:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #5f6879;
  --paper: #ffffff;
  --canvas: #f3f6f9;
  --brand: #0c5f55;
  --brand-dark: #08483f;
  --line: #d9e0e7;
  --warning: #8a4b08;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--ink); line-height: 1.55; }
a { color: var(--brand-dark); }
.shell { width: min(920px, calc(100% - 32px)); margin: 0 auto; }
header { background: #102b2a; color: white; padding: 18px 0; }
header a { color: white; text-decoration: none; font-weight: 750; letter-spacing: .01em; }
main { padding: 44px 0 72px; }
.hero { display: grid; gap: 14px; margin-bottom: 28px; }
.eyebrow { color: var(--brand); font-weight: 750; text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; }
h1, h2 { line-height: 1.14; margin: 0; }
h1 { font-size: clamp(2rem, 5vw, 3.25rem); max-width: 18ch; }
h2 { font-size: 1.35rem; }
p { margin: 0; }
.lede { color: var(--muted); font-size: 1.08rem; max-width: 68ch; }
.card { background: var(--paper); border: 1px solid var(--line); border-radius: 18px; padding: 26px; box-shadow: 0 8px 30px rgba(23,32,51,.06); margin-top: 20px; }
.stack { display: grid; gap: 18px; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
label { display: grid; gap: 7px; font-weight: 680; }
input, button { font: inherit; }
input[type="text"], input[type="email"], input[type="password"], input[type="file"] { width: 100%; border: 1px solid #aeb8c5; border-radius: 10px; padding: 12px 13px; background: white; color: var(--ink); }
input:focus, button:focus, a:focus { outline: 3px solid #78c7bc; outline-offset: 2px; }
.check { grid-template-columns: 22px 1fr; align-items: start; font-weight: 500; }
.check input { width: 19px; height: 19px; margin-top: 3px; }
button, .button { display: inline-flex; justify-content: center; border: 0; border-radius: 10px; padding: 12px 18px; background: var(--brand); color: white; font-weight: 740; text-decoration: none; cursor: pointer; }
button:hover, .button:hover { background: var(--brand-dark); }
.meta { display: grid; gap: 10px; margin: 0; }
.meta div { display: grid; grid-template-columns: minmax(130px, .6fr) 1.4fr; gap: 16px; border-bottom: 1px solid var(--line); padding-bottom: 10px; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; overflow-wrap: anywhere; }
.hash { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .87rem; overflow-wrap: anywhere; }
.notice { border-left: 4px solid #d98b28; padding: 14px 16px; background: #fff7e8; color: #57330d; }
.success { border-left-color: var(--brand); background: #eaf8f4; color: #123f39; }
.error { border-left-color: #b42318; background: #fff0ee; color: #69140e; }
.list { padding: 0; margin: 0; list-style: none; display: grid; gap: 12px; }
.list li { border: 1px solid var(--line); border-radius: 12px; padding: 14px; }
.small { color: var(--muted); font-size: .9rem; }
.login-card { max-width: 520px; }
footer { padding: 28px 0 48px; color: var(--muted); font-size: .88rem; }
@media (max-width: 560px) { .meta div { grid-template-columns: 1fr; gap: 2px; } .card { padding: 20px; } }