dashboard-cards .card:nth-child(4) { border-top-color: var(--jc-warning); }
.trend-panel { padding-bottom: 18px; }
.trend-head { align-items: flex-start; }
.trend-filter { justify-content: flex-end; margin: 0; padding: 0; border: 0; background: transparent; }
.trend-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.single-trend { display: block; }
.chart-card { min-height: 300px; padding: 16px; box-shadow: none; }
.chart-title { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 10px; }
.chart-title b { font-size: 14px; }
.chart-title small { color: var(--jc-muted); }
.trend-chart-toolbar label { display: flex; flex-direction: row; align-items: center; gap: 8px; color: var(--jc-muted); font-size: 11px; }
.trend-chart-toolbar select { width: 132px; min-height: 32px; }
.line-chart { position: relative; min-height: 245px; }
.trend-svg { display: block; width: 100%; height: 245px; }
.gridline { stroke: var(--jc-border); stroke-width: 1; }
.axis-label { fill: var(--jc-muted); font-size: 11px; }
.line-path { fill: none; stroke: var(--jc-primary); stroke-width: 2.5; stroke-linecap: round; stroke-linejoin: round; }
.line-area { fill: rgba(23,105,232,.09); }
.chart-tooltip { position: absolute; z-index: 5; min-width: 150px; padding: 8px 10px; border-radius: 5px; background: var(--jc-sidebar); color: #fff; font-size: 11px; pointer-events: none; }
.chart-tooltip b, .chart-tooltip span { display: block; }
.chart-empty { display: grid; place-items: center; min-height: 210px; border: 1px dashed var(--jc-border-strong); border-radius: 6px; color: var(--jc-muted); }

/* Node operations */
.node-command-panel { padding: 18px 20px; }
.node-command-panel .panel-head { margin-bottom: 0; }
.node-command-panel .panel-head p { max-width: 680px; font-size: 12px; }
.node-command-panel > .node-overview-cards { margin-top: 18px; margin-bottom: 0; }
.node-overview-cards { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
.node-overview-card { display: flex; align-items: center; gap: 11px; min-height: 92px; padding: 14px; border: 1px solid var(--jc-border); border-radius: 8px; background: var(--jc-surface); box-shadow: var(--jc-shadow); }
.overview-icon { display: grid; place-items: center; flex: 0 0 auto; width: 34px; height: 34px; border-radius: 7px; background: rgba(23,105,232,.1); color: var(--jc-primary); font-size: 14px; }
.node-overview-card.is-success .overview-icon { background: rgba(19,138,88,.1); color: var(--jc-success); }
.node-overview-card.is-warning .overview-icon { background: rgba(183,106,8,.1); color: var(--jc-warning); }
.node-overview-card.is-info .overview-icon { background: rgba(23,105,232,.1); color: var(--jc-primary); }
.node-overview-card small, .node-overview-card span { display: block; color: var(--jc-muted); font-size: 10px; }
.node-overview-card b { display: block; margin: 3px 0; font-size: 20px; line-height: 1; }
.node-overview-card b em { color: var(--jc-muted); font-size: 12px; font-style: normal; font-weight: 500; }
.cluster-list-panel { padding-bottom: 18px; }
.cluster-table-source > .cluster-table { display: none; }
.cluster-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.cluster-card { position: relative; min-width: 0; padding: 15px; border: 1px solid var(--jc-border); border-radius: 8px; background: var(--jc-surface); }
.cluster-card.is-selected { border-color: var(--jc-primary); box-shadow: 0 0 0 2px rgba(23,105,232,.1); }
.cluster-card-head { display: flex; align-items: flex-start; gap: 9px; }
.cluster-card-icon { display: grid; place-items: center; flex: 0 0 auto; width: 28px; height: 28px; border-radius: 6px; background: rgba(23,105,232,.1); color: var(--jc-primary); }
.cluster-card-title { min-width: 0; flex: 1; }
.cluster-card-title h3 { overflow: hidden; margin: 0 0 3px; font-size: 14px; text-overflow: ellipsis; white-space: nowrap; }
