/* ============================================================
   BOP — BYOC Operations Platform · Design System
   Static prototype · no external deps · dark default + light
   Palette: validated dataviz reference palette (both modes)
   ============================================================ */

:root {
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  --radius: 10px;
  --radius-sm: 6px;
  --sidebar-w: 232px;
  --topbar-h: 56px;
  --shadow: 0 1px 2px rgba(0,0,0,.25), 0 8px 24px -12px rgba(0,0,0,.35);
  --trans: .18s cubic-bezier(.4,0,.2,1);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #222221;
  --surface-3: #2a2a28;
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --ink-3: #898781;
  --border: rgba(255,255,255,.10);
  --border-strong: rgba(255,255,255,.18);
  --grid: #2c2c2a;
  --accent: #3987e5;
  --accent-soft: rgba(57,135,229,.14);
  --accent-ink: #fff;
  --s1:#3987e5; --s2:#d95926; --s3:#199e70; --s4:#c98500;
  --s5:#d55181; --s6:#008300; --s7:#9085e9; --s8:#e66767;
  --good:#0ca30c; --warn:#fab219; --serious:#ec835a; --crit:#d03b3b;
  --good-soft: rgba(12,163,12,.14);
  --warn-soft: rgba(250,178,25,.13);
  --serious-soft: rgba(236,131,90,.14);
  --crit-soft: rgba(208,59,59,.15);
  --neutral-soft: rgba(255,255,255,.07);
  --code-bg: #131312;
  --topbar-bg: rgba(13,13,13,.82);
}

:root[data-theme="light"] {
  color-scheme: light;
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f3f0;
  --surface-3: #ecebe7;
  --ink: #0b0b0b;
  --ink-2: #52514e;
  --ink-3: #898781;
  --border: rgba(11,11,11,.10);
  --border-strong: rgba(11,11,11,.20);
  --grid: #e1e0d9;
  --accent: #2a78d6;
  --accent-soft: rgba(42,120,214,.10);
  --accent-ink: #fff;
  --s1:#2a78d6; --s2:#eb6834; --s3:#1baf7a; --s4:#eda100;
  --s5:#e87ba4; --s6:#008300; --s7:#4a3aa7; --s8:#e34948;
  --good:#0ca30c; --warn:#fab219; --serious:#ec835a; --crit:#d03b3b;
  --good-soft: rgba(12,163,12,.10);
  --warn-soft: rgba(250,178,25,.16);
  --serious-soft: rgba(236,131,90,.14);
  --crit-soft: rgba(208,59,59,.10);
  --neutral-soft: rgba(11,11,11,.05);
  --code-bg: #f3f3f0;
  --topbar-bg: rgba(249,249,247,.85);
  --shadow: 0 1px 2px rgba(11,11,11,.06), 0 8px 24px -14px rgba(11,11,11,.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font);
  background: var(--page);
  color: var(--ink);
  font-size: 14px;
  line-height: 1.55;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
svg { display: block; }
code, pre, .mono { font-family: var(--mono); }
::selection { background: var(--accent-soft); }

h1,h2,h3,h4 { font-weight: 650; letter-spacing: -.01em; line-height: 1.25; }

/* ---------- App shell ---------- */
.app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  flex: 0 0 var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column;
  overflow-y: auto;
  z-index: 40;
}
.sidebar::-webkit-scrollbar { width: 0; }

.brand {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; height: var(--topbar-h);
  border-bottom: 1px solid var(--border);
  flex: 0 0 auto;
}
.brand .logo {
  width: 28px; height: 28px; border-radius: 8px;
  background: linear-gradient(135deg, var(--s1), var(--s7));
  display: grid; place-items: center; color: #fff;
  flex: 0 0 28px;
}
.brand .logo svg { width: 16px; height: 16px; }
.brand-name { font-weight: 700; font-size: 15px; letter-spacing: -.01em; white-space: nowrap; }
.brand-name small { display:block; font-size: 10px; font-weight: 500; color: var(--ink-3); letter-spacing: .04em; text-transform: uppercase; }

.nav { padding: 10px 8px 24px; flex: 1; }
.nav-section { margin-top: 14px; }
.nav-section:first-child { margin-top: 4px; }
.nav-label {
  font-size: 10.5px; font-weight: 600; text-transform: uppercase;
  letter-spacing: .08em; color: var(--ink-3);
  padding: 4px 10px 6px;
  white-space: nowrap;
}
.nav a.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 10px; border-radius: var(--radius-sm);
  color: var(--ink-2); font-weight: 500; font-size: 13.5px;
  transition: background var(--trans), color var(--trans);
  white-space: nowrap;
}
.nav a.nav-item:hover { background: var(--neutral-soft); color: var(--ink); text-decoration: none; }
.nav a.nav-item.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav a.nav-item svg { width: 16px; height: 16px; flex: 0 0 16px; opacity: .85; }
.nav a.nav-item .nav-badge {
  margin-left: auto; font-size: 10.5px; font-weight: 700;
  background: var(--crit); color: #fff;
  border-radius: 99px; padding: 0 6px; line-height: 16px;
}
.nav a.nav-item .nav-badge.info { background: var(--accent); }

