:root{color-scheme:dark;--bg: #0b0f19;--bg-surface: #111827;--bg-surface-elevated: #162032;--bg-card: #111827;--bg-card-subtle: #0f172a;--border: #1f2937;--border-focus: #06b6d4;--border-subtle: #1e293b;--text: #f9fafb;--text-secondary: #9ca3af;--text-muted: #6b7280;--cyan: #06b6d4;--cyan-hover: #22d3ee;--cyan-active: #0891b2;--cyan-glow: rgba(6, 182, 212, .25);--green: #10b981;--yellow: #f59e0b;--red: #ef4444;--blue: #3b82f6;--accent: #06b6d4;--panel: #111827;--muted: #9ca3af;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-pill: 9999px;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px -1px rgba(0, 0, 0, .5), 0 2px 4px -2px rgba(0, 0, 0, .4);--shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, .6), 0 8px 10px -6px rgba(0, 0, 0, .5);--shadow-glow: 0 0 25px rgba(6, 182, 212, .2)}*{box-sizing:border-box}body{margin:0;background-color:var(--bg);color:var(--text);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{color:inherit;text-decoration:none}button,input{font:inherit}:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}.app-shell{max-width:1240px;margin:0 auto;padding:0 32px;min-height:100vh;display:flex;flex-direction:column}.site-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:22px 0;border-bottom:1px solid var(--border)}.brand{display:flex;align-items:center;gap:12px;transition:opacity .15s ease}.brand:hover{opacity:.9}.brand-logo-img{width:36px;height:36px;object-fit:contain;border-radius:8px}.brand-text{font-size:20px;letter-spacing:-.5px}.brand-bold{font-weight:800;color:#fff}.brand-light{font-weight:350;color:var(--text-secondary)}.phase-badge{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-pill);border:1px solid var(--border);background:#11182799;font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;color:var(--text-secondary)}.phase-dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);box-shadow:0 0 6px var(--cyan)}.main-layout{display:grid;grid-template-columns:1fr 1.35fr;gap:48px;align-items:start;padding:56px 0 40px;flex:1}.hero-section{display:flex;flex-direction:column;justify-content:center}.hero-content{max-width:520px}.hero-title{font-size:clamp(34px,4.2vw,50px);font-weight:800;line-height:1.15;letter-spacing:-1.5px;color:#fff;margin:0 0 12px}.hero-subtitle{font-size:clamp(18px,2vw,22px);color:var(--text-secondary);font-weight:400;line-height:1.4;margin:0 0 36px}.upload-container{display:flex;flex-direction:column;align-items:flex-start;margin-bottom:24px}.upload-btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:12px;background:var(--cyan);color:#08121f;padding:16px 28px;border-radius:12px;font-weight:700;font-size:16px;cursor:pointer;box-shadow:0 4px 18px #06b6d459;transition:all .2s ease;-webkit-user-select:none;user-select:none}.upload-btn:hover{background:var(--cyan-hover);box-shadow:0 6px 24px #06b6d473;transform:translateY(-1px)}.upload-btn:active{background:var(--cyan-active);transform:translateY(0)}.upload-btn input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.upload-btn-icon{font-size:22px;font-weight:800;line-height:1}.upload-btn-text{letter-spacing:-.2px}.upload-container[aria-busy=true] .upload-btn{opacity:.75;cursor:wait}.upload-formats-hint{font-size:13px;color:var(--text-secondary);margin:14px 0 4px}.upload-privacy-note{font-size:12px;color:var(--text-muted);line-height:1.5;margin:0}.hero-status-row{margin-top:14px;display:flex;align-items:center}.status-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--radius-pill);font-size:12px;font-weight:500;border:1px solid var(--border);background:#11182780;color:var(--text-secondary)}.status-pill.status-ready{color:var(--cyan);border-color:#06b6d459;background:#06b6d414}.status-pill.status-error{color:#fca5a5;border-color:#ef444459;background:#ef44441a}.status-pill.status-loading{color:#fde047;border-color:#facc1559}.status-pill.status-idle{color:var(--text-muted)}.cartridge-warnings{margin:10px 