:root {
  --bg: #f6f5f1; --surface: #ffffff; --text: #1d2330; --muted: #5d6474;
  --border: #dedbd2; --accent: #1f3a5f; --accent-hover: #2b4f7e; --accent-soft: #e8eef6;
  --danger: #a33a2c; --ok: #2e6b3f; --warn: #8a6100;
  --radius: 10px; --serif: Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.55 var(--sans); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; }
button { font: inherit; cursor: pointer; }
input { font: inherit; }

.btn { background: var(--accent); color: #fff; border: 0; border-radius: 8px; padding: 10px 16px; font-weight: 600; }
.btn:hover { background: var(--accent-hover); }
.btn:disabled { opacity: .6; cursor: default; }
.btn-ghost { background: transparent; color: var(--accent); border: 1px solid var(--border); border-radius: 8px; padding: 7px 12px; }
.btn-ghost:hover { background: var(--accent-soft); }
.btn-danger { color: var(--danger); }
.error { color: var(--danger); min-height: 1.4em; font-size: 14px; }

/* ---------- Login page ---------- */
.auth-wrap { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth-card { width: 100%; max-width: 400px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 32px; box-shadow: 0 8px 30px rgba(20,30,50,.06); }
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 4px; }
.brand-mark { width: 34px; height: 34px; border-radius: 8px; background: var(--accent); color: #fff; display: grid; place-items: center; font-family: var(--serif); font-weight: 700; }
.auth-card h1 { font-size: 22px; margin: 0; }
.auth-card .sub { color: var(--muted); margin: 6px 0 22px; }
.tabs { display: flex; border-bottom: 1px solid var(--border); margin-bottom: 18px; }
.tabs button { flex: 1; background: none; border: 0; padding: 10px; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs button.active { color: var(--accent); border-color: var(--accent); font-weight: 600; }
label { display: block; font-size: 13px; font-weight: 600; margin: 12px 0 5px; }
.auth-card input { width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px; background: #fff; }
.auth-card input:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.auth-card .btn { width: 100%; margin-top: 18px; }
.hidden { display: none !important; }

/* ---------- Dashboard ---------- */
header.top { background: var(--surface); border-bottom: 1px solid var(--border); padding: 12px 24px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }
header.top .brand h1 { font-size: 18px; margin: 0; }
.user-box { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }
.model-name { font-size: 12.5px; background: var(--accent-soft); color: var(--accent); padding: 3px 9px; border-radius: 99px; }
@media (max-width: 800px) { .model-name { display: none; } }
.banner { background: #fff7e0; color: var(--warn); border-bottom: 1px solid #efdca5; padding: 8px 24px; font-size: 14px; }
main.layout { display: grid; grid-template-columns: 340px 1fr; gap: 20px; padding: 20px 24px; max-width: 1400px; margin: 0 auto; }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.panel h2 { font-size: 16px; margin: 0; padding: 14px 16px; border-bottom: 1px solid var(--border); }

.dropzone { margin: 16px; border: 2px dashed var(--border); border-radius: var(--radius); padding: 26px 14px; text-align: center; color: var(--muted); transition: .15s; cursor: pointer; }
.dropzone.drag, .dropzone:hover { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.dropzone strong { display: block; color: var(--text); margin-bottom: 4px; }
.upload-msg { margin: 0 16px 12px; font-size: 14px; }

.list { list-style: none; margin: 0; padding: 0; max-height: calc(100vh - 360px); overflow-y: auto; }
.list li { padding: 12px 16px; border-top: 1px solid var(--border); cursor: pointer; }
.list li:hover { background: #faf9f6; }
.list li.selected { background: var(--accent-soft); }
.list .name { font-weight: 600; word-break: break-word; }
.list .meta { font-size: 12.5px; color: var(--muted); display: flex; gap: 8px; align-items: center; margin-top: 2px; }
.empty { padding: 24px 16px; color: var(--muted); text-align: center; }

.badge { font-size: 11.5px; font-weight: 600; padding: 2px 8px; border-radius: 99px; }
.badge.done { background: #e3f1e6; color: var(--ok); }
.badge.processing, .badge.pending { background: #fff3d6; color: var(--warn); }
.badge.error { background: #f8e3e0; color: var(--danger); }

