/* Campfire — warm dark theme: charcoal night, ember accents. Mobile-first. */

:root {
  --bg: #161210;
  --surface: #211a15;
  --surface-2: #2a211a;
  --line: #382d24;
  --text: #f3eae0;
  --dim: #a5907c;
  --ember: #ff7a3d;
  --ember-deep: #e05a1e;
  --amber: #f5b02e;
  --good: #7fc97f;
  --bad: #ff6b6b;
  --radius: 14px;
}

* { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100dvh;
}

/* ── Topbar ─────────────────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; gap: 14px;
  padding: 10px 16px;
  background: linear-gradient(180deg, #1d1511, var(--bg));
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 10;
}
.brand { color: var(--ember); text-decoration: none; font-weight: 700; font-size: 18px; }
.topbar .flex { flex: 1; }
.topbar a.nav { color: var(--dim); text-decoration: none; font-size: 14px; }
.topbar a.nav:hover { color: var(--text); }
#who { color: var(--dim); font-size: 14px; }

/* ── Layout ─────────────────────────────────────────────────────── */
.page { max-width: 640px; margin: 0 auto; padding: 16px 14px 80px; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
h1 { font-size: 30px; }
h2 { font-size: 22px; margin-bottom: 6px; }
h3 { font-size: 16px; margin-bottom: 10px; }
h4 { font-size: 14px; margin: 14px 0 6px; color: var(--dim); }
.sub { color: var(--dim); margin-bottom: 8px; }
.section-h { margin: 22px 0 10px; color: var(--amber); }
.crumbs { display: flex; justify-content: space-between; margin-bottom: 10px; font-size: 14px; }
.crumbs a { color: var(--dim); text-decoration: none; }
.crumbs a:hover { color: var(--text); }
.manage-link { color: var(--ember) !important; }
.members-line { color: var(--dim); font-size: 13px; margin-bottom: 12px; }
.dim { color: var(--dim); font-size: 0.92em; }
.flex { flex: 1; }
.row { display: flex; gap: 8px; align-items: center; margin-top: 10px; flex-wrap: wrap; }
.empty { text-align: center; padding: 28px 0; }
.bad-text { color: var(--bad); }

/* ── Cards ──────────────────────────────────────────────────────── */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
  margin-bottom: 12px;
}
.form-card label { display: block; }

/* ── Inputs & buttons ───────────────────────────────────────────── */
label { font-size: 13px; color: var(--dim); display: block; margin: 10px 0 4px; }
input, textarea, select {
  width: 100%;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}
input:focus, textarea:focus { outline: none; border-color: var(--ember-deep); }
input[type="number"] { width: 74px; }
input[type="date"] { width: auto; }
.row input.flex { width: auto; }

.btn {
  background: var(--surface-2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 9px 16px;
  font: inherit; font-size: 15px;
  cursor: pointer;
}
.btn:hover { border-color: var(--ember-deep); }
.btn.primary { background: var(--ember-deep); border-color: var(--ember-deep); color: #fff; font-weight: 600; }
.btn.primary:hover { background: var(--ember); }
.btn.danger { border-color: var(--bad); color: var(--bad); }
.btn.small { padding: 6px 12px; font-size: 14px; }
button.ghost {
  background: none; border: none; color: var(--dim);
  cursor: pointer; font: inherit; font-size: 14px; padding: 4px 6px;
}
button.ghost:hover { color: var(--text); }

.seg { display: flex; gap: 6px; margin-top: 4px; }
.seg button {
  flex: 1; padding: 8px; font: inherit; font-size: 14px;
  background: var(--surface-2); color: var(--dim);
  border: 1px solid var(--line); border-radius: 10px; cursor: pointer;
}
.seg button.on { color: var(--text); border-color: var(--ember); background: #33231a; }

