:root {
  --brand: #F7CE46;
  --brand-soft: #FFF3C4;
  --ink: #242019;
  --muted: #7B7466;
  --line: #E9E1CF;
  --bg: #FBF7EC;
  --card: #FFFFFF;
  --accent: #2BB3D6;
  --danger: #C95448;
  --ok: #3F9B82;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.top {
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 18px 28px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 1px;
}
.logo-mark {
  width: 34px; height: 34px; border-radius: 12px;
  background: var(--brand);
  position: relative;
}
.logo-mark::after {
  content: "";
  position: absolute; left: 8px; top: 8px;
  width: 18px; height: 18px; border-radius: 50%;
  background: #fff;
  opacity: .7;
}
.nav { display: flex; gap: 8px; flex: 1; flex-wrap: wrap; }
.nav a {
  padding: 8px 16px; border-radius: 999px; color: var(--muted); font-size: 14px;
}
.nav a.on { background: var(--brand-soft); color: #6B5200; font-weight: 600; }
.nav a:hover { color: var(--ink); }
.who { color: var(--muted); font-size: 13px; display: flex; gap: 12px; align-items: center; }
.who .out { color: var(--danger); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 28px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
h1 { font-size: 28px; margin: 0 0 6px; letter-spacing: .5px; }
h2 { font-size: 18px; margin: 0 0 14px; }
h3 { font-size: 15px; margin: 0 0 10px; }
.sub { color: var(--muted); font-size: 14px; margin: 0; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.banner {
  border: 1px solid #F2D98D; background: #FFF8DC; color: #7A5E00;
  padding: 12px 16px; border-radius: 14px; margin-bottom: 18px; font-size: 13px;
}
.banner.err { border-color: #EFC1BB; background: #FCEDEA; color: #8C3A30; }

.grid { display: grid; gap: 16px; }
.g4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.g3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.g2 { grid-template-columns: 1.2fr .8fr; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: 18px;
  padding: 20px;
}
.kpi { display: flex; flex-direction: column; gap: 2px; }
.kpi .num { font-size: 34px; font-weight: 700; letter-spacing: 1px; }
.kpi .k { font-size: 13px; color: var(--muted); }
.kpi .hint { font-size: 12px; color: var(--muted); }
.kpi.accent { border-top: 3px solid var(--accent); }
.kpi.brand { border-top: 3px solid var(--brand); }
.kpi.mint { border-top: 3px solid var(--ok); }
.kpi.danger { border-top: 3px solid var(--danger); }

.chart { display: flex; align-items: flex-end; gap: 14px; height: 170px; padding-top: 10px; }
.bar-col { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 6px; height: 100%; justify-content: flex-end; }
.bar {
  width: 70%; max-width: 46px; border-radius: 8px 8px 4px 4px;
  background: linear-gradient(180deg, #F7CE46, #FBE79A);
  min-height: 4px;
}
.bar-label { font-size: 11px; color: var(--muted); white-space: nowrap; }
.bar-val { font-size: 12px; font-weight: 600; }

table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 12px; text-align: left; border-bottom: 1px solid #F1EBDD; font-size: 13px; vertical-align: top; }
th { color: var(--muted); font-weight: 500; background: #FCFAF3; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: #FFFDF7; }

.user-cell { display: flex; align-items: center; gap: 10px; min-width: 0; }
.user-meta { min-width: 0; }
.avatar {
  width: 40px; height: 40px; flex: 0 0 40px;
  border-radius: 50%; object-fit: cover; display: block;
  border: 1px solid #F1EBDD; background: #F4EEE0;
}
.avatar-fallback {
  display: inline-flex; align-items: center; justify-content: center;
  color: #7A5E00; font-size: 15px; font-weight: 700;
  background: linear-gradient(135deg, #FFE9A8, #F7CE46);
  border-color: #F0D278;
}
.avatar-lg { width: 58px; height: 58px; flex-basis: 58px; font-size: 22px; }

.tag {
  display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px;
  background: #F4EEE0; color: #6F6552; line-height: 1.7; white-space: nowrap;
}
.tag.preg { background: #E7F6FA; color: #1B7F9A; }
.tag.male { background: #EAF3EF; color: #2C7A64; }
.tag.goal { background: var(--brand-soft); color: #7A5E00; }
.tag.danger { background: #FBEAE7; color: #8C3A30; }

.btn {
  display: inline-block; border: none; border-radius: 12px; padding: 10px 18px;
  background: var(--brand); color: #4B3A00; font-weight: 600; cursor: pointer; font-size: 14px;
}
.btn:hover { filter: brightness(.96); }
.btn.ghost { background: #fff; border: 1px solid var(--line); color: var(--ink); font-weight: 500; }
.btn.danger { background: #FBEAE7; color: #8C3A30; }
.btn.sm { padding: 6px 12px; font-size: 13px; border-radius: 10px; }

.search { display: flex; gap: 10px; }
.search input {
  border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px; min-width: 260px;
  background: #fff; font-size: 14px; outline: none;
}
.search input:focus { border-color: var(--brand); }

