:root {
  --bg-deep: #07171e;
  --panel: rgba(7, 25, 33, .76);
  --panel-strong: rgba(7, 24, 32, .90);
  --panel-soft: rgba(16, 45, 55, .64);
  --line: rgba(184, 222, 225, .16);
  --line-strong: rgba(184, 222, 225, .27);
  --text: #edf7f4;
  --muted: #a7c0c0;
  --faint: #789596;
  --pond: #75d5ce;
  --lily: #b8cf68;
  --sun: #f0bd55;
  --radius: 16px;
  --header-height: 72px;
}

html { scroll-behavior: smooth; color-scheme: dark; }

body {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 258px minmax(0, 1fr);
  grid-template-rows: var(--header-height) 1fr;
  grid-template-areas: "header header" "sidebar main";
  background: var(--bg-deep);
  color: var(--text);
  font-family: 'Inter', system-ui, sans-serif;
}

html[data-theme='light'] {
  --bg-deep: #e7f0e9;
  --panel: rgba(247, 250, 241, .84);
  --panel-strong: rgba(247, 250, 241, .95);
  --panel-soft: rgba(231, 241, 232, .78);
  --line: rgba(20, 69, 75, .15);
  --line-strong: rgba(20, 69, 75, .24);
  --text: #17353b;
  --muted: #49686c;
  --faint: #668084;
  --pond: #176f80;
  --lily: #5b762e;
  --sun: #b97618;
  color-scheme: light;
}

.pond-wallpaper {
  position: fixed;
  inset: 0;
  z-index: -2;
  overflow: hidden;
  background: #15596f url('/assets/video/pond-poster.jpg') center / cover no-repeat;
}

.pond-wallpaper video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.pond-tint {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(4, 17, 24, .78) 0, rgba(4, 17, 24, .48) 36%, rgba(4, 17, 24, .33) 100%),
    linear-gradient(180deg, rgba(4, 17, 24, .28), rgba(4, 17, 24, .58));
}

.skip-link {
  position: fixed;
  top: -60px;
  left: 16px;
  z-index: 2000;
  padding: 10px 14px;
  color: var(--bg-deep);
  background: var(--lily);
  border: 0;
  border-radius: 8px;
}
.skip-link:focus { top: 12px; }

header,
body.light-theme header {
  grid-area: header;
  position: sticky;
  top: 0;
  z-index: 900;
  height: var(--header-height);
  padding: 0 24px;
  background: rgba(5, 20, 27, .86);
  border: 0;
  border-bottom: 1px solid var(--line);
  box-shadow: none;
  backdrop-filter: blur(18px) saturate(1.1);
}

header .container {
  width: 100%;
  max-width: none;
  height: 100%;
  margin: 0;
  padding: 0;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  color: var(--text);
  border: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  overflow: hidden;
  font-size: 1.25rem;
  background: rgba(184, 207, 104, .13);
  border: 1px solid rgba(184, 207, 104, .28);
  border-radius: 10px;
}
.brand-mark img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.brand-copy { display: flex; flex-direction: column; gap: 2px; }
.brand-copy strong { color: var(--text); font: 700 1.05rem/1 'Space Mono', monospace; letter-spacing: .02em; }
.brand-copy small { color: var(--faint); font-size: .68rem; letter-spacing: .03em; }

.header-controls { display: flex; align-items: center; gap: 8px; }

.theme-toggle,
.pond-toggle,
.burger-toggle,
.search-form button,
body.light-theme .burger-toggle {
  width: 38px;
  height: 38px;
  min-width: 38px;
  display: inline-grid;
  place-items: center;
  padding: 0;
  color: var(--muted);
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line);
  border-radius: 9px;
  box-shadow: none;
  text-shadow: none;
  transform: none;
  transition: color .14s ease, background-color .14s ease, border-color .14s ease;
}

.theme-toggle:hover,
.theme-toggle:focus-visible,
.pond-toggle:hover,
.pond-toggle:focus-visible,
.burger-toggle:hover,
.search-form button:hover,
.search-form button:focus {
  color: var(--text);
  background: rgba(117, 213, 206, .12);
  border-color: rgba(117, 213, 206, .35);
  box-shadow: none;
  transform: none;
}

