:root{color-scheme:light;--bg: #f7faf9;--surface: #ffffff;--surface-2: #eef4f1;--text: #17211d;--muted: #5b6d66;--border: #d7e2dd;--brand: #007f73;--brand-strong: #005f56;--accent: #f5b942;--added-bg: #ddf7e8;--added-text: #0a6a31;--removed-bg: #ffe2df;--removed-text: #9d1c12;--modified-bg: #fff3c7;--modified-text: #765200;--shadow: 0 14px 40px rgba(23, 33, 29, .1);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}html[data-theme=dark]{color-scheme:dark;--bg: #101513;--surface: #17211d;--surface-2: #22302a;--text: #edf7f3;--muted: #a9bbb4;--border: #31443c;--brand: #4fd1c5;--brand-strong: #83e6dc;--accent: #ffd166;--added-bg: #123826;--added-text: #8ee6ad;--removed-bg: #421b18;--removed-text: #ffaaa2;--modified-bg: #3e3213;--modified-text: #ffe08a;--shadow: 0 14px 40px rgba(0, 0, 0, .28)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:var(--bg);color:var(--text)}button,input,textarea,select{font:inherit}a{color:inherit}button{border:0;cursor:pointer}button:focus-visible,a:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid color-mix(in srgb,var(--brand) 50%,transparent);outline-offset:3px}textarea{width:100%;min-height:320px;resize:vertical;border:1px solid var(--border);border-radius:8px;padding:1rem;background:var(--surface);color:var(--text);line-height:1.5;overflow-wrap:anywhere}.page{width:min(1180px,100% - 2rem);margin:0 auto;padding:2rem 0 4rem}.eyebrow{color:var(--brand-strong);font-size:.82rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.section-title{margin:0 0 .75rem;font-size:clamp(1.75rem,3vw,2.6rem);line-height:1.1}.muted{color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;min-height:2.75rem;border-radius:8px;padding:.75rem 1rem;background:var(--brand);color:#fff;font-weight:800;text-decoration:none;box-shadow:0 12px 24px color-mix(in srgb,var(--brand) 22%,transparent);transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.btn:hover{transform:translateY(-1px);background:var(--brand-strong)}.btn.secondary{background:var(--surface-2);color:var(--text);border:1px solid var(--border);box-shadow:none}.tool-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.tool-card{position:relative;display:flex;min-height:150px;flex-direction:column;justify-content:space-between;border:1px solid var(--border);border-radius:8px;padding:1.2rem;background:var(--surface);box-shadow:var(--shadow);text-decoration:none;transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease}.tool-card:hover{transform:translateY(-4px);border-color:color-mix(in srgb,var(--brand) 45%,var(--border));box-shadow:0 20px 50px color-mix(in srgb,var(--brand) 14%,transparent)}.tool-icon{display:inline-flex;align-items:center;justify-content:center;width:2.6rem;height:2.6rem;border-radius:8px;background:color-mix(in srgb,var(--brand) 13%,var(--surface));color:var(--brand-strong);font-weight:950}.compare-toolbar,.option-grid,.stats-grid{display:flex;flex-wrap:wrap;gap:.75rem;align-items:center;min-width:0}.option-grid label{display:inline-flex;align-items:center;gap:.4rem;min-height:2.35rem}.editor-grid,.result-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem}.editor-grid>*,.result-grid>*{min-width:0}.panel{border:1px solid var(--border);border-radius:8px;background:var(--surface);overflow:hidden;min-width:0}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.75rem 1rem;border-bottom:1px solid var(--border);background:var(--surface-2);font-weight:800}.diff{margin:0;padding:1rem;min-height:260px;overflow:auto;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:.9rem;line-height:1.55;white-space:pre-wrap;overflow-wrap:anywhere;word-break:break-word}.diff span{display:block;min-height:1.45em}.line-added{background:var(--added-bg);color:var(--added-text)}.line-removed{background:var(--removed-bg);color:var(--removed-text)}.line-modified{background:var(--modified-bg);color:var(--modified-text)}.line-unchanged{color:var(--muted)}@media (max-width: 780px){.tool-grid,.editor-grid,.result-grid{grid-template-columns:1fr}.page{width:min(100% - 1rem,1180px);padding-top:1rem}textarea{min-height:240px}}@media (max-width: 560px){.compare-toolbar>*,.compare-toolbar .btn,.compare-toolbar select{width:100%}.option-grid label,.stats-grid span{width:100%}textarea{min-height:210px}}