/* ──────────────────────────────────────────
   TOKENS
────────────────────────────────────────── */
/* ──────────────────────────────────────────
   STRUCTURAL TOKENS (theme-independent)
────────────────────────────────────────── */
:root {
  --font-sans: 'Pretendard Variable', 'Pretendard', -apple-system, 'Apple SD Gothic Neo',
               'Noto Sans KR', BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', ui-monospace, monospace;

  --text-xs:   0.75rem;
  --text-sm:   0.8125rem;
  --text-base: 1rem;
  --text-lg:   1.125rem;
  --text-xl:   1.25rem;
  --text-2xl:  1.5rem;
  --text-3xl:  1.875rem;
  --text-4xl:  clamp(2.25rem, 4vw, 3rem);
  --text-hero: clamp(2.75rem, 8vw, 5.5rem);

  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-section: clamp(4rem, 8vw, 7rem);

  --radius-sm: 3px;
  --radius:    6px;
  --radius-lg: 10px;

  --dur-fast: 150ms;
  --dur:      240ms;
  --ease:     cubic-bezier(0.16, 1, 0.3, 1);
}

/* ──────────────────────────────────────────
   LIGHT THEME
────────────────────────────────────────── */
[color-theme='light'] {
  --color-bg:         #FFFFFF;
  --color-surface:    #F8FAFC;
  --color-border:     #E2E8F0;
  --color-text:       #0F172A;
  --color-text-2:     #475569;
  --color-text-3:     #94A3B8;
  --color-accent:     #1D4ED8;
  --color-accent-dim: #EFF6FF;
  --color-accent-bd:  #BFDBFE;
  --color-sec:        #B91C1C;
  --color-sec-dim:    #FEF2F2;
  --color-sec-bd:     #FECACA;
  --color-award:      #0369A1;
  --color-award-dim:  #F0F9FF;
  --color-hi:         #0F766E;
  --color-hi-dim:     #F0FDFA;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.06);
  --shadow:    0 1px 4px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04);
  --shadow-md: 0 4px 12px rgba(0,0,0,.08), 0 2px 4px rgba(0,0,0,.04);
  --nav-bg:    rgba(255,255,255,0.92);
  --toggle-color: #222222;
}

/* ──────────────────────────────────────────
   DARK THEME
────────────────────────────────────────── */
[color-theme='dark'] {
  --color-bg:         #191919;
  --color-surface:    #202020;
  --color-border:     #373737;
  --color-text:       #DFDFDF;
  --color-text-2:     #9B9B9B;
  --color-text-3:     #555555;
  --color-accent:     #5B9CF6;
  --color-accent-dim: rgba(91,156,246,0.10);
  --color-accent-bd:  rgba(91,156,246,0.25);
  --color-sec:        #F87171;
  --color-sec-dim:    rgba(248,113,113,0.10);
  --color-sec-bd:     rgba(248,113,113,0.25);
  --color-award:      #74B0F9;
  --color-award-dim:  rgba(116,176,249,0.10);
  --color-hi:         #4ADE80;
  --color-hi-dim:     rgba(74,222,128,0.10);
  --shadow-sm: 0 1px 3px rgba(0,0,0,.40);
  --shadow:    0 2px 6px rgba(0,0,0,.50), 0 1px 2px rgba(0,0,0,.30);
  --shadow-md: 0 6px 20px rgba(0,0,0,.60), 0 2px 6px rgba(0,0,0,.35);
  --nav-bg:    rgba(25,25,25,0.92);
  --toggle-color: #DFDFDF;
}

/* ──────────────────────────────────────────
   RESET & BASE
────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }
a { color: var(--color-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
ul, ol { list-style: none; }

/* ──────────────────────────────────────────
   NAV
────────────────────────────────────────── */
#site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: background var(--dur), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
#site-header.scrolled { box-shadow: var(--shadow-sm); }

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.nav-name {
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
  letter-spacing: -0.01em;
  white-space: nowrap;
}
.nav-name:hover { text-decoration: none; color: var(--color-accent); }

.nav-links {
  display: flex;
  gap: var(--space-6);
  align-items: center;
}
.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-2);
  transition: color var(--dur-fast);
}
.nav-links a:hover { color: var(--color-text); text-decoration: none; }

