:root {
  --bg: #fbfaf8; --fg: #1a1a18; --muted: #6b6a65;
  --line: #e2dfd8; --accent: #1c5d99; --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #17171a; --fg: #eceae5; --muted: #9a978f;
    --line: #2e2e33; --accent: #7cb0e0; --card: #1e1e22;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 44rem; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.top {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  max-width: 44rem; margin: 0 auto; padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 650; letter-spacing: -0.01em; text-decoration: none; color: var(--fg); }
a { color: var(--accent); }
nav a { margin-left: 0.9rem; text-decoration: none; }
.pitch h1 { font-size: 1.6rem; letter-spacing: -0.02em; margin: 1.5rem 0 0.5rem; }
.pitch p { color: var(--muted); max-width: 34rem; }
.korent-list { list-style: none; padding: 0; margin: 2rem 0 0; }
.korent-list li { padding: 0.9rem 0; border-top: 1px solid var(--line); }
.korent-list a { text-decoration: none; font-weight: 500; }
.by { display: block; color: var(--muted); font-size: 0.85rem; }
.empty { color: var(--muted); }
.foot {
  max-width: 44rem; margin: 0 auto; padding: 2rem 1.25rem;
  color: var(--muted); font-size: 0.85rem; border-top: 1px solid var(--line);
}

/* ---------------------------------------------------------------- shared */
.meta { color: var(--muted); font-size: 0.85rem; }
.note { margin: 0.4rem 0; }
.src { margin: 0.3rem 0 0; font-size: 0.85rem; }
.src a { color: var(--muted); }
.opt { color: var(--muted); font-weight: 400; font-size: 0.85rem; }
.hint { display: block; color: var(--muted); font-size: 0.8rem; margin-top: 0.25rem; }
.err { color: #b3261e; margin-top: 0.75rem; }
.page-h1 { font-size: 1.5rem; letter-spacing: -0.02em; }
.sec { font-size: 1rem; text-transform: uppercase; letter-spacing: 0.06em;
       color: var(--muted); margin: 2.5rem 0 0.75rem; font-weight: 600; }
blockquote {
  margin: 0.5rem 0; padding: 0.4rem 0 0.4rem 0.9rem;
  border-left: 3px solid var(--line); color: var(--fg); font-style: italic;
}

.btn {
  display: inline-block; margin-top: 1rem; padding: 0.55rem 1.1rem;
  background: var(--accent); color: #fff; border: 0; border-radius: 6px;
  font: inherit; font-weight: 500; cursor: pointer; text-decoration: none;
}
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.btn.danger { background: transparent; color: #b3261e; border: 1px solid #b3261e; margin-left: 0.5rem; }

.badge {
  display: inline-block; padding: 0.1rem 0.45rem; border-radius: 4px;
  border: 1px solid var(--line); color: var(--muted);
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em;
}
.badge.danger { color: #b3261e; border-color: #b3261e; }

/* ----------------------------------------------------------------- forms */
.form label { display: block; margin: 1.1rem 0; font-weight: 500; }
.form label.inline { display: inline-flex; align-items: center; gap: 0.4rem; margin-right: 1rem; font-weight: 400; }
.form input[type=text], .form input[type=url], .form input[type=date],
.form input:not([type]), .form textarea {
  display: block; width: 100%; margin-top: 0.35rem; padding: 0.5rem 0.6rem;
  background: var(--card); color: var(--fg);
  border: 1px solid var(--line); border-radius: 6px; font: inherit;
}
.form input[type=range] { width: 100%; margin-top: 0.5rem; }
.form fieldset { border: 0; padding: 0; margin: 1.1rem 0; }
.form legend { font-weight: 500; padding: 0; }
.logout { margin-top: 2.5rem; }

/* ---------------------------------------------------------- korent page */
.claim { font-size: 1.45rem; line-height: 1.35; letter-spacing: -0.015em; margin: 1.25rem 0 0.5rem; }
.details { color: var(--fg); }
.counts { color: var(--muted); font-size: 0.9rem; margin-top: 1rem;
          padding-top: 0.75rem; border-top: 1px solid var(--line); }
.yours { margin: 1.25rem 0; padding: 1rem; background: var(--card);
         border: 1px solid var(--line); border-radius: 8px; }
.yours label { display: block; margin: 0.6rem 0; }
.yours textarea, .yours input[type=url] {
  display: block; width: 100%; margin-top: 0.35rem; padding: 0.5rem 0.6rem;
  background: var(--bg); color: var(--fg); border: 1px solid var(--line);
  border-radius: 6px; font: inherit;
}
.yours input[type=range] { width: 100%; }
.history { margin: 1rem 0; }
.history summary { cursor: pointer; color: var(--muted); font-size: 0.9rem; }

.holders { list-style: none; padding: 0; margin: 0; }
.holder { padding: 0.9rem 0; border-top: 1px solid var(--line); }
.holder-head { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.holder-head a { text-decoration: none; font-weight: 500; }
.holder .conf { font-variant-numeric: tabular-nums; font-weight: 600; }
.holder.archive { opacity: 0.95; }
.disclaimer {
  color: var(--muted); font-size: 0.82rem; line-height: 1.5;
  padding: 0.6rem 0.75rem; border: 1px dashed var(--line); border-radius: 6px;
}

/* -------------------------------------------------------------- profile */
.profile h1 { font-size: 1.5rem; letter-spacing: -0.02em; margin-bottom: 0.25rem; }
.tabs { margin-top: 1.25rem; border-bottom: 1px solid var(--line); display: flex; gap: 1.25rem; }
.tabs a { text-decoration: none; padding-bottom: 0.5rem; color: var(--muted); }
.tabs a.on { color: var(--fg); border-bottom: 2px solid var(--accent); font-weight: 500; }

.changes { list-style: none; padding: 0; margin: 1.5rem 0 0; }
.changes li { padding: 1rem 0; border-top: 1px solid var(--line); }
.changes li a { text-decoration: none; font-weight: 500; }
.delta { font-variant-numeric: tabular-nums; margin: 0.4rem 0; }
.delta span { color: var(--muted); text-decoration: line-through; }
.changes li.turn .delta strong { color: #b3261e; }

.korent-list .meta { display: block; margin-top: 0.2rem; }