:root{font-family:system-ui,"Microsoft YaHei",sans-serif;color:#1f2937;background:#f3f5f9}body{margin:0}.wrap{max-width:1120px;margin:32px auto;padding:0 20px}h1{font-size:28px;margin-bottom:8px}h2{font-size:19px}.muted{color:#64748b}.card{padding:24px;background:white;border:1px solid #e1e7f0;border-radius:12px;margin:18px 0}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}input,select,button,textarea{font:inherit;padding:10px 12px;border:1px solid #cbd5e1;border-radius:8px}input,select,textarea{max-width:100%;box-sizing:border-box}.field{display:block;margin:12px 0}.field input,.field select,.field textarea{display:block;width:100%;margin-top:6px}button{background:#2563eb;color:white;cursor:pointer;border-color:transparent}button.secondary{background:#eef2f7;color:#334155}button:disabled{opacity:.55;cursor:wait}.hidden{display:none!important}#message{white-space:pre-wrap;border-left:4px solid #2563eb;padding:12px 16px;background:#eff6ff;margin:16px 0;overflow-wrap:anywhere}#message:empty{display:none}.auth-panel{max-width:620px;margin:24px auto}.auth-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;background:#eef2f7;padding:4px;border-radius:8px}.auth-tab{background:transparent;color:#64748b}.auth-tab.active{background:#2563eb;color:white}.auth-view{padding-top:10px}.question-box{margin:14px 0;padding:12px;background:#f7f9fc;border:1px solid #e1e7f0;border-radius:6px;color:#33415c}.danger-note{color:#a72b2b;font-size:14px}.kv{display:grid;grid-template-columns:150px 1fr;gap:8px;padding:9px 0;border-bottom:1px solid #eef1f6}.scroll{overflow:auto}table{width:100%;border-collapse:collapse;font-size:14px}th,td{padding:10px;text-align:left;border-bottom:1px solid #e8edf5;white-space:nowrap}th{background:#f7f9fc}.pager{display:flex;align-items:center;gap:12px;margin-top:12px}pre{white-space:pre-wrap;word-break:break-all}a{color:#2563eb}.modal{position:fixed;inset:0;background:rgba(20,31,54,.5);display:flex;align-items:center;justify-content:center;padding:20px;z-index:1000}.modal-card{width:min(520px,100%);max-height:80vh;overflow:auto;background:#fff;border-radius:10px;padding:24px;box-shadow:0 20px 60px rgba(20,31,54,.25)}.modal-text{white-space:pre-wrap;line-height:1.7;overflow-wrap:anywhere}.modal-actions{justify-content:flex-end;margin-top:20px}
#users table{min-width:1250px}#users th:first-child,#users td:first-child{position:sticky;left:0;z-index:2;background:#fff;min-width:140px;max-width:140px;overflow:hidden;text-overflow:ellipsis}#users th:last-child,#users td:last-child{position:sticky;right:0;z-index:2;background:#fff;min-width:166px;width:166px}#users th:first-child,#users th:last-child{z-index:3;background:#f7f9fc}.user-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:3px}.user-actions button{font-size:12px;padding:5px 3px;white-space:nowrap}

body{line-height:1.55}h1{color:#0f172a;letter-spacing:-.5px}h2{color:#1e293b;margin-top:24px}.card{box-shadow:0 3px 12px rgba(15,23,42,.025)}
button{transition:background .15s,box-shadow .15s;font-weight:600}button:hover{background:#1d4ed8}button.secondary:hover{background:#e2e8f0}.auth-tab:hover{background:#e2e8f0}.auth-tab.active:hover{background:#1d4ed8}
input,select,textarea{background:#fff;color:#1f2937}input:focus,select:focus,textarea:focus{outline:2px solid #93c5fd;outline-offset:1px;border-color:#2563eb}button:focus-visible,a:focus-visible{outline:3px solid #93c5fd;outline-offset:3px}
button.danger{color:#b91c1c;background:#fef2f2;border:1px solid #fecaca}button.danger:hover{background:#fee2e2}.danger-note{color:#b45309}
.notice{padding:12px 16px;border-radius:8px;margin:12px 0}.notice.success{background:#ecfdf5;color:#166534}.notice.warning{background:#fffbeb;color:#92400e}
.auth-view>button[data-action="login"],.auth-view>button[data-action="register"]{width:100%;margin-top:10px}
#message{position:sticky;top:8px;z-index:5;border-radius:8px}#dashboard>.row{margin-top:20px}.modal-card{border:1px solid #e2e8f0}.user-actions button{min-height:30px}.scroll{border:1px solid #e2e8f0;border-radius:8px}
@media(max-width:640px){.wrap{margin:18px auto;padding:0 12px}.card{padding:18px}h1{font-size:23px}.kv{grid-template-columns:110px 1fr}.row input{flex:1;min-width:0}.auth-tab{padding:10px 6px}.modal{padding:12px}.modal-card{padding:18px}.modal-actions button{flex:1}}