*{margin:0;padding:0;box-sizing:border-box}:root{--primary: #7C6EE6;--primary-light: #A594F9;--primary-dark: #5B4EC2;--bg: #F8F6FF;--card: #FFF;--text: #2D2A3E;--text-light: #8B88A2;--success: #4CAF50;--warning: #FFA726;--danger: #EF5350;--sidebar-w: 220px}body{font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);min-height:100vh}#app{min-height:100vh}#app.app-login{display:block}#app.app-main{display:flex}.sidebar{width:var(--sidebar-w);height:100vh;background:#fff;box-shadow:2px 0 20px #7c6ee614;display:flex;flex-direction:column;position:fixed;left:0;top:0;z-index:200;transition:transform .3s ease}.sidebar-logo{padding:24px 20px 20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid #F0EEF8}.logo-icon{width:40px;height:40px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;font-size:22px;color:#fff}.sidebar-user{padding:20px;display:flex;align-items:center;gap:12px;border-bottom:1px solid #F0EEF8}.sidebar-avatar{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#a594f9,#ffb6c1);display:flex;align-items:center;justify-content:center;font-size:22px}.user-name{font-size:14px;font-weight:600}.user-status{font-size:12px;color:var(--text-light)}.sidebar-nav{flex:1;overflow-y:auto;padding:12px 10px}.nav-item{display:flex;align-items:center;gap:12px;padding:11px 16px;margin:2px 0;border-radius:12px;cursor:pointer;font-size:14px;color:var(--text);transition:all .2s;position:relative;white-space:nowrap}.nav-item:hover{background:#7c6ee60f;color:var(--primary)}.nav-item.active{background:#7c6ee61f;color:var(--primary);font-weight:600}.nav-item.active:before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:4px;height:24px;border-radius:0 4px 4px 0;background:var(--primary)}.nav-badge{margin-left:auto;background:var(--danger);color:#fff;font-size:11px;font-weight:700;min-width:20px;height:20px;border-radius:10px;display:flex;align-items:center;justify-content:center;padding:0 6px}.sidebar-footer{padding:12px 10px;border-top:1px solid #F0EEF8}.sidebar-logout-btn{width:100%;padding:11px 16px;border-radius:12px;border:none;background:transparent;color:var(--text-light);font-size:14px;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:8px}.sidebar-logout-btn:hover{background:#ef535014;color:var(--danger)}.logout-btn{color:var(--text-light);cursor:pointer;transition:color .2s}.logout-btn:hover{color:var(--danger)}.topbar-actions{display:flex;align-items:center;gap:20px}.topbar-toggle{font-size:13px;cursor:pointer;-webkit-user-select:none;user-select:none}.topbar-logout{font-size:13px}.main-wrap{flex:1;margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column;min-width:0;overflow-x:hidden}.topbar{height:64px;background:#fff;box-shadow:0 2px 12px #7c6ee60f;display:flex;align-items:center;justify-content:space-between;padding:0 32px;position:sticky;top:0;z-index:100}.page-title{font-size:20px;font-weight:700}.content-area{flex:1;padding:32px;width:100%;box-sizing:border-box;overflow-x:hidden;min-width:0}.mobile-header{display:none;position:fixed;top:0;left:0;right:0;height:56px;background:#fff;align-items:center;justify-content:space-between;padding:0 16px;box-shadow:0 2px 12px #7c6ee614;z-index:300}.menu-btn{background:none;border:none;font-size:22px;cursor:pointer;padding:8px}.header-title{font-size:17px;font-weight:700;color:var(--primary)}.mobile-header-actions{display:flex;align-items:center;gap:12px}.online-toggle{font-size:13px;cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;z-index:199}.toast-wrap{position:fixed;top:80px;right:32px;z-index:9999}.toast{padding:14px 28px;border-radius:14px;color:#fff;font-size:14px;animation:slideIn .3s ease}.toast-success{background:var(--success)}.toast-error{background:var(--danger)}@keyframes slideIn{0%{transform:translate(100%);opacity:0}to{transform:translate(0);opacity:1}}@media (max-width: 1024px){:root{--sidebar-w: 64px}.sidebar-logo{padding:16px 0;justify-content:center}.logo-text,.sidebar-user,.sidebar-footer{display:none}.nav-item{justify-content:center;padding:14px 0}.nav-badge{position:absolute;top:6px;right:6px;min-width:16px;height:16px;font-size:10px;padding:0 4px}.content-area{padding:20px}.topbar{padding:0 20px}}@media (max-width: 768px){:root{--sidebar-w: 0px}.sidebar{transform:translate(-100%);width:220px}.sidebar.mobile-open{transform:translate(0)}.sidebar.mobile-open .sidebar-footer{display:block}.mobile-header{display:flex!important}.main-wrap{margin-left:0}.topbar{display:none}.content-area{padding:72px 12px 12px}}