:root{--fd-font-ui: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;--fd-font-mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;--fd-font-size-ui: 14px;--fd-font-size-code: 13px;--fd-line-height-ui: 1.7;--fd-line-height-code: 1.5}[data-font-size=S]{--fd-font-size-code: 12px}[data-font-size=M]{--fd-font-size-code: 13px}[data-font-size=L]{--fd-font-size-code: 15px}:root,[data-theme=fastdiff-light]{--fd-bg: #ffffff;--fd-bg-panel: #eeeeef;--fd-fg: #3f3f3f;--fd-fg-muted: #626262;--fd-border: #d8d8d8;--fd-accent: #0969da;--fd-action: #0969da;--fd-action-fg: #ffffff;--fd-bg-line-equal: transparent;--fd-bg-line-delete: rgba(207, 34, 46, .1);--fd-bg-line-insert: rgba(26, 127, 55, .1);--fd-bg-line-change-left: rgba(207, 34, 46, .07);--fd-bg-line-change-right: rgba(26, 127, 55, .07);--fd-bg-inline-delete: rgba(255, 129, 130, .45);--fd-bg-inline-insert: rgba(74, 194, 107, .45);--fd-fg-line-marker-delete: #cf222e;--fd-fg-line-marker-insert: #1a7f37;--fd-hl-keyword: #cf222e;--fd-hl-string: #0a3069;--fd-hl-comment: #6e7781;--fd-hl-number: #0550ae;--fd-hl-function: #8250df;--fd-hl-type: #953800;--fd-hl-variable: #1f2328;--fd-hl-operator: #cf222e;--fd-hl-punctuation: #1f2328;--fd-hl-tag: #116329;--fd-hl-tag-bracket: #6e7781;--fd-hl-attribute: #116329;--fd-hl-property: #0550ae;--fd-hl-constant: #0550ae;--fd-hl-regex: #116329;--fd-hl-plain: inherit;--fd-search-match-bg: rgba(255, 213, 0, .35);--fd-search-match-current-bg: rgba(255, 165, 0, .6);--fd-danger: #d33;--fd-accent-soft: rgba(9, 105, 218, .15)}[data-theme=fastdiff-dark]{--fd-bg: #353538;--fd-bg-panel: #3f3f3f;--fd-fg: #eaeaea;--fd-fg-muted: #c7c7c7;--fd-border: #555555;--fd-accent: #66d9ef;--fd-action: #66d9ef;--fd-action-fg: #1e1e1e;--fd-bg-line-equal: transparent;--fd-bg-line-delete: rgba(248, 81, 73, .15);--fd-bg-line-insert: rgba(63, 185, 80, .15);--fd-bg-line-change-left: rgba(248, 81, 73, .1);--fd-bg-line-change-right: rgba(63, 185, 80, .1);--fd-bg-inline-delete: rgba(248, 81, 73, .45);--fd-bg-inline-insert: rgba(63, 185, 80, .45);--fd-fg-line-marker-delete: #f85149;--fd-fg-line-marker-insert: #3fb950;--fd-hl-keyword: #ff7b72;--fd-hl-string: #a5d6ff;--fd-hl-comment: #8b949e;--fd-hl-number: #79c0ff;--fd-hl-function: #d2a8ff;--fd-hl-type: #ffa657;--fd-hl-variable: #e6edf3;--fd-hl-operator: #ff7b72;--fd-hl-punctuation: #e6edf3;--fd-hl-tag: #7ee787;--fd-hl-tag-bracket: #8b949e;--fd-hl-attribute: #7ee787;--fd-hl-property: #79c0ff;--fd-hl-constant: #79c0ff;--fd-hl-regex: #7ee787;--fd-hl-plain: inherit;--fd-search-match-bg: rgba(255, 200, 0, .25);--fd-search-match-current-bg: rgba(255, 165, 0, .45);--fd-danger: #ff6b6b;--fd-accent-soft: rgba(102, 217, 239, .18)}*{box-sizing:border-box}html,body,#root{margin:0;height:100%;background:var(--fd-bg);color:var(--fd-fg);font-family:var(--fd-font-ui);font-size:var(--fd-font-size-ui);line-height:var(--fd-line-height-ui)}.fd-app{display:flex;flex-direction:column;height:100%}.fd-error{padding:24px;color:var(--fd-fg-line-marker-delete)}.fd-loading{padding:24px;color:var(--fd-accent)}.fd-btn{font-family:inherit;font-size:14px;background:transparent;border:1px solid var(--fd-border);border-radius:4px;padding:2px 8px;color:var(--fd-fg);cursor:pointer}.fd-btn:hover:not(:disabled){background:var(--fd-bg-panel)}.fd-btn:disabled{opacity:.45;cursor:not-allowed}.fd-counter{font-family:var(--fd-font-mono);font-size:12px;color:var(--fd-fg-muted);min-width:4em;text-align:center}.fd-hunk-nav{display:inline-flex;align-items:center;gap:6px}.fd-search-bar{display:inline-flex;align-items:center;gap:4px}.fd-search-input{font-family:var(--fd-font-mono);font-size:12px;padding:3px 6px;border:1px solid