:root { --accent:#3b82f6; --bg:#0b1020; --card:#11162a; --text:#e7eaf3; --muted:#9aa3b2; --ok:#14b8a6; --warn:#f59e0b; }
* { box-sizing: border-box; }
body { margin:0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu; background: var(--bg); color: var(--text); }
header, footer { padding: 1rem 2rem; background: #0d1328; border-bottom: 1px solid #1b254a; }
footer { border-top: 1px solid #1b254a; border-bottom: none; }
h1 { margin: 0; font-size: 1.4rem; }
nav a { color: var(--muted); margin-right: 1rem; text-decoration: none; }
nav a:hover { color: var(--text); }
main { padding: 2rem; }
.hero { display: grid; gap: .5rem; }
.btn { background: var(--accent); color: white; border: 0; padding: .5rem .9rem; border-radius: .4rem; cursor: pointer; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1rem; }
.card { background: var(--card); padding: 1rem; border-radius: .6rem; border:1px solid #1b254a; }
.stock-ok { color: var(--ok); }
.stock-low { color: var(--warn); }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: .6rem; overflow: hidden; }
th, td { padding: .6rem .8rem; border-bottom: 1px solid #1b254a; }
.inline { margin-top: 1rem; }