.sidebar-foot {
  padding: 12px 16px; border-top: 1px solid var(--border);
  font-size: 11.5px; color: var(--ink-3);
}
.sidebar-foot .ver { font-family: var(--mono); color: var(--ink-2); }

/* ---------- Main / topbar ---------- */
.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  height: var(--topbar-h);
  display: flex; align-items: center; gap: 12px;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 30;
  background: var(--topbar-bg);
  backdrop-filter: blur(10px);
}
.crumbs { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--ink-3); min-width: 0; }
.crumbs b { color: var(--ink); font-weight: 600; white-space: nowrap; }
.crumbs .sep { opacity: .5; }

.searchbox {
  margin-left: auto;
  display: flex; align-items: center; gap: 8px;
  background: var(--neutral-soft);
  border: 1px solid var(--border);
  border-radius: 8px; padding: 5px 10px;
  color: var(--ink-3); font-size: 12.5px; width: 220px;
}
.searchbox svg { width: 13px; height: 13px; }
.searchbox kbd {
  margin-left: auto; font-family: var(--mono); font-size: 10px;
  border: 1px solid var(--border-strong); border-radius: 4px; padding: 0 4px;
}

.icon-btn {
  width: 32px; height: 32px; border-radius: 8px;
  display: grid; place-items: center;
  background: transparent; border: 1px solid transparent;
  color: var(--ink-2); cursor: pointer;
  transition: background var(--trans);
}
.icon-btn:hover { background: var(--neutral-soft); color: var(--ink); }
.icon-btn svg { width: 16px; height: 16px; }

.org-chip {
  display: flex; align-items: center; gap: 8px;
  border: 1px solid var(--border); border-radius: 8px;
  padding: 4px 10px 4px 6px; font-size: 12.5px; font-weight: 600;
  cursor: pointer; color: var(--ink-2); background: transparent;
  white-space: nowrap; flex: 0 0 auto;
}
.org-chip svg { width: 12px; height: 12px; flex: 0 0 12px; }
.org-chip:hover { background: var(--neutral-soft); }
.org-chip .avatar {
  width: 20px; height: 20px; border-radius: 6px;
  background: var(--s3); color: #fff;
  display: grid; place-items: center; font-size: 10px; font-weight: 700;
}
.user-chip { width: 30px; height: 30px; border-radius: 50%;
  background: linear-gradient(135deg, var(--s5), var(--s7));
  color:#fff; display:grid; place-items:center; font-size: 11.5px; font-weight: 700; cursor: pointer; }

.content { padding: 24px 24px 64px; max-width: 1480px; width: 100%; margin: 0 auto; }

.page-head { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 20px; flex-wrap: wrap; }
.page-head h1 { font-size: 21px; }
.page-head .sub { color: var(--ink-3); font-size: 13px; margin-top: 3px; max-width: 70ch; }
.page-head .actions { margin-left: auto; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  font: 600 13px var(--font);
  padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface); color: var(--ink);
  cursor: pointer; transition: all var(--trans);
  white-space: nowrap;
}
.btn:hover { background: var(--surface-2); text-decoration: none; }
.btn svg { width: 14px; height: 14px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.08); }
.btn.danger { background: var(--crit); border-color: var(--crit); color: #fff; }
.btn.danger:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn.ghost:hover { background: var(--neutral-soft); }
.btn.sm { padding: 4px 10px; font-size: 12px; }

/* ---------- Cards & grids ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.card-head {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 16px; border-bottom: 1px solid var(--border);
}
.card-head h3 { font-size: 14px; }
.card-head .hint { color: var(--ink-3); font-size: 12px; }
.card-head .spacer { margin-left: auto; }
.card-body { padding: 16px; }
.card-body.tight { padding: 0; }

.grid { display: grid; gap: 16px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0,1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0,1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0,1fr)); }
.span-2 { grid-column: span 2; }

