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h1{font-size:1.5rem}.not-found-actions{flex-direction:column;align-items:stretch}.home-btn,.back-btn,.retry-btn{justify-content:center}.loading-steps{text-align:center}.step{justify-content:center}}.modal-overlay{position:fixed;inset:0;background:#0009;backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:10000;animation:fadeIn .2s ease-out;padding:1rem;overflow-y:auto}.create-room-modal,.join-room-modal{background:#fff;border-radius:1rem;max-width:800px;width:100%;max-height:90vh;overflow-y:auto;box-shadow:0 25px 50px #0000004d;animation:slideUp .3s ease-out;position:relative}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;border-bottom:1px solid #e5e7eb;position:sticky;top:0;background:#fff;z-index:1;border-radius:1rem 1rem 0 0}.modal-header h2{margin:0;font-size:1.5rem;font-weight:700;color:#1f2937}.close-btn{background:none;border:none;font-size:1.5rem;color:#6b7280;cursor:pointer;padding:.25rem;line-height:1;transition:color .2s ease;width:2rem;height:2rem;display:flex;align-items:center;justify-content:center;border-radius:.375rem}.close-btn:hover{color:#374151;background:#f3f4f6}.modal-form{display:flex;flex-direction:column;height:100%}.form-content{flex:1;padding:2rem;overflow-y:auto}.modal-footer{display:flex;justify-content:flex-end;gap:1rem;padding:1.5rem 2rem;border-top:1px solid #e5e7eb;position:sticky;bottom:0;background:#fff;border-radius:0 0 1rem 1rem}.form-error{padding:1rem;margin:0 2rem 1rem;background:#fef2f2;border:1px solid #fecaca;border-radius:.5rem;color:#dc2626;font-size:.875rem}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px) scale(.95)}to{opacity:1;transform:translateY(0) scale(1)}}@media (max-width: 768px){.modal-overlay{padding:0}.create-room-modal,.join-room-modal{max-width:100%;max-height:100vh;border-radius:0}.modal-header,.form-content,.modal-footer{padding-left:1rem;padding-right:1rem}.modal-header,.modal-footer{border-radius:0}}.user-setup-overlay{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:#0009;backdrop-filter:blur(8px);padding:1.5rem;z-index:11000}.user-setup-modal{width:min(420px,100%);background:#fff;border-radius:1.25rem;box-shadow:0 25px 50px #00000040;padding:2rem;animation:slideUp .3s ease-out,fadeIn .2s ease-out;display:flex;flex-direction:column;gap:1.5rem}@media (max-width: 640px){.user-setup-overlay{padding:1rem}.user-setup-modal{width:100%;padding:1.5rem;border-radius:1rem}}