:root{--bg-primary: #0f0f0f;--bg-secondary: #1a1a1a;--bg-tertiary: #252525;--bg-panel: #1e1e1e;--text-primary: #eaeaea;--text-secondary: rgba(234, 234, 234, .5);--accent-primary: #4d5f7e;--accent-bronze: #b9aa5f;--accent-gold: #b9aa5f;--accent-orange: #ad6c37;--accent-green: #4b736a;--success: #5dad6b;--warning: #f59e0b;--error: #ad4137;--border: rgba(234, 234, 234, .15);--border-strong: rgba(234, 234, 234, .3);--shadow: rgba(0, 0, 0, .4);--logo-color: #df8917;--key-white-active: #d8d8d0;--key-white-dim: #3a3a3a;--key-black-active: #2a2a2a;--key-black-dim: #1a1a1a;--key-selected: var(--accent-gold);--nav-height: 60px;--sidebar-width: 220px;--spacing-xs: .5rem;--spacing-sm: 1rem;--spacing-md: 1.5rem;--spacing-lg: 2rem;--spacing-xl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--accent-secondary: #5d6f8e}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Jost,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow:hidden}.hidden{display:none!important}.mobile-warning{display:none;background:var(--warning);color:#000;padding:12px 16px;text-align:center;font-size:.9rem;position:relative;z-index:100}.mobile-warning strong{display:block;margin-bottom:4px}@media(max-width:800px){.mobile-warning{display:block}}.warning{position:fixed;top:0;left:0;right:0;background:var(--warning);color:#000;padding:var(--spacing-md);text-align:center;z-index:9999}.app-container{display:flex;flex-direction:row;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.logo-container{border-bottom:1px solid var(--border);padding:0;flex-shrink:0}.logo{width:100%;height:auto;display:block}.sidebar-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.instrument-name-field{border-bottom:1px solid var(--border);padding-bottom:var(--spacing-xs)}.instrument-name-input{display:block;width:100%;box-sizing:border-box;padding:12px var(--spacing-md);background:transparent;border:none;border-left:3px solid transparent;color:var(--text-primary);font-family:inherit;font-size:1rem;font-weight:500;cursor:text;transition:border-left-color .2s ease}.instrument-name-input::placeholder{color:var(--text-muted, var(--text-secondary));font-weight:400}.instrument-name-input:focus{outline:none;border-left-color:var(--accent-primary)}.file-menu{display:flex;flex-direction:column;padding:var(--spacing-sm) 0}.file-menu-sep{border:none;border-top:1px solid var(--border);margin:4px 0}.file-menu-btn{display:flex;align-items:center;gap:var(--spacing-sm);width:100%;padding:10px var(--spacing-md);background:transparent;border:none;border-left:3px solid transparent;color:var(--text-secondary);cursor:pointer;font-size:.95rem;font-family:inherit;font-weight:400;text-align:left;transition:all .2s ease}.file-menu-btn:hover{background:var(--bg-tertiary);color:var(--accent-primary);border-left-color:var(--accent-primary)}.file-menu-icon{width:22px;flex-shrink:0;display:flex;align-items:center;justify-content:center;color:#686868}.file-menu-btn:hover .file-menu-icon{color:var(--accent-primary)}.main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}.top-nav{height:var(--nav-height);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 var(--spacing-md);gap:var(--spacing-md);flex-shrink:0}.nav-tabs{display:flex;gap:4px;flex-grow:1}.nav-tab{padding:8px 20px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;font-size:.95rem;transition:all .2s ease;border-bottom:2px solid transparent}.nav-tab:hover{color:var(--text-primary);background:#ffffff0d}.nav-tab.active{color:var(--text-primary);border-bottom-color:var(--accent-bronze)}.nav-controls{display:flex;align-items:center;gap:12px;flex-shrink:0}.version-badge{font-size:.75rem;color:var(--text-secondary);padding:4px 8px;background:var(--bg-tertiary);border-radius:var(--radius-sm)}.btn-connect{padding:8px 20px;background:linear-gradient(135deg,var(--accent-primary),#5d6f8e);color:#fff;border:none;border-radius:var(--radius-sm);cursor:pointer;font-weight:500;font-size:.9rem;transition:opacity .2s ease}.btn-connect:hover{opacity:.9}.btn-theme{width:36px;height:36px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s ease}.btn-theme:hover{background:var(--bg-primary)}.theme-icon{font-size:1.2rem}.content-area{flex:1;display:flex;flex-direction:column;overflow:hidden;background:var(--bg-primary);padding:var(--spacing-md);gap:var(--spacing-md)}.tab-content{display:none;flex-direction:column;flex:1;overflow:hidden}.tab-content.active{display:flex}.piano-roll-panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-md);display:flex;flex-direction:column;flex-shrink:0;overflow:hidden}.piano-roll-toolbar{display:flex;align-items:center;padding:6px var(--spacing-md);border-bottom:1px solid var(--border);gap:6px}.toolbar-group{display:flex;align-items:center;gap:6px;padding:4px 10px;background:var(--bg-secondary, rgba(255, 255, 255, .03));border:1px solid var(--border);border-radius:var(--radius-sm);flex-shrink:0}.toolbar-label{font-size:.75rem;color:var(--text-secondary);letter-spacing:.03em;font-family:Roboto Mono,monospace;white-space:nowrap}.toolbar-label-spacer{margin-left:6px}.octave-controls{display:flex;align-items:center;gap:6px}.zoom-hint{margin-left:auto;font-family:Roboto Mono,monospace;font-size:.75rem;color:var(--text-secondary);opacity:.6;letter-spacing:.05em;padding:0 4px;flex-shrink:0}.about-btn{width:22px;height:22px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border);border-radius:50%;color:var(--text-secondary);font-size:.75rem;font-family:Roboto Mono,monospace;cursor:pointer;line-height:1;transition:color .15s,border-color .15s;flex-shrink:0}.about-btn:hover{color:var(--accent-primary);border-color:var(--accent-primary)}.length-controls{display:flex;align-items:center;gap:6px}.normalize-controls{display:flex;align-items:center;gap:6px;padding:2px 6px}.export-controls{display:flex;align-items:center;gap:6px}.toolbar-toggle{display:flex;align-items:center;gap:6px;cursor:pointer;-webkit-user-select:none;user-select:none}.toolbar-toggle input{position:absolute;opacity:0;width:0;height:0;pointer-events:none}.toggle-track{position:relative;width:28px;height:16px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:8px;flex-shrink:0;transition:background .2s,border-color .2s}.toggle-thumb{position:absolute;top:2px;left:2px;width:10px;height:10px;background:var(--text-secondary);border-radius:50%;transition:transform .2s,background .2s}.toolbar-toggle input:checked~.toggle-track{background:#b9aa5f26;border-color:#b9aa5f80}.toolbar-toggle input:checked~.toggle-track .toggle-thumb{transform:translate(12px);background:var(--accent-bronze)}.toolbar-toggle:hover .toggle-track{border-color:var(--accent-bronze)}.toolbar-toggle .toolbar-label{color:var(--text-secondary);transition:color .15s;width:46px;display:inline-block}.toolbar-toggle.is-on .toolbar-label{color:var(--accent-bronze)}.toolbar-toggle.is-disabled{opacity:.35;cursor:not-allowed;pointer-events:none}.toolbar-divider-v{width:1px;height:14px;background:var(--border);flex-shrink:0}.export-toggle-btn{padding:4px 10px;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;font-family:Roboto Mono,monospace;font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;transition:color .15s ease;white-space:nowrap}.export-toggle-btn.active,.export-toggle-btn:hover{color:var(--accent-bronze)}.export-size-wrap{display:flex;align-items:center;gap:6px;margin-left:6px;padding-left:8px;border-left:1px solid var(--border)}.pti-badge{font-family:Roboto Mono,monospace;font-size:.65rem;font-weight:600;letter-spacing:.06em;color:var(--text-secondary);opacity:.6}.export-size-bar{width:80px;height:6px;background:#ffffff14;border-radius:3px;overflow:hidden;flex-shrink:0}.export-size-fill{height:100%;width:0%;border-radius:3px;transition:width .3s ease,background-color .3s ease;background:var(--accent-green)}.export-size-fill.warn{background:var(--warning)}.export-size-fill.danger{background:var(--error)}.export-size-label{font-family:Roboto Mono,monospace;font-size:.75rem;color:var(--text-secondary);min-width:52px;white-space:nowrap}.length-btn{width:26px;height:26px;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;transition:color .15s ease}.length-btn:hover{color:var(--accent-bronze)}.toolbar-lock-btn{width:22px;height:22px;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:color .15s ease,opacity .15s ease;margin-left:2px;opacity:.4;padding:0}.toolbar-lock-btn:hover{color:var(--accent-bronze);opacity:1}.toolbar-lock-btn.is-locked{color:var(--accent-bronze);opacity:.75}.lock-svg{width:24px;height:24px;transform:rotate(90deg);display:none;flex-shrink:0}.toolbar-lock-btn.is-locked .locked-icon{display:block}.toolbar-lock-btn:not(.is-locked) .unlocked-icon{display:block}.length-controls.is-unlocked .toolbar-label{opacity:.5}.length-display{min-width:56px;text-align:center;font-family:Roboto Mono,monospace;font-size:.875rem;color:var(--accent-bronze);cursor:ew-resize;-webkit-user-select:none;user-select:none}.octave-btn{width:26px;height:26px;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;font-size:1.1rem;display:flex;align-items:center;justify-content:center;transition:color .15s ease}.octave-btn:hover{color:var(--accent-bronze)}.octave-display{min-width:36px;text-align:center;font-family:Roboto Mono,monospace;font-size:1rem;color:var(--accent-bronze)}.piano-roll-scroll{overflow-x:auto;overflow-y:hidden;padding:var(--spacing-sm);scrollbar-width:none}.piano-roll-scroll::-webkit-scrollbar{display:none}.slip-strip-canvas{display:block;height:26px;cursor:grab;-webkit-user-select:none;user-select:none;margin-top:3px;border-radius:3px}.slip-strip-canvas:active{cursor:grabbing}.slip-strip-controls{display:flex;justify-content:center;padding:3px var(--spacing-sm);border-bottom:1px solid var(--border);flex-shrink:0}.slip-strip-group{display:inline-flex;align-items:center;justify-content:center;gap:4px}.slip-btn{font-family:Roboto Mono,monospace;font-size:.75rem;padding:2px 8px;background:#6a685340;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:background .12s,color .12s}.slip-btn:hover{background:#80684773;color:#c8a96e}.slip-range-label{min-width:160px;text-align:center;font-family:Roboto Mono,monospace;font-size:.75rem;color:var(--text-secondary);letter-spacing:.04em}.zoom-bar{padding:0 var(--spacing-sm) var(--spacing-xs);flex-shrink:0}.zoom-bar-track{position:relative;height:12px;background:#ffffff0f;border-radius:6px;cursor:pointer;-webkit-user-select:none;user-select:none}.zoom-bar-thumb{position:absolute;top:0;height:100%;display:flex;align-items:stretch;border-radius:5px;background:#ad6c374d;transition:background .15s}.zoom-bar-thumb:hover{background:#ad6c3773}.zoom-bar-handle{width:10px;flex-shrink:0;background:#ad6c37a6;border-radius:5px;cursor:ew-resize;transition:background .15s;display:flex;align-items:center;justify-content:center}.zoom-bar-handle:after{content:"";display:block;width:2px;height:6px;background:#fff6;border-radius:1px}.zoom-bar-handle:hover{background:var(--accent-orange)}.zoom-bar-body{flex:1;cursor:grab;min-width:8px}.zoom-bar-body:active{cursor:grabbing}.piano-roll{position:relative;height:240px;min-width:100%}.pr-waveforms{position:absolute;top:0;left:0;right:0;height:80px}.mini-wave{position:absolute;top:0;height:80px;background:var(--bg-secondary);border-radius:2px;overflow:hidden}.mini-wave.dim{opacity:.2}.mini-wave.active{opacity:.8}.mini-wave.selected{opacity:1;outline:2px