.cluster-card-title p { overflow: hidden; margin: 0; color: var(--jc-muted); font-size: 11px; text-overflow: ellipsis; white-space: nowrap; }
.cluster-region, .cluster-current { flex: 0 0 auto; padding: 3px 6px; border-radius: 4px; background: var(--jc-surface-muted); color: var(--jc-muted); font-size: 10px; font-weight: 700; }
.cluster-current { background: rgba(23,105,232,.1); color: var(--jc-primary); }
.cluster-card-meta { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 6px; margin: 16px 0 13px; }
.cluster-card-meta > div { min-width: 0; padding-right: 6px; border-right: 1px solid var(--jc-border); }
.cluster-card-meta > div:last-child { border-right: 0; }
.cluster-card-meta small, .cluster-card-meta b { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.cluster-card-meta small { margin-bottom: 3px; color: var(--jc-muted); font-size: 10px; }
.cluster-card-meta b { font-size: 12px; }
.cluster-card-actions { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.cluster-more { position: relative; }
.cluster-more summary { padding: 6px 8px; cursor: pointer; color: var(--jc-muted); font-size: 11px; font-weight: 700; list-style: none; }
.cluster-more summary::-webkit-details-marker { display: none; }
.cluster-more-body { position: absolute; z-index: 10; right: 0; top: 32px; display: grid; min-width: 120px; gap: 5px; padding: 7px; border: 1px solid var(--jc-border); border-radius: 6px; background: var(--jc-surface); box-shadow: var(--jc-shadow-lg); }
.cluster-more-body button, .cluster-more-body form, .cluster-more-body .mini-btn { width: 100%; margin: 0; }
.node-ops-panel .panel-head { align-items: flex-start; }
.node-ops-panel .panel-head p { font-size: 11px; }
.node-empty-state, .cluster-empty-state { display: grid; place-items: center; min-height: 190px; padding: 24px; text-align: center; }
.node-empty-icon { display: grid; place-items: center; width: 54px; height: 54px; margin-bottom: 12px; border-radius: 12px; background: rgba(23,105,232,.1); color: var(--jc-primary); font-size: 24px; }
.node-empty-state h3, .cluster-empty-state h3 { margin-bottom: 6px; font-size: 16px; }
.node-empty-state p, .cluster-empty-state p { max-width: 460px; margin-bottom: 14px; color: var(--jc-muted); }
.node-inline-error td { background: rgba(210,56,56,.08); color: var(--jc-danger); font-weight: 650; }
.node-cluster-switcher { display: flex; flex-direction: row; align-items: center; gap: 10px; width: min(330px, 100%); margin-bottom: 12px; color: var(--jc-text); font-size: 12px; font-weight: 700; }
.node-cluster-switcher > span { flex: 0 0 auto; white-space: nowrap; }
.node-cluster-switcher select { width: min(250px, 100%); min-height: 34px; background: var(--jc-surface); }
.node-cluster-selected .node-command-panel .section-kicker,
.node-cluster-selected .node-command-panel .panel-head h2,
.node-cluster-selected .node-command-panel .panel-head p { display: none; }
.node-cluster-selected .node-command-panel .panel-head { align-items: center; }
.node-cluster-selected .node-overview-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.node-cluster-selected .node-summary-secondary { display: none; }
.cluster-list-panel[hidden] { display: none !important; }
.node-cluster-management { margin-left: 0; }

/* Node operation side sheet */
dialog { width: min(900px, calc(100vw - 40px)); max-width: calc(100vw - 40px); max-height: 90vh; padding: 0; border: 1px solid var(--jc-border); border-radius: 10px; background: var(--jc-surface); color: var(--jc-text); box-shadow: var(--jc-shadow-lg); }
dialog::backdrop { background: rgba(7,29,56,.42); }
dialog > .modal, dialog > form.modal, dialog > div.modal { position: relative; padding: 24px; background: var(--jc-surface); }
dialog.wide { width: min(1080px, calc(100vw - 40px)); max-width: calc(100vw - 40px); }
dialog h2 { margin: 0 42px 12px 0; color: var(--jc-text-strong); font-size: 20px; }