.nav-pdf-link {
  font-size: var(--text-xs) !important;
  font-weight: 700 !important;
  color: var(--color-accent) !important;
  border: 1px solid var(--color-accent-bd);
  border-radius: var(--radius-sm);
  padding: 2px 8px !important;
  letter-spacing: 0.04em;
  transition: background var(--dur-fast), border-color var(--dur-fast) !important;
}
.nav-pdf-link:hover {
  background: var(--color-accent-dim);
  border-color: var(--color-accent) !important;
  color: var(--color-accent) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-2);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-text);
  transition: transform var(--dur-fast), opacity var(--dur-fast);
}

/* ──────────────────────────────────────────
   SECTION SHARED
────────────────────────────────────────── */
section {
  padding: var(--space-section) 0;
}
.section-alt { background: var(--color-surface); }
[color-theme='dark'] .section-alt { border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

.section-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-10);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.section-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 400;
  color: var(--color-text-3);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
[color-theme='dark'] .section-label {
  color: var(--color-accent);
  font-weight: 500;
  letter-spacing: 0.10em;
  opacity: 0.7;
}

.subsection-title {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-4);
}

/* ──────────────────────────────────────────
   HERO
────────────────────────────────────────── */
#hero {
  padding: clamp(5rem, 12vw, 9rem) 0 var(--space-section);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: background var(--dur);
}
[color-theme='dark'] #hero {
  background:
    radial-gradient(ellipse 65% 80% at 18% 55%, rgba(77,158,245,0.07) 0%, transparent 65%),
    radial-gradient(ellipse 40% 50% at 85% 20%, rgba(52,211,153,0.04) 0%, transparent 60%),
    var(--color-bg);
}
/* Hero 2-column layout */
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

/* ── 왼쪽: 사진 + 이름 + 소개 ── */
.hero-identity {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
}

.hero-id-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}

.hero-name {
  font-size: var(--text-4xl);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: var(--space-4);
  color: var(--color-text);
}

.hero-intro {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: 1.75;
}

/* ── 오른쪽: 주요 활동 ── */
.hero-activity {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.hero-activity-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.hero-highlights {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.hero-highlights li {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: 1.55;
}
.hero-highlights li::before {
  content: '›';
  font-family: var(--font-mono);
  font-size: 1.1em;
  color: var(--color-accent);
  flex-shrink: 0;
}
.hero-highlights li b { color: var(--color-text); font-weight: 600; }

.highlight-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex-shrink: 0;
  vertical-align: middle;
  margin-right: var(--space-1);
}

.hero-actions {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-top: var(--space-5);
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius);
  font-size: var(--text-sm);
  font-weight: 600;
  font-family: var(--font-sans);
  cursor: pointer;
  transition: background var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast);
  text-decoration: none !important;
}
.btn-primary {
  background: var(--color-accent);
  color: #fff;
  border: 1.5px solid var(--color-accent);
}
[color-theme='light'] .btn-primary:hover { background: #1e40af; border-color: #1e40af; box-shadow: 0 2px 8px rgba(29,78,216,.25); }
[color-theme='dark']  .btn-primary:hover { background: #3a7fd6; border-color: #3a7fd6; box-shadow: 0 2px 12px rgba(77,158,245,.30); }
.btn-secondary {
  background: transparent;
  color: var(--color-text-2);
  border: 1.5px solid var(--color-border);
}
.btn-secondary:hover { border-color: var(--color-text-2); color: var(--color-text); }

.btn-outline {
  background: transparent;
  color: var(--color-accent);
  border: 1.5px solid var(--color-accent-bd);
  cursor: pointer;
  font-family: inherit;
}
.btn-outline:hover { background: var(--color-accent-dim); border-color: var(--color-accent); text-decoration: none; }

/* Hero visual column (photo) */
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-photo-wrap {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  border: 3px solid var(--color-border);
  box-shadow: var(--shadow-md);
  flex-shrink: 0;
  transition: border-color var(--dur), box-shadow var(--dur);
}
[color-theme='dark'] .hero-photo-wrap {
  border: 2px solid rgba(77,158,245,0.40);
  box-shadow: 0 0 0 5px rgba(77,158,245,0.08), 0 0 32px rgba(77,158,245,0.14), var(--shadow-md);
}
.hero-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
  display: block;
  border-radius: 50%;
}

