:root { color-scheme: light; font-family: system-ui, -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif; color: #17314a; background: #f0f5f7; }
* { box-sizing: border-box; }
body { margin: 0; }
main { width: min(100% - 2rem, 720px); margin: 2.5rem auto; }
header { margin-bottom: 1.6rem; }
.eyebrow { color: #087f91; font-size: .85rem; font-weight: 700; letter-spacing: .08em; }
h1 { font-size: clamp(1.8rem, 5vw, 2.5rem); line-height: 1.3; margin: .2rem 0 .7rem; }
h2 { font-size: 1.4rem; margin: 0 0 1.2rem; }
p { line-height: 1.6; }
.panel { background: white; border: 1px solid #d4e1e7; border-radius: 12px; padding: clamp(1.1rem, 4vw, 2rem); box-shadow: 0 3px 16px #17314a0b; }
form { display: grid; gap: .65rem; }
label { font-weight: 700; margin-top: .45rem; }
input { font: inherit; width: 100%; border: 1px solid #a9c0ca; border-radius: 6px; padding: .7rem; background: white; }
input[type="file"] { padding: .6rem; }
input:focus-visible, button:focus-visible, a:focus-visible { outline: 3px solid #f4aa32; outline-offset: 2px; }
button { font: inherit; font-weight: 700; border: 0; border-radius: 7px; padding: .8rem 1.2rem; color: white; background: #087f91; cursor: pointer; margin-top: .8rem; }
button:hover { background: #056778; }
button:disabled { cursor: wait; opacity: .65; }
button.secondary { background: #dce9ed; color: #17314a; margin: 0; font-size: .9rem; }
a { color: #086f86; overflow-wrap: anywhere; }
.row { display: flex; align-items: start; justify-content: space-between; gap: 1rem; }
.hint { font-size: .9rem; color: #526a79; margin: .8rem 0; }
.or { text-align: center; color: #526a79; margin: 0; }
code { background: #edf3f5; padding: .1rem .3rem; border-radius: 3px; }
#message { min-height: 1.6rem; font-weight: 700; }
#message.error { color: #a02a2a; }
#message.success { color: #087044; }
.footer { text-align: center; margin: 1.4rem 0; }