@charset "UTF-8";

:root {
  --paper: #ffffff;
  --panel: #f7f7f5;
  --panel-2: #fafaf9;
  --ink: #171717;
  --soft: #4d4d4d;
  --muted: #777777;
  --line: #e7e7e3;
  --line-strong: #171717;
  --mono: "SFMono-Regular", "Roboto Mono", "Noto Sans Mono", monospace;
  --sans: "SUIT", "Pretendard", "Noto Sans KR", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .35; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
img { display: block; max-width: 100%; }

.topbar { border-bottom: 1px solid var(--line); }
.topbar-inner {
  width: min(1480px, calc(100% - 64px));
  min-height: 88px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 700; letter-spacing: -.03em; }
.brand-mark {
  width: 34px; height: 34px; display: grid; place-items: center;
  border: 1px solid var(--line-strong); border-radius: 50%;
  font-family: var(--mono); font-size: 12px;
}
.bank-summary { display: flex; align-items: baseline; gap: 16px; margin: 0; color: var(--muted); font-size: 13px; }
.bank-summary strong { color: var(--ink); font-size: 28px; letter-spacing: -.04em; }

.viewer-layout {
  width: min(1480px, calc(100% - 64px));
  margin: 40px auto 80px;
  display: grid;
  grid-template-columns: 380px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}
.list-panel {
  position: sticky;
  top: 24px;
  min-height: 0;
  max-height: calc(100dvh - 48px);
  overflow: auto;
  padding-right: 12px;
  scrollbar-width: thin;
}
.filter-panel { display: grid; gap: 16px; padding-bottom: 24px; border-bottom: 1px solid var(--line-strong); }
.search-field, .principle-field { display: grid; gap: 7px; font-size: 12px; font-weight: 600; color: var(--muted); }
.search-field input, .principle-field select {
  width: 100%; min-height: 46px; padding: 0 14px;
  border: 1px solid var(--line); border-radius: 5px; background: var(--paper);
  font-size: 14px;
}
.search-field input::placeholder { color: #999; }
.type-filters { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.type-filters button {
  min-height: 42px; padding: 0 10px; border: 1px solid var(--line); border-radius: 5px; background: var(--paper);
  font-size: 13px; transition: background-color .18s ease, border-color .18s ease;
}
.type-filters button span { color: var(--muted); font-family: var(--mono); font-size: 11px; }
.type-filters button:hover { background: var(--panel); }
.type-filters button[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.type-filters button[aria-pressed="true"] span { color: var(--paper); }
.list-status { display: flex; justify-content: space-between; gap: 12px; padding: 16px 0 12px; color: var(--muted); font-size: 12px; }
#resultCount { font-weight: 600; color: var(--ink); }
#pageLabel { font-family: var(--mono); }
.question-list { border-top: 1px solid var(--line); }
.question-row {
  width: 100%; display: grid; gap: 8px; padding: 18px 4px;
  border: 0; border-bottom: 1px solid var(--line); background: transparent; text-align: left;
  transition: background-color .16s ease;
}
.question-row:hover { background: var(--panel-2); }
.question-row[aria-current="true"] { background: var(--panel); box-shadow: inset 2px 0 0 var(--ink); padding-left: 12px; }
.question-row-top { display: flex; align-items: center; gap: 10px; }
.question-id { font-family: var(--mono); font-size: 13px; font-weight: 600; }
.question-type { padding: 2px 6px; border: 1px solid var(--line); border-radius: 3px; color: var(--muted); font-size: 10px; }
.question-principle { margin-left: auto; color: var(--muted); font-family: var(--mono); font-size: 11px; }
.question-snippet { margin: 0; color: var(--soft); font-size: 13px; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.empty-list { padding: 48px 0; color: var(--muted); text-align: center; }
.pagination { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding-top: 16px; }
.pagination button { min-height: 40px; border: 1px solid var(--line); border-radius: 4px; background: var(--paper); font-size: 13px; }
.pagination button:hover:not(:disabled) { background: var(--panel); }