dialog .actions { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--jc-border); justify-content: flex-end; }
.modal-close { position: absolute; z-index: 2; top: 14px; right: 14px; display: grid; place-items: center; width: 34px; height: 34px; min-width: 34px; min-height: 34px; padding: 0; border: 1px solid var(--jc-border); border-radius: 6px; background: var(--jc-surface); color: var(--jc-text); font-size: 22px; font-weight: 500; line-height: 1; }
.modal-close:hover { border-color: var(--jc-danger); background: rgba(210,56,56,.08); color: var(--jc-danger); }
dialog.node-ops-dialog[open] { position: fixed; inset: 0 0 0 auto; width: min(390px, 100vw); max-width: min(390px, 100vw); height: 100dvh; max-height: 100dvh; margin: 0; border-width: 0 0 0 1px; border-radius: 0; overflow-y: auto; }
dialog.node-ops-dialog::backdrop { background: transparent; }
dialog.node-ops-dialog > .modal { min-height: 100%; padding: 24px 20px 28px; }
.ops-summary { display: grid; grid-template-columns: 1fr; gap: 7px; margin-bottom: 14px; }
.ops-summary > div { padding: 10px 11px; border: 1px solid var(--jc-border); border-radius: 6px; background: var(--jc-surface-muted); }
.ops-summary small, .ops-summary b { display: block; }
.ops-summary small { margin-bottom: 3px; color: var(--jc-muted); font-size: 10px; }
.ops-summary b { font-size: 12px; }
.ops-section, .ops-accordion { margin-top: 9px; border: 1px solid var(--jc-border); border-radius: 7px; background: var(--jc-surface); overflow: hidden; }
.ops-section { padding: 13px; }
.ops-section h3 { margin: 0 0 9px; font-size: 14px; }
.ops-accordion summary { display: flex; align-items: center; justify-content: space-between; min-height: 46px; padding: 11px 13px; cursor: pointer; color: var(--jc-text); font-weight: 700; list-style: none; }
.ops-accordion summary::-webkit-details-marker { display: none; }
.ops-accordion summary::after { content: '+'; color: var(--jc-muted); font-size: 18px; font-weight: 400; }
.ops-accordion[open] summary { border-bottom: 1px solid var(--jc-border); }
.ops-accordion[open] summary::after { content: '−'; }
.ops-accordion-body { padding: 12px 13px 13px; }
.ops-accordion-body .ops-buttons { display: grid; gap: 7px; }
.ops-accordion-body .ops-buttons > *, .ops-accordion-body .ops-buttons form { width: 100%; }
.ops-accordion-body .ops-buttons button, .ops-accordion-body .ops-buttons .mini-btn { width: 100%; }

/* Settings */
.settings-page-panel { padding: 0; overflow: hidden; }
.settings-page-panel > h2, .settings-intro { display: none; }
.settings-form { gap: 0; }
.settings-accordion { grid-column: 1 / -1; border-bottom: 1px solid var(--jc-border); background: var(--jc-surface); }
.settings-accordion:last-of-type { border-bottom: 0; }
.settings-accordion summary, .settings-task-details > summary { display: flex; align-items: center; justify-content: space-between; min-height: 58px; padding: 11px 18px; cursor: pointer; list-style: none; }
.settings-accordion summary::-webkit-details-marker, .settings-task-details > summary::-webkit-details-marker { display: none; }
.settings-accordion summary:hover, .settings-task-details > summary:hover { background: var(--jc-surface-muted); }
.settings-accordion summary::after, .settings-task-details > summary::after { content: '+'; color: var(--jc-muted); font-size: 18px; }
.settings-accordion[open] summary::after, .settings-task-details[open] > summary::after { content: '−'; }
.settings-summary-lead { display: flex; align-items: center; gap: 10px; min-width: 0; }
.settings-summary-icon { display: grid; place-items: center; flex: 0 0 auto; width: 30px; height: 30px; border-radius: 6px; background: rgba(23,105,232,.1); color: var(--jc-primary); }
.settings-summary-copy { display: grid; gap: 2px; min-width: 0; }
.settings-summary-copy b { font-size: 13px; }
.settings-summary-copy small { font-size: 10px; }
