:root {
  --font:
    "Pretendard Variable", "Apple SD Gothic Neo", "Malgun Gothic",
    sans-serif;
  --resume-body: 0.92rem;
  --resume-subtitle: 0.9rem;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f1419;
  --text: #e8eaed;
  --muted: #9aa5b1;
  --link: #7eb8f0;
  --link-hover: #a8d4ff;
  --accent: #fafcff;
  --accent-soft: rgba(69, 212, 214, 0.14);
  --border: rgba(255, 255, 255, 0.08);
  --th-bg: rgba(255, 255, 255, 0.04);
}

html[data-theme="light"] {
  color-scheme: light;
  --bg: #f2f5f9;
  --text: #141a21;
  --muted: #556070;
  --link: #1567c4;
  --link-hover: #0e5199;
  --accent: #153348;
  --accent-soft: rgba(21, 51, 72, 0.1);
  --border: rgba(0, 0, 0, 0.1);
  --th-bg: rgba(0, 0, 0, 0.05);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  cursor: default;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
  font-size: 16px;
  min-height: 100vh;
}

a {
  color: var(--link);
  text-decoration: none;
}

a:hover {
  color: var(--link-hover);
  text-decoration: underline;
}

.page {
  max-width: 760px;
  margin: 0 auto;
  padding: 3rem 1.5rem 4rem;
}

header {
  margin-bottom: 2.5rem;
}

.masthead {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem 1rem;
  margin-bottom: 0.75rem;
}

.theme-picker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 0.75rem;
}

.theme-picker__switch {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.theme-picker__btn {
  font: inherit;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.35rem;
  height: 2.35rem;
  padding: 0;
  border: none;
  background: transparent;
  color: var(--muted);
  cursor: pointer;
  transition:
    background 0.15s ease,
    color 0.15s ease;
}

.theme-picker__btn svg.theme-picker__icon {
  flex-shrink: 0;
  pointer-events: none;
  display: block;
}

.theme-picker__btn:hover {
  color: var(--text);
  background: var(--accent-soft);
}

.theme-picker__btn[aria-pressed="true"] {
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.eyebrow {
  display: inline-block;
  margin-bottom: 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.lead {
  color: var(--muted);
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
}

.contact {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
  color: var(--muted);
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.1rem;
}

nav a {
  font-size: 0.88rem;
  color: var(--muted);
}

nav a:hover {
  color: var(--link-hover);
}

.principles {
  margin-bottom: 1.5rem;
}

.principles-list,
ul.list-dot,
ol.list-num ul {
  list-style: none;
}

.principles-list > li {
  position: relative;
  padding-left: 1.1rem;
  margin-bottom: 0.65rem;
  font-size: var(--resume-body);
  line-height: 1.55;
}

.principles-list > li:last-child,
ol.list-num > li:last-child {
  margin-bottom: 0;
}

.principles-list > li::before,
ol.list-num ul li::before,
.list-dot li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--accent);
}

section {
  margin-bottom: 4rem;
}

section:last-of-type {
  margin-bottom: 0;
}

h2 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1rem;
  letter-spacing: -0.01em;
}

h3,
h4 {
  font-weight: 600;
  color: var(--text);
}

h3 {
  font-size: 1.02rem;
  margin-bottom: 0.35rem;
}

h4 {
  font-size: 0.98rem;
  margin: 1.25rem 0 0.5rem;
}

h4:first-child {
  margin-top: 0;
}

h5 {
  font-size: var(--resume-subtitle);
  font-weight: 600;
  color: var(--muted);
  margin: 0 0 0.5rem;
  line-height: 1.55;
}

#side-projects .entry h5,
#activities .entry h5 {
  font-size: var(--resume-body);
  color: var(--text);
}

p {
  margin-bottom: 0.85rem;
  color: var(--text);
}

p:last-child {
  margin-bottom: 0;
}

.project-info {
  margin-bottom: 0.5rem;
}

.project-info p {
  margin-bottom: 0.15rem;
  color: var(--text);
}

.project-info p:last-child {
  margin-bottom: 0;
}

.duration {
  font-size: var(--resume-subtitle);
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.role-line {
  font-size: var(--resume-subtitle);
  color: var(--muted);
  margin-bottom: 0;
}

section .entry p {
  font-size: var(--resume-body);
}

section .entry p.duration,
section .entry p.role-line {
  font-size: var(--resume-subtitle);
}

.entry {
  margin-bottom: 2.5rem;
}

.job-head > h3 {
  margin-bottom: 0.25rem;
}

.job-head > .role-line {
  margin-bottom: 0;
}

.job-segment {
  margin-top: 1.85rem;
}

.job-segment:first-of-type {
  margin-top: 0.85rem;
}

.job-lead {
  font-size: var(--resume-body);
  color: var(--muted);
  margin-bottom: 0.75rem;
}

