/* ============================================================
   CSS custom properties
   ============================================================ */
:root {
  --accent:     #2563eb;
  --accent-dim: rgba(37, 99, 235, 0.10);
  --bg:         #f4f6f9;
  --bg-card:    #ffffff;
  --text:       #1c1c1c;
  --text-muted: #5e5e5e;
  --border:     #e2e4e9;
  --radius:     6px;
}

[data-theme="dark"] {
  --accent:     #60a5fa;
  --accent-dim: rgba(96, 165, 250, 0.12);
  --bg:         #111111;
  --bg-card:    #1b1b1b;
  --text:       #dcdcdc;
  --text-muted: #888888;
  --border:     #2c2c2c;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --accent:     #60a5fa;
    --accent-dim: rgba(96, 165, 250, 0.12);
    --bg:         #111111;
    --bg-card:    #1b1b1b;
    --text:       #dcdcdc;
    --text-muted: #888888;
    --border:     #2c2c2c;
  }
}

/* ============================================================
   Reset + base
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html { scroll-behavior: smooth; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Apple SD Gothic Neo", "Noto Sans KR", "Noto Sans CJK KR",
    "Malgun Gothic", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  transition: background 0.2s ease, color 0.2s ease;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ============================================================
   Top-right controls (fixed)
   ============================================================ */
.top-controls {
  position: fixed;
  top: 1rem;
  right: 1.25rem;
  z-index: 200;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.2rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.22rem 0.8rem;
  font-size: 0.72rem;
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(0,0,0,.07);
}

.lang-switcher a {
  color: var(--text-muted);
  text-decoration: none;
  padding: 0.05rem 0.2rem;
  transition: color 0.15s;
  letter-spacing: 0.03em;
}
.lang-switcher a:hover,
.lang-switcher a.active { color: var(--accent); }
.lang-switcher a.active { font-weight: 800; }
.lang-switcher .sep { color: var(--border); user-select: none; font-weight: 400; }

#theme-toggle {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  cursor: pointer;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0,0,0,.07);
  transition: color 0.15s, border-color 0.15s;
  flex-shrink: 0;
}
#theme-toggle:hover { color: var(--accent); border-color: var(--accent); }

/* Light mode: show moon (click → go dark). Dark mode: show sun (click → go light). */
.icon-sun  { display: none; }
.icon-moon { display: block; }

[data-theme="dark"] .icon-sun  { display: block; }
[data-theme="dark"] .icon-moon { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .icon-sun  { display: block; }
  :root:not([data-theme="light"]) .icon-moon { display: none; }
}

/* ============================================================
   Hero (ch4n3 style: avatar left, body right)
   ============================================================ */
.hero {
  max-width: 880px;
  margin: 5rem auto 4rem;
  padding: 0 1.5rem;
  display: flex;
  align-items: flex-start;
  gap: 2.5rem;
}

.avatar {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--border);
  flex-shrink: 0;
}

.hero-body {
  flex: 1;
  min-width: 0;
}

.hero-name {
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 0.4rem;
}

.hero-role {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
  margin-bottom: 1.1rem;
}

.hero-bio {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 1.1rem;
}

.highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
}
.highlights li {
  font-size: 0.88rem;
  padding-left: 1.2rem;
  position: relative;
  line-height: 1.6;
}
.highlights li::before {
  content: '●';
  position: absolute;
  left: 0;
  top: 0.1rem;
  color: var(--accent);
  font-size: 0.55rem;
  line-height: 1.8;
}

.socials {
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.social-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.45rem 0.95rem;
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  background: var(--bg-card);
  text-decoration: none;
  transition: border-color 0.15s, color 0.15s;
}
.social-pill:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
.social-pill svg { flex-shrink: 0; }

/* Stack on narrow screens */
@media (max-width: 680px) {
  .hero {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1.5rem;
  }
  .avatar { width: 140px; height: 140px; }
  .hero-name { font-size: 2rem; }
  .highlights { align-items: flex-start; text-align: left; }
  .socials { justify-content: center; }
}

/* ============================================================
   Page body: TOC sidebar + main
   ============================================================ */
.page-body {
  display: flex;
  align-items: flex-start;
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 1.5rem 5rem;
  gap: 3rem;
}

.toc {
  width: 155px;
  flex-shrink: 0;
  position: sticky;
  top: 3rem;
  height: fit-content;
}

