/* PDO brand chrome: navy #0B1F3A, steel #8FA9C9, amber #F2A93B.
   Status colours are separate (see contracts/enums.json) so chrome never
   reads as status. Neutrals below are chosen with a cool navy bias, not
   inherited defaults. */
:root {
  --navy: #0B1F3A; --steel: #8FA9C9; --amber: #F2A93B;
  --ink: #101826; --muted: #57678A; --line: #D6DEE9;
  --paper: #EEF1F6; --card: #FFFFFF;
  --grid-line: rgba(11,31,58,.06);
  --shadow: 0 14px 32px -20px rgba(11,31,58,.30);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #E7ECF5; --muted: #93A3C2; --line: #263654;
    --paper: #0A101C; --card: #121A2C;
    --grid-line: rgba(143,169,201,.08);
    --shadow: 0 14px 32px -18px rgba(0,0,0,.55);
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; color: var(--ink); background: var(--paper);
  font-family: "IBM Plex Sans", system-ui, sans-serif; font-size: 14px; line-height: 1.5;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 26px 26px;
}
code, .mono { font-family: "IBM Plex Mono", ui-monospace, monospace; }

header {
  background: var(--navy); color: #fff; padding: 14px 22px;
  display: flex; align-items: baseline; gap: 16px; flex-wrap: wrap;
}
header h1 {
  margin: 0; font-size: 19px; font-weight: 700; letter-spacing: .04em;
  font-family: "IBM Plex Sans", sans-serif;
}
header h1 span { color: var(--steel); font-weight: 400; margin-left: 6px; }
header .sub {
  color: var(--steel); font-size: 12px; font-family: "IBM Plex Mono", monospace;
  letter-spacing: .01em;
}

main {
  display: grid; grid-template-columns: 340px 1fr 320px; gap: 16px;
  padding: 16px 22px 40px; align-items: start;
}
@media (max-width: 1100px) { main { grid-template-columns: 1fr; } }

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 6px;
  padding: 16px; box-shadow: var(--shadow); position: relative;
}
.card h2 {
  margin: 0 0 14px; font-size: 12px; text-transform: uppercase; letter-spacing: .09em;
  color: var(--muted); font-family: "IBM Plex Mono", monospace; font-weight: 500;
  display: flex; align-items: center; gap: 10px;
}
.card h2::after { content: ""; flex: 1; height: 1px; background: var(--line); }

button {
  background: var(--navy); color: #fff; border: 1px solid var(--navy); border-radius: 4px;
  padding: 8px 14px; font-size: 13px; font-weight: 500; cursor: pointer;
  font-family: "IBM Plex Sans", sans-serif; transition: transform .1s ease, box-shadow .1s ease;
}
button:hover { background: #16345c; border-color: #16345c; }
button:active { transform: translateY(1px); }
button:focus-visible { outline: 3px solid var(--steel); outline-offset: 2px; }
button:disabled { background: var(--line); border-color: var(--line); color: var(--muted); cursor: not-allowed; }
button.amber { background: var(--amber); border-color: var(--amber); color: var(--navy); font-weight: 700; }
button.amber:hover { background: #ffb84d; border-color: #ffb84d; }
button.ghost { background: transparent; color: var(--navy); border: 1px solid var(--line); }
button.ghost:hover { background: var(--paper); border-color: var(--steel); }
@media (prefers-color-scheme: dark) { button.ghost { color: var(--ink); } }

input[type=file] { font-size: 13px; max-width: 100%; color: var(--ink); }
input[type=text] {
  border: 1px solid var(--line); border-radius: 4px; padding: 8px 10px; font-size: 13px;
  width: 100%; background: var(--card); color: var(--ink); font-family: "IBM Plex Sans", sans-serif;
}
input[type=text]:focus-visible { outline: 2px solid var(--steel); outline-offset: 1px; }

