:root { color-scheme: light; font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: #18353c; background: #eef5f5; }
* { box-sizing: border-box; }
body { margin: 0; }
main { max-width: 820px; margin: 0 auto; padding: 2rem 1.25rem 3rem; }
header { border-top: 6px solid #00889c; padding-top: 1.5rem; }
h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); line-height: 1.15; margin: .6rem 0 1rem; }
h2 { font-size: 1.3rem; margin-top: 0; }
p, label { line-height: 1.6; }
.eyebrow { font-weight: 700; color: #006071; }
.card { background: #fff; border: 1px solid #c4d9dc; border-radius: .75rem; margin: 1.5rem 0; padding: 1.5rem; }
fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.fields { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
label { display: block; font-weight: 600; }
input:not([type=checkbox]) { display: block; width: 100%; border: 1px solid #667f85; border-radius: .3rem; padding: .7rem; margin-top: .4rem; font: inherit; color: inherit; background: #fff; }
input[type=checkbox] { width: 1.2rem; height: 1.2rem; vertical-align: middle; margin-right: .5rem; accent-color: #006778; }
.origins { margin: 1.5rem 0; }
.origins legend { font-weight: 700; margin-bottom: .5rem; }
.origins label { padding: .3rem 0; font-weight: 400; }
.hint { display: block; font-size: .9rem; font-weight: 400; color: #435e65; margin: .25rem 0; }
button { color: #fff; background: #006778; border: 2px solid #006778; border-radius: .4rem; font: inherit; font-weight: 700; cursor: pointer; padding: .75rem 1rem; margin-top: 1rem; }
button:hover:not(:disabled) { background: #004b59; }
button:disabled { opacity: .6; cursor: not-allowed; }
button.secondary { color: #006071; background: #fff; }
a { color: #005b6d; font-weight: 700; }
:focus-visible { outline: 3px solid #c55700; outline-offset: 3px; }
.confirmation { margin-top: 1rem; font-weight: 400; }
#message { padding: 1rem; border-left: 4px solid #00889c; background: #fff; }
#message.error { border-color: #a62d21; }
footer { margin-top: 2rem; font-size: .9rem; color: #435e65; }
[hidden] { display: none !important; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
@media (max-width: 540px) { .fields { grid-template-columns: 1fr; } main { padding: 1rem .8rem 2rem; } .card { padding: 1rem; } button { width: 100%; } }