.profile-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 14px; }
.field { background: #FCFAF3; border: 1px solid #F1EBDD; border-radius: 14px; padding: 12px 14px; }
.field .k { font-size: 12px; color: var(--muted); }
.field .v { font-size: 15px; font-weight: 600; margin-top: 2px; word-break: break-all; }

details { margin-top: 8px; }
summary { cursor: pointer; color: var(--accent); font-size: 13px; }
pre {
  background: #302C24; color: #F4E9C8; padding: 14px; border-radius: 12px;
  overflow: auto; max-height: 420px; font-size: 12px; line-height: 1.6;
}

.week-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}
.week-card {
  background: #FCFAF3;
  border: 1px solid #F1EBDD;
  border-radius: 14px;
  padding: 12px 14px;
}
.week-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.textarea {
  width: 100%;
  display: block;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  padding: 10px 12px;
  font: inherit;
  font-size: 13px;
  line-height: 1.6;
  resize: vertical;
  outline: none;
}
.textarea:focus { border-color: var(--brand); }

.empty { text-align: center; color: var(--muted); padding: 40px 0; font-size: 14px; }.footer { color: var(--muted); text-align: center; font-size: 12px; padding: 30px 0 40px; }
.flash { background: #EAF3EF; color: #2C7A64; padding: 10px 14px; border-radius: 12px; margin-bottom: 16px; font-size: 13px; }

/* 登录 */
.login-body { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: radial-gradient(1200px 600px at 20% 0%, #FFF6D6, #FBF7EC 60%); padding: 20px; }
.login-card { width: 100%; max-width: 400px; background: #fff; border-radius: 22px; padding: 34px; border: 1px solid var(--line); box-shadow: 0 18px 50px rgba(120,100,40,.10); }
.login-card h1 { font-size: 24px; }
.login-card p { color: var(--muted); margin: 6px 0 22px; font-size: 13px; }
.login-card label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 6px; }
.login-card input {
  width: 100%; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; font-size: 15px; outline: none;
}
.login-card input:focus { border-color: var(--brand); }
.login-card .btn { width: 100%; margin-top: 20px; padding: 12px; }
.login-tip { font-size: 12px; color: var(--muted); margin-top: 14px; }
.error { background: #FBEAE7; color: #8C3A30; border-radius: 10px; padding: 8px 12px; font-size: 13px; margin-top: 14px; }

@media (max-width: 900px) {
  .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .g2, .g3 { grid-template-columns: 1fr; }
  .profile-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .top { gap: 12px; padding: 14px 16px; flex-wrap: wrap; }
  .wrap { padding: 18px 16px; }
  .card { overflow-x: auto; }
}

/* 手机端：logo 与账号一行，导航贴底横向滑动，不换行 */
@media (max-width: 720px) {
  .top {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    grid-template-areas:
      "logo who"
      "nav nav";
    align-items: center;
    gap: 8px 10px;
    padding: 10px 14px 8px;
  }
  .logo { grid-area: logo; font-size: 16px; gap: 8px; min-width: 0; }
  .logo-mark { width: 28px; height: 28px; border-radius: 9px; flex: 0 0 auto; }
  .logo-mark::after { left: 7px; top: 7px; width: 14px; height: 14px; }
  .who { grid-area: who; gap: 10px; white-space: nowrap; }
  .who span { display: none; }
  .nav {
    grid-area: nav;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    flex: none;
    margin: 0;
    padding: 0;
  }
  .nav a {
    flex: 0 1 auto;
    padding: 7px 10px;
    background: #FBF7EC;
    font-size: 13px;
    line-height: 1.35;
  }
  .nav a.on { background: var(--brand-soft); }
  .wrap { padding: 16px 14px 24px; }
  .card { padding: 16px; border-radius: 16px; }
  .page-head { align-items: flex-start; }
  .footer { padding: 22px 14px 32px; }
  .users-table { min-width: 760px; }
  .users-table th:nth-child(5), .users-table td:nth-child(5),
  .users-table th:nth-child(6), .users-table td:nth-child(6) { white-space: nowrap; }
}

@media (max-width: 600px) {
  .nav a { flex: 1 1 calc(33.333% - 4px); text-align: center; }
}

@media (max-width: 520px) {
  .g4 { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .profile-grid { grid-template-columns: 1fr; }
  .week-grid { grid-template-columns: 1fr; }
  .search { flex-wrap: wrap; }
  .search input { min-width: 0; flex: 1 1 100%; }
  .page-head { flex-direction: column; align-items: stretch; gap: 10px; }
  .page-head .btn { align-self: flex-start; }
  h1 { font-size: 24px; }
  h2 { font-size: 17px; }
  .card { padding: 14px; }
  .kpi .num { font-size: 30px; }
  .chart { gap: 8px; height: 150px; }
  th, td { padding: 9px 10px; }
  .login-card { padding: 24px; border-radius: 18px; }
}