/* validation report — a compact issue list, not a cramped 4-column table */
.issue-list { display: flex; flex-direction: column; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 4px; overflow: hidden; }
.issue { background: var(--card); padding: 8px 10px; }
.issue-head { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; }
.issue-code { font-family: "IBM Plex Mono", monospace; font-size: 11px; color: var(--muted); }
.issue-msg { font-size: 12px; line-height: 1.5; }
.issue-where { font-family: "IBM Plex Mono", monospace; font-size: 10px; color: var(--muted); margin-top: 4px; }
.sev-error, .sev-warning, .sev-info {
  font-family: "IBM Plex Mono", monospace; font-size: 10px; text-transform: uppercase; letter-spacing: .04em;
  font-weight: 600; border-radius: 3px; padding: 2px 6px; display: inline-block; white-space: nowrap;
}
.sev-error   { color: #7A231D; background: #FBE4E2; }
.sev-warning { color: #6B4A00; background: #FCEEC8; }
.sev-info    { color: #234064; background: #E4ECF7; }
@media (prefers-color-scheme: dark) {
  .sev-error   { color: #FFB4AC; background: rgba(214,69,69,.18); }
  .sev-warning { color: #FFD98A; background: rgba(242,169,59,.16); }
  .sev-info    { color: #AFCBF2; background: rgba(143,169,201,.16); }
}

.summary { font-size: 13px; line-height: 1.75; }
.summary b { color: var(--navy); font-weight: 600; }
@media (prefers-color-scheme: dark) { .summary b { color: var(--steel); } }
.muted { color: var(--muted); font-size: 12px; }

/* lens selector */
.lens { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 14px; }
.lens button {
  background: var(--card); color: var(--muted); border: 1px solid var(--line);
  font-family: "IBM Plex Mono", monospace; font-size: 11px; font-weight: 500; padding: 6px 11px;
}
.lens button.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.lens button:hover:not(.active) { border-color: var(--steel); color: var(--ink); }

/* tile map */
.facility { margin-bottom: 20px; }
.facility h3 {
  margin: 0 0 10px; font-size: 12px; color: var(--muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: .06em; font-family: "IBM Plex Mono", monospace;
}
.facility h3 span { color: var(--muted); font-weight: 400; text-transform: none; letter-spacing: 0; font-family: "IBM Plex Sans", sans-serif; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(84px, 1fr)); gap: 8px; }
.tile {
  border: 1px solid rgba(11,31,58,.22); border-radius: 4px; padding: 8px 7px; cursor: pointer;
  min-height: 56px; position: relative; transition: transform .08s ease, box-shadow .08s ease;
}
.tile:hover { transform: translateY(-1px); box-shadow: 0 6px 14px -6px rgba(11,31,58,.4); }
.tile:focus-visible { outline: 2px solid var(--navy); outline-offset: 2px; }
.tile .code {
  font-weight: 600; font-size: 12px; font-family: "IBM Plex Mono", monospace; color: var(--navy);
}
.tile .zname { font-size: 10px; line-height: 1.25; margin-top: 3px; color: rgba(11,31,58,.72); }
.tile.selected { outline: 2px solid var(--amber); outline-offset: 1px; box-shadow: 0 0 0 4px rgba(242,169,59,.18); }
.tile.zone-hold-ring { box-shadow: inset 0 0 0 2px #D64545; }
.tile .holdtag {
  position: absolute; top: 3px; right: 3px; font-size: 8px; font-weight: 700; letter-spacing: .04em;
  color: #fff; background: #D64545; padding: 1px 4px; border-radius: 2px;
  font-family: "IBM Plex Mono", monospace;
}
.legend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 16px; font-size: 11px; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.chip { width: 12px; height: 12px; border-radius: 2px; border: 1px solid rgba(11,31,58,.25); display: inline-block; }

/* details */
.detail dt {
  font-size: 10px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted);
  margin-top: 12px; font-family: "IBM Plex Mono", monospace; font-weight: 500;
}
.detail dt:first-child { margin-top: 0; }
.detail dd { margin: 3px 0 0; font-size: 13px; }
.cwprow {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  border: 1px solid var(--line); border-radius: 4px; padding: 8px 10px; margin-top: 8px; font-size: 12px;
  background: var(--paper);
}
.status-pill {
  padding: 3px 9px; border-radius: 3px; font-size: 10px; font-weight: 600; white-space: nowrap;
  font-family: "IBM Plex Mono", monospace; text-transform: uppercase; letter-spacing: .04em; color: #fff;
  text-shadow: 0 1px 1px rgba(0,0,0,.15);
}
.stack { display: flex; flex-direction: column; gap: 10px; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.eventlog { font-size: 11px; max-height: 200px; overflow-y: auto; margin-top: 8px; font-family: "IBM Plex Mono", monospace; }
.eventlog div { border-bottom: 1px dashed var(--line); padding: 5px 0; }
#report-wrap { max-height: 420px; overflow: auto; border-radius: 4px; }

footer {
  text-align: center; padding: 18px 20px 26px; color: var(--muted); font-size: 11px;
  font-family: "IBM Plex Mono", monospace; letter-spacing: .04em;
}