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var(--color-border);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;width:240px;z-index:100;transition:width var(--transition-normal);overflow:hidden}.app-shell.collapsed .sidebar{width:64px}.sidebar-top{display:flex;align-items:center;justify-content:space-between;padding:var(--space-5) var(--space-4);border-bottom:1px solid var(--color-border);min-height:60px;flex-shrink:0}.sidebar-logo{display:flex;align-items:center;gap:var(--space-3);overflow:hidden}.sidebar-logo-icon{font-size:20px;flex-shrink:0;filter:drop-shadow(0 0 6px rgba(79,110,247,.5))}.sidebar-logo-text{font-size:var(--font-size-lg);font-weight:var(--font-weight-bold);background:var(--gradient-brand);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;white-space:nowrap;letter-spacing:-.3px}.sidebar-collapse-btn{background:none;border:1px solid var(--color-border);color:var(--color-text-muted);width:24px;height:24px;border-radius:var(--radius-sm);font-size:14px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all var(--transition-fast)}.sidebar-collapse-btn:hover{background:var(--color-bg-hover);color:var(--color-text-primary);border-color:var(--color-border-focus)}.compose-btn{margin:var(--space-4);padding:10px var(--space-4);background:var(--gradient-brand);color:#fff;border:none;border-radius:var(--radius-md);font-size:var(--font-size-sm);font-weight:var(--font-weight-semibold);display:flex;align-items:center;gap:var(--space-2);transition:all var(--transition-fast);box-shadow:0 2px 10px #4f6ef74d;white-space:nowrap;overflow:hidden;flex-shrink:0}.compose-btn:hover{transform:translateY(-1px);box-shadow:0 4px 16px #4f6ef773}.compose-icon{font-size:14px;flex-shrink:0}.app-shell.collapsed .compose-btn{justify-content:center;padding:10px;margin:var(--space-4) var(--space-2)}.sidebar-nav{flex:1;overflow-y:auto;padding:var(--space-2) var(--space-2);display:flex;flex-direction:column;gap:2px}.sidebar-nav-item{display:flex;align-items:center;gap:var(--space-3);padding:9px var(--space-3);border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);text-decoration:none;transition:all var(--transition-fast);white-space:nowrap;overflow:hidden;position:relative}.sidebar-nav-item:hover{background:var(--color-bg-hover);color:var(--color-text-primary)}.sidebar-nav-item.active{background:var(--color-accent-muted);color:var(--color-accent)}.sidebar-nav-item.active:before{content:"";position:absolute;left:0;top:20%;bottom:20%;width:3px;background:var(--color-accent);border-radius:0 2px 2px 0}.app-shell.collapsed .sidebar-nav-item{justify-content:center;padding:9px}.nav-icon{font-size:16px;flex-shrink:0;line-height:1}.nav-label{flex:1}.nav-badge{background:var(--color-accent);color:#fff;font-size:10px;font-weight:var(--font-weight-bold);padding:2px 6px;border-radius:var(--radius-full);line-height:1.4}.sidebar-divider{height:1px;background:var(--color-border);margin:var(--space-2) var(--space-4);flex-shrink:0}.sidebar-user-wrap{padding:var(--space-3) var(--space-2);border-top:1px solid var(--color-border);position:relative;flex-shrink:0}.sidebar-user-btn{width:100%;display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-2);background:none;border:none;border-radius:var(--radius-md);text-align:left;cursor:pointer;transition:background var(--transition-fast);overflow:hidden}.sidebar-user-btn:hover{background:var(--color-bg-hover)}.user-avatar{width:34px;height:34px;border-radius:50%;background:var(--gradient-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-size:var(--font-size-sm);font-weight:var(--font-weight-bold);flex-shrink:0}.user-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}.user-name{font-size:var(--font-size-sm);font-weight:var(--font-weight-medium);color:var(--color-text-primary);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-tenant{font-size:var(--font-size-xs);color:var(--color-text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.plan-tag{color:var(--color-accent);font-weight:var(--font-weight-medium)}.user-menu{position:absolute;bottom:calc(100% + 8px);left:var(--space-2);right:var(--space-2);background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);padding:var(--space-2);z-index:200;animation:fade-in .15s ease-out}.user-menu-header{padding:var(--space-3) var(--space-3);display:flex;flex-direction:column;gap:2px}.user-menu-email{font-size:var(--font-size-sm);color:var(--color-text-primary);font-weight:var(--font-weight-medium);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu-plan{font-size:var(--font-size-xs);color:var(--color-text-muted)}.user-menu-divider{height:1px;background:var(--color-border);margin:var(--space-1) 0}.user-menu-item{width:100%;display:flex;align-items:center;gap:var(--space-2);padding:9px var(--space-3);border:none;background:none;border-radius:var(--radius-md);font-size:var(--font-size-sm);color:var(--color-text-secondary);text-align:left;cursor:pointer;transition:all var(--transition-fast)}.user-menu-item:hover{background:var(--color-bg-hover);color:var(--color-text-primary)}.user-menu-item--danger{color:var(--color-error)}.user-menu-item--danger:hover{background:var(--color-error-muted)}.app-main{margin-left:240px;min-height:100dvh;display:flex;flex-direction:column;transition:margin-left var(--transition-normal)}.app-shell.collapsed .app-main{margin-left:64px}@media(max-width:768px){.app-shell{grid-template-columns:1fr}.sidebar{width:100%;position:relative;height:auto}.app-main{margin-left:0}}