@import "https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Fira+Code:wght@400;500&family=Noto+Sans:wght@400;500&family=Noto+Sans+SC&family=Noto+Sans+JP&family=Noto+Sans+KR&family=Noto+Sans+Arabic&family=Noto+Sans+Hebrew&family=Noto+Sans+Thai&family=Noto+Sans+Devanagari&family=Noto+Sans+Bengali&family=Noto+Sans+Telugu&family=Noto+Sans+Tamil&family=Noto+Sans+Gujarati&family=Noto+Sans+Kannada&family=Noto+Sans+Malayalam&family=Noto+Sans+Gurmukhi&family=Noto+Nastaliq+Urdu&display=swap";*,:before,:after{box-sizing:border-box}:root,[data-theme=dark]{--primary:#06b6d4;--primary-dark:#0d9488;--primary-light:#06b6d426;--success:#22d3ee;--success-dark:#06b6d4;--danger:#f87171;--danger-dark:#ef4444;--warning:#fbbf24;--bg:#05111a;--bg-surface:#040e17;--bg-elevated:#0a2030;--bg-input:#040e17;--border:#0e3348;--border-light:#164d6b;--text-primary:#e0f8fa;--text-secondary:#7ecfe0;--text-muted:#2e6a80;--added-bg:#042830;--added-text:#a5f3fc;--removed-bg:#2d0f0f;--removed-text:#fdd8d8;--highlight-bg:#0e3348;--highlight-text:#e0f8fa;--shadow-sm:0 1px 3px #00000080;--shadow-md:0 4px 16px #0009;--radius-sm:6px;--radius-md:10px;--accent-bar:linear-gradient(90deg, #0d9488 0%, #06b6d4 35%, #22d3ee 65%, #0d9488 100%)}[data-theme=light]{--primary:#0d9488;--primary-dark:#0f766e;--primary-light:#0d94881f;--success:#06b6d4;--success-dark:#0891b2;--danger:#dc2626;--danger-dark:#b91c1c;--warning:#d97706;--bg:#f0fdfd;--bg-surface:#e0f8fa;--bg-elevated:#e8fafa;--bg-input:#f0fdfd;--border:#a5e8ef;--border-light:#7dd8e3;--text-primary:#0c3a42;--text-secondary:#1a6070;--text-muted:#5ba8b8;--added-bg:#f0fdfd;--added-text:#0c3a42;--removed-bg:#fef2f2;--removed-text:#7f1d1d;--highlight-bg:#cff8fc;--highlight-text:#0c3a42;--shadow-sm:0 1px 3px #0d94881a;--shadow-md:0 4px 16px #0d948826;--accent-bar:linear-gradient(90deg, #0d9488 0%, #06b6d4 35%, #22d3ee 65%, #0d9488 100%)}body{color:var(--text-primary);background:var(--bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:DM Sans,system-ui,sans-serif;font-size:13px;transition:background .2s,color .2s}#root{flex-direction:column;width:100%;min-height:100vh;display:flex}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-surface)}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--primary)}.input-panel{background:var(--bg-surface);flex-direction:column;height:100%;display:flex}.input-panel__header{background:var(--bg-elevated);border-bottom:1px solid var(--border);align-items:center;gap:8px;min-height:36px;padding:6px 12px;font-family:DM Sans,system-ui,sans-serif;display:flex}.input-panel__dot{border-radius:50%;flex-shrink:0;width:9px;height:9px}.input-panel__dot--left{background:#22d3ee;box-shadow:0 0 6px #22d3ee80}.input-panel__dot--right{background:#f87171;box-shadow:0 0 6px #f8717180}.input-panel__title{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:12px;font-weight:600;overflow:hidden}.input-panel__version-badge{color:var(--text-muted);background:var(--bg-surface);border:1px solid var(--border);letter-spacing:.3px;border-radius:4px;flex-shrink:0;padding:1px 6px;font-size:10px;font-weight:700}.input-panel__file-label{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;align-items:center;gap:5px;max-width:200px;font-size:12px;font-weight:500;display:flex;overflow:hidden}.input-panel__file-label:before{content:"📄";font-size:11px}.input-panel__controls{flex-shrink:0;align-items:center;gap:6px;display:flex}.input-panel__drag-hint{color:var(--text-muted);background:var(--bg-surface);border:1px dashed var(--border);white-space:nowrap;letter-spacing:.2px;border-radius:999px;padding:2px 8px;font-size:10px;font-weight:500}.input-panel__file-btn{cursor:pointer;border:1px solid var(--primary);border-radius:var(--radius-sm);color:var(--primary);white-space:nowrap;background:0 0;padding:3px 10px;font-family:inherit;font-size:11px;font-weight:500;transition:background .15s,color .15s}.input-panel__file-btn:hover{background:var(--primary);color:#fff}.input-panel__download-btn{cursor:pointer;border:1px solid var(--success);border-radius:var(--radius-sm);color:var(--success);white-space:nowrap;background:0 