:root{
  --bg:#f5f7f6;
  --panel:#ffffff;
  --panel-soft:#fbfcfb;
  --border:#e2e8e4;
  --border-strong:#cbd6cf;
  --text:#1d2b24;
  --text-soft:#5c6b63;
  --text-mute:#8b968f;
  --primary:#2e7d5b;
  --primary-soft:#e8f3ed;
  --primary-dark:#1f5b41;
  --accent:#357ba8;
  --accent-soft:#e9f1f7;
  --warn:#b7791f;
  --warn-soft:#fdf5e4;
  --danger:#b03a3a;
  --danger-soft:#fbeceb;
  --ok:#2e7d5b;
  --up:#c0392b;      /* 中国习惯：涨/增 = 红 */
  --down:#218a5a;    /* 跌/减 = 绿 */
  --radius:10px;
  --radius-sm:7px;
  --shadow:0 1px 2px rgba(24,44,35,.05),0 4px 14px rgba(24,44,35,.05);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:"Microsoft YaHei","PingFang SC","Helvetica Neue",Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{margin:0 0 .5em;font-weight:600;line-height:1.35}
p{margin:0 0 .8em}
code{background:#eef2f0;padding:1px 5px;border-radius:4px;font-size:12.5px}

.layout{display:flex;min-height:100vh}

/* ---------------- sidebar ---------------- */
.sidebar{
  width:236px;flex:0 0 236px;background:var(--panel);border-right:1px solid var(--border);
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{display:flex;gap:10px;align-items:center;padding:18px 16px 14px;border-bottom:1px solid var(--border)}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px;flex:0 0 38px;
}
.brand-title{font-weight:600;font-size:14px}
.brand-sub{font-size:11px;color:var(--text-mute);line-height:1.4;word-break:break-all}
.nav{padding:10px 8px;flex:1}
.nav-group{padding:12px 10px 4px;font-size:11px;color:var(--text-mute);letter-spacing:.08em}
.nav-item{
  display:block;padding:7px 10px;border-radius:var(--radius-sm);color:var(--text-soft);
  font-size:13px;margin-bottom:1px;transition:.12s;
}
.nav-item:hover{background:var(--panel-soft);color:var(--text);text-decoration:none}
.nav-item.active{background:var(--primary-soft);color:var(--primary-dark);font-weight:600}
.sidebar-footer{padding:12px;border-top:1px solid var(--border);display:flex;align-items:center;gap:8px}
.user-chip{display:flex;align-items:center;gap:7px;font-size:12.5px;flex:1;min-width:0}
.user-chip span:last-child{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.avatar{width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary-dark);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;flex:0 0 26px}

/* ---------------- main ---------------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 26px;background:var(--panel);border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:20;
}
.page-title{font-size:18px;margin:0}
.topbar-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.content{padding:20px 26px 40px;flex:1}
.footer{
  padding:14px 26px 26px;font-size:11.5px;color:var(--text-mute);line-height:1.7;
  border-top:1px solid var(--border);background:var(--panel-soft);
}
.flash-stack{padding:12px 26px 0}
.flash{padding:9px 13px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:8px}
.flash-success{background:var(--primary-soft);color:var(--primary-dark);border:1px solid #c6e2d3}
.flash-error{background:var(--danger-soft);color:var(--danger);border:1px solid #f0cdca}
.flash-info{background:var(--accent-soft);color:#22546f;border:1px solid #cfe0ec}

/* ---------------- grid & cards ---------------- */
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g5{grid-template-columns:repeat(5,minmax(0,1fr))}
.g-2-1{grid-template-columns:2fr 1fr}
.g-1-2{grid-template-columns:1fr 2fr}
@media(max-width:1180px){.g4,.g5{grid-template-columns:repeat(2,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:880px){.g2,.g3,.g4,.g5,.g-2-1,.g-1-2{grid-template-columns:1fr}.layout{flex-direction:column}.sidebar{width:100%;flex:none;height:auto;position:relative}}

