*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;background:#1a1a1a;color:#fff;overflow-x:hidden}#root{min-height:100vh}button{cursor:pointer;border:none;outline:none;font-family:inherit}input,select{font-family:inherit}.App{min-height:100vh;display:flex;flex-direction:column}.home-page{min-height:100vh;background:linear-gradient(135deg,#0a0a0a,#1a1a2e);color:#fff;padding:20px}.home-header{text-align:center;padding:30px 20px;background:#ffffff0d;border-radius:15px;margin-bottom:30px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.home-header h1{font-size:2.5rem;margin:0 0 20px;background:linear-gradient(90deg,#667eea,#764ba2,#f093fb);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.nickname-section{display:flex;justify-content:center;align-items:center;gap:10px}.nickname-display{display:flex;align-items:center;gap:10px;background:#ffffff1a;padding:8px 15px;border-radius:20px}.nickname-edit{display:flex;gap:5px}.nickname-edit input{padding:8px 15px;border-radius:20px;border:2px solid #667eea;background:#ffffff1a;color:#fff;font-size:1rem}.btn-small{padding:5px 12px;border-radius:15px;border:none;background:#fff3;color:#fff;cursor:pointer;font-size:.9rem;transition:all .2s}.btn-small:hover{background:#ffffff4d}.btn-small.success{background:#28a745}.home-content{max-width:1400px;margin:0 auto;display:grid;gap:30px}.create-room-section,.active-rooms-section{background:#ffffff0d;padding:30px;border-radius:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.create-room-section h2,.active-rooms-section h2{margin:0 0 20px;color:#4ecdc4}.rom-selection h3{margin:0 0 15px;font-size:1.1rem;color:#aaa}.rom-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:12px;margin-bottom:20px}.rom-card{cursor:pointer;transition:all .3s;border-radius:12px;overflow:hidden;border:3px solid transparent}.rom-card:hover{transform:translateY(-5px);box-shadow:0 10px 30px #00000080}.rom-card.selected{border-color:#0f0;box-shadow:0 0 20px #00ff0080}.rom-cover{aspect-ratio:3/4;display:flex;align-items:center;justify-content:center;position:relative;box-shadow:inset 0 0 30px #0000004d}.rom-icon-large{font-size:2.5rem;filter:drop-shadow(0 4px 8px rgba(0,0,0,.5));animation:float 3s ease-in-out infinite}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.rom-name{padding:10px;text-align:center;font-size:.85rem;background:#00000080;font-weight:700}.btn-create{width:100%;padding:15px;font-size:1.2rem;font-weight:700;background:linear-gradient(90deg,#667eea,#764ba2);color:#fff;border:none;border-radius:10px;cursor:pointer;transition:all .3s}.btn-create:hover:not(:disabled){transform:scale(1.02);box-shadow:0 5px 20px #667eea66}.btn-create:disabled{opacity:.5;cursor:not-allowed}.rooms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.room-card{background:#ffffff14;border-radius:12px;overflow:hidden;cursor:pointer;transition:all .3s;border:2px solid transparent}.room-card:hover{transform:translateY(-5px);border-color:#4ecdc4;box-shadow:0 10px 30px #4ecdc44d}.room-thumbnail{position:relative;aspect-ratio:4/3;background:#000;display:flex;align-items:center;justify-content:center}.room-thumbnail img{width:100%;height:100%;object-fit:cover}.room-placeholder{font-size:4rem;opacity:.3}.room-live-badge{position:absolute;top:10px;right:10px;background:#f5576c;padding:5px 12px;border-radius:20px;font-size:.75rem;font-weight:700;animation:pulse 2s infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.room-info{padding:15px}.room-game{font-size:1.1rem;font-weight:700;margin-bottom:8px;color:#4ecdc4}.room-host{font-size:.9rem;color:#aaa;margin-bottom:8px}.room-stats{display:flex;justify-content:space-between;font-size:.85rem;color:#888;gap:10px}.no-rooms{text-align:center;padding:60px 