.alert{padding:12px 16px;border-radius:8px;margin-bottom:16px}
.alert-info{background:#e8f4fd;color:#0b5cab}
.alert-success{background:#e7f7ee;color:#137333}
.alert-error{background:#fdecea;color:#c5221f}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;background:#f5f7fb;color:#1f2937}
.topbar{display:flex;align-items:center;gap:24px;padding:0 24px;height:56px;background:#1e293b;color:#fff}
.topbar a{color:#cbd5e1;text-decoration:none;margin-right:16px}
.topbar a.active,.topbar a:hover{color:#fff}
.brand{font-weight:700;font-size:18px;margin-right:24px}
.user{margin-left:auto;color:#cbd5e1}
.container{max-width:1200px;margin:24px auto;padding:0 16px 48px}
.card{background:#fff;border-radius:12px;padding:20px;box-shadow:0 1px 3px rgba(0,0,0,.08);margin-bottom:20px}
h1,h2{margin:0 0 16px;font-size:22px}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 12px;border-bottom:1px solid #e5e7eb;text-align:left;vertical-align:top;font-size:14px}
th{background:#f8fafc}
.btn{display:inline-block;padding:8px 14px;border-radius:8px;border:none;background:#2563eb;color:#fff;text-decoration:none;cursor:pointer;font-size:14px}
.btn-secondary{background:#64748b}
.btn-danger{background:#dc2626}
.btn-sm{padding:4px 10px;font-size:12px}
.btn:disabled{background:#94a3b8;cursor:not-allowed}
.form-row{margin-bottom:14px}
label{display:block;margin-bottom:6px;font-weight:600}
input[type=text],input[type=number],input[type=time],select,textarea{width:100%;padding:8px 10px;border:1px solid #d1d5db;border-radius:8px}
textarea{min-height:120px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.stat{padding:16px;background:#f8fafc;border-radius:10px}
.stat .num{font-size:28px;font-weight:700;color:#2563eb}
.progress{height:10px;background:#e5e7eb;border-radius:999px;overflow:hidden}
.progress>span{display:block;height:100%;background:#2563eb}
.meta{color:#64748b;font-size:13px}
.tag{display:inline-block;padding:2px 8px;border-radius:999px;background:#eef2ff;color:#3730a3;font-size:12px}
.footer{text-align:center;color:#94a3b8;padding:24px}
.actions form{display:inline}
.actions-col{min-width:280px}
.actions-col .btn{margin:2px 2px 2px 0}
.batch-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 16px;margin-top:16px}
.search-bar{display:flex;gap:8px;align-items:center;margin-bottom:16px;flex-wrap:wrap}
.search-bar input[type=text]{flex:1;min-width:200px;max-width:360px}
.word-edit-form{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.word-edit-input{flex:1;min-width:120px;max-width:240px}
.pagination a{margin:0 2px}
.login-page{background:#eef2f7;min-height:100vh}
.login-wrap{max-width:420px;margin:0 auto;padding:48px 16px}
.login-card h1{font-size:20px;margin-bottom:8px}
.login-btn{width:100%;margin-top:8px}
.login-hint{margin-top:12px;text-align:center}