solid var(--accent-gold);z-index:5}.mini-wave.assigned{box-shadow:inset 0 -3px 0 var(--accent-gold)}.mini-wave.drag-over{outline:2px dashed var(--accent-bronze);outline-offset:-2px;opacity:1;z-index:6}.mini-wave canvas{width:100%;height:100%;display:block}.pr-keys{position:absolute;top:88px;left:0;right:0;height:150px}.pkey{position:absolute;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;padding-bottom:8px;font-size:.72rem;font-family:Roboto Mono,monospace;transition:background .15s ease;-webkit-user-select:none;user-select:none}.pkey.white{top:0;height:150px;background:var(--key-white-dim);border:2px solid var(--bg-panel);border-radius:0 0 4px 4px;color:#777;z-index:1}.pkey.white.in-range{background:var(--key-white-active);color:#2a2a2a}.pkey.black{top:0;height:92px;background:var(--bg-panel);border:none;border-radius:0 0 5px 5px;color:var(--text-secondary);z-index:3}.pkey.black.in-range{color:#eaeaea8c}.pkey.white.selected{background:var(--key-selected)!important;color:#1a1a1a!important;z-index:2}.pkey.black.selected{background:var(--key-selected)!important;color:#1a1a1a!important;z-index:4}.pkey .key-label{line-height:1.05;text-align:center;pointer-events:none}.editor-row{display:flex;flex:1;overflow:hidden;min-height:0}.file-bin{width:300px;flex-shrink:0;display:flex;flex-direction:column;background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.file-bin.drop-active{border-color:var(--accent-bronze);box-shadow:inset 0 0 0 1px var(--accent-bronze)}.file-bin-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-sm) var(--spacing-md);border-bottom:1px solid var(--border);flex-shrink:0}.file-bin-header-actions{display:flex;align-items:center;gap:8px}.file-bin-clear-all{font-family:Roboto Mono,monospace;font-size:.7rem;text-transform:uppercase;letter-spacing:.04em;color:var(--text-secondary);background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);padding:2px 7px;cursor:pointer;transition:color .15s ease,border-color .15s ease}.file-bin-clear-all:hover{color:var(--error);border-color:var(--error)}.file-bin-title{font-family:Roboto Mono,monospace;font-size:.8125rem;font-weight:400;letter-spacing:.03em;color:var(--text-secondary)}.file-bin-count{font-family:Roboto Mono,monospace;font-size:.75rem;color:var(--text-secondary);background:var(--bg-tertiary);padding:2px 8px;border-radius:var(--radius-sm)}.file-bin-list{list-style:none;margin:0;padding:var(--spacing-xs) 0;overflow-y:auto;flex:1}.file-bin-empty{padding:var(--spacing-md);font-family:Roboto Mono,monospace;font-size:.75rem;color:var(--text-secondary);opacity:.6;text-align:center}.file-bin-item{display:flex;align-items:center;gap:6px;padding:5px var(--spacing-md);font-family:Roboto Mono,monospace;font-size:.75rem;color:var(--text-primary);cursor:grab;border-left:2px solid transparent;transition:background .12s ease,color .12s ease;min-width:0}.file-bin-item:hover{background:var(--bg-tertiary);color:var(--accent-bronze)}.file-bin-item:active{cursor:grabbing}.file-bin-item.dragging{opacity:.5}.file-bin-item.assigned{border-left-color:var(--accent-gold)}.file-bin-item.selected{background:#80684747;color:#c8a96e;border-left-color:var(--accent-gold)}.file-bin-item.selected .file-bin-remove,.file-bin-item.selected .file-bin-normalize{opacity:1}.file-bin-item .file-bin-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-bin-item .file-bin-slot{font-size:.7rem;color:var(--accent-gold);flex-shrink:0}.file-bin-remove,.file-bin-normalize{flex-shrink:0;width:16px;height:16px;display:flex;align-items:center;justify-content:center;background:transparent;border:none;color:var(--text-secondary);cursor:pointer;font-size:.85rem;line-height:1;border-radius:2px;opacity:0;transition:opacity .12s ease,color .12s ease;padding:0}.file-bin-item:hover .file-bin-remove,.file-bin-item:hover .file-bin-normalize{opacity:1}.file-bin-remove:hover{color:var(--error)!important}.file-bin-normalize:hover{color:var(--success)!important}.file-bin-normalize:disabled{opacity:.35!important;cursor:default;color:var(--text-secondary)!important}.file-bin-item.normalizing .file-bin-normalize{opacity:1;color:var(--accent-bronze);animation:spin .8s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.sample-editor-panel{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius-md);display:flex;flex-direction:column;flex:1;overflow:hidden;padding:var(--spacing-md);gap:var(--spacing-md)}.sample-waveform-frame{position:relative;flex:1;min-height:200px;background:var(--bg-secondary);border-radius:var(--radius-sm);overflow:hidden}.sample-waveform-canvas{width:100%;height:100%;display:block}.trim-dim{position:absolute;top:0;bottom:0;pointer-events:none;z-index:3;background:var(--bg-secondary);opacity:.82}.trim-dim-start{left:0;width:0}.trim-dim-end{left:100%;right:0}.trim-handle{position:absolute;top:0;bottom:30px;width:4px;background:var(--accent-primary);cursor:ew-resize;z-index:6;-webkit-user-select:none;user-select:none;transform:translate(-1px);transition:box-shadow .12s ease}.trim-handle:before{content:"";position:absolute;top:0;height:4px;width:8px;background:var(--accent-primary);pointer-events:auto}.trim-handle:after{content:"";position:absolute;bottom:0;height:4px;width:8px;background:var(--accent-primary);pointer-events:auto}.trim-handle-start:before,.trim-handle-start:after{left:0;border-radius:0 4px 4px 0}.trim-handle-end{transform:translate(-5px)}.trim-handle-end:before,.trim-handle-end:after{right:0;left:auto;border-radius:4px 0 0 