var(--fd-border);border-radius:3px;background:var(--fd-bg);color:var(--fd-fg);min-width:12em;outline:none}.fd-search-input:focus{border-color:var(--fd-accent)}.fd-search-input-empty,.fd-search-input-empty:focus{border-color:var(--fd-danger)}.fd-search-toggle{font-family:inherit;font-size:12px;background:transparent;border:1px solid var(--fd-border);border-radius:3px;padding:2px 6px;color:var(--fd-fg);cursor:pointer}.fd-search-toggle[aria-pressed=true]{background:var(--fd-accent-soft);border-color:var(--fd-accent)}.fd-dropzone{flex:1;min-height:0;padding:24px 16px;display:flex;flex-direction:column;gap:16px}.fd-dropzone-main{flex:1;min-height:0;border:2px dashed var(--fd-border);border-radius:8px;padding:32px;background:var(--fd-bg-panel);transition:border-color .12s,background .12s;display:flex;flex-direction:column;justify-content:center;gap:24px}.fd-dropzone-main.fd-dropzone-dragover{border-color:var(--fd-accent);background:#0969da0f}[data-theme=fastdiff-dark] .fd-dropzone-main.fd-dropzone-dragover{background:#66d9ef14}.fd-dropzone-slots{display:grid;grid-template-columns:1fr auto 1fr;gap:12px;align-items:stretch}.fd-slot{border:1px dashed var(--fd-border);border-radius:6px;padding:16px;min-height:80px;display:flex;flex-direction:column;justify-content:center;gap:6px}.fd-slot-primary{display:flex;align-items:center;gap:6px;min-width:0}.fd-slot-label{color:var(--fd-fg-muted);font-size:2rem;line-height:1;flex-shrink:0}.fd-slot-empty{opacity:.5}.fd-slot-name{font-family:var(--fd-font-mono);color:var(--fd-fg);word-break:break-all}.fd-slot-meta{color:var(--fd-fg-muted);font-size:11px}.fd-slot-swap{align-self:center;background:transparent;border:1px solid var(--fd-border);border-radius:4px;width:32px;height:32px;font-size:14px;color:var(--fd-fg-muted);cursor:pointer;opacity:.5;transition:opacity .12s}.fd-slot-swap:hover:not(:disabled){opacity:1}.fd-slot-swap:disabled{cursor:not-allowed}.fd-dropzone-tabs{display:flex;gap:16px;border-bottom:1px solid var(--fd-border);padding:0 4px}.fd-dropzone-tab{background:transparent;border:0;border-bottom:2px solid transparent;padding:8px 4px;color:var(--fd-fg-muted);font-family:inherit;font-size:13px;cursor:pointer;margin-bottom:-1px}.fd-dropzone-tab.fd-dropzone-tab-active{color:var(--fd-fg);border-bottom-color:var(--fd-action)}.fd-dropzone-hint{color:var(--fd-fg-muted);text-align:center;font-size:13px;margin:0 0 16px}.fd-dropzone-pick{display:inline-block;padding:6px 14px;border:1px solid var(--fd-border);border-radius:4px;cursor:pointer;color:var(--fd-fg);font-size:12px;margin-top:12px}.fd-dropzone-pick:hover{background:#0000000d}[data-theme=fastdiff-dark] .fd-dropzone-pick:hover{background:#ffffff0d}.fd-dropzone-paste{flex:1;min-height:0;display:grid;grid-template-columns:1fr 1fr;gap:12px}.fd-dropzone-paste textarea{background:var(--fd-bg);color:var(--fd-fg);border:1px solid var(--fd-border);padding:8px;font-family:var(--fd-font-mono);font-size:12px;resize:none;min-height:0;height:100%}.fd-dropzone-actions{display:flex;justify-content:flex-end}.fd-button-primary{background:var(--fd-action);color:var(--fd-action-fg);border:0;padding:8px 20px;font-family:inherit;font-size:13px;font-weight:600;cursor:pointer;border-radius:4px}.fd-button-primary:disabled{background:var(--fd-bg-panel);color:var(--fd-fg-muted);cursor:not-allowed}.fd-pane-header-bar{display:flex;justify-content:space-between;align-items:center;padding:6px 12px;background:var(--fd-bg-panel);border-bottom:1px solid var(--fd-border);font-size:12px}.fd-pane-header-name{color:var(--fd-fg);font-weight:500;font-family:var(--fd-font-mono)}.fd-pane-header-meta{color:var(--fd-fg-muted);display:flex;gap:8px;align-items:baseline}.fd-pane-header-lang{display:inline-block;padding:1px 