/* LetterDesk — ink on ledger.
   Identifiers are monospace everywhere: a reference number is read
   character-exact or not at all. Colour carries verification state only. */

@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500;600&family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&display=swap');

:root {
  --paper:    #eef0f2;
  --surface:  #ffffff;
  --sunk:     #e4e8ec;
  --ink:      #14202e;
  --ink-2:    #4a5a6c;
  --ink-3:    #7d8b99;
  --rule:     #ccd3da;
  --rule-2:   #dde2e8;
  --sanction: #0b6b4f;
  --sanction-bg: #e3f0ea;
  --vermilion:   #b3321e;
  --vermilion-bg:#f8e5e1;
  --amber:    #8a6112;
  --amber-bg: #f7eeda;
  --focus:    #1c4f8a;

  --ui: 'Archivo', ui-sans-serif, system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --serif: 'Source Serif 4', Georgia, serif;

  --r: 3px;
  --shadow: 0 1px 2px rgba(20, 32, 46, .06), 0 8px 24px -12px rgba(20, 32, 46, .18);
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 14px/1.5 var(--ui);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--focus); }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--focus); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* Every identifier — case no, reference, clause, date, amount — reads in the register hand. */
.id, .ref, code, .mono { font-family: var(--mono); font-size: .92em; letter-spacing: -.01em; }

/* ── shell ───────────────────────────────────────────────────────────── */
.app { display: grid; grid-template-columns: 216px 1fr; min-height: 100vh; }

.rail {
  background: var(--ink); color: #cfd8e0; padding: 18px 0;
  display: flex; flex-direction: column; gap: 2px; position: sticky; top: 0; height: 100vh;
}
.brand { padding: 0 18px 18px; border-bottom: 1px solid #26364a; margin-bottom: 12px; }
.brand b { display: block; font-size: 15px; font-weight: 700; color: #fff; letter-spacing: -.01em; }
.brand span { font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: .12em; color: #7d90a4; }
.rail a {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 18px; color: #cfd8e0; text-decoration: none; font-weight: 500; font-size: 13.5px;
  border-left: 2px solid transparent;
}
.rail a:hover { background: #1d2b3c; color: #fff; }
.rail a.on { background: #1d2b3c; color: #fff; border-left-color: var(--sanction); }
.rail .count { font-family: var(--mono); font-size: 11px; color: #8fa2b5; }
.rail .foot { margin-top: auto; padding: 12px 18px 0; border-top: 1px solid #26364a; font-size: 12px; color: #8fa2b5; }
.rail .foot b { display: block; color: #dbe3ea; font-weight: 600; }
.rail .foot button { background: none; border: 0; color: #8fa2b5; padding: 6px 0 0; cursor: pointer; text-decoration: underline; font-size: 12px; }

.main { min-width: 0; display: flex; flex-direction: column; }

.head {
  background: var(--surface); border-bottom: 1px solid var(--rule);
  padding: 16px 24px; display: flex; align-items: flex-start; gap: 16px; flex-wrap: wrap;
}
.head h1 { margin: 0; font-size: 19px; font-weight: 600; letter-spacing: -.015em; }
.head .sub { color: var(--ink-2); font-size: 13px; margin-top: 3px; }
.head .spacer { flex: 1; }

.body { padding: 24px; flex: 1; min-width: 0; }

/* ── controls ────────────────────────────────────────────────────────── */
.btn {
  border: 1px solid var(--rule); background: var(--surface); color: var(--ink);
  padding: 7px 13px; border-radius: var(--r); cursor: pointer; font-weight: 500; font-size: 13px;
  display: inline-flex; align-items: center; gap: 7px; white-space: nowrap;
}
.btn:hover:not(:disabled) { border-color: var(--ink-3); background: #fafbfc; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--ink); border-color: var(--ink); color: #fff; }
.btn.primary:hover:not(:disabled) { background: #1f3145; }
.btn.go { background: var(--sanction); border-color: var(--sanction); color: #fff; }
.btn.go:hover:not(:disabled) { background: #0d7d5c; }
.btn.danger { color: var(--vermilion); border-color: #e2b9b1; }
.btn.sm { padding: 4px 9px; font-size: 12px; }

input[type=text], input[type=email], input[type=password], input[type=date], select, textarea {
  border: 1px solid var(--rule); border-radius: var(--r); padding: 7px 10px;
  background: var(--surface); width: 100%;
}
label.f { display: block; margin-bottom: 12px; }
label.f > span { display: block; font-size: 12px; font-weight: 600; color: var(--ink-2); margin-bottom: 4px; }

.card { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r); }
.card > h2 {
  margin: 0; padding: 11px 16px; border-bottom: 1px solid var(--rule-2);
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-2);
  display: flex; align-items: center; gap: 10px;
}
.card > h2 .spacer { flex: 1; }

