:root {
  --bg: #f6f6f3;
  --card: #ffffff;
  --text: #23231f;
  --muted: #8b8b83;
  --line: #e8e7e1;
  --accent: #2f6f52;
  --accent-soft: #e7f0ea;
  --danger: #b4402f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #191918;
    --card: #242422;
    --text: #ededea;
    --muted: #8f8f87;
    --line: #34342f;
    --accent: #5aa87e;
    --accent-soft: #23342b;
    --danger: #d97261;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
  padding: 0 16px calc(48px + env(safe-area-inset-bottom));
  min-height: 100vh;
}

button { font-family: inherit; font-size: 14px; cursor: pointer; }

.wrap { max-width: 640px; margin: 0 auto; padding-top: 34px; }

.head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 22px;
}

h1 { font-size: 20px; font-weight: 600; margin: 0; letter-spacing: 0.2px; }

.sub { margin: 4px 0 0; color: var(--muted); font-size: 13px; }

.ghost {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 9px;
  padding: 6px 12px;
  flex: 0 0 auto;
}

.ghost:hover { color: var(--text); border-color: var(--muted); }

.head-actions { display: flex; align-items: center; gap: 8px; flex: 0 0 auto; }

.who { font-size: 13px; color: var(--muted); white-space: nowrap; text-decoration: none; }
.who:hover { color: var(--text); text-decoration: underline; }

a.ghost { display: inline-block; text-decoration: none; }

.login-card input + input { margin-top: 10px; }

.form-col { display: flex; flex-direction: column; gap: 8px; margin-bottom: 22px; }

.form-col input {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font: inherit;
  outline: none;
}

.form-col input::placeholder { color: var(--muted); }
.form-col input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.form-col select {
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font: inherit;
  outline: none;
  appearance: none;
  -webkit-appearance: none;
}

.form-col button {
  margin-top: 4px;
  padding: 12px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  font-weight: 500;
}

@media (prefers-color-scheme: dark) {
  .form-col button { color: #10221a; }
}

.form-col button:disabled { opacity: 0.5; cursor: default; }

.tag {
  display: inline-block;
  font-size: 12px;
  color: var(--muted);
  background: var(--accent-soft);
  border-radius: 5px;
  padding: 1px 6px;
  margin-left: 6px;
}

.ops { display: flex; gap: 6px; flex: 0 0 auto; }

.ops button {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 7px;
  padding: 5px 9px;
  font-size: 12px;
}

.ops button:hover { color: var(--text); border-color: var(--muted); }
.ops button.danger:hover { color: var(--danger); border-color: var(--danger); }

.add { display: flex; gap: 8px; margin-bottom: 14px; }

.add input {
  flex: 1;
  min-width: 0;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  color: var(--text);
  font: inherit;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.add input::placeholder { color: var(--muted); }

.add input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.add button {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  border-radius: 10px;
  padding: 12px 20px;
  font-weight: 500;
  flex: 0 0 auto;
}

.add button:hover { opacity: 0.9; }
.add button:disabled { opacity: 0.5; cursor: default; }

.vis-toggle {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 10px;
  padding: 0 12px;
  font-size: 13px;
  flex: 0 0 auto;
  white-space: nowrap;
}

.vis-toggle[data-vis="private"] {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}

.lock-tag {
  display: inline-block;
  font-size: 11px;
  color: var(--accent);
  background: var(--accent-soft);
  border-radius: 4px;
  padding: 1px 5px;
  margin-left: 4px;
}

@media (prefers-color-scheme: dark) {
  .add button { color: #10221a; }
}

.filters { display: flex; gap: 8px; margin-bottom: 16px; }

.chip {
  border: 1px solid var(--line);
  background: transparent;
  color: var(--muted);
  border-radius: 999px;
  padding: 6px 15px;
  font-size: 13px;
}

.chip.active {
  background: var(--accent-soft);
  border-color: var(--accent-soft);
  color: var(--accent);
  font-weight: 500;
}

.list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }

.item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 13px 12px 13px 14px;
}

.item input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 1.5px solid #c7c6be;
  border-radius: 6px;
  flex: 0 0 auto;
  cursor: pointer;
  position: relative;
  transition: background 0.15s, border-color 0.15s;
}

@media (prefers-color-scheme: dark) {
  .item input[type="checkbox"] { border-color: #4a4a44; }
}

.item input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}

.item input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: 2px solid #ffffff;
  border-top: 0;
  border-left: 0;
  transform: rotate(45deg);
}

.item .body { flex: 1; min-width: 0; }

.item .text { word-break: break-word; }

.item.done .text { color: var(--muted); text-decoration: line-through; }

.item .meta {
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.item .del {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  padding: 4px 7px;
  border-radius: 7px;
  flex: 0 0 auto;
}

