:root {
      --paper: #f3ecdf;
      --card: #fffaf1;
      --ink: #1e1a14;
      --muted: #7a7164;
      --line: #e6dccb;
      --sage: #2f6a58;
      --sage-2: #e4f0ea;
      --clay: #c45c26;
      --clay-2: #f8e6da;
      --gold: #c9a227;
      --good: #2f6a58;
      --shadow: 0 12px 32px rgba(40, 28, 12, .08);
      --nav: #1b1712;
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html, body { min-height: 100%; }
    body {
      font-family: "PingFang SC", "Hiragino Sans GB", "Noto Sans SC", sans-serif;
      background:
        radial-gradient(1200px 500px at 50% -10%, #fff8ea, transparent 50%),
        linear-gradient(180deg, #ebe1d0 0%, #d8cbb6 100%);
      color: var(--ink);
    }
    button, input, textarea, select { font: inherit; }
    button { cursor: pointer; }
    .stage { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px; }
    .phone {
      width: min(430px, 100%);
      min-height: 820px;
      height: min(920px, calc(100vh - 48px));
      background: var(--paper);
      border-radius: 32px;
      box-shadow: var(--shadow), 0 0 0 1px rgba(80, 50, 20, .08);
      display: flex;
      flex-direction: column;
      overflow: hidden;
      position: relative;
    }
    header.appbar {
      padding: 18px 20px 12px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
    }
    .house-kicker { font-size: 12px; color: var(--muted); letter-spacing: .12em; }
    .house-name { font-size: 22px; font-weight: 700; letter-spacing: .02em; }
    .who {
      border: 1px solid var(--line);
      background: var(--card);
      border-radius: 999px;
      padding: 6px 8px 6px 6px;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .avatar {
      width: 28px; height: 28px; border-radius: 50%;
      display: grid; place-items: center; color: #fff; font-size: 12px; font-weight: 700;
    }
    .who select {
      border: 0; background: transparent; outline: none; color: var(--ink); max-width: 72px;
    }
    main {
      flex: 1;
      overflow: auto;
      padding: 0 16px 110px;
    }
    .hero {
      background: var(--nav);
      color: #f7f1e6;
      border-radius: 22px;
      padding: 18px 18px 16px;
      margin-bottom: 14px;
    }
    .hero b { font-size: 28px; display: block; margin: 4px 0 8px; }
    .hero p { color: #d9d0c2; font-size: 13px; line-height: 1.5; }
    .chips { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
    .chip {
      font-size: 12px; padding: 4px 8px; border-radius: 999px;
      background: rgba(255,255,255,.08); color: #f3eadb;
    }
    .section-title {
      display: flex; align-items: baseline; justify-content: space-between;
      margin: 18px 4px 10px;
    }
    .section-title h2 { font-size: 15px; }
    .section-title span { font-size: 12px; color: var(--muted); }
    .card {
      background: var(--card);
      border: 1px solid var(--line);
      border-radius: 18px;
      padding: 14px;
      margin-bottom: 10px;
    }
    .row { display: flex; gap: 12px; align-items: flex-start; }
    .grow { flex: 1; min-width: 0; }
    .title { font-weight: 650; font-size: 15px; }
    .meta { color: var(--muted); font-size: 12px; margin-top: 4px; line-height: 1.45; }
    .tag {
      font-size: 11px; border-radius: 999px; padding: 3px 8px; white-space: nowrap;
      background: var(--sage-2); color: var(--sage);
    }
    .tag.warn { background: var(--clay-2); color: var(--clay); }
    .tag.gold { background: #f4ead0; color: #8a7018; }
    .tag.mute { background: #eee8dc; color: var(--muted); }
    .money { font-weight: 700; font-variant-numeric: tabular-nums; }
    .btn {
      border: 0; border-radius: 12px; padding: 8px 12px; background: var(--sage); color: #fff;
      font-size: 13px; font-weight: 650;
    }
    .btn.ghost { background: #efe8da; color: var(--ink); }
    .btn.clay { background: var(--clay); }
    .btn.block { width: 100%; padding: 12px; border-radius: 14px; margin-top: 8px; }
    .btn[disabled] { opacity: .45; cursor: default; }
    .actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
    .empty { text-align: center; color: var(--muted); padding: 28px 10px; }
    .stats { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-bottom: 12px; }
    .stat { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 12px; }
    .stat em { display: block; font-style: normal; font-size: 12px; color: var(--muted); }
    .stat b { font-size: 18px; }
    nav {
      position: absolute; left: 12px; right: 12px; bottom: 12px;
      background: var(--nav); color: #cfc6b8;
      border-radius: 22px; display: grid; grid-template-columns: repeat(5, 1fr);
      padding: 8px 6px 10px;
    }
    nav button {
      background: none; border: 0; color: inherit; padding: 8px 0 4px; border-radius: 14px;
    }
    nav button.active { color: #fff; background: rgba(255,255,255,.08); }
    nav .ico { display: block; font-size: 16px; line-height: 1; }
    nav .lab { display: block; font-size: 10px; margin-top: 4px; }
    .sheet {
      position: absolute; inset: 0; background: rgba(20,16,10,.42);
      display: none; align-items: flex-end; z-index: 5;
    }
    .sheet.show { display: flex; }
    .sheet-card {
      width: 100%; background: #fffaf1; border-radius: 24px 24px 0 0;
      padding: 18px 18px 28px; max-height: 86%; overflow: auto;
    }
    .sheet-card h3 { font-size: 18px; margin-bottom: 12px; }
    label { display: block; font-size: 12px; color: var(--muted); margin: 10px 0 6px; }
    input, textarea, select.field {
      width: 100%; border: 1px solid var(--line); background: #fff; border-radius: 12px;
      padding: 10px 12px; outline: none;
    }
    textarea { min-height: 88px; resize: vertical; }
    .people { display: flex; flex-wrap: wrap; gap: 8px; }
    .pick {
      border: 1px solid var(--line); background: #fff; border-radius: 999px; padding: 6px 10px; font-size: 13px;
    }
    .pick.on { background: var(--sage-2); border-color: #b7d4c7; color: var(--sage); }
    .toast {
      position: absolute; left: 50%; bottom: 92px; transform: translateX(-50%);
      background: var(--nav); color: #fff; padding: 8px 14px; border-radius: 999px;
      font-size: 13px; display: none; z-index: 8; white-space: nowrap;
    }
    .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
    .usage { font-size: 12px; color: var(--muted); margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); }
    .agree { white-space: pre-wrap; font-size: 13px; line-height: 1.6; margin-top: 8px; color: #3b342a; }
    .done { opacity: .72; }
    @media (max-width: 480px) {
      .stage { padding: 0; }
      .phone { height: 100vh; min-height: 100vh; border-radius: 0; }
    }