:root{color-scheme:light;--bg: #f6f8fb;--bg-soft: #edf5f1;--panel: #ffffff;--panel-2: #f1f5f9;--panel-3: #e8eef5;--line: #d7e0ea;--line-strong: #b9c7d6;--text: #162033;--muted: #64748b;--accent: #147d72;--accent-strong: #0d5e57;--accent-soft: #d9f4ed;--gold: #c47a1e;--danger: #c2413b;--danger-soft: #fde8e6;--shadow: 0 18px 45px rgba(22, 32, 51, .08);--radius: 8px;--footer-row: 96px}*{box-sizing:border-box}html{background:var(--bg)}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:linear-gradient(180deg,#d9f4edbf 0,#f6f8fb00 360px),var(--bg);color:var(--text);line-height:1.5}button,input,select{font:inherit}button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid rgba(20,125,114,.24);outline-offset:2px}.app{height:100vh;display:flex;flex-direction:column;overflow:hidden}.app-shell{display:grid;grid-template-columns:268px minmax(0,1fr);grid-template-rows:auto minmax(0,1fr) var(--footer-row);flex:1;min-height:0}.main{grid-column:2;grid-row:2;min-width:0;display:flex;flex-direction:column;overflow-y:auto}.sidebar{grid-column:1;grid-row:2 / 4;width:268px;flex-shrink:0;background:#ffffffe6;border-right:1px solid var(--line);display:grid;grid-template-rows:minmax(0,1fr) var(--footer-row);box-shadow:8px 0 30px #1620330a;z-index:2}.sidebar-brand{display:flex;align-items:center;gap:9px;min-height:68px;padding:16px 18px;background:none;border:none;border-bottom:1px solid var(--line);width:100%;color:var(--text);cursor:pointer;text-align:left;transition:background .15s,color .15s}.sidebar-brand:before{content:"";width:34px;height:34px;border-radius:var(--radius);background:linear-gradient(135deg,var(--accent),#48b38f);box-shadow:inset 0 -8px 14px #ffffff29}.sidebar-brand:hover,.sidebar-brand.active{background:var(--accent-soft)}.sidebar-logo{font-size:1.18rem;font-weight:800;letter-spacing:0;color:var(--accent-strong)}.sidebar-sub{color:var(--muted);font-size:.88rem;font-weight:600}.sidebar-nav-home{padding:10px;border-bottom:1px solid var(--line)}.sidebar-nav{min-height:0;padding:16px 10px 18px;overflow-y:auto}.sidebar-bottom{height:var(--footer-row);padding:16px 10px;border-top:1px solid var(--line);background:#ffffffb8;display:flex;align-items:center}.sidebar-blog{background:#fffaf0;border-color:#f4d4a7}.side-section{margin-bottom:12px}.side-section-header{display:flex;align-items:center;justify-content:space-between;width:100%;padding:8px 10px;background:none;border:none;color:var(--muted);font-weight:800;font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;cursor:pointer}.side-section-header:hover{color:var(--accent-strong)}.side-chevron{font-size:.72rem}.side-section-body{display:flex;flex-direction:column;gap:3px}.side-tool{display:grid;grid-template-columns:24px 1fr auto;align-items:center;gap:9px;width:100%;min-height:42px;padding:9px 10px;background:none;border:1px solid transparent;border-radius:var(--radius);color:var(--text);font-size:.92rem;font-weight:650;cursor:pointer;text-align:left;transition:background .15s,border-color .15s,color .15s,transform .15s}.sidebar-nav-home .side-tool{margin-bottom:4px}.side-tool:hover{background:var(--panel-2);border-color:var(--line)}.side-tool.active{background:var(--accent-soft);border-color:#147d7247;color:var(--accent-strong)}.side-icon{width:24px;height:24px;display:flex;align-items:center;justify-content:center;font-size:1rem}.side-badge{font-size:.62rem;font-weight:800;background:#fff7e6;color:var(--gold);padding:2px 6px;border:1px solid #f4d4a7;border-radius:999px}.floating-home{position:fixed;right:24px;bottom:24px;z-index:10;min-width:72px;height:48px;padding:0 18px;border:1px solid