.theme-toggle i,
.pond-toggle i,
.search-form button i {
  font-size: .85rem;
  line-height: 1;
}

.burger-toggle { display: none; }

.music-toggle {
  position: fixed;
  right: max(18px, env(safe-area-inset-right));
  bottom: max(18px, env(safe-area-inset-bottom));
  z-index: 950;
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  padding: 0;
  color: var(--text);
  background: color-mix(in srgb, var(--panel-strong) 90%, transparent);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  box-shadow: 0 12px 30px rgba(0, 18, 25, .22);
  backdrop-filter: blur(12px);
  transform: none;
  transition: color .14s ease, background-color .14s ease, border-color .14s ease, box-shadow .14s ease;
}

.music-toggle i {
  font-size: .9rem;
  line-height: 1;
}

.music-toggle::after {
  content: '';
  position: absolute;
  width: 25px;
  height: 2px;
  background: currentColor;
  border-radius: 999px;
  opacity: 0;
  transform: rotate(-45deg);
  transition: opacity .14s ease;
}

.music-toggle:hover,
.music-toggle:focus-visible {
  color: var(--aqua);
  background: var(--panel-strong);
  border-color: var(--aqua);
  box-shadow: 0 12px 34px rgba(0, 18, 25, .3), 0 0 0 3px rgba(117, 213, 206, .14);
  transform: none;
}

.music-toggle.is-muted {
  color: var(--faint);
}

.music-toggle.is-muted::after {
  opacity: 1;
}

.music-toggle.is-waiting {
  border-color: rgba(184, 207, 104, .55);
  box-shadow: 0 12px 30px rgba(0, 18, 25, .22), 0 0 0 4px rgba(184, 207, 104, .1);
}

#background-music {
  display: none;
}

.post-gallery {
  margin-top: 2.6rem;
  padding-top: .35rem;
  border-top: 1px solid var(--line);
}

.post-gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 1.1rem;
}

.post-gallery figure {
  min-width: 0;
  min-height: 220px;
  display: grid;
  place-items: center;
  margin: 0;
  padding: 10px;
  overflow: hidden;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.post-gallery img,
body.article-page .main-content .post-gallery img {
  width: 100%;
  height: auto;
  max-height: 520px;
  display: block;
  margin: 0;
  object-fit: contain;
  border: 0;
  border-radius: 8px;
  box-shadow: none;
}

body.not-found-page .main-content {
  min-height: min(620px, calc(100vh - var(--header-height) - 42px));
  display: grid;
  place-items: center;
}

.not-found {
  width: min(680px, 100%);
  text-align: center;
}

body.article-page .main-content .not-found h1 {
  max-width: none;
  margin: .55rem 0 1rem;
  font-size: clamp(2.2rem, 7vw, 4.8rem);
  line-height: 1.02;
}

.not-found > p:last-of-type {
  max-width: 540px;
  margin-inline: auto;
  color: var(--muted);
}

.not-found-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 1.8rem;
}

.not-found-actions a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  color: var(--text);
  background: var(--panel-soft);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  font: 700 .68rem/1 'Space Mono', monospace;
  text-decoration: none;
}

.not-found-actions a:hover,
.not-found-actions a:focus-visible {
  color: var(--aqua);
  border-color: var(--aqua);
}

.not-found-actions .not-found-primary {
  color: var(--bg-deep);
  background: var(--pond);
  border-color: var(--pond);
}

@media (max-width: 640px) {
  .post-gallery-grid {
    grid-template-columns: 1fr;
  }

  .post-gallery figure {
    min-height: 0;
    padding: 7px;
  }
}

@media (max-width: 760px), (hover: none) {
  body.pond-page .music-toggle {
    right: max(16px, env(safe-area-inset-right));
    bottom: max(82px, calc(env(safe-area-inset-bottom) + 68px));
  }
}

.search-form { display: flex; align-items: center; margin: 0; }
.search-form input[type='text'] {
  width: 180px;
  height: 38px;
  padding: 0 12px;
  color: var(--text);
  background: rgba(255, 255, 255, .05);
  border: 1px solid var(--line);
  border-radius: 9px;
  box-shadow: none;
  font-family: 'Inter', sans-serif;
}
.search-form input[type='text']::placeholder { color: var(--faint); }
.search-form input[type='text']:focus { width: 220px; border-color: rgba(117, 213, 206, .42); box-shadow: 0 0 0 3px rgba(117, 213, 206, .08); }