.toc ul { list-style: none; display: flex; flex-direction: column; }

.toc-link {
  display: block;
  padding: 0.32rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  line-height: 1.4;
}
.toc-link:hover { color: var(--text); text-decoration: none; }
.toc-link.active { color: var(--accent); border-left-color: var(--accent); font-weight: 600; }

main { flex: 1; min-width: 0; max-width: 720px; }

@media (max-width: 768px) {
  .toc { display: none; }
  .page-body { display: block; padding: 0 1rem 3rem; max-width: 100%; }
}

/* ============================================================
   Sections
   ============================================================ */
.section { margin-bottom: 3.5rem; }

.section-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  padding-bottom: 0.45rem;
  border-bottom: 2px solid var(--accent);
  display: inline-block;
  letter-spacing: 0.01em;
}

/* ============================================================
   Timeline (Work Experience + Education)
   ============================================================ */
.timeline {
  position: relative;
  padding-left: 2rem;
}

/* Vertical line; left:5px puts it under the center of the 12px dot */
.timeline::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 10px;
  bottom: 1.5rem;
  width: 2px;
  background: var(--border);
}

.timeline-entry {
  position: relative;
  padding-bottom: 2.25rem;
}
.timeline-entry:last-child { padding-bottom: 0.25rem; }

/* Dot: left:-2rem from entry = left:0 in .timeline; 12px wide, center at 6px ≈ line */
.timeline-entry::before {
  content: '';
  position: absolute;
  left: -2rem;
  top: 4px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--bg);
  box-shadow: 0 0 0 1.5px var(--accent);
}

.timeline-meta { margin-bottom: 0.2rem; }

.date-range {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
}

.tl-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.25rem 0.4rem;
  margin-bottom: 0.5rem;
}

.tl-role { font-weight: 700; font-size: 0.95rem; }
.tl-sep  { color: var(--text-muted); font-size: 0.85rem; }
.tl-company { font-weight: 600; font-size: 0.9rem; color: var(--accent); }
a.tl-company:hover { text-decoration: underline; }
.tl-location { font-size: 0.78rem; color: var(--text-muted); }

.tl-bullets {
  padding-left: 1.2rem;
  font-size: 0.855rem;
  line-height: 1.8;
}
.tl-bullets li { margin-bottom: 0.1rem; }

.tl-note { font-size: 0.82rem; color: var(--text-muted); font-style: italic; margin-top: 0.3rem; }

/* ============================================================
   Awards
   ============================================================ */
.awards-group { margin-bottom: 1.75rem; }

.awards-year {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.6rem;
}

.awards-entries { display: flex; flex-direction: column; gap: 0.45rem; }

.awards-entry {
  display: grid;
  grid-template-columns: 3.25rem 7rem 1fr auto;
  gap: 0.4rem 0.9rem;
  align-items: baseline;
  font-size: 0.855rem;
  padding: 0.55rem 0.85rem;
  border-radius: var(--radius);
  background: var(--bg-card);
  border: 1px solid var(--border);
}

.awards-place { font-weight: 700; color: var(--accent); }
.awards-team  { color: var(--text-muted); font-size: 0.78rem; }
.awards-event { font-weight: 600; }
.awards-organizer { color: var(--text-muted); font-size: 0.78rem; text-align: right; }
.awards-detail { grid-column: 1 / -1; font-size: 0.76rem; color: var(--accent); font-weight: 600; margin-top: -0.1rem; }

@media (max-width: 560px) {
  .awards-entry { grid-template-columns: 3rem 1fr; }
  .awards-organizer { display: none; }
  .awards-event { grid-column: 1 / -1; }
}

/* ============================================================
   Vulnerability section (ch4n3 style)
   ============================================================ */
 
/* ── Filter tabs at top ──────────────────────────────────── */
.vuln-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-soft);
}
 
.vuln-filter {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.32rem 0.85rem;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 0.78rem;
  font-weight: 500;
  cursor: pointer;
  font-family: inherit;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.vuln-filter:hover {
  color: var(--text);
  border-color: var(--text-muted);
}
.vuln-filter.active {
  background: var(--accent-dim);
  border-color: var(--accent);
  color: var(--accent);
}
.vuln-filter-count {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.vuln-filter.active .vuln-filter-count { color: var(--accent); }
 
/* ── Sub-group titles (CVE / Bug Bounty) ─────────────────── */
.vuln-group-title {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 1.25rem;
  margin-bottom: 0.75rem;
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
}
.vuln-group-title:first-child { margin-top: 0; }
 
