:root{
  --bg:#f4f7f9; --card:#ffffff; --ink:#1a2430; --muted:#6b7a89;
  --brand:#0b6e5f; --brand2:#7b3fe4; --line:#e3e9ef;
  --green:#1f9d72; --amber:#e8a13c; --red:#e2584d; --blue:#3b82f6;
  --radius:16px; --shadow:0 2px 16px rgba(20,40,60,.06);
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Roboto,Helvetica,Arial,sans-serif;
  font-size:15px;line-height:1.6;}
body.sidebar-open{overflow:hidden;}

/* ===== Layout ===== */
.app{max-width:1180px;margin:0 auto;padding-bottom:88px;}
header.topbar{position:sticky;top:0;z-index:20;background:var(--card);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:12px;padding:12px 16px;}
.logo{width:38px;height:38px;border-radius:11px;display:grid;place-items:center;font-size:20px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;flex:none;
  box-shadow:0 4px 12px rgba(11,110,95,.25);}
.brand h1{font-size:17px;margin:0;letter-spacing:.5px;}
.brand small{color:var(--muted);font-size:12px;display:block;margin-top:-2px;}
.spacer{flex:1;}
.sync-chip{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--muted);
  background:#f0f4f6;padding:6px 10px;border-radius:20px;}
.dot{width:8px;height:8px;border-radius:50%;background:#c3ccd3;flex:none;}
.dot.on{background:var(--green);box-shadow:0 0 0 3px rgba(31,157,114,.18);}
.dot.off{background:var(--red);}

/* ===== Nav ===== */
nav.sidenav{display:none;}
.bottomnav{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--card);
  border-top:1px solid var(--line);display:flex;justify-content:space-around;
  padding:6px 4px calc(6px + env(safe-area-inset-bottom));}
.bottomnav button{flex:1;min-width:0;background:none;border:0;color:var(--muted);
  display:flex;flex-direction:column;align-items:center;gap:2px;font-size:11px;padding:4px 2px;cursor:pointer;}
.bottomnav button .ic{font-size:21px;line-height:1;}
.bottomnav button.active{color:var(--brand);font-weight:600;}

main{padding:16px;}
section.view{display:none;}
section.view.active{display:block;animation:fade .25s ease;}
@keyframes fade{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

h2.page-title{font-size:20px;margin:4px 0 14px;display:flex;align-items:center;gap:8px;}
.page-sub{color:var(--muted);font-size:13px;margin:0 0 16px;}

/* ===== Cards / stat ===== */
.row-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px;}
.statCard{background:var(--card);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);}
.statCard .label{color:var(--muted);font-size:12px;}
.statCard .num{font-size:28px;font-weight:700;margin-top:2px;}
.statCard .sub{font-size:12px;color:var(--muted);margin-top:2px;}
.statCard .num.g{color:var(--green);} .statCard .num.b{color:var(--brand);}
.statCard .num.a{color:var(--amber);} .statCard .num.p{color:var(--brand2);}

.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:16px;}
.card h3{margin:0 0 12px;font-size:15px;display:flex;align-items:center;gap:8px;}
.card h3 .cnt{margin-left:auto;font-size:12px;font-weight:400;color:var(--muted);}

/* ===== Charts ===== */
.chart-grid{display:grid;grid-template-columns:1fr;gap:14px;}
.legend{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}
.legend span{font-size:12px;color:var(--muted);display:flex;align-items:center;gap:5px;}
.legend i{width:10px;height:10px;border-radius:3px;display:inline-block;}

