:root{--bg-page: #1A1A1A;--bg-card: #212121;--bg-elevated: #2D2D2D;--bg-canvas: #000000;--text-primary: #FFFFFF;--text-secondary: #B0B0B0;--text-muted: #6B6B6B;--black-text: #0D0D0D;--orange-primary: #FF6B35;--orange-hover: #E55A2B;--teal-success: #00D4AA;--gray-500: #777777;--border-subtle: #333333;--border-focus: #FF6B35;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-pill: 9999px;--gap-sm: 8px;--gap-md: 12px;--gap-lg: 16px;--gap-xl: 24px;--gap-2xl: 32px;--font-heading: "Oswald", sans-serif;--font-mono: "JetBrains Mono", monospace;--glass-bg: rgba(255, 255, 255, .08);--glass-border: rgba(255, 255, 255, .12);--glass-blur: blur(12px);--overlay-dim: rgba(0, 0, 0, .6);--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slide: .3s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}body{background:var(--bg-page);color:var(--text-primary);font-family:var(--font-mono);font-size:14px;line-height:1.5;min-height:100vh;min-height:100dvh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}h1,h2,h3,h4{font-family:var(--font-heading);font-weight:600;text-transform:uppercase;letter-spacing:.02em}a{color:var(--orange-primary);text-decoration:none}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input{font-family:inherit;color:inherit;background:none;border:none;outline:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:var(--radius-pill)}::selection{background:var(--orange-primary);color:var(--text-primary)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 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var(--glass-border);-webkit-backdrop-filter:var(--glass-blur);backdrop-filter:var(--glass-blur);font-size:18px}.btn-icon:hover{background:#ffffff1f}.btn-sm{padding:6px 14px;font-size:12px}.btn-join{width:80px;flex-shrink:0;border-radius:var(--radius-xl)}.btn-40{height:40px;padding:0 20px;font-size:12px}.btn-44{height:44px;padding:0 20px;font-size:13px}.btn-48{height:48px;padding:0 24px;font-size:13px}.btn-52{height:52px;padding:0 24px;font-size:14px}.btn-56{height:56px;padding:0 24px;font-size:14px}.card{background:var(--bg-card);border-radius:var(--radius-xl);border:1px solid var(--border-subtle);padding:var(--gap-xl)}.card-elevated{background:var(--bg-elevated)}.input{width:100%;padding:10px 16px;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-md);color:var(--text-primary);font-size:14px;font-family:var(--font-mono);transition:border-color var(--transition-fast)}.input:focus{border-color:var(--border-focus);outline:none}.input::placeholder{color:var(--text-muted)}.input-room-code{flex:1;width:auto;height:48px;border-radius:16px;border:none;text-align:left;font-size:14px;font-weight:500;letter-spacing:.05em;text-transform:uppercase}.input-group{display:flex;align-items:center;flex:1;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-md);overflow:hidden;transition:border-color var(--transition-fast)}.input-group:focus-within{border-color:var(--border-focus)}.input-group-prefix{padding-left:16px;font-family:var(--font-mono);font-size:14px;color:var(--text-muted);flex-shrink:0}.input-group .input{border:none;background:transparent}.input-group .input:focus{border-color:transparent}.file-picker{position:relative;display:flex;align-items:center;justify-content:center;width:100%;padding:20px;border:2px dashed var(--border-subtle);border-radius:var(--radius-lg);color:var(--text-secondary);font-size:13px;cursor:pointer;transition:border-color var(--transition-fast),background var(--transition-fast)}.file-picker:hover{border-color:var(--orange-primary);background:#ff6b350d}.file-picker input[type=file]{position:absolute;top:0;right:0;bottom:0;left:0;opacity:0;cursor:pointer}.file-picker-label{display:flex;flex-direction:column;align-items:center;gap:var(--gap-sm);pointer-events:none}.file-picker-icon{font-size:24px;color:var(--text-muted)}.progress-bar{width:100%;height:8px;background:var(--bg-elevated);border-radius:var(--radius-pill);overflow:hidden}.progress-bar-fill{height:100%;background:var(--teal-success);border-radius:var(--radius-pill);transition:width var(--transition-fast)}.toggle{position:relative;width:40px;height:22px;background:var(--bg-elevated);border-radius:var(--radius-pill);border:1px solid var(--border-subtle);cursor:pointer;transition:background