.sidebar,
body.light-theme .sidebar {
  grid-area: sidebar;
  position: sticky;
  top: var(--header-height);
  align-self: start;
  height: calc(100vh - var(--header-height));
  padding: 22px 14px 32px;
  overflow-y: auto;
  color: var(--text);
  background: rgba(5, 21, 28, .76);
  border: 0;
  border-right: 1px solid var(--line);
  backdrop-filter: blur(16px) saturate(1.05);
  scrollbar-color: rgba(117, 213, 206, .35) transparent;
}

.sidebar-nav {
  min-height: 100%;
  display: flex;
  flex-direction: column;
}

.sidebar-section { margin: 0 0 18px; }
.sidebar-label {
  margin: 0 8px 7px;
  color: var(--muted);
  font: 700 .69rem/1.4 'Space Mono', monospace;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.sidebar-section > .sidebar-label {
  margin: 0 0 6px;
  padding: 7px 8px;
  color: var(--text);
  background: rgba(117, 213, 206, .055);
  border: 1px solid var(--line);
  border-radius: 7px;
}
.sidebar-section-toggle {
  width: 100%;
  min-height: 38px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 8px;
  color: var(--muted);
  background: rgba(117, 213, 206, .055);
  border: 1px solid var(--line);
  border-radius: 7px;
  text-align: left;
}
.sidebar-section-toggle .sidebar-label { margin: 0; color: inherit; }
.sidebar-section-toggle:hover,
.sidebar-section-toggle:focus-visible,
.sidebar-section-toggle[aria-expanded='true'] {
  color: var(--text);
  background: rgba(117, 213, 206, .08);
  border-color: var(--line-strong);
}
.sidebar-section-icon {
  flex: 0 0 auto;
  color: var(--lily);
  font: 500 .9rem/1 'Space Mono', monospace;
}
.sidebar-section-body { padding-top: 3px; }
.sidebar-section-body[hidden] { display: none; }
.sidebar-section-hint {
  margin: 3px 8px 5px !important;
  color: var(--faint) !important;
  font-size: .65rem !important;
  line-height: 1.45 !important;
}
.sidebar-list { list-style: none; margin: 0; padding: 0; }
.sidebar-list li { margin: 2px 0; padding: 0; }

.sidebar-list a,
.challenge-link,
body.light-theme .sidebar-list a,
body.light-theme .challenge-link {
  display: block;
  padding: 7px 9px;
  overflow: hidden;
  color: var(--muted);
  border: 0;
  border-radius: 7px;
  font-size: .79rem;
  line-height: 1.35;
  text-overflow: ellipsis;
}

.sidebar-list a:hover,
.sidebar-list a[aria-current='page'],
.challenge-link:hover,
body.light-theme .sidebar-list a:hover,
body.light-theme .challenge-link:hover {
  padding-left: 9px;
  color: var(--text);
  background: rgba(117, 213, 206, .10);
}
.sidebar-list a[aria-current='page'] { box-shadow: inset 2px 0 0 var(--pond); }
.compact-list a { font-size: .74rem; }

.ctf-group { margin: 3px 0; }
.ctf-group-header {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 7px 9px;
  color: var(--muted);
  background: transparent;
  border: 0;
  border-radius: 7px;
  text-align: left;
}
.ctf-group-header:hover,
.ctf-group-header[aria-expanded='true'] { color: var(--text); background: rgba(184, 207, 104, .10); }
.ctf-name { color: inherit; font: 500 .72rem/1.35 'Space Mono', monospace; }
.ctf-toggle { color: var(--lily); font: 400 1rem/1 'Space Mono', monospace; }
.challenge-list { margin: 3px 0 6px 10px; padding-left: 8px; border-left: 1px solid var(--line-strong); }
.challenge-list[hidden] { display: none; }
.challenge-link { padding: 6px 8px; font-size: .72rem; }

