:root{
  --bg:#f3f1eb;--panel:#fff;--panel2:#f8f7f3;--ink:#20221f;--muted:#74776f;
  --line:#dddcd4;--brand:#173f35;--brand2:#dceae4;--dark:#161817;
  --good:#246b45;--warn:#916400;--bad:#9c2c2c;--shadow:0 18px 45px rgba(25,28,24,.08);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink)}
button,input,select{font:inherit}
button{cursor:pointer}
.shell{min-height:100vh;display:grid;grid-template-columns:275px 1fr}
.sidebar{background:var(--dark);color:white;padding:20px;display:flex;flex-direction:column;gap:18px}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{width:46px;height:46px;border-radius:15px;background:#f4f1e8;color:var(--dark);display:grid;place-items:center;font-weight:800}
.brand div:last-child{display:grid}.brand span{font-size:.85rem;color:#bfc4bd}
.command-button,.sidebar nav button,.secondary{width:100%;border:1px solid #343834;border-radius:12px;padding:11px 12px;background:#232623;color:#f4f4f0;text-align:left}
.command-button{color:#cfd4ce;background:#1c1f1c}
.sidebar nav{display:grid;gap:5px;overflow:auto}
.sidebar nav button.active{background:#f4f1e8;color:#171917;border-color:#f4f1e8}
.sidebar-footer{margin-top:auto;display:grid;gap:8px}
.file-label{display:block}
main{padding:26px;min-width:0}
.topbar{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:20px}
h1,h2,h3,p{margin-top:0}.topbar h1{margin-bottom:4px}.topbar p{color:var(--muted);margin-bottom:0}
.top-actions{display:flex;align-items:center;gap:10px}.top-actions span{font-size:.85rem;color:var(--muted)}
.top-actions button,.primary{border:0;border-radius:12px;padding:11px 15px;background:var(--brand);color:white;font-weight:700}
.grid{display:grid;gap:16px}.grid.cards{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card,.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;box-shadow:var(--shadow)}
.metric{font-size:2rem;font-weight:800;margin-top:8px}.label{color:var(--muted);font-size:.9rem}
.toolbar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:14px}
.toolbar input,.toolbar select,.field input,.field select{border:1px solid var(--line);background:white;border-radius:12px;padding:11px 12px}
.toolbar input{min-width:260px;flex:1}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:15px;background:white}
table{width:100%;border-collapse:collapse;min-width:760px}
th,td{text-align:left;padding:12px;border-bottom:1px solid #ecebe5;font-size:.92rem}
th{background:#faf9f6;position:sticky;top:0}
.pill{display:inline-flex;padding:5px 9px;border-radius:999px;background:var(--brand2);color:var(--brand);font-weight:700;font-size:.8rem}
.empty{text-align:center;padding:42px 18px;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.field{display:grid;gap:6px}
.result{margin-top:16px;padding:16px;border-radius:15px;background:var(--brand2)}
.result strong{font-size:1.5rem}
.palette{position:fixed;inset:0;background:rgba(0,0,0,.45);display:grid;place-items:start center;padding-top:12vh;z-index:99}
.hidden{display:none}
.palette-card{width:min(680px,92vw);background:white;border-radius:18px;box-shadow:0 30px 90px rgba(0,0,0,.35);overflow:hidden}
.palette-card input{width:100%;border:0;border-bottom:1px solid var(--line);padding:18px;font-size:1.05rem;outline:none}
.palette-card small{display:block;padding:10px 16px;color:var(--muted)}
.palette-item{display:flex;justify-content:space-between;padding:12px 16px;border-bottom:1px solid #efeee9}
.palette-item:hover,.palette-item.selected{background:#f4f3ee}
.muted{color:var(--muted)}
@media(max-width:1000px){
 .shell{grid-template-columns:1fr}.sidebar{position:relative}.sidebar nav{grid-template-columns:repeat(2,minmax(0,1fr))}
 .grid.cards,.grid.two,.form-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:650px){
 main{padding:16px}.topbar{display:grid}.grid.cards,.grid.two,.form-grid{grid-template-columns:1fr}
 .sidebar nav{grid-template-columns:1fr 1fr}.command-button{display:block}
}