/* Paper Trail — design system
   Calm civic-neutral palette; contrast pairs ≥ 4.5:1; keyboard-first. */

:root {
  --paper: #f6f4ef;
  --paper-2: #efeadf;
  --ink: #1f2933;
  --ink-soft: #52606d;
  --line: #d5cfc2;
  --teal: #0f766e;
  --teal-ink: #ffffff;
  --teal-soft: #d9efec;
  --amber: #92400e;
  --amber-soft: #fdf0d7;
  --red: #991b1b;
  --red-soft: #fde3e3;
  --green: #166534;
  --green-soft: #dcf2e0;
  --blue: #1d4ed8;
  --blue-soft: #e0eaff;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(31, 41, 51, .08), 0 8px 24px rgba(31, 41, 51, .07);
  --mono: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  background:
    radial-gradient(1200px 500px at 80% -10%, #fdf9ef 0%, transparent 60%),
    var(--paper);
  color: var(--ink);
  font-size: 15px;
  line-height: 1.5;
}

.frame {
  display: grid;
  grid-template-columns: 300px 1fr;
  grid-template-rows: auto 1fr auto;
  grid-template-areas:
    "rail top"
    "rail main"
    "rail foot";
  min-height: 100vh;
}

/* ---------- top bar ---------- */
.topbar {
  grid-area: top;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 22px;
  background: #fffdf8;
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { font-size: 22px; color: var(--teal); }
.brand-text { display: flex; flex-direction: column; line-height: 1.25; }
.brand-text strong { font-size: 16px; letter-spacing: .2px; }
.brand-text span { color: var(--ink-soft); font-size: 12px; }
.top-status { display: flex; gap: 8px; align-items: center; }

.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; font-weight: 600;
  padding: 4px 10px; border-radius: 999px;
  border: 1px solid var(--line); background: #fff;
}
.chip b { font-variant-numeric: tabular-nums; }
.chip-unknown { color: var(--ink-soft); }
.chip-ok { background: var(--green-soft); color: var(--green); border-color: #b5dfc0; }
.chip-off { background: var(--amber-soft); color: var(--amber); border-color: #ecd9a0; }
.chip-quiet { background: #fff; color: var(--ink-soft); }

/* ---------- main area ---------- */
.view {
  grid-area: main;
  padding: 26px 30px 60px;
  overflow-y: auto;
  min-height: 0;
  height: 100%;
}
.rail {
  grid-area: rail;
  background: #161d26;
  color: #d7dee5;
  display: flex;
  flex-direction: column;
  min-height: 0;
  height: 100vh;
  position: sticky;
  top: 0;
  border-right: 1px solid #0c1117;
}
.rail-head {
  display: flex; align-items: center; gap: 8px;
  padding: 14px 16px;
  font-size: 11.5px; font-weight: 700; letter-spacing: .9px;
  text-transform: uppercase; color: #93a1b0;
  border-bottom: 1px solid #232d39;
}
.rail-dot { width: 8px; height: 8px; border-radius: 50%; background: #2dd4bf; box-shadow: 0 0 0 3px rgba(45, 212, 191, .15); }
.rail-clear {
  margin-left: auto;
  border: 1px solid #2c3945; background: #1d2632; border-radius: 6px;
  font-size: 11px; padding: 2px 8px; cursor: pointer; color: #a7b4c2;
}
.rail-clear:hover { color: #fff; }
.rail-log {
  list-style: none; margin: 0; padding: 12px 12px 20px;
  overflow-y: auto; flex: 1;
  font-family: var(--mono); font-size: 11.5px;
  display: flex; flex-direction: column; gap: 6px;
}
.rail-log li {
  padding: 6px 8px;
  border-left: 3px solid #2c3945;
  background: rgba(255, 255, 255, .04);
  border-radius: 4px;
  word-break: break-word;
  color: #c9d3dd;
}
.rail-log li .when { color: #7d8b9a; margin-right: 6px; }
.rail-log li.t-call { border-color: #60a5fa; }
.rail-log li.t-ok { border-color: #34d399; }
.rail-log li.t-warn { border-color: #fbbf24; }
.rail-log li.t-err { border-color: #f87171; background: rgba(248, 113, 113, .12); color: #f3b3b3; }
.rail-log li.t-portal { border-color: #2dd4bf; background: rgba(45, 212, 191, .12); color: #8ee8dc; font-weight: 600; }

/* ---------- footer ---------- */
.foot {
  grid-area: foot;
  display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap;
  padding: 10px 22px;
  font-size: 12px; color: var(--ink-soft);
  background: #fffdf8;
  border-top: 1px solid var(--line);
}