rgba(20,125,114,.28);border-radius:999px;background:var(--accent);color:#fff;font-weight:900;letter-spacing:.04em;cursor:pointer;box-shadow:0 16px 34px #147d7247;transition:transform .15s,background .15s,box-shadow .15s}.floating-home:hover{background:var(--accent-strong);transform:translateY(-2px);box-shadow:0 20px 42px #147d7257}.app-header{grid-column:1 / -1;grid-row:1;display:flex;align-items:stretch;justify-content:flex-start;padding:0;flex-shrink:0;background:#ffffffeb;border-bottom:1px solid var(--line);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:4;box-shadow:0 10px 28px #1620330d}.app-brand{width:268px;flex-shrink:0;display:flex;align-items:center;gap:12px;padding:16px 18px;background:var(--panel);border:none;border-right:1px solid var(--line);color:var(--text);cursor:pointer;text-align:left;transition:background .15s}.app-brand:hover{background:var(--accent-soft)}.app-brand-mark{width:42px;height:42px;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);background:linear-gradient(135deg,var(--accent),#48b38f);color:#fff;font-size:.78rem;font-weight:900;letter-spacing:.04em;box-shadow:inset 0 -10px 18px #ffffff29}.app-brand-copy{display:flex;flex-direction:column;min-width:0}.app-brand-name{font-size:1.08rem;font-weight:900;color:var(--accent-strong);line-height:1.15}.app-brand-sub{font-size:.76rem;font-weight:700;color:var(--muted);line-height:1.3}.app-header-content{flex:1;min-width:0;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px 28px}.app-header-main{min-width:0;max-width:760px}.app-header-row{display:flex;align-items:center;gap:10px;margin-bottom:4px}.app-header-icon{width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:var(--accent-soft);border:1px solid var(--line);border-radius:var(--radius);color:var(--accent-strong);font-size:1.05rem;font-weight:850}.app-header-label{font-weight:800;font-size:1.18rem;letter-spacing:0}.app-header-desc{display:block;font-size:.9rem;color:var(--muted);line-height:1.45}.app-header-meta{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:12px;min-width:0;flex-shrink:0;width:min(520px,44vw);padding:10px 12px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.app-header-meta.has-file{border-color:#147d7240;background:linear-gradient(180deg,#fff,#d9f4ed5c)}.app-header-file-copy{min-width:0;display:flex;flex-direction:column;gap:2px}.app-header-file-label{color:var(--muted);font-size:.68rem;font-weight:850;letter-spacing:.1em;line-height:1.1;text-transform:uppercase}.app-header-file{font-size:.86rem;font-weight:850;color:var(--accent-strong);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:100%}.app-header-empty{color:var(--text);font-size:.88rem;font-weight:800}.app-header-stats{font-size:.76rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.app-header-file-actions{display:flex;align-items:center;gap:6px}.file-action{min-height:34px;padding:7px 11px;border:1px solid var(--line-strong);border-radius:var(--radius);background:var(--panel);color:var(--accent-strong);font-size:.78rem;font-weight:850;cursor:pointer}.file-action:hover{background:var(--accent-soft);border-color:#147d7257}.file-action.remove{width:34px;padding:0;color:var(--danger);font-size:1.2rem;line-height:1}.file-action.remove:hover{background:var(--danger-soft);border-color:#c2413b57}.tool-panel{width:100%;max-width:980px;margin:0 auto;padding:28px 28px 56px;flex:1}.muted{color:var(--muted)}.home-page{flex:1;overflow-y:auto;padding-top:24px}.home-hero{max-width:1100px;margin:0 auto 34px;padding:0 28px}.home-crumbs{display:flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--muted);font-size:.78rem;font-weight:750}.home-crumbs span{display:inline-flex;align-items:center;min-height:28px;padding:4px 