*{box-sizing:border-box}
body{margin:0;background:linear-gradient(180deg,#0a0f1e,#0f172a);color:#e2e8f0;font-family:'Cairo',Arial,sans-serif}
.layout{max-width:1200px;margin:0 auto;padding:20px}
.header{display:flex;justify-content:space-between;align-items:center;padding:16px;border-radius:16px;background:#0b1220;border:1px solid #162032}
.brand{display:flex;align-items:center;gap:12px;font-size:22px;font-weight:800}
.logo{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle,#facc15,#fde68a);color:#0b1220;font-size:36px;box-shadow:0 0 0 4px #1f2937}
.controls{display:grid;grid-template-columns:repeat(7,1fr);gap:12px;background:#0b1220;padding:16px;border-radius:12px;border:1px solid #162032;margin-top:16px}
.field{display:flex;flex-direction:column;gap:8px}
label{font-size:13px;color:#94a3b8}
select,input{height:36px;border:1px solid #1f2937;border-radius:10px;padding:0 12px;background:#0b1626;color:#e2e8f0}
button#apply{height:36px;border:none;border-radius:10px;background:#22c55e;color:#04210e;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0 12px}
.back-btn{height:36px;border:none;border-radius:10px;background:#3b82f6;color:#fff;font-weight:700;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;text-decoration:none}
.chart-card{margin-top:16px;background:#0b1626;border:1px solid #162032;border-radius:12px;padding:16px}
.chart-card h3{margin:0 0 12px 0;color:#94a3b8;font-size:16px}
@media (max-width:900px){.controls{grid-template-columns:1fr 1fr}.layout{padding:12px}}