/* Hero skill tag cloud */
#hero-skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
#hero-skill-tags li {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  padding: 4px 10px;
  border-radius: 100px;
  border: 1px solid var(--color-border);
  color: var(--color-text-2);
  transition: border-color var(--dur-fast), color var(--dur-fast);
}
#hero-skill-tags li.hl {
  border-color: var(--color-accent-bd);
  background: var(--color-accent-dim);
  color: var(--color-accent);
}

/* ──────────────────────────────────────────
   SKILLS
────────────────────────────────────────── */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-5);
}
.skill-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.skill-category {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-text-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.skill-items {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.skill-tag {
  font-size: var(--text-xs);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-2);
}
.skill-tag.hl {
  background: var(--color-accent-dim);
  border-color: var(--color-accent-bd);
  color: var(--color-accent);
  font-weight: 600;
}

/* ──────────────────────────────────────────
   CAREER TIMELINE
────────────────────────────────────────── */
.timeline {
  position: relative;
  padding-left: var(--space-8);
  display: flex;
  flex-direction: column;
  gap: 0;
}
.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 10px;
  width: 1px;
  background: var(--color-border);
}
.timeline-item {
  position: relative;
  padding: var(--space-4) 0 var(--space-6);
}
.timeline-item::before {
  content: '';
  position: absolute;
  left: calc(-1 * var(--space-8) - 5px);
  top: 14px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  transition: border-color var(--dur-fast);
}
[color-theme='light'] .timeline-item:hover::before { border-color: var(--color-accent); }
[color-theme='dark']  .timeline-item:hover::before { border-color: var(--color-accent); box-shadow: 0 0 8px rgba(77,158,245,0.40); }
.timeline-item:last-child { padding-bottom: 0; }

.timeline-label {
  font-weight: 600;
  font-size: var(--text-base);
  color: var(--color-text);
}
.timeline-sub {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  font-family: var(--font-mono);
  margin-top: var(--space-1);
}

/* ──────────────────────────────────────────
   PROJECTS
────────────────────────────────────────── */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-6);
}
.project-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  cursor: pointer;
  transition: box-shadow var(--dur), border-color var(--dur), transform var(--dur);
}
[color-theme='light'] .project-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent-bd);
  transform: translateY(-2px);
}
[color-theme='dark'] .project-card:hover {
  border-color: rgba(77,158,245,0.40);
  box-shadow: 0 0 0 1px rgba(77,158,245,0.08), 0 8px 28px rgba(0,0,0,0.55);
  transform: translateY(-2px);
}
.project-card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}
.project-title {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
  line-height: 1.3;
}
.project-date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-3);
  white-space: nowrap;
  margin-top: 3px;
}
.project-summary {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: 1.65;
  flex: 1;
}
.project-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.project-stack span {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-2);
}
.project-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}
.project-cats {
  display: flex;
  gap: var(--space-2);
  flex-wrap: wrap;
}
.cat-badge {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 100px;
}
.cat-badge.Security   { background: var(--color-sec-dim); color: var(--color-sec); border: 1px solid var(--color-sec-bd); }
.cat-badge.Backend    { background: var(--color-accent-dim); color: var(--color-accent); border: 1px solid var(--color-accent-bd); }
[color-theme='light'] .cat-badge.DevSecOps { background: var(--color-hi-dim); color: var(--color-hi); border: 1px solid #99F6E4; }
[color-theme='dark']  .cat-badge.DevSecOps { background: var(--color-hi-dim); color: var(--color-hi); border: 1px solid rgba(52,211,153,0.28); }
[color-theme='light'] .cat-badge.Android { background: #F0FDF4; color: #15803D; border: 1px solid #BBF7D0; }
[color-theme='dark']  .cat-badge.Android { background: rgba(52,211,153,0.10); color: #34D399; border: 1px solid rgba(52,211,153,0.28); }
.cat-badge.default    { background: var(--color-surface); color: var(--color-text-2); border: 1px solid var(--color-border); }

.project-more {
  font-size: var(--text-xs);
  color: var(--color-text-3);
  font-family: var(--font-mono);
  white-space: nowrap;
}

/* ──────────────────────────────────────────
   AWARDS
────────────────────────────────────────── */
.awards-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.award-item {
  display: grid;
  grid-template-columns: 1px 1fr;
  gap: 0 var(--space-6);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  align-items: start;
}
.award-item:first-child { padding-top: 0; }
.award-line {
  width: 1px;
  height: 100%;
  background: var(--color-border);
  position: relative;
  margin-top: 6px;
}
.award-line::before {
  content: '';
  position: absolute;
  top: 0;
  left: -4px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
}
[color-theme='light'] .award-item:hover .award-line::before { border-color: var(--color-accent); }
[color-theme='dark']  .award-item:hover .award-line::before { border-color: var(--color-accent); box-shadow: 0 0 8px rgba(77,158,245,0.40); }

