:root{--bg-dark:#050510;--card:#ffffff05;--input-bg:#ffffff08;--text-main:#fff;--text-dim:#88a;--text-muted:#666;--border:#ffffff0f;--cyan:#22d3ee;--purple:#a855f7;--accent:var(--calc-color-tools);--font-mono:"JetBrains Mono", "Courier New", monospace;--diff-added-bg:#22c55e26;--diff-added-text:#4ade80;--diff-removed-bg:#ef444426;--diff-removed-text:#f87171;--diff-word-added:#22c55e59;--diff-word-removed:#ef444459}body{background:var(--calc-bg-page);color:var(--calc-text-primary);min-height:100vh}.dashboard-container{max-width:1600px;margin:0 auto;padding:80px 1.5rem 2rem}.breadcrumb{color:var(--calc-text-dim);margin-bottom:1.25rem;font-size:.78rem}.breadcrumb a{color:var(--calc-text-dim);text-decoration:none;transition:color .2s}.breadcrumb a:hover{color:var(--calc-cyan)}.breadcrumb .sep{opacity:.4;margin:0 6px}.tool-hero{margin-bottom:1.5rem}.tool-hero__title{color:var(--calc-text-primary);margin:0 0 8px;font-size:2rem;font-weight:800;line-height:1.2}.tool-hero__accent{background:linear-gradient(135deg, var(--calc-cyan), var(--purple));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.tool-hero__subtitle{color:var(--calc-text-dim);max-width:700px;margin:0;font-size:.95rem;line-height:1.6}.view-tabs{border:1px solid var(--calc-border-default);background:#ffffff08;border-radius:10px;gap:4px;width:fit-content;margin-bottom:16px;padding:4px;display:flex}.view-tab{color:var(--calc-text-dim);cursor:pointer;background:0 0;border:none;border-radius:8px;padding:8px 20px;font-family:inherit;font-size:.82rem;font-weight:600;transition:background .2s,color .2s}.view-tab:hover{color:var(--calc-text-primary);background:#ffffff0d}.view-tab.active{color:var(--calc-cyan);background:#22d3ee1f}.options-row{flex-wrap:wrap;gap:18px;margin-bottom:16px;display:flex}.option-toggle{color:var(--calc-text-dim);cursor:pointer;user-select:none;align-items:center;gap:7px;font-size:.78rem;display:flex}.option-toggle input[type=checkbox]{accent-color:var(--calc-cyan);cursor:pointer;width:14px;height:14px}.input-panel{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:14px;margin-bottom:20px;padding:20px}.input-grid{grid-template-columns:1fr 1fr;gap:16px;display:grid}.input-col__header{justify-content:space-between;align-items:center;margin-bottom:8px;display:flex}.input-col__label{color:var(--calc-text-primary);letter-spacing:.02em;font-size:.82rem;font-weight:700}.diff-textarea{background:var(--input-bg);border:1px solid var(--calc-border-default);width:100%;min-height:220px;color:var(--calc-text-primary);font-family:var(--font-mono);resize:vertical;tab-size:2;white-space:pre;box-sizing:border-box;border-radius:10px;padding:14px;font-size:.82rem;line-height:1.7;transition:border-color .2s,box-shadow .2s;overflow-x:auto}.diff-textarea:focus{border-color:#22d3ee66;outline:none;box-shadow:0 0 0 3px #22d3ee14}.diff-textarea::placeholder{color:#ffffff40}.btn-primary{background:linear-gradient(135deg, var(--calc-cyan), var(--purple));color:#000;cursor:pointer;border:none;border-radius:10px;padding:10px 28px;font-family:inherit;font-size:.88rem;font-weight:700;transition:opacity .2s,transform .15s}.btn-primary:hover{opacity:.9;transform:translateY(-1px)}.btn-primary:active{transform:translateY(0)}.btn-sm{cursor:pointer;border-radius:8px;padding:6px 14px;font-family:inherit;font-size:.78rem;font-weight:600;transition:background .2s,color .2s,border-color .2s}.btn-ghost{border:1px solid var(--calc-border-default);color:var(--calc-text-dim);background:0 0}.btn-ghost:hover{border-color:var(--calc-cyan);color:var(--calc-cyan);background:#22d3ee0f}.action-row{align-items:center;gap:10px;margin-top:16px;display:flex}.diff-output{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:14px;margin-bottom:20px;overflow:hidden}.diff-output.hidden{display:none}.diff-header{border-bottom:1px solid var(--calc-border-default);justify-content:space-between;align-items:center;padding:12px 20px;display:flex}.diff-header__title{color:var(--calc-text-primary);font-size:.85rem;font-weight:700}.split-container{grid-template-columns:1fr 1fr;display:grid}.split-pane{overflow-x:auto}.split-pane:first-child{border-right:1px solid var(--calc-border-default)}.split-pane__header{color:var(--calc-text-dim);text-transform:uppercase;letter-spacing:.06em;border-bottom:1px solid var(--calc-border-default);background:#ffffff03;padding:8px 16px;font-size:.72rem;font-weight:700}.split-pane__body{font-family:var(--font-mono);min-height:80px;font-size:.8rem;line-height:1.7}.diff-line{min-height:1.7em;padding:0 12px 0 0;display:flex}.diff-line--added{background:var(--diff-added-bg)}.diff-line--removed{background:var(--diff-removed-bg)}.diff-line--empty{background:#ffffff03}.diff-line__num{text-align:right;width:44px;color:var(--calc-text-muted);user-select:none;border-right:1px solid var(--calc-border-default);flex-shrink:0;padding:0 10px 0 6px;font-size:.72rem}.diff-line__prefix{text-align:center;width:18px;color:var(--calc-text-muted);user-select:none;flex-shrink:0;font-weight:700}.diff-line--added .diff-line__prefix{color:var(--diff-added-text)}.diff-line--removed .diff-line__prefix{color:var(--diff-removed-text)}.diff-line__content{white-space:pre;flex:1;padding-left:4px;overflow-x:auto}.diff-word--added{background:var(--diff-word-added);border-radius:3px;padding:0 1px}.diff-word--removed{background:var(--diff-word-removed);border-radius:3px;padding:0 1px}.unified-body{font-family:var(--font-mono);min-height:80px;font-size:.8rem;line-height:1.7}.unified-line{min-height:1.7em;padding:0 12px 0 0;display:flex}.unified-line--added{background:var(--diff-added-bg)}.unified-line--removed{background:var(--diff-removed-bg)}.unified-line__num{text-align:right;width:40px;color:var(--calc-text-muted);user-select:none;flex-shrink:0;padding:0 6px;font-size:.72rem}.unified-line__num2{text-align:right;width:40px;color:var(--calc-text-muted);user-select:none;border-right:1px solid var(--calc-border-default);flex-shrink:0;padding:0 8px 0 2px;font-size:.72rem}.unified-line__prefix{text-align:center;width:18px;color:var(--calc-text-muted);user-select:none;flex-shrink:0;font-weight:700}.unified-line--added .unified-line__prefix{color:var(--diff-added-text)}.unified-line--removed .unified-line__prefix{color:var(--diff-removed-text)}.unified-line__content{white-space:pre;flex:1;padding-left:4px;overflow-x:auto}.stats-grid{grid-template-columns:repeat(4,1fr);gap:14px;padding:20px;display:grid}.stat-card{border:1px solid var(--calc-border-default);text-align:center;background:#ffffff08;border-radius:12px;padding:20px 16px}.stat-card__value{font-size:1.8rem;font-weight:800;font-family:var(--font-mono);line-height:1.2}.stat-card__label{color:var(--calc-text-dim);margin-top:6px;font-size:.75rem;font-weight:600}.stat-card--added .stat-card__value{color:var(--diff-added-text)}.stat-card--added{border-left:3px solid var(--diff-added-text)}.stat-card--removed .stat-card__value{color:var(--diff-removed-text)}.stat-card--removed{border-left:3px solid var(--diff-removed-text)}.stat-card--unchanged .stat-card__value{color:var(--calc-text-dim)}.stat-card--unchanged{border-left:3px solid var(--calc-text-dim)}.stat-card--similarity .stat-card__value{color:var(--calc-cyan)}.stat-card--similarity{border-left:3px solid var(--calc-cyan)}.stats-bar-wrap{padding:0 20px 20px}.stats-bar{background:#ffffff0a;border-radius:6px;height:12px;display:flex;overflow:hidden}.stats-bar__seg{min-width:0;transition:width .5s}.stats-bar__seg--unchanged{background:#64748b}.stats-bar__seg--added{background:#4ade80}.stats-bar__seg--removed{background:#f87171}.stats-bar__legend{color:var(--calc-text-dim);gap:18px;margin-top:10px;font-size:.72rem;display:flex}.legend-item{align-items:center;gap:6px;display:flex}.legend-item:before{content:"";border-radius:3px;width:10px;height:10px;display:block}.legend-item--unchanged:before{background:#64748b}.legend-item--added:before{background:#4ade80}.legend-item--removed:before{background:#f87171}.toast{color:#fff;z-index:9999;border-radius:10px;max-width:340px;padding:12px 20px;font-size:.85rem;animation:.3s toastIn;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 20px #0000004d}.toast-success{background:#22c55ef2}.toast-warn{background:#f59e0bf2}.toast-error{background:#ef4444f2}@keyframes toastIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.diff-empty{text-align:center;color:var(--calc-text-muted);padding:48px 24px;font-size:.88rem}.diff-empty__icon{opacity:.5;margin-bottom:12px;font-size:2.5rem}.glass-navbar{-webkit-backdrop-filter:blur(12px);background:#050510eb;border-bottom:1px solid #ffffff0f}@media (width<=900px){.input-grid,.split-container{grid-template-columns:1fr}.split-pane:first-child{border-right:none;border-bottom:1px solid var(--calc-border-default)}.stats-grid{grid-template-columns:repeat(2,1fr)}}@media (width<=500px){.dashboard-container{padding:70px 1rem 2rem}.diff-textarea{min-height:160px}.stats-grid{grid-template-columns:1fr 1fr;gap:10px}.view-tabs{width:100%}.view-tab{text-align:center;flex:1;padding:8px 12px}}[data-theme=light]{--bg-dark:#e8edf5;--card:#fffffff2;--input-bg:#f0f4f9;--text-main:#0f172a;--text-dim:#475569;--text-muted:#64748b;--border:#0000001a;--cyan:#0891b2;--purple:#7c3aed;--accent:var(--calc-color-tools);--diff-added-bg:#dcfce7;--diff-added-text:#15803d;--diff-removed-bg:#fee2e2;--diff-removed-text:#dc2626;--diff-word-added:#22c55e4d;--diff-word-removed:#ef444440}[data-theme=light] body{color:#0f172a;background:#e8edf5}[data-theme=light] .glass-navbar{-webkit-backdrop-filter:blur(12px);background:#fffffff2;border-bottom:1px solid #00000014}[data-theme=light] .tool-hero__accent{background:linear-gradient(135deg,#0891b2,#7c3aed);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}[data-theme=light] .view-tabs{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000f}[data-theme=light] .view-tab{color:#64748b}[data-theme=light] .view-tab:hover{color:#0f172a;background:#f0f4f9}[data-theme=light] .view-tab.active{color:#0891b2;background:#0891b21a}[data-theme=light] .option-toggle{color:#475569}[data-theme=light] .option-toggle