:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --text: #1d1d1b;
  --muted: #6b6a65;
  --border: #e3e1db;
  --accent: #2f5d50;
  --accent-text: #ffffff;
  --accent-soft: #e4efe9;
  --warn-bg: #fff4dc;
  --warn-text: #7a5300;
  --danger: #a3322a;
  --danger-soft: #fbe9e7;
  --grounded: #2f6f4f;
  --grounded-bg: #e1f1e7;
  --inferred: #8a5a00;
  --inferred-bg: #fcefd6;
  --sim-bg: #ece9f7;
  --sim-text: #4b3f8a;
  --radius: 10px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161715;
    --surface: #1f201e;
    --text: #ecebe7;
    --muted: #a09f99;
    --border: #34352f;
    --accent: #7cc2a8;
    --accent-text: #10241d;
    --accent-soft: #23362f;
    --warn-bg: #3a2f14;
    --warn-text: #f3d18c;
    --danger: #f0897f;
    --danger-soft: #3d221f;
    --grounded: #8fd6ad;
    --grounded-bg: #1f3a2b;
    --inferred: #f0c674;
    --inferred-bg: #3d3018;
    --sim-bg: #2c2843;
    --sim-text: #c4b9f5;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font: 15px/1.5 Inter, system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--accent); }
h1 { font-size: 26px; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 17px; margin: 0; }
h3 { font-size: 14px; margin: 18px 0 6px; }
code { background: var(--border); padding: 1px 5px; border-radius: 4px; font-size: 13px; }

.top {
  display: flex; align-items: baseline; gap: 14px; flex-wrap: wrap;
  padding: 14px 24px; border-bottom: 1px solid var(--border); background: var(--surface);
}
.brand { font-weight: 700; font-size: 18px; text-decoration: none; color: var(--text); }
.tag { color: var(--muted); font-size: 13px; }

.page { max-width: 1100px; margin: 0 auto; padding: 24px 16px 80px; }
.page.narrow { max-width: 760px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.crumbs { font-size: 13px; color: var(--muted); margin: 0 0 10px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }
.loading { padding: 40px; text-align: center; }

.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; margin-bottom: 16px;
}
.card.subtle { background: transparent; }
.row { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.cols { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; align-items: start; }
@media (max-width: 820px) { .cols { grid-template-columns: 1fr; } }

.persona-card { text-decoration: none; color: inherit; display: block; transition: border-color .15s; }
.persona-card:hover { border-color: var(--accent); }
.stats { display: flex; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--muted); margin-top: 10px; }
.empty { text-align: center; padding: 40px 20px; }

button, .button {
  font: inherit; font-size: 14px; font-weight: 500; cursor: pointer;
  border: 1px solid var(--border); background: var(--surface); color: var(--text);
  padding: 8px 14px; border-radius: 8px; text-decoration: none; display: inline-block;
}
button:hover:not(:disabled), .button:hover { border-color: var(--accent); }
button:disabled { opacity: .5; cursor: not-allowed; }
.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
.danger { color: var(--danger); border-color: var(--danger); }
.ghost { background: transparent; border-color: transparent; color: var(--muted); }
button.small { padding: 4px 8px; font-size: 12px; }
.actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 14px; flex-wrap: wrap; }
.sticky-actions {
  position: sticky; bottom: 0; display: flex; gap: 12px; justify-content: flex-end; align-items: center;
  padding: 12px 0; background: linear-gradient(transparent, var(--bg) 30%);
}

input, textarea, select {
  font: inherit; color: var(--text); background: var(--bg);
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; width: 100%;
}
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
input[type=checkbox], input[type=radio] { width: auto; accent-color: var(--accent); }
label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 12px; }
label > input, label > textarea, label > select { margin-top: 4px; font-weight: 400; }
label.radio, label.check { font-weight: 400; font-size: 14px; display: flex; gap: 8px; align-items: flex-start; }
label.radio { display: inline-flex; margin-right: 14px; }
fieldset.consent { border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; margin: 6px 0; }
fieldset.consent legend { font-weight: 600; font-size: 13px; padding: 0 4px; }

.badge {
  display: inline-block; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px;
  background: var(--border); color: var(--muted); vertical-align: middle; letter-spacing: .02em;
}
.badge.sim { background: var(--sim-bg); color: var(--sim-text); }
.badge.edited { background: var(--accent-soft); color: var(--accent); }

.error { color: var(--danger); background: var(--danger-soft); padding: 8px 12px; border-radius: 8px; margin: 10px 0; font-size: 14px; }
.warn { background: var(--warn-bg); color: var(--warn-text); padding: 10px 12px; border-radius: 8px; margin: 10px 0; font-size: 14px; }
.warn.small { padding: 6px 10px; }
.ok { color: var(--grounded); font-size: 13px; }