.award-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.award-top {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.award-badge {
  font-size: 10px;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 100px;
  flex-shrink: 0;
  letter-spacing: 0.03em;
}
.award-badge.security   { background: var(--color-sec-dim); color: var(--color-sec); border: 1px solid var(--color-sec-bd); }
[color-theme='light'] .award-badge.취약점제보 { background: #FFF1F2; color: #BE123C; border: 1px solid #FECDD3; }
[color-theme='dark']  .award-badge.취약점제보 { background: rgba(251,113,133,0.10); color: #FB7185; border: 1px solid rgba(251,113,133,0.30); }
[color-theme='light'] .award-badge.award { background: #FFFBEB; color: #92400E; border: 1px solid #FDE68A; }
[color-theme='dark']  .award-badge.award { background: rgba(251,191,36,0.10); color: #FCD34D; border: 1px solid rgba(251,191,36,0.28); }
.award-badge.activity { background: var(--color-surface); color: var(--color-text-2); border: 1px solid var(--color-border); }

.award-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  flex: 1;
}
.award-title a { color: inherit; }
.award-title a:hover { color: var(--color-accent); }
.award-meta {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.award-org {
  font-size: var(--text-sm);
  color: var(--color-text-2);
}
.award-date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-3);
}
.award-kve {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-sec);
  font-weight: 600;
}
.award-desc {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: 1.65;
}
.award-item.has-blog { cursor: pointer; }
[color-theme='light'] .award-item.has-blog:hover .award-title { color: var(--color-accent); }
[color-theme='dark']  .award-item.has-blog:hover .award-title { color: var(--color-accent); }

.award-detail-toggle {
  font-size: var(--text-xs);
  color: var(--color-accent);
  cursor: pointer;
  background: none;
  border: none;
  padding: 0;
  font-family: var(--font-sans);
  margin-top: var(--space-1);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}
.award-detail-body {
  display: none;
  margin-top: var(--space-3);
  padding: var(--space-4);
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  font-size: var(--text-sm);
  color: var(--color-text-2);
}
.award-detail-body.open { display: block; }
.award-detail-section { margin-bottom: var(--space-4); }
.award-detail-section:last-child { margin-bottom: 0; }
.award-detail-section h4 {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-text-2);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-2);
}
.award-detail-section ul { padding-left: var(--space-4); list-style: disc; }
.award-detail-section li { margin-bottom: var(--space-1); line-height: 1.6; }

/* ──────────────────────────────────────────
   EDUCATION
────────────────────────────────────────── */
.edu-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-10) var(--space-16);
}
#education-list,
#certifications-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}
.edu-item,
.cert-item {
  padding: var(--space-4) var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}
.edu-degree {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
}
.edu-school {
  font-size: var(--text-sm);
  color: var(--color-text-2);
}
.edu-period {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-3);
}
.edu-note {
  font-size: var(--text-xs);
  color: var(--color-text-3);
  margin-top: var(--space-1);
}

.cert-name {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.cert-status {
  font-size: 10px;
  padding: 2px 7px;
  border-radius: 100px;
  background: var(--color-accent-dim);
  color: var(--color-accent);
  border: 1px solid var(--color-accent-bd);
  font-weight: 600;
}
.cert-issuer {
  font-size: var(--text-sm);
  color: var(--color-text-2);
}
.cert-id {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-3);
}

/* ──────────────────────────────────────────
   BLOG
────────────────────────────────────────── */
.blog-list {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.blog-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-4) var(--space-8);
  padding: var(--space-5) 0;
  border-bottom: 1px solid var(--color-border);
  cursor: pointer;
  align-items: start;
  transition: background var(--dur-fast);
}
.blog-item:first-child { border-top: 1px solid var(--color-border); }
.blog-item:hover .blog-title { color: var(--color-accent); }