/* ── state pills: the stamp panel ────────────────────────────────────── */
.pill {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--mono); font-size: 10.5px; font-weight: 500;
  text-transform: uppercase; letter-spacing: .07em;
  padding: 3px 8px; border-radius: 2px; border: 1px solid;
  background: var(--sunk); border-color: var(--rule); color: var(--ink-2);
}
.pill.ok   { background: var(--sanction-bg); border-color: #a9cfc0; color: var(--sanction); }
.pill.warn { background: var(--amber-bg);    border-color: #ddc78e; color: var(--amber); }
.pill.bad  { background: var(--vermilion-bg);border-color: #e2b0a5; color: var(--vermilion); }

/* ── inbox ───────────────────────────────────────────────────────────── */
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(132px, 1fr)); gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: var(--r); margin-bottom: 20px; overflow: hidden; }
.stat { background: var(--surface); padding: 13px 15px; }
.stat b { display: block; font-family: var(--mono); font-size: 24px; font-weight: 500; letter-spacing: -.03em; }
.stat span { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); font-weight: 600; }
.stat.alert b { color: var(--vermilion); }

table { width: 100%; border-collapse: collapse; }
th {
  text-align: left; font-size: 11px; text-transform: uppercase; letter-spacing: .08em;
  color: var(--ink-3); font-weight: 600; padding: 9px 14px; border-bottom: 1px solid var(--rule);
}
td { padding: 11px 14px; border-bottom: 1px solid var(--rule-2); vertical-align: top; }
tbody tr { cursor: pointer; }
tbody tr:hover { background: #f7f9fa; }
tbody tr:last-child td { border-bottom: 0; }
.t-title { font-weight: 500; }
.t-sub { color: var(--ink-3); font-size: 12px; margin-top: 2px; }
.due.over { color: var(--vermilion); font-weight: 600; }

/* ── case workspace: the file ────────────────────────────────────────── */
.work { display: grid; grid-template-rows: 1fr auto; height: calc(100vh - 74px); }
.panes { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--rule); min-height: 0; }
.pane { background: var(--surface); display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.pane > header {
  padding: 9px 14px; border-bottom: 1px solid var(--rule-2); display: flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-2);
}
.pane > header .spacer { flex: 1; }
.pane .scroll { overflow: auto; flex: 1; min-height: 0; }
.pane iframe { width: 100%; height: 100%; border: 0; background: var(--sunk); }

/* The docket spine — a file tab, not decoration: it names the case at all times. */
.spine {
  writing-mode: vertical-rl; text-orientation: mixed;
  font-family: var(--mono); font-size: 10px; letter-spacing: .18em; color: var(--ink-3);
  padding: 10px 3px; background: var(--sunk); border-right: 1px solid var(--rule);
  display: flex; align-items: center; justify-content: center; user-select: none;
}

.editor {
  font-family: var(--serif); font-size: 15px; line-height: 1.72; padding: 26px 30px;
  border: 0; resize: none; width: 100%; flex: 1; min-height: 0; outline: 0; background: var(--surface);
}
.preview { font-family: var(--serif); font-size: 15px; line-height: 1.72; padding: 26px 30px; white-space: pre-wrap; }

/* Signature: the citation chip. Every claim points at its evidence. */
.cite {
  font-family: var(--mono); font-size: 10.5px; font-weight: 500;
  background: var(--sunk); border: 1px solid var(--rule); border-radius: 2px;
  padding: 0 4px; margin: 0 1px; cursor: pointer; color: var(--ink-2);
  vertical-align: 1px; display: inline-block; line-height: 1.5;
}
.cite:hover, .cite.on { background: var(--ink); border-color: var(--ink); color: #fff; }

/* ── sources rail ────────────────────────────────────────────────────── */
.sources { background: var(--surface); border-top: 1px solid var(--rule); max-height: 40vh; display: flex; flex-direction: column; }
.sources > header { padding: 9px 14px; border-bottom: 1px solid var(--rule-2); display: flex; gap: 10px; align-items: center; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .1em; color: var(--ink-2); }
.sources > header .spacer { flex: 1; }
.src-list { overflow: auto; }
.src {
  display: grid; grid-template-columns: 30px 1fr auto; gap: 10px; align-items: baseline;
  padding: 9px 14px; border-bottom: 1px solid var(--rule-2); cursor: pointer;
}
.src:hover, .src.on { background: #f7f9fa; }
.src.on { box-shadow: inset 2px 0 0 var(--ink); }
.src .n { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.src .where { font-size: 13px; font-weight: 500; }
.src .snip { color: var(--ink-2); font-size: 12.5px; margin-top: 2px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ── verification strip: the stamp panel on the file cover ───────────── */
.verify { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 1px; background: var(--rule); border-top: 1px solid var(--rule); }
.vcell { background: var(--surface); padding: 8px 12px; }
.vcell .lbl { font-size: 10px; text-transform: uppercase; letter-spacing: .08em; color: var(--ink-3); font-weight: 600; }
.vcell .val { font-family: var(--mono); font-size: 12px; margin-top: 2px; }
.vcell.supported   { box-shadow: inset 0 -3px 0 var(--sanction); }
.vcell.supported .val { color: var(--sanction); }
.vcell.unsupported { box-shadow: inset 0 -3px 0 var(--amber); }
.vcell.unsupported .val { color: var(--amber); }
.vcell.contradicted{ box-shadow: inset 0 -3px 0 var(--vermilion); }
.vcell.contradicted .val { color: var(--vermilion); }

