* { box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", sans-serif; margin: 0; background:#f5f7fa; color:#222; }

/* 登录页 */
.login-body { display:flex; align-items:center; justify-content:center; min-height:100vh; background:linear-gradient(135deg,#5b8def,#9d6cff); }
.login-card { background:#fff; padding:32px 28px; border-radius:12px; width:340px; box-shadow:0 10px 30px rgba(0,0,0,.15); display:flex; flex-direction:column; gap:14px; }
.login-card h2 { margin:0 0 6px; text-align:center; }
.login-card label { display:flex; flex-direction:column; gap:6px; font-size:14px; }
.login-card input[type="text"], .login-card input[type="password"], .login-card input { padding:8px 10px; border:1px solid #ddd; border-radius:6px; font-size:14px; }
.login-card .remember { flex-direction:row; align-items:center; gap:6px; }
.login-card button { padding:10px; background:#5b8def; color:#fff; border:none; border-radius:6px; cursor:pointer; font-size:15px; }
.login-card button:hover { background:#4974d8; }
.error { color:#d33; font-size:13px; min-height:1em; margin:0; text-align:center; }

/* 主页面 */
.topbar { display:flex; justify-content:space-between; align-items:center; padding:14px 24px; background:#fff; border-bottom:1px solid #e5e7eb; }
.topbar h1 { font-size:18px; margin:0; }
.topbar-right { display:flex; align-items:center; gap:12px; }
.user-menu { position:relative; display:inline-block; }
.user-label { cursor:pointer; padding:6px 10px; border-radius:6px; font-size:14px; color:#333; display:inline-block; }
.user-menu:hover .user-label { background:#f0f3f8; }
.user-dropdown { position:absolute; top:100%; right:0; background:#fff; border:1px solid #e5e7eb; border-radius:6px; box-shadow:0 4px 12px rgba(0,0,0,.08); min-width:120px; padding:4px 0; display:none; z-index:10; }
.user-menu:hover .user-dropdown, .user-menu:focus-within .user-dropdown { display:block; }
.dropdown-item { display:block; width:100%; text-align:left; padding:8px 14px; background:none; border:none; cursor:pointer; font-size:14px; color:#333; }
.dropdown-item:hover { background:#f5f7fa; color:#5b8def; }
.link-btn { background:none; border:none; color:#5b8def; cursor:pointer; font-size:14px; }
.panel { background:#fff; margin:16px 24px; padding:18px 22px; border-radius:10px; box-shadow:0 1px 3px rgba(0,0,0,.04); }
.panel h2 { margin:0 0 12px; font-size:16px; }
.chart-wrap { max-width:420px; margin:0 auto; height:280px; position:relative; }
.charts-row { display:flex; gap:24px; flex-wrap:wrap; justify-content:center; }
.chart-cell { flex:1 1 360px; min-width:300px; }
.chart-cell h3 { font-size:14px; font-weight:600; margin:0 0 8px; text-align:center; color:#555; }
.toolbar { display:flex; gap:10px; align-items:center; margin:8px 0; }
.toolbar button, #add-btn, #save-tools-btn { padding:6px 14px; background:#5b8def; color:#fff; border:none; border-radius:5px; cursor:pointer; }
.toolbar button:hover, #add-btn:hover { background:#4974d8; }
table { width:100%; border-collapse:collapse; font-size:14px; }
th, td { border-bottom:1px solid #eee; padding:8px 10px; text-align:left; }
th { background:#fafbfc; font-weight:600; }
th.sortable { cursor:pointer; user-select:none; }
th.sortable:hover { background:#f0f3f8; }
th.sortable .sort-ind { color:#aaa; font-size:11px; margin-left:4px; }
th.sortable.active .sort-ind { color:#5b8def; }
td .row-action { color:#5b8def; cursor:pointer; margin-right:8px; background:none; border:none; font-size:13px; }
td .row-action.danger { color:#d33; }
.pager { display:flex; justify-content:center; align-items:center; gap:14px; margin-top:12px; font-size:14px; }
.pager button { padding:5px 12px; }
.muted { color:#888; font-size:12px; }

textarea { width:100%; padding:10px; border:1px solid #ddd; border-radius:6px; font-family:inherit; font-size:14px; resize:vertical; }

dialog { border:none; border-radius:10px; padding:22px; min-width:320px; box-shadow:0 10px 30px rgba(0,0,0,.2); }
dialog form { display:flex; flex-direction:column; gap:12px; }
dialog label { display:flex; flex-direction:column; gap:4px; font-size:14px; }
dialog input, dialog select { padding:7px 9px; border:1px solid #ddd; border-radius:5px; font-size:14px; }
dialog menu { display:flex; justify-content:flex-end; gap:10px; padding:0; margin:6px 0 0; }
dialog button { padding:6px 14px; border-radius:5px; border:1px solid #ccc; background:#fff; cursor:pointer; }
dialog button[type="submit"] { background:#5b8def; color:#fff; border-color:#5b8def; }