4px}.sample-note-label{position:absolute;top:10px;right:14px;font-family:Roboto Mono,monospace;font-size:1.1rem;color:var(--accent-gold);z-index:7;pointer-events:none}.sample-file-label{position:absolute;bottom:36px;right:14px;font-family:Roboto Mono,monospace;font-size:.85rem;color:var(--text-secondary);z-index:7;pointer-events:none}.playhead{position:absolute;top:0;bottom:0;width:2px;background:var(--accent-gold);left:30%;cursor:ew-resize;z-index:4}.playhead:before{content:"";position:absolute;top:0;left:-5px;border-left:6px solid transparent;border-right:6px solid transparent;border-top:8px solid var(--accent-gold)}.trim-ruler-canvas{position:absolute;bottom:0;left:0;width:100%;height:28px;display:block;z-index:5;pointer-events:none}.transport-controls{display:flex;align-items:center;justify-content:center;gap:var(--spacing-md);padding:var(--spacing-sm);background:var(--bg-secondary);border-radius:var(--radius-sm);flex-shrink:0}.transport-btn{width:44px;height:36px;background:transparent;border:none;color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm);transition:all .2s ease}.transport-btn:hover{background:var(--bg-tertiary);color:var(--accent-bronze)}.transport-btn:active{transform:scale(.95)}@media(max-width:600px){.version-badge,.sidebar{display:none}}.panel-active{outline:1px solid var(--accent-gold)!important;outline-offset:-1px}.resizer-v{width:100%;height:8px;flex-shrink:0;cursor:ns-resize;display:flex;align-items:center;justify-content:center;background:transparent;transition:background .15s ease;z-index:10}.resizer-v:hover{background:#ffffff0a}.resizer-h{width:8px;flex-shrink:0;cursor:ew-resize;display:flex;align-items:center;justify-content:center;background:transparent;transition:background .15s ease;z-index:10}.resizer-h:hover{background:#ffffff0a}.resizer-grip{opacity:0;pointer-events:none;transition:opacity .15s ease;display:flex;align-items:center;justify-content:center}.resizer-v:hover .resizer-grip,.resizer-h:hover .resizer-grip{opacity:1}.resizer-v .resizer-grip:before{content:"";display:block;width:36px;height:4px;border-radius:2px;background:repeating-linear-gradient(to right,var(--accent-bronze) 0px,var(--accent-bronze) 3px,transparent 3px,transparent 7px)}.resizer-h .resizer-grip:before{content:"";display:block;width:4px;height:36px;border-radius:2px;background:repeating-linear-gradient(to bottom,var(--accent-bronze) 0px,var(--accent-bronze) 3px,transparent 3px,transparent 7px)}.resizer-v.dragging,.resizer-h.dragging{background:#b9aa5f1a}.resizer-v.dragging .resizer-grip,.resizer-h.dragging .resizer-grip{opacity:1}*{scrollbar-width:thin;scrollbar-color:var(--bg-tertiary) transparent}*::-webkit-scrollbar{width:6px;height:6px}*::-webkit-scrollbar-track{background:transparent}*::-webkit-scrollbar-thumb{background:var(--bg-tertiary);border-radius:3px}*::-webkit-scrollbar-thumb:hover{background:var(--accent-bronze)}*::-webkit-scrollbar-corner{background:transparent}.mini-wave.multi-selected{outline:1px solid rgba(93,173,107,.75);background:#5dad6b24;cursor:grab;z-index:1}.mini-wave.multi-selected:active{cursor:grabbing}.mini-wave.selected.multi-selected{outline:none;background:revert;cursor:default}.mini-wave.move-source{opacity:.28;outline:1px dashed rgba(93,173,107,.4)}.mini-wave.move-target{outline:2px solid var(--accent-bronze);background:#b9aa5f38;z-index:2}.ctx-menu{position:fixed;z-index:1002;background:var(--bg-panel);border:1px solid var(--border-strong);border-radius:var(--radius-sm);min-width:192px;padding:4px 0;box-shadow:0 8px 28px #0000008c;animation:modal-enter .1s ease;-webkit-user-select:none;user-select:none}.ctx-item{display:flex;align-items:center;justify-content:space-between;width:100%;padding:7px 14px;background:transparent;border:none;color:var(--text-primary);font-family:Roboto Mono,monospace;font-size:.78rem;cursor:pointer;text-align:left;white-space:nowrap;position:relative;transition:background .1s ease}.ctx-item:hover,.ctx-item:hover>.ctx-submenu{background:#b9aa5f1a}.ctx-item-danger{color:#e07070}.ctx-item-danger:hover{background:#ad413726}.ctx-arrow{font-size:.6rem;opacity:.45;margin-left:16px;flex-shrink:0}.ctx-has-sub{cursor:default}.ctx-submenu{display:none;position:absolute;left:100%;top:-4px;background:var(--bg-panel);border:1px solid var(--border-strong);border-radius:var(--radius-sm);min-width:220px;max-width:340px;max-height:280px;overflow-y:auto;padding:4px 0;box-shadow:0 8px 24px #00000080;z-index:1003}.ctx-has-sub:hover>.ctx-submenu{display:block}.ctx-sub-item{display:block;width:100%;padding:6px 14px;background:transparent;border:none;color:var(--text-primary);font-family:Roboto Mono,monospace;font-size:.78rem;cursor:pointer;text-align:left;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background .1s ease}.ctx-sub-item:hover{background:#b9aa5f1a}.ctx-separator{height:1px;background:var(--border);margin:4px 0}.confirm-overlay{position:fixed;inset:0;background:#0009;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);display:flex;align-items:center;justify-content:center;z-index:1001}.confirm-modal{background:var(--bg-panel);border:1px solid var(--border-strong);border-radius:var(--radius-md);padding:var(--spacing-md);display:flex;flex-direction:column;gap:14px;min-width:280px;max-width:380px;box-shadow:0 16px 40px #00000080;animation:modal-enter .14s ease}.confirm-message{font-family:Roboto Mono,monospace;font-size:.8125rem;font-weight:400;color:var(--text-primary);margin:0}.confirm-actions{display:flex;justify-content:flex-end;gap:var(--spacing-sm);padding-top:6px;border-top:1px solid var(--border)}.confirm-btn-cancel{padding:7px 