/* ---------- shared primitives ---------- */
h1 { font-size: 26px; margin: 0 0 6px; letter-spacing: -.3px; }
h2 { font-size: 17px; margin: 0 0 10px; }
.sub { color: var(--ink-soft); margin: 0 0 22px; max-width: 70ch; }
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 22px;
  margin-bottom: 18px;
}
.btn {
  appearance: none;
  border: 1px solid var(--teal);
  background: var(--teal);
  color: var(--teal-ink);
  font: inherit; font-weight: 600;
  border-radius: 8px;
  padding: 9px 18px;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.08); }
.btn:focus-visible { outline: 3px solid #67e8f9; outline-offset: 2px; }
.btn[disabled] { opacity: .55; cursor: not-allowed; }
.btn-ghost {
  background: transparent; color: var(--teal);
}
.btn-sm { padding: 6px 12px; font-size: 13px; }

.kicker {
  font-size: 11px; font-weight: 700; letter-spacing: 1.2px;
  text-transform: uppercase; color: var(--teal);
  margin-bottom: 4px;
}

/* ---------- hub ---------- */
.hero { max-width: 860px; }
.hero .sample-events { display: flex; flex-wrap: wrap; gap: 8px; margin: 16px 0 22px; }
.pill {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 999px;
  padding: 6px 14px;
  font: inherit; font-size: 13px;
  cursor: pointer;
  color: var(--ink);
}
.pill:hover { border-color: var(--teal); color: var(--teal); }

.intent-form { display: flex; gap: 10px; max-width: 720px; }
.intent-form input {
  flex: 1;
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.intent-form input:focus-visible { outline: 3px solid #67e8f9; outline-offset: 1px; }

.bundle-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; margin-top: 8px; }
.bundle-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  padding: 14px 16px;
  display: flex; flex-direction: column; gap: 8px;
}
.bundle-card h3 { margin: 0; font-size: 15px; }
.bundle-card .meta { font-size: 12px; color: var(--ink-soft); }
.bundle-card .actions { margin-top: 4px; display: flex; gap: 8px; flex-wrap: wrap; }
.bundle-card[data-state="pending"] { border-left: 4px solid var(--line); }
.bundle-card[data-state="ready"] { border-left: 4px solid var(--teal); }
.bundle-card[data-state="active"] { border-left: 4px solid var(--blue); }
.bundle-card[data-state="done"] { border-left: 4px solid var(--green); }
.bundle-card[data-state="blocked"] { border-left: 4px solid var(--amber); }
.state-tag {
  align-self: flex-start;
  font-size: 11px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase;
  padding: 2px 8px; border-radius: 999px;
  background: var(--paper-2); color: var(--ink-soft);
}
.bundle-card[data-state="ready"] .state-tag { background: var(--teal-soft); color: var(--teal); }
.bundle-card[data-state="active"] .state-tag { background: var(--blue-soft); color: var(--blue); }
.bundle-card[data-state="done"] .state-tag { background: var(--green-soft); color: var(--green); }
.bundle-card[data-state="blocked"] .state-tag { background: var(--amber-soft); color: var(--amber); }

.trust-strip { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 22px; font-size: 12.5px; color: var(--ink-soft); }
.trust-strip b { color: var(--ink); font-variant-numeric: tabular-nums; }

/* ---------- agent-home (hub) — chat-platform style ---------- */
.home {
  max-width: 780px;
  margin: 0 auto;
  min-height: calc(100vh - 140px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-bottom: 8vh;
}
.home.greeting-only { justify-content: center; }
.home-greeting {
  text-align: center;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -.6px;
  margin: 0 0 26px;
}
.home-greeting .accent { color: var(--teal); }
.home-input {
  display: flex;
  align-items: center;
  gap: 8px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow);
  padding: 8px 8px 8px 22px;
  transition: border-color .15s, box-shadow .15s;
}
.home-input:focus-within { border-color: var(--teal); box-shadow: 0 0 0 4px rgba(15, 118, 110, .08), var(--shadow); }
.home-input input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font: inherit;
  font-size: 15.5px;
  color: var(--ink);
  min-width: 0;
}
.home-input input::placeholder { color: #9aa5b1; }
.home-send {
  appearance: none;
  border: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--teal);
  color: #fff;
  font-size: 17px;
  cursor: pointer;
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  transition: transform .12s, filter .12s;
}
.home-send:hover { filter: brightness(1.1); transform: scale(1.05); }
.home-send:focus-visible { outline: 3px solid #67e8f9; outline-offset: 2px; }
.home-hint { text-align: center; font-size: 12px; color: var(--ink-soft); margin: 12px 0 0; }
.home-samples { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-top: 22px; }
.home-samples .pill { box-shadow: var(--shadow); }

