:root {
  --washi: #f4ead4;
  --washi-2: #efe4ca;
  --ink: #11203a;
  --ink-soft: #3a4a66;
  --gold: #b8954b;
  --line: rgba(17, 32, 58, 0.16);
  --card: #faf6ea;
  --serif: Georgia, 'Times New Roman', serif;
  --sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --mono: 'SFMono-Regular', Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--washi);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* Login -------------------------------------------------------------------- */
.login-body { display: flex; min-height: 100vh; align-items: center; justify-content: center; }
.login {
  width: min(420px, 92vw);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 2.4rem 2rem;
  text-align: center;
}
.login h1 { font-family: var(--serif); font-weight: 600; font-size: 1.7rem; margin: 0 0 0.4rem; }
.login .sub { color: var(--ink-soft); margin: 0 0 1.6rem; }
.login input {
  width: 100%; padding: 0.8rem 0.9rem; font-size: 1rem;
  border: 1px solid var(--line); border-radius: 6px; background: #fff; margin-bottom: 0.9rem;
}
.login button {
  width: 100%; padding: 0.8rem; font-size: 0.95rem; letter-spacing: 0.04em;
  background: var(--ink); color: var(--washi); border: 0; border-radius: 6px; cursor: pointer;
}
.login .err { color: #9c2b1f; min-height: 1.2em; margin: 0.8rem 0 0; display: none; }
.login .err.show { display: block; }

/* Topbar ------------------------------------------------------------------- */
.topbar {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; gap: 1.2rem;
  padding: 0.7rem 1.2rem;
  background: rgba(244, 234, 212, 0.94);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
}
.topbar .brand { font-family: var(--serif); font-weight: 600; font-size: 1.1rem; }
.topbar .progress { color: var(--ink-soft); font-size: 0.9rem; }
.topbar-actions { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; }
.ghost {
  font: inherit; font-size: 0.85rem; color: var(--ink); text-decoration: none;
  background: transparent; border: 1px solid var(--line); border-radius: 5px;
  padding: 0.4rem 0.7rem; cursor: pointer;
}
.logout { margin: 0; }

/* Layout ------------------------------------------------------------------- */
.lead { max-width: 860px; margin: 1.1rem auto 0; padding: 0 clamp(1rem, 4vw, 2rem); color: var(--ink-soft); font-size: 0.9rem; }
.lead .dot { font-family: var(--mono); color: var(--ink); }
.nodes { max-width: 860px; margin: 0 auto; padding: 1.2rem clamp(1rem, 4vw, 2rem) 5rem; }

.primary {
  font: inherit; font-size: 0.85rem; font-weight: 600; color: var(--washi);
  background: var(--ink); border: 0; border-radius: 6px; padding: 0.45rem 0.85rem; cursor: pointer;
}
.primary:disabled { opacity: 0.5; cursor: default; }

/* Card head · drag handle + period chip */
.card-head { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.7rem; }
.drag {
  cursor: grab; font-size: 1.3rem; color: var(--ink-soft); line-height: 1;
  user-select: none; touch-action: none; border-radius: 6px; margin: -0.35rem 0;
  min-width: 40px; min-height: 40px; display: inline-flex; align-items: center; justify-content: center;
}
.drag:hover { background: var(--washi-2); }
.drag:active { cursor: grabbing; }

/* Save state + offline */
.savestate { font-size: 0.8rem; padding: 0.2rem 0.55rem; border-radius: 5px; white-space: nowrap; }
.savestate[data-state="ok"] { color: #3f7a4f; }
.savestate[data-state="saving"] { color: var(--gold); }
.savestate[data-state="error"] { color: #9c2b1f; background: rgba(156, 43, 31, 0.09); }
.offline-banner {
  position: sticky; top: 0; z-index: 20;
  background: #9c2b1f; color: #fff; text-align: center; padding: 0.5rem; font-size: 0.85rem;
}

/* Upload / preview states */
.chip .noprev {
  width: 48px; height: 48px; flex: 0 0 48px; display: flex; align-items: center; justify-content: center;
  text-align: center; font-size: 0.58rem; color: var(--ink-soft); background: var(--washi-2); border-radius: 4px; padding: 0.2rem;
}
.chip.uploading { opacity: 0.85; }
.chip.failed { border-color: #9c2b1f; cursor: pointer; }
.chip .prog { font-size: 0.72rem; color: var(--ink-soft); }
.chip.failed .prog { color: #9c2b1f; }
.chip { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-soft); background: var(--washi-2); border-radius: 4px; padding: 0.15rem 0.5rem; }
.chip-new { background: rgba(184, 149, 75, 0.28); color: var(--ink); }

/* Sortable feedback */
.card.sortable-ghost { opacity: 0.35; }
.card.sortable-chosen { box-shadow: 0 6px 22px rgba(17, 32, 58, 0.14); }

/* New-node card */
.card.is-new { border-left: 3px solid var(--gold); }
.new-fields { display: grid; gap: 0.7rem; margin-bottom: 0.4rem; }
.new-fields label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--ink-soft); }
.new-fields input {
  width: 100%; margin-top: 0.3rem; font: inherit; font-size: 0.95rem;
  padding: 0.5rem 0.6rem; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
}
.new-fields .f-title { font-family: var(--serif); font-size: 1.1rem; }

/* Period section ----------------------------------------------------------- */
.period { margin-bottom: 2.4rem; scroll-margin-top: 64px; }
.period-head { margin-bottom: 1rem; }
.period-head .era { font-family: var(--mono); font-size: 0.72rem; letter-spacing: 0.16em; color: var(--gold); text-transform: uppercase; }
.period-head h2 { font-family: var(--serif); font-weight: 600; font-size: 1.4rem; margin: 0.2rem 0 0; }