.vuln-group-count {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
 
/* ── Card layout: logo | body | cvss ─────────────────────── */
.vuln-cards {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  margin-bottom: 1rem;
}
 
.vuln-card {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  background: var(--bg-inner);
  padding: 0.95rem 1.1rem;
  transition: border-color 0.15s;
}
.vuln-card:hover { border-color: var(--border); }
 
.vuln-card.hidden { display: none; }
 
.vuln-row {
  display: grid;
  grid-template-columns: 36px 1fr auto;
  gap: 0.85rem;
  align-items: center;
}
 
.vuln-logo {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--bg-card);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid var(--border-soft);
}
.vuln-logo img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}
.vuln-logo-fallback {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  background: var(--bg-card);
}
 
.vuln-body { min-width: 0; }
 
.vuln-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.25rem;
}
 
.vuln-vendor {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text);
}
 
.cve-id {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
}
a.cve-id:hover { color: var(--accent); text-decoration: underline; }
 
.vuln-type {
  font-size: 0.68rem;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.12rem 0.5rem;
  border-radius: 4px;
  font-weight: 500;
}
 
.vuln-title {
  font-size: 0.86rem;
  color: var(--text);
  font-weight: 500;
  line-height: 1.5;
}
 
/* ── CVSS score badge on right ───────────────────────────── */
.vuln-cvss {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem;
  border-radius: 6px;
  font-weight: 700;
  flex-shrink: 0;
  white-space: nowrap;
}
 
.cvss-score {
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
 
.cvss-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}
 
/* Severity colors */
.severity-critical { background: #fee2e2; color: #b91c1c; }
.severity-high     { background: #ffedd5; color: #c2410c; }
.severity-medium   { background: #fef9c3; color: #854d0e; }
.severity-low      { background: #f3f4f6; color: #4b5563; }
 
[data-theme="dark"] .severity-critical { background: rgba(185,28,28,.22); color: #fca5a5; }
[data-theme="dark"] .severity-high     { background: rgba(194,65,12,.22); color: #fdba74; }
[data-theme="dark"] .severity-medium   { background: rgba(133,77,14,.28); color: #fde68a; }
[data-theme="dark"] .severity-low      { background: rgba(75,85,99,.22);  color: #9ca3af; }
 
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .severity-critical { background: rgba(185,28,28,.22); color: #fca5a5; }
  :root:not([data-theme="light"]) .severity-high     { background: rgba(194,65,12,.22); color: #fdba74; }
  :root:not([data-theme="light"]) .severity-medium   { background: rgba(133,77,14,.28); color: #fde68a; }
  :root:not([data-theme="light"]) .severity-low      { background: rgba(75,85,99,.22);  color: #9ca3af; }
}
 
/* ── Expandable description + reference links ───────────── */
.vuln-desc {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-top: 0.7rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--border-soft);
}
 
.vuln-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: 0.6rem;
}
 
.vuln-link {
  font-size: 0.7rem;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text-muted);
  text-decoration: none;
  background: var(--bg-card);
  transition: border-color 0.15s, color 0.15s;
}
.vuln-link:hover { border-color: var(--accent); color: var(--accent); text-decoration: none; }
 
/* ── Mobile: stack the row ────────────────────────────── */
@media (max-width: 540px) {
  .vuln-row {
    grid-template-columns: 32px 1fr;
    gap: 0.65rem;
  }
  .vuln-cvss {
    grid-column: 1 / -1;
    justify-self: start;
    margin-top: 0.2rem;
  }
}
 
/* ============================================================
   Talks + Blog posts
   ============================================================ */
.simple-list { list-style: none; }

.simple-entry {
  display: flex;
  gap: 1.25rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.simple-entry:first-child { border-top: 1px solid var(--border); }

.simple-meta {
  font-size: 0.76rem;
  color: var(--text-muted);
  font-variant-numeric: tabular-nums;
  min-width: 2.75rem;
  flex-shrink: 0;
  padding-top: 0.15rem;
}

.simple-content { display: flex; flex-direction: column; gap: 0.15rem; }

.entry-title { font-size: 0.88rem; font-weight: 500; color: var(--text); text-decoration: none; }
a.entry-title:hover { color: var(--accent); text-decoration: underline; }
.entry-sub { font-size: 0.78rem; color: var(--text-muted); }

