:root{--bg-page:#0f0f1e;--bg-card:#1a1a2e;--bg-card-alt:#16213e;--accent:#00d9ff;--accent-dark:#09c;--online:#07c160;--danger:#ff6464;--text-main:#fff;--text-sub:#999;--text-faint:#666;--border-soft:hsla(0,0%,100%,.1)}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--bg-page);color:var(--text-main);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}#app,.app-shell{min-height:100vh}.app-shell,.sidebar{display:flex}.sidebar{width:220px;flex-shrink:0;background:linear-gradient(180deg,#1a1a2e,#16213e);border-right:1px solid var(--border-soft);flex-direction:column;padding:24px 0}.brand{display:flex;align-items:center;gap:8px;padding:0 24px 24px;font-size:18px;font-weight:700;color:var(--accent);border-bottom:1px solid var(--border-soft);margin-bottom:16px}.nav-list{flex:1;display:flex;flex-direction:column;gap:4px;padding:0 12px}.nav-item{display:flex;align-items:center;gap:10px;padding:12px 16px;border-radius:8px;color:var(--text-sub);text-decoration:none;font-size:14px;transition:background .2s,color .2s}.nav-icon{font-size:16px}.nav-item:hover{background:rgba(0,217,255,.06);color:var(--text-main)}.nav-item.router-link-active{background:rgba(0,217,255,.12);color:var(--accent);font-weight:600}.sidebar-footer{padding:16px 20px 0;border-top:1px solid var(--border-soft);margin-top:16px}.user-info{gap:10px;margin-bottom:14px}.user-avatar,.user-info{display:flex;align-items:center}.user-avatar{width:36px;height:36px;border-radius:50%;background:rgba(0,217,255,.15);color:var(--accent);justify-content:center;font-weight:700;overflow:hidden;flex-shrink:0}.user-avatar img{width:100%;height:100%;-o-object-fit:cover;object-fit:cover}.user-name{font-size:14px;color:var(--text-main);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.logout-btn{width:100%;padding:10px 0;background:hsla(0,100%,70%,.08);border:1px solid hsla(0,100%,70%,.25);color:var(--danger);border-radius:8px;font-size:13px;cursor:pointer}.logout-btn:hover{background:hsla(0,100%,70%,.15)}.main-content{flex:1;min-width:0;padding:32px 40px;overflow-y:auto}.card{background:linear-gradient(135deg,#1a1a2e,#16213e);border-radius:16px;padding:24px;box-shadow:0 4px 20px rgba(0,217,255,.06)}.page-title{font-size:24px;font-weight:700;color:var(--text-main);margin:0 0 24px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:8px;font-size:14px;font-weight:600;border:none;cursor:pointer;transition:opacity .15s,transform .15s}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:linear-gradient(135deg,#00d9ff,#09c);color:#fff}.btn-secondary{background:hsla(0,0%,100%,.06);border:1px solid var(--border-soft);color:var(--text-main)}.btn-danger{background:hsla(0,100%,70%,.1);border:1px solid hsla(0,100%,70%,.3);color:var(--danger)}.input{width:100%;background:hsla(0,0%,100%,.05);border:1px solid var(--border-soft);border-radius:8px;padding:10px 14px;font-size:14px;color:var(--text-main)}.input::-moz-placeholder{color:var(--text-faint)}.input::placeholder{color:var(--text-faint)}.input:focus{outline:none;border-color:rgba(0,217,255,.4)}.modal-mask{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:1000}.modal-content{background:linear-gradient(135deg,#1a1a2e,#16213e);border-radius:16px;width:420px;max-width:90vw;max-height:80vh;overflow-y:auto;padding:28px;box-shadow:0 8px 32px rgba(0,0,0,.5)}.modal-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.modal-title{font-size:18px;font-weight:700;color:var(--text-main)}.modal-close{cursor:pointer;color:var(--text-sub);font-size:18px}.modal-footer{display:flex;justify-content:flex-end;gap:12px;margin-top:24px}