6px;border:1px solid var(--fd-border);border-radius:3px;color:var(--fd-fg-muted);font-size:10px;text-transform:uppercase}.fd-line{display:grid;grid-template-columns:50px 16px 1fr;align-items:baseline;padding:0 8px;background:var(--fd-bg-line-equal);font-family:var(--fd-font-mono);font-size:var(--fd-font-size-code);line-height:var(--fd-line-height-code)}.fd-line-num{color:var(--fd-fg-muted);text-align:right;padding-right:8px;user-select:none;font-size:11px}.fd-line-marker{color:var(--fd-fg-muted);user-select:none;text-align:center}.fd-line-text{overflow-wrap:anywhere}[data-wrap=on] .fd-line-text{white-space:pre-wrap}[data-wrap=off] .fd-line-text{white-space:pre}.fd-line-delete{background:var(--fd-bg-line-delete)}.fd-line-delete .fd-line-marker{color:var(--fd-fg-line-marker-delete)}.fd-line-insert{background:var(--fd-bg-line-insert)}.fd-line-insert .fd-line-marker{color:var(--fd-fg-line-marker-insert)}.fd-line-change-left{background:var(--fd-bg-line-change-left)}.fd-line-change-left .fd-line-marker{color:var(--fd-fg-line-marker-delete)}.fd-line-change-right{background:var(--fd-bg-line-change-right)}.fd-line-change-right .fd-line-marker{color:var(--fd-fg-line-marker-insert)}.fd-line-placeholder{opacity:.3}.fd-inline-delete{background:var(--fd-bg-inline-delete)}.fd-inline-insert{background:var(--fd-bg-inline-insert)}.fd-inline-equal{background:transparent}.fd-splitview{display:flex;flex-direction:column;height:100%;min-height:0}.fd-splitview-headers{display:grid;grid-template-columns:1fr 1fr}.fd-splitview-panes{display:grid;grid-template-columns:1fr 1fr;flex:1;min-height:0;border-top:1px solid var(--fd-border);position:relative}.fd-splitview-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:color-mix(in srgb,var(--fd-bg) 60%,transparent);z-index:10;pointer-events:none}.fd-spinner{width:32px;height:32px;border:3px solid var(--fd-border);border-top-color:var(--fd-accent);border-radius:50%;animation:fd-spin .8s linear infinite}@keyframes fd-spin{to{transform:rotate(360deg)}}.fd-hunk-current{border-bottom:2px solid var(--fd-accent)}.fd-search-match{background:var(--fd-search-match-bg);border-radius:2px}.fd-search-match-current{background:var(--fd-search-match-current-bg);outline:1px solid var(--fd-accent);outline-offset:1px}.fd-splitview-pane{overflow:hidden;border-right:1px solid var(--fd-border);min-width:0}.fd-splitview-pane:last-child{border-right:0}.fd-topbar{padding:8px 16px;background:var(--fd-bg-panel);border-bottom:1px solid var(--fd-border);display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:12px}.fd-topbar-left{display:flex;align-items:center;gap:12px;min-width:0;justify-self:start}.fd-logo{height:48px;width:auto;color:var(--fd-fg);display:block}.fd-topbar-center{display:flex;align-items:center;gap:12px;justify-self:center}.fd-topbar-right{display:flex;align-items:center;justify-self:end}.fd-button-secondary{background:transparent;color:var(--fd-fg);border:1px solid var(--fd-border);padding:4px 12px;font-family:inherit;font-size:12px;cursor:pointer;border-radius:3px}.fd-button-secondary:hover{background:#0000000a;border-color:var(--fd-accent)}[data-theme=fastdiff-dark] .fd-button-secondary:hover{background:#ffffff0d}.fd-button-icon{padding:4px 6px;display:inline-flex;align-items:center;justify-content:center;line-height:0}.fd-splitview-identical{padding:40px;text-align:center;color:var(--fd-fg-muted);border-top:1px solid var(--fd-border)}.fd-splitview-identical p{margin:4px 