/* ── Login ──────────────────────────────────────────────────────── */
.login { max-width: 380px; margin: 8dvh auto 0; padding: 0 18px; text-align: center; }
.login-brand { font-size: 56px; }
.login h1 { color: var(--ember); margin-bottom: 2px; }
.login .card { text-align: left; margin-top: 22px; }
.login .btn { width: 100%; margin-top: 14px; }
.hint { color: var(--dim); font-size: 13px; margin-top: 12px; }

/* ── Topic list ─────────────────────────────────────────────────── */
.topic-list { display: flex; flex-direction: column; gap: 10px; }
.topic-card {
  display: block; text-decoration: none; color: var(--text);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 14px;
}
.topic-card:hover { border-color: var(--ember-deep); }
.topic-card.closed { opacity: 0.6; }
.topic-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.topic-title { font-weight: 600; font-size: 17px; }
.topic-desc { color: var(--dim); font-size: 14px; margin-top: 3px; }
.topic-meta { color: var(--dim); font-size: 13px; margin-top: 8px; }
.badge {
  background: var(--ember-deep); color: #fff; border-radius: 99px;
  font-size: 12px; font-weight: 700; padding: 2px 8px; min-width: 22px; text-align: center;
}
.you-own { color: var(--amber); font-size: 12px; }

/* ── Study days ─────────────────────────────────────────────────── */
.day-list { display: flex; flex-direction: column; gap: 8px; }
.day-card {
  display: flex; justify-content: space-between; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--line); border-radius: 10px;
  padding: 11px 14px; text-decoration: none; color: var(--text); font-size: 15px;
}
.day-card:hover { border-color: var(--ember-deep); }
.day-card.locked { color: var(--dim); }
.assignment { border-left: 3px solid var(--amber); }
.assign-label { color: var(--amber); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: 6px; }

/* ── AI ─────────────────────────────────────────────────────────── */
.ai-bar { display: flex; gap: 8px; flex-wrap: wrap; margin: 12px 0; }
.ai-panel { border-color: #4a3421; background: #251b12; }
.ai-panel h3, .ai-panel h4, .ai-panel h5, .ai-panel h6 { margin: 12px 0 4px; color: var(--amber); }
.ai-panel p, .ai-panel li { font-size: 15px; }
.ai-panel ul, .ai-panel ol { padding-left: 22px; margin: 6px 0; }
.ai-head { color: var(--amber); font-weight: 700; margin-bottom: 8px; }
.digest { margin-top: 10px; }
.digest h3, .digest h4, .digest h5, .digest h6 { margin: 12px 0 4px; color: var(--amber); }
.digest ul, .digest ol { padding-left: 22px; margin: 6px 0; }
.closed-banner { border-color: var(--amber); }

/* ── Composer ───────────────────────────────────────────────────── */
.composer textarea { resize: vertical; }
.composer input { margin-top: 8px; }
.rec-time { color: var(--bad); font-variant-numeric: tabular-nums; }
.c-audio { margin-top: 10px; }
.c-audio audio { width: 100%; }
.transcript {
  color: var(--dim); font-size: 14px; font-style: italic;
  border-left: 2px solid var(--line); padding-left: 10px; margin-top: 6px;
}

/* ── Posts ──────────────────────────────────────────────────────── */
.post { padding: 12px 14px; }
.post-head { display: flex; align-items: baseline; gap: 8px; }
.post-head .del-post { margin-left: auto; }
.author { font-weight: 600; color: var(--amber); font-size: 14px; }
.post-body { margin-top: 6px; white-space: normal; overflow-wrap: break-word; }
.post audio { width: 100%; margin-top: 8px; }
.takeaway {
  margin-top: 9px; padding: 8px 11px;
  background: #2c2113; border: 1px solid #4a3421; border-radius: 10px;
  font-size: 14.5px;
}
.post-foot { display: flex; gap: 4px; align-items: center; margin-top: 10px; }
.react {
  background: none; border: 1px solid transparent; border-radius: 99px;
  font: inherit; font-size: 14px; padding: 3px 9px; cursor: pointer; color: var(--dim);
}
.react:hover { border-color: var(--line); }
.react.mine { border-color: var(--ember-deep); background: #33231a; color: var(--text); }
.toggle-comments { margin-left: auto; }
.comments { border-top: 1px solid var(--line); margin-top: 10px; padding-top: 4px; }
.comment { font-size: 14.5px; padding: 11px 0; }
.comment + .comment { border-top: 1px solid var(--line); }
.comment-head { display: flex; align-items: baseline; gap: 8px; }
.comment-body { margin-top: 3px; overflow-wrap: break-word; }
.comment-row { margin-top: 10px; }
.comment-row textarea { resize: vertical; }
.comment-row .row { margin-top: 6px; }

