:root {
  --green: #00583d;
  --green-2: #0b6e4f;
  --gold: #ffc425;
  --bg: #f4f6f4;
  --card: #ffffff;
  --ink: #17201b;
  --muted: #5b6a61;
  --line: #dde3df;
  --go: #1f7a3a;
  --go-bg: #e5f4ea;
  --caution: #8a5a00;
  --caution-bg: #fff3d6;
  --nogo: #b42318;
  --nogo-bg: #fde8e6;
  --unknown: #4b5563;
  --unknown-bg: #eceff2;
  --info: #285e8e;
  --info-bg: #e7f0f8;
  --radius: 12px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1412;
    --card: #171e1b;
    --ink: #e7ece9;
    --muted: #9aa8a0;
    --line: #2a3430;
    --go: #6fd08f;
    --go-bg: #15301f;
    --caution: #ffcf66;
    --caution-bg: #33290f;
    --nogo: #ff8a80;
    --nogo-bg: #3a1714;
    --unknown: #c3cad2;
    --unknown-bg: #262c31;
    --info: #8cc4f2;
    --info-bg: #142636;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: inherit; }
.top {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px 20px; background: var(--green); color: #fff; border-bottom: 4px solid var(--gold);
}
.brand { display: flex; gap: 12px; align-items: center; }
.logo { font-size: 26px; background: var(--gold); color: var(--green); width: 42px; height: 42px; display: grid; place-items: center; border-radius: 10px; }
h1 { font-size: 19px; margin: 0; }
.sub { margin: 0; opacity: .85; font-size: 13px; }
.pill { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: rgba(255,255,255,.15); white-space: nowrap; }

.layout {
  display: grid; gap: 16px; padding: 16px; max-width: 1400px; margin: 0 auto;
  grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
  grid-template-areas: "plan result" "plan chat";
}
#plan-panel { grid-area: plan; align-self: start; position: sticky; top: 12px; }
#result-panel { grid-area: result; }
.chat { grid-area: chat; }
.layout:has(#result-panel[hidden]) { grid-template-areas: "plan chat" "plan chat"; }
@media (max-width: 900px) {
  .layout, .layout:has(#result-panel[hidden]) { grid-template-columns: 1fr; grid-template-areas: "plan" "result" "chat"; padding: 12px; }
  #plan-panel { position: static; }
}
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; min-width: 0; }
h2 { font-size: 16px; margin: 0 0 12px; }
h3 { font-size: 14px; margin: 18px 0 8px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }

form label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 10px; }
form input, form select, form textarea {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit; color: var(--ink);
  background: var(--bg); border: 1px solid var(--line); border-radius: 8px;
}
form input:focus, form select:focus, textarea:focus { outline: 2px solid var(--gold); outline-offset: 1px; }
.row { display: flex; gap: 10px; }
.row > label { flex: 1; min-width: 0; }
label.check { display: flex; gap: 8px; align-items: center; color: var(--ink); }
label.check input { width: auto; margin: 0; }
details { margin: 4px 0 12px; }
summary { cursor: pointer; color: var(--green-2); font-size: 13px; margin-bottom: 10px; }
@media (prefers-color-scheme: dark) { summary { color: var(--gold); } }
button { font: inherit; cursor: pointer; border-radius: 8px; padding: 9px 16px; border: 1px solid transparent; }
button.primary { background: var(--green); color: #fff; font-weight: 600; width: 100%; }
button.primary:hover { background: var(--green-2); }
button:disabled { opacity: .6; cursor: progress; }
button.ghost { background: transparent; border-color: var(--line); color: var(--muted); padding: 4px 10px; font-size: 13px; }
.fine { font-size: 12px; color: var(--muted); margin: 10px 0 0; }

/* Verdict */
.verdict { border-radius: 10px; padding: 14px 16px; display: flex; gap: 14px; align-items: center; flex-wrap: wrap; }
.verdict .big { font-size: 22px; font-weight: 800; letter-spacing: .02em; }
.verdict .meta { font-size: 13px; }
.v-GO { background: var(--go-bg); color: var(--go); }
.v-GO_WITH_CAUTION { background: var(--caution-bg); color: var(--caution); }
.v-NO_GO { background: var(--nogo-bg); color: var(--nogo); }
.v-UNABLE_TO_VERIFY { background: var(--unknown-bg); color: var(--unknown); }
.summary-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-top: 12px; }
.stat { border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.stat .k { font-size: 12px; color: var(--muted); }
.stat .v { font-size: 17px; font-weight: 700; font-variant-numeric: tabular-nums; }

