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var(--border-color);border-radius:12px;width:100%;max-width:500px;max-height:80vh;overflow-y:auto}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 1.5rem 0}.modal-header h3{margin:0;color:var(--text-primary)}.modal-close{background:none;border:none;font-size:1.5rem;color:var(--text-secondary);cursor:pointer;padding:0;width:30px;height:30px;display:flex;align-items:center;justify-content:center}.modal-close:hover{color:var(--text-primary)}.modal-content{padding:1.5rem}.invite-options{display:flex;flex-direction:column;gap:1.5rem}.invite-option{display:flex;flex-direction:column;gap:.5rem}.invite-option label{font-weight:600;color:var(--text-primary);font-size:.875rem}.invite-link-container{display:flex;gap:.5rem}.invite-link-input{flex:1;padding:.5rem;border:1px solid var(--border-color);border-radius:4px;background-color:var(--bg-tertiary);color:var(--text-primary);font-family:var(--font-mono);font-size:.75rem}.invite-option small{color:var(--text-secondary);font-size:.75rem}input,textarea,select{font-size:16px}.send-message,.app-footer{padding-bottom:calc(1rem + env(safe-area-inset-bottom))}.btn,button{min-height:44px;min-width:44px}@media (hover: none){.btn-primary:hover:not(:disabled),.send-button:hover:not(:disabled),.btn-secondary:hover:not(:disabled){transform:none}}@media (max-width: 768px){.room-header{padding:1rem}.room-stats,.room-actions{flex-direction:column;gap:.5rem}.message{max-width:95%}.message-list,.send-message{padding:.75rem}.input-controls{flex-direction:column;gap:.75rem;align-items:stretch}.send-button{align-self:flex-end}.modal{margin:1rem;max-width:calc(100vw - 2rem)}.invite-link-container{flex-direction:column}}