input[type=checkbox]{accent-color:#0891b2}[data-theme=light] .input-panel{background:#fff;border-color:#0000001a;box-shadow:0 2px 12px #0000000f}[data-theme=light] .diff-textarea{color:#0f172a;background:#f0f4f9;border-color:#0000001f}[data-theme=light] .diff-textarea:focus{border-color:#0891b266;box-shadow:0 0 0 3px #0891b214}[data-theme=light] .diff-textarea::placeholder{color:#00000059}[data-theme=light] .btn-primary{color:#fff;background:linear-gradient(135deg,#0891b2,#7c3aed)}[data-theme=light] .btn-ghost{color:#475569;border-color:#00000026}[data-theme=light] .btn-ghost:hover{color:#0891b2;background:#0891b20f;border-color:#0891b2}[data-theme=light] .diff-output{background:#fff;border-color:#0000001a;box-shadow:0 2px 12px #0000000f}[data-theme=light] .diff-header{border-bottom-color:#00000014}[data-theme=light] .diff-header__title{color:#0f172a}[data-theme=light] .split-pane:first-child{border-right-color:#00000014}[data-theme=light] .split-pane__header{color:#64748b;background:#f8fafc;border-bottom-color:#0000000f}[data-theme=light] .diff-line__num{color:#94a3b8;border-right-color:#0000000f}[data-theme=light] .diff-line__prefix{color:#94a3b8}[data-theme=light] .diff-line--added .diff-line__prefix{color:#15803d}[data-theme=light] .diff-line--removed .diff-line__prefix{color:#dc2626}[data-theme=light] .diff-line__content{color:#0f172a}[data-theme=light] .diff-line--empty{background:#fafbfc}[data-theme=light] .unified-line__num{color:#94a3b8}[data-theme=light] .unified-line__num2{color:#94a3b8;border-right-color:#0000000f}[data-theme=light] .unified-line__prefix{color:#94a3b8}[data-theme=light] .unified-line--added .unified-line__prefix{color:#15803d}[data-theme=light] .unified-line--removed .unified-line__prefix{color:#dc2626}[data-theme=light] .unified-line__content{color:#0f172a}[data-theme=light] .stat-card{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000f}[data-theme=light] .stat-card__value{color:#0f172a}[data-theme=light] .stat-card__label{color:#64748b}[data-theme=light] .stat-card--added .stat-card__value{color:#15803d}[data-theme=light] .stat-card--added{border-left-color:#15803d}[data-theme=light] .stat-card--removed .stat-card__value{color:#dc2626}[data-theme=light] .stat-card--removed{border-left-color:#dc2626}[data-theme=light] .stat-card--unchanged .stat-card__value{color:#64748b}[data-theme=light] .stat-card--unchanged{border-left-color:#94a3b8}[data-theme=light] .stat-card--similarity .stat-card__value{color:#0891b2}[data-theme=light] .stat-card--similarity{border-left-color:#0891b2}[data-theme=light] .stats-bar{background:#0000000f}[data-theme=light] .stats-bar__seg--unchanged{background:#94a3b8}[data-theme=light] .stats-bar__seg--added{background:#22c55e}[data-theme=light] .stats-bar__seg--removed{background:#ef4444}[data-theme=light] .stats-bar__legend{color:#475569}[data-theme=light] .legend-item--unchanged:before{background:#94a3b8}[data-theme=light] .legend-item--added:before{background:#22c55e}[data-theme=light] .legend-item--removed:before{background:#ef4444}[data-theme=light] .toast{box-shadow:0 4px 20px #00000026}[data-theme=light] .diff-empty,[data-theme=light] .breadcrumb,[data-theme=light] .breadcrumb a{color:#64748b}[data-theme=light] .breadcrumb a:hover{color:#0891b2}[data-theme=light] .input-col__label{color:#0f172a}[data-theme=light] .diff-word--added{background:#22c55e40}[data-theme=light] .diff-word--removed{background:#ef444433}