:root { --accent: #0a7; --danger: #c33; --line: #d0d4d8; --muted: #667; --bg: #f6f7f8; }
* { box-sizing: border-box; }
body { font-family: system-ui, "Hiragino Sans", "Yu Gothic UI", sans-serif; margin: 0; background: var(--bg); color: #222; }
header { background: #fff; border-bottom: 1px solid var(--line); padding: 10px 16px; display: flex; align-items: center; gap: 16px; }
header .brand { font-weight: 700; }
header .spacer { flex: 1; }
header a { color: var(--muted); text-decoration: none; font-size: 14px; }
main { max-width: 860px; margin: 20px auto; padding: 0 16px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 16px; margin-bottom: 16px; }
h2 { font-size: 16px; margin: 0 0 12px; }
label { display: block; margin: 8px 0 4px; font-size: 14px; color: var(--muted); }
input, select { width: 100%; padding: 9px; font-size: 16px; border: 1px solid var(--line); border-radius: 6px; }
button { padding: 9px 14px; font-size: 15px; border-radius: 6px; border: 1px solid #999; background: #f4f4f4; cursor: pointer; }
button.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
button.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--muted); font-size: 13px; }
.err { color: var(--danger); font-size: 14px; min-height: 1.2em; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); }
.badge { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 12px; background: #eee; }
.badge.ok { background: #d7f5e9; color: #075; }
.badge.ng { background: #fde2e2; color: #a22; }