:root{--bg:#f4f8f9;--card:#fff;--ink:#16303a;--muted:#5d7580;--line:#d5e2e7;--brand:#0b7285;--brand2:#e3f4f7;--ok:#2b8a3e;--warn:#e8a400;--bad:#d9480f}
@media (prefers-color-scheme:dark){:root{--bg:#0e1b21;--card:#15262e;--ink:#e3eef2;--muted:#8fa6af;--line:#264049;--brand:#3bc0d6;--brand2:#12333b}}
*{box-sizing:border-box}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--ink)}
.top{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:12px 20px;background:linear-gradient(120deg,#0b7285,#1098ad);color:#fff}
.top h1{margin:0;font-size:22px;letter-spacing:.5px}
.tankbar{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
button,.btn,select,input{font:inherit}
button,.btn{background:var(--brand);color:#fff;border:0;border-radius:6px;padding:6px 12px;cursor:pointer;display:inline-block}
button.ghost,.btn.ghost{background:transparent;color:inherit;border:1px solid currentColor;opacity:.9}
.top .ghost{color:#fff}
button.small{padding:2px 8px;font-size:13px}
select,input[type=number],input[type=text],input[type=date]{padding:5px 8px;border:1px solid var(--line);border-radius:6px;background:var(--card);color:var(--ink);max-width:100%}
#tabs{display:flex;gap:2px;padding:8px 20px 0;overflow-x:auto;border-bottom:1px solid var(--line);background:var(--card)}
#tabs button{background:none;color:var(--muted);border-radius:6px 6px 0 0;padding:8px 14px;white-space:nowrap}
#tabs button[aria-selected=true]{color:var(--brand);background:var(--brand2);font-weight:600}
main{max-width:1100px;margin:0 auto;padding:16px 20px 60px}
.grid2{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:14px 16px;margin-bottom:16px}
.card h2{margin:0 0 10px;font-size:17px}
.card h3{margin:14px 0 6px;font-size:14px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.form{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr));gap:10px}
label.f{display:flex;flex-direction:column;font-size:13px;color:var(--muted);gap:2px}
label.f input,label.f select{width:100%}
.stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.stat{background:var(--brand2);border-radius:8px;padding:8px 12px;min-width:110px}
.stat b{display:block;font-size:20px;color:var(--brand)}
.stat span{font-size:12px;color:var(--muted)}
.muted{color:var(--muted)}
.bar{height:18px;background:var(--line);border-radius:9px;overflow:hidden;margin:8px 0}
.bar i{display:block;height:100%;background:var(--ok)}
.bar.full i{background:var(--warn)}.bar.overstocked i{background:var(--bad)}
.issue{border-left:4px solid var(--line);padding:6px 10px;margin:8px 0;background:var(--bg);border-radius:0 6px 6px 0}
.issue.error{border-color:var(--bad)}.issue.warn{border-color:var(--warn)}.issue.info{border-color:var(--brand)}
.issue small{display:block;color:var(--muted)}
.tag{display:inline-block;font-size:11px;font-weight:700;text-transform:uppercase;padding:0 6px;border-radius:4px;color:#fff;background:var(--muted);margin-right:6px}
.tag.error,.tag.overdue,.tag.danger{background:var(--bad)}.tag.warn,.tag.today,.tag.warning{background:var(--warn)}.tag.ok,.tag.safe{background:var(--ok)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{text-align:left;padding:5px 8px;border-bottom:1px solid var(--line)}
th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase}
.chart{width:100%;height:auto}.chart text{font-size:11px;fill:var(--muted)}.chart .grid{stroke:var(--line)}
.legend{display:flex;gap:14px;font-size:13px}.legend i{display:inline-block;width:10px;height:10px;border-radius:50%;margin-right:4px}
.result{margin-top:10px;padding:8px 12px;background:var(--brand2);border-radius:8px}
.scroll{max-height:420px;overflow:auto}
#toast{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:#16303a;color:#fff;padding:8px 16px;border-radius:8px;opacity:0;transition:opacity .2s;pointer-events:none}
#toast.show{opacity:1}
#card{display:none}
@media print{body{background:#fff;color:#000}.top,#tabs,main,#toast{display:none!important}#card{display:block;padding:10mm}#card h1{margin:0 0 8px}#card table{font-size:12px}}