.blog-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  transition: color var(--dur-fast);
  line-height: 1.4;
  margin-bottom: var(--space-1);
}
.blog-summary {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: 1.6;
  margin-bottom: var(--space-2);
}
.blog-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}
.blog-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  color: var(--color-text-3);
}
.blog-meta {
  text-align: right;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: var(--space-2);
}
.blog-cats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  justify-content: flex-end;
}
.blog-category {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 100px;
}
.blog-category.Security { background: var(--color-sec-dim); color: var(--color-sec); border: 1px solid var(--color-sec-bd); }
.blog-category.Network  { background: var(--color-accent-dim); color: var(--color-accent); border: 1px solid var(--color-accent-bd); }
[color-theme='light'] .blog-category.Infra { background: var(--color-award-dim); color: var(--color-award); border: 1px solid #BAE6FD; }
[color-theme='dark']  .blog-category.Infra { background: var(--color-award-dim); color: var(--color-award); border: 1px solid rgba(96,165,250,0.28); }
.blog-category.default  { background: var(--color-surface); color: var(--color-text-2); border: 1px solid var(--color-border); }

.blog-date {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-3);
}

/* ──────────────────────────────────────────
   FOOTER
────────────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-10) 0;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 var(--space-6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}
.footer-name {
  font-weight: 700;
  font-size: var(--text-base);
  color: var(--color-text);
}
.footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  flex-wrap: wrap;
}
.footer-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-3);
  transition: color var(--dur-fast);
  text-decoration: none;
}
.footer-link:hover {
  color: var(--color-accent);
  text-decoration: none;
}
.footer-link svg { flex-shrink: 0; }

/* ──────────────────────────────────────────
   MODAL
────────────────────────────────────────── */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: rgba(15,23,42,.55);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-6);
  overflow-y: auto;
  opacity: 0;
  transition: opacity var(--dur) var(--ease);
}
.modal-backdrop.visible { opacity: 1; }
.modal-backdrop[hidden] { display: none; }

.modal-box {
  position: relative;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  padding: var(--space-8);
  box-shadow: 0 20px 60px rgba(0,0,0,.2);
  margin: auto;
  transform: translateY(16px);
  transition: transform var(--dur) var(--ease);
}
.modal-backdrop.visible .modal-box { transform: translateY(0); }

.modal-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  width: 32px;
  height: 32px;
  cursor: pointer;
  font-size: 14px;
  color: var(--color-text-2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur-fast);
}
.modal-close:hover { background: var(--color-border); color: var(--color-text); }

.modal-content h2 {
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: var(--space-4);
  padding-right: var(--space-8);
  line-height: 1.3;
}
.modal-overview {
  font-size: var(--text-base);
  color: var(--color-text-2);
  line-height: 1.75;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-6);
  border-bottom: 1px solid var(--color-border);
}
.modal-stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
}
.modal-stack span {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--color-accent-dim);
  border: 1px solid var(--color-accent-bd);
  color: var(--color-accent);
}
.modal-links {
  display: flex;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-6);
}
.modal-link {
  font-size: var(--text-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-accent);
}
.modal-sections { display: flex; flex-direction: column; gap: var(--space-6); }

/* 트러블슈팅 그룹 */
.modal-section-group {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.modal-group-header {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-sec);
  background: var(--color-sec-dim);
  border-bottom: 1px solid var(--color-sec-bd);
  padding: var(--space-2) var(--space-4);
}
.modal-section-ts {
  padding: var(--space-4) var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}
.modal-section-ts:last-child {
  border-bottom: none;
  padding-bottom: var(--space-4);
}
.modal-section-ts h4 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-2);
}

.modal-section-block h3 {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.modal-section-block ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.modal-section-block li {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.65;
}
.modal-section-block li::before {
  content: '·';
  position: absolute;
  left: var(--space-1);
  color: var(--color-text-3);
}
.modal-section-block p {
  font-size: var(--text-sm);
  color: var(--color-text-2);
  line-height: 1.75;
  margin-bottom: var(--space-3);
}
.modal-media {
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  overflow: hidden;
  margin-top: var(--space-3);
}
.modal-media img {
  width: 100%;
  height: auto;
  background: var(--color-surface);
}
.modal-media img.lightbox-trigger {
  cursor: zoom-in;
}

/* ─── LIGHTBOX ──────────────────────────────────────────── */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, 0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}
.lightbox[hidden] { display: none; }

.lightbox-close {
  position: absolute;
  top: var(--space-4);
  right: var(--space-5);
  background: none;
  border: none;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  line-height: 1;
  opacity: 0.8;
  transition: opacity var(--duration-fast);
}
.lightbox-close:hover { opacity: 1; }

