.header{position:-webkit-sticky;position:sticky;top:0;z-index:100;background:var(--color-bg);border-bottom:3px solid var(--color-border);padding:var(--spacing-md) 0}.header-container{max-width:1200px;margin:0 auto;padding:0 var(--spacing-lg);justify-content:space-between}.header-container,.header-logo{display:flex;align-items:center}.header-logo{gap:var(--spacing-sm);text-decoration:none}.logo-text{font-size:var(--font-size-xl);font-weight:900;color:var(--color-text);text-shadow:2px 2px 0 var(--color-shadow)}.logo-badge{font-size:var(--font-size-xs)}.header-nav{display:flex;align-items:center;gap:var(--spacing-md)}.download-client-btn,.join-room-btn{font-size:var(--font-size-sm)!important}.settings-dropdown{position:relative}.settings-menu{position:absolute;top:calc(100% + 8px);right:0;min-width:160px;background:var(--color-bg-card);border:3px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-hard);overflow:hidden;z-index:200}.settings-item{display:flex;align-items:center;gap:var(--spacing-sm);width:100%;padding:var(--spacing-md);background:transparent;border:none;color:var(--color-text);font-weight:600;cursor:pointer;transition:background .2s ease;text-align:left}.settings-item:hover{background:var(--color-bg-secondary)}.settings-item+.settings-item{border-top:1px solid var(--color-border)}.header-user{gap:var(--spacing-lg)}.header-user,.user-balance{display:flex;align-items:center}.user-balance{gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md)!important}.balance-amount,.balance-icon{font-size:var(--font-size-lg)}.balance-amount{font-weight:900}.balance-label{font-size:var(--font-size-xs);font-weight:700}.user-info-card{display:flex;flex-direction:column;justify-content:center;gap:4px;padding:6px 12px;background:var(--color-bg-secondary);border:2px solid var(--color-border);border-radius:var(--radius-md);text-decoration:none;transition:all .2s ease;min-width:120px}.user-info-card:hover{background:var(--color-bg-tertiary);transform:translateY(-1px);box-shadow:var(--shadow-sm)}.user-name-row{display:flex;align-items:center}.user-name{font-weight:800;font-size:var(--font-size-md);color:var(--color-text);line-height:1.2}.user-badges-row{display:flex;align-items:center;gap:6px}.user-badges-row .badge{font-size:10px;padding:2px 6px;height:auto;line-height:1;border-width:1px}.badge-xs{font-size:10px!important;padding:2px 6px!important}.header-actions{display:flex;gap:var(--spacing-sm)}.header-actions a{text-decoration:none}.theme-toggle{margin-right:var(--spacing-sm)}.modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background-color:rgba(0,0,0,.75);display:flex;justify-content:center;align-items:center;z-index:1000;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.join-modal{width:90%;max-width:400px;padding:var(--spacing-xl);text-align:center}.join-modal h3{font-size:var(--font-size-xl);font-weight:900;margin-bottom:var(--spacing-xs)}.join-modal>p{color:var(--color-text-secondary);margin-bottom:var(--spacing-lg)}.join-modal-form{display:flex;gap:var(--spacing-sm)}.join-modal-form .input{flex:1 1;text-align:center;font-size:var(--font-size-lg);font-weight:700;letter-spacing:4px;text-transform:uppercase}@media (max-width:768px){.user-balance{display:none}.header-actions .btn{padding:var(--spacing-sm) var(--spacing-md);font-size:var(--font-size-sm)}.join-room-btn span{display:none}}