.sidebar-pond-cta {
  margin-top: auto;
  padding-top: 8px;
}

.sidebar-pond-link,
body.light-theme .sidebar-pond-link {
  position: relative;
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 12px;
  overflow: hidden;
  color: var(--text);
  background:
    radial-gradient(circle at 14% 10%, rgba(184, 207, 104, .26), transparent 38%),
    linear-gradient(135deg, rgba(117, 213, 206, .20), rgba(184, 207, 104, .11));
  border: 1px solid rgba(117, 213, 206, .42);
  border-radius: 11px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .08), 0 10px 26px rgba(3, 18, 23, .16);
  transition: color .14s ease, background-color .14s ease, border-color .14s ease, box-shadow .14s ease;
}

.sidebar-pond-link::before {
  content: '';
  position: absolute;
  right: -18px;
  bottom: -24px;
  width: 76px;
  height: 54px;
  background: rgba(184, 207, 104, .12);
  border-radius: 52% 48% 46% 54%;
  transform: rotate(-12deg);
}

.sidebar-pond-link:hover,
.sidebar-pond-link:focus-visible,
.sidebar-pond-link[aria-current='page'] {
  color: var(--text);
  background-color: rgba(117, 213, 206, .14);
  border-color: var(--pond);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .10), 0 12px 28px rgba(3, 18, 23, .22);
  outline: none;
}

.sidebar-pond-copy {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 3px;
}

.sidebar-pond-copy small {
  color: var(--lily);
  font: 700 .53rem/1.2 'Space Mono', monospace;
  letter-spacing: .11em;
  text-transform: uppercase;
}

.sidebar-pond-copy strong {
  color: inherit;
  font: 700 .72rem/1.3 'Space Mono', monospace;
}

.sidebar-pond-arrow {
  position: relative;
  z-index: 1;
  width: 28px;
  height: 28px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  color: var(--bg-deep);
  background: var(--pond);
  border-radius: 8px;
  font: 700 .8rem/1 'Space Mono', monospace;
}

.main-content,
body.light-theme .main-content {
  grid-area: main;
  min-width: 0;
  width: min(900px, calc(100% - 56px));
  margin: 0 auto;
  padding: 48px 0 72px;
  overflow: visible;
  color: var(--text);
}

body.article-page .main-content {
  width: min(960px, calc(100% - 56px));
  margin-top: 34px;
  margin-bottom: 64px;
  padding: clamp(28px, 5vw, 56px);
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .22);
  backdrop-filter: blur(16px) saturate(1.04);
}

.profile-panel {
  padding: clamp(26px, 5vw, 48px);
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  box-shadow: 0 24px 70px rgba(0, 0, 0, .22);
  backdrop-filter: blur(15px) saturate(1.04);
}

.profile-kicker,
.section-kicker {
  margin: 0 0 10px !important;
  color: var(--lily) !important;
  font: 500 .68rem/1.5 'Space Mono', monospace;
  letter-spacing: .09em;
  text-transform: uppercase;
}

.main-content .profile-panel h1,
body.light-theme .main-content .profile-panel h1 {
  margin: 0;
  padding: 0;
  color: var(--text);
  border: 0;
  font: 700 clamp(2rem, 5vw, 3.45rem)/1.08 'Space Mono', monospace;
  letter-spacing: -.05em;
  text-shadow: none;
}
.profile-panel h1 span { color: var(--pond); }
.profile-role {
  max-width: 760px;
  margin: 12px 0 24px !important;
  color: var(--muted) !important;
  font-size: clamp(.98rem, 2vw, 1.12rem);
  line-height: 1.58;
}
.profile-copy { max-width: 720px; }
.profile-copy p,
body.light-theme .profile-copy p { color: #c8d9d8; font-size: .98rem; line-height: 1.72; }
.profile-copy strong { color: var(--text); }

.profile-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 30px 0 0; }
.profile-facts div { padding: 13px 14px; background: rgba(255, 255, 255, .035); border: 1px solid var(--line); border-radius: 10px; }
.profile-facts dt { margin-bottom: 6px; color: var(--pond); font: 700 .86rem/1.35 'Space Mono', monospace; text-transform: uppercase; }
.profile-facts dd { margin: 0; color: var(--muted); font-size: .74rem; line-height: 1.5; }

