*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --pri:#1b4332;--pri-m:#2d6a4f;--pri-l:#40916c;--acc:#52b788;
  --bg:#f0f2f5;--card:#fff;--txt:#1a1a2e;--mute:#6b7280;--border:#e5e7eb;
  --ok:#16a34a;--warn:#d97706;--bad:#dc2626;
  --r:10px;--sh:0 1px 4px rgba(0,0,0,.06),0 2px 8px rgba(0,0,0,.04);
}
body{font-family:'Segoe UI',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--txt);line-height:1.5}
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#1b4332 0%,#2d6a4f 40%,#52b788 100%)}
.login-card{background:#fff;border-radius:16px;padding:48px 36px;width:380px;
  text-align:center;box-shadow:0 8px 30px rgba(0,0,0,.15)}
.login-logo{font-size:56px;margin-bottom:4px}
.login-card h1{font-size:26px;color:var(--pri);margin-bottom:2px}
.login-sub{color:var(--mute);font-size:14px;margin-bottom:24px}
.login-card input{width:100%;padding:12px 16px;border:2px solid var(--border);border-radius:var(--r);
  font-size:15px;margin-bottom:14px;transition:border .2s}
.login-card input:focus{outline:none;border-color:var(--pri-m)}
.login-card button{width:100%;padding:12px;background:var(--pri-m);color:#fff;border:none;
  border-radius:var(--r);font-size:15px;font-weight:600;cursor:pointer;transition:background .2s}
.login-card button:hover{background:var(--pri)}
.login-card button:disabled{opacity:.6;cursor:wait}
.login-hint{color:var(--mute);font-size:12px;margin-top:18px}
.alert{background:#fef2f2;color:var(--bad);border:1px solid #fecaca;padding:10px 14px;
  border-radius:var(--r);font-size:13px;margin-bottom:14px}
nav{background:var(--card);border-bottom:1px solid var(--border);padding:12px 24px;
  display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;
  box-shadow:var(--sh)}
.nav-brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:18px;color:var(--pri)}
.nav-brand span:first-child{font-size:26px}
.nav-right{display:flex;align-items:center;gap:10px}
.nav-right button{padding:6px 14px;border:1.5px solid var(--border);border-radius:var(--r);
  background:transparent;font-size:13px;cursor:pointer;color:var(--txt)}
.nav-right button:hover{background:var(--bg)}
.container{max-width:1200px;margin:0 auto;padding:20px}
.picker{background:var(--card);border-radius:var(--r);padding:16px 20px;margin-bottom:20px;
  box-shadow:var(--sh);display:flex;gap:16px;align-items:end;flex-wrap:wrap}
.picker label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;
  letter-spacing:.6px;color:var(--mute);margin-bottom:4px}
.picker select{padding:9px 14px;border:1.5px solid var(--border);border-radius:var(--r);
  font-size:14px;min-width:280px;background:#fff}
.picker .info{font-size:13px;color:var(--mute);padding:9px 0}
.label-field{flex:1;min-width:240px}
.label-field label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;
  letter-spacing:.6px;color:var(--mute);margin-bottom:4px}
.label-input-row{display:flex;gap:6px}
.label-input-row input{flex:1;padding:8px 12px;border:1.5px solid var(--border);border-radius:var(--r);
  font-size:14px;background:#fff;transition:border .2s}
.label-input-row input:focus{outline:none;border-color:var(--pri-m)}
.label-input-row button{padding:8px 16px;background:var(--pri-m);color:#fff;border:none;
  border-radius:var(--r);font-size:13px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background .2s}
.label-input-row button:hover{background:var(--pri)}
.label-input-row button:disabled{opacity:.6;cursor:wait}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px;margin-bottom:20px}
.scard{background:var(--card);border-radius:var(--r);padding:18px;box-shadow:var(--sh);
  border-left:4px solid var(--pri-l);transition:transform .15s}
.scard:hover{transform:translateY(-2px)}
.scard-icon{font-size:26px;margin-bottom:6px}
.scard-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--mute)}
.scard-val{font-size:24px;font-weight:700;margin:2px 0}
.scard-status{font-size:11px;font-weight:600;padding:2px 8px;border-radius:4px;display:inline-block}
.st-ok{background:#dcfce7;color:#166534}
.st-warn{background:#fef9c3;color:#854d0e}
.st-bad{background:#fee2e2;color:#991b1b}
.c-moist{border-left-color:#3b82f6}.c-temp{border-left-color:#ef4444}
.c-ec{border-left-color:#f59e0b}.c-ph{border-left-color:#8b5cf6}
.c-n{border-left-color:#22c55e}.c-p{border-left-color:#f97316}.c-k{border-left-color:#a855f7}
.charts{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:20px}
.chart-box{background:var(--card);border-radius:var(--r);padding:18px;box-shadow:var(--sh)}
.chart-box h3{font-size:14px;color:var(--mute);margin-bottom:12px;font-weight:600}
.tbl-wrap{background:var(--card);border-radius:var(--r);padding:18px;box-shadow:var(--sh);margin-bottom:20px}
.tbl-wrap h3{font-size:14px;color:var(--mute);margin-bottom:10px;font-weight:600}
.tbl-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:13px}
th{background:var(--bg);padding:9px 12px;text-align:left;font-weight:700;font-size:11px;
  text-transform:uppercase;letter-spacing:.4px;color:var(--mute);border-bottom:2px solid var(--border)}
td{padding:7px 12px;border-bottom:1px solid var(--border)}
tr:hover td{background:#f9fafb}
.loading{text-align:center;padding:60px 20px;color:var(--mute)}
.loading .spin{display:inline-block;width:32px;height:32px;border:3px solid var(--border);
  border-top-color:var(--pri-m);border-radius:50%;animation:spin .7s linear infinite;margin-bottom:12px}
@keyframes spin{to{transform:rotate(360deg)}}
.empty{text-align:center;padding:80px 20px;background:var(--card);border-radius:var(--r);box-shadow:var(--sh)}
.empty-icon{font-size:56px;margin-bottom:12px}
.empty h2{color:var(--mute);font-weight:600;margin-bottom:6px}
.empty p{color:var(--mute);font-size:14px}
footer{text-align:center;padding:18px;color:var(--mute);font-size:12px;border-top:1px solid var(--border);margin-top:16px}
@media(max-width:768px){
  .charts{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .picker{flex-direction:column}
  .picker select{min-width:100%;width:100%}
  nav{padding:10px 14px}
  .container{padding:14px}
}
@media(max-width:480px){.cards{grid-template-columns:1fr}}