.settings-summary-count { flex: 0 0 auto; padding: 4px 7px; border-radius: 4px; background: var(--jc-surface-muted); color: var(--jc-muted); font-size: 10px; }
.settings-accordion-body { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 20px; padding: 4px 18px 8px; }
.settings-accordion-body > label.settings-field-row, .settings-accordion-body > label.settings-switch-row { display: grid; grid-template-columns: minmax(170px, 220px) minmax(0, 1fr); align-items: center; gap: 18px; min-height: 62px; padding: 10px 4px; border-bottom: 1px solid var(--jc-border); border-radius: 0; background: transparent; font-weight: 650; }
.settings-accordion-body > label:last-child { border-bottom: 0; }
.settings-accordion-body > .settings-field-row.full, .settings-accordion-body > .settings-switch-row.full { grid-column: 1 / -1; }
.settings-field-copy { display: grid; gap: 3px; min-width: 0; }
.settings-field-copy b { font-size: 12px; }
.settings-field-copy small { max-width: 330px; font-size: 10px; line-height: 1.45; }
.settings-field-control { display: block; width: min(100%, 420px); }
.settings-field-row.full .settings-field-control { width: min(100%, 620px); }
.settings-field-control input, .settings-field-control select, .settings-field-control textarea { margin: 0; background: var(--jc-surface-muted); }
.settings-switch-control { position: relative; display: block; width: 38px; height: 22px; }
.settings-switch-control::before { content: ''; position: absolute; inset: 0; border-radius: 99px; background: var(--jc-border-strong); }
.settings-switch-control::after { content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.2); transition: transform .15s ease; }
.settings-switch-control:has(input:checked)::before { background: var(--jc-primary); }
.settings-switch-control:has(input:checked)::after { transform: translateX(16px); }
.settings-switch-control input { position: absolute; inset: 0; z-index: 1; width: 38px !important; max-width: 38px !important; height: 22px !important; min-height: 22px !important; opacity: 0; cursor: pointer; }
.settings-savebar { display: flex; justify-content: flex-end; padding: 14px 18px; border-top: 1px solid var(--jc-border); background: var(--jc-surface-muted); }
.settings-save-button { min-width: 108px; }
.settings-task-panel { padding: 0; overflow: hidden; }
.settings-task-details { margin: 0; }
.settings-task-body { padding: 18px; }

/* Login and installer */
body.login-bg { min-height: 100vh; background: #071a31; color: #eaf2fb; }
.login-layout { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); min-height: 100vh; max-width: 1180px; margin: 0 auto; }
.login-showcase { display: flex; flex-direction: column; justify-content: center; padding: 70px 72px; }
.showcase-brand { display: flex; align-items: center; gap: 11px; margin-bottom: 70px; }
.showcase-brand b { display: block; color: #fff; font-size: 20px; }
.showcase-brand small { display: block; margin-top: 3px; color: #8ea6c2; font-size: 10px; letter-spacing: .08em; }
.showcase-copy { max-width: 500px; }
.showcase-copy .eyebrow { color: #76adfa; font-size: 10px; font-weight: 800; letter-spacing: .14em; }
.showcase-copy h2 { margin: 14px 0 15px; color: #fff; font-size: 38px; line-height: 1.22; letter-spacing: -.04em; }
.showcase-copy h2 span { color: #72abff; }
.showcase-copy p { color: #a7bbd2; line-height: 1.8; }
.showcase-points { display: grid; gap: 10px; max-width: 500px; margin-top: 38px; }
.showcase-points > div { padding: 12px 14px; border: 1px solid rgba(149,184,223,.18); border-radius: 6px; background: rgba(14,45,81,.5); }
.showcase-points b, .showcase-points span { display: block; }
.showcase-points b { color: #f5f9ff; font-size: 12px; }
.showcase-points span { margin-top: 3px; color: #9bb2cb; font-size: 11px; }
.showcase-foot { margin-top: auto; color: #7692b0; font-size: 11px; }
.login-card { align-self: center; width: min(430px, calc(100% - 48px)); margin: auto; padding: 38px 34px 30px; color: var(--jc-text); }