18px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;font-family:Roboto Mono,monospace;font-size:.82rem;transition:border-color .12s ease,color .12s ease}.confirm-btn-cancel:hover{border-color:var(--border-strong);color:var(--text-primary)}.confirm-btn-danger{padding:7px 18px;background:#ad41372e;border:1px solid rgba(173,65,55,.5);border-radius:var(--radius-sm);color:#e07070;cursor:pointer;font-family:Roboto Mono,monospace;font-size:.82rem;transition:background .12s ease,border-color .12s ease}.confirm-btn-danger:hover{background:#ad413752;border-color:#ad4137bf}.confirm-btn-danger:focus-visible{outline:2px solid rgba(173,65,55,.6);outline-offset:2px}.confirm-btn-primary{padding:7px 18px;background:linear-gradient(135deg,var(--accent-primary),#5d6f8e);border:none;border-radius:var(--radius-sm);color:#fff;cursor:pointer;font-family:Roboto Mono,monospace;font-size:.82rem;transition:opacity .12s ease}.confirm-btn-primary:hover{opacity:.88}.confirm-btn-primary:focus-visible{outline:2px solid rgba(77,95,126,.7);outline-offset:2px}.mapping-overlay{position:fixed;inset:0;background:#000000b8;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:1000}.mapping-modal{background:var(--bg-panel);border:1px solid var(--border-strong);border-radius:var(--radius-md);width:700px;max-width:calc(100vw - 40px);padding:var(--spacing-md);display:flex;flex-direction:column;gap:14px;box-shadow:0 32px 64px #0009;animation:modal-enter .18s ease}@keyframes modal-enter{0%{opacity:0;transform:translateY(-14px)}to{opacity:1;transform:translateY(0)}}.mapping-modal-header{display:flex;align-items:center;gap:var(--spacing-md);padding-bottom:12px;border-bottom:1px solid var(--border)}.mapping-modal-title{font-family:Roboto Mono,monospace;font-size:.8125rem;font-weight:400;letter-spacing:.03em;color:var(--text-primary);flex-shrink:0}.mapping-header-summary{flex:1;font-family:Roboto Mono,monospace;font-size:.78rem;color:var(--text-secondary)}.mapping-close-btn{width:28px;height:28px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;font-size:1.1rem;line-height:1;display:flex;align-items:center;justify-content:center;transition:color .12s ease,border-color .12s ease}.mapping-close-btn:hover{color:var(--text-primary);border-color:var(--border-strong)}.mapping-options-row{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-sm);padding:10px 0;border-bottom:1px solid var(--border)}.mapping-options-right{display:flex;align-items:center;gap:var(--spacing-sm);margin-left:auto}.mapping-preview-wrapper{background:var(--bg-secondary);border-radius:var(--radius-sm);overflow:hidden;height:90px}.mapping-preview-canvas{width:100%;height:90px;display:block}.mapping-info-row{display:flex;align-items:center;justify-content:space-between;gap:var(--spacing-sm)}.mapping-info-text{font-family:Roboto Mono,monospace;font-size:.78rem;color:var(--text-secondary)}.mapping-reset-link{background:transparent;border:none;font-family:Roboto Mono,monospace;font-size:.72rem;color:var(--text-secondary);cursor:pointer;text-decoration:underline;text-decoration-color:transparent;transition:color .12s ease,text-decoration-color .12s ease;flex-shrink:0}.mapping-reset-link:hover{color:var(--accent-bronze);text-decoration-color:var(--accent-bronze)}.mapping-offset-controls{display:flex;align-items:center;justify-content:center;gap:10px}.mapping-offset-btn{padding:6px 14px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;font-family:Roboto Mono,monospace;font-size:.8rem;transition:border-color .12s ease,color .12s ease}.mapping-offset-btn:hover{border-color:var(--accent-bronze);color:var(--accent-bronze)}.mapping-offset-display{min-width:240px;text-align:center;font-family:Roboto Mono,monospace;font-size:.88rem;color:var(--accent-bronze)}.mapping-modal-actions{display:flex;align-items:center;justify-content:flex-end;gap:var(--spacing-sm);padding-top:10px;border-top:1px solid var(--border)}.mapping-btn-cancel{padding:8px 20px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;font-family:Roboto Mono,monospace;font-size:.82rem;transition:border-color .12s ease,color .12s ease}.mapping-btn-cancel:hover{border-color:var(--border-strong);color:var(--text-primary)}.mapping-btn-apply{padding:8px 28px;background:linear-gradient(135deg,var(--accent-primary),#5d6f8e);border:none;border-radius:var(--radius-sm);color:#fff;cursor:pointer;font-family:Roboto Mono,monospace;font-size:.82rem;transition:opacity .12s ease}.mapping-btn-apply:hover{opacity:.88}.mapping-trim-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0 2px;border-top:1px solid var(--border)}.mapping-trim-label{font-family:Roboto Mono,monospace;font-size:.78rem;color:var(--text-secondary);letter-spacing:.03em}.mapping-trim-toggle{padding:4px 16px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;font-family:Roboto Mono,monospace;font-size:.75rem;letter-spacing:.06em;transition:all .15s ease}.mapping-trim-toggle.active{background:#5dad6b26;border-color:#5dad6b80;color:var(--success)}.mapping-trim-toggle:hover{border-color:var(--border-strong)}.mapping-layer-select{padding:4px 8px;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);cursor:pointer;font-family:Roboto Mono,monospace;font-size:.75rem;letter-spacing:.06em;outline:none}.mapping-layer-select:focus{border-color:var(--border-strong)}.flash-tab-header{display:flex;align-items:center;justify-content:space-between;padding:12px var(--spacing-lg);background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0;gap:12px}.flash-header-left{display:flex;align-items:center;gap:12px;min-width:0}.flash-header-left