/* ---------- KPI stat tiles ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px,1fr)); gap: 14px; margin-bottom: 20px; }
.kpi { padding: 14px 16px; }
.kpi .k-label { font-size: 11.5px; font-weight: 600; letter-spacing: .05em; text-transform: uppercase; color: var(--ink-3); display:flex; align-items:center; gap:6px; }
.kpi .k-label svg { width: 13px; height: 13px; }
.kpi .k-value { font-size: 26px; font-weight: 700; letter-spacing: -.02em; margin-top: 4px; }
.kpi .k-value small { font-size: 14px; font-weight: 600; color: var(--ink-3); }
.kpi .k-delta { font-size: 12px; margin-top: 2px; display: flex; align-items: center; gap: 4px; color: var(--ink-3); }
.kpi .k-delta.up { color: var(--good); }
.kpi .k-delta.down { color: var(--crit); }
.kpi .k-spark { margin-top: 8px; }

/* ---------- Status pills & badges ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-size: 11.5px; font-weight: 600;
  padding: 2px 9px; border-radius: 99px;
  white-space: nowrap;
}
.pill svg { width: 11px; height: 11px; }
.pill .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.good { background: var(--good-soft); color: var(--good); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
:root[data-theme="light"] .pill.warn { color: #8a6205; }
.pill.serious { background: var(--serious-soft); color: var(--serious); }
:root[data-theme="light"] .pill.serious { color: #b0491f; }
.pill.crit { background: var(--crit-soft); color: var(--crit); }
.pill.neutral { background: var(--neutral-soft); color: var(--ink-2); }
.pill.accent { background: var(--accent-soft); color: var(--accent); }
.pill.violet { background: rgba(144,133,233,.15); color: var(--s7); }

.tag {
  display: inline-flex; font-family: var(--mono); font-size: 11px;
  border: 1px solid var(--border); border-radius: 5px;
  padding: 1px 7px; color: var(--ink-2); background: var(--neutral-soft);
  white-space: nowrap;
}

/* ---------- Tables ---------- */
.tbl-wrap { overflow-x: auto; }
table.tbl { width: 100%; border-collapse: collapse; font-size: 13px; }
.tbl th {
  text-align: left; font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em;
  color: var(--ink-3); padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.tbl td { padding: 10px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.tbl tr:last-child td { border-bottom: 0; }
.tbl tbody tr { transition: background var(--trans); }
.tbl tbody tr:hover { background: var(--neutral-soft); }
.tbl td .primary-cell { font-weight: 600; color: var(--ink); }
.tbl td .sub-cell { font-size: 11.5px; color: var(--ink-3); margin-top: 1px; }
.tbl .num { text-align: right; font-variant-numeric: tabular-nums; }
.tbl tr.row-click { cursor: pointer; }

/* ---------- Tabs ---------- */
.tabs { display: flex; gap: 2px; border-bottom: 1px solid var(--border); margin-bottom: 18px; overflow-x: auto; }
.tab {
  padding: 9px 14px; font-size: 13.5px; font-weight: 600;
  color: var(--ink-3); cursor: pointer;
  border: 0; background: none; font-family: var(--font);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px; white-space: nowrap;
  transition: color var(--trans);
}
.tab:hover { color: var(--ink); }
.tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ---------- Progress ---------- */
.progress { height: 6px; border-radius: 99px; background: var(--neutral-soft); overflow: hidden; }
.progress > i { display: block; height: 100%; border-radius: 99px; background: var(--accent); transition: width .5s ease; }
.progress > i.good { background: var(--good); }
.progress > i.warn { background: var(--warn); }
.progress > i.crit { background: var(--crit); }

/* ---------- Distribution / stacked bar ---------- */
.distbar { display: flex; height: 10px; border-radius: 99px; overflow: hidden; gap: 2px; background: transparent; }
.distbar > i { display: block; height: 100%; }
.legend { display: flex; flex-wrap: wrap; gap: 12px 18px; margin-top: 12px; font-size: 12px; color: var(--ink-2); }
.legend .li { display: flex; align-items: center; gap: 7px; }
.legend .sw { width: 10px; height: 10px; border-radius: 3px; }
.legend b { color: var(--ink); font-variant-numeric: tabular-nums; }

/* ---------- Code / log panes ---------- */
pre.code {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 14px 16px; font-size: 12px; line-height: 1.65;
  overflow-x: auto; color: var(--ink-2);
}
pre.code .k { color: var(--s1); }
pre.code .s { color: var(--s3); }
pre.code .c { color: var(--ink-3); font-style: italic; }
pre.code .n { color: var(--s4); }

.logpane {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: var(--mono); font-size: 11.5px; line-height: 1.7;
  padding: 12px 14px; height: 100%; max-height: 420px; overflow-y: auto;
  color: var(--ink-2);
}
.logpane .t { color: var(--ink-3); margin-right: 8px; }
.logpane .ok { color: var(--good); }
.logpane .wr { color: var(--warn); }
.logpane .er { color: var(--crit); }
.logpane .hl { color: var(--s1); }
.logpane div { white-space: nowrap; }