.profile-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 22px;
  scroll-margin-top: calc(var(--header-height) + 20px);
}
.profile-actions a,
body.light-theme .profile-actions a {
  padding: 8px 11px;
  color: var(--pond);
  background: rgba(117, 213, 206, .07);
  border: 1px solid rgba(117, 213, 206, .20);
  border-radius: 8px;
  font: 500 .7rem/1 'Space Mono', monospace;
}
.profile-actions a:hover { color: var(--bg-deep); background: var(--pond); border-color: var(--pond); }
.profile-actions a.profile-action-primary,
body.light-theme .profile-actions a.profile-action-primary {
  color: var(--bg-deep);
  background: var(--pond);
  border-color: var(--pond);
  font-weight: 700;
}
.profile-actions a.profile-action-primary:hover {
  color: var(--bg-deep);
  background: var(--lily);
  border-color: var(--lily);
}

.profile-pond-entry,
body.light-theme .profile-pond-entry {
  max-width: 720px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 14px;
  padding: 14px 16px;
  color: var(--text);
  background: linear-gradient(110deg, rgba(117, 213, 206, .12), rgba(184, 207, 104, .08));
  border: 1px solid var(--line-strong);
  border-radius: 11px;
}
.profile-pond-entry:hover {
  color: var(--text);
  background: linear-gradient(110deg, rgba(117, 213, 206, .18), rgba(184, 207, 104, .13));
  border-color: rgba(117, 213, 206, .42);
}
.profile-pond-entry > span { display: grid; gap: 3px; }
.profile-pond-entry small { color: var(--lily); font: 600 .58rem/1.4 'Space Mono', monospace; letter-spacing: .08em; text-transform: uppercase; }
.profile-pond-entry strong { color: var(--text); font: 700 .82rem/1.4 'Space Mono', monospace; }
.profile-pond-entry span span { color: var(--muted); font-size: .72rem; line-height: 1.5; }
.profile-pond-entry b { color: var(--pond); font: 400 1rem/1 'Space Mono', monospace; }

.profile-socials {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 14px;
  margin-top: 18px;
  scroll-margin-top: calc(var(--header-height) + 20px);
}
.profile-socials > span { color: var(--faint); font: 500 .6rem/1.4 'Space Mono', monospace; letter-spacing: .08em; text-transform: uppercase; }
.profile-socials a { color: var(--muted); border: 0; font: 500 .67rem/1.4 'Space Mono', monospace; }
.profile-socials a:hover { color: var(--pond); }

.recent-section { margin-top: 46px; scroll-margin-top: 90px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 20px; margin-bottom: 15px; }
.main-content .section-heading h2,
body.light-theme .main-content .section-heading h2 {
  margin: 0;
  padding: 0;
  color: var(--text);
  border: 0;
  font: 700 1.55rem/1.2 'Space Mono', monospace;
  text-shadow: none;
}
.section-count { color: var(--faint); font: 400 .64rem/1.4 'Space Mono', monospace; }
.post-list { display: grid; gap: 8px; }

.post-row {
  position: relative;
  display: grid;
  grid-template-columns: 118px minmax(0, 1fr) 24px;
  gap: 18px;
  align-items: start;
  padding: 18px 18px;
  background: rgba(7, 25, 33, .70);
  border: 1px solid var(--line);
  border-radius: 11px;
  transition: background .18s ease, border-color .18s ease, transform .18s ease;
}
.post-row:hover { background: rgba(12, 38, 47, .84); border-color: rgba(117, 213, 206, .30); transform: translateX(3px); }
.post-row-link { position: absolute; inset: 0; z-index: 1; border: 0 !important; }
.post-row-meta { display: flex; flex-direction: column; gap: 5px; color: var(--faint); font: 400 .61rem/1.4 'Space Mono', monospace; text-transform: uppercase; }
.post-row-meta span { color: var(--lily); }
.main-content .post-row h3,
body.light-theme .main-content .post-row h3 { margin: 0 0 7px; color: var(--text); font: 600 .97rem/1.4 'Inter', sans-serif; }
.post-row p,
body.light-theme .post-row p { margin: 0; color: var(--muted); font-size: .79rem; line-height: 1.55; }
.post-row-tech { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 10px; }
.post-row-tech span {
  padding: 3px 6px;
  color: var(--faint);
  background: rgba(117, 213, 206, .06);
  border: 1px solid var(--line);
  border-radius: 5px;
  font: 500 .55rem/1.3 'Space Mono', monospace;
}
.post-row-arrow { color: var(--pond); font-size: 1rem; }

