:root{
  --bg:#0b1020;
  --card:#111a33;
  --text:#e9eefc;
  --muted:#aab7e6;
  --accent:#7aa7ff;
  --accent2:#2dd4bf;
  --danger:#ff6b6b;
  --warn:#ffcc66;
  --ok:#5eead4;
}
*{box-sizing:border-box}
body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial; background:linear-gradient(180deg,#070a14,var(--bg)); color:var(--text)}
.container{max-width:1100px;margin:0 auto;padding:22px}
.row{display:flex;align-items:center;justify-content:space-between}
.gap{gap:16px}
.grow{flex:1}
.topbar{position:sticky;top:0;background:rgba(7,10,20,.85);backdrop-filter:blur(10px);border-bottom:1px solid rgba(255,255,255,.06);z-index:10}
.brand{font-weight:800;letter-spacing:.2px}
.nav a{color:var(--muted);text-decoration:none;margin-left:14px;font-weight:600}
.nav a:hover{color:var(--text)}
.footer{border-top:1px solid rgba(255,255,255,.06);margin-top:28px}
.muted{color:var(--muted)}
.small{font-size:.92rem}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:16px;margin:18px 0}
.card{background:rgba(17,26,51,.85);border:1px solid rgba(255,255,255,.06);border-radius:16px;padding:18px;box-shadow:0 18px 50px rgba(0,0,0,.25)}
.card h2{margin:0 0 10px 0;font-size:1.05rem}
h1{margin:10px 0 6px 0;font-size:1.7rem}
label{display:block;margin:10px 0 6px 0;color:var(--muted);font-weight:600}
input,textarea{width:100%;padding:10px 12px;border-radius:12px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:var(--text);outline:none}
textarea{resize:vertical}
button,.button{display:inline-block;border:0;border-radius:12px;padding:11px 14px;background:linear-gradient(90deg,var(--accent),#9b8cff);color:#081022;font-weight:800;cursor:pointer;text-decoration:none}
.button.secondary{background:rgba(255,255,255,.10);color:var(--text);border:1px solid rgba(255,255,255,.12)}
button:hover,.button:hover{filter:brightness(1.05)}
table{width:100%;border-collapse:collapse;margin-top:10px}
th,td{padding:10px 10px;border-bottom:1px solid rgba(255,255,255,.07);vertical-align:top}
th{color:var(--muted);font-size:.9rem;text-align:left}
.right{text-align:right}
.pill{display:inline-block;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);padding:4px 8px;border-radius:999px;color:var(--text);font-size:.86rem}
.state{display:inline-block;padding:4px 8px;border-radius:999px;font-weight:800;font-size:.86rem}
.state.plenty{background:rgba(94,234,212,.15);border:1px solid rgba(94,234,212,.35)}
.state.some{background:rgba(122,167,255,.15);border:1px solid rgba(122,167,255,.35)}
.state.low{background:rgba(255,204,102,.15);border:1px solid rgba(255,204,102,.35)}
.state.out{background:rgba(255,107,107,.15);border:1px solid rgba(255,107,107,.35)}
.flash{margin:14px 0}
.flash-item{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.10);border-left:4px solid var(--accent2);padding:10px 12px;border-radius:12px}
.success{color:var(--ok);font-weight:700}
.receipt-img{width:100%;max-height:520px;object-fit:contain;background:rgba(255,255,255,.03);border-radius:12px;border:1px solid rgba(255,255,255,.06)}
code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:8px}
a{color:var(--accent2)}