0;padding:3px 10px;font-family:inherit;font-size:11px;font-weight:500;transition:background .15s,color .15s}.input-panel__download-btn:hover:not(:disabled){background:var(--success);color:#fff}.input-panel__download-btn:disabled{opacity:.3;cursor:not-allowed}.input-panel__file-input{display:none}.input-panel__drop-zone{flex-direction:column;flex:1;display:flex;position:relative}.input-panel__textarea{resize:none;color:#1a1a1a;caret-color:#06b6d4;background:#fff;border:none;outline:none;flex:1;width:100%;padding:12px;font-family:Fira Code,JetBrains Mono,ui-monospace,monospace;font-size:12.5px;line-height:1.6}[data-theme=dark] .input-panel__textarea{background:var(--bg-input);color:var(--text-primary)}.input-panel__textarea::placeholder{color:var(--text-muted);font-style:italic}.input-panel__drop-zone--active .input-panel__textarea{background:#06b6d40d}.input-panel__drop-overlay{border-radius:var(--radius-sm);pointer-events:none;z-index:1;background:#06b6d41f;border:2px dashed #06b6d4;flex-direction:column;justify-content:center;align-items:center;gap:8px;display:none;position:absolute;inset:0}.input-panel__drop-zone--active .input-panel__drop-overlay{display:flex}.input-panel__drop-icon{font-size:32px;line-height:1;animation:.6s infinite alternate bounceDown}.input-panel__drop-text{color:#06b6d4;letter-spacing:.3px;font-family:DM Sans,system-ui,sans-serif;font-size:14px;font-weight:700}@keyframes bounceDown{0%{transform:translateY(-4px)}to{transform:translateY(4px)}}.input-panel__error{border-radius:var(--radius-sm);color:var(--danger);background:#ef44441a;border:1px solid #ef44444d;margin:6px 12px;padding:6px 10px;font-size:11px;font-weight:500}.toolbar{background:linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:10px;padding:7px 16px;font-family:DM Sans,system-ui,sans-serif;display:flex;position:relative}.toolbar__view-toggle{border:1px solid var(--border);border-radius:var(--radius-sm);flex-shrink:0;display:flex;overflow:hidden}.toolbar__seg-btn{cursor:pointer;background:var(--bg-elevated);color:var(--text-secondary);white-space:nowrap;border:none;align-items:center;gap:5px;padding:5px 12px;font-family:inherit;font-size:12px;font-weight:500;transition:background .15s,color .15s;display:flex}.toolbar__seg-btn:not(:last-child){border-right:1px solid var(--border)}.toolbar__seg-btn--active{background:var(--primary);color:#fff}.toolbar__seg-btn:hover:not(.toolbar__seg-btn--active){background:var(--primary-light);color:var(--primary)}.toolbar__seg-icon{opacity:.7;font-size:10px}.toolbar__nav{border-left:1px solid var(--border);border-right:1px solid var(--border);align-items:center;gap:6px;margin:0 2px;padding:0 4px;display:flex}.toolbar__nav-btn{cursor:pointer;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--primary);white-space:nowrap;background:0 0;padding:4px 12px;font-family:inherit;font-size:12px;font-weight:500;transition:background .15s,color .15s,transform .1s}.toolbar__nav-btn:hover:not(:disabled){background:var(--primary);color:#fff;transform:translateY(-1px)}.toolbar__nav-btn:disabled{opacity:.3;cursor:not-allowed;transform:none}.toolbar__nav-counter{color:var(--text-primary);text-align:center;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);min-width:48px;padding:3px 8px;font-size:12px;font-weight:600}.toolbar__nav-counter--empty{color:var(--text-muted);font-weight:400}.toolbar__lang-badges{align-items:center;gap:4px;display:flex}.toolbar__lang-badge{color:var(--primary);background:var(--primary-light);letter-spacing:.3px;white-space:nowrap;border:1px solid #06b6d440;border-radius:999px;align-items:center;gap:5px;padding:3px 10px;font-size:10.5px;font-weight:600;display:inline-flex}.toolbar__lang-badge--left{color:#22d3ee;background:#22d3ee1a;border-color:#22d3ee4d}.toolbar__lang-badge--right{color:#f87171;background:#f871711a;border-color:#f871714d}.toolbar__lang-dot{border-radius:50%;flex-shrink:0;width:6px;height:6px}.toolbar__lang-dot--left{background:#22d3ee}.toolbar__lang-dot--right{background:#f87171}.toolbar__actions{gap:5px;margin-left:auto;display:flex}.toolbar__action-btn{cursor:pointer;background:var(--bg-elevated);color:var(--text-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);white-space:nowrap;align-items:center;gap:4px;padding:5px 