:root{
  --bg:#0f172a; /* slate-900 */
  --panel:#111827; /* gray-900 */
  --text:#e5e7eb; /* gray-200 */
  --muted:#9ca3af; /* gray-400 */
  --accent:#6366f1; /* indigo-500 */
  --accent-2:#22c55e; /* green-500 */
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}
.container{max-width:1100px;margin:0 auto;padding:16px}
.topbar{background:var(--panel);border-bottom:1px solid #1f2937}
.topbar h1{margin:0;font-size:18px}
.topbar a{color:var(--text);text-decoration:none;margin-right:12px}
nav a{opacity:.9}
nav a:hover{opacity:1;color:var(--accent)}
h2{margin:16px 0}
table{width:100%;border-collapse:collapse;background:#0b1220;border:1px solid #1f2937;border-radius:8px;overflow:hidden}
th,td{padding:10px 12px;border-bottom:1px solid #1f2937}
th{text-align:left;background:#0e1629}
.btn,button{display:inline-block;background:var(--accent);color:white;border:none;border-radius:6px;padding:8px 12px;cursor:pointer;text-decoration:none}
.btn:hover,button:hover{filter:brightness(1.05)}
.form .form-row{margin-bottom:12px;display:flex;gap:12px;align-items:center}
label{min-width:140px;color:var(--muted)}
input,select{flex:1;padding:8px 10px;border-radius:6px;border:1px solid #334155;background:#0b1220;color:var(--text)}
.form-actions{display:flex;gap:8px}
.muted{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin:12px 0}
.card{background:#0b1220;border:1px solid #1f2937;border-radius:8px;padding:12px}
.card-title{color:var(--muted);font-size:12px;text-transform:uppercase}
.card-value{font-size:20px;font-weight:700}
.footer{color:var(--muted);font-size:12px;margin-top:24px}