:root {
  color-scheme: light;
  --paper: #f4f5eb; --ink: #22251c; --muted: #64675c; --line: #d8dbcd;
  --yellow: #dada1e; --cream: #e9ecdf; --surface: #fcfcf7;
  --support: 14px; --body: 17px; --title: 21px; --meta: 12px;
  --danger: #a31414; --focus: #587323; --radius: 20px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: var(--paper); color: var(--ink); font: var(--body)/1.6 "Segoe UI", Arial, sans-serif; }
header { border-bottom: 1px solid var(--line); }
header > div { max-width: 1160px; margin: auto; padding: 20px 28px; display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
a { color: inherit; text-underline-offset: 4px; }
a:hover { text-decoration-thickness: 2px; }
.brand { font-size: var(--title); font-weight: 750; text-decoration: none; letter-spacing: -.5px; }
.header-label { border-left: 1px solid var(--line); padding-left: 18px; color: var(--muted); font-size: var(--support); }
.language-picker { width: auto; max-width: 100%; font-size: var(--support); }
main { max-width: 1160px; margin: 48px auto; padding: 0 28px; }
main.narrow { max-width: 820px; }
h1, h2, h3 { font-size: var(--title); line-height: 1.35; letter-spacing: -.35px; }
h1 { margin: 0 0 12px; } h2, h3 { margin: 0 0 16px; }
p { margin: 0 0 18px; }
.muted, small, .helper { color: var(--muted); font-size: var(--support); }
.eyebrow { font-size: var(--meta); text-transform: uppercase; letter-spacing: .12em; font-weight: 700; color: var(--muted); margin-bottom: 12px; }
.page-heading { margin-bottom: 30px; max-width: 720px; }
.public-layout { display: grid; grid-template-columns: minmax(240px, .85fr) minmax(0, 1.4fr); gap: 48px; align-items: start; }
.intro { padding-top: 12px; }
.steps { list-style: none; counter-reset: step; padding: 0; margin: 30px 0; }
.steps li { counter-increment: step; display: grid; grid-template-columns: 32px 1fr; gap: 12px; margin: 20px 0; font-size: var(--support); }
.steps li::before { content: counter(step, decimal-leading-zero); background: var(--cream); border-radius: 50%; width: 32px; height: 32px; display: grid; place-items: center; font-size: var(--meta); font-weight: 700; }
.steps strong { display: block; margin-bottom: 2px; }.steps span { color: var(--muted); }
.card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); margin: 0 0 24px; }
.card-heading { padding-bottom: 20px; margin-bottom: 22px; border-bottom: 1px solid var(--line); }.card-heading h2 { margin-bottom: 6px; }.card-heading p { margin: 0; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }.row > * { min-width: 0; }.spread { justify-content: space-between; }
.grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; }
label { display: block; font-size: var(--support); font-weight: 650; margin: 20px 0 7px; }
input, select, textarea, button { font: inherit; }
input, select, textarea { width: 100%; border: 1px solid #929783; border-radius: 10px; padding: 11px 13px; background: var(--surface); color: var(--ink); min-height: 46px; }
textarea { resize: vertical; min-height: 140px; }input:hover,select:hover,textarea:hover { border-color: var(--ink); }
.helper { margin: 7px 0 0; }.field-meta { display: flex; justify-content: space-between; gap: 16px; font-size: var(--meta); color: var(--muted); margin: 6px 0 22px; }
button, .button { display: inline-flex; justify-content: center; align-items: center; min-height: 42px; border: 1px solid var(--line); border-radius: 22px; padding: 10px 18px; background: var(--cream); color: var(--ink); cursor: pointer; text-decoration: none; font-size: var(--support); font-weight: 600; line-height: 1.4; }
button.primary, .button.primary { background: var(--yellow); border-color: transparent; font-weight: 600; }
button:hover, .button:hover { background: var(--line); }button.primary:hover,.button.primary:hover { background: #e5e548; }button:active { transform: translateY(1px); }
button:disabled { opacity: .5; cursor: not-allowed; transform: none; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
form > button { margin-top: 22px; }.actions { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 24px; }
