:root {
  --ink: #142d26;
  --ink-soft: #365148;
  --paper: #f7f0e4;
  --paper-bright: #fffaf1;
  --line: #d8cbb7;
  --orange: #e36d37;
  --orange-dark: #b9481d;
  --mint: #d8ede3;
  --mint-strong: #83c8a7;
  --amber: #f4d993;
  --red: #b43d31;
  --shadow: 0 22px 60px rgba(20, 45, 38, 0.18);
  --mono: "Courier New", Courier, monospace;
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { color-scheme: light; }
body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--serif);
}

.grid-paper {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(20, 45, 38, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20, 45, 38, 0.055) 1px, transparent 1px);
  background-size: 32px 32px;
  mask-image: linear-gradient(to bottom, black 0, transparent 75%);
}

.hidden { display: none !important; }
.eyebrow {
  margin: 0 0 8px;
  color: var(--orange-dark);
  font: 700 11px/1.2 var(--mono);
  letter-spacing: 0.13em;
}

h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(28px, 4vw, 48px); letter-spacing: -0.035em; }
h2 { margin-bottom: 0; font-size: 25px; }
h3 { font-size: 16px; }

.login-screen {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  position: relative;
  width: min(560px, 100%);
  padding: clamp(32px, 7vw, 72px);
  background: var(--paper-bright);
  border: 1px solid var(--ink);
  box-shadow: 12px 12px 0 var(--ink);
}
.login-card::before {
  content: "LAB / 01";
  position: absolute;
  right: 18px;
  top: 16px;
  color: var(--ink-soft);
  font: 700 11px var(--mono);
}
.login-card h1 { margin-bottom: 24px; font-size: clamp(40px, 8vw, 68px); line-height: 0.95; }
.login-card p:not(.eyebrow) { color: var(--ink-soft); line-height: 1.55; }
.error-text { color: var(--red) !important; margin-top: 16px; }

.topbar {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(20px, 4vw, 64px);
  color: var(--paper-bright);
  background: var(--ink);
}
.topbar .eyebrow { color: #f3a77f; }
.topbar-actions, .toolbar-buttons { display: flex; align-items: center; gap: 10px; }
.user-chip {
  padding: 9px 13px;
  border: 1px solid rgba(255,255,255,.28);
  border-radius: 99px;
  font: 12px var(--mono);
}

.button, .icon-button {
  appearance: none;
  border: 1px solid var(--ink);
  border-radius: 4px;
  color: var(--ink);
  background: var(--paper-bright);
  cursor: pointer;
  font: 700 12px/1 var(--mono);
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}
.button { display: inline-flex; align-items: center; justify-content: center; padding: 11px 14px; }
.button:hover, .icon-button:hover { transform: translateY(-1px); box-shadow: 3px 3px 0 var(--ink); }
.button.primary { color: white; border-color: var(--orange-dark); background: var(--orange); }
.button.quiet { color: inherit; border-color: currentColor; background: transparent; }
.button.wide { width: 100%; margin-top: 14px; padding: 15px; }
.icon-button { width: 38px; height: 38px; font-size: 18px; }
.topbar .icon-button { color: white; border-color: rgba(255,255,255,.45); background: transparent; }

.metric-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(5, minmax(130px, 1fr));
  gap: 1px;
  margin: 0 clamp(20px, 4vw, 64px);
  background: var(--ink);
  border: 1px solid var(--ink);
  transform: translateY(22px);
  box-shadow: 7px 7px 0 rgba(20,45,38,.16);
  z-index: 2;
}
.metric-grid article { min-height: 92px; padding: 17px; background: var(--paper-bright); }
.metric-grid span { display: block; color: var(--ink-soft); font: 700 10px var(--mono); text-transform: uppercase; }
.metric-grid strong { display: block; margin-top: 11px; font-size: 28px; }

.workspace { position: relative; padding: 55px clamp(20px, 4vw, 64px) 50px; }
.toolbar {
  display: grid;
  grid-template-columns: minmax(220px, 1.4fr) repeat(3, minmax(130px, .65fr)) auto;
  gap: 12px;
  align-items: end;
  margin-bottom: 16px;
}
label > span {
  display: block;
  margin-bottom: 6px;
  color: var(--ink-soft);
  font: 700 10px var(--mono);
  text-transform: uppercase;
  letter-spacing: .06em;
}
input, select, textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 3px;
  color: var(--ink);
  background: var(--paper-bright);
  font: 14px var(--serif);
  padding: 9px 10px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--orange); outline-offset: 1px; }

.table-shell {
  position: relative;
  overflow: auto;
  max-height: calc(100vh - 310px);
  border: 1px solid var(--ink);
  background: var(--paper-bright);
  box-shadow: var(--shadow);
}
table { width: max(100%, 2080px); border-collapse: separate; border-spacing: 0; }
th {
  position: sticky;
  top: 0;
  z-index: 3;
  padding: 12px 10px;
  color: white;
  background: var(--ink);
  border-right: 1px solid #456057;
  text-align: left;
  font: 700 10px/1.25 var(--mono);
  letter-spacing: .055em;
  text-transform: uppercase;
}
td {
  max-width: 240px;
  padding: 12px 10px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  font-size: 13px;
}
tbody tr { transition: background 100ms ease; }
tbody tr:hover { background: #fff3de; }
.document-link { color: var(--ink); font-weight: 700; text-decoration-color: var(--orange); text-underline-offset: 3px; }
.subtext { display: block; margin-top: 4px; color: var(--ink-soft); font: 10px/1.35 var(--mono); }
.number { font: 700 13px var(--mono); white-space: nowrap; }
.badge {
  display: inline-block;
  padding: 5px 7px;
  border-radius: 99px;
  background: var(--mint);
  font: 700 9px var(--mono);
  text-transform: uppercase;
}
.badge.review { background: var(--amber); }
.badge.fail { color: white; background: var(--red); }
.badge.muted { background: #e4ded2; }
.progress { width: 105px; }
.progress-track { height: 5px; margin-top: 8px; overflow: hidden; background: #dfd6c8; }
.progress-track i { display: block; height: 100%; background: var(--orange); }
.confidence { font: 700 22px var(--serif); }
.table-footer { display: flex; justify-content: space-between; gap: 20px; padding: 10px 2px; color: var(--ink-soft); font: 10px var(--mono); }
.empty { display: grid; place-items: center; min-height: 280px; color: var(--ink-soft); }
.empty span { font: 12px var(--mono); }

