:root {
  --bg: #f3f4f8;
  --panel: #ffffff;
  --line: rgba(18, 24, 38, 0.10);
  --text: #1f2430;
  --muted: #5f6b87;
  --cyan: #2f6f8f;
  --purple: #6f5fa8;
  --pink: #983462;
  --focus: #7c3aed;
}

* { box-sizing: border-box; }

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Pretendard", sans-serif;
  line-height: 1.5;
  color: var(--text);
  background: var(--bg);
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--cyan);
  text-decoration-line: underline;
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.16em;
}

a:hover {
  color: var(--pink);
  text-decoration-thickness: 0.15em;
}

a:focus-visible,
summary:focus-visible {
  border-radius: 2px;
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 10;
  min-height: 44px;
  padding: 0.7rem 1rem;
  color: #ffffff;
  background: var(--text);
  border-radius: 2px;
  transform: translateY(calc(-100% - 1rem));
}

.skip-link:focus {
  color: #ffffff;
  transform: translateY(0);
}

.background {
  position: fixed;
  inset: 0;
  background: #eef1f5;
  z-index: 0;
  pointer-events: none;
}

.shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.card {
  width: min(960px, 100%);
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
  box-shadow: 0 2px 8px rgba(31, 36, 48, 0.04);
}

.hero {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}

.eyebrow {
  margin: 0 0 0.45rem;
  color: var(--cyan);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-family: "D2Coding", "Elice Digital BAEUM", "Elice Digital Coding", "Nanum Gothic Coding", "Courier New", monospace;
  font-size: clamp(1.9rem, 3vw, 2.6rem);
  line-height: 1.1;
}

.page-title {
  margin: 0 0 1.25rem;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 0.9rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 2px;
  background: #ffffff;
  box-shadow: none;
}

.page-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--muted);
  padding: 0.5rem 0.6rem;
  font-family: "Pretendard", sans-serif;
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.page-nav a:hover {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 0.15em;
  text-underline-offset: 0.28em;
}

.page-nav a[aria-current="page"] {
  color: var(--cyan);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 0.15em;
  text-underline-offset: 0.28em;
}

.page-body,
.content-grid,
.content-card,
.pub-list,
.pub-item {
  min-width: 0;
}

.page-body,
.page-body a,
.content-card,
.pub-item {
  overflow-wrap: anywhere;
}

.content-card,
.pub-item {
  background: #f7f8fb !important;
}

.profile-photo {
  width: min(299px, 100%);
}

.content {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.content img {
  width: 100%;
  border-radius: 2px;
  border: 1px solid rgba(31,36,48,0.08);
  box-shadow: 0 2px 6px rgba(31,36,48,0.04);
}

.content p {
  color: var(--text);
  line-height: 1.85;
  margin: 0 0 1rem;
}

.content ul {
  list-style: none;
  padding-left: 1rem;
  margin: 0 0 1rem;
}

.content li {
  position: relative;
  margin: 0.55rem 0;
  padding-left: 0.25rem;
  color: var(--text);
  line-height: 1.75;
}

.content li::before {
  content: "•";
  position: absolute;
  left: -0.9rem;
  top: 0;
  color: #3b82f6;
  font-weight: 700;
  line-height: 1.75;
}

.quick-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1rem;
}

.quick-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 0.85rem;
  border-radius: 2px;
  border: 1px solid #687386;
  color: var(--cyan);
  text-decoration: none;
  background: #ffffff;
}

.quick-links a:hover {
  color: var(--pink);
  border-color: var(--pink);
  text-decoration: underline;
}

.content a {
  color: var(--cyan);
}

.content a:hover {
  color: var(--pink);
}

summary {
  min-height: 44px;
  padding: 0.6rem 0.25rem;
  color: var(--cyan);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 0.1em;
  text-underline-offset: 0.16em;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media (max-width: 760px) {
  .shell { padding: 0.75rem; }
  .card { padding: 0.9rem; }
  .hero { flex-direction: column; align-items: flex-start; }
  .page-nav { gap: 0.25rem; padding: 0.35rem; }
  .content { grid-template-columns: 1fr; }
  .content img { max-width: 220px; }
}