/* Simple clean responsive styles */
:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --accent:#4f46e5;
  --muted:#6b7280;
}
*{box-sizing:border-box}
body{font-family:Inter, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial; background:var(--bg); color:#111; margin:0}
.container{max-width:900px;margin:32px auto;padding:16px}
.card{background:var(--card);border-radius:12px;padding:20px;box-shadow:0 6px 18px rgba(16,24,40,0.06)}
.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.logo{font-weight:700;color:var(--accent);font-size:20px}
.nav a{margin-left:12px;color:var(--muted);text-decoration:none}
h1{margin:0 0 12px 0}
form{display:grid;gap:12px}
input[type=text], input[type=email], input[type=password], textarea{padding:10px;border-radius:8px;border:1px solid #e6e9ef}
button{background:var(--accent);color:#fff;border:0;padding:10px 14px;border-radius:8px;cursor:pointer}
.grid{display:grid;grid-template-columns:1fr 320px;gap:16px}
.card-list{display:flex;flex-direction:column;gap:10px}
.card-item{padding:12px;border-radius:8px;border:1px solid #eef2ff;background:linear-gradient(180deg,#fff,#fafbff)}
.muted{color:var(--muted);font-size:13px}
.actions{display:flex;gap:8px}
.small{font-size:13px;padding:6px 8px}
.center{display:flex;align-items:center;justify-content:center}
@media(max-width:820px){.grid{grid-template-columns:1fr}}