.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px}
.card-title{font-size:14px;font-weight:600;margin:0 0 12px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.card-title small{font-weight:400;color:var(--text-mute);font-size:11.5px}
.card-tight{padding:12px 14px}
.section{margin-bottom:18px}
.muted{color:var(--text-mute)}
.soft{color:var(--text-soft)}
.tiny{font-size:11.5px}
.small{font-size:12.5px}
.mono{font-variant-numeric:tabular-nums}
.right{text-align:right}
.center{text-align:center}
.nowrap{white-space:nowrap}
.mt0{margin-top:0}.mb0{margin-bottom:0}
.mb8{margin-bottom:8px}.mb12{margin-bottom:12px}.mb16{margin-bottom:16px}.mb24{margin-bottom:24px}
.mt8{margin-top:8px}.mt12{margin-top:12px}.mt16{margin-top:16px}
.flex{display:flex;gap:10px;align-items:center}
.flex-between{display:flex;justify-content:space-between;align-items:center;gap:10px}
.flex-wrap{flex-wrap:wrap}
.spacer{flex:1}

/* ---------------- metric ---------------- */
.metric{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}
.metric-label{font-size:12px;color:var(--text-mute);margin-bottom:6px}
.metric-value{font-size:23px;font-weight:600;line-height:1.2;font-variant-numeric:tabular-nums}
.metric-value .unit{font-size:12.5px;font-weight:400;color:var(--text-soft);margin-left:3px}
.metric-sub{font-size:11.5px;color:var(--text-mute);margin-top:5px}
.metric.ok{border-left:3px solid var(--primary)}
.metric.warn{border-left:3px solid var(--warn)}
.metric.danger{border-left:3px solid var(--danger)}
.metric.info{border-left:3px solid var(--accent)}

/* ---------------- tables ---------------- */
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:7px 9px;text-align:left;border-bottom:1px solid var(--border);vertical-align:top}
th{background:var(--panel-soft);font-weight:600;color:var(--text-soft);font-size:12px;white-space:nowrap}
tbody tr:hover{background:#fafbfa}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.table-wrap{overflow-x:auto}
.table-compact th,.table-compact td{padding:5px 7px;font-size:12.5px}

/* ---------------- forms & buttons ---------------- */
input[type=text],input[type=password],input[type=number],input[type=date],
input[type=datetime-local],input[type=time],input[type=search],select,textarea{
  font-family:inherit;font-size:13px;padding:7px 9px;border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);background:#fff;color:var(--text);width:100%;max-width:100%;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-soft)}
input[type=checkbox],input[type=radio]{width:auto;margin-right:5px}
label{font-size:12.5px;color:var(--text-soft);display:block;margin-bottom:4px}
.field{margin-bottom:13px}
.field-row{display:flex;gap:10px;flex-wrap:wrap}
.field-row>*{flex:1;min-width:120px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:7px 14px;border-radius:var(--radius-sm);border:1px solid var(--primary);
  background:var(--primary);color:#fff;font-size:13px;cursor:pointer;font-family:inherit;
  transition:.12s;text-decoration:none;line-height:1.4;
}
.btn:hover{background:var(--primary-dark);border-color:var(--primary-dark);text-decoration:none;color:#fff}
.btn-ghost{background:#fff;color:var(--text-soft);border-color:var(--border-strong)}
.btn-ghost:hover{background:var(--panel-soft);color:var(--text);border-color:var(--border-strong)}
.btn-danger{background:var(--danger);border-color:var(--danger)}
.btn-danger:hover{background:#8f2f2f;border-color:#8f2f2f}
.btn-sm{padding:4px 9px;font-size:12px}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.inline-form{display:inline}