h2{margin:0;font-size:1.1rem;font-weight:600;color:var(--text-primary);white-space:nowrap}.flash-header-right{display:flex;align-items:center;gap:10px;flex-shrink:0}.flash-sidebar-nav{display:flex;flex-direction:column;gap:var(--spacing-xs);padding-top:var(--spacing-sm)}.flash-sidebar-btn{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);border:none;background:transparent;color:var(--text-secondary);font-size:.95rem;text-align:left;cursor:pointer;transition:all .2s ease;border-left:3px solid transparent;width:100%}.flash-sidebar-btn:hover{background:var(--bg-tertiary);color:var(--text-primary)}.flash-sidebar-btn.active{background:var(--bg-tertiary);color:var(--accent-primary);border-left-color:var(--accent-primary)}.flash-sidebar-btn .sidebar-icon{font-size:1.1rem;width:22px;text-align:center}.flash-sidebar-btn .sidebar-icon.sidebar-info-icon{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;border:1.5px solid currentColor;font-size:.75rem;font-weight:600;line-height:1}.flash-content-area{flex:1;overflow-y:auto;padding:var(--spacing-lg)}.flash-section{display:none}.flash-section.active{display:block}.btn-connect{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:var(--accent-primary);color:#fff;border:none;border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;cursor:pointer;transition:background .2s;letter-spacing:.04em}.btn-connect:hover{background:var(--accent-secondary)}.btn-connect.connecting{background:var(--text-secondary);cursor:default}.btn-connect-icon{font-size:.6rem}.btn-spinner{display:none;width:12px;height:12px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:spin .8s linear infinite}.btn-disconnect{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;background:transparent;color:var(--error);border:1px solid var(--error);border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;cursor:pointer;transition:all .2s;letter-spacing:.04em}.btn-disconnect:hover{background:#ad41371f}.flash-connection-status{display:flex;align-items:center;gap:6px;font-size:.85rem}.flash-connection-status .status-indicator{width:10px;height:10px;border-radius:50%;flex-shrink:0}.flash-connection-status.disconnected .status-indicator{background:var(--error)}.flash-connection-status.connected .status-indicator{background:var(--success);box-shadow:0 0 6px var(--success)}#version-number{font-family:Roboto Mono,monospace;font-size:.8125rem;font-weight:600;color:var(--text-secondary);background:var(--bg-tertiary);padding:2px 7px;border-radius:var(--radius-sm);white-space:nowrap}.card{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:var(--spacing-lg);margin-bottom:var(--spacing-lg);border:1px solid var(--border);box-shadow:0 2px 8px var(--shadow)}.card.compact{padding:var(--spacing-md);margin-bottom:var(--spacing-md)}.card.compact h3{margin-bottom:var(--spacing-xs);font-size:.9rem}.card.compact h4{margin-bottom:var(--spacing-xs);font-size:.8125rem}.flash-section h3{font-size:.9rem;font-weight:600;margin-bottom:var(--spacing-sm);color:var(--text-primary)}.flash-section h4{font-size:.8125rem;font-weight:500;margin-bottom:var(--spacing-xs);color:var(--text-secondary)}.header-with-status{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--spacing-md)}.header-with-status h2{margin:0}.heading-with-help{display:flex;align-items:center;gap:8px}.heading-with-help h2,.heading-with-help h3{margin:0}.header-with-subtitle{margin-bottom:var(--spacing-sm)}.header-with-subtitle h3{margin:0 0 1px}.progress-subtitle{font-size:.85rem;color:var(--text-secondary);margin:0;line-height:1.3}.btn{padding:var(--spacing-sm) var(--spacing-md);border:none;border-radius:var(--radius-sm);font-size:.95rem;font-weight:400;cursor:pointer;transition:all .2s}.btn-primary{background:var(--accent-primary);color:#fff}.btn-primary:hover{background:var(--accent-secondary)}.btn-primary.btn-disabled,.btn-danger.btn-disabled,.btn-secondary.btn-disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-secondary)}.btn-danger{background:var(--error);color:#fff}.btn-danger:hover{background:#923730}@keyframes spin{to{transform:rotate(360deg)}}.spinner{display:inline-block;width:20px;height:20px;border:3px solid var(--border);border-top-color:var(--accent-primary);border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle}.spinner-container{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--text-secondary);padding:var(--spacing-md)}.releases-scroll-container{max-height:180px;overflow-y:auto;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-tertiary)}.releases-scroll-container::-webkit-scrollbar{width:8px}.releases-scroll-container::-webkit-scrollbar-track{background:var(--bg-tertiary)}.releases-scroll-container::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}.release-list-item{padding:8px 12px;border-bottom:1px solid var(--border);cursor:pointer;transition:all .2s;background:var(--bg-secondary)}.release-list-item:last-child{border-bottom:none}.release-list-item:hover{background:var(--bg-tertiary)}.release-list-item.selected{background:#4a9eff26;border-left:3px solid var(--accent-primary);padding-left:9px}.release-list-item .release-version{font-size:.85rem;font-weight:500;color:var(--text-primary);margin-bottom:2px}.release-list-item.selected .release-version{color:var(--accent-primary)}.release-list-item .release-meta{font-size:.75rem;color:var(--text-secondary)}.release-badge{display:inline-block;padding:1px 5px;background:var(--accent-primary);color:#fff;border-radius:3px;font-size:.65rem;font-weight:600;text-transform:uppercase}.file-upload-area{position:relative}#file-input{position:absolute;opacity:0;pointer-events:none}.file-drop-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-md);background:var(--bg-tertiary);border:2px