/* mandate PWA: one stylesheet, monochrome, phone first (430x932).
   Ink on paper, tabular numbers, one filled button per screen. No colour
   carries meaning on its own: a halt is an inverted block, a block on a rule
   is a filled mark, and every state is also words. */

:root {
  --ink: #111214;
  --ink-2: #51555c;
  --ink-3: #8a9098;
  --rule: #e4e2dd;
  --paper: #f6f5f2;
  --card: #ffffff;
  --radius: 14px;
  --pad: 16px;
  --shadow: 0 1px 2px rgba(17, 18, 20, .04);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.45 ui-sans-serif, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(88px + env(safe-area-inset-bottom));
}

.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }

/* ------------------------------------------------------------- banners -- */
.banner {
  display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap;
  padding: 11px var(--pad) 12px;
  padding-top: calc(11px + env(safe-area-inset-top));
}
.banner-stop { background: var(--ink); color: #fff; }
.banner-warn { background: #fff; color: var(--ink); border-bottom: 2px solid var(--ink); }
.banner-tag {
  font-size: 11px; letter-spacing: .14em; text-transform: uppercase; font-weight: 700;
  white-space: nowrap;
}
.banner-text { font-size: 13px; line-height: 1.35; opacity: .85; }

/* -------------------------------------------------------------- header -- */
.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: flex-end; justify-content: space-between; gap: 12px;
  padding: 18px var(--pad) 12px;
  background: linear-gradient(var(--paper) 72%, rgba(246, 245, 242, 0));
}
.top h1 { margin: 0; font-size: 26px; letter-spacing: -.02em; font-weight: 650; }
.top-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 3px;
  font-size: 11px; color: var(--ink-3); }
.hash {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  border: 1px solid var(--rule); border-radius: 6px; padding: 1px 5px; color: var(--ink-2);
  background: var(--card);
}

main { padding: 4px var(--pad) 8px; display: flex; flex-direction: column; gap: 12px; }

/* --------------------------------------------------------------- cards -- */
.card {
  background: var(--card); border: 1px solid var(--rule); border-radius: var(--radius);
  padding: var(--pad); box-shadow: var(--shadow);
}
.card-stop { border: 1.5px solid var(--ink); }
.link-card { display: block; color: inherit; text-decoration: none; }
.link-card:active { background: #fbfbfa; }

.label {
  margin: 0 0 8px; font-size: 11px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 650;
}
.note { margin: 8px 0 0; font-size: 13px; line-height: 1.45; color: var(--ink-2); }
.foot { margin: 2px 0 8px; font-size: 12px; color: var(--ink-3); text-align: center; }
.foot a { color: var(--ink-2); }

.hero .figure {
  margin: 0; font-size: 42px; line-height: 1.02; letter-spacing: -.035em; font-weight: 600;
}
.figure-sub { margin: 8px 0 0; font-size: 13px; color: var(--ink-2); }
.figure-small { margin: 0; font-size: 24px; letter-spacing: -.02em; font-weight: 600; }
.dot { color: var(--ink-3); margin: 0 6px; }
.up::before { content: "▲ "; font-size: 9px; vertical-align: 1px; }
.down::before { content: "▼ "; font-size: 9px; vertical-align: 1px; }

.spark { display: block; width: 100%; height: 56px; margin: 14px 0 0; overflow: visible; }
.spark-line { fill: none; stroke: var(--ink); stroke-width: 1.6; vector-effect: non-scaling-stroke; }
.spark-bench { fill: none; stroke: var(--ink-3); stroke-width: 1.2; stroke-dasharray: 3 3;
  vector-effect: non-scaling-stroke; }
.spark-key { margin: 8px 0 0; font-size: 11px; color: var(--ink-3); }
.key-solid::before, .key-dash::before {
  content: ""; display: inline-block; width: 14px; height: 0; vertical-align: 3px;
  margin-right: 5px; border-top: 1.5px solid var(--ink);
}
.key-dash { margin-left: 12px; }
.key-dash::before { border-top: 1.5px dashed var(--ink-3); }

.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.metric { padding: 13px 14px; }
.metric .label { margin-bottom: 5px; }
.metric .value { margin: 0; font-size: 19px; font-weight: 600; letter-spacing: -.01em; }