.detail-panel { min-width: 0; max-width: 940px; padding: 8px 0 48px; }
.detail-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 20px; }
.detail-kicker span { padding: 4px 8px; border: 1px solid var(--line); border-radius: 3px; color: var(--muted); font-family: var(--mono); font-size: 11px; }
.detail-kicker span:first-child { color: var(--ink); border-color: var(--line-strong); }
.detail-title { margin: 0; font-size: clamp(40px, 5vw, 64px); line-height: 1; letter-spacing: -.055em; }
.detail-objective { margin: 18px 0 0; max-width: 760px; color: var(--soft); font-size: 16px; }
.prompt-card { margin-top: 36px; padding-top: 32px; border-top: 1px solid var(--line-strong); }
.prompt-card h1, .prompt-card h2, .prompt-card h3, .prompt-card h4 { margin: 32px 0 12px; line-height: 1.3; letter-spacing: -.02em; }
.prompt-card h1 { font-size: 24px; } .prompt-card h2 { font-size: 22px; } .prompt-card h3 { font-size: 20px; } .prompt-card h4 { font-size: 18px; }
.prompt-card p { margin: 12px 0; }
.prompt-card ul, .prompt-card ol { margin: 12px 0; padding-left: 24px; }
.prompt-card li { margin: 5px 0; }
.prompt-card hr { margin: 28px 0; border: 0; border-top: 1px solid var(--line); }
.prompt-card blockquote { margin: 16px 0; padding: 12px 18px; border-left: 2px solid var(--line-strong); background: var(--panel-2); color: var(--soft); }
.prompt-card code { padding: 2px 5px; border-radius: 3px; background: var(--panel); font-family: var(--mono); font-size: .9em; }
.prompt-card pre { margin: 20px 0; padding: 20px; overflow: auto; border: 1px solid var(--line); border-radius: 6px; background: var(--panel); }
.prompt-card pre code { padding: 0; background: transparent; font-size: 13px; line-height: 1.65; }
.table-wrap { margin: 20px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 6px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--panel); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.prompt-card figure { margin: 24px 0; }
.prompt-card figure img { width: 100%; max-height: 620px; object-fit: contain; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); }
.prompt-card figcaption { margin-top: 8px; color: var(--muted); font-size: 12px; }
.options-grid { display: grid; gap: 12px; margin-top: 28px; }
.option-card { display: grid; grid-template-columns: 36px 1fr; gap: 14px; align-items: start; padding: 16px; border: 1px solid var(--line); border-radius: 6px; }
.option-key { width: 32px; height: 32px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; font-family: var(--mono); font-size: 12px; font-weight: 600; }
.option-card p { margin: 0; }
.meta-section { margin-top: 28px; }
.meta-section h2 { margin: 0 0 12px; font-size: 14px; letter-spacing: .02em; }
.meta-list { margin: 0; padding: 0; list-style: none; color: var(--soft); }
.meta-list li { margin: 6px 0; }
.constraint-list { display: flex; flex-wrap: wrap; gap: 8px; }
.constraint-list li { padding: 6px 10px; border: 1px solid var(--line); border-radius: 4px; font-size: 13px; }
.submission-note { margin-top: 24px; padding: 14px 16px; background: var(--panel); color: var(--soft); font-size: 14px; }
.solution-details { margin-top: 40px; border-top: 1px solid var(--line-strong); }
.solution-details summary { padding: 20px 0; cursor: pointer; font-weight: 700; list-style: none; }
.solution-details summary::-webkit-details-marker { display: none; }
.solution-details summary::after { content: "+"; float: right; font-family: var(--mono); font-size: 20px; font-weight: 400; }
.solution-details[open] summary::after { content: "−"; }
.solution-body { padding: 0 0 32px; }
.solution-body h2 { margin: 24px 0 12px; font-size: 22px; letter-spacing: -.02em; }
.solution-body h3 { margin: 28px 0 12px; font-size: 17px; }
.answer-badge { display: inline-flex; align-items: center; gap: 12px; margin-top: 4px; padding: 12px 18px; background: var(--ink); color: var(--paper); border-radius: 4px; }
.answer-badge strong { font-family: var(--mono); font-size: 24px; }
.rubric-table td:first-child { width: 24%; font-weight: 600; }
.rubric-table td:nth-child(2) { width: 70px; text-align: center; }
.viewer-footer { width: min(1480px, calc(100% - 64px)); margin: 0 auto; padding: 28px 0 40px; border-top: 1px solid var(--line); display: flex; justify-content: space-between; gap: 16px; color: var(--muted); font-size: 12px; }

@media (max-width: 1080px) {
  .viewer-layout { grid-template-columns: 320px minmax(0, 1fr); gap: 32px; }
}
@media (max-width: 820px) {
  .topbar-inner, .viewer-layout, .viewer-footer { width: min(100% - 40px, 1480px); }
  .topbar-inner { min-height: 76px; }
  .bank-summary span { display: none; }
  .viewer-layout { grid-template-columns: 1fr; margin-top: 24px; gap: 40px; }
  .list-panel { position: static; max-height: none; padding-right: 0; }
  .question-list { max-height: 480px; overflow: auto; }
  .detail-panel { padding-top: 0; }
  .viewer-footer { display: block; }
  .viewer-footer span { display: block; margin-top: 6px; }
}
@media (max-width: 480px) {
  .type-filters { grid-template-columns: 1fr; }
  .type-filters button { min-height: 38px; }
  .detail-title { font-size: 42px; }
  .option-card { grid-template-columns: 30px 1fr; padding: 12px; }
  .option-key { width: 28px; height: 28px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition-duration: .001ms !important; }
}