/* ココイコ! デモ版の見た目。色・文字は v3 モックアップ（2026-10-17）と同じ */
:root {
  --bg: #f1eeea;
  --app: #ffffff;
  --ink: #1d1a17;
  --muted: #7a726b;
  --line: #ebe6e0;
  --soft: #f7f4f0;
  --accent: #f0582f;
  --accent-ink: #ffffff;
  --accent-soft: #fde7df;
  --local: #1f7f6e;
  --local-soft: #dcf0eb;
  --staff: #3c63b5;
  --staff-soft: #e2e9f8;
  --danger: #c0392b;
  --font-display: "M PLUS Rounded 1c", "Hiragino Maru Gothic ProN", "Yu Gothic", sans-serif;
  --font-body: "Zen Kaku Gothic New", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12100e; --app: #1b1916; --ink: #f2ede7; --muted: #a59c93; --line: #2f2b27; --soft: #24211d;
    --accent-soft: #3a2219; --local-soft: #163029; --staff-soft: #1c2640;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12100e; --app: #1b1916; --ink: #f2ede7; --muted: #a59c93; --line: #2f2b27; --soft: #24211d;
  --accent-soft: #3a2219; --local-soft: #163029; --staff-soft: #1c2640;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
button, input, select, textarea { font: inherit; color: inherit; }

.app {
  max-width: 480px;
  min-height: 100dvh;
  margin: 0 auto;
  background: var(--app);
  display: flex;
  flex-direction: column;
}

/* 上のバー */
.top {
  position: sticky; top: 0; z-index: 5;
  display: flex; align-items: center; gap: 8px;
  padding: 12px 16px;
  background: var(--app);
  border-bottom: 1px solid var(--line);
}
.logo { font-family: var(--font-display); font-weight: 800; font-size: 20px; color: var(--accent); }
.top .town { color: var(--muted); font-size: 13px; }
.spacer { flex: 1; }

main { flex: 1; padding: 12px 16px 96px; }

/* 下のタブ */
.tabs {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px;
  display: grid; grid-template-columns: repeat(3, 1fr);
  background: var(--app); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
.tabs button {
  background: none; border: 0; padding: 10px 0 8px; font-size: 12px; color: var(--muted); cursor: pointer;
}
.tabs button[aria-current="page"] { color: var(--accent); font-weight: 700; }

/* 部品 */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 0; border-radius: 999px; padding: 10px 18px; cursor: pointer;
  background: var(--accent); color: var(--accent-ink); font-weight: 700;
}
.btn.ghost { background: var(--soft); color: var(--ink); }
.btn.small { padding: 6px 12px; font-size: 13px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .5; cursor: default; }

.chips { display: flex; gap: 6px; overflow-x: auto; padding: 4px 0 10px; }
.chip {
  flex: none; border: 1px solid var(--line); background: var(--app);
  border-radius: 999px; padding: 4px 12px; font-size: 13px; cursor: pointer;
}
.chip[aria-pressed="true"] { background: var(--ink); color: var(--app); border-color: var(--ink); }

.badge { display: inline-block; font-size: 11px; border-radius: 999px; padding: 1px 8px; font-weight: 700; }
.badge.local { background: var(--local-soft); color: var(--local); }
.badge.tourist { background: var(--accent-soft); color: var(--accent); }
.badge.staff { background: var(--staff-soft); color: var(--staff); }

.card { border: 1px solid var(--line); border-radius: 16px; overflow: hidden; margin-bottom: 14px; background: var(--app); }
.card img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block; background: var(--soft); }
.card .body { padding: 12px 14px; }
.card .meta { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.card h3 { margin: 6px 0 4px; font-family: var(--font-display); font-size: 17px; line-height: 1.4; }
.card .place { font-size: 13px; color: var(--muted); }
.card p { margin: 6px 0; }
.tip { background: var(--local-soft); color: var(--local); border-radius: 10px; padding: 8px 10px; font-size: 13px; }
.card .actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }

.fab {
  position: fixed; bottom: 72px; right: max(16px, calc(50% - 240px + 16px));
  width: 56px; height: 56px; border-radius: 50%; border: 0;
  background: var(--accent); color: var(--accent-ink); font-size: 28px; line-height: 1;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .2); cursor: pointer;
}

