:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #0b0e0d; color: #eef3ee; }
* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; background: radial-gradient(circle at 75% 0%, #183126 0, transparent 32rem), #0b0e0d; }
main { width: min(100% - 2rem, 720px); margin: 0 auto; padding: 4rem 0 2.5rem; }
header { margin-bottom: 2rem; }
.lock { color: #8cddb0; font-size: .85rem; }
.eyebrow { color: #8cddb0; letter-spacing: .16em; text-transform: uppercase; font-size: .72rem; font-weight: 700; margin: .8rem 0 1.4rem; }
h1 { font-family: Georgia, serif; font-size: clamp(2.5rem, 8vw, 4.8rem); font-weight: 400; line-height: .98; letter-spacing: -.045em; margin: 0; }
h1 em { color: #8cddb0; font-weight: 400; }
.lede { color: #9da9a1; max-width: 36rem; line-height: 1.65; font-size: 1.02rem; }
.card { background: rgba(21, 27, 24, .9); border: 1px solid #2c3932; border-radius: 18px; padding: clamp(1.25rem, 4vw, 2rem); box-shadow: 0 24px 80px rgba(0,0,0,.35); }
h2 { margin: 0 0 1.5rem; font-size: 1.1rem; }
label { display: block; margin: 1rem 0 .45rem; color: #dce6df; font-size: .85rem; font-weight: 650; }
label span { color: #75847b; font-weight: 400; }
input, textarea, select { width: 100%; border: 1px solid #3a4940; border-radius: 9px; background: #0e1311; color: #f2f5f3; padding: .8rem .9rem; font: inherit; outline: none; }
textarea { resize: vertical; min-height: 9rem; }
input:focus, textarea:focus, select:focus { border-color: #8cddb0; box-shadow: 0 0 0 3px rgba(140,221,176,.12); }
.form-row { display: grid; grid-template-columns: 1fr auto; gap: 1rem; align-items: end; }
button { border: 0; border-radius: 9px; background: #8cddb0; color: #08110c; padding: .82rem 1.15rem; font: inherit; font-weight: 750; cursor: pointer; min-height: 45px; }
button:hover { background: #a3e8c0; }
button:disabled { opacity: .55; cursor: wait; }
.status { min-height: 1.5em; color: #91a097; font-size: .82rem; margin: 1rem 0 0; }
.result { border-top: 1px solid #334038; margin-top: 1.25rem; padding-top: 1.25rem; }
.result-title { color: #8cddb0; font-weight: 700; margin: 0 0 .5rem; }
.result code { display: block; overflow-wrap: anywhere; background: #090c0b; border-radius: 8px; padding: .9rem; color: #d7f8e4; line-height: 1.5; user-select: all; }
.result p:last-child { color: #91a097; font-size: .8rem; }
.secondary { margin-top: .75rem; background: transparent; color: #b8c7bd; border: 1px solid #425348; }
footer { display: flex; justify-content: space-between; gap: 1rem; color: #75847b; font-size: .72rem; margin-top: 1.3rem; }
footer strong { color: #8cddb0; }
@media (max-width: 560px) { main { padding-top: 2.5rem; } .form-row { grid-template-columns: 1fr; } button { width: 100%; } footer { flex-direction: column; } }
@media (prefers-reduced-motion: no-preference) { .card { animation: enter .45s ease-out both; } @keyframes enter { from { opacity: 0; transform: translateY(8px); } } }