/* ============================================================
   Projects grid
   ============================================================ */
.project-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
}

.project-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.15s;
}
.project-card:hover { border-color: var(--accent); }

.project-icon { font-size: 1.5rem; line-height: 1; }

.project-name {
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--text);
  text-decoration: none;
}
a.project-name:hover { color: var(--accent); text-decoration: underline; }

.project-desc {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.65;
  flex: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  padding-top: 0.55rem;
  margin-top: auto;
  border-top: 1px solid var(--border);
}

.project-tag {
  font-size: 0.65rem;
  font-weight: 600;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  padding: 0.1rem 0.45rem;
  border-radius: var(--radius);
  background: var(--accent-dim);
  color: var(--accent);
}

@media (max-width: 680px) {
  .project-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 420px) {
  .project-grid { grid-template-columns: 1fr; }
}

/* ============================================================
   Footer
   ============================================================ */
.site-footer {
  text-align: center;
  padding: 2rem 1.5rem;
  font-size: 0.78rem;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
}
.site-footer a { color: var(--text-muted); }
.site-footer a:hover { color: var(--accent); }

/* ════════════════════════════════════════════════════════════════
   VULNERABILITY SECTION — APPEND AT VERY BOTTOM of assets/style.css
   ════════════════════════════════════════════════════════════════ */

/* Section title — accent underline, no emoji gap */
#vulns > h2.card-title {
  font-size: 1.05rem !important;
  font-weight: 700 !important;
  letter-spacing: 0.01em !important;
  text-transform: none !important;
  color: var(--text) !important;
  margin-bottom: 1.25rem !important;
  padding-bottom: 0.45rem !important;
  border-bottom: 2px solid var(--accent) !important;
  display: inline-block !important;
  gap: 0 !important;
}
#vulns .card-title-icon { display: none !important; }

/* Cards container */
#vulns .vuln-cards {
  display: flex !important;
  flex-direction: column !important;
  gap: 0.7rem !important;
}

/* Card — block container with border, padding, details inside */
#vulns .vuln-card,
#vulns div.vuln-card {
  display: block !important;
  position: relative !important;
  border: 1px solid var(--border-soft) !important;
  border-radius: 8px !important;
  background: var(--bg-inner) !important;
  padding: 0.95rem 1.1rem !important;
  margin: 0 !important;
  overflow: hidden;
  transition: border-color 0.15s;
}
#vulns .vuln-card:hover { border-color: var(--border) !important; }

/* Row — 4-column grid: logo | body | cvss | chevron */
#vulns .vuln-card > .vuln-row {
  display: grid !important;
  grid-template-columns: 36px 1fr auto 34px !important;
  column-gap: 0.85rem !important;
  row-gap: 0 !important;
  align-items: center !important;
  width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  background: transparent !important;
  border: 0 !important;
  cursor: pointer !important;
}

#vulns .vuln-card > .vuln-row > .vuln-logo   { grid-column: 1; }
#vulns .vuln-card > .vuln-row > .vuln-body   { grid-column: 2; min-width: 0; }
#vulns .vuln-card > .vuln-row > .vuln-cvss   { grid-column: 3; }
#vulns .vuln-card > .vuln-row > .vuln-toggle { grid-column: 4; }

/* Logo box */
#vulns .vuln-card .vuln-logo {
  width: 36px !important;
  height: 36px !important;
  min-width: 36px !important;
  max-width: 36px !important;
  border-radius: 8px !important;
  background: var(--bg-card) !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  overflow: hidden !important;
  border: 1px solid var(--border-soft) !important;
  flex-shrink: 0 !important;
}
#vulns .vuln-card .vuln-logo img {
  width: 26px !important;
  height: 26px !important;
  max-width: 26px !important;
  max-height: 26px !important;
  object-fit: contain !important;
  display: block !important;
}
#vulns .vuln-card .vuln-logo-fallback {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-muted);
}

