:root { --bg:#0f172a; --card:#111827; --text:#e5e7eb; --muted:#9ca3af; --accent:#38bdf8; }
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,'Open Sans','Helvetica Neue',sans-serif;background:var(--bg);color:var(--text)}
header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:#0b1220;border-bottom:1px solid #1f2937}
h1{font-size:20px;margin:0}
.container{max-width:1100px;margin:24px auto;padding:0 16px}
.card{background:var(--card);border:1px solid #1f2937;border-radius:16px;padding:16px;box-shadow:0 10px 30px rgba(0,0,0,.25);margin-bottom:16px}
label{display:block;margin:8px 0 4px}
input[type=text],input[type=email],input[type=password],textarea,select{width:100%;padding:10px 12px;border-radius:12px;border:1px solid #334155;background:#0b1220;color:var(--text)}
textarea{min-height:140px}
button,.btn{background:var(--accent);border:none;color:#001018;padding:10px 14px;border-radius:12px;font-weight:700;cursor:pointer}
button[disabled]{opacity:.5;cursor:not-allowed}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid #1f2937;padding:10px;text-align:left}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;background:#1f2937;color:var(--muted)}
.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.kpi .tile{background:#0b1220;border:1px solid #1f2937;border-radius:16px;padding:16px}
.footer{color:var(--muted);font-size:12px;padding:16px;text-align:center}