:root {
  --bg: #0d1210; --bg-2: #131a18; --bg-3: #1a2320; --line: #26332e;
  --fg: #dfe6e2; --fg-dim: #8b9a93; --fg-faint: #5d6b65;
  --accent: #7fb69a; --accent-soft: #2b3f36; --user: #2a3540;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", serif;
  --sans: "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  display: flex; flex-direction: column; background: var(--bg); color: var(--fg);
  font-family: var(--sans); font-size: 15px; line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }

#topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 22px; border-bottom: 1px solid var(--line); background: var(--bg-2);
  flex-shrink: 0;
}
#topbar h1 {
  margin: 0; font-family: var(--serif); font-size: 17px;
  font-weight: 500; letter-spacing: .1em;
}
#topbar nav { display: flex; gap: 8px; }

.ghost {
  border: 1px solid var(--line); border-radius: 6px; background: none;
  color: var(--fg-dim); font-family: inherit; font-size: 12px;
  padding: 5px 11px; cursor: pointer;
}
.ghost:hover { border-color: var(--accent); color: var(--fg); }

#main { flex: 1; min-height: 0; display: flex; }
.pane { flex: 1; min-width: 0; display: flex; flex-direction: column; }

/* ---- 入口 ---- */
#gate { align-items: center; justify-content: center; padding: 30px; }
.gate-inner { max-width: 560px; width: 100%; text-align: center; }
.mark { font-size: 46px; color: var(--accent-soft); font-family: var(--serif); }
.lead { color: var(--fg-dim); font-family: var(--serif); font-size: 16px; line-height: 2; }
.ask { display: flex; gap: 10px; margin-top: 22px; }
.ask textarea {
  flex: 1; resize: none; padding: 12px 14px; border: 1px solid var(--line);
  border-radius: 10px; background: var(--bg-2); color: var(--fg);
  font-family: inherit; font-size: 15px; line-height: 1.7;
}
.ask textarea:focus, #input:focus { outline: none; border-color: var(--accent); }
.ask button, #btn-send {
  flex-shrink: 0; align-self: flex-end; border: 0; border-radius: 10px;
  background: var(--accent-soft); color: var(--fg); font-family: inherit;
  font-size: 14px; padding: 12px 20px; cursor: pointer;
}
.ask button:hover, #btn-send:hover:not(:disabled) { background: #35544a; }
#btn-send:disabled { opacity: .4; cursor: default; }
.note { margin-top: 14px; font-size: 12px; color: var(--fg-faint); min-height: 1.4em; }

/* ---- 札 ---- */
.card {
  border-bottom: 1px solid var(--line); background: var(--bg-2);
  padding: 18px 26px; flex-shrink: 0;
}
.card-head { display: flex; align-items: center; gap: 14px; }
.card-emoji { font-size: 34px; }
.card-name { font-family: var(--serif); font-size: 20px; letter-spacing: .06em; }
.card-sci { font-size: 11px; color: var(--fg-faint); font-style: italic; }
.card-en { font-size: 11px; color: var(--fg-dim); }
.card-rule {
  margin-top: 12px; padding-left: 14px; border-left: 2px solid var(--accent);
  font-family: var(--serif); font-size: 14px; color: #eef3f0;
}
.card-intro { margin-top: 10px; font-size: 12.5px; color: var(--fg-dim); }
.card-trigger { margin-top: 8px; font-size: 11px; color: var(--fg-faint); }

/* ---- ログ ---- */
.log { flex: 1; overflow-y: auto; padding: 26px 26px 10px; }
.turn { max-width: 680px; margin: 0 auto 24px; }
.turn .role {
  font-size: 11px; letter-spacing: .16em; color: var(--fg-faint); margin-bottom: 7px;
}
.turn .body { white-space: pre-wrap; word-break: break-word; }
.turn.user .body {
  background: var(--user); border-radius: 10px; padding: 11px 15px;
}
.turn.microbe .body {
  font-family: var(--serif); font-size: 16px; line-height: 2; color: #eef3f0;
  border-left: 2px solid var(--accent-soft); padding-left: 18px;
}
.turn.error .body {
  color: #e0a89a; font-size: 13px; border-left: 2px solid #5b3a33; padding-left: 18px;
}
.thinking {
  max-width: 680px; margin: 0 auto 24px; color: var(--fg-faint);
  font-size: 13px; font-family: var(--serif);
}
.thinking::after { content: "…"; animation: pulse 1.6s steps(4,end) infinite; }
@keyframes pulse { 0%{opacity:.25} 50%{opacity:1} 100%{opacity:.25} }