/* ---------------- badges / chips ---------------- */
.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11.5px;line-height:1.6;white-space:nowrap}
.badge-ok{background:var(--primary-soft);color:var(--primary-dark)}
.badge-warn{background:var(--warn-soft);color:var(--warn)}
.badge-danger{background:var(--danger-soft);color:var(--danger)}
.badge-info{background:var(--accent-soft);color:#22546f}
.badge-neutral{background:#eef1ef;color:var(--text-soft)}
.chips{display:flex;gap:7px;flex-wrap:wrap}
.chip{padding:4px 11px;border-radius:20px;border:1px solid var(--border-strong);background:#fff;
  font-size:12.5px;color:var(--text-soft);cursor:pointer}
.chip:hover{border-color:var(--primary);color:var(--primary-dark);text-decoration:none}
.chip.active{background:var(--primary-soft);border-color:var(--primary);color:var(--primary-dark);font-weight:600}

/* ---------------- progress ---------------- */
.bar{height:8px;background:#edf1ee;border-radius:6px;overflow:hidden;position:relative}
.bar span{display:block;height:100%;background:var(--primary);border-radius:6px}
.bar.warn span{background:var(--warn)}
.bar.danger span{background:var(--danger)}
.bar-row{display:grid;grid-template-columns:96px 1fr 108px;gap:10px;align-items:center;font-size:12.5px;margin-bottom:9px}
.bar-row .label{color:var(--text-soft)}
.bar-row .val{text-align:right;font-variant-numeric:tabular-nums;color:var(--text)}

/* ---------------- list / meal ---------------- */
.meal-block{border:1px solid var(--border);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.meal-head{background:var(--panel-soft);padding:9px 13px;display:flex;align-items:center;gap:10px;
  flex-wrap:wrap;
  border-bottom:1px solid var(--border);font-size:13px}
.meal-head .name{font-weight:600}
.meal-items{padding:0}
.meal-item{display:flex;align-items:center;gap:12px;padding:8px 13px;border-bottom:1px solid #f1f4f2;font-size:13px}
.meal-item:last-child{border-bottom:none}
.meal-item .n{flex:1;min-width:0}
.meal-item .g{color:var(--text-soft);font-variant-numeric:tabular-nums;white-space:nowrap}
.meal-item .e{color:var(--text);font-variant-numeric:tabular-nums;white-space:nowrap;min-width:78px;text-align:right}
.meal-total{background:#f7f9f8;padding:8px 13px;font-size:12.5px;color:var(--text-soft);
  display:flex;gap:16px;flex-wrap:wrap;border-top:1px solid var(--border)}
.empty{padding:22px 13px;color:var(--text-mute);font-size:13px;text-align:center}

/* ---------------- misc ---------------- */
.note{background:var(--accent-soft);border-left:3px solid var(--accent);padding:9px 12px;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;font-size:12.5px;color:#22546f;margin-bottom:12px}
.note-warn{background:var(--warn-soft);border-left-color:var(--warn);color:#7a5410}
.note-danger{background:var(--danger-soft);border-left-color:var(--danger);color:#8a2c2c}
.note-ok{background:var(--primary-soft);border-left-color:var(--primary);color:var(--primary-dark)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:5px 14px;font-size:13px}
.kv dt{color:var(--text-mute);white-space:nowrap}
.kv dd{margin:0;font-variant-numeric:tabular-nums}
details{border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;margin-bottom:8px;background:var(--panel-soft)}
details summary{cursor:pointer;font-size:13px;font-weight:600;color:var(--text-soft)}
details[open] summary{margin-bottom:8px}
.reco{border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;margin-bottom:12px;background:#fff}
.reco.high{border-left:3px solid var(--danger)}
.reco.mid{border-left:3px solid var(--warn)}
.reco.low{border-left:3px solid var(--accent)}
.reco h4{margin:0 0 6px;font-size:14.5px}
.reco .row{display:grid;grid-template-columns:76px 1fr;gap:6px 12px;font-size:13px}
.reco .row .k{color:var(--text-mute)}
.legend{display:flex;gap:14px;font-size:11.5px;color:var(--text-mute);flex-wrap:wrap;margin-top:6px}
.legend i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:-1px}
.up{color:var(--up)}
.down{color:var(--down)}
.scroll-200{max-height:200px;overflow:auto}
.scroll-360{max-height:360px;overflow:auto}
.pagination{display:flex;gap:6px;align-items:center;justify-content:center;margin-top:16px;font-size:13px}