.login-card-brand { display: flex; align-items: center; gap: 12px; }
.login-card-brand .logo.big { width: 46px; height: 46px; border-radius: 10px; margin: 0; }
.login-card h1 { margin: 0; font-size: 24px; }
.login-card-title { margin: 4px 0 0; color: var(--jc-muted); font-size: 12px; }
.login-card > .muted { margin: 22px 0 0; font-size: 12px; }
.login-card .form { margin-top: 24px; }
.login-card .form input { min-height: 44px; }
.login-card .form button { width: 100%; min-height: 44px; margin-top: 4px; }
.login-help { margin: 18px 0 0; color: var(--jc-muted); font-size: 11px; }
body.install { min-height: 100vh; padding: 34px 20px; background: var(--jc-bg) !important; color: var(--jc-text) !important; }
.install-card { width: min(980px, 100%); margin: 0 auto; padding: 30px; }
.install-card .brand { display: flex; align-items: flex-start; gap: 12px; }
.install-card .brand h1 { margin: 0; font-size: 26px; }
.install-card .brand p { margin: 7px 0 0; color: var(--jc-muted); }
.install-card .checks { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; margin: 22px 0; }
.check { display: flex; align-items: flex-start; gap: 10px; padding: 12px; border: 1px solid var(--jc-border); border-radius: 7px; background: var(--jc-surface-muted); }
.check > b { display: grid; place-items: center; flex: 0 0 auto; width: 24px; height: 24px; border-radius: 50%; background: var(--jc-border); }
.check.ok > b { background: rgba(19,138,88,.12); color: var(--jc-success); }
.check.bad > b { background: rgba(210,56,56,.12); color: var(--jc-danger); }
.check.warn > b { background: rgba(183,106,8,.12); color: var(--jc-warning); }
.check strong, .check small { display: block; }
.install-card .glass { padding: 18px; border: 1px solid var(--jc-border); border-radius: 7px; background: var(--jc-surface-muted); }

/* Certificate, domain and log helpers */
.domain-fold { display: flex; flex-wrap: wrap; align-items: center; gap: 5px; max-width: 380px; }
.domain-chip, .tag { display: inline-flex; align-items: center; max-width: 230px; padding: 3px 7px; border: 1px solid var(--jc-border); border-radius: 4px; background: var(--jc-surface-muted); color: var(--jc-text); font-size: 11px; word-break: break-all; }
.domain-fold .is-extra { display: none; }
.domain-fold.expanded .is-extra { display: inline-flex; }
.fold-btn { min-height: 26px; padding: 4px 7px; font-size: 11px; }
.copyline { display: flex; align-items: center; gap: 7px; }
.copyline input { flex: 1; }
.cert-table, .log-table { min-width: 900px; }
.cert-table td:last-child, .log-table td:last-child { white-space: nowrap; }
.qrbox { padding: 14px; border: 1px solid var(--jc-border); border-radius: 7px; background: var(--jc-surface-muted); text-align: center; }
.qrbox code { text-align: left; }
.help-list { margin: 8px 0 0 18px; padding: 0; color: var(--jc-muted); line-height: 1.8; }

/* Responsive */
@media (max-width: 1180px) {
  .content { padding-left: 24px; padding-right: 24px; }
  .topbar { margin-left: -24px; margin-right: -24px; padding-left: 24px; padding-right: 24px; }
  .node-overview-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .dashboard-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .sidebar { position: static; width: 100%; min-height: auto; padding: 14px; }
  .side-brand { padding: 0 7px 12px; }
  .sidebar nav { flex-direction: row; overflow-x: auto; scrollbar-width: none; }
  .sidebar nav::-webkit-scrollbar { display: none; }
  .sidebar nav a { flex: 0 0 auto; }
  .sidebar-collapse { display: none; }
  .side-foot { margin-top: 12px; }
  .content, html.sidebar-collapsed .content { margin-left: 0; padding: 0 18px 40px; }
  html.sidebar-collapsed .sidebar { width: 100%; padding: 14px; }
  html.sidebar-collapsed .side-brand > div:last-child,
  html.sidebar-collapsed .sidebar nav a > span:not(.nav-icon),
