* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif; background: #f4f6fb; color: #16233d; }
a { color: #2463d4; text-decoration: none; }
a:hover { text-decoration: underline; }

.center-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.card { background: #fff; border-radius: 16px; box-shadow: 0 12px 30px rgba(23,43,77,.08); padding: 32px; width: 100%; max-width: 380px; }
.card h1 { font-size: 20px; margin: 0 0 20px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; color: #57678a; margin-bottom: 6px; }
.field input, .field select { width: 100%; padding: 10px 12px; border: 1px solid #d4dce8; border-radius: 8px; font: inherit; }
.field input:focus, .field select:focus { outline: none; border-color: #2463d4; }
button { cursor: pointer; border: 1px solid #d4dce8; background: #fff; border-radius: 8px; padding: 9px 16px; font: inherit; color: #16233d; }
button.primary { background: #2463d4; border-color: #2463d4; color: #fff; width: 100%; padding: 11px; font-weight: 600; }
button.primary:hover { background: #1d52b3; }
button.danger { color: #b42318; border-color: #f2c1bc; }
button.danger:hover { background: #fdf1f0; }
button:disabled { opacity: .5; cursor: not-allowed; }
.error-msg { color: #b42318; font-size: 13px; min-height: 18px; margin-top: 8px; }
.hint { color: #7c8aab; font-size: 13px; }

main { max-width: 1080px; margin: 0 auto; padding: 32px 24px; }
header.top { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
header.top h1 { font-size: 22px; margin: 0; }
header.top .nav { display: flex; gap: 16px; align-items: center; font-size: 14px; }
.eyebrow { color: #7c8aab; font-size: 13px; margin: 0 0 4px; }

.tool-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 16px; }
.tool-card { background: #fff; border-radius: 14px; padding: 20px; box-shadow: 0 8px 20px rgba(23,43,77,.06); }
.tool-card h3 { margin: 0 0 8px; font-size: 16px; }
.tool-card p { margin: 0 0 16px; color: #57678a; font-size: 13px; }

.section-card { background: #fff; border-radius: 14px; padding: 20px 24px; box-shadow: 0 8px 20px rgba(23,43,77,.06); margin-bottom: 20px; }
.section-card h2 { font-size: 16px; margin: 0 0 14px; }
.stat-row { display: flex; gap: 20px; margin-bottom: 20px; }
.stat { background: #fff; border-radius: 14px; padding: 18px 22px; box-shadow: 0 8px 20px rgba(23,43,77,.06); flex: 1; }
.stat .num { font-size: 28px; font-weight: 700; }
.stat .label { color: #7c8aab; font-size: 13px; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
table th { text-align: left; color: #57678a; font-weight: 600; padding: 8px; border-bottom: 2px solid #edf1f6; white-space: nowrap; }
table td { padding: 8px; border-bottom: 1px solid #edf1f6; white-space: nowrap; }
.badge { display: inline-block; padding: 2px 8px; border-radius: 999px; font-size: 12px; }
.badge.ok { background: #e3f6e8; color: #1a7f37; }
.badge.fail { background: #fdecea; color: #b42318; }
.badge.admin { background: #e8effd; color: #2463d4; }
.badge.disabled { background: #f1f1f1; color: #888; }

.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar input, .toolbar select { padding: 7px 10px; border: 1px solid #d4dce8; border-radius: 7px; font: inherit; }
.admin-tabs { display: flex; gap: 6px; margin-bottom: 20px; }
.admin-tabs a { padding: 7px 14px; border-radius: 8px; color: #57678a; font-size: 14px; }
.admin-tabs a.active { background: #2463d4; color: #fff; }