/* フォーム */
.form label { display: block; font-size: 13px; font-weight: 700; margin: 12px 0 4px; }
.form input, .form select, .form textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; background: var(--soft);
}
.form textarea { min-height: 96px; resize: vertical; }
.form .hint { font-size: 12px; color: var(--muted); }
.form .row { display: flex; gap: 8px; }
.form .preview { margin-top: 8px; width: 100%; border-radius: 10px; display: block; }

.roles { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 4px; }
.role {
  border: 2px solid var(--line); border-radius: 14px; padding: 12px; background: var(--app);
  text-align: left; cursor: pointer;
}
.role[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); }
.role b { display: block; font-family: var(--font-display); }
.role span { font-size: 12px; color: var(--muted); }

.hero { padding: 32px 0 8px; }
.hero h1 { font-family: var(--font-display); font-size: 32px; color: var(--accent); margin: 0; }
.hero p { color: var(--muted); margin: 6px 0 0; }

.notice { background: var(--soft); border-radius: 12px; padding: 12px 14px; font-size: 13px; color: var(--muted); }
.notice b { color: var(--ink); }

.toast {
  position: fixed; left: 50%; bottom: 84px; transform: translate(-50%, 20px);
  background: var(--ink); color: var(--app); padding: 8px 16px; border-radius: 999px; font-size: 13px;
  opacity: 0; pointer-events: none; transition: .2s; max-width: calc(100% - 32px);
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ===== 3者チャット ===== */
.room-item {
  display: block; width: 100%; text-align: left; cursor: pointer;
  border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; margin-bottom: 10px; background: var(--app);
}
.room-item b { font-family: var(--font-display); }
.room-item .sub { font-size: 13px; color: var(--muted); }
.status { font-size: 11px; border-radius: 999px; padding: 1px 8px; font-weight: 700; background: var(--soft); color: var(--muted); }
.status.proposed { background: var(--staff-soft); color: var(--staff); }
.status.agreed { background: var(--local-soft); color: var(--local); }

.members { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 0 10px; border-bottom: 1px solid var(--line); margin-bottom: 8px; }

.msgs { display: flex; flex-direction: column; gap: 10px; padding-bottom: 76px; }
.msg { max-width: 82%; }
.msg .who { font-size: 11px; color: var(--muted); margin: 0 4px 2px; display: flex; gap: 4px; align-items: center; }
.msg .bubble { border-radius: 16px; padding: 8px 12px; background: var(--soft); white-space: pre-wrap; word-break: break-word; }
.msg.tourist .bubble { background: var(--accent-soft); }
.msg.local .bubble { background: var(--local-soft); }
.msg.staff .bubble { background: var(--staff-soft); }
.msg.mine { align-self: flex-end; }
.msg.mine .who { justify-content: flex-end; }
.msg .time { font-size: 10px; color: var(--muted); margin: 2px 4px 0; }
.msg.mine .time { text-align: right; }

.plan-card { border: 2px solid var(--staff); border-radius: 16px; padding: 12px 14px; background: var(--app); }
.plan-card h4 { margin: 0 0 6px; font-family: var(--font-display); }
.plan-card ol { list-style: none; margin: 0; padding: 0; }
.plan-card li { display: flex; gap: 10px; padding: 6px 0; border-top: 1px dashed var(--line); font-size: 14px; }
.plan-card li:first-child { border-top: 0; }
.plan-card .t { flex: none; width: 46px; font-weight: 700; color: var(--staff); }
.plan-card .from-post { font-size: 11px; color: var(--local); }
.plan-card .agree { margin-top: 10px; }
.plan-card .agreed-note { margin-top: 10px; font-size: 13px; color: var(--local); font-weight: 700; }

.composer {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 480px; display: flex; gap: 8px; align-items: flex-end;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom)); background: var(--app); border-top: 1px solid var(--line);
}
.composer textarea {
  flex: 1; resize: none; min-height: 40px; max-height: 120px; border: 1px solid var(--line); border-radius: 20px;
  padding: 9px 14px; background: var(--soft);
}
.composer .btn { flex: none; }

.step-row { display: grid; grid-template-columns: 72px 1fr; gap: 6px; margin-bottom: 8px; }
.step-row select { grid-column: 1 / -1; }