.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.checks li { display: grid; grid-template-columns: 92px 1fr; gap: 10px; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); }
.checks .t { font-weight: 600; }
.checks .d { font-size: 13px; color: var(--muted); }
.checks .ref { font-size: 12px; color: var(--muted); font-family: var(--mono); }
.badge { font-size: 11px; font-weight: 800; border-radius: 6px; padding: 3px 6px; text-align: center; align-self: start; letter-spacing: .03em; }
.s-GO { background: var(--go-bg); color: var(--go); }
.s-CAUTION { background: var(--caution-bg); color: var(--caution); }
.s-NO_GO { background: var(--nogo-bg); color: var(--nogo); }
.s-UNKNOWN { background: var(--unknown-bg); color: var(--unknown); }
.s-INFO { background: var(--info-bg); color: var(--info); }

.raw { font-family: var(--mono); font-size: 12.5px; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; white-space: pre-wrap; word-break: break-word; margin: 4px 0 8px; }
.wx-airport { margin-bottom: 10px; }
.wx-airport .h { font-weight: 700; }
.muted { color: var(--muted); font-size: 13px; }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: 13px; font-variant-numeric: tabular-nums; }
th, td { text-align: right; padding: 6px 8px; border-bottom: 1px solid var(--line); white-space: nowrap; }
th:first-child, td:first-child { text-align: left; }
th { color: var(--muted); font-weight: 600; }
tfoot td { font-weight: 700; }
ul.notes { margin: 6px 0; padding-left: 18px; font-size: 13px; color: var(--muted); }

/* Chat */
.chat { display: flex; flex-direction: column; min-height: 420px; }
.chat-head { display: flex; justify-content: space-between; align-items: center; }
.messages { flex: 1; overflow-y: auto; max-height: 62vh; display: flex; flex-direction: column; gap: 10px; padding: 4px 2px 10px; }
.msg { padding: 10px 12px; border-radius: 10px; max-width: 92%; overflow-wrap: anywhere; }
.msg.user { align-self: flex-end; background: var(--green); color: #fff; white-space: pre-wrap; }
.msg.assistant { align-self: flex-start; background: var(--bg); border: 1px solid var(--line); }
.msg.assistant h1, .msg.assistant h2, .msg.assistant h3, .msg.assistant h4 { font-size: 15px; margin: 10px 0 4px; text-transform: none; letter-spacing: 0; color: var(--ink); }
.msg.assistant p { margin: 6px 0; }
.msg.assistant ul, .msg.assistant ol { margin: 6px 0; padding-left: 20px; }
.msg.assistant code { font-family: var(--mono); font-size: 12.5px; background: var(--card); padding: 1px 4px; border-radius: 4px; }
.msg.assistant pre { font-family: var(--mono); font-size: 12.5px; background: var(--card); padding: 8px; border-radius: 6px; white-space: pre-wrap; }
.msg.assistant table { margin: 6px 0; }
.msg.status { align-self: flex-start; font-size: 13px; color: var(--muted); font-style: italic; padding: 2px 4px; }
.msg.error { align-self: flex-start; background: var(--nogo-bg); color: var(--nogo); }
.chat-form { display: flex; gap: 8px; align-items: flex-end; border-top: 1px solid var(--line); padding-top: 10px; }
.chat-form textarea { flex: 1; resize: vertical; margin: 0; }
.chat-form button { width: auto; }
.foot { text-align: center; font-size: 12px; color: var(--muted); padding: 8px 16px 20px; }
@media (max-width: 600px) {
  .top { padding: 10px 12px; }
  .sub { display: none; }
  h1 { font-size: 17px; }
  .logo { width: 36px; height: 36px; font-size: 20px; }
}

/* Access-code gate */
.gate { position: fixed; inset: 0; background: rgba(0, 40, 28, .72); display: grid; place-items: center; padding: 16px; z-index: 10; }
.gate[hidden] { display: none; }
.gate-card { width: 100%; max-width: 360px; }
.gate-err { color: var(--nogo); font-size: 13px; margin: 0 0 10px; }