.finding { padding: 10px 14px; border-bottom: 1px solid var(--rule-2); border-left: 3px solid transparent; }
.finding.contradicted { border-left-color: var(--vermilion); background: #fdf7f6; }
.finding.unsupported  { border-left-color: var(--amber); background: #fdfaf3; }
.finding .claim { font-weight: 500; }
.finding .says { font-size: 12.5px; color: var(--ink-2); margin-top: 4px; }
.finding .says b { font-family: var(--mono); font-size: 11.5px; font-weight: 500; }

/* ── misc ────────────────────────────────────────────────────────────── */
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.muted { color: var(--ink-3); }
.empty { padding: 40px 20px; text-align: center; color: var(--ink-3); }
.empty b { display: block; color: var(--ink-2); margin-bottom: 4px; font-size: 15px; }
.kv { display: grid; grid-template-columns: 128px 1fr; gap: 5px 12px; padding: 14px 16px; font-size: 13px; }
.kv dt { color: var(--ink-3); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; font-weight: 600; padding-top: 2px; }
.kv dd { margin: 0; }
.chips { display: flex; gap: 5px; flex-wrap: wrap; }
.chip { font-family: var(--mono); font-size: 11px; background: var(--sunk); border: 1px solid var(--rule); border-radius: 2px; padding: 1px 6px; }
.chip.link { cursor: pointer; }
.chip.link:hover { background: var(--ink); color: #fff; border-color: var(--ink); }
.chip.dead { opacity: .55; }

.trail { font-size: 12.5px; }
.trail li { display: grid; grid-template-columns: 62px 1fr; gap: 10px; padding: 5px 16px; border-bottom: 1px solid var(--rule-2); list-style: none; }
.trail li:last-child { border-bottom: 0; }
.trail time { font-family: var(--mono); font-size: 11px; color: var(--ink-3); }
.trail ul { margin: 0; padding: 0; }

.bar { display: flex; align-items: center; gap: 10px; padding: 4px 16px; font-size: 12.5px; }
.bar .track { flex: 1; height: 6px; background: var(--sunk); border-radius: 3px; overflow: hidden; }
.bar .fill { height: 100%; background: var(--ink); }
.bar .n { font-family: var(--mono); font-size: 11px; color: var(--ink-2); min-width: 28px; text-align: right; }
.bar .nm { min-width: 132px; }

dialog {
  border: 1px solid var(--rule); border-radius: var(--r); padding: 0; box-shadow: var(--shadow);
  max-width: 560px; width: calc(100vw - 32px); background: var(--surface); color: var(--ink);
}
dialog::backdrop { background: rgba(20, 32, 46, .4); }
dialog h3 { margin: 0; padding: 14px 18px; border-bottom: 1px solid var(--rule-2); font-size: 15px; }
dialog .content { padding: 18px; }
dialog .actions { padding: 12px 18px; border-top: 1px solid var(--rule-2); display: flex; gap: 8px; justify-content: flex-end; background: #fafbfc; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--ink); color: #fff; padding: 10px 16px; border-radius: var(--r);
  box-shadow: var(--shadow); z-index: 90; font-size: 13px; max-width: 90vw;
}
.toast.bad { background: var(--vermilion); }

.spin { display: inline-block; width: 12px; height: 12px; border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

.login { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login .card { width: 100%; max-width: 380px; }
.login .content { padding: 22px; }
.login .brand { border: 0; padding: 0 0 18px; }
.login .brand b { color: var(--ink); font-size: 20px; }
.login .brand span { color: var(--ink-3); }

.err { background: var(--vermilion-bg); border: 1px solid #e2b0a5; color: var(--vermilion); padding: 8px 11px; border-radius: var(--r); font-size: 13px; margin-bottom: 12px; }

@media (max-width: 1100px) { .panes { grid-template-columns: 1fr; } .work { height: auto; } .pane { min-height: 62vh; } }
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; flex-direction: row; overflow-x: auto; padding: 0; align-items: center; }
  .rail .brand, .rail .foot { display: none; }
  .rail a { border-left: 0; border-bottom: 2px solid transparent; padding: 12px 14px; }
  .rail a.on { border-left: 0; border-bottom-color: var(--sanction); }
  .grid2 { grid-template-columns: 1fr; }
  .body { padding: 16px; }
  .spine { display: none; }
}