* { box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif; background:#f5f7fb; color:#1c2733; margin:0; }
.container { max-width:900px; margin:40px auto; background:#fff; padding:24px; border-radius:10px; box-shadow:0 8px 20px rgba(0,0,0,0.06); }
h1 { color:#1f567a; margin-top:0; }
nav a.btn, .btn { display:inline-block; padding:8px 12px; background:#1f567a; color:#fff; text-decoration:none; border-radius:6px; }
.btn.muted { background:#7d8db0; }
.btn.danger { background:#b23a3a; }
.alert { padding:10px; background:#fff7e6; border:1px solid #f2d8b1; border-radius:6px; }
.visits-list { list-style:none; padding:0; }
.visits-list li { padding:10px 0; border-bottom:1px solid #eef3f9; }
.visits-list a { font-weight:600; color:#1f567a; text-decoration:none; }
.meta { color:#6b7280; font-size:0.95em; }
label { display:block; margin-top:12px; }
input[type=text], input[type=date], textarea, select { width:100%; padding:8px; border:1px solid #d6dce6; border-radius:6px; }