*{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}.home-content{max-width:1400px;margin:0 auto;display:flex;flex-direction:column;gap:50px}.rom-section-group,.active-rooms-section{padding:20px;border-radius:15px}.rom-section-group h2,.active-rooms-section h2{margin:0 0 30px;color:#4ecdc4;font-size:1.5rem;border-left:5px solid #4ecdc4;padding-left:15px}.cartridge-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:25px;padding:20px 15px;max-height:432px;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:#4ecdc4 #1a1a1a;background:#0003;border-radius:10px;border:1px solid rgba(255,255,255,.05)}.cartridge-grid::-webkit-scrollbar{width:8px}.cartridge-grid::-webkit-scrollbar-track{background:#1a1a1a;border-radius:10px}.cartridge-grid::-webkit-scrollbar-thumb{background:#4ecdc4;border-radius:10px}.cartridge-card{width:100%;max-width:160px;justify-self:center;cursor:pointer;transition:all .3s cubic-bezier(.175,.885,.32,1.275)}.cartridge-card:hover{transform:translateY(-10px) scale(1.05)}.cartridge-body{background:#999;height:120px;border-radius:10px 10px 5px 5px;padding:10px;position:relative;box-shadow:0 5px 15px #00000080,inset 0 2px 2px #ffffff80;border:1px solid #777}.cartridge-label{background:#333;width:100%;height:85px;border-radius:4px;overflow:hidden;position:relative;border:2px solid #222;display:flex;align-items:center;justify-content:center}.cartridge-art{width:100%;height:100%;object-fit:cover}.cartridge-art-placeholder{width:100%;height:100%;display:flex;align-items:center;justify-content:center;text-align:center;padding:10px;font-size:.7rem;font-weight:700;text-transform:uppercase}.cartridge-grip{position:absolute;bottom:5px;left:10px;right:10px;height:12px;background:repeating-linear-gradient(90deg,#777,#777 4px,#888 4px 8px);border-radius:2px}.cartridge-title{margin-top:12px;text-align:center;font-size:.85rem;font-weight:700;color:#eee;white-space:normal;line-height:1.2}.upload-label{background:linear-gradient(135deg,#444,#222);flex-direction:column;color:#4ecdc4}.upload-label span{font-size:2rem}.upload-label small{font-size:.6rem;margin-top:5px}.rooms-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}.room-card{background:#0006;border-radius:12px;overflow:hidden;cursor:pointer;transition:all .3s;border:1px solid rgba(255,255,255,.1)}.room-card:hover{transform:scale(1.02);border-color:#4ecdc4}.room-thumbnail{position:relative;aspect-ratio:16/9;background:#000;display:flex;align-items:center;justify-content:center}.room-thumbnail img{width:100%;height:100%;object-fit:cover}.room-live-badge{position:absolute;top:10px;right:10px;background:#ff4757;color:#fff;padding:4px 10px;border-radius:4px;font-size:.7rem;font-weight:700;animation:blink 1.5s infinite}@keyframes blink{0%{opacity:1}50%{opacity:.5}to{opacity:1}}.room-info{padding:15px}.room-game{font-size:1rem;font-weight:700;color:#4ecdc4;margin-bottom:5px}.room-host{font-size:.8rem;color:#aaa;margin-bottom:8px}.room-stats{display:flex;justify-content:space-between;font-size:.8rem;color:#888}.no-rooms{text-align:center;padding:40px;background:#ffffff05;border-radius:10px;color:#666}.loading-overlay{position:fixed;inset:0;background:#000000e6;display:flex;flex-direction:column;align-items:center;justify-content:center;z-index:3000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.loading-spinner{width:60px;height:60px;border:6px solid rgba(78,205,196,.1);border-top:6px solid #4ecdc4;border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media(max-width:768px){.cartridge-grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}.cartridge-card{width:140px}.cartridge-body{height:105px}.cartridge-label{height:75px}}.