var(--transition-fast);flex-shrink:0}.toggle.active{background:var(--orange-primary);border-color:var(--orange-primary)}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:16px;height:16px;background:var(--text-primary);border-radius:50%;transition:transform var(--transition-fast)}.toggle.active:after{transform:translate(18px)}.badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.08em}.badge-teal{background:#00d4aa26;color:var(--teal-success)}.share-link-label{font-family:var(--font-mono);font-size:10px;font-weight:600;color:var(--text-muted)}.share-link-row{display:flex;align-items:center;gap:8px;width:100%;height:40px;padding:0 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var(--border-subtle)}.room-code-display--panel{font-size:36px}.panel-waiting-text{display:flex;align-items:center;gap:var(--gap-sm);font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}.dot-online{width:8px;height:8px;border-radius:50%;background:var(--teal-success);flex-shrink:0}.panel-status-text{font-family:var(--font-mono);font-size:13px;color:var(--text-muted);text-align:center;padding:var(--gap-xl) 0}.dot-pulse:after{content:"";animation:dotPulse 1.4s infinite step-end}@keyframes dotPulse{0%{content:""}25%{content:"."}50%{content:".."}75%{content:"..."}}.status-text{font-size:13px;color:var(--text-muted);text-align:center}.status-text:empty{display:none}.status-text--success{color:var(--teal-success)}.status-text--error{color:#ef5350}.overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;z-index:1000}.overlay.active{display:flex;align-items:center;justify-content:center}.overlay-dim{position:absolute;top:0;left:0;right:0;bottom:0;background:#000000b3}.overlay-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:var(--gap-lg)}.overlay-title{font-family:var(--font-heading);font-size:32px;font-weight:700;color:var(--text-primary);text-transform:uppercase;letter-spacing:.05em}.overlay-title--netplay{color:var(--orange-primary)}.overlay-subtitle{font-family:var(--font-mono);font-size:14px;color:var(--text-muted)}.overlay-card{display:flex;flex-direction:column;align-items:center;gap:var(--gap-lg);padding:var(--gap-2xl);min-width:280px}.overlay-card-title{font-family:var(--font-heading);font-size:20px;font-weight:600}.overlay-card-text{font-family:var(--font-mono);font-size:13px;color:var(--text-muted)}.progress-text{font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}.overlay-menu{justify-content:flex-end}.overlay-menu.active{display:flex}.menu-panel{position:fixed;top:0;right:0;bottom:0;width:280px;max-width:85vw;background:var(--bg-card);border-left:1px solid var(--border-subtle);display:flex;flex-direction:column;z-index:1;transform:translate(100%);transition:transform var(--transition-slide)}.overlay-menu.active .menu-panel{transform:translate(0)}.menu-header{display:flex;align-items:center;justify-content:space-between;padding:var(--gap-lg) var(--gap-xl);border-bottom:1px solid var(--border-subtle)}.menu-title{font-family:var(--font-heading);font-size:16px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-primary)}.menu-close{width:32px;height:32px;display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--text-muted);border-radius:var(--radius-md);transition:background var(--transition-fast)}.menu-close:hover{background:var(--glass-bg)}.menu-items{flex:1;padding:var(--gap-md) 0;overflow-y:auto}.menu-item{display:flex;align-items:center;gap:var(--gap-md);width:100%;padding:var(--gap-md) var(--gap-xl);font-family:var(--font-mono);font-size:13px;color:var(--text-primary);text-align:left;transition:background var(--transition-fast)}.menu-item:hover{background:var(--glass-bg)}.menu-item svg{width:16px;height:16px;stroke-width:2;flex-shrink:0}.menu-item .toggle{margin-left:auto}.menu-item:disabled{opacity:.4;pointer-events:none}.menu-item--danger{color:#ef5350}.menu-item--danger:hover{background:#ef53501a}#menu-solo-items,#menu-netplay-items{border-top:1px solid var(--border-subtle);margin-top:var(--gap-sm);padding-top:var(--gap-sm)}#menu-fullscreen-btn{border-top:1px solid var(--border-subtle);margin-top:var(--gap-sm);padding-top:calc(var(--gap-sm) + var(--gap-md))}.canvas-toast{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);padding:6px 18px;background:#000c;border:1px solid 