11px;font-family:inherit;font-size:12px;font-weight:500;transition:background .15s,color .15s,border-color .15s,transform .1s;display:flex}.toolbar__action-btn:hover:not(:disabled){background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-1px)}.toolbar__action-btn--active{background:var(--primary);color:#fff;border-color:var(--primary)}.toolbar__action-btn:active:not(:disabled){transform:translateY(0)}.toolbar__action-btn:disabled{opacity:.3;cursor:not-allowed}.toolbar__toast{color:#fff;border-radius:var(--radius-sm);z-index:200;pointer-events:none;white-space:nowrap;box-shadow:var(--shadow-md);background:#0d9488;padding:7px 14px;font-size:12px;font-weight:500;animation:.2s slideDown;position:absolute;top:calc(100% + 8px);right:16px}.toolbar__toast--error{background:var(--danger)}@keyframes slideDown{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}.stats-bar{background:var(--bg-elevated);border-top:1px solid var(--border);align-items:center;gap:16px;padding:6px 16px;font-family:DM Sans,system-ui,sans-serif;display:flex}.stats-bar__pills{align-items:center;gap:6px;display:flex}.stats-bar__pill{letter-spacing:.1px;white-space:nowrap;border-radius:999px;align-items:center;gap:5px;padding:3px 10px 3px 7px;font-size:11.5px;font-weight:600;display:inline-flex}.stats-bar__pill-dot{border-radius:50%;flex-shrink:0;width:7px;height:7px}.stats-bar__pill-label{opacity:.75;font-size:10.5px;font-weight:400}.stats-bar__pill--added{color:#22d3ee;background:#22d3ee1f;border:1px solid #22d3ee40}.stats-bar__pill--added .stats-bar__pill-dot{background:#22d3ee}.stats-bar__pill--removed{color:var(--danger);background:#f871711f;border:1px solid #f8717140}.stats-bar__pill--removed .stats-bar__pill-dot{background:var(--danger)}.stats-bar__pill--unchanged{color:var(--text-secondary);border:1px solid var(--border);background:#7ecfe014}.stats-bar__pill--unchanged .stats-bar__pill-dot{background:var(--text-muted)}.stats-bar__similarity{align-items:center;gap:10px;margin-left:auto;display:flex}.stats-bar__similarity-label{color:var(--text-muted);white-space:nowrap;font-size:11px;font-weight:500}.stats-bar__progress{background:var(--border);border-radius:999px;width:100px;height:6px;overflow:hidden}.stats-bar__progress-fill{background:linear-gradient(90deg,#0d9488,#06b6d4,#22d3ee);border-radius:999px;height:100%;transition:width .4s}.stats-bar__similarity-value{color:var(--text-primary);text-align:right;min-width:44px;font-size:12px;font-weight:700}.ltm{flex-shrink:0;position:relative}.ltm__trigger{cursor:pointer;border:1px solid var(--border);background:var(--bg-elevated);width:18px;height:18px;color:var(--text-muted);border-radius:3px;margin:0 2px;padding:0;font-size:10px;line-height:18px;transition:background .15s,color .15s}.ltm__trigger:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.ltm__menu{z-index:100;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);box-shadow:var(--shadow-md);min-width:150px;position:absolute;top:22px;right:0;overflow:hidden}.ltm__header{text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);border-bottom:1px solid var(--border);padding:6px 10px 4px;font-size:10px;font-weight:700}.ltm__item{text-align:left;width:100%;color:var(--text-secondary);cursor:pointer;background:0 0;border:none;padding:6px 10px;font-family:inherit;font-size:11px;transition:background .1s,color .1s;display:block}.ltm__item:hover{background:var(--primary-light);color:var(--text-primary)}.split-view{width:100%;font-family:Fira Code,JetBrains Mono,ui-monospace,monospace;font-size:12.5px;display:flex}.split-view__panel{flex:1;min-width:0;overflow-x:auto}.app__diff[style*=pre-wrap] .split-view__panel{overflow-x:hidden}.split-view__panel:first-child{border-right:1px solid var(--border)}.unified-view{width:100%;font-family:Fira Code,JetBrains