/* ---------- Workflow DAG (run view) ---------- */
.dag-wrap { position: relative; overflow-x: auto; padding: 8px 4px; }
.dag-node {
  cursor: pointer;
}
.dag-node rect {
  fill: var(--surface-2); stroke: var(--border-strong); stroke-width: 1;
  rx: 8;
  transition: stroke var(--trans);
}
.dag-node:hover rect { stroke: var(--accent); }
.dag-node.selected rect { stroke: var(--accent); stroke-width: 1.6; }
.dag-node text.n-name { fill: var(--ink); font: 600 11.5px var(--font); }
.dag-node text.n-op { fill: var(--ink-3); font: 500 9.5px var(--mono); }
.dag-node .n-state { font: 600 9px var(--font); }
.dag-edge { stroke: var(--border-strong); stroke-width: 1.4; fill: none; }
.dag-edge.done { stroke: var(--good); opacity: .55; }
.dag-node.running rect { stroke: var(--accent); stroke-width: 1.6; }
.dag-node.verified rect { stroke: var(--good); }
.dag-node.failed rect { stroke: var(--crit); stroke-width: 1.6; }
.dag-node.blocked rect { stroke: var(--warn); stroke-width: 1.6; stroke-dasharray: 4 3; }
.dag-node.skipped rect { stroke: var(--border); stroke-dasharray: 3 3; }
.dag-node.skipped text { opacity: .5; }
@keyframes pulse { 0%,100% { opacity: 1 } 50% { opacity: .45 } }
.dag-node.running .state-dot { animation: pulse 1.4s infinite; }

/* ---------- Stepper (compact linear) ---------- */
.stepper { display: flex; flex-direction: column; gap: 0; }
.step-row { display: flex; gap: 12px; position: relative; padding-bottom: 18px; }
.step-row:last-child { padding-bottom: 0; }
.step-row::before {
  content: ""; position: absolute; left: 11px; top: 26px; bottom: 0;
  width: 2px; background: var(--border);
}
.step-row:last-child::before { display: none; }
.step-ico {
  width: 24px; height: 24px; border-radius: 50%; flex: 0 0 24px;
  display: grid; place-items: center; z-index: 1;
  background: var(--surface-2); border: 1.5px solid var(--border-strong);
  color: var(--ink-3); font-size: 11px; font-weight: 700;
}
.step-ico svg { width: 12px; height: 12px; }
.step-row.done .step-ico { background: var(--good-soft); border-color: var(--good); color: var(--good); }
.step-row.active .step-ico { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); animation: pulse 1.6s infinite; }
.step-row.failed .step-ico { background: var(--crit-soft); border-color: var(--crit); color: var(--crit); }
.step-row.blocked .step-ico { background: var(--warn-soft); border-color: var(--warn); color: var(--warn); }
.step-title { font-weight: 600; font-size: 13px; }
.step-sub { font-size: 12px; color: var(--ink-3); }

.ponr {
  display: flex; align-items: center; gap: 10px;
  margin: 2px 0 18px 36px; padding: 6px 12px;
  border: 1px dashed var(--warn); border-radius: var(--radius-sm);
  background: var(--warn-soft);
  font-size: 11.5px; font-weight: 600; color: var(--warn);
}
:root[data-theme="light"] .ponr { color: #8a6205; }
.ponr svg { width: 13px; height: 13px; flex: 0 0 13px; }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.55);
  display: none; align-items: center; justify-content: center;
  z-index: 100; padding: 20px;
  backdrop-filter: blur(2px);
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--surface); border: 1px solid var(--border-strong);
  border-radius: 14px; width: 520px; max-width: 100%;
  box-shadow: 0 24px 64px -16px rgba(0,0,0,.5);
  max-height: 90vh; overflow-y: auto;
}
.modal-head { padding: 18px 20px 0; display: flex; gap: 12px; align-items: flex-start; }
.modal-head h3 { font-size: 16px; }
.modal-head .x { margin-left: auto; }
.modal-body { padding: 14px 20px; font-size: 13px; color: var(--ink-2); }
.modal-foot { padding: 14px 20px 18px; display: flex; justify-content: flex-end; gap: 8px; }
.confirm-input {
  width: 100%; margin-top: 10px;
  font: 500 13px var(--mono);
  padding: 9px 12px; border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--page); color: var(--ink);
  outline: none;
}
.confirm-input:focus { border-color: var(--accent); }