0}.fd-splitview-identical-meta{font-size:11px}.fd-hl-keyword{color:var(--fd-hl-keyword)}.fd-hl-string{color:var(--fd-hl-string)}.fd-hl-comment{color:var(--fd-hl-comment);font-style:italic}.fd-hl-number{color:var(--fd-hl-number)}.fd-hl-function{color:var(--fd-hl-function)}.fd-hl-type{color:var(--fd-hl-type)}.fd-hl-variable{color:var(--fd-hl-variable)}.fd-hl-operator{color:var(--fd-hl-operator)}.fd-hl-punctuation{color:var(--fd-hl-punctuation)}.fd-hl-tag{color:var(--fd-hl-tag)}.fd-hl-tag-bracket{color:var(--fd-hl-tag-bracket)}.fd-hl-attribute{color:var(--fd-hl-attribute)}.fd-hl-property{color:var(--fd-hl-property)}.fd-hl-constant{color:var(--fd-hl-constant)}.fd-hl-regex{color:var(--fd-hl-regex)}.fd-hl-plain{color:var(--fd-hl-plain)}.fd-modal-backdrop{position:fixed;inset:0;background:#0006;z-index:90;display:flex;align-items:center;justify-content:center}.fd-modal-panel{background:var(--fd-bg);border:1px solid var(--fd-border);border-radius:8px;box-shadow:0 8px 24px #0003;min-width:320px;max-width:480px;padding:24px;display:flex;flex-direction:column;gap:16px}.fd-modal-title{font-size:16px;font-weight:600;margin:0;color:var(--fd-fg)}.fd-modal-body{color:var(--fd-fg-muted);margin:0;line-height:var(--fd-line-height-ui)}.fd-modal-actions{display:flex;justify-content:flex-end;gap:8px}.fd-menu-root{position:relative}.fd-menu-toggle{background:transparent;border:1px solid var(--fd-border);border-radius:4px;width:32px;height:32px;color:var(--fd-fg);font-size:16px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}.fd-menu-toggle:hover{border-color:var(--fd-accent)}.fd-menu-overlay{position:fixed;inset:0;background:transparent;z-index:80}.fd-menu-panel{position:absolute;top:100%;right:0;margin-top:4px;width:220px;background:var(--fd-bg);border:1px solid var(--fd-border);border-radius:6px;box-shadow:0 4px 12px #00000026;z-index:100;padding:8px 0}.fd-menu-section{padding:8px 14px}.fd-menu-section+.fd-menu-section{border-top:1px solid var(--fd-border)}.fd-menu-section-label{display:block;color:var(--fd-fg-muted);text-transform:uppercase;font-size:10px;letter-spacing:.05em;margin-bottom:6px}.fd-menu-radio-row,.fd-menu-button-row{display:flex;gap:4px;align-items:center;flex-wrap:wrap}.fd-menu-radio-label,.fd-menu-checkbox-label{display:flex;align-items:center;gap:6px;color:var(--fd-fg);font-size:13px;cursor:pointer;padding:2px 0}.fd-menu-size-btn{flex:1;background:transparent;border:1px solid var(--fd-border);border-radius:4px;padding:4px 0;color:var(--fd-fg);font-family:inherit;font-size:12px;cursor:pointer}.fd-menu-size-btn.fd-menu-size-active{background:var(--fd-accent);color:#fff;border-color:var(--fd-accent)}.fd-statusbar{flex-shrink:0;height:24px;padding:0 16px;background:var(--fd-bg-panel);border-top:1px solid var(--fd-border);display:flex;align-items:center;gap:8px;font-family:var(--fd-font-mono);font-size:11px;color:var(--fd-fg-muted);white-space:nowrap;overflow-x:auto}.fd-statusbar-item{display:inline-flex;align-items:center;gap:4px}.fd-statusbar-label{color:var(--fd-fg-muted)}.fd-statusbar-value{color:var(--fd-fg);font-variant-numeric:tabular-nums}.fd-statusbar-sep{color:var(--fd-border);margin:0 2px}.fd-statusbar-pending{color:var(--fd-fg-muted);font-style:italic}.fd-splitview-panes.fd-splitview-with-minimap{grid-template-columns:1fr 1fr 60px}.fd-splitview-with-minimap .fd-splitview-pane[data-pane=right]{border-right:0}.fd-minimap{position:relative;background:var(--fd-bg-panel);border-left:1px solid var(--fd-border);overflow:hidden;user-select:none;cursor:pointer;touch-action:none}.fd-minimap canvas{position:absolute;left:0;top:0;width:100%;display:block}.fd-minimap-viewport{position:absolute;left:0;right:0;background:#64b4ff14;border-top:1px solid rgba(100,180,255,.5);border-bottom:1px solid rgba(100,180,255,.5);pointer-events:none}.fd-minimap-current-hunk{position:absolute;left:1px;right:1px;outline:1px solid var(--fd-accent);pointer-events:none}