20px;color:#666;font-size:1.1rem}@media(max-width:768px){.rom-grid{grid-template-columns:repeat(auto-fill,minmax(120px,1fr))}.rooms-grid{grid-template-columns:1fr}}.game-room{min-height:100vh;height:100vh;display:flex;flex-direction:column;background:#000;color:#fff;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif}.game-header{background:#1a1a1a;padding:15px 25px;border-bottom:2px solid #333;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:15px}.room-info h2{font-size:1.3rem;color:#4ecdc4;margin:0 0 5px}.room-info p{margin:0;font-size:.9rem;color:#aaa}.controls{display:flex;gap:12px;align-items:center}.control-btn{padding:10px 18px;border:none;border-radius:6px;font-weight:700;cursor:pointer;transition:transform .1s,background .2s;font-size:.9rem}.control-btn:active{transform:scale(.95)}.control-btn.primary{background:#667eea;color:#fff}.control-btn.success{background:#28a745;color:#fff}.control-btn.danger{background:#dc3545;color:#fff}.control-btn:not(.primary):not(.success):not(.danger){background:#333;color:#eee}.status-badge{padding:8px 15px;border-radius:20px;font-size:.85rem;font-weight:700}.status-badge.success{background:#28a74533;color:#28a745;border:1px solid #28a745}.mode-selector{display:flex;gap:5px;background:#ffffff1a;padding:4px;border-radius:8px}.mode-btn{padding:8px 16px;border:2px solid 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#333;border-radius:4px;image-rendering:crisp-edges}@media(max-width:768px){.stream-img{min-width:100%;max-height:60vh}}.placeholder{color:#666;font-size:1.2rem;text-align:center;padding:40px;background:#111;border-radius:12px;border:2px dashed #222}.stream-reminder,.netplay-indicator{position:absolute;bottom:20px;background:#000c;padding:10px 20px;border-radius:30px;color:#ff9800;font-weight:700;border:1px solid #ff9800;animation:pulse 2s infinite}.netplay-indicator{color:#0f0;border-color:#0f0;background:#00ff001a}@keyframes pulse{0%{transform:scale(1);opacity:.8}50%{transform:scale(1.05);opacity:1}to{transform:scale(1);opacity:.8}}.chat-section{width:320px;background:#111;border-left:2px solid #222;display:flex;flex-direction:column}.online-users{background:#1a1a1a;border-bottom:2px solid #222;padding:12px}.online-users-title{font-size:.85rem;color:#4ecdc4;font-weight:700;margin-bottom:8px}.online-users-list{display:flex;flex-direction:column;gap:6px;max-height:150px;overflow-y:auto}.online-user{display:flex;align-items:center;gap:8px;font-size:.85rem;padding:4px 8px;background:#ffffff0d;border-radius:4px}.user-badge{padding:2px 6px;border-radius:10px;font-size:.7rem;font-weight:700;white-space:nowrap}.user-badge.host{background:#667eea;color:#fff}.user-badge.p2{background:#f5576c;color:#fff}.user-badge.viewer{background:#4ecdc4;color:#000}.user-nick{color:#ccc;overflow:hidden;text-overflow:ellipsis}.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:12px}.chat-message{padding:10px 14px;border-radius:10px;font-size:.9rem;max-width:90%;word-wrap:break-word}.chat-message.user{background:#222;align-self:flex-start;border-bottom-left-radius:2px}.chat-message.system{background:#ff98001a;color:#ff9800;font-style:italic;font-size:.8rem;align-self:center;text-align:center}.chat-message b{color:#4ecdc4;margin-right:5px}.chat-input-form{padding:15px;background:#1a1a1a;display:flex;gap:8px;border-top:2px solid #222}.chat-input-form input{flex:1;background:#000;border:1px solid #333;color:#fff;padding:10px 12px;border-radius:6px;font-size:.9rem}.chat-input-form input:focus{outline:none;border-color:#4ecdc4}.chat-send-btn{padding:10px 16px;background:#4ecdc4;border:none;border-radius:6px;font-size:1.2rem;cursor:pointer;transition:all .2s}.chat-send-btn:hover:not(:disabled){background:#3bb5ad;transform:scale(1.05)}.chat-send-btn:disabled{opacity:.3;cursor:not-allowed}.loading,.error-container{height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000;color:#fff;gap:20px}.error-container h2{color:#f5576c}@media(max-width:900px){.game-content{flex-direction:column}.chat-section{width:100%;height:300px}}