.header{display:flex;align-items:center;justify-content:space-between;padding:0 var(--spacing-6);height:64px;background:var(--color-bg-tertiary);border-bottom:3px solid var(--color-brand-primary);position:sticky;top:0;z-index:100}.header-logo{display:flex;align-items:center;gap:var(--spacing-3);text-decoration:none;color:var(--color-text-primary)}.header-logo-image{height:32px;width:auto}.header-logo-text{display:flex;flex-direction:column;font-weight:700;font-size:var(--font-size-base);line-height:1.1;color:var(--color-brand-primary)}.header-logo-subtext{font-weight:400;font-size:var(--font-size-sm);color:var(--color-text-secondary)}.header-nav{display:flex;align-items:center;gap:var(--spacing-1)}.header-nav-link{padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-size-sm);font-weight:500;color:var(--color-text-secondary);text-decoration:none;border-radius:var(--radius-md);transition:all var(--transition-normal)}.header-nav-link:hover{color:var(--color-text-primary);background:var(--color-bg-hover)}.header-nav-link.active{color:var(--color-brand-primary);background:var(--color-brand-primary-light)}.header-right{display:flex;align-items:center;gap:var(--spacing-3)}.header-theme-toggle{display:flex;align-items:center;justify-content:center;gap:var(--spacing-1);height:36px;padding:0 var(--spacing-2);background:transparent;border:2px solid var(--color-border-secondary);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-normal)}.header-theme-label{font-size:var(--font-size-xs);font-weight:500}.header-theme-toggle:hover{background:var(--color-bg-hover);color:var(--color-brand-primary);border-color:var(--color-brand-primary)}.header-login-link{padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-size-sm);font-weight:500;color:#fff;background:var(--color-brand-primary);text-decoration:none;border-radius:var(--radius-md);transition:all var(--transition-normal)}.header-login-link:hover{background:var(--color-brand-primary-hover);box-shadow:var(--shadow-glow)}.header-user{position:relative}.header-user-button{display:flex;align-items:center;gap:var(--spacing-2);padding:var(--spacing-1) var(--spacing-2);background:transparent;border:2px solid var(--color-border-secondary);border-radius:var(--radius-md);color:var(--color-text-primary);cursor:pointer;transition:all var(--transition-normal)}.header-user-button:hover{background:var(--color-bg-hover);border-color:var(--color-brand-primary)}.header-user-name{font-size:var(--font-size-sm);font-weight:500;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.header-user-backdrop{position:fixed;inset:0;z-index:99}.header-user-menu{position:absolute;top:calc(100% + var(--spacing-2));right:0;min-width:200px;background:var(--color-bg-elevated);border:2px solid var(--color-border-primary);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);z-index:100;animation:menu-slide-in .15s ease-out}@keyframes menu-slide-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.header-user-menu-info{display:flex;flex-direction:column;padding:var(--spacing-3) var(--spacing-4)}.header-user-menu-name{font-weight:600;font-size:var(--font-size-sm);color:var(--color-text-primary)}.header-user-menu-email{font-size:var(--font-size-xs);color:var(--color-text-secondary)}.header-user-menu-role{display:inline-block;margin-top:var(--spacing-1);padding:2px var(--spacing-2);font-size:var(--font-size-xs);font-weight:500;text-transform:capitalize;color:var(--color-brand-primary);background:var(--color-brand-primary-light);border-radius:var(--radius-sm);width:fit-content}.header-user-menu-divider{height:1px;background:var(--color-border-secondary)}.header-user-menu-item{display:flex;align-items:center;gap:var(--spacing-2);width:100%;padding:var(--spacing-3) var(--spacing-4);font-size:var(--font-size-sm);color:var(--color-text-primary);background:transparent;border:none;cursor:pointer;transition:background var(--transition-normal)}.header-user-menu-item:hover{background:var(--color-bg-hover)}.header-user-menu-item svg{color:var(--color-text-secondary)}@media(max-width:768px){.header{padding:0 var(--spacing-4)}.header-logo-text,.header-user-name,.header-theme-label{display:none}}.main-layout{min-height:100vh;display:flex;flex-direction:column;background:var(--color-bg-primary)}.main-layout-body{flex:1;display:flex;overflow:hidden}.toast-container{position:fixed;bottom:var(--spacing-6);right:var(--spacing-6);z-index:2000;display:flex;flex-direction:column;gap:var(--spacing-3);max-width:420px;width:100%;pointer-events:none}.toast{display:flex;align-items:center;gap:var(--spacing-3);padding:var(--spacing-3) var(--spacing-4);border-radius:var(--radius-lg);backdrop-filter:var(--glass-blur-strong);-webkit-backdrop-filter:var(--glass-blur-strong);border:1px solid rgba(111,184,233,.2);box-shadow:var(--shadow-lg);animation:toast-slide-in .3s ease-out;pointer-events:auto;font-size:.9rem;line-height:1.4}@keyframes toast-slide-in{0%{opacity:0;transform:translate(40px) scale(.95)}to{opacity:1;transform:translate(0) scale(1)}}.toast-success{background:#10b98126;border-color:#10b98159;color:var(--color-text-primary)}.toast-success .toast-icon{color:#10b981}.toast-error{background:#ef444426;border-color:#ef444459;color:var(--color-text-primary)}.toast-error .toast-icon{color:#ef4444}.toast-warning{background:#f59e0b26;border-color:#f59e0b59;color:var(--color-text-primary)}.toast-warning .toast-icon{color:#f59e0b}.toast-info{background:#3b82f626;border-color:#3b82f659;color:var(--color-text-primary)}.toast-info .toast-icon{color:#3b82f6}.toast-icon{flex-shrink:0;display:flex;align-items:center}.toast-message{flex:1;min-width:0}.toast-action{flex-shrink:0;background:none;border:none;padding:var(--spacing-1) var(--spacing-2);border-radius:var(--radius-md);font-weight:600;font-size:.85rem;cursor:pointer;color:var(--color-primary);transition:background .15s;text-decoration:underline;text-underline-offset:2px}.toast-action:hover{background:#6fb8e91a}.toast-close{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:none;border:none;border-radius:var(--radius-sm);color:var(--color-text-tertiary);cursor:pointer;transition:color .15s,background .15s}.toast-close:hover{color:var(--color-text-primary);background:#ffffff1a}@media(max-width:640px){.toast-container{bottom:var(--spacing-4);right:var(--spacing-4);left:var(--spacing-4);max-width:none}}