:root { font-family: system-ui, sans-serif; color: #1c2024; background: #fff; line-height: 1.5; }
* { box-sizing: border-box; }
body { margin: 0; }
main { width: min(100% - 2rem, 48rem); margin: 3rem auto; }
h1, h2 { line-height: 1.2; }
h1 { font-size: 2rem; }
h2 { margin-top: 2rem; }
label, strong { display: block; font-weight: 700; }
label + p { margin: .3rem 0 .6rem; }
textarea, input, button { font: inherit; }
textarea, input { width: 100%; padding: .6rem; border: 1px solid #555; border-radius: .2rem; }
textarea { display: block; resize: vertical; }
button { margin-top: .8rem; padding: .6rem 1rem; border: 1px solid #1c2024; border-radius: .2rem; color: white; background: #1c2024; cursor: pointer; }
button:disabled { opacity: .6; cursor: wait; }
:focus-visible { outline: 3px solid #1565c0; outline-offset: 3px; }
.error { color: #a21616; }
.recipient { font-size: 1.7rem; font-weight: 700; overflow-wrap: anywhere; }
.links { list-style: none; padding: 0; }
.links li { margin: 1.5rem 0; }
.links input { margin-top: .4rem; }
@media (max-width: 35rem) { main { margin: 2rem auto; } h1 { font-size: 1.7rem; } }