/* ---- 入力 ---- */
#composer {
  border-top: 1px solid var(--line); padding: 12px 26px 14px;
  background: var(--bg-2); flex-shrink: 0;
}
.input-row { display: flex; gap: 10px; max-width: 680px; margin: 0 auto; }
#input {
  flex: 1; resize: none; max-height: 180px; padding: 11px 14px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--bg);
  color: var(--fg); font-family: inherit; font-size: 15px; line-height: 1.7;
}
.foot-row {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 680px; margin: 8px auto 0;
}
.status { font-size: 11px; color: var(--fg-faint); }

/* ---- モーダル ---- */
.modal {
  position: fixed; inset: 0; background: rgba(0,0,0,.62);
  display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 20;
}
.modal-box {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: 14px;
  padding: 24px; width: 100%; max-width: 440px; max-height: 86vh; overflow-y: auto;
}
.modal-box.wide { max-width: 720px; }
.modal-box h2 {
  margin: 0 0 10px; font-family: var(--serif); font-size: 18px; font-weight: 500;
}
.modal-lead { font-size: 12px; color: var(--fg-dim); margin: 0 0 18px; }
.modal-box label {
  display: block; margin-bottom: 16px; font-size: 13px; color: var(--fg-dim);
}
.modal-box input {
  display: block; width: 100%; margin-top: 6px; padding: 9px 11px;
  border: 1px solid var(--line); border-radius: 8px; background: var(--bg);
  color: var(--fg); font-family: inherit; font-size: 14px;
}
.modal-box small { display: block; margin-top: 5px; font-size: 11px; color: var(--fg-faint); }
.map-search { display: flex; gap: 6px; margin-top: 6px; }
.map-search input { flex: 1; margin-top: 0; }
.map-wrap {
  margin-top: 8px; height: 220px; border: 1px solid var(--line);
  border-radius: 8px; overflow: hidden; background: #0f1419;
}
.map-wrap canvas { display: block; width: 100%; height: 100%; cursor: crosshair; touch-action: none; }
.map-zoom { display: flex; align-items: center; gap: 6px; margin-top: 6px; }
.map-zoom .ghost { padding: 2px 9px; }
.map-picked { font-size: 11px; color: var(--fg-dim); }
.req, .opt {
  margin-left: 8px; font-size: 10px; padding: 1px 6px; border-radius: 4px;
}
.req { background: var(--accent-soft); color: var(--fg); }
.opt { border: 1px solid var(--line); color: var(--fg-faint); }
.modal-btns { display: flex; gap: 8px; margin-top: 6px; }
.modal-btns button:first-child {
  border: 0; border-radius: 8px; background: var(--accent-soft); color: var(--fg);
  font-family: inherit; font-size: 13px; padding: 8px 16px; cursor: pointer;
}
.modal-state { margin: 12px 0 0; font-size: 11px; color: var(--fg-faint); min-height: 1.3em; }

.roster { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 10px; }
.r-item { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.r-top { display: flex; align-items: center; gap: 8px; }
.r-emoji { font-size: 18px; }
.r-name { font-family: var(--serif); font-size: 14px; }
.r-sci { font-size: 10px; color: var(--fg-faint); font-style: italic; }
.r-rule { margin-top: 6px; font-size: 11.5px; color: var(--fg-dim); }

@media (max-width: 720px) {
  .log, #composer, .card, #topbar { padding-left: 14px; padding-right: 14px; }
}