  html.sidebar-collapsed .side-foot > * { display: initial; }
  .topbar { margin: 0 -18px; padding: 0 18px; }
  .page-heading { min-height: 90px; }
  .settings-accordion-body { grid-template-columns: 1fr; }
  .settings-accordion-body > label.settings-field-row, .settings-accordion-body > label.settings-switch-row { grid-column: 1 / -1; }
  .trend-grid { grid-template-columns: 1fr; }
  .cluster-card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .login-layout { grid-template-columns: 1fr; }
  .login-showcase { min-height: 380px; padding: 40px 28px; }
  .showcase-brand { margin-bottom: 36px; }
  .showcase-copy h2 { font-size: 30px; }
  .login-card { margin: -50px auto 34px; }
  dialog.node-ops-dialog[open] { width: min(410px, 100vw); max-width: min(410px, 100vw); }
}
@media (max-width: 680px) {
  body { font-size: 13px; }
  .sidebar { position: sticky; top: 0; z-index: 50; display: flex; flex-direction: row; align-items: center; width: 100%; height: 64px; min-height: 64px; padding: 10px 12px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.08); }
  .side-brand { min-height: 0; padding: 0; gap: 8px; }
  .side-brand .logo { width: 34px; height: 34px; border-radius: 8px; }
  .side-brand b { font-size: 14px; }
  .side-brand small { display: none; }
  .sidebar nav, .sidebar-collapse { display: none; }
  .side-foot { margin: 0 0 0 auto; padding: 0; border-top: 0; }
  .side-user > span:last-child, .side-foot .linklike, .side-foot .logout-form { display: none; }
  .content { padding-left: 12px; padding-right: 12px; }
  .topbar { margin-left: -12px; margin-right: -12px; padding-left: 12px; padding-right: 12px; }
  .topbar { min-height: 52px; }
  .topbar-main { display: none; }
  .topbar-actions { margin-left: auto; }
  .topbar .user-chip { padding-left: 0; border-left: 0; }
  .topbar-actions .user-chip { display: none; }
  .topbar-actions .user-chip > span:last-child { display: none; }
  .page-heading { align-items: flex-start; flex-direction: column; gap: 12px; padding: 18px 0; }
  .page-heading-actions { width: 100%; justify-content: flex-start; margin-left: 0; }
  .page-heading-actions > *, .page-heading-actions form, .page-heading-actions button { width: 100%; }
  .content, .topbar, .page-heading, .panel, .table-wrap, .settings-page-panel, .settings-form, .settings-accordion, .settings-accordion-body { min-width: 0; max-width: 100%; }
  .content { width: 100%; overflow-x: hidden; }
  .panel { padding: 15px; }
  .panel-head { align-items: flex-start; flex-direction: column; }
  .panel-head .inline-actions, .inline-actions { width: 100%; }
  .panel-head .inline-actions > *, .panel-head .inline-actions form, .panel-head .inline-actions button { width: 100%; }
  .cards, .node-overview-cards, .node-cluster-selected .node-overview-cards { grid-template-columns: 1fr; }
  .grid, .cc-box { grid-template-columns: 1fr; }
  .filterbar { align-items: stretch; }
  .filterbar > *, .filterbar input, .filterbar select, .filterbar button, .filterbar .mini-btn { width: 100%; max-width: none; }
  .cluster-card-grid { grid-template-columns: 1fr; }
  .cluster-card-meta { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 9px; }
  .cluster-card-meta > div:nth-child(2) { border-right: 0; }
  .cluster-card-meta > div:nth-child(n+3) { padding-top: 8px; border-top: 1px solid var(--jc-border); }
  .settings-accordion summary, .settings-task-details > summary { padding-left: 13px; padding-right: 13px; }
  .settings-accordion-body { width: 100%; padding-left: 13px; padding-right: 13px; overflow: hidden; }
  .settings-accordion-body > label.settings-field-row, .settings-accordion-body > label.settings-switch-row { width: 100%; max-width: 100%; }
  .settings-field-control, .settings-field-control input, .settings-field-control select, .settings-field-control textarea { max-width: 100%; }
  .settings-savebar { width: 100%; max-width: 100%; overflow: hidden; }
