:root {
  --cream: #FFF3DC;
  --navy: #26305C;
  --gold: #D9A21B;
  --paper: #FFFBF2;
  --line: #E6D6B0;
  --muted: #4B5476;
  --err: #8A2B2B;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--cream); color: var(--navy);
  font-family: "Pretendard", "Noto Sans KR", "Malgun Gothic", system-ui, sans-serif;
  line-height: 1.6; font-size: 16px;
}
.skip { position: absolute; left: -999px; top: 0; background: var(--navy); color: var(--cream); padding: 10px 14px; z-index: 10; }
.skip:focus { left: 8px; top: 8px; }
.top { background: var(--navy); color: var(--cream); padding: 18px 16px 14px; }
.top h1 { margin: 0; font-size: 1.35rem; }
.top .sub { margin: 4px 0 0; font-size: .92rem; opacity: .95; }
.badge { display: inline-block; font-size: .72rem; border: 1px solid var(--gold); color: var(--gold); border-radius: 999px; padding: 1px 8px; vertical-align: middle; margin-left: 6px; }
.notice { margin: 12px 16px; padding: 12px 14px; background: var(--paper); border: 2px solid var(--gold); border-radius: var(--radius); font-size: .93rem; }
nav { padding: 0 8px; }
.tabs { display: flex; gap: 4px; overflow-x: auto; padding: 4px 8px; }
.tabs button {
  flex: 1 0 auto; min-height: 44px; padding: 8px 14px; background: transparent; color: var(--navy);
  border: 2px solid var(--navy); border-radius: 999px; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.tabs button[aria-selected="true"] { background: var(--navy); color: var(--cream); }
main { padding: 8px 16px 24px; max-width: 760px; margin: 0 auto; }
main:focus { outline: none; }
h2 { font-size: 1.15rem; margin: 12px 0 8px; }
h3 { font-size: 1rem; margin: 14px 0 6px; }
label { display: block; font-weight: 600; margin: 8px 0 4px; }
textarea, input[type="search"], select {
  width: 100%; font: inherit; color: var(--navy); background: #fff; border: 2px solid var(--navy); border-radius: 10px; padding: 10px 12px; min-height: 44px;
}
textarea { resize: vertical; }
.row { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
button { font: inherit; }
button.primary, button.ghost, .copy {
  min-height: 44px; padding: 8px 18px; border-radius: 10px; border: 2px solid var(--navy); cursor: pointer; font-weight: 700; color: var(--navy);
}
button.primary { background: var(--gold); }
button.ghost, .copy { background: transparent; }
button.danger { border-color: var(--err); color: var(--err); }
:focus-visible { outline: 3px solid var(--navy); outline-offset: 2px; box-shadow: 0 0 0 5px var(--gold); }
.tabs button:focus-visible { outline-offset: 0; }
.muted { color: var(--muted); font-size: .9rem; }
.card, .item, .box { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; margin: 10px 0; }
.item { border-left: 6px solid var(--navy); }
.item.hint { border-left: 6px dashed var(--gold); }
.tag { display: inline-block; font-size: .78rem; font-weight: 700; padding: 1px 8px; border-radius: 999px; border: 1.5px solid var(--navy); margin-right: 6px; }
.tag.err { background: var(--navy); color: var(--cream); }
.tag.hnt { background: var(--gold); color: var(--navy); }
.found { background: #fff; border: 1px dashed var(--navy); padding: 0 4px; border-radius: 4px; font-family: ui-monospace, Menlo, Consolas, monospace; word-break: break-word; }
.arrow { margin: 0 4px; }
.fix { font-weight: 700; font-family: ui-monospace, Menlo, Consolas, monospace; background: #FFE9A8; padding: 0 4px; border-radius: 4px; word-break: break-word; }
mark { background: #FFE9A8; color: var(--navy); border-bottom: 3px solid var(--navy); padding: 0 1px; }
mark.hint { border-bottom: 3px dashed var(--gold); background: #FFF0C2; }
.marked { white-space: pre-wrap; word-break: break-word; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
.summary { font-weight: 700; margin: 10px 0 4px; }
details.card summary { cursor: pointer; font-weight: 700; min-height: 44px; display: flex; align-items: center; }
details.card[open] summary { margin-bottom: 6px; }
.ex { margin: 6px 0; padding-left: 10px; border-left: 3px solid var(--gold); }
.ex .en { font-weight: 600; }
.ex .ko { color: var(--muted); font-size: .92rem; }
.wr { display: grid; gap: 4px; margin: 8px 0; }
.chk { display: flex; gap: 10px; align-items: flex-start; min-height: 44px; padding: 6px 0; font-weight: 400; margin: 0; }
.chk input { width: 24px; height: 24px; margin-top: 3px; accent-color: var(--navy); flex: none; }
.bar { height: 16px; background: #fff; border: 1px solid var(--navy); border-radius: 8px; overflow: hidden; }
.bar > span { display: block; height: 100%; background: var(--gold); border-right: 2px solid var(--navy); }
.statrow { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.stat { background: var(--paper); border: 1px solid var(--line); border-radius: 10px; padding: 10px; text-align: center; }
.stat b { display: block; font-size: 1.5rem; }
.catrow { display: grid; grid-template-columns: 7.5em 1fr 2.5em; gap: 8px; align-items: center; margin: 6px 0; font-size: .92rem; }
.empty { padding: 14px; text-align: center; background: var(--paper); border: 1px dashed var(--navy); border-radius: var(--radius); }
.count { font-size: .85rem; color: var(--muted); font-weight: 400; }
.done-badge { font-size: .8rem; margin-left: 6px; border: 1px solid var(--navy); border-radius: 999px; padding: 0 7px; background: #FFE9A8; }
footer { background: var(--navy); color: var(--cream); padding: 16px; text-align: center; font-size: .86rem; }
footer p { margin: 4px 0; }
footer .brand { font-weight: 800; letter-spacing: .08em; color: var(--gold); margin-top: 10px; font-size: .95rem; }
@media (min-width: 640px) { .statrow { grid-template-columns: repeat(4, 1fr); } }
@media (prefers-reduced-motion: no-preference) { .tabs button { transition: background .15s; } }