.viewer { min-height: 60vh; }
.viewer-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 14px 20px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.viewer-head h2 { border: 0; padding: 0; font-size: 18px; word-break: break-word; }
.viewer-actions { display: flex; gap: 8px; flex-wrap: wrap; }
.summary { padding: 8px 28px 28px; max-width: 860px; }
.summary h2 { font-size: 19px; margin: 26px 0 8px; padding: 0 0 6px; border-bottom: 1px solid var(--border); }
.summary ul { padding-left: 20px; }
.summary li { margin: 4px 0; }
.summary blockquote { margin: 12px 0; padding: 8px 14px; background: #fff7e0; border-left: 3px solid #e0b64a; }
.summary pre { background: #f3f2ee; padding: 12px; border-radius: 8px; white-space: pre-wrap; font-size: 13px; }
.placeholder { padding: 60px 24px; text-align: center; color: var(--muted); }
.spinner { width: 28px; height: 28px; border: 3px solid var(--accent-soft); border-top-color: var(--accent); border-radius: 50%; animation: spin 1s linear infinite; margin: 0 auto 14px; }
@keyframes spin { to { transform: rotate(360deg); } }
.disclaimer { font-size: 12.5px; color: var(--muted); padding: 0 28px 20px; }

@media (max-width: 800px) {
  main.layout { grid-template-columns: 1fr; padding: 16px; }
  header.top { padding: 12px 16px; }
  .list { max-height: none; }
  .summary { padding: 8px 16px 20px; }
}
@media print {
  header.top, .banner, .side, .viewer-actions { display: none !important; }
  main.layout { display: block; padding: 0; }
  .panel { border: 0; }
}

/* ---------- Focus box, templates, sections ---------- */
.focus-area { padding: 0 16px 16px; }
.focus-area label { margin-top: 4px; }
.optional { font-weight: 400; color: var(--muted); }
.focus-area textarea, .save-row input, .qa-form textarea {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px;
  font: inherit; resize: vertical; background: #fff; color: inherit;
}
.focus-area textarea:focus, .save-row input:focus, .qa-form textarea:focus,
select:focus { outline: 2px solid var(--accent-soft); border-color: var(--accent); }
.focus-row, .save-row { display: flex; gap: 6px; margin-top: 8px; }
.focus-row select { flex: 1; min-width: 0; padding: 7px 8px; border: 1px solid var(--border); border-radius: 8px; background: #fff; font: inherit; }
.save-row input { flex: 1; }
details#sections-details { margin-top: 10px; font-size: 14px; }
details#sections-details summary { cursor: pointer; color: var(--accent); }
.checkboxes { display: grid; gap: 4px; margin-top: 8px; }
.checkboxes label { display: flex; align-items: center; gap: 7px; margin: 0; font-weight: 400; font-size: 14px; }
.checkboxes input { accent-color: var(--accent); }
#upload-btn { width: 100%; margin-top: 12px; }

/* ---------- Focus shown on a summary ---------- */
.focus-note { margin: 0; padding: 12px 28px; background: var(--accent-soft); font-size: 14px; }
.focus-note strong { font-weight: 600; }
.edit-panel { padding: 16px 28px; border-bottom: 1px solid var(--border); background: #faf9f6; }
.edit-panel textarea { width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 8px; font: inherit; }
.edit-panel .checkboxes { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); margin: 10px 0; }

/* ---------- Follow-up questions ---------- */
.qa { border-top: 1px solid var(--border); padding: 20px 28px 28px; max-width: 860px; }
.qa h3 { font-size: 16px; margin: 0 0 4px; }
.qa .hint { color: var(--muted); font-size: 13.5px; margin: 0 0 10px; }
.qa-form { display: flex; gap: 8px; align-items: flex-start; }
.qa-form textarea { flex: 1; }
.qa-item { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; margin-top: 14px; background: #fff; }
.qa-question { font-weight: 600; display: flex; justify-content: space-between; gap: 10px; align-items: flex-start; }
.qa-question button { background: none; border: 0; color: var(--muted); font-size: 18px; line-height: 1; padding: 0 2px; }
.qa-question button:hover { color: var(--danger); }
.qa-answer { margin-top: 8px; }
.qa-answer > :first-child { margin-top: 0; }
.qa-waiting { color: var(--muted); font-size: 14px; margin-top: 8px; }
@media (max-width: 800px) { .qa, .focus-note, .edit-panel { padding-left: 16px; padding-right: 16px; } }
@media print { .qa-form, .edit-panel { display: none !important; } }