.drawer {
  position: fixed;
  z-index: 20;
  inset: 0 0 0 auto;
  width: min(860px, 94vw);
  overflow: auto;
  background: var(--paper-bright);
  border-left: 1px solid var(--ink);
  box-shadow: -30px 0 70px rgba(20,45,38,.24);
  transform: translateX(105%);
  transition: transform 220ms cubic-bezier(.2,.8,.2,1);
}
.drawer.open { transform: translateX(0); }
.drawer-backdrop { position: fixed; z-index: 19; inset: 0; background: rgba(20,45,38,.38); }
.drawer-header { position: sticky; z-index: 4; top: 0; display: flex; justify-content: space-between; padding: 22px 24px; background: var(--paper-bright); border-bottom: 1px solid var(--line); }
.tabs { position: sticky; z-index: 4; top: 89px; display: flex; gap: 0; overflow-x: auto; background: var(--paper); border-bottom: 1px solid var(--ink); }
.tabs button { padding: 12px 15px; border: 0; border-right: 1px solid var(--line); background: transparent; font: 700 10px var(--mono); white-space: nowrap; cursor: pointer; }
.tabs button.active { color: white; background: var(--ink); }
.drawer-content { padding: 24px; }
.panel-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.panel, details {
  padding: 15px;
  border: 1px solid var(--line);
  background: white;
}
.panel.full { grid-column: 1 / -1; }
.panel dt { color: var(--ink-soft); font: 700 9px var(--mono); text-transform: uppercase; }
.panel dd { margin: 5px 0 14px; font-size: 15px; overflow-wrap: anywhere; }
.panel dd:last-child { margin-bottom: 0; }
.stage { display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; margin-bottom: 10px; padding: 14px; border: 1px solid var(--line); background: white; }
.stage-index { display: grid; place-items: center; width: 34px; height: 34px; color: white; background: var(--ink); font: 700 12px var(--mono); }
.stage h3 { margin-bottom: 4px; }
.stage-meta { color: var(--ink-soft); font: 10px/1.5 var(--mono); }
pre {
  max-height: 420px;
  overflow: auto;
  padding: 14px;
  color: #e9f2ed;
  background: #10231e;
  font: 11px/1.55 var(--mono);
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
summary { cursor: pointer; font-weight: 700; }
.rule { margin-bottom: 10px; padding: 13px; border-left: 4px solid var(--orange); background: #fff3de; }
.rule strong { display: block; margin-bottom: 4px; }
.rule span { color: var(--ink-soft); font-size: 13px; }
.rag-match span { display: block; margin-top: 6px; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 12px; }
.form-grid .full { grid-column: 1/-1; }
.form-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 18px; }
.issue-list { padding-left: 20px; }
.issue-list li { margin-bottom: 7px; }

dialog {
  width: min(650px, calc(100% - 28px));
  padding: 0;
  border: 1px solid var(--ink);
  background: var(--paper-bright);
  box-shadow: 12px 12px 0 var(--ink);
}
dialog::backdrop { background: rgba(20,45,38,.55); }
dialog form { padding: 24px; }
.dialog-heading { display: flex; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.drop-zone { display: grid; place-items: center; min-height: 190px; padding: 25px; border: 2px dashed var(--orange); background: #fff5e6; text-align: center; cursor: pointer; }
.drop-zone input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.drop-zone span { margin-top: 9px; color: var(--ink-soft); font: 10px var(--mono); }
.selection { margin: 12px 0; color: var(--ink-soft); font: 11px/1.5 var(--mono); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 10px; }
.toast { position: fixed; z-index: 50; right: 22px; bottom: 22px; max-width: 390px; padding: 14px 18px; color: white; background: var(--ink); box-shadow: 5px 5px 0 var(--orange); font: 12px/1.4 var(--mono); }

@media (max-width: 1100px) {
  .metric-grid { grid-template-columns: repeat(3, 1fr); }
  .toolbar { grid-template-columns: repeat(2, 1fr); }
  .toolbar-buttons { grid-column: 1/-1; }
  .table-shell { max-height: none; }
}
@media (max-width: 650px) {
  .topbar { align-items: flex-start; padding: 22px 16px 34px; }
  .topbar-actions { flex-wrap: wrap; justify-content: flex-end; }
  .user-chip { display: none; }
  .metric-grid { grid-template-columns: repeat(2, 1fr); margin-inline: 14px; }
  .metric-grid article:last-child { grid-column: 1/-1; }
  .workspace { padding: 48px 14px 30px; }
  .toolbar { grid-template-columns: 1fr; }
  .toolbar-buttons { grid-column: auto; flex-wrap: wrap; }
  .table-footer { flex-direction: column; }
  .panel-grid, .form-grid { grid-template-columns: 1fr; }
  .panel.full, .form-grid .full { grid-column: auto; }
  .drawer { width: 100vw; }
}