:root {
  --main: #00796b;
  --main-dark: #004d40;
  --bg: #f3f6f5;
  --card: #fff;
  --text: #1c2b29;
  --sub: #5d6f6c;
  --line: #d9e3e1;
  --ok: #2e7d32;
  --busy: #c62828;
  --warn: #8d6e00;
  --danger: #b71c1c;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-family: -apple-system, "Hiragino Sans", sans-serif; font-size: 16px; line-height: 1.5; }
.hidden { display: none !important; }

.appbar { position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between; padding: calc(env(safe-area-inset-top) + 10px) 16px 10px; background: var(--main); color: #fff; }
.appbar-title { font-size: 18px; font-weight: 700; }
.btn-icon { background: none; border: 0; color: #fff; font-size: 26px; line-height: 1; padding: 4px 10px; }

main { padding: 12px 14px calc(env(safe-area-inset-bottom) + 90px); max-width: 640px; margin: 0 auto; }

.search-form { display: flex; gap: 8px; }
.search-form input { flex: 1; min-width: 0; font-size: 16px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.chips { display: flex; gap: 8px; margin: 10px 0 4px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); background: #fff; color: var(--sub); border-radius: 999px; padding: 6px 14px; font-size: 14px; }
.chip.on { background: var(--main); color: #fff; border-color: var(--main); }
.check { display: block; margin: 8px 0; font-size: 14px; color: var(--sub); }
.check input { transform: scale(1.2); margin-right: 6px; }
.msg { color: var(--sub); font-size: 13px; margin: 8px 0; }
.msg a { color: var(--main-dark); }

.btn { display: inline-block; border: 1px solid var(--line); background: #fff; color: var(--text); border-radius: 10px; padding: 11px 16px; font-size: 15px; text-decoration: none; text-align: center; }
.btn-primary { background: var(--main); color: #fff; border-color: var(--main); }
.btn-primary:disabled { background: #9db9b5; border-color: #9db9b5; }
.btn-ghost { background: #fff; color: var(--main-dark); border-color: var(--main); }
.btn-danger { background: #fff; color: var(--danger); border-color: #e3b5b5; }
.btn-small { padding: 8px 12px; font-size: 14px; }
.btn-block { display: block; width: 100%; margin: 8px 0; }
.btn:disabled { opacity: 0.7; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; margin: 10px 0; }
.card-title { font-weight: 700; }
.card-sub { color: var(--sub); font-size: 13px; margin-top: 2px; }
.stock { margin-top: 8px; font-size: 14px; font-weight: 600; }
.stock.ok { color: var(--ok); }
.stock.busy { color: var(--busy); }
.stock.none { color: var(--warn); }
.stock.unknown { color: var(--sub); font-weight: 400; }
.card-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }

.list-tools { display: flex; justify-content: flex-end; }
.sec-head { font-size: 15px; color: var(--sub); margin: 22px 0 4px; }

.tabbar { position: fixed; left: 0; right: 0; bottom: 0; display: flex; background: #fff; border-top: 1px solid var(--line); padding-bottom: env(safe-area-inset-bottom); }
.tabbtn { flex: 1; border: 0; background: none; padding: 14px 0; font-size: 15px; color: var(--sub); }
.tabbtn.on { color: var(--main); font-weight: 700; box-shadow: inset 0 3px 0 var(--main); }
.count { display: inline-block; min-width: 20px; padding: 0 6px; border-radius: 999px; background: var(--main); color: #fff; font-size: 12px; line-height: 20px; }

.sheet { position: fixed; inset: 0; background: rgba(0, 0, 0, 0.4); display: flex; align-items: flex-end; z-index: 20; }
.sheet-box { background: #fff; width: 100%; padding: 16px 16px calc(env(safe-area-inset-bottom) + 16px); border-radius: 16px 16px 0 0; }

.toast { position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 80px); transform: translateX(-50%); background: rgba(0, 0, 0, 0.82); color: #fff; padding: 10px 18px; border-radius: 999px; font-size: 14px; z-index: 30; max-width: 90%; text-align: center; }