.home-card { margin-top: 40px; }
.home-card .trust-strip { justify-content: center; }

/* ---------- portal pages ---------- */
.portal-head { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; margin-bottom: 4px; }
.portal-back { font: inherit; font-size: 13px; color: var(--teal); background: none; border: none; cursor: pointer; padding: 0; }
.portal-plate {
  display: inline-block;
  font-size: 11px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase;
  background: var(--paper-2); color: var(--ink-soft);
  padding: 3px 10px; border-radius: 999px;
  border: 1px solid var(--line);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px 18px; margin: 14px 0 4px; }
.field { display: flex; flex-direction: column; gap: 4px; }
.field.wide { grid-column: 1 / -1; }
.field label { font-size: 13px; font-weight: 600; color: var(--ink); }
.field .hint { font-size: 11.5px; color: var(--ink-soft); }
.field input, .field select {
  font: inherit;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: #fff;
  color: var(--ink);
}
.field input:focus-visible, .field select:focus-visible { outline: 3px solid #67e8f9; outline-offset: 1px; }
.field input[readonly] { background: var(--paper-2); color: var(--ink-soft); }
.field .err { font-size: 12px; color: var(--red); min-height: 15px; }
.field input.invalid { border-color: var(--red); background: #fff7f7; }

.deadline-note {
  margin-top: 10px;
  font-size: 13px;
  background: var(--amber-soft);
  color: var(--amber);
  border: 1px solid #ecd9a0;
  padding: 10px 12px;
  border-radius: 8px;
}

/* activity rail on portal pages shows latest call */
.callout {
  border: 1px solid var(--line);
  background: var(--teal-soft);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13.5px;
  margin: 12px 0;
}
.callout.warn { background: var(--amber-soft); border-color: #ecd9a0; color: var(--amber); }

/* ---------- confirmation modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(31, 41, 51, .45);
  display: flex; align-items: center; justify-content: center;
  z-index: 60;
}
.modal {
  background: #fff;
  border-radius: 12px;
  box-shadow: 0 24px 80px rgba(31, 41, 51, .35);
  width: min(620px, calc(100vw - 40px));
  max-height: 84vh;
  overflow: auto;
  padding: 22px 24px;
}
.modal h2 { font-size: 18px; display: flex; align-items: center; gap: 8px; }
.modal .why { color: var(--ink-soft); font-size: 13.5px; margin: 8px 0 14px; }
.confirm-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 10px 0 16px; }
.confirm-table caption { text-align: left; font-size: 12px; color: var(--ink-soft); padding-bottom: 6px; }
.confirm-table th, .confirm-table td {
  text-align: left; padding: 7px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.confirm-table th { width: 42%; color: var(--ink-soft); font-weight: 600; }
.confirm-table td { font-family: var(--mono); font-size: 12.5px; }
.modal .row { display: flex; gap: 10px; justify-content: flex-end; }

/* ---------- receipts ---------- */
.receipt-list { list-style: none; margin: 12px 0 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.receipt {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 10px 14px;
  font-size: 12.5px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 14px;
}
.receipt .rid { font-family: var(--mono); color: var(--ink-soft); font-size: 11px; }
.receipt .rt { font-weight: 600; }
.receipt .rmeta { grid-column: 1 / -1; font-family: var(--mono); font-size: 11px; color: var(--ink-soft); word-break: break-all; }
.badge {
  align-self: center;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px;
  padding: 2px 8px; border-radius: 999px;
}
.badge-ok { background: var(--green-soft); color: var(--green); }

/* ---------- pending confirm banner ---------- */
.confirm-banner {
  position: fixed;
  left: 50%; bottom: 26px;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  border-radius: 10px;
  box-shadow: 0 12px 40px rgba(0,0,0,.35);
  padding: 12px 18px;
  display: flex; align-items: center; gap: 14px;
  z-index: 55;
  font-size: 13.5px;
}
.confirm-banner button { font: inherit; font-size: 13px; border-radius: 7px; border: none; padding: 7px 14px; cursor: pointer; }
.confirm-banner .yes { background: var(--teal); color: #fff; }
.confirm-banner .no { background: #3b4650; color: #fff; }

@media (max-width: 980px) {
  .frame { grid-template-columns: 1fr; grid-template-rows: auto auto 1fr auto; grid-template-areas: "rail" "top" "main" "foot"; }
  .rail { border-right: none; border-bottom: 1px solid #232d39; height: auto; max-height: 200px; position: static; }
  .rail-log { max-height: 150px; }
  .form-grid { grid-template-columns: 1fr; }
}