.job-segment .list-dot + .job-lead {
  margin-top: 1rem;
}

ol.list-num {
  list-style: decimal;
  padding-left: 1.35rem;
  margin: 0.5rem 0 0;
}

ol.list-num > li {
  margin-bottom: 1rem;
  padding-left: 0.35rem;
  color: var(--text);
  font-size: var(--resume-body);
}

ol.list-num ul {
  margin: 0.45rem 0 0;
}

ol.list-num ul li,
.list-dot li {
  position: relative;
  font-size: var(--resume-body);
  color: var(--muted);
}

ol.list-num ul li {
  padding-left: 1rem;
  margin-bottom: 0.4rem;
}

.list-dot li {
  padding-left: 1.1rem;
  margin-bottom: 0.55rem;
}

ul.list-dot {
  margin: 0.5rem 0 0;
}

.tag-row {
  margin-top: 0.65rem;
}

.tag {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.78rem;
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  margin: 0 0.35rem 0.35rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--resume-body);
  margin-top: 0.5rem;
}

th,
td {
  border: 1px solid var(--border);
  padding: 0.55rem 0.65rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--th-bg);
  color: var(--muted);
  font-weight: 600;
}

td {
  color: var(--muted);
}

.table-wrap th:last-child,
.table-wrap td:last-child {
  white-space: nowrap;
}

.table-wrap {
  overflow-x: auto;
  margin-bottom: 1.25rem;
}

.table-wrap:last-child {
  margin-bottom: 0;
}

.table-caption,
.skills-title {
  font-size: var(--resume-subtitle);
  font-weight: 600;
  color: var(--text);
}

.table-caption {
  margin-bottom: 0.5rem;
}

.skills-title {
  margin: 1rem 0 0.5rem;
}

.skills-title:first-child {
  margin-top: 0;
}

.title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.75rem;
  margin-bottom: 0.35rem;
}

.title-row h3 {
  margin-bottom: 0;
}

section .entry .title-row p {
  margin-bottom: 0;
  font-size: var(--resume-subtitle);
  color: var(--muted);
}

footer {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: var(--muted);
  text-align: center;
}

strong {
  font-weight: 600;
  color: var(--text);
}

.masthead__tools {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.lang-switch {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 2.35rem;
  padding: 0 0.7rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--muted);
  transition:
    background 0.15s ease,
    color 0.15s ease;
}

.lang-switch:hover {
  background: var(--accent-soft);
  color: var(--accent);
  text-decoration: none;
}

/* ── 영문판: 상단 요약 ── */
.summary {
  font-size: 1rem;
  color: var(--text);
  max-width: 62ch;
  margin-bottom: 1.25rem;
}

.lead + .summary {
  margin-top: -0.5rem;
}

/* ── 역할 / 기간 메타 줄: 양끝 정렬 ── */
.meta-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.1rem 1.5rem;
  font-size: var(--resume-subtitle);
  color: var(--muted);
  margin-bottom: 0.6rem;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  padding: 0.05em 0.3em;
  border-radius: 4px;
  background: var(--th-bg);
}

/* ── 인쇄 / PDF ── */
@media print {
  html[data-theme="dark"],
  html[data-theme="light"],
  :root {
    color-scheme: light;
    --bg: #ffffff;
    --text: #000000;
    --muted: #333333;
    --link: #000000;
    --link-hover: #000000;
    --accent: #000000;
    --accent-soft: #f0f0f0;
    --border: #cccccc;
    --th-bg: #f5f5f5;
  }

  @page {
    margin: 12mm;
  }

  body {
    font-size: 10pt;
    line-height: 1.42;
  }

  .page {
    max-width: none;
    padding: 0;
  }

  header {
    margin-bottom: 1.1rem;
  }

  h1 {
    font-size: 1.6rem;
    margin-bottom: 0.25rem;
  }

  .lead,
  .summary {
    margin-bottom: 0.5rem;
  }

  .lead + .summary {
    margin-top: 0;
  }

  .contact {
    margin-bottom: 0;
  }

  h2 {
    font-size: 1.05rem;
    margin-bottom: 0.5rem;
  }

  h3 {
    font-size: 0.98rem;
  }

  h4 {
    margin: 0.75rem 0 0.25rem;
  }

  p {
    margin-bottom: 0.35rem;
  }

  .entry {
    margin-bottom: 1rem;
  }

  .job-segment,
  .job-segment:first-of-type {
    margin-top: 0.85rem;
  }

  .meta-line {
    margin-bottom: 0.3rem;
  }

  .tag-row {
    margin-top: 0.35rem;
  }

  .tag {
    font-size: 0.68rem;
    padding: 0.05rem 0.35rem;
    margin: 0 0.25rem 0.2rem 0;
  }

  ul.list-dot {
    margin-top: 0.3rem;
  }

  .list-dot li {
    margin-bottom: 0.25rem;
  }


  .masthead__tools,
  nav,
  footer {
    display: none !important;
  }

  section {
    margin-bottom: 1.5rem;
  }

  .entry,
  .job-segment,
  .table-wrap {
    break-inside: avoid;
  }

  h2 {
    break-after: avoid;
  }

  a {
    text-decoration: none;
  }
}