.item .del:hover { color: var(--danger); background: rgba(180, 64, 47, 0.08); }

.empty { text-align: center; color: var(--muted); font-size: 14px; padding: 44px 0; }

.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }

.login-card {
  width: 100%;
  max-width: 350px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 34px 28px 28px;
}

.login-card h1 { font-size: 18px; margin: 0 0 6px; text-align: center; }
.login-card .sub { text-align: center; margin-bottom: 24px; }

.login-card input {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  outline: none;
}

.login-card input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.login-card button {
  width: 100%;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  border-radius: 10px;
  font-weight: 500;
}

@media (prefers-color-scheme: dark) {
  .login-card button { color: #10221a; }
}

.login-card button:disabled { opacity: 0.5; cursor: default; }

.err { color: var(--danger); font-size: 13px; margin: 10px 0 0; min-height: 20px; text-align: center; }
.err.ok { color: var(--accent); }

.board {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
  align-items: start;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 11px 12px 11px 14px;
  border-bottom: 1px solid var(--line);
}

.card-head h2 {
  font-size: 14px;
  font-weight: 600;
  margin: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  cursor: default;
}

.card-ops { display: flex; gap: 1px; flex: 0 0 auto; }

.card-ops button {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
  padding: 5px 7px;
  border-radius: 6px;
}

.card-ops button:hover { background: var(--accent-soft); color: var(--accent); }
.card-ops button.danger:hover { background: rgba(180, 64, 47, 0.1); color: var(--danger); }

.card-body { padding: 12px 14px 14px; }

.mini-add { display: flex; gap: 6px; margin-top: 10px; }

.mini-add input {
  flex: 1;
  min-width: 0;
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  outline: none;
}

.mini-add input::placeholder { color: var(--muted); }
.mini-add input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.mini-add button[type="submit"] {
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  border-radius: 9px;
  padding: 0 14px;
  font-size: 14px;
  flex: 0 0 auto;
}

.mini-add button[type="submit"]:disabled { opacity: 0.5; }

@media (prefers-color-scheme: dark) {
  .mini-add button[type="submit"] { color: #10221a; }
}

.mini-add .vis-toggle { padding: 0 10px; border-radius: 9px; font-size: 12px; }
.mini-add .w-amt { flex: 0 0 82px; }
.mini-add .w-date { flex: 0 0 128px; }

.note-area {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 14px;
  line-height: 1.6;
  outline: none;
  resize: vertical;
}

.note-area:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }

.mini-hint { font-size: 12px; color: var(--muted); margin: 6px 0 0; }

.mini-empty { font-size: 13px; color: var(--muted); text-align: center; padding: 14px 0; margin: 0; }

.ledger-total {
  font-size: 21px;
  font-weight: 600;
  letter-spacing: 0.3px;
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}

.ledger-total.neg { color: var(--danger); }

.ledger-row .amt {
  flex: 0 0 auto;
  min-width: 62px;
  font-size: 14px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.ledger-row .amt.neg { color: var(--danger); }

.cd-row .cd-num {
  flex: 0 0 auto;
  min-width: 38px;
  text-align: center;
  font-size: 20px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.cd-row .cd-num.past { font-size: 14px; color: var(--muted); }

.sheet {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.38);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 50;
  padding: 16px;
}

.sheet[hidden] { display: none; }

.sheet-box {
  width: 100%;
  max-width: 420px;
  background: var(--card);
  border-radius: 16px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.sheet-title { margin: 2px 0 4px; font-size: 12px; color: var(--muted); text-align: center; }

.sheet-box button {
  text-align: left;
  border: 1px solid var(--line);
  background: var(--bg);
  border-radius: 10px;
  padding: 11px 14px;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.sheet-box button b { font-size: 14px; font-weight: 500; }
.sheet-box button span { font-size: 12px; color: var(--muted); }
.sheet-box button:hover { border-color: var(--accent); }

.sheet-box button.cancel {
  text-align: center;
  background: transparent;
  border-color: transparent;
  color: var(--muted);
  margin-top: 2px;
}

.log-row { align-items: center; }

.log-tag {
  flex: 0 0 auto;
  min-width: 78px;
  text-align: center;
  font-size: 12px;
  border-radius: 6px;
  padding: 4px 8px;
  background: var(--bg);
  color: var(--muted);
}

.log-tag.ok { background: var(--accent-soft); color: var(--accent); }
.log-tag.bad { background: rgba(180, 64, 47, 0.1); color: var(--danger); }
.log-tag.warn { background: rgba(186, 117, 23, 0.13); color: #854f0b; }

@media (prefers-color-scheme: dark) {
  .log-tag.warn { background: rgba(239, 159, 39, 0.16); color: #ef9f27; }
}

@media (max-width: 560px) {
  .board { grid-template-columns: 1fr; }
  .head-actions { flex-wrap: wrap; justify-content: flex-end; }
  .who { flex-basis: 100%; text-align: right; }
}