* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  color: #e8eef8;
  background:
    radial-gradient(420px 220px at 10% -10%, rgba(57, 191, 180, 0.18), transparent 60%),
    linear-gradient(160deg, #091522, #101a2c 50%, #0c2424);
  font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
}
button, input, select { font: inherit; color: inherit; }
button, .ghost {
  border: 0;
  border-radius: 10px;
  background: linear-gradient(90deg, #39bfb4, #4e82d8);
  color: #f7fbff;
  padding: 8px 12px;
  cursor: pointer;
  text-decoration: none;
}
.ghost, .mini, .danger { background: rgba(255, 255, 255, 0.08); }
.danger { color: #ffb4b4; }
.mini { padding: 4px 8px; border-radius: 8px; cursor: pointer; }
.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.panel, .card {
  width: min(440px, 100%);
  padding: 28px;
  border-radius: 18px;
  background: rgba(14, 26, 42, 0.9);
  border: 1px solid rgba(170, 210, 255, 0.14);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.28);
}
.eyebrow { margin: 0; color: #8ee7dc; letter-spacing: 0.12em; }
h1, h2 { margin: 6px 0 12px; }
.hint, .muted { color: #9eb0c6; font-size: 13px; }
label { display: block; margin: 14px 0; font-size: 13px; color: #c5d4e6; }
input, select {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(170, 210, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
  outline: none;
}
input:focus, select:focus { border-color: rgba(100, 225, 210, 0.7); }
.login button { width: 100%; padding: 11px; }
.error { min-height: 1.2em; color: #ff9b9b; font-size: 13px; }
.desk { min-height: 100vh; }
.top {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.top-actions { display: flex; align-items: center; gap: 12px; }
#saveState { color: #8ee7dc; font-size: 13px; }
.body { display: grid; grid-template-columns: 260px 1fr; min-height: calc(100vh - 60px); }
aside {
  padding: 16px;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}
a { color: inherit; }
.nav-btn, .add-row { width: 100%; }
a.nav-btn { text-decoration: none; color: inherit; box-sizing: border-box; }
.nav-btn {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
  padding: 10px 12px;
  text-align: left;
  border-radius: 12px;
  border: 1px solid transparent;
  background: transparent;
  cursor: pointer;
}
.nav-btn.active, .nav-btn:hover { background: rgba(255, 255, 255, 0.06); border-color: rgba(255, 255, 255, 0.08); }
.nav-btn small, .tag { color: #8ea2ba; }
.add-row { display: flex; gap: 8px; margin-top: 14px; }
.add-row select { margin: 0; }
main { padding: 20px; }
.sheet { max-width: 860px; }
.grid-2, .item-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.item {
  margin: 12px 0;
  padding: 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
}
.row { display: flex; gap: 8px; align-items: center; justify-content: space-between; }
.checks { display: flex; align-items: center; gap: 8px; }
.checks input { width: auto; margin: 0; }
.group { margin-top: 16px; padding-top: 8px; border-top: 1px solid rgba(255, 255, 255, 0.08); }
@media (max-width: 800px) {
  .body, .grid-2, .item-grid { grid-template-columns: 1fr; }
}