body { font-family: Arial, sans-serif; background:#f5f5f5; margin:0; color:#222; }
header { background:#333; color:#fff; padding:10px 16px; display:flex; gap:14px; align-items:center; }
header a { color:#fff; text-decoration:none; }
main { padding:20px; max-width:1100px; margin:0 auto; }
ul { list-style:none; padding:0; }
li { margin:5px 0; }
.flashes { background:#fff8c4; padding:10px; border:1px solid #e0c; margin-bottom:12px; }
.table { border-collapse: collapse; width:100%; margin-top:10px; }
.table, .table th, .table td { border:1px solid #999; padding:8px; vertical-align:middle; }
.btn { display:inline-block; padding:6px 10px; background:#444; color:#fff; border-radius:4px; text-decoration:none; border:0; cursor:pointer; }
.btn.danger { background:#8a1f1f; }
.mt8 { margin-top:8px; }
.inline { display:inline-block; margin-right:8px; }
input[type="text"], select, input[type="file"] { padding:6px; border-radius:4px; border:1px solid #bbb; }
form.inline input[type="text"] { min-width:220px; }