/* Body (vendor, CVE id, type, title) */
#vulns .vuln-card .vuln-body { min-width: 0; }
#vulns .vuln-card .vuln-meta {
  display: flex !important;
  flex-wrap: wrap !important;
  align-items: center !important;
  gap: 0.4rem !important;
  margin-bottom: 0.25rem !important;
}
#vulns .vuln-card .vuln-vendor {
  font-size: 0.82rem !important;
  font-weight: 700 !important;
  color: var(--text) !important;
}
#vulns .vuln-card .cve-id {
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace !important;
  font-size: 0.78rem !important;
  font-weight: 600 !important;
  color: var(--text-muted) !important;
}
#vulns .vuln-card .vuln-type {
  font-size: 0.68rem !important;
  color: var(--accent) !important;
  background: var(--accent-dim) !important;
  padding: 0.12rem 0.5rem !important;
  border-radius: 4px !important;
  font-weight: 500 !important;
}
#vulns .vuln-card .vuln-title {
  font-size: 0.86rem !important;
  color: var(--text) !important;
  font-weight: 500 !important;
  line-height: 1.5 !important;
  margin: 0 !important;
}

/* CVSS badge */
#vulns .vuln-cvss {
  display: inline-flex !important;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.7rem !important;
  border-radius: 6px !important;
  font-weight: 700;
  white-space: nowrap;
  flex-shrink: 0;
}
#vulns .cvss-score {
  font-size: 0.9rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
#vulns .cvss-label {
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
}

/* Severity colors — light mode */
#vulns .severity-critical { background: #fee2e2 !important; color: #b91c1c !important; }
#vulns .severity-high     { background: #ffedd5 !important; color: #c2410c !important; }
#vulns .severity-medium   { background: #fef9c3 !important; color: #854d0e !important; }
#vulns .severity-low      { background: #f3f4f6 !important; color: #4b5563 !important; }

/* Severity colors — dark mode */
[data-theme="dark"] #vulns .severity-critical { background: rgba(185,28,28,.22) !important; color: #fca5a5 !important; }
[data-theme="dark"] #vulns .severity-high     { background: rgba(194,65,12,.22) !important; color: #fdba74 !important; }
[data-theme="dark"] #vulns .severity-medium   { background: rgba(133,77,14,.28) !important; color: #fde68a !important; }
[data-theme="dark"] #vulns .severity-low      { background: rgba(75,85,99,.22)  !important; color: #9ca3af !important; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) #vulns .severity-critical { background: rgba(185,28,28,.22) !important; color: #fca5a5 !important; }
  :root:not([data-theme="light"]) #vulns .severity-high     { background: rgba(194,65,12,.22) !important; color: #fdba74 !important; }
  :root:not([data-theme="light"]) #vulns .severity-medium   { background: rgba(133,77,14,.28) !important; color: #fde68a !important; }
  :root:not([data-theme="light"]) #vulns .severity-low      { background: rgba(75,85,99,.22)  !important; color: #9ca3af !important; }
}

/* Chevron toggle button */
#vulns .vuln-toggle,
#vulns button.vuln-toggle {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  width: 34px !important;
  height: 34px !important;
  padding: 0 !important;
  margin: 0 !important;
  background: transparent !important;
  border: 0 !important;
  border-radius: 6px !important;
  color: var(--text-muted) !important;
  cursor: pointer !important;
  font-family: inherit !important;
  flex-shrink: 0 !important;
  justify-self: end !important;
  transition: background 0.15s, color 0.15s !important;
}
#vulns .vuln-toggle:hover {
  background: var(--accent-dim) !important;
  color: var(--text) !important;
}
#vulns .vuln-toggle:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

#vulns .vuln-chevron {
  width: 18px !important;
  height: 18px !important;
  display: block !important;
  transition: transform 0.2s ease !important;
}
#vulns .vuln-card:not(.collapsed) .vuln-chevron {
  transform: rotate(180deg) !important;
}

/* Collapsible details — inside the card */
#vulns .vuln-card > .vuln-details {
  overflow: hidden !important;
  transition: max-height 0.3s ease, margin-top 0.25s ease, padding-top 0.25s ease, opacity 0.2s ease !important;
}

#vulns .vuln-card.collapsed > .vuln-details {
  max-height: 0 !important;
  margin-top: 0 !important;
  padding-top: 0 !important;
  border-top: 0 !important;
  opacity: 0 !important;
}

#vulns .vuln-card:not(.collapsed) > .vuln-details {
  max-height: 2000px !important;
  margin-top: 0.85rem !important;
  padding-top: 0.85rem !important;
  border-top: 1px dashed var(--border-soft) !important;
  opacity: 1 !important;
}

/* Description */
#vulns .vuln-details > .vuln-desc {
  font-size: 0.82rem !important;
  color: var(--text-muted) !important;
  line-height: 1.7 !important;
  margin: 0 !important;
  padding: 0 !important;
  border: 0 !important;
}