10px;border:1px solid var(--line);border-radius:999px;background:#ffffffb8}.home-crumbs span+span:before{content:"/";margin-right:8px;color:#9aa8b8}.home-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:stretch}.home-hero-main{position:relative;min-height:270px;padding:30px;border:1px solid rgba(20,125,114,.22);border-radius:var(--radius);background:linear-gradient(135deg,#d9f4edeb,#ffffffb8),var(--panel);box-shadow:var(--shadow);overflow:hidden}.home-hero-main:after{content:"";position:absolute;right:24px;bottom:24px;width:210px;height:118px;border:1px solid rgba(20,125,114,.24);border-radius:var(--radius);background:linear-gradient(90deg,transparent 0 18%,rgba(20,125,114,.16) 18% 20%,transparent 20% 45%,rgba(196,122,30,.18) 45% 47%,transparent 47%),linear-gradient(180deg,transparent 0 24%,rgba(20,125,114,.18) 24% 27%,transparent 27% 58%,rgba(20,125,114,.12) 58% 61%,transparent 61%),#ffffff8f;opacity:.9}.home-kicker{display:inline-flex;margin-bottom:12px;padding:5px 10px;border-radius:999px;background:var(--accent);color:#fff;font-size:.76rem;font-weight:850}.home-hero-main h1{position:relative;max-width:620px;margin:0;font-size:clamp(2rem,4vw,3.45rem);line-height:1.02;letter-spacing:0;color:var(--text);z-index:1}.home-hero-main p{position:relative;max-width:610px;margin:16px 0 0;color:var(--muted);font-size:1.02rem;line-height:1.62;z-index:1}.home-metrics{display:grid;gap:12px}.home-metrics div{display:flex;flex-direction:column;justify-content:center;min-height:82px;padding:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);box-shadow:0 10px 24px #1620330a}.home-metrics strong{color:var(--accent-strong);font-size:1.55rem;line-height:1.1}.home-metrics span{color:var(--muted);font-size:.86rem;font-weight:700}.home-section{max-width:980px;margin:0 auto;padding:0 28px 48px}.home-section+.home-section:not(.home-section-alt){padding-top:48px}.home-section-alt{background:#ffffffa3;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding-top:42px;padding-bottom:42px;max-width:none}.home-section-alt>:first-child,.home-section-alt>:nth-child(2){max-width:980px;margin-left:auto;margin-right:auto;padding-left:28px;padding-right:28px}.home-section-title{font-size:.78rem;text-transform:uppercase;letter-spacing:.12em;color:var(--accent-strong);margin:0 0 18px;font-weight:850}.section-heading-row{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px}.section-heading-row .home-section-title{margin:0}.rail-hint{color:var(--muted);font-size:.78rem;font-weight:750;white-space:nowrap}.tools-articles{max-width:860px;margin:0 auto;padding:0 28px}.tool-article{margin-top:26px;padding:24px;background:#ffffffb8;border:1px solid var(--line);border-radius:var(--radius)}.tool-article+.tool-article{margin-top:16px}.tool-article h3{margin:0 0 10px;font-size:1.05rem;display:flex;align-items:center;gap:10px}.tool-article-icon{font-size:1.2rem}.tool-article p{margin:0 0 10px;color:var(--muted);font-size:.93rem;line-height:1.68}.tool-article p:last-child{margin-bottom:0}.tool-article code,.faq-answer code,.blog-post-body code{color:var(--accent-strong);font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:.86em}.tool-article strong,.faq-answer strong,.blog-post-body strong{color:var(--text)}.problems-rail{display:grid;grid-template-columns:repeat(auto-fit,minmax(245px,1fr));gap:14px;padding:0}.problem-card-big{display:grid;grid-template-columns:42px 1fr;gap:12px 14px;align-items:start;padding:20px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);cursor:pointer;text-align:left;color:var(--text);min-height:138px;box-shadow:0 10px 24px #1620330a;transition:border-color .15s,box-shadow .15s,transform .15s}.problem-card-big:hover{border-color:#147d726b;box-shadow:var(--shadow);transform:translateY(-1px)}.problem-card-big-icon{grid-row:span 2;width:42px;height:42px;display:flex;align-items:center;justify-content:center;background:var(--accent-soft);border-radius:var(--radius);font-size:1.35rem}.problem-card-big h3{margin:0;font-size:1.02rem;line-height:1.3}.problem-card-big p{grid-column:2;margin:0;font-size:.9rem;color:var(--muted);line-height:1.55}.faq-list{display:flex;flex-direction:column;gap:10px}.faq-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden}.faq-card.open{border-color:#147d7252}.faq-question{display:flex;justify-content:space-between;align-items:center;width:100%;padding:15px 16px;background:none;border:none;color:var(--text);font-size:.96rem;font-weight:750;cursor:pointer;text-align:left;gap:12px}.faq-question:hover{background:var(--panel-2)}.faq-chevron{font-size:.78rem;color:var(--accent-strong);flex-shrink:0}.faq-answer{padding:0 16px 16px;font-size:.92rem;color:var(--muted);line-height:1.65}.home-footer{grid-column:2;grid-row:3;height:var(--footer-row);border-top:1px solid var(--line);text-align:center;padding:14px 24px;color:var(--muted);font-size:.84rem;background:var(--panel);display:flex;flex-direction:column;justify-content:center}.home-footer p{margin:0}.home-footer strong{color:var(--text)}.footer-links{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;margin-top:8px}.footer-links a{color:var(--muted);text-decoration:none;font-size:.86rem;font-weight:650}.footer-links a:hover{color:var(--accent-strong)}.how-it-works{max-width:760px;margin:0 auto;display:grid;gap:14px}.step{display:grid;grid-template-columns:36px 1fr;gap:14px;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.step-num{width:36px;height:36px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius);background:var(--accent);color:#fff;font-weight:850;font-size:.95rem}.step strong{display:block;margin-bottom:3px;font-size:.96rem;color:var(--text)}.step p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.58}.benefits{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}.benefit{padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.benefit strong{display:block;margin-bottom:6px;font-size:.96rem;color:var(--text)}.benefit p{margin:0;font-size:.9rem;color:var(--muted);line-height:1.58}.blog-page{flex:1;overflow-y:auto;padding:28px 0 48px}.blog-post{max-width:860px;margin:0 auto 22px;padding:26px 28px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)}.blog-post h2{display:flex;align-items:center;gap:10px;font-size:1.28rem;margin:0 0 16px}.blog-post-icon{font-size:1.35rem}.blog-post-body p,.blog-post-body li{color:var(--muted);font-size:.94rem;line-height:1.72}.blog-post-body h3{font-size:1rem;margin:20px 0 8px;color:var(--text)}.blog-post-body ul{padding-left:20px;margin:8px 0 16px}.blog-post-body em{color:var(--accent-strong);font-style:italic}.drop{position:relative;border:2px dashed var(--line-strong);border-radius:var(--radius);background:linear-gradient(180deg,#d9f4ed6b,#ffffffeb),var(--panel);padding:38px 22px;text-align:center;transition:border-color .15s,background .15s,box-shadow .15s,transform .15s;cursor:pointer;box-shadow:0 12px 28px #1620330d}.drop:hover,.drop.drag{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-1px)}.drop-inner:before{content:"GPX";display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;margin-bottom:14px;border-radius:var(--radius);background:var(--accent);color:#fff;font-size:.82rem;font-weight:850}.drop-inner strong{display:block;font-size:1.08rem;margin-bottom:4px}.drop-inner span{color:var(--muted)}.filename{display:inline-block;margin-top:12px;padding:5px 