:root { color-scheme: light; }
html { scroll-behavior: smooth; }
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: #cbcbcb;
    color: #1f2d27;
    line-height: 1.5;
}
a { color: #157347; }
a:hover { color: #0f5c38; }
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem 1.5rem;
    background: linear-gradient(135deg, #37b661, #93d4b4);
    border-bottom: 1px solid #cfdcd5;
}
.header-text { min-width: 0; }
.logo { display: block; flex: 0 0 auto; width: 72px; height: 72px; object-fit: contain; }
header h1 { margin: 0 0 .25rem; font-size: 1.8rem; }
header p { margin: 0; color: #5b6f65; max-width: 75ch; }
main { padding: 1.5rem; max-width: 1100px; margin: 0 auto; }
section { margin-bottom: 2.5rem; }
h2 { border-bottom: 1px solid #cfdcd5; padding-bottom: .4rem; font-size: 1.2rem; }
h3 { margin: 0 0 .3rem; font-size: 1rem; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 1rem; }
.card { display: flex; flex-direction: column; background: #ffffff; border: 1px solid #d4e0d9; border-radius: 10px; padding: 1rem; }
.card p { color: #5b6f65; font-size: .9rem; }
.card-links { display: flex; justify-content: space-between; align-items: center; gap: .5rem; margin-top: auto; padding-top: .75rem; }
.tester { background: #eaeaea; border: 1px solid #d4e0d9; border-radius: 10px; padding: 1rem; margin-bottom: 1rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: .75rem; margin-bottom: .75rem; }
label { display: flex; flex-direction: column; gap: .25rem; font-size: .8rem; color: #5b6f65; }
input, select {
    background: #ffffff;
    border: 1px solid #b9c9c0;
    color: #1f2d27;
    border-radius: 6px;
    padding: .45rem .55rem;
    font-size: .9rem;
    width: 100%;
}
button {
    background: #1f7a48;
    color: #ffffff;
    border: 0;
    border-radius: 6px;
    padding: .5rem .9rem;
    font-weight: 600;
    cursor: pointer;
}
button:hover { background: #16663b; }
.result {
    background: #f0f0f0;
    border: 1px solid #d0d0d0;
    border-radius: 8px;
    padding: .75rem;
    min-height: 2.5rem;
    max-height: 22rem;
    overflow: auto;
    white-space: pre-wrap;
    word-break: break-word;
    font-size: .8rem;
    color: #14532d;
}
.result-links { margin-top: .5rem; font-size: .9rem; font-weight: 600; }
.result-links[hidden] { display: none; }
.muted { color: #6b7f75; font-size: .85rem; }
#image-preview { display: none; max-width: 100%; margin-top: .75rem; border: 1px solid #d4e0d9; border-radius: 8px; background: #f7faf8; }

/* Documentation content */
.doc { color: #33443b; }
.doc h1 { font-size: 1.6rem; margin: 0 0 1rem; }
.doc h2 { margin-top: 2.2rem; color: #1f2d27; }
.doc h3 { margin-top: 1.4rem; color: #1f2d27; }
.doc p { max-width: 85ch; }
.doc code {
    background: #eef6f1;
    border: 1px solid #d4e0d9;
    border-radius: 4px;
    padding: .1rem .3rem;
    font-size: .85em;
    color: #166534;
}
.doc pre {
    background: #f7faf8;
    border: 1px solid #d4e0d9;
    border-radius: 8px;
    padding: .85rem 1rem;
    overflow: auto;
}
.doc pre code { background: none; border: 0; padding: 0; color: #1f2d27; font-size: .85rem; }
.doc table { width: 100%; border-collapse: collapse; margin: 1rem 0; font-size: .9rem; }
.doc th, .doc td { border: 1px solid #d4e0d9; padding: .45rem .6rem; text-align: left; vertical-align: top; }
.doc th { background: #e8f2ec; color: #1f2d27; }
.doc tr:nth-child(even) td { background: #f6faf7; }
.doc hr { border: 0; border-top: 1px solid #d4e0d9; margin: 2rem 0; }
.doc ul, .doc ol { padding-left: 1.5rem; }
.doc li { margin: .3rem 0; }
.doc strong { color: #1f2d27; }
.back { margin: 0 0 1.5rem; }
.back a { text-decoration: none; }
.back a:hover { text-decoration: underline; }