/* Card --------------------------------------------------------------------- */
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 9px;
  padding: 1.1rem; margin-bottom: 0.4rem;
}
.card-top { display: flex; gap: 1rem; }
.cur-img { width: 132px; height: 132px; object-fit: cover; border-radius: 6px; flex: 0 0 132px; background: var(--washi-2); }
.cur-img.none {
  display: flex; align-items: center; justify-content: center; text-align: center;
  font-size: 0.75rem; color: var(--ink-soft); border: 1px dashed var(--line);
}
.cur-text { min-width: 0; }
.cur-label { display: block; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--gold); margin-bottom: 0.2rem; }
.cur-text .kind { font-family: var(--mono); font-size: 0.68rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--gold); }
.cur-text h3 { font-family: var(--serif); font-weight: 600; font-size: 1.12rem; margin: 0.15rem 0 0.35rem; }
.cur-text p { margin: 0; color: var(--ink-soft); font-size: 0.88rem; }

.fields { display: grid; gap: 0.8rem; margin-top: 1rem; }
.fields label { display: block; font-size: 0.8rem; font-weight: 600; color: var(--ink-soft); }
.fields .hint { font-weight: 400; color: var(--ink-soft); opacity: 0.7; }
.fields select, .fields textarea, .fields input {
  width: 100%; margin-top: 0.3rem; font: inherit; font-size: 0.9rem;
  padding: 0.5rem 0.6rem; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
}
.fields textarea { resize: vertical; }
.fields .f-alttitle { font-family: var(--serif); font-size: 1.02rem; }

/* Media zones -------------------------------------------------------------- */
.media { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.7rem; margin-top: 1rem; }
@media (max-width: 720px) { .media { grid-template-columns: 1fr; } }
.zone { border: 1px solid var(--line); border-radius: 7px; padding: 0.6rem; background: rgba(255,255,255,0.4); }
.zone-label { font-size: 0.74rem; font-weight: 600; color: var(--ink-soft); margin-bottom: 0.45rem; }
.drop {
  border: 1.5px dashed var(--line); border-radius: 6px; padding: 0.8rem 0.5rem;
  text-align: center; font-size: 0.78rem; color: var(--ink-soft); transition: all 0.15s ease;
}
.drop.over { border-color: var(--gold); background: rgba(184, 149, 75, 0.08); color: var(--ink); }
.drop .pick { font: inherit; font-size: 0.78rem; color: var(--gold); background: none; border: 0; cursor: pointer; text-decoration: underline; padding: 0; }
.files { display: grid; gap: 0.5rem; margin-top: 0.5rem; }
.chip { display: flex; gap: 0.5rem; align-items: center; font-size: 0.74rem; background: #fff; border: 1px solid var(--line); border-radius: 6px; padding: 0.35rem; }
.chip img { width: 48px; height: 48px; object-fit: cover; border-radius: 4px; flex: 0 0 48px; }
.chip audio, .chip video { max-width: 150px; max-height: 60px; }
.chip-meta { min-width: 0; display: flex; flex-direction: column; gap: 0.2rem; }
.chip .fn { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 150px; }
.chip .rm { font: inherit; font-size: 0.72rem; color: #9c2b1f; background: none; border: 0; cursor: pointer; text-align: left; padding: 0; }

.card-foot { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: 0.6rem; }
.card-foot .reset {
  font: inherit; font-size: 0.74rem; color: #9c2b1f; background: none;
  border: 1px solid rgba(156, 43, 31, 0.35); border-radius: 5px;
  padding: 0.3rem 0.6rem; cursor: pointer;
}
.card-foot .reset:hover { background: rgba(156, 43, 31, 0.08); }
.saved { min-height: 1.1em; font-size: 0.76rem; color: var(--gold); }

/* Between-nodes inserter · a faint divider with a centered pill, revealed on hover. */
.inserter {
  display: flex; align-items: center; gap: 0.6rem;
  margin: 0.15rem 0; opacity: 0.35; transition: opacity 0.12s ease;
}
.inserter:hover { opacity: 1; }
.inserter::before, .inserter::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.insert-btn {
  font: inherit; font-size: 0.72rem; color: var(--ink-soft);
  background: var(--washi); border: 1px dashed var(--line); border-radius: 20px;
  padding: 0.2rem 0.75rem; cursor: pointer; white-space: nowrap;
}
.insert-btn:hover { border-color: var(--gold); color: var(--ink); background: rgba(184, 149, 75, 0.08); }

/* Admin -------------------------------------------------------------------- */
.admin-row { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 1rem; margin-bottom: 0.9rem; }
.admin-row.changed { border-left: 3px solid var(--gold); }
.admin-row h3 { font-family: var(--serif); margin: 0 0 0.3rem; font-size: 1.05rem; }
.admin-row .meta { font-family: var(--mono); font-size: 0.72rem; color: var(--ink-soft); margin-bottom: 0.5rem; }
.admin-row .badge { display: inline-block; font-family: var(--mono); font-size: 0.7rem; padding: 0.1rem 0.45rem; border-radius: 4px; background: var(--washi-2); margin-right: 0.4rem; }
.admin-row .badge.replace-copy, .admin-row .badge.replace-media, .admin-row .badge.replace-both { background: rgba(184,149,75,0.25); }
.admin-row dl { margin: 0.4rem 0; }
.admin-row dt { font-size: 0.74rem; font-weight: 600; color: var(--ink-soft); }
.admin-row dd { margin: 0 0 0.5rem; font-size: 0.9rem; }
.admin-media { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.admin-media a { font-size: 0.74rem; }
.admin-media img { width: 90px; height: 90px; object-fit: cover; border-radius: 5px; border: 1px solid var(--line); }
.filterbar { margin-bottom: 1.2rem; }