Mono,ui-monospace,monospace;font-size:12.5px;overflow-x:auto}.app__diff[style*=pre-wrap] .unified-view{overflow-x:hidden}.diff-line{min-height:22px;white-space:inherit;color:var(--text-primary);align-items:center;line-height:22px;display:flex}.diff-line--added{color:#0c3a42!important;background-color:#e6fffe!important}.diff-line--removed{color:#5c1a1a!important;background-color:#fff1f1!important}.diff-line--unchanged{color:#1a1a1a!important;background-color:#fff!important}.diff-line--empty{color:#0000!important;background-color:#f8f8f8!important}[data-theme=dark] .diff-line--added{background-color:var(--added-bg)!important;color:var(--added-text)!important}[data-theme=dark] .diff-line--removed{background-color:var(--removed-bg)!important;color:var(--removed-text)!important}[data-theme=dark] .diff-line--unchanged{background-color:var(--bg-input)!important;color:var(--text-primary)!important}[data-theme=dark] .diff-line--empty{background-color:var(--bg-elevated)!important;color:#0000!important}.diff-line--added .diff-line__content,.diff-line--added .diff-line__content>span:not(.word-highlight):not(.word-added):not(.word-removed){color:#0c3a42!important}.diff-line--removed .diff-line__content,.diff-line--removed .diff-line__content>span:not(.word-highlight):not(.word-added):not(.word-removed){color:#5c1a1a!important}.diff-line--unchanged .diff-line__content,.diff-line--unchanged .diff-line__content>span{color:#1a1a1a!important}[data-theme=dark] .diff-line--added .diff-line__content,[data-theme=dark] .diff-line--added .diff-line__content>span:not(.word-highlight):not(.word-added):not(.word-removed){color:var(--added-text)!important}[data-theme=dark] .diff-line--removed .diff-line__content,[data-theme=dark] .diff-line--removed .diff-line__content>span:not(.word-highlight):not(.word-added):not(.word-removed){color:var(--removed-text)!important}[data-theme=dark] .diff-line--unchanged .diff-line__content,[data-theme=dark] .diff-line--unchanged .diff-line__content>span{color:var(--text-primary)!important}.diff-line__number{text-align:right;color:#999;-webkit-user-select:none;user-select:none;background-color:#f5f5f5;border-right:1px solid #e0e0e0;flex-shrink:0;min-width:44px;padding:0 8px;font-size:11px;display:inline-block}[data-theme=dark] .diff-line__number{color:var(--text-muted);background-color:var(--bg-elevated);border-right-color:var(--border)}.diff-line--current-chunk{outline-offset:-1px;outline:1px solid #06b6d480}.diff-line__symbol{text-align:center;width:20px;color:var(--text-muted);-webkit-user-select:none;user-select:none;flex-shrink:0;font-weight:700;display:inline-block}.diff-line--added .diff-line__symbol{color:#22d3ee;font-weight:800}.diff-line--removed .diff-line__symbol{color:var(--danger);font-weight:800}.diff-line__content{text-overflow:ellipsis;white-space:inherit;flex:1;padding:0 8px;overflow:hidden}.diff-line__insert-btn{cursor:pointer;border:1px solid var(--primary);height:18px;color:var(--primary);background:0 0;border-radius:4px;flex-shrink:0;margin:0 4px;padding:0 8px;font-size:11px;font-weight:700;line-height:18px;transition:background .15s,color .15s}.diff-line__insert-btn:hover{background:var(--primary);color:#fff}.word-highlight,.word-added,.word-removed{background-color:var(--highlight-bg);color:var(--highlight-text);border-radius:3px;padding:0 2px}.diff-chunk--current .diff-line{outline-offset:-1px;outline:1px solid #06b6d480}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:1000;background:#0009;justify-content:center;align-items:center;padding:20px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal{background:var(--bg-surface);border:1px solid var(--border);border-radius:12px;flex-direction:column;width:100%;max-width:560px;max-height:85vh;font-family:DM Sans,system-ui,sans-serif;animation:.18s slideUp;display:flex;box-shadow:0 20px 60px #0006}.modal__header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;padding:20px 24px 16px;display:flex}.modal__title-row{align-items:center;gap:10px;display:flex}.modal__icon{font-size:22px;line-height:1}.modal__title{background:linear-gradient(90deg,#06b6d4,#22d3ee);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-size:18px;font-weight:700}.modal__close{border:1px