0 0;padding-left:18px;font-size:12px;color:#fde047}.loaded-cartridge-card{margin-top:24px;background:#111827b3;border:1px solid var(--border);border-radius:var(--radius-md);padding:16px 20px}.loaded-cartridge-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.cartridge-badge{font-size:11px;text-transform:uppercase;letter-spacing:.5px;font-weight:700;color:var(--cyan)}.cartridge-format{font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px;color:var(--text-muted)}.cartridge-title{display:block;font-size:16px;font-weight:600;color:#fff;margin-bottom:6px}.cartridge-meta{display:flex;gap:8px;font-size:12px;color:var(--text-secondary);font-family:ui-monospace,SFMono-Regular,monospace}.hero-error-alert{margin-top:20px;padding:14px 18px;background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius-md);color:#fca5a5;font-size:13px;display:flex;align-items:center;gap:10px}.emulator-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);overflow:hidden;display:flex;flex-direction:column}.emulator-card-header{display:flex;justify-content:space-between;align-items:center;padding:16px 22px;border-bottom:1px solid var(--border);background:#0f172a4d}.card-title-group{display:flex;align-items:center;gap:12px}.card-title{font-size:15px;font-weight:600;color:#f3f4f6;margin:0}.card-resolution{font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px;color:var(--text-secondary);background:#1f293799;padding:3px 8px;border-radius:var(--radius-sm);border:1px solid rgba(55,65,81,.5)}.debug-btn{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--border);color:var(--text-secondary);padding:5px 12px;border-radius:var(--radius-sm);font-size:12px;font-weight:500;cursor:pointer;transition:all .15s ease}.debug-btn:hover{border-color:var(--cyan);color:var(--cyan);background:#06b6d414}.debug-icon{font-size:14px}.screen-wrapper{position:relative;margin:18px 20px 14px;background:#000;aspect-ratio:256 / 224;border-radius:8px;border:1px solid #1e293b;overflow:hidden;box-shadow:inset 0 2px 8px #000c}canvas{width:100%;height:100%;display:block;image-rendering:pixelated;image-rendering:crisp-edges}canvas:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px}.screen-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;flex-direction:column;padding:24px;text-align:center;background:#080c14;background-image:radial-gradient(rgba(30,41,59,.5) 1px,transparent 0);background-size:16px 16px}.pixel-mark{font:800 48px/1 ui-monospace,SFMono-Regular,monospace;color:#1e293b;letter-spacing:-6px;margin:0 0 16px -6px}.pixel-mark span{color:var(--cyan);opacity:.85}.placeholder-title{color:#e2e8f0;font-size:15px;font-weight:600;margin-bottom:6px}.placeholder-hint{color:var(--text-muted);font-size:12px;line-height:1.5;max-width:360px;margin:0}.input-hint{margin:0 20px 14px;color:var(--text-secondary);font-size:12px;line-height:1.4}.sram-controls-row{display:flex;flex-wrap:wrap;gap:10px;padding:0 20px 12px}.btn-secondary{position:relative;display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:6px 14px;background:#1f293780;border:1px solid var(--border);border-radius:var(--radius-sm);color:#e5e7eb;font-size:12px;font-weight:500;cursor:pointer;transition:all .15s ease}.btn-secondary:hover:not(:disabled):not(.disabled){border-color:#4b5563;background:#1f2937;color:#fff}.btn-secondary:disabled,.btn-secondary.disabled{opacity:.4;cursor:not-allowed}.btn-file-label input{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer}.btn-file-label.disabled input{cursor:not-allowed}.sram-status-msg{margin:0 20px 12px;font-size:12px;color:var(--cyan);background:#06b6d414;border:1px solid rgba(6,182,212,.2);border-radius:var(--radius-sm);padding:6px 