.language-switcher{position:relative;display:inline-block}.language-switcher-btn{display:flex;align-items:center;gap:.375rem;padding:.25rem .5rem;background:transparent;border:none;border-radius:6px;color:var(--text-secondary);cursor:pointer;font-size:.9375rem;font-weight:500;transition:color .2s}.language-switcher-btn:hover{color:var(--text-primary)}.language-flag{display:flex;align-items:center}.language-flag svg{border-radius:2px}.language-dropdown{position:absolute;top:calc(100% + .5rem);right:0;background:var(--card-bg);border:1px solid var(--border-color);border-radius:8px;overflow:hidden;min-width:150px;box-shadow:0 4px 12px #0000001a;z-index:1000;display:flex;flex-direction:column}.language-option{display:flex;align-items:center;gap:.75rem;width:100%;padding:.75rem 1rem;background:transparent;border:none;color:var(--text-primary);cursor:pointer;font-size:.9rem;transition:background-color .2s;text-align:left}.language-option:hover,.language-option.selected{background-color:var(--input-bg)}.check-icon{margin-left:auto;color:var(--accent-color)}html.dark .language-dropdown{box-shadow:0 4px 12px #0006}.header-light{background-color:#fffc;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid rgba(226,232,240,.6);position:sticky;top:0;z-index:1000;height:var(--header-height);width:100%}@supports (backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px)){.header-light{background-color:#fff6}}html.dark .header-light{background-color:#0f172acc;border-bottom-color:#ffffff1a}@supports (backdrop-filter: blur(12px)) or (-webkit-backdrop-filter: blur(12px)){html.dark .header-light{background-color:#0f172abf}}html.dark .text-danger:hover{background-color:var(--danger-light)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:100%}.logo-link{display:flex;align-items:center;text-decoration:none;gap:.5rem}.logo-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center}.logo-img{width:100%;height:100%;object-fit:contain;filter:brightness(0) saturate(100%) invert(46%) sepia(35%) saturate(1450%) hue-rotate(198deg) brightness(98%) contrast(94%)}.logo-text{font-weight:700;font-size:1.1rem;color:var(--text-primary)}.nav-links{display:flex;align-items:center;gap:2.5rem;margin-left:3rem;flex:1}.nav-link{color:var(--text-secondary);text-decoration:none;font-size:.95rem;font-weight:500;transition:color .2s;position:relative}.nav-link:hover,.nav-link.active{color:var(--accent-color)}.nav-link:after{content:"";position:absolute;bottom:-4px;left:0;width:0%;height:2px;background-color:var(--accent-color);transition:width .3s ease}.nav-link:hover:after,.nav-link.active:after{width:100%}.nav-actions{display:flex;align-items:center;gap:1.5rem}.lang-btn{display:flex;align-items:center;gap:.5rem;border:none;background:transparent;color:var(--text-secondary);font-size:.95rem;font-weight:500;cursor:pointer;padding:.5rem;border-radius:6px;transition:all .2s}.lang-btn:hover{color:var(--text-primary);background:var(--bg-tertiary)}.lang-text{font-weight:500;color:var(--text-primary)}.icon-btn{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:8px;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .2s}.icon-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.user-menu{position:relative}.user-button{display:flex;align-items:center;gap:.75rem;background:transparent;border:none;padding:.25rem;border-radius:99px;cursor:pointer;transition:background-color .2s}.user-button:hover{background-color:var(--bg-color)}.user-avatar-container{width:32px;height:32px;border-radius:50%;overflow:hidden;background:var(--accent-color);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.9rem}.user-avatar-img{width:100%;height:100%;object-fit:cover;display:block;border-radius:50%}.dropdown-menu{position:absolute;top:calc(100% + .5rem);right:0;background:var(--card-bg);border:1px solid var(--border-color);border-radius:12px;min-width:200px;display:none;flex-direction:column;box-shadow:0 10px 15px -3px #0000001a;z-index:1000;overflow:hidden;padding:.5rem}.dropdown-menu.show{display:flex;animation:fadeIn .1s ease-out}@keyframes fadeIn{0%{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{padding:.6rem 1rem;color:var(--text-primary);text-decoration:none;font-size:.9rem;border-radius:6px;transition:background .2s;display:flex;align-items:center;gap:.5rem;width:100%;box-sizing:border-box;text-align:left;border:none;background:transparent;cursor:pointer}.dropdown-item:hover{background-color:var(--bg-color)}.dropdown-divider{height:1px;background-color:var(--border-color);margin:.5rem 0}.text-danger{color:var(--danger-color)}.text-danger:hover{background-color:var(--danger-light)}.mobile-menu-btn{display:none}@media(max-width:768px){.nav-links{display:none;position:absolute;top:var(--header-height);left:0;right:0;background:var(--card-bg);border-bottom:1px solid var(--border-color);flex-direction:column;align-items:flex-start;padding:1rem;margin:0;gap:.5rem;box-shadow:0 4px 6px -1px #0000001a}.nav-links.active{display:flex}.nav-link{width:100%;padding:.75rem 1rem;border-radius:8px}.nav-link:hover{background-color:var(--bg-color)}.mobile-menu-btn{display:flex}.nav-actions .btn-login-group{display:none}.nav-actions{gap:.5rem}}.btn-login-group{display:flex;align-items:center;gap:1rem;margin-left:1rem}.btn-register{color:var(--text-secondary);font-weight:500;transition:all .3s cubic-bezier(.16,1,.3,1);background:var(--card-bg);border:1px solid var(--border-color);box-shadow:#64748b4d 3px 3px,#64748b33 6px 6px,#64748b1a 9px 9px,#64748b0d 12px 12px,#64748b05 15px 15px}.btn-register:hover{color:var(--text-primary);background:var(--bg-tertiary);transform:translateY(-2px);box-shadow:#64748b66 5px 5px,#64748b4d 8px 8px,#64748b33 11px 11px,#64748b1a 14px 14px,#64748b0d 17px 17px}.btn-login-action{padding:.625rem 1.5rem;color:#fff;box-shadow:#3b82f64d 3px 3px,#3b82f633 6px 6px,#3b82f61a 9px 9px;transition:all .3s cubic-bezier(.16,1,.3,1)}.btn-login-action:hover{transform:translateY(-2px);box-shadow:#3b82f666 5px 5px,#3b82f64d 8px 8px,#3b82f633 11px 11px}.mobile-auth-links{display:none;width:100%}@media(max-width:768px){.mobile-auth-links.show-mobile{display:flex;flex-direction:column}}