solid var(--border);background:var(--bg-elevated);width:28px;height:28px;color:var(--text-muted);cursor:pointer;border-radius:6px;flex-shrink:0;justify-content:center;align-items:center;font-size:13px;transition:background .15s,color .15s;display:flex}.modal__close:hover{background:var(--danger);color:#fff;border-color:var(--danger)}.modal__body{flex-direction:column;flex:1;gap:20px;padding:20px 24px;display:flex;overflow-y:auto}.modal__tagline{color:var(--primary);background:var(--primary-light);border-left:3px solid var(--primary);border-radius:8px;margin:0;padding:10px 14px;font-size:14px;font-weight:500}.modal__section{flex-direction:column;gap:8px;display:flex}.modal__section-title{text-transform:uppercase;letter-spacing:.8px;color:var(--text-muted);margin:0;font-size:12px;font-weight:700}.modal__section p{color:var(--text-secondary);margin:0;font-size:13px;line-height:1.6}.modal__list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.modal__list li{color:var(--text-secondary);padding:4px 0;font-size:13px;line-height:1.5}.modal__tech-grid{flex-wrap:wrap;gap:6px;display:flex}.modal__tech-badge{color:#06b6d4;background:#06b6d41a;border:1px solid #06b6d440;border-radius:999px;padding:3px 10px;font-size:11px;font-weight:600}.modal__version{color:var(--text-muted);margin:0;font-size:12px}.modal__updated{color:var(--text-muted);text-align:right;margin:0;font-size:11px}.modal__link{color:var(--primary);text-underline-offset:2px;text-decoration:underline}.modal__link:hover{color:#22d3ee}.modal__footer{border-top:1px solid var(--border);flex-shrink:0;justify-content:flex-end;padding:14px 24px;display:flex}.modal__btn{border-radius:var(--radius-sm);cursor:pointer;border:none;padding:7px 20px;font-family:inherit;font-size:13px;font-weight:600;transition:background .15s,transform .1s}.modal__btn--primary{color:#fff;background:linear-gradient(135deg,#0d9488,#06b6d4)}.modal__btn--primary:hover{filter:brightness(1.1);transform:translateY(-1px)}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.modal--wide{max-width:820px;height:80vh}.help-layout{flex:1;min-height:0;display:flex;overflow:hidden}.help-nav{border-right:1px solid var(--border);background:var(--bg-elevated);flex-direction:column;flex-shrink:0;gap:2px;width:190px;padding:12px 8px;display:flex;overflow-y:auto}.help-nav__item{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;text-align:left;white-space:nowrap;background:0 0;border:none;align-items:center;padding:7px 10px;font-family:DM Sans,system-ui,sans-serif;font-size:12px;font-weight:500;transition:background .15s,color .15s;display:flex}.help-nav__item:hover{background:var(--primary-light);color:var(--primary)}.help-nav__item--active{background:var(--primary-light);color:var(--primary);border-left:2px solid var(--primary);padding-left:8px;font-weight:600}.help-content{flex:1;min-width:0;padding:20px 24px;overflow-y:auto}.help-section h3{background:linear-gradient(90deg,#06b6d4,#22d3ee);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 16px;font-size:16px;font-weight:700}.help-section h4{color:var(--text-primary);margin:0 0 6px;font-size:13px;font-weight:600}.help-section p{color:var(--text-secondary);margin:0 0 8px;font-size:13px;line-height:1.6}.help-steps{flex-direction:column;gap:14px;margin-bottom:16px;display:flex}.help-step{align-items:flex-start;gap:12px;display:flex}.help-step__num{color:#fff;background:linear-gradient(135deg,#0d9488,#06b6d4);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:26px;height:26px;margin-top:1px;font-size:12px;font-weight:700;display:flex}.help-step strong{color:var(--text-primary);margin-bottom:3px;font-size:13px;display:block}.help-step p{margin:0}.help-callout{color:var(--text-secondary);background:#06b6d414;border:1px solid #06b6d433;border-radius:8px;align-items:flex-start;gap:10px;margin-top:12px;padding:10px 14px;font-size:12.5px;line-height:1.5;display:flex}.help-callout__icon{flex-shrink:0;font-size:16px}.help-item{border-bottom:1px solid