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var(--transition)}.float-pill:hover,.float-pill.copied{color:var(--text)}.float-icon{display:flex;align-items:center;justify-content:center;width:28px;height:28px;padding:0;background:var(--bg-hover);color:var(--text-secondary);border:none;outline:none;border-radius:var(--radius-sm);box-shadow:0 2px 0 var(--shadow);cursor:pointer;transition:color var(--transition)}.float-icon:hover,.float-icon.copied{color:var(--text)}.float-icon.active{color:var(--text);opacity:1}.float-clear{position:absolute;top:6px;right:6px;width:32px;height:32px;display:flex;align-items:center;justify-content:center;padding:0;background:var(--bg-hover);color:var(--text-secondary);border:none;outline:none;border-radius:var(--radius-sm);box-shadow:0 2px 0 var(--shadow);cursor:pointer;transition:color var(--transition)}.float-clear:hover{color:var(--text)}.float-info{position:absolute;bottom:12px;left:12px;font-size:.68rem;color:var(--text-secondary);pointer-events:none}@keyframes 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(pointer:coarse){.tool-picker{position:fixed;top:max(8px,env(safe-area-inset-top,0px));left:max(8px,env(safe-area-inset-left,0px));right:max(8px,env(safe-area-inset-right,0px));bottom:max(8px,env(safe-area-inset-bottom,0px));min-width:0;width:auto;max-width:none;max-height:calc(100vh - max(8px,env(safe-area-inset-top,0px)) - max(8px,env(safe-area-inset-bottom,0px)));max-height:calc(100svh - max(8px,env(safe-area-inset-top,0px)) - max(8px,env(safe-area-inset-bottom,0px)));max-height:calc(100dvh - max(8px,env(safe-area-inset-top,0px)) - max(8px,env(safe-area-inset-bottom,0px)));z-index:200}.tool-picker-format-item,.tool-picker-tool-item{padding:12px 14px;min-height:44px}.tool-picker-search 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var(--transition);opacity:.5}.batch-toggle:hover{opacity:1;color:var(--text)}.batch-toggle.active{opacity:1;color:var(--text);background:var(--bg-raised);box-shadow:0 1px 0 var(--shadow)}.selector-extra-actions{display:flex;align-items:center;gap:8px;flex-shrink:0}.tool-mode-actions{display:flex;align-items:center;gap:6px;margin-left:auto;flex-shrink:0}.tool-description{color:var(--text-secondary);font-size:.85rem;line-height:1.4}.convert-textareas{display:flex;gap:8px;align-items:stretch;flex:1;min-height:0}.convert-side{flex:1;min-width:0;min-height:0;display:flex;flex-direction:column}.convert-side .textarea-area{flex:1;min-height:0;display:flex;flex-direction:column}.convert-side .textarea-area textarea{flex:1}.convert-textareas .convert-side:last-child textarea{text-align:right;font-family:var(--font-mono, ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", 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var(--transition)}.color-picker-btn:hover{color:var(--text)}.color-picker-input{position:absolute;width:0;height:0;opacity:0;pointer-events:none}.color-swatch{position:absolute;bottom:12px;left:12px;width:28px;height:28px;border-radius:var(--radius-sm);box-shadow:0 2px 0 var(--shadow);transition:background .2s ease}.color-swatch+.float-info,.color-swatch~.float-info{left:48px}.base64-preview{margin-top:8px;padding:8px;background:var(--bg-raised);border-radius:var(--radius-sm);display:flex;justify-content:center}.base64-preview img{max-width:100%;max-height:200px;border-radius:var(--radius-sm)}.fav-pairs{display:flex;gap:4px;flex-wrap:wrap}.fav-pair-btn{padding:2px 10px;background:var(--bg-raised);color:var(--text-secondary);border:none;outline:none;border-radius:var(--radius-pill);font-family:inherit;font-size:.7rem;font-weight:500;cursor:pointer;transition:color var(--transition),background var(--transition)}.fav-pair-btn:hover{background:var(--bg-hover);color:var(--text)}.fav-pair-btn.active{color:var(--text)}.chain-hint{display:flex;align-items:center;gap:6px;font-size:.72rem;color:var(--text-secondary);padding:2px 0;flex-wrap:wrap}.chain-hint-btn{padding:2px 10px;background:var(--bg-raised);color:var(--text-secondary);border:none;outline:none;border-radius:var(--radius-pill);font-family:inherit;font-size:.7rem;font-weight:500;cursor:pointer;transition:color var(--transition),background var(--transition)}.chain-hint-btn:hover{background:var(--bg-hover);color:var(--text)}.tool-panels{display:flex;flex-direction:column;gap:16px}.panel{display:flex;flex-direction:column;gap:6px}.panel-label-row{display:flex;align-items:center;justify-content:space-between}.panel-label{font-size:.8rem;font-weight:500;color:var(--text-secondary)}.panel-actions{display:flex;gap:6px}.param-input{width:100%;padding:12px 