12px}.playback-controls-row{display:flex;flex-wrap:wrap;gap:10px;padding:0 20px 18px}.btn-playback{display:inline-flex;align-items:center;justify-content:center;gap:7px;min-height:40px;padding:8px 18px;border-radius:var(--radius-sm);border:1px solid var(--border);background:#162032;color:#e5e7eb;font-size:13px;font-weight:600;cursor:pointer;transition:all .15s ease}.btn-playback:hover:not(:disabled){border-color:#4b5563;background:#1e293b;color:#fff}.btn-playback:disabled{opacity:.4;cursor:not-allowed}.btn-playback.btn-play:not(:disabled){border-color:#06b6d466;background:#06b6d426;color:#67e8f9}.btn-playback.btn-play:not(:disabled):hover{background:#06b6d440;border-color:var(--cyan);color:#fff}.playback-icon{font-size:12px;line-height:1}.btn-mute.is-muted{color:#f87171;border-color:#ef44444d}.audio-error-msg{margin:0 20px 12px;font-size:12px;color:#fca5a5;background:#ef44441a;border:1px solid rgba(239,68,68,.2);border-radius:var(--radius-sm);padding:6px 12px}.emulator-card-footer{display:flex;justify-content:space-between;align-items:center;padding:14px 22px;border-top:1px solid var(--border);background:#0f172a66}.status-indicator{display:flex;align-items:center;gap:8px}.status-dot{width:8px;height:8px;border-radius:50%;display:inline-block}.status-dot-paused{background:var(--cyan);box-shadow:0 0 6px var(--cyan)}.status-dot-running{background:var(--green);box-shadow:0 0 6px var(--green)}.status-dot-stopped{background:var(--red);box-shadow:0 0 6px var(--red)}.status-dot-idle{background:var(--text-muted)}.status-text{font-size:13px;font-weight:500;color:#e5e7eb}.performance-metrics{display:flex;align-items:center;gap:8px;font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px;color:var(--text-secondary)}.metric-sep{color:#4b5563}.roadmap-section{margin:48px 0 24px;padding-top:28px;border-top:1px solid var(--border)}.roadmap-heading{font-size:13px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:1px;margin:0 0 16px}.roadmap-list{display:flex;flex-wrap:wrap;gap:10px 14px;list-style:none;padding:0;margin:0}.roadmap-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--radius-pill);font-size:13px;transition:all .15s ease}.roadmap-pill.is-completed{border:1px solid rgba(6,182,212,.35);background:#06b6d414;color:#e0f2fe}.roadmap-pill.is-future{border:1px solid var(--border);background:#11182766;color:#6b7280}.roadmap-num{font-family:ui-monospace,SFMono-Regular,monospace;font-size:11px;font-weight:700}.roadmap-pill.is-completed .roadmap-num{color:var(--cyan)}.roadmap-pill.is-future .roadmap-num{color:#4b5563}.roadmap-label{font-weight:500}.roadmap-check{font-size:12px;font-weight:800;color:var(--cyan);margin-left:2px}.site-footer{display:flex;justify-content:space-between;align-items:center;padding:24px 0 32px;border-top:1px solid var(--border);color:var(--text-muted);font-size:12px}.debug-sidebar{position:fixed;top:0;right:0;bottom:0;width:460px;max-width:92vw;background:#111827;border-left:1px solid var(--border);box-shadow:-10px 0 35px #0009;z-index:1000;display:flex;flex-direction:column;transform:translate(100%);transition:transform .28s cubic-bezier(.16,1,.3,1);overflow:hidden}.debug-sidebar.is-open{transform:translate(0)}.debug-sidebar-header{display:flex;justify-content:space-between;align-items:center;padding:18px 22px;border-bottom:1px solid var(--border);background:#0f172abf}.debug-sidebar-title-group{display:flex;align-items:center;gap:10px}.debug-sidebar-title-group h2{font-size:15px;font-weight:600;color:#fff;margin:0}.debug-sidebar-icon{font-size:16px;color:var(--cyan)}.debug-sidebar-close{background:transparent;border:1px solid transparent;color:var(--text-secondary);font-size:18px;line-height:1;padding:6px 10px;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease}.debug-sidebar-close:hover{background:#ffffff1a;color:#fff}.debug-sidebar-body{padding:20px 