/* ---------- Toast ---------- */
.toast-zone { position: fixed; bottom: 20px; right: 20px; z-index: 120; display: flex; flex-direction: column; gap: 8px; }
.toast {
  background: var(--surface); border: 1px solid var(--border-strong);
  border-left: 3px solid var(--accent);
  border-radius: 10px; padding: 12px 16px;
  min-width: 280px; max-width: 360px;
  box-shadow: var(--shadow);
  font-size: 13px;
  animation: toast-in .25s ease;
}
.toast.good { border-left-color: var(--good); }
.toast.crit { border-left-color: var(--crit); }
.toast b { display: block; font-size: 13px; }
.toast span { color: var(--ink-3); font-size: 12px; }
@keyframes toast-in { from { transform: translateY(8px); opacity: 0 } to { transform: none; opacity: 1 } }

/* ---------- Inputs ---------- */
.input, select.input {
  font: 500 13px var(--font);
  padding: 7px 11px; border-radius: 8px;
  border: 1px solid var(--border-strong);
  background: var(--surface); color: var(--ink);
  outline: none; transition: border-color var(--trans);
}
.input:focus { border-color: var(--accent); }
.input::placeholder { color: var(--ink-3); }
.filter-row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.filter-row .grow { flex: 1; min-width: 180px; }

.switch { position: relative; width: 34px; height: 20px; flex: 0 0 34px; cursor: pointer; }
.switch input { opacity: 0; width: 0; height: 0; }
.switch i {
  position: absolute; inset: 0; border-radius: 99px;
  background: var(--neutral-soft); border: 1px solid var(--border-strong);
  transition: background var(--trans);
}
.switch i::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--ink-3); transition: all var(--trans);
}
.switch input:checked + i { background: var(--accent); border-color: var(--accent); }
.switch input:checked + i::after { left: 16px; background: #fff; }

/* ---------- Key-value list ---------- */
.kv { display: grid; grid-template-columns: minmax(120px, 38%) 1fr; font-size: 13px; }
.kv > div { padding: 8px 0; border-bottom: 1px solid var(--border); }
.kv > div:nth-last-child(-n+2) { border-bottom: 0; }
.kv .k { color: var(--ink-3); font-weight: 500; padding-right: 12px; }
.kv .v { color: var(--ink); }

/* ---------- Callout ---------- */
.callout {
  display: flex; gap: 12px; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: var(--neutral-soft); font-size: 12.5px; color: var(--ink-2);
}
.callout svg { width: 15px; height: 15px; flex: 0 0 15px; margin-top: 1px; }
.callout.accent { border-color: var(--accent); background: var(--accent-soft); }
.callout.accent svg { color: var(--accent); }
.callout.warn { border-color: var(--warn); background: var(--warn-soft); }
.callout.warn svg { color: var(--warn); }
.callout.crit { border-color: var(--crit); background: var(--crit-soft); }
.callout.crit svg { color: var(--crit); }
.callout b { color: var(--ink); }

/* ---------- Timeline (audit / incident) ---------- */
.timeline { position: relative; padding-left: 22px; }
.timeline::before { content:""; position: absolute; left: 5px; top: 6px; bottom: 6px; width: 2px; background: var(--border); }
.tl-item { position: relative; padding-bottom: 16px; }
.tl-item:last-child { padding-bottom: 0; }
.tl-item::before {
  content: ""; position: absolute; left: -21px; top: 5px;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--surface); border: 2px solid var(--ink-3);
}
.tl-item.good::before { border-color: var(--good); }
.tl-item.crit::before { border-color: var(--crit); }
.tl-item.warn::before { border-color: var(--warn); }
.tl-item.accent::before { border-color: var(--accent); }
.tl-time { font-size: 11px; color: var(--ink-3); font-variant-numeric: tabular-nums; }
.tl-text { font-size: 13px; }
.tl-text b { font-weight: 600; }

/* ---------- Chat (copilot) ---------- */
.chat { display: flex; flex-direction: column; gap: 14px; }
.msg { display: flex; gap: 10px; max-width: 92%; }
.msg .who {
  width: 28px; height: 28px; border-radius: 8px; flex: 0 0 28px;
  display: grid; place-items: center; font-size: 11px; font-weight: 700; color: #fff;
}
.msg.user { align-self: flex-end; flex-direction: row-reverse; }
.msg.user .who { background: var(--s3); }
.msg.bot .who { background: linear-gradient(135deg, var(--s1), var(--s7)); }
.msg .bubble {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: 12px; padding: 10px 14px; font-size: 13px;
}
.msg.user .bubble { background: var(--accent-soft); border-color: transparent; }
.toolcall {
  border: 1px solid var(--border-strong); border-left: 3px solid var(--s7);
  border-radius: 8px; margin: 8px 0 4px; overflow: hidden;
  font-size: 12px; background: var(--code-bg);
}
.toolcall .tc-head {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 12px; font-family: var(--mono); font-weight: 600; font-size: 11.5px;
  color: var(--s7); border-bottom: 1px solid var(--border);
}
.toolcall .tc-head .pill { margin-left: auto; }
.toolcall .tc-body { padding: 8px 12px; font-family: var(--mono); font-size: 11px; color: var(--ink-2); line-height: 1.7; overflow-x: auto; }