/* ===== List rows ===== */
.list{display:flex;flex-direction:column;gap:10px;}
.item{background:var(--card);border-radius:14px;box-shadow:var(--shadow);padding:14px;cursor:pointer;
  border-left:4px solid transparent;transition:transform .12s ease;}
.item:active{transform:scale(.99);}
.item .top{display:flex;align-items:flex-start;gap:8px;}
.item .tt{font-weight:600;font-size:15px;flex:1;}
.item .meta{font-size:12px;color:var(--muted);margin-top:4px;display:flex;flex-wrap:wrap;gap:6px;}
.item .meta b{font-weight:500;}
.tag{display:inline-flex;align-items:center;font-size:11px;padding:2px 8px;border-radius:20px;white-space:nowrap;}
.tag.blue{background:#e6f0ff;color:var(--blue);}
.tag.green{background:#e3f7ee;color:var(--green);}
.tag.amber{background:#fdf0dc;color:var(--amber);}
.tag.red{background:#fdeae8;color:var(--red);}
.tag.purple{background:#efeafc;color:var(--brand2);}
.tag.gray{background:#eef1f4;color:var(--muted);}
.tag.teal{background:#e0f2ee;color:var(--brand);}
.progressbar{height:6px;background:#eef1f4;border-radius:4px;overflow:hidden;margin-top:8px;}
.progressbar > div{height:100%;background:linear-gradient(90deg,var(--brand),var(--brand2));width:0;transition:width .3s;}
.item .del{color:var(--red);background:none;border:0;font-size:15px;cursor:pointer;padding:2px 4px;border-radius:6px;flex:none;}
.item .del:hover{background:#fdeae8;}

/* ===== Buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;font-size:14px;font-weight:600;
  border:0;border-radius:12px;padding:10px 16px;cursor:pointer;background:var(--brand);color:#fff;
  box-shadow:0 4px 12px rgba(11,110,95,.22);transition:filter .12s;}
.btn:hover{filter:brightness(1.05);}
.btn:active{transform:translateY(1px);}
.btn.ghost{background:#eef1f4;color:var(--ink);box-shadow:none;}
.btn.gray{background:#eef1f4;color:var(--ink);box-shadow:none;}
.btn.small{padding:7px 12px;font-size:13px;border-radius:10px;}
.btn.danger{background:var(--red);box-shadow:0 4px 12px rgba(226,88,77,.2);}
.btn .ic i{font-style:normal;}
.fab{position:fixed;right:16px;bottom:86px;z-index:25;width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;border:0;font-size:26px;
  box-shadow:0 8px 22px rgba(11,110,95,.35);cursor:pointer;}
.fab:active{transform:scale(.94);}

/* ===== Form modal ===== */
.overlay{position:fixed;inset:0;background:rgba(10,20,30,.45);z-index:40;display:none;
  align-items:flex-end;justify-content:center;}
.overlay.show{display:flex;animation:fade .2s ease;}
.panel{width:100%;max-width:680px;background:var(--card);border-radius:20px 20px 0 0;
  max-height:92vh;display:flex;flex-direction:column;animation:up .28s cubic-bezier(.2,.8,.2,1);}
@keyframes up{from{transform:translateY(60px);opacity:0}to{transform:none;opacity:1}}
.panel-head{display:flex;align-items:center;gap:10px;padding:16px 18px;border-bottom:1px solid var(--line);}
.panel-head h3{margin:0;font-size:17px;flex:1;}
.x{background:none;border:0;font-size:22px;color:var(--muted);cursor:pointer;line-height:1;}
.panel-body{padding:16px 18px;overflow-y:auto;}
.panel-foot{padding:14px 18px;border-top:1px solid var(--line);display:flex;gap:10px;
  justify-content:flex-end;}
.field{margin-bottom:13px;}
.field label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin-bottom:6px;}
.field input,.field textarea,.field select{width:100%;font-size:14px;font-family:inherit;color:var(--ink);
  border:1px solid var(--line);border-radius:10px;padding:9px 11px;background:#fbfcfd;outline:none;}
.field input:focus,.field textarea:focus,.field select:focus{border-color:var(--brand);background:#fff;
  box-shadow:0 0 0 3px rgba(11,110,95,.1);}
.field textarea{min-height:74px;resize:vertical;}
.field textarea.tall{min-height:120px;}
.field .hint{font-size:11px;color:var(--muted);margin-top:3px;}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.range{display:flex;align-items:center;gap:10px;}
.range input[type=range]{flex:1;}
.range output{font-weight:700;color:var(--brand);min-width:38px;text-align:right;}

/* ===== checklist (plan steps) ===== */
.clist{display:flex;flex-direction:column;gap:8px;margin-top:6px;}
.cline{display:flex;align-items:flex-start;gap:9px;background:#f6f9fb;border-radius:10px;padding:9px 11px;}
.cline input{width:18px;height:18px;margin-top:3px;accent-color:var(--green);flex:none;}
.cline label{flex:1;font-size:14px;cursor:pointer;}
.cline.done label{text-decoration:line-through;color:var(--muted);}
.ppt{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);margin-top:10px;}