22px;overflow-y:auto;flex:1}.debug-btn.is-active{border-color:var(--cyan);color:var(--cyan);background:#06b6d41f}.debug-modal-overlay{position:fixed;inset:0;background:#000000bf;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);z-index:1000;display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .15s ease-out}.debug-modal-container{background:#111827;border:1px solid #374151;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:820px;max-height:85vh;display:flex;flex-direction:column;overflow:hidden;animation:slideUp .2s ease-out}.debug-modal-header{display:flex;justify-content:space-between;align-items:center;padding:18px 24px;border-bottom:1px solid var(--border);background:#0f172a99}.debug-modal-title-group{display:flex;align-items:center;gap:10px}.debug-modal-title-group h2{font-size:16px;font-weight:600;color:#fff;margin:0}.debug-modal-icon{font-size:18px;color:var(--cyan)}.debug-modal-close{background:transparent;border:1px solid transparent;color:var(--text-secondary);font-size:18px;line-height:1;padding:6px 10px;border-radius:var(--radius-sm);cursor:pointer;transition:all .15s ease}.debug-modal-close:hover{background:#ffffff1a;color:#fff}.debug-modal-body{padding:20px 24px;overflow-y:auto}.debug-panel{background:transparent;border:none;font-size:13px}.debug-panel .panel-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;padding-bottom:8px;border-bottom:1px solid var(--border)}.debug-panel .panel-heading h2{font-size:14px;font-weight:600;color:#fff;margin:0}.debug-panel .status{display:inline-block;padding:4px 10px;border-radius:var(--radius-sm);border:1px solid var(--border);background:#1f293780;font-size:12px;color:var(--text-secondary);margin-bottom:16px}.debug-panel .status.ready{color:var(--cyan);border-color:#06b6d44d}.debug-panel .status.error,.debug-panel .error-message{color:#fca5a5;background:#ef44441a;border-color:#ef44444d;padding:8px 12px;border-radius:var(--radius-sm)}.debug-panel details{margin-bottom:12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:#0f172a66;padding:10px 14px}.debug-panel summary{font-weight:600;color:#e5e7eb;cursor:pointer;-webkit-user-select:none;user-select:none;outline:none}.debug-panel summary:hover{color:var(--cyan)}.debug-panel dl{margin:12px 0 8px;font-size:12px}.debug-panel dl>div{display:grid;grid-template-columns:1fr 1.2fr;gap:16px;padding:6px 0;border-bottom:1px solid rgba(55,65,81,.4)}.debug-panel dt{color:var(--text-secondary)}.debug-panel dd{margin:0;text-align:right;font-family:ui-monospace,SFMono-Regular,monospace;color:#f3f4f6;overflow-wrap:anywhere}.debug-panel p{margin:8px 0;color:var(--text-secondary);font-size:12px}.debug-panel aside{background:#ef444414;border:1px solid rgba(239,68,68,.25);border-radius:var(--radius-sm);padding:12px 16px;margin:14px 0}.debug-panel aside h3{color:#fca5a5;font-size:13px;font-weight:600;margin:0 0 6px}.debug-panel aside p{color:#fecaca;font-size:12px;margin:0}.debug-panel .empty-state{text-align:center;padding:32px 20px;color:var(--text-muted)}.debug-panel .empty-state h3{color:#d1d5db;font-size:14px;margin:12px 0 6px}.debug-panel .warnings{color:#fde047;font-size:12px;padding-left:20px;margin:8px 0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{transform:translateY(16px);opacity:0}to{transform:translateY(0);opacity:1}}@media(max-width:960px){.main-layout{grid-template-columns:1fr;gap:36px;padding:36px 0 32px}.hero-content{max-width:100%}.app-shell{padding:0 20px}}@media(max-width:540px){.site-header{flex-wrap:wrap;padding:16px 0}.screen-wrapper{margin:12px 14px}.playback-controls-row,.sram-controls-row,.emulator-card-footer{padding-left:14px;padding-right:14px}.site-footer{flex-direction:column;align-items:flex-start;gap:8px}}