/* Reference link pills */
#vulns .vuln-details > .vuln-links {
  display: flex !important;
  flex-wrap: wrap !important;
  gap: 0.35rem !important;
  margin-top: 0.65rem !important;
  padding: 0 !important;
  border: 0 !important;
}

#vulns .vuln-details > .vuln-links > .vuln-link {
  font-size: 0.7rem !important;
  padding: 0.2rem 0.6rem !important;
  border: 1px solid var(--border) !important;
  border-radius: 4px !important;
  color: var(--text-muted) !important;
  text-decoration: none !important;
  background: var(--bg-card) !important;
  transition: border-color 0.15s, color 0.15s;
}
#vulns .vuln-details > .vuln-links > .vuln-link:hover {
  border-color: var(--accent) !important;
  color: var(--accent) !important;
}

/* Mobile — chevron stays on right, CVSS wraps below */
@media (max-width: 640px) {
  #vulns .vuln-card > .vuln-row {
    grid-template-columns: 32px 1fr 34px !important;
  }
  #vulns .vuln-card > .vuln-row > .vuln-toggle {
    grid-column: 3;
    grid-row: 1;
  }
  #vulns .vuln-card > .vuln-row > .vuln-cvss {
    grid-column: 1 / -1 !important;
    justify-self: start !important;
    margin-top: 0.3rem !important;
  }
}

/* ════════════════════════════════════════════════════════════════
   BACKGROUND — blue at top, fading to white over the FULL page
   
   DELETE the previous gradient block (the one with #ffffff 900px)
   and replace with this.
   ════════════════════════════════════════════════════════════════ */

/* No white flash above body */
html {
  background: transparent !important;
  margin: 0;
  padding: 0;
}

body {
  margin: 0;
  min-height: 100vh;
}

/* Gradient only on the CV/profile page */
body.page-profile {
  background:
    linear-gradient(
      to bottom,
      #dfe8f7 0%,
      #eaf0fa 25%,
      #f5f7fc 60%,
      #ffffff 100%
    ) no-repeat !important;
  background-color: #ffffff !important;
  background-attachment: scroll !important;
  background-size: 100% 100% !important;
}

[data-theme="dark"] body.page-profile {
  background:
    linear-gradient(
      to bottom,
      #0f1624 0%,
      #0d1220 25%,
      #0e0f12 60%,
      #0d0d0f 100%
    ) no-repeat !important;
  background-color: #0d0d0f !important;
  background-attachment: scroll !important;
  background-size: 100% 100% !important;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) body {
    background:
      linear-gradient(
        to bottom,
        #0f1624 0%,
        #0d1220 25%,
        #0e0f12 60%,
        #0d0d0f 100%
      ) no-repeat !important;
    background-color: #0d0d0f !important;
    background-attachment: scroll !important;
    background-size: 100% 100% !important;
  }
}

/* Cards: crisp white to stand out against the blue */
body .card,
body .vuln-card {
  background: #ffffff !important;
}

[data-theme="dark"] body .card,
[data-theme="dark"] body .vuln-card {
  background: var(--bg-card) !important;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) body .card,
  :root:not([data-theme="light"]) body .vuln-card {
    background: var(--bg-card) !important;
  }
}

/* Inner cards: slight off-white so hierarchy is visible */
body .project-card,
body .ctf-entry,
body .timeline-date-pill {
  background: #f6f8fb !important;
}

[data-theme="dark"] body .project-card,
[data-theme="dark"] body .ctf-entry,
[data-theme="dark"] body .timeline-date-pill {
  background: var(--bg-inner) !important;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) body .project-card,
  :root:not([data-theme="light"]) body .ctf-entry,
  :root:not([data-theme="light"]) body .timeline-date-pill {
    background: var(--bg-inner) !important;
  }
}

.avatar {
  transition: box-shadow 0.3s ease;
}

.avatar:hover {
  box-shadow: 0 0 15px rgba(37, 99, 235, 0.5);
}

/* ── Fade-in on profile page load ──────────────────────── */
body.page-profile .top-controls,
body.page-profile .hero,
body.page-profile .page-body {
  opacity: 0;
  animation: fadeInUp 0.8s ease forwards;
}

body.page-profile .top-controls {
  animation-delay: 0s;
}

body.page-profile .hero {
  animation-delay: 0.15s;
}

body.page-profile .page-body {
  animation-delay: 0.3s;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}