.stat-row { display: flex; gap: 24px; flex-wrap: wrap; margin: 14px 0 6px; }
.stat-value { font-size: 22px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--muted); }
.source-list, .session-list { list-style: none; padding: 0; margin: 12px 0 0; }
.source-list li { display: grid; grid-template-columns: 1fr auto; gap: 0 10px; padding: 8px 0; border-top: 1px solid var(--border); }
.source-list li > button { grid-row: 1 / 3; grid-column: 2; align-self: center; }
.session-list li { padding: 6px 0; border-top: 1px solid var(--border); }
.clip { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.progress { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; margin-top: 12px; }
.progress-bar { height: 100%; width: 0; background: var(--accent); transition: width .3s; }

.modes { display: grid; gap: 8px; margin: 12px 0; }
.mode { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; margin: 0; padding: 10px; border: 1px solid var(--border); border-radius: 8px; cursor: pointer; }
.mode:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.mode span { display: flex; flex-direction: column; }
.fidelity { display: flex; align-items: center; gap: 20px; margin: 10px 0; }
.spark { width: 160px; height: 40px; color: var(--accent); }

/* Upload */
.dropzone {
  display: flex; flex-direction: column; gap: 4px; align-items: center; text-align: center;
  border: 2px dashed var(--border); border-radius: var(--radius); padding: 32px 16px; cursor: pointer;
  background: var(--surface); margin: 16px 0;
}
.dropzone.over { border-color: var(--accent); background: var(--accent-soft); }
.summary-line { margin: 8px 0; }
.file-meta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.file-meta label { margin: 0; }
.speakers { display: grid; gap: 6px; }
.speaker {
  display: grid; grid-template-columns: auto 1fr auto; gap: 2px 10px; align-items: center;
  border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; margin: 0; font-weight: 400; cursor: pointer;
}
.speaker:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); }
.speaker-name { font-weight: 600; }
.speaker-sample { grid-column: 2 / 4; font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upload-footer { margin-top: 10px; }

/* Profile */
.subfields label { margin-bottom: 10px; }
.position { border-top: 1px solid var(--border); padding: 12px 0; display: grid; gap: 8px; }
.position .row input { flex: 1; min-width: 160px; }
.position .row select { width: auto; }
.evidence { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.chip {
  font-size: 12px; padding: 1px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent);
  border: none; cursor: pointer; display: inline-block;
}
.chip.static { background: var(--border); color: var(--muted); cursor: default; }
.cites { display: inline-flex; gap: 4px; flex-wrap: wrap; }

/* Modal */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center; justify-content: center; padding: 16px; z-index: 10; }
.modal[hidden] { display: none; }
.modal-box { background: var(--surface); border-radius: var(--radius); max-width: 680px; width: 100%; max-height: 85vh; display: flex; flex-direction: column; }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--border); }
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-body { padding: 16px 18px; overflow: auto; }
.quote { margin: 0 0 14px; padding: 10px 14px; border-left: 3px solid var(--accent); background: var(--bg); border-radius: 0 8px 8px 0; }
.quote-meta { font-size: 12px; color: var(--muted); margin-bottom: 4px; }
.quote-text { white-space: pre-wrap; }

/* Chat */
.chat-page { max-width: 820px; }
.chat-head { display: flex; justify-content: space-between; gap: 12px; }
.scenario { background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 12px; margin: 6px 0 0; font-size: 14px; }
.sim-note { margin: 12px 0; }
.messages { display: flex; flex-direction: column; gap: 12px; margin: 16px 0; }
.msg { max-width: 85%; }
.msg.user { align-self: flex-end; }
.msg.user .msg-body { background: var(--accent); color: var(--accent-text); border-radius: 14px 14px 4px 14px; }
.msg.persona .msg-body { background: var(--surface); border: 1px solid var(--border); border-radius: 14px 14px 14px 4px; }
.msg-body { padding: 10px 14px; white-space: pre-wrap; }
.msg-head { display: flex; gap: 8px; align-items: center; font-size: 13px; margin-bottom: 4px; flex-wrap: wrap; }
.pill { font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; border: none; }
.pill.grounded { background: var(--grounded-bg); color: var(--grounded); }
.pill.inferred { background: var(--inferred-bg); color: var(--inferred); }
.typing .dots { animation: blink 1.2s infinite; }
@keyframes blink { 50% { opacity: .3; } }
.empty-chat { text-align: center; padding: 24px; }
.composer { position: sticky; bottom: 0; background: var(--bg); padding: 10px 0; }
.composer-actions { display: flex; justify-content: space-between; margin-top: 8px; }
.debrief ul, .debrief ol { padding-left: 20px; }
.debrief li { margin-bottom: 6px; }

/* Eval */
.eval-item .prompt { margin: 6px 0 10px; padding: 8px 12px; background: var(--bg); border-radius: 8px; font-size: 14px; color: var(--muted); white-space: pre-wrap; }
.reply { font-size: 15px; white-space: pre-wrap; margin: 6px 0; }
.reply.real { color: var(--muted); }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 640px) { .pair { grid-template-columns: 1fr; } }
.choice, .rating { margin-top: 8px; }
.score { display: flex; gap: 32px; flex-wrap: wrap; }