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1024px){.fps-badge{display:none}}.rom-info-card{position:relative;display:flex;flex-direction:column;align-items:flex-start;gap:var(--gap-sm);width:100%;padding:14px;background:var(--bg-elevated);border-radius:var(--radius-xl)}.rom-dismiss-btn{position:absolute;top:8px;right:8px;display:flex;align-items:center;justify-content:center;width:28px;height:28px;border-radius:50%;background:transparent;color:var(--text-muted);cursor:pointer;transition:background var(--transition-fast),color var(--transition-fast)}.rom-dismiss-btn:hover{background:var(--bg-elevated);color:var(--text-primary)}.rom-dismiss-btn svg{width:16px;height:16px;stroke-width:2}.rom-name-display{font-family:var(--font-heading);font-size:18px;font-weight:700;color:var(--text-primary);text-align:left;word-break:break-all}.rom-info-subtitle{font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}.btn-link{background:none;border:none;color:var(--text-muted);font-family:var(--font-mono);font-size:12px;cursor:pointer}.btn-link:hover{color:var(--text-secondary)}.hidden{display:none!important}.app{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;min-height:100dvh;padding:var(--gap-xl);padding:var(--gap-xl) env(safe-area-inset-right,var(--gap-xl)) var(--gap-xl) env(safe-area-inset-left,var(--gap-xl))}.app-title{font-family:var(--font-heading);font-size:28px;font-weight:700;letter-spacing:.05em}.app-subtitle{font-family:var(--font-mono);font-size:12px;color:var(--text-muted)}.version-text{font-family:var(--font-mono);font-size:11px;color:var(--text-muted)}.canvas-wrapper{position:relative;width:100%;max-width:512px;aspect-ratio:256 / 240;background:var(--bg-canvas);border-radius:var(--radius-md);overflow:hidden}.canvas-wrapper canvas{display:block;width:100%;height:100%;image-rendering:pixelated;touch-action:none}.controls-bar{display:flex;align-items:center;gap:var(--gap-md);margin-top:var(--gap-lg)}.keyboard-help{font-family:var(--font-mono);font-size:11px;color:var(--text-muted);text-align:center;line-height:2;margin-top:var(--gap-md)}.kb-key{display:inline-block;padding:2px 6px;background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:4px;font-size:10px;font-weight:600;color:var(--text-secondary);line-height:1.4;vertical-align:middle}@media (hover: none) and (pointer: coarse){.keyboard-help{display:none}}.netplay-section{display:flex;flex-direction:column;gap:var(--gap-md);width:100%}.form-group{display:flex;flex-direction:column;gap:var(--gap-sm)}.form-row{display:flex;align-items:center;gap:var(--gap-md);width:100%}.form-divider{display:flex;align-items:center;gap:var(--gap-md);width:100%;color:var(--text-muted);font-size:11px;letter-spacing:.05em}.form-divider:before,.form-divider:after{content:"";flex:1;height:1px;background:var(--border-subtle)}@media (max-width: 1023px){.view-initial .btn-52,.view-rom-loaded .btn-52{height:56px;font-size:14px}.view-initial .btn-48,.view-rom-loaded .btn-48{height:48px;font-size:13px}}@media (max-width: 1024px){#menu-btn{display:none}.app:has(.view-playing.active){padding:0;justify-content:flex-start}.view-playing.active{flex:1;justify-content:flex-start}.view-playing .canvas-wrapper{max-width:100%;max-height:75vh;max-height:75dvh;border-radius:0}}@media (max-width: 1024px) and (orientation: landscape){.app{padding:0;justify-content:center}.view-playing .canvas-wrapper{max-height:100vh;max-height:100dvh;width:auto;height:100vh;height:100dvh;aspect-ratio:256 / 240}.view-playing .canvas-wrapper canvas{object-fit:contain}}@media (min-width: 1024px){.app{padding:0}.canvas-wrapper{max-width:640px}}.view-desktop{max-width:none;width:100%;flex:1}.desktop-split{display:flex;gap:var(--gap-xl);max-width:1200px;width:100%;margin:0 auto;padding:var(--gap-2xl);align-items:center;max-height:100dvh;box-sizing:border-box;overflow:hidden}.desktop-canvas-area{flex:0 0 768px}.desktop-canvas-area 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1024px){.view.view-initial{display:none}.view-desktop{display:flex}.view.view-playing.active,.view.view-rom-loaded.active,.view.view-room-created.active,.view.view-joining.active{display:none}}@media (max-width: 1024px) and (orientation: landscape){.view-initial.active{display:grid;grid-template-columns:auto 1fr;max-width:700px;padding:var(--gap-xl);gap:var(--gap-md) var(--gap-xl);align-content:center}.view-initial.active