:root {
  --bg: #f5f7fa; --card: #fff; --line: #e2e8f0; --ink: #1a202c; --sub: #718096;
  --accent: #2f855a; --accent-d: #22543d; --accent-l: #f0fff4; --ok: #2f855a; --warn: #c05621; --danger: #c53030;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background: var(--bg); color: var(--ink); -webkit-text-size-adjust: 100%;
}
.env-badge {
  position: sticky; top: 0; z-index: 100; background: var(--warn); color: #fff;
  text-align: center; font-weight: 700; padding: 6px; font-size: 13px;
}
header {
  display: flex; align-items: center; justify-content: space-between;
  padding: calc(12px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) 12px calc(16px + env(safe-area-inset-left));
  background: var(--accent); color: #fff;
}
header h1 { font-size: 18px; margin: 0; }
header button { background: rgba(255,255,255,.2); color: #fff; border: 0; padding: 6px 12px; border-radius: 6px; cursor: pointer; }
.head-right { display: flex; align-items: center; gap: 10px; }
.whoami { color: #fff; font-size: 12px; opacity: .9; max-width: 40vw; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
main { max-width: 760px; margin: 0 auto; padding: 16px; padding-bottom: calc(24px + env(safe-area-inset-bottom)); }
.tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.tabs button {
  flex: 1; padding: 11px 4px; border: 1px solid var(--line); background: var(--card);
  border-radius: 8px; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--sub);
}
.tabs button.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
.card h2 { font-size: 16px; margin: 0 0 12px; }
.btn { background: var(--accent); color: #fff; border: 0; padding: 11px 16px; border-radius: 8px; cursor: pointer; font-size: 15px; font-weight: 600; }
.btn:disabled { opacity: .5; cursor: default; }
.btn.sec { background: #edf2f7; color: var(--ink); }
.btn.danger { background: var(--danger); }
.btn.sm { padding: 5px 10px; font-size: 13px; }
input[type=text], input[type=password], input[type=search], input[type=email] { width: 100%; padding: 11px; border: 1px solid var(--line); border-radius: 8px; font-size: 15px; }
select, input[type=number], input[type=date], input[type=month] {
  padding: 10px; border: 1px solid var(--line); border-radius: 8px; font-size: 16px; background: #fff; font-family: inherit;
}
.muted { color: var(--sub); font-size: 13px; }
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-bottom: 12px; }
.toolbar .sp { flex: 1; }
.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: #1a202c; color: #fff; padding: 10px 18px; border-radius: 8px; opacity: 0; transition: opacity .2s; z-index: 200; }
.toast.show { opacity: .95; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 16px; }
.login-wrap .card { width: 100%; max-width: 360px; }
.login-wrap a { color: var(--accent); }
label { display: block; font-size: 13px; color: var(--sub); font-weight: 700; margin: 10px 0 4px; }
.err { color: var(--danger); font-size: 13px; min-height: 18px; margin-top: 6px; }
.ok-msg { color: var(--ok); font-size: 13px; background: #f0fff4; border: 1px solid #c6f6d5; border-radius: 8px; padding: 8px 10px; margin-top: 8px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* ===== 入力: 属性→費目の2段ドロップダウン ===== */
.attr-title { font-size: 13px; color: var(--sub); font-weight: 700; margin: 12px 0 6px; }
.wfull { width: 100%; }
.sel-row { display: flex; gap: 10px; }
.sel-col { flex: 1; min-width: 0; }
.sel-row select { height: 48px; }
.amount-row { display: flex; gap: 8px; align-items: center; }
.amount-row input { flex: 1; font-size: 24px; font-weight: 700; text-align: right; min-width: 0; height: 52px; }
.yen { font-size: 18px; font-weight: 700; color: var(--sub); }
.btn.big { font-size: 17px; padding: 14px; margin-top: 14px; }
.tabs .ico { margin-right: 4px; }

/* ===== 一覧 ===== */
.exp-date-head { font-size: 13px; font-weight: 700; color: var(--sub); margin: 14px 0 4px; border-bottom: 1px solid var(--line); padding-bottom: 3px; }
.exp-row { display: flex; align-items: center; gap: 8px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.exp-row:last-child { border-bottom: 0; }
.exp-row .cat { font-weight: 700; }
.exp-row .attr { font-size: 11px; color: var(--accent-d); background: var(--accent-l); border-radius: 4px; padding: 1px 6px; }
.exp-row .attr.pay { color: var(--danger); background: #fff5f5; }
.exp-row .amt.pay { color: var(--danger); }
.exp-row .attr.util { color: #2b6cb0; background: #ebf4ff; }
.exp-row .amt.util { color: #2b6cb0; }
.exp-row .memo { font-size: 12px; color: var(--sub); }
.exp-row .grow { flex: 1; min-width: 0; }
.exp-row .amt { font-weight: 700; white-space: nowrap; }

/* ===== 集計 ===== */
.total-big { font-size: 30px; font-weight: 800; text-align: center; margin: 6px 0 2px; }
.total-big small { font-size: 14px; color: var(--sub); font-weight: 600; }
table.sum { width: 100%; border-collapse: collapse; font-size: 14px; }
table.sum th, table.sum td { padding: 8px 6px; border-bottom: 1px solid var(--line); text-align: left; }
table.sum td.num, table.sum th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.sum tr.attr-head td { background: var(--accent-l); font-weight: 700; color: var(--accent-d); }
table.sum tr.zero td { color: var(--sub); }
table.sum tfoot td { font-weight: 800; border-top: 2px solid var(--ink); }

/* ===== 設定 ===== */
.mng-row { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.mng-row:last-child { border-bottom: 0; }
.mng-row .name { font-weight: 600; flex: 1; min-width: 90px; }
.mng-row select { font-size: 13px; padding: 6px; }

/* ===== モバイル (スマホ幅): タブをアプリ風の下部固定バーに ===== */
@media (max-width: 640px) {
  main { padding: 12px; padding-bottom: calc(86px + env(safe-area-inset-bottom)); }
  .tabs {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 120; margin: 0;
    background: var(--card); border-top: 1px solid var(--line); gap: 0;
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
    box-shadow: 0 -2px 10px rgba(0,0,0,.06);
  }
  .tabs button {
    display: flex; flex-direction: column; align-items: center; gap: 2px;
    border: 0; border-radius: 10px; background: none; padding: 7px 2px; font-size: 11px;
  }
  .tabs button.active { background: var(--accent-l); color: var(--accent-d); }
  .tabs .ico { margin: 0; font-size: 20px; }
  header h1 { font-size: 16px; }
  .toast { bottom: calc(92px + env(safe-area-inset-bottom)); }
}

/* ===== 編集モーダル ===== */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.45); z-index: 150; display: flex; align-items: center; justify-content: center; padding: 16px; }
.modal-bg[hidden] { display: none; }
.modal { background: #fff; border-radius: 12px; padding: 18px; width: 100%; max-width: 400px; }
.modal h3 { margin: 0 0 10px; font-size: 16px; }
.modal .actions { display: flex; gap: 8px; justify-content: flex-end; margin-top: 16px; }