:root {
  --bg: #f7f4ef; --card: #ffffff; --ink: #2b2a28; --sub: #8a867e; --line: #ece7de;
  --red: #b5382e; --red-bg: #fbeeea; --blue: #33608c; --blue-bg: #ecf1f7;
  --gold: #e9b64a; --ok: #3d8b5f; --warn: #c07f2d;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--ink);
  font: 16px/1.55 -apple-system, "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
}
#root { max-width: 640px; margin: 0 auto; min-height: 100vh; padding-bottom: 76px; }
a { color: var(--blue); text-decoration: none; }
h1, h2, h3 { font-weight: 600; }

/* 顶栏 */
.topbar {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 10px;
  padding: 12px 16px; background: rgba(247, 244, 239, .92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar .title { font-size: 18px; font-weight: 700; flex: 1; }
.iconbtn {
  border: none; background: none; font-size: 20px; padding: 6px 8px; cursor: pointer; color: var(--ink);
  border-radius: 10px;
}
.iconbtn:active { background: var(--line); }

/* 卡片与列表 */
.wrap { padding: 14px 14px 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin-bottom: 12px; }
.stat2 { display: flex; gap: 12px; }
.stat2 .half { flex: 1; text-align: center; padding: 12px 0; }
.stat2 .num { font-size: 24px; font-weight: 700; }
.stat2 .lbl { font-size: 13px; color: var(--sub); margin-top: 2px; }
.num.in { color: var(--red); } .num.out { color: var(--blue); }

.list { background: var(--card); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; margin-bottom: 12px; }
.row {
  display: flex; align-items: center; gap: 10px; padding: 12px 14px;
  border-bottom: 1px solid var(--line); cursor: pointer;
}
.row:last-child { border-bottom: none; }
.row:active { background: #faf7f1; }
.row .main { flex: 1; min-width: 0; }
.row .name { font-weight: 600; }
.row .sub { font-size: 12.5px; color: var(--sub); margin-top: 1px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .right { text-align: right; }
.row .amt { font-weight: 700; font-size: 16px; }
.amt.in { color: var(--red); } .amt.out { color: var(--blue); }

.badge {
  display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 20px;
  background: var(--red-bg); color: var(--red); margin-right: 6px; flex-shrink: 0;
}
.badge.b-white { background: #ececea; color: #6b6b66; }
.badge.b-blue { background: var(--blue-bg); color: var(--blue); }

.section-title { font-size: 13.5px; color: var(--sub); margin: 18px 4px 8px; }

/* 按钮 */
.btn {
  display: inline-block; border: none; border-radius: 12px; padding: 11px 18px;
  font-size: 15.5px; font-weight: 600; cursor: pointer; background: var(--card);
  border: 1px solid var(--line); color: var(--ink); text-align: center;
}
.btn.primary { background: var(--red); border-color: var(--red); color: #fff; }
.btn.blue { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.danger { color: var(--red); border-color: #e5c4c0; }
.btn.block { display: block; width: 100%; }
.btn:disabled { opacity: .45; cursor: default; }
.btnrow { display: flex; gap: 10px; margin: 12px 0; }
.btnrow .btn { flex: 1; }

/* 悬浮记账按钮 */
.fab {
  position: fixed; right: 18px; bottom: 86px; width: 56px; height: 56px; border-radius: 50%;
  background: var(--red); color: #fff; font-size: 30px; line-height: 52px; text-align: center;
  border: none; box-shadow: 0 6px 18px rgba(181, 56, 46, .35); cursor: pointer; z-index: 30;
}

/* 底部导航 */
.tabbar {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%); width: 100%; max-width: 640px;
  display: flex; background: rgba(255, 255, 255, .96); border-top: 1px solid var(--line);
  backdrop-filter: blur(8px); z-index: 25; padding-bottom: env(safe-area-inset-bottom);
}
.tabbar a {
  flex: 1; text-align: center; padding: 9px 0 10px; color: var(--sub); font-size: 12px;
}
.tabbar a .ic { display: block; font-size: 21px; margin-bottom: 1px; }
.tabbar a.on { color: var(--red); font-weight: 600; }

/* 表单 */
.field { margin-bottom: 13px; }
.field label { display: block; font-size: 13.5px; color: var(--sub); margin-bottom: 5px; }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 12px; font-size: 16px; border: 1px solid var(--line);
  border-radius: 11px; background: #fff; color: var(--ink); font-family: inherit;
}
.field input[type="checkbox"] { width: auto; padding: 0; accent-color: var(--red); }
.field textarea { min-height: 120px; resize: vertical; }
.field input:focus, .field select:focus, .field textarea:focus { outline: 2px solid #e4c9b8; border-color: transparent; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 7px 14px; border-radius: 20px; border: 1px solid var(--line); background: #fff;
  font-size: 14px; cursor: pointer; color: var(--ink);
}
.chip.on { background: var(--red); border-color: var(--red); color: #fff; }
.seg { display: flex; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; margin-bottom: 14px; }
.seg button {
  flex: 1; padding: 11px 0; border: none; background: #fff; font-size: 15.5px; font-weight: 600; cursor: pointer; color: var(--sub);
}
.seg button.on-in { background: var(--red); color: #fff; }
.seg button.on-out { background: var(--blue); color: #fff; }

