.header,.login-header,.booking-header,.details-header{position:fixed;top:0;left:0;right:0;z-index:var(--z-header);background-color:var(--color-bg-primary);border-bottom:1px solid var(--color-border-light)}.header__main,.login-header__nav,.booking-header__nav,.details-header__nav{display:grid;grid-template-columns:auto 1fr auto;align-items:center;padding:var(--space-sm) var(--space-sm);gap:var(--space-sm);min-height:48px;width:100%;max-width:95%;margin:0 auto}.header__actions,.login-header-actions,.booking-header-actions,.details-header-actions{display:flex;align-items:center;gap:.5rem}.back-button{width:44px;height:44px;border-radius:var(--border-radius-full);background:#fff3;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border:none;display:flex;align-items:center;justify-content:center;color:var(--color-text-primary);font-size:var(--font-size-lg);cursor:pointer;transition:var(--transition-fast)}.back-button:hover{background:#c3a87633;transform:scale(1.1)}.back-button:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}.back-button .material-icons{font-size:var(--font-size-lg)}.language-selector{position:relative}.language-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:none;background-color:var(--color-bg-secondary);border-radius:var(--border-radius-lg);cursor:pointer;transition:var(--transition-fast)}.language-toggle:hover{background-color:var(--color-border-medium);transform:scale(1.1)}.language-flag{font-size:18px;line-height:1;transition:var(--transition-fast)}.language-dropdown{position:absolute;top:calc(100% + .5rem);right:0;background:var(--color-bg-card);border:1px solid var(--color-border-light);border-radius:8px;box-shadow:0 4px 20px #00000026;opacity:0;visibility:hidden;transform:translateY(-8px);transition:var(--transition-fast);z-index:100;min-width:120px}.language-dropdown.show{opacity:1;visibility:visible;transform:translateY(0)}.language-option{display:flex;align-items:center;gap:.5rem;padding:.75rem;cursor:pointer;transition:var(--transition-fast);font-size:.875rem}.language-option:hover{background:var(--color-bg-secondary)}.language-option.active{background:#c3a8761a;color:var(--color-primary)}.theme-toggle{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border:none;background-color:var(--color-bg-secondary);border-radius:var(--border-radius-lg);cursor:pointer;transition:var(--transition-fast)}.theme-toggle:hover{background-color:var(--color-border-medium);transform:scale(1.1)}.theme-toggle__icon{font-size:var(--icon-size-xl);transition:var(--transition-fast);color:var(--color-text-primary)}.notification-icon{position:relative;width:44px;height:44px;padding:0;border-radius:var(--border-radius-lg);background:var(--color-bg-secondary);border:none;color:var(--color-text-primary);cursor:pointer;transition:var(--transition-fast);display:flex;align-items:center;justify-content:center}.notification-icon:hover{background-color:var(--color-border-medium);transform:scale(1.1)}.notification-icon .material-icons{font-size:var(--icon-size-xl)}.notification-badge{position:absolute;top:8px;right:8px;width:8px;height:8px;background:var(--color-error);border-radius:50%;border:2px solid var(--color-bg-primary)}.header__menu{display:flex;flex-direction:column;gap:4px;padding:var(--space-sm);transition:var(--transition-fast);width:44px;height:44px;border:none;background:var(--color-bg-secondary);border-radius:var(--border-radius-lg);cursor:pointer;align-items:center;justify-content:center}.header__menu:hover{background-color:var(--color-border-medium);transform:scale(1.1)}.hamburger{width:20px;height:2px;background-color:var(--color-text-primary);border-radius:1px;transition:var(--transition-fast)}[data-theme=dark] .header,[data-theme=dark] .login-header,[data-theme=dark] .booking-header,[data-theme=dark] .details-header{background-color:var(--color-bg-primary);border-bottom:1px solid var(--color-border-medium)}[data-theme=dark] .language-dropdown{background:var(--color-bg-card);border-color:var(--color-border-medium);box-shadow:0 4px 20px #0000004d}@media (max-width: 480px){.header__main,.login-header__nav,.booking-header__nav,.details-header__nav{padding:var(--space-xs) var(--space-sm);gap:var(--space-xs);min-height:44px}.back-button,.language-toggle,.theme-toggle,.filter-toggle,.notification-icon,.header__menu{width:40px;height:40px}.theme-toggle__icon,.notification-icon .material-icons{font-size:var(--icon-size-lg)}.language-flag{font-size:16px}.hamburger{width:18px}}body.index-page,body.login-page,body.booking-page,body.details-page{padding-top:48px}@media (max-width: 480px){body.index-page,body.login-page,body.booking-page,body.details-page{padding-top:44px}}