dashed var(--border);border-radius:var(--radius-md);cursor:pointer;transition:all .2s;text-align:center;min-height:60px}.file-drop-zone:hover,.file-drop-zone.drag-over{border-color:var(--accent-primary);background:var(--bg-secondary)}.upload-icon{font-size:1.4rem;margin-bottom:4px}#file-name{font-size:.85rem;color:var(--text-secondary)}.clear-data-toggle{display:flex;flex-direction:column;gap:6px;margin-top:16px;padding-top:14px;border-top:1px solid var(--border)}.toggle-label{display:flex;align-items:center;gap:10px;cursor:pointer;-webkit-user-select:none;user-select:none;font-size:.9rem;color:var(--text-primary)}.toggle-label input[type=checkbox]{width:16px;height:16px;accent-color:var(--error);cursor:pointer}.clear-data-warning{font-size:.82rem;color:var(--error);margin:0;padding:6px 8px;background:#ad413714;border-left:3px solid var(--error);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.card-description{font-size:.85rem;color:var(--text-secondary);margin:0 0 12px}.flash-grid{display:grid;grid-template-columns:1.7fr 1fr;gap:var(--spacing-md);align-items:stretch;margin-bottom:var(--spacing-md)}.flash-col-main,.flash-col-side{display:flex;flex-direction:column}.flash-col-main .card{flex:1;margin-bottom:0}.flash-col-side .card{margin-bottom:var(--spacing-md)}.flash-col-side .card:last-child{margin-bottom:0}.progress-steps{display:flex;justify-content:space-between;margin-bottom:var(--spacing-sm);gap:8px}.step{display:flex;flex-direction:column;align-items:center;gap:4px;flex:1;opacity:.4;transition:opacity .3s}.step.active,.step.complete{opacity:1}.step-icon{width:32px;height:32px;border-radius:50%;background:var(--bg-tertiary);border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:.9rem}.step.active .step-icon{background:var(--accent-primary);border-color:var(--accent-primary);color:#fff}.step.complete .step-icon{background:var(--success);border-color:var(--success);color:#fff}.step.complete .step-icon:before{content:"✓"}.step-label{font-size:.75rem;color:var(--text-secondary);text-align:center;white-space:nowrap}.step.active .step-label{color:var(--text-primary)}.step-progress{width:100%;height:3px;background:var(--bg-tertiary);border-radius:2px;overflow:hidden;margin-top:2px;opacity:0;transition:opacity .3s}.step.active .step-progress,.step.complete .step-progress{opacity:1}.step-progress-fill{height:100%;background:var(--accent-primary);width:0%;transition:width .3s}.step.complete .step-progress-fill{width:100%;background:var(--success)}.step.step-skipped:not(.active):not(.complete){opacity:.7}.step.step-skipped:not(.active):not(.complete) .step-icon{border-color:var(--error);font-size:0}.step.step-skipped:not(.active):not(.complete) .step-icon:before{content:"✕";font-size:.9rem;color:var(--error)}.step.step-skipped:not(.active):not(.complete) .step-label{color:var(--error)}.overall-progress{margin:var(--spacing-sm) 0 0}.progress-bar{width:100%;height:24px;background:var(--bg-tertiary);border-radius:var(--radius-sm);overflow:hidden;margin-bottom:var(--spacing-xs);position:relative}.progress-percent-overlay{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);font-size:.8rem;font-weight:500;color:var(--text-primary);z-index:10;pointer-events:none}.progress-fill{height:100%;background:linear-gradient(90deg,var(--accent-primary),var(--accent-secondary));width:0%;transition:width .3s,background .5s;border-radius:var(--radius-sm)}.progress-fill.success{background:linear-gradient(90deg,var(--success),#6ebf7b)}.progress-message{text-align:center;color:var(--text-secondary);font-size:.8rem;margin:0;line-height:1.3}.success-card{border-color:var(--success)}.error-card{border-color:var(--error)}#error-message{color:var(--error);margin:var(--spacing-md) 0}.note{color:var(--text-secondary);font-size:.9rem;margin-top:var(--spacing-sm)}.section-description{color:var(--text-secondary);margin-bottom:var(--spacing-lg);line-height:1.6}.info-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.info-item{display:flex;justify-content:space-between;padding:var(--spacing-sm);background:var(--bg-tertiary);border-radius:var(--radius-sm)}.info-label{color:var(--text-secondary)}.info-value{color:var(--text-primary);font-family:Monaco,Menlo,monospace;font-size:.9rem}.terminal-container{border:1px solid #3c3c3c;border-radius:var(--radius-md);overflow:hidden;background:#1e1e1e}.terminal-toolbar{background:#2d2d2d;border-bottom:1px solid #3c3c3c;padding:5px 10px;min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:8px}.terminal-toolbar-left,.terminal-toolbar-right{display:flex;align-items:center;gap:6px}.terminal-port-label{font-family:Monaco,Menlo,Courier New,monospace;font-size:.75rem;color:gray}.terminal-port-label.connected{color:var(--success)}.terminal-checkbox{display:flex;align-items:center;gap:5px;font-size:.78rem;color:#9d9d9d;cursor:pointer;-webkit-user-select:none;user-select:none}.terminal-checkbox input[type=checkbox]{accent-color:var(--success);width:13px;height:13px}.terminal-btn{background:transparent;border:1px solid #4c4c4c;color:#ccc;padding:2px 10px;border-radius:3px;font-size:.78rem;cursor:pointer;transition:background .15s}.terminal-btn:hover{background:#3c3c3c}.terminal-btn.terminal-btn-primary{border-color:var(--success);color:var(--success)}.terminal-btn.terminal-btn-primary:hover{background:#5dad6b26}.terminal-btn.terminal-btn-danger{border-color:var(--error);color:var(--error)}.terminal-btn.terminal-btn-danger:hover{background:#ad413726}.serial-output{background:#1e1e1e;padding:8px 12px;font-family:Monaco,Menlo,Courier