.collection-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 34px; }
.collection-card {
  min-height: 150px;
  display: block;
  padding: 18px;
  color: var(--text);
  background: rgba(7, 25, 33, .68);
  border: 1px solid var(--line);
  border-radius: 11px;
}
.collection-card:hover { color: var(--text); border-color: rgba(184, 207, 104, .35); background: rgba(12, 38, 47, .82); }
.collection-index { color: var(--lily); font: 500 .62rem/1 'Space Mono', monospace; }
.main-content .collection-card h2,
body.light-theme .main-content .collection-card h2 { margin: 22px 0 8px; padding: 0; color: var(--text); border: 0; font: 600 .92rem/1.3 'Space Mono', monospace; }
.collection-card p,
body.light-theme .collection-card p { margin: 0; color: var(--muted); font-size: .76rem; line-height: 1.55; }

/* Compact portfolio surfaces */
.proof-section { margin-top: 34px; }
.section-more {
  color: var(--lily);
  font: 600 .62rem/1.4 'Space Mono', monospace;
}
.section-more:hover { color: var(--text); }
.proof-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}
.proof-item {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 5px 14px;
  padding: 14px 15px;
  color: var(--text);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
}
.proof-item:hover { border-color: var(--line-strong); background: var(--panel-strong); }
.proof-item span {
  grid-column: 1 / -1;
  color: var(--lily);
  font: 600 .56rem/1.3 'Space Mono', monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
}
.proof-item strong {
  overflow: hidden;
  font: 600 .77rem/1.4 'Space Mono', monospace;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.proof-item small { color: var(--faint); font: .6rem/1.5 'Space Mono', monospace; }

.portfolio-page { max-width: 900px; }
.portfolio-page > h1 { margin-bottom: 8px; }
.portfolio-intro { max-width: 660px; margin: 0 0 28px !important; color: var(--muted) !important; }
.portfolio-list { display: grid; gap: 9px; }
.portfolio-entry {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 24px;
  padding: 19px 20px;
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 11px;
}
.portfolio-entry:hover { border-color: var(--line-strong); background: var(--panel-strong); }
.portfolio-entry-meta { display: flex; flex-direction: column; gap: 6px; }
.portfolio-entry-meta time,
.portfolio-entry-meta span,
.portfolio-tags {
  color: var(--lily) !important;
  font: 600 .58rem/1.45 'Space Mono', monospace !important;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.portfolio-entry h2 { margin: 0 0 7px !important; padding: 0 !important; border: 0 !important; font-size: 1rem !important; }
.portfolio-entry h2 a { color: var(--text); }
.portfolio-entry h2 a:hover { color: var(--pond); }
.portfolio-entry p { margin: 0 !important; color: var(--muted) !important; font-size: .78rem !important; line-height: 1.6 !important; }
.portfolio-entry .portfolio-tags { margin-top: 10px !important; }
.portfolio-empty {
  padding: 26px 20px;
  color: var(--muted);
  background: var(--panel-soft);
  border: 1px dashed var(--line-strong);
  border-radius: 11px;
}
.portfolio-empty p { margin: 0 !important; }
.portfolio-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 8px;
}
.portfolio-links a {
  padding: 9px 12px;
  color: var(--text);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
  font: 600 .64rem/1.3 'Space Mono', monospace;
}
.portfolio-links a:hover { color: var(--pond); border-color: var(--line-strong); }