/* ── Manage ─────────────────────────────────────────────────────── */
.member-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 7px 0; border-bottom: 1px solid var(--line); font-size: 15px;
}
.member-row:last-child { border-bottom: none; }
.day-edit { border-top: 1px solid var(--line); padding: 10px 0; }
.day-edit textarea { margin-top: 8px; }
.day-edit .btn { margin-top: 8px; }
.plan-row { padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; }
.danger-zone { border-color: #52302a; }
.table { width: 100%; border-collapse: collapse; font-size: 14.5px; }
.table th { text-align: left; color: var(--dim); font-weight: 600; padding: 6px 8px 6px 0; }
.table td { padding: 6px 8px 6px 0; border-top: 1px solid var(--line); }
.table tr.quiet td { color: var(--dim); }
.table a { color: var(--ember); text-decoration: none; }

/* ── Topic icons & attachments ──────────────────────────────────── */
.t-icon {
  width: 26px; height: 26px; border-radius: 8px; object-fit: cover;
  vertical-align: -6px; margin-right: 2px;
}
.t-icon.big { width: 48px; height: 48px; border-radius: 12px; }
.t-emoji.big { font-size: 34px; }
.attachments { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 9px; align-items: flex-start; }
.att-img-wrap { position: relative; }
.att-img {
  max-width: min(100%, 260px); max-height: 220px;
  border-radius: 10px; border: 1px solid var(--line); display: block;
}
.att-img-wrap .att-del, .att-file-wrap .att-del { color: var(--dim); }
.att-img-wrap .att-del {
  position: absolute; top: 4px; right: 4px;
  background: rgba(22, 18, 16, 0.75); border-radius: 8px;
}
.att-file-wrap { display: inline-flex; align-items: center; gap: 2px; }
.att-file {
  display: inline-block; background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 10px; padding: 6px 11px; font-size: 14px;
  color: var(--text); text-decoration: none; max-width: 100%;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.att-file:hover { border-color: var(--ember-deep); }
.c-files { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.c-files .chip {
  display: inline-flex; align-items: center; gap: 4px;
  background: var(--surface-2); border: 1px solid var(--line);
  border-radius: 99px; padding: 4px 10px; font-size: 13.5px;
}
.cm-chip { font-size: 13px; padding: 2px 0 6px; }
.comment .attachments { margin: 6px 0 4px; }
.comment .att-img { max-height: 140px; }
.icon-row { margin-bottom: 4px; }

.toggle-row { display: flex; align-items: center; gap: 10px; font-size: 15px; color: var(--text); margin-top: 4px; }
.toggle-row input { width: 18px; height: 18px; accent-color: var(--ember-deep); }
#wa-out { white-space: pre-wrap; font-family: ui-monospace, monospace; font-size: 12.5px; }

/* ── Toast & spinner ────────────────────────────────────────────── */
.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  background: #2f2118; color: var(--text); border: 1px solid var(--ember-deep);
  border-radius: 12px; padding: 10px 18px; font-size: 14.5px; z-index: 100;
  max-width: 90vw; text-align: center;
}
.toast.bad { border-color: var(--bad); }
.spin-wrap { display: flex; align-items: center; gap: 10px; color: var(--dim); padding: 14px 0; font-size: 14.5px; }
.spinner {
  width: 18px; height: 18px; border-radius: 50%;
  border: 2px solid var(--line); border-top-color: var(--ember);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }