:root {
  --bg:      #0b0d13;
  --panel:   #0f1118;
  --border:  #1c2030;
  --border2: #252c3f;
  --text:    #e8ecfa;
  /* secondary text: must stay readable on the dark page */
  --muted:   #a6b0cc;
  --faint:   #48516e;   /* decoration only (dots, rules), never text */
  --accent:  #7faaff;
  --ok:      #5cd9a0;
  --err:     #ff6b6b;
  --warn:    #f0c060;
  --mono:    'JetBrains Mono', monospace;
  --serif:   'Fraunces', serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }
body { background: var(--bg); color: var(--text); font-family: var(--mono); font-size: 15px; display: flex; flex-direction: column; }

/* Every typing box is light text on the dark page, whether or not a page styles it. */
textarea, input, select {
  font-family: var(--mono); font-size: 0.95rem; color: var(--text);
  background: var(--bg); border: 1px solid var(--border2); border-radius: 3px;
}
textarea { padding: 0.6rem 0.7rem; line-height: 1.55; }
textarea:focus, input:focus, select:focus { outline: none; border-color: var(--accent); }
::placeholder { color: #8791ad; opacity: 1; }

/* ── Top bar ── */
.topbar {
  height: 46px; flex-shrink: 0;
  display: flex; align-items: center; gap: 0.75rem; padding: 0 1rem;
  border-bottom: 1px solid var(--border); background: var(--panel);
}
.logo { font-family: var(--serif); font-style: italic; font-size: 1.2rem; color: var(--accent); }
.logo sup { font-family: var(--mono); font-style: normal; font-size: 0.65rem; color: var(--muted); vertical-align: super; margin-left: 2px; }
.divider { width: 1px; height: 18px; background: var(--border2); flex-shrink: 0; }
.tabs { display: flex; gap: 0; margin-left: auto; }
.tab {
  font-family: var(--mono); font-size: 0.98rem; font-weight: 500; padding: 0 1rem; height: 46px;
  border: none; border-bottom: 2px solid transparent;
  background: transparent; color: #dfe5f7; cursor: pointer; transition: all 0.12s;
}
.tab:hover { color: #ffffff; background: rgba(127,170,255,0.08); }
.tab.active { color: #a8c4ff; border-bottom-color: #a8c4ff; font-weight: 600; }

/* ── Main layout ── */
.main { flex: 1; display: flex; overflow: hidden; }

/* ── Left: form ── */
.form-pane {
  width: 420px; flex-shrink: 0;
  display: flex; flex-direction: column;
  border-right: 1px solid var(--border); overflow-y: auto;
}
.form-pane::-webkit-scrollbar { width: 4px; }
.form-pane::-webkit-scrollbar-thumb { background: var(--border2); }

.section-head {
  padding: 0.6rem 1rem; font-size: 0.8rem; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--muted);
  border-bottom: 1px solid var(--border); background: var(--panel);
  flex-shrink: 0;
}

.form-body { padding: 1rem; display: flex; flex-direction: column; gap: 0.75rem; }

.field { display: flex; flex-direction: column; gap: 0.3rem; min-width: 0; }
.field select, .field input, .field textarea { width: 100%; min-width: 0; }
.field label { font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.field input, .field select, .field textarea {
  font-family: var(--mono); font-size: 0.95rem;
  background: var(--bg); border: 1px solid var(--border2); color: var(--text);
  padding: 0.4rem 0.6rem; border-radius: 3px;
  transition: border-color 0.12s;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
}
.field textarea { resize: vertical; min-height: 80px; line-height: 1.55; }
.field textarea.tall { min-height: 160px; }

.field-row { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.field-row .field { flex: 1 1 8rem; }

/* ── JSON editor area ── */
.json-label {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.8rem; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted);
}
.dot { width: 7px; height: 7px; border-radius: 50%; background: var(--faint); }
.dot.ok  { background: var(--ok); }
.dot.err { background: var(--err); }