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:10px 20px;border-bottom:2px solid #333;display:flex;justify-content:space-between;align-items:center;min-height:60px}.header-left{display:flex;align-items:center;gap:15px}.back-btn{background:#333;color:#fff;border:1px solid #444;padding:8px 15px;border-radius:6px;cursor:pointer;display:flex;align-items:center;gap:8px;font-size:.9rem;transition:all .2s}.back-btn:hover{background:#444;border-color:#f5576c}.room-info h2{font-size:1.1rem;color:#4ecdc4;margin:0}.room-info p{margin:0;font-size:.9rem;color:#aaa}.room-stats{font-size:.8rem;color:#888;margin-top:2px}.center-controls-bar{display:flex;justify-content:center;align-items:center;gap:20px;padding:10px;background:#ffffff08;border-bottom:1px solid #222;flex-wrap:wrap}.latency-badge{font-size:.65rem;padding:2px 5px;border-radius:4px;background:#00000080;margin-left:8px;font-family:monospace;font-weight:700}.latency-badge.low{color:#2ed573}.latency-badge.mid{color:#ffa502}.latency-badge.high{color:#ff4757}.online-user .latency-badge{margin-left:5px}.user-meta{margin-left:auto;display:flex;align-items:center;gap:8px}.conn-type{font-size:.6rem;padding:1px 4px;border-radius:3px;font-weight:700;text-transform:uppercase}.conn-type.p2p{background:#2ed57326;color:#2ed573;border:1px solid rgba(46,213,115,.3)}.conn-type.relay{background:#ff475726;color:#ff4757;border:1px solid rgba(255,71,87,.3)}.chat-conn-type{font-size:.65rem;opacity:.6;font-weight:400;margin-left:4px}.release-btn .latency-badge{background:#fff3}.controls{display:flex;gap:12px;align-items:center}.player-slots-bar{display:flex;gap:8px;background:#222;padding:5px 10px;border-radius:6px;border:1px solid #333}.slot-btn{padding:6px 12px;border:none;border-radius:4px;font-size:.75rem;font-weight:700;cursor:pointer;transition:all .2s;display:flex;align-items:center;gap:5px}.slot-btn.host-slot{background:#333;color:#fff}.slot-btn.host-slot.unlocked{border-left:3px solid #28a745}.slot-btn.host-slot.locked{border-left:3px solid #dc3545;opacity:.7}.slot-btn.take-btn{background:#667eea;color:#fff}.slot-btn.release-btn{background:#f5576c;color:#fff}.slot-btn:hover{filter:brightness(1.2)}.control-btn.warning{background:#ff9800;color:#fff}.control-settings-modal{position:fixed;inset:0;background:#000000d9;display:flex;align-items:center;justify-content:center;z-index:2000;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.control-settings-content{background:#1a1a1a;padding:30px;border-radius:20px;border:2px solid #444;width:95%;max-width:600px;text-align:center;box-shadow:0 0 50px #000c}.visual-controller{margin:30px auto;background:#333;padding:40px 20px;border-radius:50px;position:relative;border:4px solid #444}.visual-controller.arcade{border-radius:15px;background:#222}.shoulder-buttons{display:flex;justify-content:space-between;position:absolute;top:-20px;left:50px;right:50px}.shoulder-buttons .remap-btn{width:100px;border-radius:10px 10px 0 0}.main-controls{display:flex;justify-content:space-between;align-items:center;gap:20px}.d-pad{display:flex;flex-direction:column;align-items:center}.d-pad-horizontal{display:flex;align-items:center}.d-pad .remap-btn{width:45px;height:45px;padding:0;border-radius:4px}.d-pad-center{width:45px;height:45px;background:#222}.center-buttons{display:flex;gap:15px;transform:rotate(-15deg)}.center-buttons .remap-btn{width:60px;height:25px;border-radius:15px;font-size:.6rem}.action-buttons{display:flex;flex-direction:column;align-items:center;background:#0003;padding:15px;border-radius:50%}.action-row-middle{display:flex;gap:15px}.action-buttons .remap-btn{width:50px;height:50px;border-radius:50%;font-weight:900;color:#fff;text-shadow:0 2px 4px rgba(0,0,0,.5)}.confirm-btn{background:#28a745;color:#fff;border:none;padding:12px 50px;border-radius:30px;font-weight:700;font-size:1.1rem;cursor:pointer;margin-top:20px;transition:all .2s}.confirm-btn:hover{background:#218838;transform:scale(1.05)}.remap-btn{background:#222;color:#fff;border:2px solid #444;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-weight:700;transition:all .1s}.remap-btn.mapping{background:#4ecdc4!important;color:#000!important;box-shadow:0 0 15px #4ecdc4}.key-hint{font-size:.6rem;color:#ffffffb3;font-family:monospace}.size-controls{display:flex;align-items:center;gap:10px;background:#222;padding:5px 12px;border-radius:6px;border:1px solid #333}.size-slider{width:100px;cursor:pointer}.size-label{font-size:.8rem;color:#4ecdc4;font-family:monospace;min-width:50px}.host-config-bar{background:#252525;padding:10px 25px;display:flex;gap:20px;align-items:center;flex-wrap:wrap;border-bottom:1px solid #444;font-size:.85rem;color:#ddd}.config-group{display:flex;align-items:center;gap:8px}.config-group label{color:#4ecdc4;font-weight:700}.config-group select,.config-group input[type=range]{background:#111;color:#fff;border:1px solid #444;padding:4px 8px;border-radius:4px;outline:none}.config-group span{min-width:35px;font-family:monospace}.