.header{padding:0 var(--spacing-6);background:var(--color-bg-tertiary);border-bottom:3px solid var(--color-brand-primary);z-index:100;justify-content:space-between;align-items:center;height:64px;display:flex;position:sticky;top:0}.header-logo{align-items:center;gap:var(--spacing-3);color:var(--color-text-primary);text-decoration:none;display:flex}.header-logo-image{width:auto;height:32px}.header-logo-text{font-weight:700;font-size:var(--font-size-base);color:var(--color-brand-primary);flex-direction:column;line-height:1.1;display:flex}.header-logo-subtext{font-weight:400;font-size:var(--font-size-sm);color:var(--color-text-secondary)}.header-nav{align-items:center;gap:var(--spacing-1);display:flex}.header-nav-link{padding:var(--spacing-2) var(--spacing-4);font-size:var(--font-size-sm);color:var(--color-text-secondary);border-radius:var(--radius-md);transition:all var(--transition-normal);font-weight:500;text-decoration:none}.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{align-items:center;gap:var(--spacing-3);display:flex}.header-theme-toggle{justify-content:center;align-items:center;gap:var(--spacing-1);height:36px;padding:0 var(--spacing-2);border:2px solid var(--color-border-secondary);border-radius:var(--radius-md);color:var(--color-text-secondary);cursor:pointer;transition:all var(--transition-normal);background:0 0;display:flex}.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);color:#fff;background:var(--color-brand-primary);border-radius:var(--radius-md);transition:all var(--transition-normal);font-weight:500;text-decoration:none}.header-login-link:hover{background:var(--color-brand-primary-hover);box-shadow:var(--shadow-glow)}.header-user{position:relative}.header-user-button{align-items:center;gap:var(--spacing-2);padding:var(--spacing-1) var(--spacing-2);border:2px solid var(--color-border-secondary);border-radius:var(--radius-md);color:var(--color-text-primary);cursor:pointer;transition:all var(--transition-normal);background:0 0;display:flex}.header-user-button:hover{background:var(--color-bg-hover);border-color:var(--color-brand-primary)}.header-user-name{font-size:var(--font-size-sm);text-overflow:ellipsis;white-space:nowrap;max-width:120px;font-weight:500;overflow:hidden}.header-user-backdrop{z-index:99;position:fixed;inset:0}.header-user-menu{top:calc(100% + var(--spacing-2));background:var(--color-bg-elevated);border:2px solid var(--color-border-primary);border-radius:var(--radius-lg);min-width:200px;box-shadow:var(--shadow-lg);z-index:100;animation:.15s ease-out menu-slide-in;position:absolute;right:0}@keyframes menu-slide-in{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.header-user-menu-info{padding:var(--spacing-3) var(--spacing-4);flex-direction:column;display:flex}.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{margin-top:var(--spacing-1);padding:2px var(--spacing-2);font-size:var(--font-size-xs);text-transform:capitalize;color:var(--color-brand-primary);background:var(--color-brand-primary-light);border-radius:var(--radius-sm);width:fit-content;font-weight:500;display:inline-block}.header-user-menu-divider{background:var(--color-border-secondary);height:1px}.header-user-menu-item{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);cursor:pointer;transition:background var(--transition-normal);background:0 0;border:none;display:flex}.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{background:var(--color-bg-primary);flex-direction:column;min-height:100vh;display:flex}.main-layout-body{flex:1;display:flex;overflow:hidden}.toast-container{bottom:var(--spacing-6);right:var(--spacing-6);z-index:2000;gap:var(--spacing-3);pointer-events:none;flex-direction:column;width:100%;max-width:420px;display:flex;position:fixed}.toast{align-items:center;gap:var(--spacing-3);padding:var(--spacing-3) var(--spacing-4);border-radius:var(--radius-lg);-webkit-backdrop-filter:var(--glass-blur-strong);box-shadow:var(--shadow-lg);pointer-events:auto;border:1px solid #6fb8e933;font-size:.9rem;line-height:1.4;animation:.3s ease-out toast-slide-in;display:flex}@keyframes toast-slide-in{0%{opacity:0;transform:translate(40px)scale(.95)}to{opacity:1;transform:translate(0)scale(1)}}.toast-success{color:var(--color-text-primary);background:#10b98126;border-color:#10b98159}.toast-success .toast-icon{color:#10b981}.toast-error{color:var(--color-text-primary);background:#ef444426;border-color:#ef444459}.toast-error .toast-icon{color:#ef4444}.toast-warning{color:var(--color-text-primary);background:#f59e0b26;border-color:#f59e0b59}.toast-warning .toast-icon{color:#f59e0b}.toast-info{color:var(--color-text-primary);background:#3b82f626;border-color:#3b82f659}.toast-info .toast-icon{color:#3b82f6}.toast-icon{flex-shrink:0;align-items:center;display:flex}.toast-message{flex:1;min-width:0}.toast-action{padding:var(--spacing-1) var(--spacing-2);border-radius:var(--radius-md);cursor:pointer;color:var(--color-primary);text-underline-offset:2px;background:0 0;border:none;flex-shrink:0;font-size:.85rem;font-weight:600;text-decoration:underline;transition:background .15s}.toast-action:hover{background:#6fb8e91a}.toast-close{border-radius:var(--radius-sm);width:24px;height:24px;color:var(--color-text-tertiary);cursor:pointer;background:0 0;border:none;flex-shrink:0;justify-content:center;align-items:center;transition:color .15s,background .15s;display:flex}.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}}