var(--border);margin-bottom:18px;padding-bottom:18px}.help-item:last-child{border-bottom:none;margin-bottom:0}.help-list{flex-direction:column;gap:4px;margin:6px 0 0;padding-left:18px;display:flex}.help-list li{color:var(--text-secondary);font-size:13px;line-height:1.5}.help-color-legend{flex-direction:column;gap:8px;margin-top:8px;display:flex}.help-color-row{color:var(--text-secondary);align-items:center;gap:10px;font-size:13px;display:flex}.help-color-swatch{border:1px solid #0000001a;border-radius:4px;flex-shrink:0;width:32px;height:18px}.help-color-swatch--added{background:#e6fffe}.help-color-swatch--removed{background:#fff1f1}.help-color-swatch--unchanged{background:#fff;border-color:#e0e0e0}.help-toolbar-grid{flex-direction:column;gap:12px;display:flex}.help-toolbar-item{background:var(--bg-elevated);border-radius:var(--radius-sm);border:1px solid var(--border);flex-direction:column;gap:4px;padding:10px 12px;display:flex}.help-toolbar-item p{margin:0;font-size:12px}.help-transforms{flex-direction:column;gap:6px;margin-top:8px;display:flex}.help-transform-row{color:var(--text-secondary);align-items:center;gap:12px;font-size:12.5px;display:flex}.help-transform-row code{color:#06b6d4;background:#06b6d41a;border-radius:4px;flex-shrink:0;min-width:130px;padding:2px 8px;font-family:Fira Code,monospace;font-size:11.5px}.help-code{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-secondary);white-space:pre;border-radius:6px;margin:8px 0 0;padding:12px 14px;font-family:Fira Code,monospace;font-size:11.5px;line-height:1.6;overflow-x:auto}.help-tips-grid{grid-template-columns:1fr 1fr;gap:12px;display:grid}.help-tip{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);align-items:flex-start;gap:10px;padding:12px;display:flex}.help-tip__icon{flex-shrink:0;font-size:18px;line-height:1}.help-tip strong{color:var(--text-primary);margin-bottom:4px;font-size:12.5px;display:block}.help-tip p{margin:0;font-size:12px}.help-section kbd{background:var(--bg-elevated);border:1px solid var(--border);color:var(--text-primary);border-radius:4px;padding:1px 6px;font-family:DM Sans,system-ui,sans-serif;font-size:11px;font-weight:600}@media (width<=600px){.help-tips-grid{grid-template-columns:1fr}.help-nav{width:140px}}.side-panel{background:linear-gradient(180deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);border-right:1px solid var(--border);z-index:30;flex-direction:column;flex-shrink:0;width:52px;transition:width .22s cubic-bezier(.4,0,.2,1);display:flex;position:relative;overflow:hidden}.side-panel:hover,.side-panel--expanded{width:200px}.side-panel__rail{flex-direction:column;flex-shrink:0;justify-content:space-between;align-items:center;width:52px;padding:10px 0;display:flex;position:absolute;top:0;bottom:0;left:0}.side-panel__rail-top,.side-panel__rail-bottom{flex-direction:column;align-items:center;gap:4px;display:flex}.side-panel__rail-btn{border-radius:var(--radius-sm);width:36px;height:36px;color:var(--text-muted);cursor:pointer;background:0 0;border:1px solid #0000;flex-shrink:0;justify-content:center;align-items:center;font-size:16px;transition:background .15s,color .15s,border-color .15s;display:flex}.side-panel__rail-btn:hover,.side-panel__rail-btn--active{background:var(--primary-light);color:var(--primary);border-color:var(--border)}.side-panel__rail-btn--info{width:32px;height:32px;color:var(--text-muted);opacity:.7;font-size:14px}.side-panel__rail-btn--info:hover{opacity:1;background:var(--primary-light);color:var(--primary);border-color:var(--border)}.side-panel__content{opacity:0;pointer-events:none;flex-direction:column;flex:1;gap:16px;min-width:200px;padding:10px 10px 12px 62px;transition:opacity .15s 50ms;display:flex;overflow-y:auto}.side-panel:hover .side-panel__content,.side-panel--expanded .side-panel__content{opacity:1;pointer-events:auto}.side-panel__section{flex-direction:column;gap:4px;display:flex}.side-panel__section-title{text-transform:uppercase;letter-spacing:1px;color:var(--text-muted);border-bottom:1px solid var(--border);white-space:nowrap;margin-bottom:2px;padding:0 4px 