/* ---------------------------------------------------------------- rows -- */
.row {
  display: flex; gap: 12px; align-items: flex-start; justify-content: space-between;
  padding: 11px 0; border-top: 1px solid var(--rule);
}
.card .label + .row, .card .row:first-child { border-top: 0; padding-top: 2px; }
.row-tight { padding: 0 0 10px; border-top: 0; }
.row-main { min-width: 0; }
.row-side { text-align: right; flex: none; }
.row-title { margin: 0; font-size: 15px; font-weight: 600; letter-spacing: -.01em; }
.row-sub { margin: 3px 0 0; font-size: 12.5px; color: var(--ink-2); line-height: 1.4; }
.tick::before { content: "✓ "; }
.cross::before { content: "✕ "; font-weight: 700; }

/* --------------------------------------------------------------- chips -- */
.chips {
  display: flex; gap: 8px; overflow-x: auto; padding: 2px 0 4px;
  scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.chips::-webkit-scrollbar { display: none; }
.chip {
  flex: none; padding: 7px 13px; border: 1px solid var(--rule); border-radius: 999px;
  background: var(--card); color: var(--ink-2); font-size: 13px; text-decoration: none;
  white-space: nowrap;
}
.chip em { font-style: normal; color: var(--ink-3); margin-left: 4px; font-size: 12px; }
.chip-on { background: var(--ink); border-color: var(--ink); color: #fff; }
.chip-on em { color: rgba(255, 255, 255, .7); }

/* --------------------------------------------------------------- pills -- */
.pill {
  display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 11px;
  letter-spacing: .06em; text-transform: uppercase; font-weight: 700; white-space: nowrap;
  border: 1px solid var(--ink); color: var(--ink); background: var(--card);
}
.pill-proposed { background: var(--ink); color: #fff; }
.pill-rejected_by_policy { border-style: dashed; }
.pill-expired, .pill-failed, .pill-rejected_by_owner { border-color: var(--ink-3); color: var(--ink-3); }

/* --------------------------------------------------------------- rules -- */
.rules { list-style: none; margin: 4px 0 0; padding: 0; }
.rule {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 9px 0; border-top: 1px solid var(--rule);
}
.rule:first-child { border-top: 0; }
.mark {
  flex: none; width: 54px; text-align: center; padding: 3px 0; border-radius: 5px;
  font-size: 10px; letter-spacing: .08em; text-transform: uppercase; font-weight: 700;
  border: 1px solid var(--rule); color: var(--ink-3); background: var(--card);
}
.mark-block { background: var(--ink); border-color: var(--ink); color: #fff; }
.mark-warn { border: 1px dashed var(--ink); color: var(--ink); }
.rule-body { min-width: 0; }
.rule-name {
  display: block; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12.5px; font-weight: 600;
}
.rule-detail { display: block; font-size: 12.5px; color: var(--ink-2); line-height: 1.4;
  margin-top: 2px; }
.rule-bad .rule-name { color: var(--ink); }

/* ------------------------------------------------------------ key/value -- */
.kv { width: 100%; border-collapse: collapse; }
.kv th {
  text-align: left; font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 650; padding: 7px 10px 7px 0; vertical-align: top;
  white-space: nowrap; width: 76px;
}
.kv td { font-size: 14px; padding: 7px 0; border-bottom: 1px solid var(--rule); }
.kv tr:last-child td { border-bottom: 0; }
.why {
  margin: 12px 0 0; padding: 10px 12px; border-left: 2px solid var(--ink);
  background: #fbfbf9; font-size: 13.5px; line-height: 1.45; color: var(--ink-2);
}

/* --------------------------------------------------------------- forms -- */
.stack { display: flex; flex-direction: column; gap: 10px; margin: 14px 0 0; }
.stack-tight { margin-top: 10px; }
.field { display: block; }
.field-label {
  display: block; font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--ink-3); font-weight: 650; margin-bottom: 6px;
}
input, select {
  width: 100%; font: inherit; font-size: 16px; color: var(--ink); background: var(--card);
  border: 1px solid var(--rule); border-radius: 10px; padding: 12px 13px; appearance: none;
}
input:focus, select:focus { outline: 2px solid var(--ink); outline-offset: 1px; }
input::placeholder { color: #b6bac0; }
select { background-image: linear-gradient(45deg, transparent 50%, var(--ink-2) 50%),
    linear-gradient(135deg, var(--ink-2) 50%, transparent 50%);
  background-position: calc(100% - 17px) 50%, calc(100% - 12px) 50%;
  background-size: 5px 5px, 5px 5px; background-repeat: no-repeat; padding-right: 34px; }