/* Article pages */
.main-content > h1,
.ctf-writeup-content h1,
body.light-theme .main-content > h1 {
  color: var(--text);
  font-family: 'Space Mono', monospace;
  text-shadow: none;
}
.main-content > p,
.main-content li,
.ctf-writeup-content p,
body.light-theme .main-content > p,
body.light-theme .main-content li { color: #c8d9d8; }
.main-content strong, body.light-theme .main-content strong { color: var(--text); }
.main-content a, body.light-theme .main-content a { color: var(--pond); border-bottom-color: rgba(117, 213, 206, .35); }
.main-content a:hover, body.light-theme .main-content a:hover { color: var(--lily); border-bottom-color: var(--lily); }
.content-box, .featured-post, .ctf-writeup-content,
body.light-theme .content-box, body.light-theme .featured-post, body.light-theme .ctf-writeup-content {
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .20);
  backdrop-filter: blur(14px);
}
.main-content pre,
.ctf-writeup-content pre,
body.light-theme .main-content pre { background: rgba(2, 12, 17, .92); border-color: var(--line-strong); box-shadow: none; }
.main-content pre code,
.ctf-writeup-content pre code,
body.light-theme .main-content pre code { color: #bde7df; }
.main-content code,
body.light-theme .main-content code { color: var(--lily); background: rgba(184, 207, 104, .09); border-color: rgba(184, 207, 104, .18); }

body.article-page .main-content > :first-child { margin-top: 0; }
body.article-page .main-content h1 {
  margin: 0 0 1.3rem;
  padding: 0 0 1rem;
  color: var(--text);
  border-bottom: 1px solid var(--line-strong);
  font: 700 clamp(1.9rem, 4vw, 3rem)/1.15 'Space Mono', monospace;
  letter-spacing: -.045em;
  overflow-wrap: anywhere;
}
body.article-page .main-content h2 {
  margin: 2.5rem 0 .9rem;
  padding-bottom: .55rem;
  color: var(--pond);
  border-bottom: 1px solid var(--line);
  font: 700 clamp(1.25rem, 2.4vw, 1.65rem)/1.3 'Space Mono', monospace;
  overflow-wrap: anywhere;
}
body.article-page .main-content h3 {
  margin: 2rem 0 .65rem;
  color: var(--lily);
  font: 700 1.08rem/1.4 'Space Mono', monospace;
  overflow-wrap: anywhere;
}
body.article-page .main-content h4,
body.article-page .main-content h5,
body.article-page .main-content h6 { margin: 1.6rem 0 .55rem; color: var(--text); }
body.article-page .main-content p,
body.article-page .main-content li {
  color: var(--muted);
  font-size: .95rem;
  line-height: 1.78;
  overflow-wrap: anywhere;
}
body.article-page .main-content ul,
body.article-page .main-content ol { margin: .8rem 0 1.35rem 1.4rem; }
body.article-page .main-content li + li { margin-top: .35rem; }
body.article-page .main-content blockquote {
  margin: 1.4rem 0;
  padding: .9rem 1.1rem;
  background: var(--panel-soft);
  border-left: 3px solid var(--lily);
  border-radius: 0 9px 9px 0;
}
body.article-page .main-content hr { margin: 2.25rem 0; border: 0; border-top: 1px solid var(--line-strong); }
body.article-page .main-content img {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 1.4rem auto;
  border: 1px solid var(--line);
  border-radius: 10px;
  box-shadow: 0 14px 34px rgba(0, 0, 0, .20);
}
body.article-page .main-content table {
  display: table;
  width: 100%;
  margin: 1.4rem 0;
  table-layout: auto;
  border-collapse: collapse;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
}
body.article-page .main-content th,
body.article-page .main-content td {
  min-width: 120px;
  padding: .75rem .85rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}
body.article-page .main-content th { color: var(--text); background: var(--panel-soft); font-family: 'Space Mono', monospace; }
body.article-page .main-content pre {
  max-width: 100%;
  margin: 1.3rem 0;
  padding: 1rem 1.1rem;
  overflow: auto;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
}
body.article-page .main-content :not(pre) > code {
  padding: .16rem .38rem;
  overflow-wrap: anywhere;
  word-break: break-word;
  border: 1px solid rgba(184, 207, 104, .18);
  border-radius: 5px;
}
body.article-page .main-content iframe { width: 100%; max-width: 100%; border: 1px solid var(--line-strong); border-radius: 10px; }

html[data-theme='light'] body.article-page .main-content { box-shadow: 0 24px 70px rgba(30, 67, 60, .13); }
html[data-theme='light'] body.article-page .main-content pre { background: #10272c; }
html[data-theme='light'] body.article-page .main-content pre code { color: #d8f1eb; background: transparent; }
html[data-theme='light'] body.article-page .main-content table {
  background: rgba(255, 255, 250, .38);
  border-color: rgba(20, 69, 75, .22);
}
html[data-theme='light'] body.article-page .main-content tr:nth-child(even) {
  background: rgba(91, 118, 46, .08);
}
html[data-theme='light'] body.article-page .main-content tr:nth-child(odd) {
  background: transparent;
}
html[data-theme='light'] body.article-page .main-content tbody tr:hover {
  background: rgba(23, 111, 128, .10);
}
html[data-theme='light'] body.article-page .main-content th {
  background: rgba(23, 111, 128, .08);
}