  .settings-accordion-body > label.settings-field-row, .settings-accordion-body > label.settings-switch-row { grid-template-columns: 1fr; gap: 8px; padding: 12px 2px; }
  .settings-field-control, .settings-field-row.full .settings-field-control { width: 100%; }
  .install-card { padding: 20px 16px; }
  .install-card .brand { flex-direction: column; }
  .install-card .checks { grid-template-columns: 1fr; }
  dialog, dialog.wide { width: calc(100vw - 20px); max-width: calc(100vw - 20px); }
  dialog > .modal, dialog > form.modal, dialog > div.modal { padding: 20px 16px; }
  dialog.node-ops-dialog[open] { width: 100vw; max-width: 100vw; }
  dialog.node-ops-dialog > .modal { padding: 20px 15px 24px; }
}

/* R122 — structure refinements for empty data, filters and compact operations. */
.trend-filter { flex: 0 0 auto; flex-wrap: nowrap; white-space: nowrap; }
.trend-filter > * { flex: 0 0 auto; }
.trend-filter select { min-width: 132px; }
.trend-filter input[type="date"] { width: 142px; }
.hit-area { fill: transparent; stroke: transparent; cursor: crosshair; }
.hit-dot { fill: var(--jc-primary); stroke: var(--jc-surface); stroke-width: 1.5; pointer-events: none; }
.chart-empty { gap: 4px; min-height: 210px; align-content: center; text-align: center; }
.chart-empty b { color: var(--jc-text); font-size: 13px; }
.chart-empty span { color: var(--jc-muted); font-size: 11px; }
.node-cluster-context { display: flex; align-items: center; gap: 9px; width: fit-content; min-height: 34px; margin-bottom: 12px; padding: 6px 10px; border: 1px solid var(--jc-border); border-radius: 6px; background: var(--jc-surface-muted); color: var(--jc-muted); font-size: 11px; }
.node-cluster-context b { color: var(--jc-text); font-size: 12px; }
.table-empty-state { display: grid; place-items: center; min-height: 178px; padding: 24px; text-align: center; }
.table-empty-icon { display: grid; place-items: center; width: 34px; height: 34px; margin-bottom: 9px; border: 1px solid var(--jc-border); border-radius: 50%; background: var(--jc-surface-muted); color: var(--jc-muted); font-size: 16px; }
.table-empty-state h3 { margin: 0 0 4px; font-size: 14px; }
.table-empty-state p { max-width: 430px; margin: 0; color: var(--jc-muted); font-size: 12px; }
.info-fold { border: 1px solid var(--jc-border); border-radius: 7px; background: var(--jc-surface-muted); }
.info-fold summary { display: flex; align-items: center; justify-content: space-between; min-height: 42px; padding: 9px 12px; cursor: pointer; color: var(--jc-text); font-size: 12px; font-weight: 700; list-style: none; }
.info-fold summary::-webkit-details-marker { display: none; }
.info-fold summary::after { content: '+'; color: var(--jc-muted); font-size: 17px; font-weight: 400; }
.info-fold[open] summary { border-bottom: 1px solid var(--jc-border); }
.info-fold[open] summary::after { content: '−'; }
.info-fold-body { padding: 11px 12px 12px; color: var(--jc-muted); font-size: 12px; line-height: 1.65; }
.info-fold-body code { display: inline-block; margin: 3px 4px 3px 0; padding: 3px 6px; font-size: 11px; vertical-align: middle; }
.settings-stack > .panel { margin-bottom: 12px; }
.settings-stack > .settings-task-panel { margin-bottom: 16px; }
.modal-close { width: 36px; height: 36px; min-width: 36px; min-height: 36px; font-size: 24px; }

@media (max-width: 980px) {
  .trend-head { display: grid; grid-template-columns: 1fr; }
  .trend-filter { justify-content: flex-start; flex-wrap: wrap; }
}

@media (max-width: 680px) {
  .trend-filter { display: grid; grid-template-columns: 1fr 1fr; width: 100%; white-space: normal; }
  .trend-filter > * { width: 100% !important; min-width: 0 !important; }
  .trend-filter > button, .trend-filter > .mini-btn { grid-column: span 1; }
  .trend-filter > input[type="hidden"] { display: none; }
  .info-fold-body code { max-width: 100%; }
}