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14px}.drop-zone{min-height:100px;padding:20px 16px}}.history{display:flex;flex-direction:column;gap:10px}.history-header{display:flex;align-items:center;justify-content:space-between;padding:0 2px}.history-label{font-size:.78rem;font-weight:600;color:var(--text-secondary);letter-spacing:.01em}.history-clear{padding:4px 10px;background:none;color:var(--text-secondary);border:none;outline:none;border-radius:var(--radius-sm);font-family:inherit;font-size:.72rem;font-weight:500;cursor:pointer;transition:color var(--transition)}.history-clear:hover{color:var(--text)}.history-scroll{display:flex;gap:8px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;-ms-overflow-style:none;scroll-snap-type:x mandatory}.history-scroll::-webkit-scrollbar{display:none}.history-card{display:flex;flex-direction:column;gap:6px;padding:12px 14px;min-width:200px;max-width:260px;background:var(--bg-raised);border:none;outline:none;border-radius:var(--radius-sm);box-shadow:0 3px 0 var(--shadow);cursor:pointer;text-align:left;font-family:inherit;transition:background var(--transition);flex-shrink:0;scroll-snap-align:start;position:relative}.history-card-remove{position:absolute;top:4px;right:4px;width:24px;height:24px;display:flex;align-items:center;justify-content:center;padding:0;background:none;color:var(--text-secondary);border:none;outline:none;border-radius:var(--radius-sm);cursor:pointer;opacity:0;transition:opacity var(--transition),color var(--transition),background var(--transition)}.history-card:hover .history-card-remove{opacity:.65}.history-card-remove:hover{opacity:1!important;color:var(--text);background:var(--bg-hover)}.history-card:hover{background:var(--bg-hover)}.history-card-top{display:flex;align-items:center;justify-content:space-between;gap:8px}.history-card-route{display:flex;align-items:center;gap:4px;font-size:.72rem;font-weight:600;color:var(--text-secondary);white-space:nowrap}.history-arrow{flex-shrink:0}.history-card-time{font-size:.68rem;color:var(--text-secondary);flex-shrink:0}.history-card-preview{font-size:.8rem;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3}.history-card-output{font-size:.75rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.3}.history-card-actions{display:flex;gap:4px;margin-top:2px}.history-card-btn{padding:3px 10px;background:var(--bg-hover);color:var(--text-secondary);border:none;outline:none;border-radius:var(--radius-sm);box-shadow:0 1px 0 var(--shadow);font-family:inherit;font-size:.68rem;font-weight:500;cursor:pointer;transition:color var(--transition),background var(--transition)}.history-card-btn:hover{color:var(--text)}@media(max-width:640px){.history-card{min-width:180px;max-width:240px;padding:10px 12px}.history-card-remove{width:28px;height:28px;opacity:.4}}.kb-backdrop{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100;animation:kb-fade-in .12s ease}@keyframes kb-fade-in{0%{opacity:0}to{opacity:1}}.kb-modal{background:var(--bg);border-radius:var(--radius-sm);box-shadow:0 4px 0 var(--shadow);padding:20px 24px;min-width:260px;max-width:340px;animation:kb-slide-in .15s ease}@keyframes kb-slide-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.kb-title{font-size:.85rem;font-weight:700;margin-bottom:14px}.kb-list{display:flex;flex-direction:column;gap:8px}.kb-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.kb-keys{display:flex;align-items:center;gap:2px;flex-shrink:0}.kb-key{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:22px;padding:0 6px;background:var(--bg-raised);color:var(--text);border-radius:var(--radius-sm);box-shadow:0 2px 0 var(--shadow);font-family:inherit;font-size:.7rem;font-weight:600}.kb-plus{font-size:.6rem;color:var(--text-secondary);margin:0 2px}.kb-desc{font-size:.75rem;color:var(--text-secondary)}.kb-group-label{font-size:.65rem;font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.06em;margin-top:8px;margin-bottom:-2px}.kb-group-label:first-child{margin-top:0}.kb-footer{margin-top:16px;padding-top:10px;font-size:.65rem;color:var(--text-secondary);text-align:center}.kb-footer .kb-key{min-width:18px;height:18px;font-size:.6rem;vertical-align:middle}@media(max-width:640px){.kb-modal{margin:0 16px;min-width:0;width:calc(100% - 32px);max-width:none}}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);padding:8px 20px;background:var(--text);color:var(--bg);border-radius:var(--radius-pill);font-family:inherit;font-size:.82rem;font-weight:500;white-space:nowrap;z-index:500;pointer-events:none;animation:toast-in .2s ease}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}@media(max-width:640px){.toast{bottom:68px}}