New,monospace;font-size:.82rem;height:480px;overflow-y:auto;color:#ccc;line-height:1.55;scrollbar-width:thin;scrollbar-color:#424242 #1e1e1e}.serial-output::-webkit-scrollbar{width:8px}.serial-output::-webkit-scrollbar-track{background:#1e1e1e}.serial-output::-webkit-scrollbar-thumb{background:#424242;border-radius:4px}.serial-placeholder{color:#555;font-style:italic}.serial-line-info{color:#ccc}.serial-line-ok{color:#4ec9b0}.serial-line-warn{color:#dcdcaa}.serial-line-error{color:#f48771}.serial-line-prompt{color:#6a9955}.serial-line-header{color:#9cdcfe}.serial-line-value{color:#ce9178}.about-content{text-align:center}.about-description{max-width:600px;margin:0 auto var(--spacing-lg);color:var(--text-secondary);line-height:1.6}.about-attribution{max-width:600px;margin:var(--spacing-md) auto 0;color:var(--text-secondary);font-size:.8rem;line-height:1.6;opacity:.75}.about-attribution a{color:var(--accent-primary);text-decoration:none}.about-attribution a:hover{text-decoration:underline}.link-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:var(--spacing-sm);max-width:800px;margin:0 auto var(--spacing-lg)}.project-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-sm);text-decoration:none;color:var(--text-primary);border:1px solid var(--border);transition:all .2s}.project-link:hover{border-color:var(--accent-primary)}.copyright{margin-top:var(--spacing-xl);padding-top:var(--spacing-lg);border-top:1px solid var(--border);color:var(--text-secondary);font-size:.85rem}.toast{position:fixed;top:80px;left:50%;transform:translate(-50%);width:fit-content;min-width:320px;max-width:600px;padding:14px 18px;border-radius:var(--radius-sm);display:flex;align-items:center;gap:12px;font-size:.95rem;z-index:9000;box-shadow:0 4px 20px #0006;opacity:0;pointer-events:none;transition:opacity .2s}.toast.visible{opacity:1;pointer-events:auto}.toast-info{border:1px solid var(--accent-primary);background:#2196f31f;color:#64b5f6}.toast-error{border:1px solid var(--error);background:#f443361f;color:#ff8a80}.toast-success{border:1px solid var(--success);background:#4caf501f;color:#69f0ae}.toast span:first-child{flex:1}.toast-close{background:transparent;border:none;color:inherit;cursor:pointer;font-size:.85rem;opacity:.7}.toast-close:hover{opacity:1}.help-btn{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--text-secondary);background:transparent;color:var(--text-secondary);font-size:.75rem;font-weight:600;cursor:pointer;flex-shrink:0;transition:border-color .2s,color .2s;padding:0;margin-left:4px}.help-btn:hover{border-color:var(--accent-primary);color:var(--accent-primary)}.help-modal-overlay{position:fixed;inset:0;background:#0000008c;display:flex;align-items:center;justify-content:center;z-index:1000;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.help-modal-overlay.hidden{display:none}.help-modal-box{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:32px 36px;max-width:480px;width:90%;position:relative;box-shadow:0 8px 32px #0006}.help-modal-box h3{margin-top:0;margin-bottom:var(--spacing-md)}.help-modal-box h4{margin-top:var(--spacing-md);margin-bottom:var(--spacing-xs)}.help-modal-box p{color:var(--text-secondary);line-height:1.6;margin-bottom:var(--spacing-sm)}.help-modal-box ul{color:var(--text-secondary);margin-left:var(--spacing-md);line-height:1.8}.help-modal-close{position:absolute;top:12px;right:14px;background:transparent;border:none;color:var(--text-secondary);font-size:1rem;cursor:pointer;padding:2px 4px;border-radius:3px}.help-modal-close:hover{color:var(--text-primary);background:var(--bg-tertiary)}#tab-flash{display:none;flex-direction:column;overflow:hidden}#tab-flash.active{display:flex}.about-modal-overlay{position:fixed;inset:0;background:#000000b8;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;z-index:1000}.about-modal-overlay.hidden{display:none}.about-modal{background:var(--bg-panel);border:1px solid var(--border-strong);border-radius:var(--radius-md);width:520px;max-width:calc(100vw - 40px);padding:var(--spacing-md);display:flex;flex-direction:column;gap:var(--spacing-sm);box-shadow:0 32px 64px #0009;animation:modal-enter .18s ease}.about-modal-header{display:flex;align-items:center;justify-content:space-between;padding-bottom:var(--spacing-sm);border-bottom:1px solid var(--border)}.about-modal-title{font-family:Roboto Mono,monospace;font-size:.8125rem;font-weight:400;letter-spacing:.03em;color:var(--text-primary)}.about-modal-close{width:28px;height:28px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;font-size:1.1rem;line-height:1;display:flex;align-items:center;justify-content:center;transition:color .15s,border-color .15s}.about-modal-close:hover{color:var(--text-primary);border-color:var(--text-secondary)}.about-modal-body{display:flex;flex-direction:column;gap:var(--spacing-sm);color:var(--text-secondary);font-size:.9rem;line-height:1.6}.about-modal-body p{margin:0}.about-modal-body a{color:var(--accent-primary);text-decoration:none}.about-modal-body a:hover{text-decoration:underline}.about-credit-block{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-sm) var(--spacing-md);background:var(--bg-tertiary);border-radius:var(--radius-sm);border:1px solid var(--border)}.about-credit-label{font-size:.75rem;color:var(--text-secondary);opacity:.7;flex-shrink:0;margin:0!important}.about-credit-link{display:flex;align-items:baseline;gap:8px;text-decoration:none!important}.about-credit-name{font-family:Roboto Mono,monospace;font-size:.95rem;color:var(--accent-primary);font-weight:600}.about-credit-by{font-size:.8rem;color:var(--text-secondary)}.about-credit-thanks{font-size:.85rem;opacity:.8}.about-modal-body .link-grid{margin:0;max-width:100%}