#lightbox-img {
  max-width: 100%;
  max-height: calc(100vh - 120px);
  object-fit: contain;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
}

.lightbox-caption {
  margin-top: var(--space-3);
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-xs);
  text-align: center;
  max-width: 600px;
}

.modal-media-caption {
  font-size: var(--text-xs);
  color: var(--color-text-3);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-mono);
}
.modal-links-inline {
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.modal-ext-link {
  font-size: var(--text-sm);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--color-accent);
}

/* YouTube embed */
.modal-yt {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.modal-yt iframe {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  border: none;
}

/* Code block */
.modal-code {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
  overflow-x: auto;
  font-size: 12px;
  line-height: 1.6;
  margin-top: var(--space-2);
  font-family: var(--font-mono);
}

/* ──────────────────────────────────────────
   SCROLL REVEAL
────────────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ──────────────────────────────────────────
   RESPONSIVE
────────────────────────────────────────── */
@media (max-width: 860px) {
  .hero-inner {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }
  .hero-identity {
    gap: var(--space-4);
    align-items: flex-start;
  }
  .hero-photo-wrap {
    width: 72px;
    height: 72px;
    min-width: 72px;
    min-height: 72px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
  }
  .hero-photo {
    border-radius: 50%;
  }
  .edu-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    position: absolute;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-4) var(--space-6);
    box-shadow: var(--shadow-md);
  }
  .nav-toggle { display: flex; }

  /* Mobile hero: photo (left) + text (right) in same row */
  .hero-identity {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-4);
  }
  .hero-photo-wrap {
    width: 64px;
    height: 64px;
    min-width: 64px;
    min-height: 64px;
    border-radius: 50%;
    overflow: hidden;
    flex-shrink: 0;
  }
  .hero-photo {
    border-radius: 50%;
  }
  .hero-eyebrow {
    padding-top: 0.15rem;
    line-height: 1.4;
  }
  .hero-intro {
    font-size: var(--text-xs);
  }

  .projects-grid { grid-template-columns: 1fr; }
  .blog-item { grid-template-columns: 1fr; }
  .blog-meta { align-items: flex-start; flex-direction: row; }
  .modal-box { padding: var(--space-5); }
}

/* ──────────────────────────────────────────
   DARK MODE OVERRIDES
────────────────────────────────────────── */
[color-theme='dark'] .modal-backdrop {
  background: rgba(4,7,16,.72);
  backdrop-filter: blur(6px);
}
[color-theme='dark'] .modal-box {
  box-shadow: 0 24px 70px rgba(0,0,0,.70), 0 0 0 1px var(--color-border);
}

/* ──────────────────────────────────────────
   THEME TOGGLE BUTTON
────────────────────────────────────────── */
.theme-toggle {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 34px;
  height: 34px;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  flex-shrink: 0;
  color: var(--toggle-color, var(--color-text-2));
  transition: border-color var(--dur-fast), background var(--dur-fast), color var(--dur-fast);
}
.theme-toggle:hover {
  border-color: var(--color-text-2);
  color: #FFA500;
}

.icon30 {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 20px;
  height: 20px;
  position: absolute;
  transform-origin: 50% 200%;
}
.icon30 > svg {
  transition: transform var(--dur) var(--ease);
}

/* Light mode: sun rises, moon sets */
[color-theme='light'] .sun  { animation: icon-rise 0.5s var(--ease) forwards; }
[color-theme='light'] .moon { animation: icon-set  0.5s var(--ease) forwards; }

/* Dark mode: moon rises, sun sets */
[color-theme='dark'] .sun  { animation: icon-set  0.5s var(--ease) forwards; }
[color-theme='dark'] .moon { animation: icon-rise 0.5s var(--ease) forwards; }

@keyframes icon-rise {
  from { transform: rotate(180deg); }
  to   { transform: rotate(360deg); }
}
@keyframes icon-set {
  from { transform: rotate(0deg); }
  to   { transform: rotate(180deg); }
}

/* ──────────────────────────────────────────
   HERO HIGHLIGHT TOGGLES
────────────────────────────────────────── */
.hero-highlights li.hl-toggle {
  flex-direction: column;
  align-items: stretch;
}
/* suppress the li::before bullet for toggle items — button handles it */
.hero-highlights li.hl-toggle::before { display: none !important; }

