:root{font-family:system-ui,-apple-system,"Segoe UI",sans-serif;color:#18271f;background:#f6f8f4;color-scheme:light;--green:#174735;--line:#dce5dc;--muted:#506259}
*{box-sizing:border-box}
body{margin:0}header,main,footer{max-width:1040px;margin:auto;padding-inline:24px}
header{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line)}
a{color:var(--green)}.brand{display:flex;align-items:center;gap:8px;font-weight:800;text-decoration:none;font-size:1.15rem}
nav{display:flex;flex-wrap:wrap;gap:5px 12px}nav a{font-size:.85rem;text-decoration:none;padding:5px 3px}nav a[aria-current]{font-weight:750;text-decoration:underline;text-underline-offset:5px}
.hero{text-align:center;padding:60px 0 30px}
.kicker{display:inline-flex;align-items:center;gap:9px;color:var(--green);font-size:.76rem;font-weight:750;letter-spacing:.12em;background:#e4efe6;padding:8px 13px;border-radius:50px;margin:0}
.kicker span{height:7px;width:7px;border-radius:50%;background:#32794e}
h1{font-size:clamp(2.15rem,6vw,4.25rem);line-height:1.07;letter-spacing:-.045em;max-width:880px;margin:18px auto}
.lead{color:var(--muted);max-width:620px;margin:auto;font-size:1.07rem;line-height:1.55}
.tool{max-width:820px;margin:auto;border:1px solid var(--line);border-radius:25px;background:white;padding:20px;box-shadow:0 12px 48px #22472a0c}
#drop{display:grid;justify-items:center;gap:10px;text-align:center;border:1px dashed #97b6a3;background:#edf5ed;border-radius:16px;padding:28px 12px;color:var(--green)}
#drop.over{background:#d3ebd9}#drop p{margin:0}small{color:var(--muted);font-size:.83rem}
.pick,button{position:relative;display:inline-block;border-radius:10px;padding:10px 14px;font:inherit;font-weight:700;cursor:pointer;border:1px solid var(--line);background:white;color:var(--green)}
.pick input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:pointer}.pick:focus-within,button:focus-visible,a:focus-visible{outline:3px solid #29794e;outline-offset:3px}
.pick,.primary{background:var(--green);color:white;border-color:var(--green)}
button:disabled{opacity:.48;cursor:default}button[hidden]{display:none}.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
#status{color:var(--muted);margin:8px 0 0;font-size:.9rem}
#queue{list-style:none;margin:0;padding:0}#queue li{display:flex;align-items:center;flex-wrap:wrap;gap:8px;border-top:1px solid var(--line);padding-top:10px;margin-top:10px}
#queue img{width:52px;height:52px;object-fit:contain;border-radius:7px;background:repeating-conic-gradient(#e4ebe5 0% 25%,white 0% 50%) 0/12px 12px}
.detail{display:grid;min-width:0;flex:1 1 120px;gap:3px}.detail strong{overflow-wrap:anywhere}
.guide{margin:46px auto;max-width:820px}.guide h2{letter-spacing:-.025em}.faq{display:grid;gap:12px;grid-template-columns:repeat(3,minmax(0,1fr))}.faq article{border-top:1px solid var(--line);padding-top:10px}.faq h3{font-size:1rem;margin:0}.faq p{font-size:.93rem;color:var(--muted);line-height:1.6;margin:8px 0}
footer{color:var(--muted);border-top:1px solid var(--line);padding-block:22px;font-size:.9rem}
@media(max-width:620px){header{padding-block:14px;align-items:flex-start;flex-direction:column}.hero{padding-top:36px}.faq{grid-template-columns:1fr}.tool{padding:12px}}
footer{display:flex;flex-wrap:wrap;gap:8px 18px}
.info{max-width:720px;margin:48px auto 64px;line-height:1.65}
.info h1{font-size:clamp(2rem,5vw,3rem);margin:0 0 20px}
.info p,.examples p,.guide>p{color:var(--muted);line-height:1.65}
.examples{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.examples article{padding:14px;border:1px solid var(--line);background:white;border-radius:14px}
.examples h3{margin:0 0 12px}
.comparison{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}
.comparison figure{margin:0}
.comparison img{display:block;width:100%;height:auto;border-radius:8px;background:repeating-conic-gradient(#dce5dc 0% 25%,white 0% 50%) 0/14px 14px}
.comparison figcaption{font-size:.85rem;color:var(--muted);margin-top:5px}
@media(max-width:620px){.examples{grid-template-columns:1fr}}