.btn {
  display: block; width: 100%; min-height: 50px; padding: 14px 16px; border-radius: 12px;
  font: inherit; font-size: 15px; font-weight: 650; text-align: center; text-decoration: none;
  cursor: pointer; border: 1px solid var(--ink);
}
.btn-accent { background: var(--ink); color: #fff; }
.btn-accent:active { background: #2a2c30; }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--rule); }
.btn-block { box-shadow: var(--shadow); }
.filters .btn { margin-top: 14px; }
.filters .grid { gap: 10px; }

/* --------------------------------------------------------------- audit -- */
.log { padding: 11px 0; border-top: 1px solid var(--rule); }
.log:first-of-type { border-top: 0; }
.log-head { margin: 0; display: flex; gap: 8px; align-items: baseline; font-size: 13px; }
.log-head .mono { color: var(--ink-3); font-size: 11.5px; min-width: 26px; }
.log-event { font-weight: 650; }
.log-actor { margin-left: auto; font-size: 11px; letter-spacing: .06em; text-transform: uppercase;
  color: var(--ink-3); }
.log-sub { margin: 3px 0 0; font-size: 11.5px; color: var(--ink-3); }
.log-payload {
  margin: 5px 0 0; font-size: 11.5px; line-height: 1.45; color: var(--ink-2);
  word-break: break-word;
}

.sha { margin: 10px 0 0; font-size: 12px; word-break: break-all; color: var(--ink-2); }
.yaml {
  margin: 0; padding: 12px; background: #fbfbf9; border: 1px solid var(--rule);
  border-radius: 10px; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px; line-height: 1.55; overflow-x: auto; white-space: pre;
}

/* ----------------------------------------------------------------- nav -- */
.tabs {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 6;
  display: grid; grid-template-columns: repeat(4, 1fr);
  background: #ffffff;
  border-top: 1px solid var(--rule);
  padding: 8px 6px calc(8px + env(safe-area-inset-bottom));
}
.tab {
  display: flex; align-items: center; justify-content: center; gap: 5px;
  text-align: center; padding: 9px 2px; border-radius: 10px;
  font-size: 12px; color: var(--ink-3); text-decoration: none; font-weight: 600;
}
.tab-on { color: var(--ink); background: #f1f0ec; }
.badge {
  background: var(--ink); color: #fff; font-style: normal; font-size: 10px; font-weight: 700;
  min-width: 16px; height: 16px; line-height: 16px; border-radius: 999px; padding: 0 4px;
}

/* --------------------------------------------------------------- login -- */
body.locked { display: flex; align-items: center; min-height: 100vh; padding-bottom: 0; }
body.locked main { padding: 0 var(--pad); width: 100%; }
.lock { max-width: 420px; margin: 0 auto; }
.lock-mark {
  width: 54px; height: 54px; border-radius: 14px; background: var(--ink); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 30px; font-weight: 600; letter-spacing: -.04em; margin-bottom: 22px;
}
.lock-title { margin: 0; font-size: 32px; letter-spacing: -.03em; font-weight: 650; }
.lock-sub { margin: 6px 0 26px; color: var(--ink-2); font-size: 14px; }
.lock-error {
  margin: 0 0 16px; padding: 11px 13px; border: 1.5px solid var(--ink); border-radius: 10px;
  font-size: 13.5px; background: var(--card);
}
.lock-foot { margin: 22px 0 0; font-size: 12px; color: var(--ink-3); }
.refused-message { margin: 0; font-size: 15px; line-height: 1.5; }
.refused-message + .note { margin-bottom: 14px; }

@media (min-width: 560px) {
  main, .top, .banner { max-width: 560px; margin-left: auto; margin-right: auto; }
  .tabs { max-width: 560px; left: 50%; transform: translateX(-50%); border-radius: 16px 16px 0 0; }
}