.hl-toggle-btn {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  color: var(--color-text-2);
  line-height: 1.55;
  text-align: left;
  padding: 0;
  width: 100%;
}
.hl-toggle-btn::before {
  content: '›';
  font-family: var(--font-mono);
  font-size: 1.1em;
  color: var(--color-accent);
  flex-shrink: 0;
}
.hl-toggle-btn b { color: var(--color-text); font-weight: 600; }

.hl-arrow {
  margin-left: auto;
  font-size: 10px;
  color: var(--color-text-3);
  transition: transform var(--dur-fast);
  flex-shrink: 0;
  padding-left: var(--space-2);
}
.hl-toggle-btn[aria-expanded='true'] .hl-arrow {
  transform: rotate(180deg);
}

.hl-children {
  margin-top: var(--space-2);
  padding-left: var(--space-5);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}
.hl-children[hidden] { display: none; }

.hl-child-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--color-accent);
  text-align: left;
  padding: 3px 0;
}
.hl-child-btn:hover { text-decoration: underline; }

.hl-child-link {
  font-size: var(--text-xs);
  font-weight: 700;
  color: var(--color-accent);
  padding: 3px 0;
  display: inline-block;
}
.hl-child-link:hover { text-decoration: underline; }

/* flash highlight when navigating to an award */
@keyframes hl-flash-anim {
  0%   { background: transparent; }
  25%  { background: var(--color-accent-dim); border-radius: var(--radius); }
  75%  { background: var(--color-accent-dim); border-radius: var(--radius); }
  100% { background: transparent; }
}
.hl-flash { animation: hl-flash-anim 1.6s ease; }

/* ──────────────────────────────────────────
   LANDING SCREEN
────────────────────────────────────────── */
#landing-screen {
  position: fixed;
  inset: 0;
  z-index: 9000;
  background: #0d1117;
  overflow: hidden;
  opacity: 1;
  transition: opacity 0.8s cubic-bezier(0.4,0,0.2,1);
}
#landing-screen.ls-out {
  opacity: 0;
  pointer-events: none;
}

#ls-canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

/* scanlines */
#landing-screen::after {
  content: '';
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.04) 2px, rgba(0,0,0,0.04) 4px
  );
  pointer-events: none;
  z-index: 1;
}

.ls-skip {
  position: absolute;
  top: 18px;
  right: 22px;
  z-index: 3;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #6e7681;
  background: none;
  border: 1px solid rgba(110,118,129,0.3);
  border-radius: 4px;
  padding: 4px 10px;
  cursor: pointer;
  letter-spacing: 0.04em;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.ls-skip:hover {
  color: #e6edf3;
  border-color: rgba(230,237,243,0.3);
  background: rgba(255,255,255,0.05);
}

.ls-terminal {
  position: absolute;
  left: clamp(20px, 4vw, 60px);
  top: 50%;
  transform: translateY(-50%);
  z-index: 2;
  width: clamp(460px, 46vw, 620px);
  background: rgba(22,27,34,0.97);
  border: 1px solid rgba(48,54,61,0.9);
  border-radius: 10px;
  box-shadow:
    0 32px 80px rgba(0,0,0,0.75),
    0 0 0 1px rgba(74,222,128,0.08),
    0 0 60px rgba(74,222,128,0.04);
  overflow: hidden;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
@media (max-width: 720px) {
  .ls-terminal {
    left: 50%;
    top: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: min(400px, 94vw);
    height: auto;  /* fills from 50% to bottom edge */
    display: flex;
    flex-direction: column;
  }
  .ls-body {
    flex: 1;
    min-height: 0;
    height: auto;
    overflow-y: auto;
  }
}

.ls-titlebar {
  background: rgba(30,35,43,0.98);
  padding: 11px 16px;
  display: flex;
  align-items: center;
  gap: 7px;
  border-bottom: 1px solid rgba(48,54,61,0.9);
  user-select: none;
}
.ls-dot { width: 12px; height: 12px; border-radius: 50%; flex-shrink: 0; }
.ls-dot.r { background: #ff5f57; }
.ls-dot.y { background: #ffbd2e; }
.ls-dot.g { background: #28c840; }
.ls-wintitle {
  flex: 1;
  text-align: center;
  font-family: var(--font-mono);
  font-size: 11px;
  color: #6e7681;
  margin-right: 36px;
  letter-spacing: 0.02em;
}

