:root {
  --bg: #0e1012;
  --bg-soft: #15181b;
  --line: #232a2e;
  --text: #e8ece9;
  --dim: #8b958f;
  --accent: #7fc3b1;
  --accent-ink: #08120f;
  --danger: #e08a7a;
  color-scheme: dark;
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

[hidden] { display: none !important; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 -apple-system, BlinkMacSystemFont, "PingFang SC", "Noto Sans SC", "Segoe UI", sans-serif;
  overscroll-behavior-y: none;
}

body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  max-width: 560px;
  margin: 0 auto;
}

button, input, a { font: inherit; color: inherit; }

button {
  background: none;
  border: 0;
  padding: 0;
  cursor: pointer;
  touch-action: manipulation;
}

input {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px 14px;
  width: 100%;
  outline: none;
  transition: border-color .15s;
}
input:focus { border-color: var(--accent); }
input::placeholder { color: #5d6662; }

.primary {
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 600;
  border-radius: 12px;
  padding: 12px 18px;
}
.primary:active { opacity: .8; }
.danger { color: var(--danger); }
.dim { color: var(--dim); }
.err { color: var(--danger); min-height: 1.4em; margin: 8px 0 0; font-size: 14px; }

/* ---------- 登录 ---------- */

.login {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login form { width: 100%; max-width: 320px; display: grid; gap: 12px; }
.login h1 { margin: 0; font-size: 30px; font-weight: 600; letter-spacing: .04em; }
.login .dim { margin: -4px 0 12px; font-size: 14px; }

/* ---------- 头部 ---------- */

.head { padding: 28px 20px 8px; }
.head-top { display: flex; align-items: center; justify-content: space-between; }
.label { color: var(--dim); font-size: 13px; letter-spacing: .08em; }
.total { font-size: 44px; font-weight: 300; letter-spacing: -.02em; margin: 4px 0 2px; font-variant-numeric: tabular-nums; }
.total .cur { font-size: 22px; color: var(--dim); margin-right: 4px; vertical-align: 8px; }
.meta { color: var(--dim); font-size: 13px; }
.dot { margin: 0 6px; }

.sync {
  font-size: 12px;
  color: var(--accent);
  border: 1px solid rgba(127, 195, 177, .35);
  border-radius: 999px;
  padding: 3px 10px;
}

/* ---------- 输入 ---------- */

.add { padding: 16px 20px 4px; display: grid; gap: 10px; }
.amount-row { display: flex; gap: 10px; }
.amount {
  font-size: 22px;
  font-variant-numeric: tabular-nums;
  flex: 1;
  min-width: 0;
}
.amount-row .primary { white-space: nowrap; }
.note { font-size: 15px; }

/* ---------- 月份切换 ---------- */

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 6px;
  color: var(--dim);
  font-size: 13px;
  letter-spacing: .06em;
}
.toolbar button { padding: 6px 12px; color: var(--dim); font-size: 16px; }

/* ---------- 列表 ---------- */

.list { padding: 0 12px; }
.day { margin-bottom: 6px; }
.day-head {
  display: flex;
  justify-content: space-between;
  padding: 12px 8px 6px;
  color: var(--dim);
  font-size: 12px;
  letter-spacing: .04em;
  position: sticky;
  top: 0;
  background: linear-gradient(var(--bg) 70%, transparent);
  z-index: 1;
}
.row {
  display: flex;
  align-items: baseline;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 11px 8px;
  border-radius: 10px;
}
.row:active { background: var(--bg-soft); }
.row .what { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.row .cat { color: var(--dim); font-size: 12px; border: 1px solid var(--line); border-radius: 999px; padding: 1px 7px; flex: none; }
.row .amt { font-variant-numeric: tabular-nums; flex: none; }
.row.pending { opacity: .55; }

.empty { text-align: center; color: var(--dim); padding: 48px 20px; font-size: 14px; line-height: 1.8; }

/* ---------- 柱状 ---------- */

.bars { padding: 24px 20px 8px; }
.bars-title { color: var(--dim); font-size: 12px; letter-spacing: .06em; margin-bottom: 10px; }
.bars-inner { display: flex; align-items: flex-end; gap: 8px; height: 74px; }
.bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; gap: 6px; align-items: center; }
.bar i {
  display: block;
  width: 100%;
  height: 2px;
  background: #2b3439;
  border-radius: 4px 4px 2px 2px;
}
.bar.now i { background: var(--accent); }
.bar span { font-size: 10px; color: var(--dim); }

/* ---------- 页脚 ---------- */

.foot {
  display: flex;
  justify-content: space-between;
  padding: 28px 20px 40px;
  font-size: 13px;
  color: var(--dim);
}
.foot a { color: var(--dim); text-decoration: none; }
.foot a:active, .foot button:active { color: var(--accent); }

/* ---------- 编辑面板 ---------- */

.sheet { position: fixed; inset: 0; z-index: 20; display: flex; align-items: flex-end; }
.sheet-mask { position: absolute; inset: 0; background: rgba(0, 0, 0, .55); }
.sheet-inner {
  position: relative;
  width: 100%;
  max-width: 560px;
  margin: 0 auto;
  background: #1b1f22;
  border-top: 1px solid var(--line);
  border-radius: 18px 18px 0 0;
  max-height: 86dvh;
  overflow: auto;
  padding: 18px 20px calc(20px + env(safe-area-inset-bottom));
  display: grid;
  gap: 8px;
  animation: up .18s ease-out;
}
@keyframes up { from { transform: translateY(100%); } }
.sheet-head { display: flex; justify-content: space-between; align-items: center; }
.sheet-head button { font-size: 24px; color: var(--dim); line-height: 1; padding: 0 4px; }
.sheet-inner label { font-size: 12px; color: var(--dim); margin-top: 6px; letter-spacing: .04em; }
.sheet-actions { display: flex; gap: 10px; margin-top: 14px; }
.sheet-actions button { flex: 1; padding: 13px; border-radius: 12px; }
.sheet-actions .danger { border: 1px solid var(--line); }

/* ---------- 提示 ---------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(28px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: #242b2a;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 16px;
  font-size: 13px;
  z-index: 40;
  max-width: 80vw;
  text-align: center;
}