/* ── Professor session setup ── */
.form-h1 {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 30px;
  font-weight: 600;
  color: var(--ink);
  margin: 8px 0 10px;
  line-height: 1.12;
}
.form-lead { font-size: 15px; line-height: 1.6; color: var(--gray); margin: 0; max-width: 60ch; }

.field-block { margin-bottom: 22px; }
.field-block:last-child { margin-bottom: 0; }
.field-label { display: block; font-size: 14px; font-weight: 500; color: var(--ink); margin-bottom: 8px; }
.field-help { font-size: 12.5px; color: var(--gray); margin: 8px 0 0; line-height: 1.5; }
.optional { color: var(--stone); font-weight: 400; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }

.fld { width: 100%; }
select.fld { border: 1px solid var(--hair); border-radius: 8px; padding: 11px 12px; background: #fff; }
input.fld[type="text"], input.fld:not([type]), input.fld[type="date"] {
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 11px 12px;
}
input.fld:focus, select.fld:focus, textarea.fld:focus { border-color: var(--cardinal); border-bottom-width: 1px; }
textarea.fld { min-height: 84px; }

/* Dropzone */
.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  text-align: center;
  padding: 34px 20px;
  border: 2px dashed var(--stone);
  border-radius: 12px;
  background: #faf8f5;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.dropzone:hover { border-color: var(--cardinal); background: #f7f1ee; }
.dropzone.dragover { border-color: var(--cardinal); background: rgba(140,21,21,.06); }
.dz-icon {
  width: 44px; height: 44px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 50%;
  background: var(--cardinal);
  color: #fff; font-size: 18px;
  transform: translateY(-1px);
}
.dz-main { font-size: 15px; color: var(--ink); }
.dz-link { color: var(--cardinal); font-weight: 600; text-decoration: underline; text-underline-offset: 3px; }
.dz-sub { font-size: 12px; color: var(--stone); }

.file-meta {
  display: flex; align-items: center; gap: 12px;
  margin-top: 14px;
  border: 1px solid var(--hair);
  border-left: 4px solid var(--cardinal);
  border-radius: 8px;
  padding: 12px 14px;
  background: #fff;
}
.file-icon { color: var(--cardinal); font-size: 18px; }
.file-name { flex: 1; font-size: 14px; font-weight: 500; color: var(--ink); word-break: break-all; }
.file-size { font-size: 12px; color: var(--stone); white-space: nowrap; }

/* Pillars preview */
.pillars-preview { background: #faf8f5; }
.pillars { margin: 14px 0 0; padding-left: 20px; display: flex; flex-direction: column; gap: 10px; }
.pillars li { font-size: 14px; color: var(--ink); line-height: 1.5; }
.pillars li::marker { color: var(--cardinal); font-weight: 700; }
.pillars b { color: var(--cardinal); }

/* Share card */
.share-card { padding-top: 30px; }
.share-title {
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 24px; font-weight: 600; color: var(--ink);
  margin: 8px 0 6px;
}
.share-lead { font-size: 14px; color: var(--gray); margin: 0 0 18px; }
.share-link-row { display: flex; gap: 10px; margin-bottom: 16px; }
.share-input {
  flex: 1;
  border: 1px solid var(--hair);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  color: var(--cardinal);
  background: #faf8f5;
  outline: none;
  font-family: "Roboto", monospace;
}
.share-input:focus { border-color: var(--cardinal); }
.share-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.qr-wrap { margin-top: 20px; text-align: center; }
.qr-wrap img { width: 180px; height: 180px; border: 1px solid var(--hair); border-radius: 10px; background: #fff; padding: 8px; }

@media (max-width: 560px) {
  .field-grid { grid-template-columns: 1fr; }
  .form-h1 { font-size: 24px; }
}

/* ── 10-week structure + persona ── */
.week-grid { grid-template-columns: 0.8fr 1.6fr 1fr; }
.custom-persona { border: 1px solid var(--hair); border-radius: 8px; padding: 11px 12px; }

.course-outline { border: 1px solid var(--hair); border-radius: 10px; background: #faf8f5; padding: 4px 14px; }
.course-outline > summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  color: var(--cardinal);
  padding: 10px 2px;
  list-style: none;
}
.course-outline > summary::-webkit-details-marker { display: none; }
.course-outline > summary::before { content: "▸ "; color: var(--cardinal); }
.course-outline[open] > summary::before { content: "▾ "; }
.week-list { list-style: none; margin: 6px 0 12px; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.week-row {
  display: flex; align-items: center; gap: 12px;
  padding: 9px 10px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid var(--hair);
}
.week-row.done { border-color: var(--cardinal); border-left: 4px solid var(--cardinal); }
.week-tag {
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--cardinal); background: rgba(140,21,21,.08);
  border-radius: 999px; padding: 4px 10px; white-space: nowrap; flex: none;
  min-width: 64px; text-align: center;
}
.week-topic { flex: 1; font-size: 13.5px; color: var(--ink); }
.week-topic .muted { color: var(--stone); }
.week-check { font-size: 11px; font-weight: 700; color: #fff; background: var(--cardinal); border-radius: 6px; padding: 3px 8px; flex: none; }

/* ── Responsive hardening (setup) ── */
@media (max-width: 760px) {
  .week-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .field-grid { grid-template-columns: 1fr; }
  .share-link-row { flex-direction: column; }
  .share-actions .ghost-btn { flex: 1; text-align: center; }
  .dropzone { padding: 26px 14px; }
}