.ls-body {
  padding: 20px 24px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  overflow-y: auto;
  height: 360px; /* PC: fixed — ~14 lines × 22.75px + padding 32px */
  scroll-behavior: auto;
}

.ls-line { display: block; }
.ls-line + .ls-line { margin-top: 1px; }

.ls-prompt { color: #4ade80; }
.ls-cmd    { color: #e6edf3; }
.ls-out    { color: #8b949e; }
.ls-ok     { color: #4ade80; }
.ls-hi     { color: #79c0ff; font-weight: 600; }
.ls-warn   { color: #f0883e; }
.ls-dim    { color: #484f58; }

.ls-cursor {
  display: none;
  width: 8px;
  height: 14px;
  background: #4ade80;
  margin-left: 1px;
  vertical-align: text-bottom;
  animation: ls-blink 1s step-end infinite;
}
@keyframes ls-blink { 0%,100% { opacity:1; } 50% { opacity:0; } }

.ls-progress {
  margin: 4px 24px 0;
  height: 2px;
  background: rgba(48,54,61,0.8);
  border-radius: 1px;
  overflow: hidden;
}
.ls-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, #4ade80, #34d399);
  border-radius: 1px;
  transition: width 1.6s cubic-bezier(0.4,0,0.2,1);
}

.ls-footer {
  padding: 14px 24px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ls-status {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #4ade80;
  letter-spacing: 0.02em;
  opacity: 0;
  transition: opacity 0.4s;
  min-width: 0;
}
.ls-status.visible { opacity: 1; }

.ls-enter-btn {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  color: #0d1117;
  background: #4ade80;
  border: none;
  border-radius: 5px;
  padding: 9px 20px;
  cursor: pointer;
  letter-spacing: 0.06em;
  white-space: nowrap;
  opacity: 0;
  transform: translateY(5px);
  transition: opacity 0.4s, transform 0.4s, background 0.15s;
  flex-shrink: 0;
}
.ls-enter-btn.visible { opacity: 1; transform: none; }
.ls-enter-btn:hover { background: #86efac; }

@media (prefers-reduced-motion: reduce) {
  #landing-screen { transition: none; }
  .ls-cursor { animation: none; opacity: 1; }
  .ls-progress-bar { transition: none; }
  .ls-enter-btn { transition: opacity 0.1s; }
}
@media print {
  #landing-screen { display: none !important; }
}

/* ── Landing: light theme overrides ─────────────── */
[color-theme='light'] #landing-screen {
  background: #f0f4f8;
}
[color-theme='light'] #landing-screen::after {
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.015) 2px, rgba(0,0,0,0.015) 4px
  );
}
[color-theme='light'] .ls-skip {
  color: #57606a;
  border-color: rgba(87,96,106,0.35);
}
[color-theme='light'] .ls-skip:hover {
  color: #24292f;
  border-color: rgba(36,41,47,0.45);
  background: rgba(0,0,0,0.05);
}
[color-theme='light'] .ls-terminal {
  background: rgba(255,255,255,0.97);
  border-color: rgba(208,215,222,0.95);
  box-shadow:
    0 32px 80px rgba(0,0,0,0.12),
    0 0 0 1px rgba(22,163,74,0.07),
    0 0 60px rgba(22,163,74,0.03);
}
[color-theme='light'] .ls-titlebar {
  background: rgba(246,248,250,0.98);
  border-bottom-color: rgba(208,215,222,0.9);
}
[color-theme='light'] .ls-wintitle  { color: #57606a; }
[color-theme='light'] .ls-progress  { background: rgba(191,219,254,0.6); }
[color-theme='light'] .ls-progress-bar {
  background: linear-gradient(90deg, #1d4ed8, #2563eb);
}
[color-theme='light'] .ls-prompt    { color: #1d4ed8; }
[color-theme='light'] .ls-cmd       { color: #24292f; }
[color-theme='light'] .ls-out       { color: #57606a; }
[color-theme='light'] .ls-ok        { color: #1d4ed8; }
[color-theme='light'] .ls-hi        { color: #1d4ed8; font-weight: 700; }
[color-theme='light'] .ls-warn      { color: #9a6700; }
[color-theme='light'] .ls-dim       { color: #8c959f; }
[color-theme='light'] .ls-status    { color: #1d4ed8; }
[color-theme='light'] .ls-enter-btn {
  color: #ffffff;
  background: #1d4ed8;
}
[color-theme='light'] .ls-enter-btn:hover { background: #1e40af; }