/* ===== Toast ===== */
.toast{position:fixed;left:50%;top:16px;transform:translateX(-50%) translateY(-80px);z-index:60;
  background:#182733;color:#fff;padding:11px 18px;border-radius:12px;font-size:14px;
  box-shadow:0 8px 24px rgba(0,0,0,.25);transition:transform .3s ease;max-width:86vw;text-align:center;}
.toast.show{transform:translateX(-50%) translateY(0);}
.toast.ok{background:var(--green);} .toast.err{background:var(--red);} .toast.info{background:var(--brand);}

/* ===== Settings ===== */
.sett-group{margin-bottom:20px;}
.sett-group h4{font-size:13px;color:var(--brand);margin:0 0 10px;letter-spacing:.5px;}
.sett-row{display:flex;align-items:center;justify-content:space-between;padding:12px 0;border-bottom:1px solid var(--line);}
.sett-row:last-child{border-bottom:0;}
.sett-row .lab{font-size:14px;}
.sett-row .lab small{display:block;color:var(--muted);font-size:12px;margin-top:2px;}
.switch{width:46px;height:26px;border-radius:20px;background:#cdd5dc;position:relative;cursor:pointer;flex:none;transition:background .2s;}
.switch::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;border-radius:50%;background:#fff;transition:left .2s;box-shadow:0 1px 3px rgba(0,0,0,.25);}
.switch.on{background:var(--brand);}
.switch.on::after{left:23px;}

/* ===== Empty ===== */
.empty{text-align:center;color:var(--muted);padding:40px 16px;}
.empty .ic{font-size:40px;opacity:.4;}
.empty p{margin:10px 0 0;font-size:14px;}

/* ===== Detail ===== */
.kv{display:grid;grid-template-columns:1fr;gap:0;margin-top:6px;}
.kv .kv-row{border-bottom:1px solid var(--line);padding:10px 0;}
.kv .k{font-size:12px;color:var(--muted);font-weight:600;margin-bottom:3px;}
.kv .v{font-size:14px;white-space:pre-wrap;word-break:break-word;}
.kv .v.dim{color:#cfd6dd;}

/* ===== Desktop ===== */
@media(min-width:900px){
  body.sidebar-open{overflow:auto;}
  .app{display:grid;grid-template-columns:220px 1fr;padding-bottom:0;gap:0;}
  header.topbar{display:none;}
  nav.sidenav{display:flex;flex-direction:column;position:sticky;top:0;height:100vh;
    background:linear-gradient(180deg,#0b6e5f,#08514a 40%,#0c3f5e);color:#fff;padding:20px 14px;}
  nav.sidenav .logo{background:rgba(255,255,255,.16);margin-bottom:6px;}
  nav.sidenav .brand h1{color:#fff;} nav.sidenav .brand small{color:rgba(255,255,255,.7);}
  nav.sidenav button{display:flex;align-items:center;gap:11px;width:100%;background:none;border:0;color:rgba(255,255,255,.82);
    font-size:14px;padding:11px 12px;border-radius:11px;cursor:pointer;text-align:left;margin-top:4px;}
  nav.sidenav button .ic{font-size:19px;}
  nav.sidenav button.active{background:rgba(255,255,255,.16);color:#fff;font-weight:600;}
  nav.sidenav .navspacer{flex:1;}
  .sync-chip{color:#eaf7f2;background:rgba(255,255,255,.12);}
  .bottomnav{display:none;}
  main{padding:28px 30px;}
  .row-cards{grid-template-columns:repeat(4,1fr);}
  .chart-grid{grid-template-columns:1fr 1fr;}
  .fab{position:fixed;right:28px;bottom:28px;}
  .overlay{align-items:center;}
  .panel{border-radius:20px;max-height:90vh;}
  .kv{grid-template-columns:1fr 1fr;gap:0 24px;}
  section.sidecol{display:grid;grid-template-columns:1fr 340px;gap:16px;}
}