/* 自动补全 */
.ac { position: relative; }
.ac-list {
  position: absolute; top: 100%; left: 0; right: 0; z-index: 40; background: #fff;
  border: 1px solid var(--line); border-radius: 12px; margin-top: 4px; overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .08); max-height: 240px; overflow-y: auto;
}
.ac-item { padding: 11px 13px; cursor: pointer; border-bottom: 1px solid var(--line); font-size: 15.5px; }
.ac-item:last-child { border-bottom: none; }
.ac-item:active, .ac-item:hover { background: #faf6ef; }
.ac-item .sub { font-size: 12.5px; color: var(--sub); }

/* 回礼参考框 */
.refbox { border-radius: 12px; padding: 11px 13px; margin-bottom: 13px; font-size: 14px; background: #fdf6e8; border: 1px solid #f0dfb6; color: #7a5b17; }
.refbox.empty { background: #f1f1ee; border-color: var(--line); color: var(--sub); }
.refbox .t { font-weight: 700; margin-bottom: 3px; }
.refbox .line { padding: 2px 0; }

/* 提示条 */
#toast {
  position: fixed; bottom: 100px; left: 50%; transform: translateX(-50%) translateY(16px);
  background: rgba(43, 42, 40, .92); color: #fff; padding: 10px 18px; border-radius: 24px;
  font-size: 14px; opacity: 0; transition: .25s; z-index: 400; pointer-events: none; max-width: 80%;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* 锁屏 */
.lock {
  position: fixed; inset: 0; z-index: 200; background: var(--bg);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
}
.lock .logo { width: 74px; height: 74px; border-radius: 18px; background: var(--red); color: #fff; font-size: 40px; display: flex; align-items: center; justify-content: center; font-family: serif; }
.lock input { width: 200px; text-align: center; letter-spacing: 6px; font-size: 22px; padding: 10px; border: 1px solid var(--line); border-radius: 12px; }
.lock input.error { border-color: var(--red); }
.lock input.error:focus { outline-color: var(--red); }
.lock .err { color: var(--red); font-size: 13px; min-height: 18px; }
@keyframes shake { 0%,100% { transform: translateX(0); } 20% { transform: translateX(-8px); } 40% { transform: translateX(8px); } 60% { transform: translateX(-5px); } 80% { transform: translateX(5px); } }
.shake { animation: shake .35s; }

/* 导入预览表 */
.preview { overflow-x: auto; }
.preview table { border-collapse: collapse; width: 100%; font-size: 13.5px; min-width: 640px; }
.preview th, .preview td { border: 1px solid var(--line); padding: 5px 6px; }
.preview th { background: #faf7f1; font-weight: 600; }
.preview td input, .preview td select { width: 100%; min-width: 72px; padding: 5px 6px; font-size: 13.5px; border: 1px solid var(--line); border-radius: 7px; }
.preview tr.bad { background: #fdf0ef; }
.preview .st { white-space: nowrap; font-size: 12px; }
.st.ok { color: var(--ok); } .st.err { color: var(--red); }

.hint { font-size: 13px; color: var(--sub); line-height: 1.6; }
.empty-tip { text-align: center; color: var(--sub); padding: 36px 0 28px; font-size: 14.5px; }
.big-amt { font-size: 26px; font-weight: 800; }
.net-pos { color: var(--red); } .net-neg { color: var(--blue); } .net-zero { color: var(--sub); }
.mono { font-family: ui-monospace, Consolas, monospace; letter-spacing: 1px; }

/* 应用内弹窗 */
#modalWrap { position: fixed; inset: 0; z-index: 300; }
.modal-mask { position: absolute; inset: 0; background: rgba(30, 28, 26, .5); }
.modal {
  position: absolute; left: 50%; top: 50%; transform: translate(-50%, -52%);
  width: min(88vw, 360px); background: #fff; border-radius: 18px; padding: 20px 18px 16px;
  box-shadow: 0 18px 50px rgba(0, 0, 0, .22); animation: modalIn .18s ease-out;
}
@keyframes modalIn { from { opacity: 0; transform: translate(-50%, -46%) scale(.96); } }
.modal-title { font-weight: 700; font-size: 16.5px; margin-bottom: 6px; }
.modal-msg { font-size: 14.5px; line-height: 1.65; }
.modal .field { margin: 10px 0 2px; }
.modal .field label { font-size: 12.5px; }
.modal .field input, .modal .field textarea { padding: 10px 11px; font-size: 15px; }
.modal-btns { display: flex; gap: 10px; margin-top: 16px; }
.modal-btns .btn { flex: 1; padding: 10px 0; }
.modal-err { color: var(--red); font-size: 12.5px; margin-top: 6px; min-height: 16px; }

/* 后台码展示 */
.code-show {
  background: #2b2a28; color: #ffe9b8; border-radius: 12px; padding: 14px; text-align: center;
  font-size: 20px; letter-spacing: 2px; margin: 8px 0; font-family: ui-monospace, Consolas, monospace;
}