/* ============================================================
   Landing page
   ============================================================ */
.landing { max-width: 1200px; margin: 0 auto; padding: 0 28px; }
.landing-topbar {
  display: flex; align-items: center; gap: 12px;
  padding: 18px 0;
}
.landing-topbar .links { margin-left: auto; display: flex; gap: 22px; align-items: center; font-size: 13.5px; font-weight: 550; }
.landing-topbar .links a { color: var(--ink-2); }
.landing-topbar .links a:hover { color: var(--ink); text-decoration: none; }

.hero { padding: 72px 0 56px; text-align: center; }
.hero .eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 12px; font-weight: 650; letter-spacing: .02em;
  color: var(--accent); background: var(--accent-soft);
  border-radius: 99px; padding: 5px 14px; margin-bottom: 22px;
}
.hero h1 { font-size: clamp(32px, 5vw, 52px); letter-spacing: -.03em; line-height: 1.08; max-width: 22ch; margin: 0 auto; }
.hero h1 .grad {
  background: linear-gradient(100deg, var(--s1), var(--s7));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lede { font-size: 17px; color: var(--ink-2); max-width: 62ch; margin: 20px auto 0; }
.hero .cta-row { display: flex; gap: 12px; justify-content: center; margin-top: 32px; flex-wrap: wrap; }
.hero .btn.lg { padding: 11px 22px; font-size: 14.5px; border-radius: 10px; }

.stat-band { display: grid; grid-template-columns: repeat(auto-fit,minmax(160px,1fr)); gap: 14px; padding: 8px 0 56px; }
.stat-band .stat { text-align: center; padding: 18px 10px; }
.stat-band .stat b { display: block; font-size: 28px; font-weight: 750; letter-spacing: -.02em; }
.stat-band .stat span { font-size: 12.5px; color: var(--ink-3); }

.section { padding: 52px 0; }
.section > .sec-head { text-align: center; margin-bottom: 36px; }
.section > .sec-head h2 { font-size: clamp(24px, 3vw, 32px); letter-spacing: -.02em; }
.section > .sec-head p { color: var(--ink-2); max-width: 66ch; margin: 10px auto 0; font-size: 14.5px; }
.sec-eyebrow { font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 10px; }

.principles { display: grid; grid-template-columns: repeat(auto-fit,minmax(230px,1fr)); gap: 14px; }
.principle { padding: 18px; }
.principle .p-ico {
  width: 34px; height: 34px; border-radius: 9px;
  background: var(--accent-soft); color: var(--accent);
  display: grid; place-items: center; margin-bottom: 12px;
}
.principle .p-ico svg { width: 17px; height: 17px; }
.principle h3 { font-size: 14.5px; margin-bottom: 5px; }
.principle p { font-size: 12.5px; color: var(--ink-2); }

.cap-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(260px,1fr)); gap: 14px; }
.cap-card { padding: 18px; display: block; color: inherit; transition: transform var(--trans), border-color var(--trans); }
.cap-card:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--accent); }
.cap-card .c-top { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.cap-card .c-top svg { width: 17px; height: 17px; color: var(--accent); }
.cap-card h3 { font-size: 14.5px; }
.cap-card p { font-size: 12.5px; color: var(--ink-2); }
.cap-card .c-link { font-size: 12.5px; font-weight: 600; color: var(--accent); margin-top: 12px; display: inline-flex; align-items: center; gap: 5px; }
.cap-card .c-link svg { width: 12px; height: 12px; }

.landing-footer {
  border-top: 1px solid var(--border);
  margin-top: 48px; padding: 28px 0 40px;
  display: flex; gap: 16px; align-items: center;
  color: var(--ink-3); font-size: 12.5px; flex-wrap: wrap;
}
.landing-footer .right { margin-left: auto; display: flex; gap: 18px; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .sidebar { width: 64px; flex-basis: 64px; }
  .brand-name, .nav-label, .nav a.nav-item span, .sidebar-foot, .nav .nav-badge { display: none; }
  .nav a.nav-item { justify-content: center; padding: 9px; }
  .brand { justify-content: center; padding: 14px 8px; }
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 800px) {
  .sidebar { display: none; }
  .content { padding: 16px 14px 48px; }
  .grid.cols-2, .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr; }
  .span-2 { grid-column: span 1; }
  .searchbox { display: none; }
  .kpis { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .page-head .actions { margin-left: 0; }
  .kv { grid-template-columns: 1fr; }
  .kv .k { padding-bottom: 0; border-bottom: 0; }
}

