/* 管理后台公共样式 */
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; background: #f2f5fa; color: #2c3550; font-size: 14px; }
a { color: #1a3d8f; text-decoration: none; }
a:hover { opacity: .85; }

/* 顶栏 */
.topbar { background: linear-gradient(135deg, #0c2a66, #1a47a8); color: #fff; padding: 0 24px; display: flex; align-items: center; height: 56px; box-shadow: 0 2px 10px rgba(10,40,110,.25); position: sticky; top: 0; z-index: 50; }
.topbar .brand { font-size: 16px; font-weight: bold; letter-spacing: 1px; margin-right: 34px; white-space: nowrap; }
.topbar nav { flex: 1; display: flex; gap: 4px; overflow-x: auto; }
.topbar nav a { color: rgba(255,255,255,.75); padding: 8px 14px; border-radius: 8px; white-space: nowrap; font-size: 14px; }
.topbar nav a:hover { color: #fff; background: rgba(255,255,255,.1); opacity: 1; }
.topbar nav a.on { color: #fff; background: rgba(255,255,255,.18); font-weight: bold; }
.topbar .right { display: flex; gap: 10px; align-items: center; white-space: nowrap; }
.topbar .right a { color: rgba(255,255,255,.8); font-size: 13px; }

.container { max-width: 1200px; margin: 24px auto; padding: 0 20px; }
.page-title { font-size: 20px; font-weight: bold; color: #16295c; margin-bottom: 18px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* 卡片 */
.card { background: #fff; border-radius: 12px; padding: 20px 22px; box-shadow: 0 2px 12px rgba(20,40,90,.06); margin-bottom: 18px; }
.card h3 { font-size: 15px; color: #1a3d8f; margin-bottom: 14px; padding-left: 9px; border-left: 4px solid #1a3d8f; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 900px) { .grid2 { grid-template-columns: 1fr; } }

/* 提示条 */
.flash { padding: 11px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.flash.ok { background: #e8f7ee; color: #1e8e4d; border: 1px solid #bfe8cf; }
.flash.err { background: #fdecea; color: #b71c1c; border: 1px solid #f5c6c3; }

/* 表格 */
table.list { width: 100%; border-collapse: collapse; }
table.list th, table.list td { padding: 10px 12px; text-align: left; border-bottom: 1px solid #eef1f7; }
table.list th { background: #f7f9fd; font-weight: bold; font-size: 13px; color: #5a6580; }
table.list tr:hover td { background: #fafbfe; }
table.list td.num { font-variant-numeric: tabular-nums; }

/* 按钮 */
.btn { display: inline-block; padding: 8px 18px; border-radius: 8px; border: 1px solid #c9d2e3; background: #fff; color: #2c3550; font-size: 14px; cursor: pointer; text-align: center; }
.btn:hover { border-color: #1a3d8f; color: #1a3d8f; opacity: 1; }
.btn-primary { background: linear-gradient(135deg, #1a3d8f, #2b5cc9); border: none; color: #fff; }
.btn-primary:hover { color: #fff; opacity: .9; }
.btn-danger { background: #fff; border: 1px solid #e3b4b0; color: #c0392b; }
.btn-danger:hover { border-color: #c0392b; color: #c0392b; background: #fdf3f2; }
.btn-warn { background: #fff7e8; border: 1px solid #eccb8a; color: #b07207; }
.btn-sm { padding: 4px 12px; font-size: 13px; border-radius: 6px; }
.btn-lg { padding: 12px 30px; font-size: 16px; }
.btn-green { background: linear-gradient(135deg, #1e8e4d, #2fae66); border: none; color: #fff; }
.btn-green:hover { color: #fff; }

/* 表单 */
label.fl { display: block; font-size: 13px; color: #5a6580; margin: 12px 0 5px; }
input.fi, select.fi, textarea.fi { width: 100%; padding: 9px 12px; border: 1px solid #d5dbe7; border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff; }
input.fi:focus, select.fi:focus, textarea.fi:focus { outline: none; border-color: #1a3d8f; }
.form-row { display: flex; gap: 14px; }
.form-row > div { flex: 1; }
.fi-color { width: 60px; height: 38px; padding: 3px; border: 1px solid #d5dbe7; border-radius: 8px; background: #fff; }
.help { font-size: 12px; color: #98a1b3; margin-top: 4px; line-height: 1.6; }

/* 徽章 */
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; }
.badge-blue { background: #eef3ff; color: #1a3d8f; }
.badge-gold { background: #fff3d6; color: #b07207; }
.badge-green { background: #e8f7ee; color: #1e8e4d; }
.badge-gray { background: #eef0f5; color: #8a93a6; }
.badge-red { background: #fdecea; color: #b71c1c; }

/* 选项卡 */
.tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.tabs a { padding: 9px 22px; border-radius: 9px; background: #fff; border: 1px solid #dfe5f0; color: #5a6580; }
.tabs a.on { background: #1a3d8f; border-color: #1a3d8f; color: #fff; font-weight: bold; }

/* 控制台专用 */
.status-strip { display: flex; gap: 14px; flex-wrap: wrap; }
.stat-box { flex: 1; min-width: 180px; background: #fff; border-radius: 12px; padding: 16px 20px; box-shadow: 0 2px 12px rgba(20,40,90,.06); }
.stat-box .k { font-size: 13px; color: #8a93a6; }
.stat-box .v { font-size: 22px; font-weight: bold; color: #16295c; margin-top: 6px; }
.stat-box .v.accent { color: #d9880c; }
.contest-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 12px; }
.ct-card { border: 1.5px solid #e3e8f2; border-radius: 10px; padding: 13px 14px; background: #fff; position: relative; }
.ct-card.current { border-color: #1a3d8f; background: #f4f8ff; box-shadow: 0 0 0 2px rgba(26,61,143,.12); }
.ct-card .cname { font-weight: bold; font-size: 15px; color: #16295c; margin: 2px 0 8px; }
.ct-card .cnum { font-size: 12px; color: #8a93a6; }
.ct-card .cur-flag { position: absolute; top: 10px; right: 10px; font-size: 11px; background: #1a3d8f; color: #fff; border-radius: 4px; padding: 2px 7px; }
.inline-form { display: inline; }

.progress-table td .bar { height: 6px; background: #eef1f7; border-radius: 3px; overflow: hidden; margin-top: 5px; }
.progress-table td .bar i { display: block; height: 100%; background: linear-gradient(90deg, #2b5cc9, #37e07c); }

/* 登录页 */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: linear-gradient(150deg, #071c4d, #123c8f); }
.login-card { width: 380px; max-width: 92%; background: #fff; border-radius: 14px; padding: 38px 34px; box-shadow: 0 24px 70px rgba(0,10,50,.45); }
.login-card h1 { font-size: 19px; text-align: center; color: #16295c; line-height: 1.6; }
.login-card .s { text-align: center; color: #98a1b3; font-size: 13px; margin: 6px 0 20px; }

@media print {
    .topbar, .no-print { display: none !important; }
    body { background: #fff; }
}