/* ── Buttons ── */
.btn-row { display: flex; gap: 0.5rem; padding: 0.75rem 1rem; border-top: 1px solid var(--border); flex-shrink: 0; background: var(--panel); }
.btn {
  font-family: var(--mono); font-size: 0.9rem;
  padding: 0.4rem 0.9rem; border-radius: 3px;
  border: 1px solid var(--accent); color: var(--accent);
  background: transparent; cursor: pointer; transition: background 0.12s;
  flex: 1; white-space: nowrap;
}
.btn:hover { background: rgba(127,170,255,0.1); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn.ok   { border-color: var(--ok);   color: var(--ok); }
.btn.ok:hover   { background: rgba(92,217,160,0.1); }
.btn.muted { border-color: #3a4466; color: var(--muted); flex: 0; padding: 0.4rem 0.7rem; }
.btn.muted:hover { border-color: var(--muted); color: var(--text); }
.btn.warn { border-color: var(--warn); color: var(--warn); }
.btn.warn:hover { background: rgba(240,192,96,0.1); }

/* ── Right: list ── */
.list-pane { flex: 1; display: flex; flex-direction: column; overflow: hidden; }

.list-toolbar {
  height: 46px; flex-shrink: 0;
  display: flex; align-items: center; gap: 0.5rem; padding: 0 1rem;
  border-bottom: 1px solid var(--border); background: var(--panel);
}
.list-toolbar input, .list-toolbar select {
  font-family: var(--mono); font-size: 0.88rem;
  background: var(--bg); border: 1px solid var(--border2); color: var(--text);
  padding: 0.25rem 0.5rem; border-radius: 3px;
}
.list-toolbar input { width: 140px; }
.list-toolbar input:focus, .list-toolbar select:focus { outline: none; border-color: var(--accent); }
.list-count { margin-left: auto; font-size: 0.82rem; color: var(--muted); }

.list-body { flex: 1; overflow-y: auto; padding: 0.5rem; display: flex; flex-direction: column; gap: 0.35rem; }
.list-body::-webkit-scrollbar { width: 4px; }
.list-body::-webkit-scrollbar-thumb { background: var(--border2); }

.q-card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 4px; padding: 0.6rem 0.75rem;
  cursor: pointer; transition: border-color 0.12s;
}
.q-card:hover { border-color: var(--border2); }
.q-card.selected { border-color: var(--accent); }
.q-card-top { display: flex; align-items: flex-start; gap: 0.5rem; }
.q-card-id { font-size: 0.78rem; color: var(--muted); flex-shrink: 0; padding-top: 1px; }
.q-card-text { font-size: 0.98rem; color: var(--text); line-height: 1.4; flex: 1;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.q-card-meta { display: flex; gap: 0.4rem; margin-top: 0.35rem; flex-wrap: wrap; }
.badge {
  font-size: 0.75rem; padding: 0.12rem 0.45rem; border-radius: 3px;
  letter-spacing: 0.04em; text-transform: uppercase;
}
.badge-source  { background: rgba(127,170,255,0.16); color: #a8c4ff; }
.badge-format  { background: rgba(92,217,160,0.1);  color: var(--ok); }
.badge-diff    { background: rgba(240,192,96,0.1);   color: var(--warn); }
.badge-chapter { background: rgba(255,255,255,0.07); color: var(--muted); }

/* ── Status bar ── */
.statusbar {
  height: 32px; flex-shrink: 0;
  display: flex; align-items: center; padding: 0 1rem; gap: 1rem;
  border-top: 1px solid var(--border); background: var(--panel);
  font-size: 0.82rem; color: var(--muted);
}
.s-ok   { color: var(--ok); }
.s-err  { color: var(--err); }
.s-info { color: var(--accent); }
.right  { margin-left: auto; }

/* ── Toast ── */
.toast {
  position: fixed; bottom: 2rem; left: 50%; transform: translateX(-50%) translateY(8px);
  background: var(--panel); border: 1px solid var(--border2);
  color: var(--text); font-family: var(--mono); font-size: 0.95rem;
  padding: 0.5rem 1.1rem; border-radius: 4px;
  opacity: 0; pointer-events: none; transition: opacity 0.18s, transform 0.18s;
  z-index: 100;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.ok  { border-color: var(--ok);  color: var(--ok); }
.toast.err { border-color: var(--err); color: var(--err); }

/* ── Preview pane (tab) ── */
.preview-pane { flex: 1; display: flex; flex-direction: column; overflow: hidden; }
#preview-frame { flex: 1; border: none; background: #0d0f17; }

/* ── Empty state ── */
.empty { flex: 1; display: flex; align-items: center; justify-content: center; color: var(--muted); font-size: 0.98rem; }