.message, .notice { padding: 16px 18px; border: 1px solid var(--line); border-left: 4px solid var(--yellow); border-radius: 10px; background: var(--cream); white-space: pre-wrap; overflow-wrap: anywhere; font-size: var(--support); }
.error, .notice { border-left-color: var(--danger); }.error { color: var(--danger); }.receipt { font-weight: 650; font-size: var(--title); padding: 16px; border: 1px dashed #929783; border-radius: 10px; overflow-wrap: anywhere; user-select: all; }
#receipt { border-top: 4px solid var(--yellow); }#copy-result:empty { display: none; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: var(--support); }th,td { text-align: left; vertical-align: middle; padding: 16px; border-bottom: 1px solid var(--line); }th { font-weight: 650; background: var(--cream); white-space: nowrap; }tbody tr:last-child td { border-bottom: 0; }tbody tr:hover { background: var(--paper); }td button { white-space: nowrap; }td:first-child { font-weight: 600; }
pre { font: inherit; white-space: pre-wrap; overflow-wrap: anywhere; }
.badge { display: inline-block; border-radius: 20px; padding: 4px 10px; background: var(--cream); font-size: var(--meta); font-weight: 650; white-space: nowrap; }.badge.new { background: #f1efb8; }.badge.in_progress { background: #dfe8f1; }.badge.waiting { background: #f2e3cf; }.badge.closed { background: #e0eaca; }
.overdue { color: var(--danger); font-weight: 650; }.empty { padding: 48px 24px; text-align: center; color: var(--muted); }
footer { max-width: 1104px; margin: 48px auto 0; padding: 24px 28px; border-top: 1px solid var(--line); font-size: var(--support); color: var(--muted); }
#detail { scroll-margin-top: 24px; padding: 28px; margin-top: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }#detail h3 { margin-top: 32px; }#detail-message { background: var(--paper); margin-top: 24px; }#detail-meta { overflow-wrap: anywhere; }
.toolbar { margin: 24px 0 20px; }.toolbar label { margin: 0; }.toolbar select { width: auto; }.pagination { justify-content: flex-end; padding: 16px 0; }
#login { max-width: 480px; margin: 40px auto; }#challenge { margin-top: 20px; min-height: 65px; }#fallback { overflow-wrap: anywhere; }
.stats { display: grid; grid-template-columns: repeat(4,minmax(0,1fr)); gap: 12px; margin: 24px 0; }.stat { padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }.stat strong { display: block; font-size: var(--title); }.stat span { font-size: var(--support); color: var(--muted); }
.notice-layout { display: grid; grid-template-columns: 220px minmax(0,1fr); gap: 48px; align-items: start; }.section-nav { position: sticky; top: 24px; display: grid; gap: 8px; font-size: var(--support); }.section-nav a { padding: 10px 12px; border-radius: 10px; text-decoration: none; }.section-nav a:hover { background: var(--cream); }.prose h2 { border-top: 1px solid var(--line); padding-top: 28px; margin-top: 32px; scroll-margin-top: 24px; }.prose { min-width: 0; }.prose p { overflow-wrap: anywhere; }
.skip-link { position: absolute; top: -100px; left: 16px; padding: 10px 18px; background: var(--ink); color: var(--paper); z-index: 10; }.skip-link:focus { top: 12px; }
@media(max-width:850px) { .public-layout { gap: 28px; grid-template-columns: 1fr; }.intro { max-width: 620px; }.steps { display: none; }.notice-layout { grid-template-columns: 1fr; gap: 24px; }.section-nav { position: static; border-bottom: 1px solid var(--line); padding-bottom: 20px; }.stats { grid-template-columns: repeat(2,minmax(0,1fr)); } }
@media(max-width:540px) { main { margin: 28px auto; padding: 0 16px; }header > div { padding: 16px; }.header-label { display: none; }.grid { grid-template-columns: 1fr; gap: 0; }.card,#detail { padding: 20px; }.toolbar > .row { width: 100%; }.toolbar select { flex: 1; min-width: 0; }.stats { gap: 8px; }.stat { padding: 14px; }th,td { padding: 12px; }.actions > button { flex: 1; }#submit { width: 100%; }footer { padding: 22px 16px; } }
@media(prefers-reduced-motion:no-preference) { button,.button,input,select,textarea { transition: background .18s,border-color .18s; } }