4px;font-size:9px;font-weight:700}.side-panel__btn{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;text-align:left;white-space:nowrap;align-items:center;gap:6px;width:100%;padding:5px 8px;font-family:inherit;font-size:11px;transition:background .15s,color .15s,border-color .15s;display:flex}.side-panel__btn:hover,.side-panel__btn--active{background:var(--primary);color:#fff;border-color:var(--primary)}.side-panel__btn-icon{text-align:center;flex-shrink:0;width:16px;font-size:13px}.side-panel__btn-label{font-weight:500}.side-panel__transform-row{border-radius:var(--radius-sm);justify-content:space-between;align-items:flex-start;gap:4px;padding:4px;transition:background .1s;display:flex}.side-panel__transform-row:hover{background:var(--bg-elevated)}.side-panel__transform-label{color:var(--text-secondary);white-space:normal;word-break:break-word;flex:1;font-size:10px;line-height:1.3}.side-panel__transform-btns{flex-shrink:0;gap:3px;display:flex}.side-panel__side-btn{cursor:pointer;border:1px solid var(--border);background:var(--bg-elevated);width:22px;height:22px;color:var(--text-secondary);border-radius:4px;justify-content:center;align-items:center;padding:0;font-family:inherit;font-size:10px;font-weight:700;transition:background .15s,color .15s,border-color .15s;display:flex}.side-panel__side-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary)}.side-panel__scope-toggle{border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:6px;display:flex;overflow:hidden}.side-panel__scope-btn{cursor:pointer;background:var(--bg-elevated);color:var(--text-muted);white-space:nowrap;border:none;flex:1;padding:4px 0;font-family:inherit;font-size:10px;font-weight:600;transition:background .15s,color .15s}.side-panel__scope-btn:not(:last-child){border-right:1px solid var(--border)}.side-panel__scope-btn--active{background:var(--primary);color:#fff}.side-panel__scope-btn:hover:not(.side-panel__scope-btn--active){background:var(--bg-surface);color:var(--text-primary)}.side-panel__line-input-row{align-items:center;gap:6px;margin-bottom:6px;display:flex}.side-panel__line-label{color:var(--text-muted);white-space:nowrap;font-size:10px}.side-panel__line-input{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-sm);outline:none;flex:1;width:0;padding:3px 6px;font-family:inherit;font-size:11px;transition:border-color .15s}.side-panel__line-input:focus{border-color:var(--primary)}.side-panel__line-input::-webkit-inner-spin-button{opacity:1}.side-panel__line-input::-webkit-outer-spin-button{opacity:1}.side-panel__section--bottom{border-top:1px solid var(--border);gap:4px;margin-top:auto;padding-top:12px}.side-panel__info-btn{border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;text-align:left;white-space:nowrap;background:0 0;border:none;align-items:center;gap:6px;width:100%;padding:5px 8px;font-family:inherit;font-size:11px;transition:background .15s,color .15s;display:flex}.side-panel__info-btn:hover{background:var(--primary-light);color:var(--primary)}.ad-banner{background:var(--color-bg-secondary,#f5f5f5);border:1px solid var(--color-border,#e0e0e0);border-radius:4px;justify-content:center;align-items:center;min-height:60px;margin:8px 0;padding:8px;display:flex}.ad-banner--top{margin-bottom:16px}.ad-banner--bottom{margin-top:16px}.ad-banner--sidebar{width:100%;margin:16px 0}.ad-banner ins{display:block!important}[data-theme=dark] .ad-banner{background:var(--color-bg-secondary,#2a2a2a);border-color:var(--color-border,#444)}.resizable-panel{border:none;border-top:1px solid var(--border,#e8e8e8);background:0 0;flex-direction:column;flex-shrink:0;display:flex;position:relative;overflow:hidden}.resizable-panel__content{flex:1;min-height:0;position:relative;overflow:auto}.resizable-panel__handle{cursor:ns-resize;-webkit-user-select:none;user-select:none;touch-action:none;z-index:1000;box-sizing:border-box;opacity:.7;background:linear-gradient(90deg,#0d9488,#06b6d4,#22d3ee,#06b6d4,#0d9488);flex-shrink:0;justify-content:center;align-items:center;width:100%;height:14px;transition:filter .2s,height .15s;display:flex;position:relative}.resizable-panel__handle:hover{filter:brightness(1.2);opacity:1;height:16px}.resizable-panel__handle--active{filter:brightness(1.3);opacity:1}.resizable-panel__handle:after{content:"— — —";color:#ffffffd9;letter-spacing:3px;pointer-events:none;font-size:9px;font-weight:600}.app{background:var(--bg);flex-direction:column;height:100vh;display:flex;overflow:hidden}.app:before{content:"";background:var(--accent-bar);flex-shrink:0;height:3px;display:block}.app__header{background:linear-gradient(135deg, var(--bg-surface) 0%, var(--bg-elevated) 100%);border-bottom:1px solid var(--border);height:52px;box-shadow:var(--shadow-sm);flex-shrink:0;justify-content:space-between;align-items:center;padding:0 20px;display:flex}.app__logo{align-items:center;gap:10px;display:flex}.app__logo-icon{border-radius:var(--radius-sm);color:#fff;letter-spacing:-.5px;background:linear-gradient(135deg,#0d9488,#06b6d4);justify-content:center;align-items:center;width:28px;height:28px;font-family:DM Sans,system-ui,sans-serif;font-size:15px;font-weight:800;display:flex;box-shadow:0 0 10px #06b6d466}.app__logo-text{background:linear-gradient(90deg,#06b6d4,#22d3ee);-webkit-text-fill-color:transparent;letter-spacing:-.3px;-webkit-background-clip:text;background-clip:text;font-size:15px;font-weight:700}.app__logo-badge{color:#06b6d4;letter-spacing:.5px;background:#06b6d426;border:1px solid #06b6d44d;border-radius:20px;padding:2px 6px;font-size:10px;font-weight:600}.app__lang-selector{color:var(--text-secondary);align-items:center;gap:8px;font-size:12px;display:flex}.app__lang-select{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%2306b6d4'/%3E%3C/svg%3E");background-position:right 8px center;background-repeat:no-repeat;outline:none;padding:4px 28px 4px 10px;font-family:inherit;font-size:12px;transition:border-color .15s}.app__lang-select:hover,.app__lang-select:focus{border-color:var(--primary)}.app__theme-toggle{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;align-items:center;padding:4px 8px;font-size:15px;line-height:1;transition:background .15s,transform .15s,border-color .15s;display:flex}.app__theme-toggle:hover{background:var(--primary-light);border-color:var(--primary);transform:rotate(20deg)scale(1.1)}.app__body{flex:1 1 0;display:flex;overflow:hidden}.app__main{flex-direction:column;flex:1 1 0;display:flex;overflow:hidden}.app__inputs{border-bottom:1px solid var(--border);flex-direction:row;flex:none;gap:0;min-height:200px;display:flex}.app__inputs>*{flex:1 1 0;min-width:0}.app__inputs>:first-child{border-right:1px solid var(--border)}.app__toolbar{background:var(--bg-surface);border-bottom:1px solid var(--border);z-index:20;flex-shrink:0;position:sticky;top:0}.app__diff-container{flex-direction:column;flex:1 1 0;display:flex;overflow:hidden}.app__diff{background:#fff;flex-direction:column;flex:1 1 0;display:flex;overflow-y:auto}[data-theme=dark] .app__diff{background:var(--bg)}.app__diff>.diff-view{flex:1 1 0}.app__file-bar{background:var(--bg-elevated);border-bottom:1px solid var(--border);flex-shrink:0;align-items:center;gap:0;padding:5px 12px;font-family:DM Sans,system-ui,sans-serif;display:flex}.app__file-bar-side{flex:1;align-items:center;gap:7px;min-width:0;display:flex}.app__file-bar-dot{border-radius:50%;flex-shrink:0;width:8px;height:8px}.app__file-bar-dot--left{background:#22d3ee;box-shadow:0 0 5px #22d3ee80}.app__file-bar-dot--right{background:#f87171;box-shadow:0 0 5px #f8717180}.app__file-bar-name{color:var(--text-secondary);white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;font-size:12px;font-weight:500;overflow:hidden}.app__file-bar-btn{border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-surface);width:26px;height:26px;color:var(--text-secondary);cursor:pointer;flex-shrink:0;justify-content:center;align-items:center;padding:0;font-size:13px;transition:background .15s,color .15s,border-color .15s;display:flex}.app__file-bar-btn:hover:not(:disabled){background:var(--primary);color:#fff;border-color:var(--primary)}.app__file-bar-btn:disabled{opacity:.3;cursor:not-allowed}.app__file-bar-divider{background:var(--border);flex-shrink:0;width:1px;height:20px;margin:0 12px}