9px;color:var(--accent-strong);background:var(--accent-soft);border-radius:999px;font-weight:700}.link{background:none;border:none;color:var(--accent-strong);cursor:pointer;padding:0;text-decoration:underline;text-underline-offset:3px;font-weight:750}.opts{margin-top:14px;padding:18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;align-items:end;box-shadow:0 10px 24px #1620330a}.field{display:flex;flex-direction:column;gap:7px;min-width:0}.field label{font-size:.82rem;color:var(--muted);font-weight:750}.check{display:flex;align-items:center;gap:9px;min-height:42px;padding:8px 10px;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);font-size:.92rem;font-weight:650}.check input{width:18px;height:18px;accent-color:var(--accent)}input[type=number],input[type=datetime-local],select{width:100%;min-width:0;background:#fff;color:var(--text);border:1px solid var(--line-strong);border-radius:var(--radius);padding:10px 11px;min-height:42px}input::placeholder{color:#9aa8b8}input[type=range]{width:100%;accent-color:var(--accent)}.range-field{grid-column:1 / -1}.range-hints{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:.78rem;font-weight:650}.run{margin-top:16px;width:100%;min-height:48px;padding:13px 16px;background:var(--accent);color:#fff;border:none;border-radius:var(--radius);font-size:1rem;font-weight:850;cursor:pointer;box-shadow:0 14px 26px #147d7238;transition:background .15s,transform .15s,box-shadow .15s}.run:hover:not(:disabled){background:var(--accent-strong);transform:translateY(-1px);box-shadow:0 16px 30px #147d7245}.run:disabled{opacity:.56;cursor:not-allowed;box-shadow:none}.error{margin-top:16px;padding:12px 14px;border-radius:var(--radius);background:var(--danger-soft);border:1px solid rgba(194,65,59,.35);color:var(--danger);font-weight:650}.results{margin-top:28px;padding:22px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:0 12px 28px #1620330d}.results.compact{margin-top:16px}.results-head{display:flex;align-items:center;justify-content:space-between;gap:14px}.results-head h2{margin:0;font-size:1.18rem}.result-summary{min-width:0;display:flex;flex-direction:column;gap:8px}.result-kicker{color:var(--accent-strong);font-size:.76rem;font-weight:900;letter-spacing:.1em;text-transform:uppercase}.result-stats{display:flex;flex-wrap:wrap;gap:8px}.result-stats span{display:inline-flex;align-items:baseline;gap:4px;padding:7px 10px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-2);color:var(--muted);font-size:.88rem;font-weight:650}.result-stats strong{color:var(--text)}.result-stats.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(130px,1fr))}.download{min-height:42px;padding:10px 16px;background:#1f9f75;color:#fff;border:none;border-radius:var(--radius);font:inherit;font-weight:850;cursor:pointer;white-space:nowrap;box-shadow:0 12px 22px #1f9f7538;transition:background .15s,transform .15s,box-shadow .15s}.download:hover{background:#177e60;transform:translateY(-1px);box-shadow:0 14px 26px #1f9f7547}.note{margin:14px 0 0;padding:11px 13px;border-radius:var(--radius);background:var(--accent-soft);border:1px solid rgba(20,125,114,.25);color:var(--accent-strong);font-size:.92rem;font-weight:650}.preview{display:block;width:100%;height:auto;margin:18px 0;background:linear-gradient(90deg,rgba(22,32,51,.04) 1px,transparent 1px),linear-gradient(180deg,rgba(22,32,51,.04) 1px,transparent 1px),#fbfcfe;background-size:28px 28px;border:1px solid var(--line);border-radius:var(--radius)}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}table{width:100%;border-collapse:collapse;font-size:.92rem;background:var(--panel)}th,td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:850;background:var(--panel-2)}tr:last-child