/* ---------- Segmented control ---------- */
.seg { display: inline-flex; gap: 3px; background: var(--surface-2); border: 1px solid var(--border); padding: 3px; border-radius: 9px; }
.seg button {
  border: 0; background: transparent; color: var(--ink-2); font: 600 12px var(--font);
  padding: 5px 12px; border-radius: 6px; cursor: pointer;
}
.seg button:hover { color: var(--ink); }
.seg button.active { background: var(--surface); color: var(--ink); box-shadow: 0 1px 2px rgba(0,0,0,.18); }

/* ---------- Time-series charts (Grafana-style panels) ---------- */
.ts-wrap { position: relative; }
.ts-wrap svg { display: block; width: 100%; height: auto; }
.ts-tip {
  position: absolute; z-index: 5; pointer-events: none; display: none; min-width: 150px;
  background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 8px;
  padding: 8px 10px; font-size: 11.5px; box-shadow: 0 6px 20px rgba(0,0,0,.35);
}
.ts-tip .tt-time { color: var(--ink-3); font-weight: 600; margin-bottom: 5px; font-family: var(--mono); font-size: 10.5px; }
.ts-tip .tt-row { display: flex; align-items: center; gap: 6px; padding: 1.5px 0; color: var(--ink-2); }
.ts-tip .tt-row .chip { width: 8px; height: 8px; border-radius: 2px; flex: 0 0 8px; }
.ts-tip .tt-row .val { margin-left: auto; font-family: var(--mono); color: var(--ink); font-size: 11px; }
.ts-legend { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 8px; font-size: 11.5px; color: var(--ink-2); }
.ts-legend .lg { display: inline-flex; align-items: center; gap: 6px; }
.ts-legend .chip { width: 9px; height: 9px; border-radius: 2.5px; }

/* ---------- Interactive terminal ---------- */
.term-line { display: flex; align-items: center; gap: 0; }
.term-line input {
  flex: 1; background: transparent; border: 0; outline: 0; color: var(--ink);
  font: 500 12px var(--mono); padding: 0 0 0 8px; caret-color: var(--accent);
}
.logpane .pre { white-space: pre; }

/* ---------- Resource browser ---------- */
.res-toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.tbl tbody tr.sel { background: var(--accent-soft); }
.tbl tbody tr.clickable { cursor: pointer; }
.meter { display: inline-flex; align-items: center; gap: 7px; }
.meter .bar { width: 52px; height: 5px; border-radius: 3px; background: var(--surface-2); overflow: hidden; }
.meter .bar i { display: block; height: 100%; border-radius: 3px; background: var(--s1); }
.meter .pv { font-family: var(--mono); font-size: 11px; color: var(--ink-2); min-width: 30px; }

/* generic color chip (legend swatch outside charts) */
.chip { display: inline-block; width: 9px; height: 9px; border-radius: 2.5px; vertical-align: baseline; }
.nav a.nav-item .nav-badge.warn { background: var(--warn); color: #1c1607; }
.nav a.nav-item .nav-badge.crit { background: var(--crit); }
.input.sm { padding: 5px 10px; font-size: 12px; width: 180px; }
/* default size for icons used in running text; :where keeps zero specificity so component rules still win */
:where([data-icon]) svg { width: 14px; height: 14px; vertical-align: -2px; }

/* ---------- Stepper (wave planner · provision wizard) ---------- */
.stepper { display: flex; margin-bottom: 18px; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; background: var(--surface); }
.stepper .step { flex: 1; display: flex; align-items: center; gap: 10px; padding: 12px 16px; font-size: 13px; font-weight: 600; color: var(--ink-3); border-right: 1px solid var(--border); cursor: default; }
.stepper .step:last-child { border-right: 0; }
.stepper .step .n { width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: 11.5px; font-weight: 700; border: 1px solid var(--border-strong); flex: none; }
.stepper .step.active { color: var(--ink); background: var(--accent-soft); }
.stepper .step.active .n { background: var(--accent); border-color: var(--accent); color: #fff; }
.stepper .step.done { color: var(--ink-2); cursor: pointer; }
.stepper .step.done .n { background: var(--good); border-color: var(--good); color: #fff; }