header{grid-column:1;grid-row:1 / 3;text-align:left;align-self:center}.view-initial.active>label{grid-column:2;grid-row:1}.view-initial.active .netplay-section{grid-column:2;grid-row:2}.view-initial.active .status-text{display:none}.view-initial.active .version-text{grid-column:1;grid-row:3;text-align:left}.view-room-created.active{display:grid;grid-template-columns:auto 1fr;max-width:700px;gap:var(--gap-md) var(--gap-xl);align-content:center;padding:var(--gap-xl)}.view-room-created.active>header{grid-column:1;grid-row:1 / 3;text-align:left;align-self:center}.view-room-created.active>.badge{grid-column:1;grid-row:1;justify-self:start}.view-room-created.active>.room-waiting-text{grid-column:1;grid-row:3}.view-room-created.active>.room-code-card{grid-column:2;grid-row:1 / 3}.view-room-created.active>.btn{grid-column:2;grid-row:3}}#touch-controls{display:none;position:fixed;left:0;right:0;bottom:0;height:25vh;height:25dvh;z-index:500;pointer-events:none;touch-action:none}@media (max-width: 1024px){#view-playing.active~#touch-controls{display:block}}.touch-controls-grid{box-sizing:border-box;display:grid;grid-template-columns:1fr 1fr;position:absolute;left:0;right:0;top:0;bottom:60px;padding:0 env(safe-area-inset-right,16px) 0 env(safe-area-inset-left,16px);pointer-events:none}.dpad-container{display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding-left:16px;pointer-events:none}.dpad-circle{position:relative;width:120px;height:120px;border-radius:50%;background:#ffffff26;border:2px solid rgba(255,255,255,.3);pointer-events:auto;touch-action:none}.dpad-knob{position:absolute;top:50%;left:50%;width:50px;height:50px;margin:-25px 0 0 -25px;border-radius:50%;background:#ffffff4d;border:2px solid rgba(255,255,255,.4);pointer-events:none;transition:transform .05s ease-out}.buttons-container{display:flex;flex-direction:column;justify-content:center;align-items:flex-end;padding-right:16px;pointer-events:none}.ab-row{display:flex;gap:12px;align-items:flex-end;pointer-events:none}.action-btn{width:64px;height:64px;border-radius:50%;background:#fff3;border:2px solid rgba(255,255,255,.3);color:#fff;font-family:var(--font-heading, "Oswald", sans-serif);font-size:18px;font-weight:700;pointer-events:auto;touch-action:none;transition:transform .1s ease,opacity .1s ease;opacity:.9}.action-btn.pressed{transform:scale(.9);opacity:1;background:#ff6b3566}.ab-row .action-btn:first-child{margin-bottom:20px}.btn-a{background:#ff6b4a99;border-color:#ff6b4acc}.system-row{position:absolute;bottom:calc(env(safe-area-inset-bottom,16px) + 16px);left:50%;transform:translate(-50%);display:flex;gap:20px;pointer-events:none}.system-btn{width:52px;height:24px;border-radius:12px;background:#ffffff1f;border:1px solid rgba(255,255,255,.2);color:#ffffffb3;font-family:var(--font-mono, "JetBrains Mono", monospace);font-size:9px;font-weight:600;letter-spacing:.02em;pointer-events:auto;touch-action:none;transition:transform .1s ease,opacity .1s ease;opacity:.75}.system-btn.pressed{transform:scale(.9);opacity:1}.menu-trigger-btn{position:fixed;top:12px;right:12px;width:80px;height:28px;background:var(--bg-elevated, #2D2D2D);border:none;border-radius:14px;color:#fff;font-size:16px;line-height:1;pointer-events:auto;touch-action:none;transition:transform .1s ease,opacity .1s ease;opacity:.8;z-index:501;display:flex;align-items:center;justify-content:center}.menu-trigger-btn.pressed{transform:scale(.9);opacity:1}@media (orientation: landscape) and (max-width: 1024px){#touch-controls{height:100vh;height:100dvh}.touch-controls-grid{bottom:40px;top:8px;padding:0 env(safe-area-inset-right,16px) 0 env(safe-area-inset-left,16px)}.system-row{bottom:calc(env(safe-area-inset-bottom,4px) + 4px)}.dpad-circle{width:clamp(100px,30dvh,120px);height:clamp(100px,30dvh,120px)}.dpad-knob{--knob: clamp(42px, 12.5dvh, 50px);width:var(--knob);height:var(--knob);margin:calc(var(--knob) / -2) 0 0 calc(var(--knob) / -2)}.action-btn{width:clamp(54px,17dvh,64px);height:clamp(54px,17dvh,64px);font-size:clamp(15px,4.5dvh,18px)}.ab-row .action-btn:first-child{margin-bottom:clamp(12px,5dvh,20px)}.system-btn{width:clamp(46px,14dvh,52px);height:clamp(22px,6.5dvh,24px);font-size:clamp(8px,2.4dvh,9px)}.menu-trigger-btn{font-size:16px}}