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}.game-content{flex:1;display:flex;overflow:hidden}.emulator-section{flex:1;background:#080808;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;padding:20px}.host-view,.remote-view{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center}.emulator-wrapper{width:100%;height:100%;display:flex;align-items:center;justify-content:center}.stream-container{position:relative;display:flex;align-items:center;justify-content:center;background:#000;box-shadow:0 0 30px #00000080;border:4px solid #333;border-radius:4px;overflow:hidden}.stream-video,.stream-img{width:100%;height:100%;object-fit:fill;image-rendering:pixelated;background:#000;transition:opacity .3s ease}.stream-video.hidden{position:absolute;opacity:0;pointer-events:none}.stream-video.visible{position:relative;opacity:1}.remote-view{width:100%;height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;overflow:auto}@media(max-width:1024px){.stream-img,.stream-video{width:100%;height:auto;aspect-ratio:4/3}}.placeholder{color:#666;font-size:1.2rem;text-align:center;padding:40px;background:#111;border-radius:12px;border:2px dashed #222}.stream-reminder{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}@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}}.admin-login{height:100vh;display:flex;align-items:center;justify-content:center;background:#0a0a0a}.admin-form{background:#1a1a1a;padding:40px;border-radius:15px;width:100%;max-width:400px;text-align:center;border:1px solid #333}.admin-form h2{color:#4ecdc4;margin-bottom:30px}.admin-form input{width:100%;padding:12px;margin-bottom:15px;background:#000;border:1px solid #444;color:#fff;border-radius:5px}.admin-form button{width:100%;padding:12px;background:#4ecdc4;color:#000;border:none;border-radius:5px;font-weight:700;cursor:pointer}.admin-panel{padding:40px;background:#0a0a0a;min-height:100vh;color:#eee}.admin-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:40px;border-bottom:1px solid #333;padding-bottom:20px}.logout-btn{background:#ff4757;color:#fff;border:none;padding:8px 20px;border-radius:5px;cursor:pointer}.admin-content{display:grid;grid-template-columns:1fr 2fr;gap:40px}.game-form{background:#1a1a1a;padding:25px;border-radius:10px;display:flex;flex-direction:column;gap:15px}.game-form input,.game-form select{padding:10px;background:#000;border:1px solid #444;color:#fff;border-radius:4px}.rom-input-section{display:flex;flex-direction:column;gap:10px;background:#0003;padding:10px;border-radius:5px}.tab-buttons{display:flex;gap:5px}.tab-buttons button{flex:1;padding:5px;font-size:.75rem;background:#333;color:#aaa;border:1px solid #444}.tab-buttons button.active{background:#4ecdc4;color:#000}.file-input{display:flex;flex-direction:column;gap:5px;font-size:.9rem}.form-buttons{display:flex;gap:10px}.save-btn{background:#28a745;color:#fff;border:none;padding:10px 20px;border-radius:4px;cursor:pointer;flex:1}.cancel-btn{background:#666;color:#fff;border:none;padding:10px 20px;border-radius:4px;cursor:pointer}.games-list{background:#1a1a1a;padding:25px;border-radius:10px}table{width:100%;border-collapse:collapse;margin-top:20px}th,td{text-align:left;padding:12px;border-bottom:1px solid #333}th{color:#4ecdc4}.edit-btn{background:#667eea;color:#fff;border:none;padding:5px 10px;border-radius:3px;margin-right:5px;cursor:pointer}.delete-btn{background:#dc3545;color:#fff;border:none;padding:5px 10px;border-radius:3px;cursor:pointer}