/* ---------- Topbar scope switcher menu ---------- */
.scope-wrap { position: relative; }
.menu { position: absolute; top: calc(100% + 6px); right: 0; min-width: 270px; background: var(--surface); border: 1px solid var(--border-strong); border-radius: 10px; box-shadow: 0 12px 32px rgba(0,0,0,.35); padding: 6px; z-index: 60; display: none; }
.menu.open { display: block; }
.menu .mlabel { font-size: 10.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); padding: 8px 10px 4px; }
.menu .mi { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 7px; font-size: 12.5px; cursor: pointer; color: var(--ink-2); }
.menu .mi:hover { background: var(--neutral-soft); color: var(--ink); }
.menu .mi.cur { color: var(--ink); background: var(--accent-soft); }
.menu .mi .sub { margin-left: auto; font-size: 11px; color: var(--ink-3); }

/* ---------- Notification center ---------- */
.notif-wrap { position: relative; }
.icon-btn { position: relative; }
.icon-btn .badge-dot { position: absolute; top: 2px; right: 2px; min-width: 14px; height: 14px; border-radius: 7px;
  background: var(--crit); color: #fff; font: 700 9px var(--font); display: grid; place-items: center; padding: 0 3px; }
.notif-menu { min-width: 350px; max-height: 440px; overflow: auto; }
.notif-head { display: flex; align-items: center; padding: 8px 10px 4px; }
.notif-head b { font-size: 12.5px; }
.notif-head a { margin-left: auto; font-size: 11.5px; color: var(--accent); cursor: pointer; }
.notif-item { display: flex; gap: 10px; padding: 9px 10px; border-radius: 7px; cursor: pointer; align-items: flex-start; }
.notif-item:hover { background: var(--neutral-soft); }
.notif-item .nd { width: 8px; height: 8px; border-radius: 50%; margin-top: 5px; flex: none; background: var(--ink-3); }
.notif-item .nd.crit { background: var(--crit); }
.notif-item .nd.warn { background: var(--warn); }
.notif-item .nd.good { background: var(--good); }
.notif-item .nd.accent { background: var(--accent); }
.notif-item .nb { min-width: 0; }
.notif-item .nb b { font-size: 12.5px; display: block; color: var(--ink); }
.notif-item .nb .ns { font-size: 11.5px; color: var(--ink-3); }
.notif-item .nt { margin-left: auto; font-size: 10.5px; color: var(--ink-3); flex: none; padding-top: 2px; }

/* ---------- Demo chrome (never product UI) ---------- */
.demo-bar { position: fixed; bottom: 18px; right: 18px; z-index: 70; display: flex; align-items: center; gap: 8px;
  padding: 8px 12px; background: var(--surface); border: 1px dashed var(--border-strong); border-radius: 10px;
  font-size: 11.5px; color: var(--ink-3); box-shadow: 0 8px 24px rgba(0,0,0,.3); }

/* ---------- Accessibility floor ---------- */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.dag-node:focus-visible, .topo-n:focus-visible { outline: none; }
.dag-node:focus-visible rect, .topo-n:focus-visible rect { stroke: var(--accent); stroke-width: 2.5; }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ---------- Mobile navigation ---------- */
.nav-toggle { display: none; }
@media (max-width: 800px) {
  .nav-toggle { display: inline-flex; }
  .sidebar.open {
    display: flex; position: fixed; top: 0; left: 0; bottom: 0; width: 252px; z-index: 80;
    box-shadow: 12px 0 40px rgba(0,0,0,.45);
  }
  .sidebar.open .brand-name, .sidebar.open .nav-label, .sidebar.open .sidebar-foot { display: block; }
  .sidebar.open .nav a.nav-item span { display: inline; }
  .sidebar.open .nav .nav-badge { display: inline-flex; }
  .sidebar.open .nav a.nav-item { justify-content: flex-start; padding: 8px 12px; }
  .sidebar.open .brand { justify-content: flex-start; padding: 16px 14px; }
  .sidebar-backdrop { display: none; }
  .sidebar-backdrop.open { display: block; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 79; }
}

/* ---------- Command palette (⌘K) ---------- */
.cmdk { width: 540px; max-width: 92vw; padding: 10px; }
.cmdk input { width: 100%; background: var(--surface-2); border: 1px solid var(--border-strong); border-radius: 9px;
  padding: 10px 14px; font: 500 14px var(--font); color: var(--ink); outline: 0; }
.cmdk input:focus { border-color: var(--accent); }
.cmdk-list { max-height: 330px; overflow: auto; margin-top: 8px; }
.cmdk-item { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px;
  font-size: 13px; color: var(--ink-2); cursor: pointer; }
.cmdk-item svg { width: 15px; height: 15px; flex: none; }
.cmdk-item.sel, .cmdk-item:hover { background: var(--accent-soft); color: var(--ink); }
.cmdk-item .kind { margin-left: auto; font-size: 10px; letter-spacing: .06em; text-transform: uppercase; color: var(--ink-3); }
.cmdk-empty { padding: 18px 12px; font-size: 12.5px; color: var(--ink-3); text-align: center; }