td{border-bottom:none}tr.partial td{color:var(--muted);font-style:italic}.empty-state{margin:0;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);color:var(--muted);font-weight:650}.empty-state code{color:var(--accent-strong)}.merge-zone{border:2px dashed var(--line-strong);border-radius:var(--radius);padding:30px;text-align:center;cursor:pointer;margin:16px 0 0;background:var(--panel);transition:border-color .15s,box-shadow .15s}.merge-zone:hover{border-color:var(--accent);box-shadow:var(--shadow)}.merge-zone p{margin:0;font-weight:750}.merge-list{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.merge-list li{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 12px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);font-size:.9rem}.merge-list li span{color:var(--text)}.filebar-btn{background:var(--panel);border:1px solid var(--line-strong);color:var(--text);padding:7px 12px;border-radius:var(--radius);font-size:.84rem;font-weight:750;cursor:pointer;transition:border-color .15s,color .15s,background .15s}.filebar-btn:hover{border-color:var(--accent);color:var(--accent-strong);background:var(--accent-soft)}.filebar-btn.danger:hover{border-color:var(--danger);color:var(--danger);background:var(--danger-soft)}@media (max-width: 900px){.app-shell{grid-template-columns:1fr;grid-template-rows:auto auto minmax(0,1fr) auto}.app-header{grid-column:1;grid-row:1;flex-direction:column}.app-brand{width:100%;border-right:none;border-bottom:1px solid var(--line);padding:12px 16px}.app-brand-mark{width:36px;height:36px}.app-header-content{padding:14px 18px}.app-header-meta{width:min(420px,48vw)}.sidebar{grid-column:1;grid-row:2;display:flex;flex-direction:column;width:100%;max-height:44vh;border-right:none;border-bottom:1px solid var(--line)}.sidebar-nav{padding:10px}.side-section-body{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px}.sidebar-bottom{height:auto;padding:8px 10px}.main{grid-column:1;grid-row:3;min-height:0}.home-footer{grid-column:1;grid-row:4;height:auto;min-height:var(--footer-row)}.home-hero,.home-section,.tool-panel{padding-left:18px;padding-right:18px}.home-hero-grid{grid-template-columns:1fr}.home-metrics{grid-template-columns:repeat(3,minmax(0,1fr))}.blog-post{margin-left:18px;margin-right:18px}}@media (max-width: 640px){.app{height:auto;min-height:100vh;overflow:visible}.app-shell{min-height:100vh}.app-header-content{flex-direction:column;align-items:stretch;gap:12px}.app-header-meta{align-items:flex-start;width:100%}.app-header-file-actions{align-self:stretch}.file-action{flex:1}.file-action.remove{flex:0 0 42px;width:42px}.app-header-file{max-width:100%}.app-header-stats{white-space:normal}.sidebar{max-height:none}.side-section-body{grid-template-columns:1fr}.home-page{padding-top:18px}.home-hero{margin-bottom:24px}.home-crumbs{overflow-x:auto;padding-bottom:2px}.home-hero-main{min-height:0;padding:22px}.home-hero-main:after{display:none}.home-hero-main h1{font-size:2rem}.home-metrics,.problems-rail{grid-template-columns:1fr}.section-heading-row{align-items:flex-start;flex-direction:column;gap:4px}.tool-panel{padding-top:20px;padding-bottom:40px}.drop{padding:30px 16px}.opts{grid-template-columns:1fr;padding:14px}.results{padding:16px}.results-head{flex-direction:column;align-items:stretch}.download{width:100%}.problem-card-big{grid-template-columns:38px 1fr;min-height:0}.problem-card-big p{grid-column:1 / -1}.step{grid-template-columns:32px 1fr;padding:14px}.step-num{width:32px;height:32px}.home-section-alt>:first-child,.home-section-alt>:nth-child(2){padding-left:18px;padding-right:18px}.floating-home{right:16px;bottom:16px}}