/* Search */
.search-page > h1 { margin-bottom: 1.5rem !important; }
.search-page-form { margin: 0 0 1rem; }
.search-page-form label {
  display: block;
  margin-bottom: .55rem;
  color: var(--muted);
  font-size: .82rem;
}
.search-page-form > div { display: flex; gap: 8px; }
.search-page-form input {
  min-width: 0;
  flex: 1;
  padding: .8rem .9rem;
  color: var(--text);
  background: var(--panel-soft);
  border: 1px solid var(--line-strong);
  border-radius: 9px;
}
.search-page-form button {
  padding: .8rem 1rem;
  color: var(--bg-deep);
  background: var(--pond);
  border: 1px solid var(--pond);
  border-radius: 9px;
  font-weight: 700;
}
.search-summary { margin: 1.25rem 0 !important; color: var(--faint) !important; font: .72rem/1.5 'Space Mono', monospace; }
.search-results { display: grid; gap: 9px; }
.search-result { margin: 0; }
.search-result a {
  display: block;
  padding: 1rem 1.1rem;
  color: var(--text) !important;
  background: var(--panel-soft);
  border: 1px solid var(--line) !important;
  border-radius: 10px;
}
.search-result a:hover { border-color: var(--line-strong) !important; }
.search-result span { color: var(--lily); font: .62rem/1.4 'Space Mono', monospace; text-transform: uppercase; }
.search-result h2 { margin: .3rem 0 .35rem !important; padding: 0 !important; border: 0 !important; color: var(--text) !important; font-size: 1rem !important; }
.search-result p { margin: 0 !important; color: var(--muted) !important; font-size: .8rem !important; line-height: 1.55 !important; }

/* Shared PDF viewer */
.pdf-launch {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  margin: .6rem 0 1rem;
  padding: .75rem 1rem;
  color: var(--bg-deep);
  background: var(--pond);
  border: 1px solid var(--pond);
  border-radius: 9px;
  box-shadow: 0 10px 24px rgba(0, 0, 0, .14);
  font: 700 .75rem/1 'Space Mono', monospace;
  transition: filter .14s ease, box-shadow .14s ease;
}
.pdf-launch:hover,
.pdf-launch:focus-visible { filter: brightness(1.08); box-shadow: 0 13px 30px rgba(0, 0, 0, .20); }

body.pdf-open { overflow: hidden; }
.pdf-viewer {
  width: min(1180px, calc(100% - 32px));
  height: min(900px, calc(100vh - 32px));
  height: min(900px, calc(100dvh - 32px));
  max-width: none;
  max-height: none;
  margin: auto;
  padding: 0;
  overflow: visible;
  color: var(--text);
  background: transparent;
  border: 0;
}
.pdf-viewer::backdrop {
  background: rgba(2, 12, 17, .78);
  backdrop-filter: blur(8px);
}
.pdf-viewer-shell {
  height: 100%;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  background: var(--panel-strong);
  border: 1px solid var(--line-strong);
  border-radius: 14px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .48);
}
.pdf-viewer-header {
  grid-area: auto;
  position: static;
  top: auto;
  z-index: auto;
  height: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 16px 14px 19px;
  background: var(--panel-strong);
  border-bottom: 1px solid var(--line);
  box-shadow: none;
  backdrop-filter: none;
}
.pdf-viewer-header > div:first-child {
  min-width: 0;
}
.pdf-viewer-header p {
  margin: 0 0 3px;
  color: var(--lily);
  font: 700 .58rem/1.4 'Space Mono', monospace;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.pdf-viewer-header h2 {
  margin: 0;
  overflow: hidden;
  color: var(--text);
  font: 700 1rem/1.3 'Space Mono', monospace;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pdf-viewer-actions { flex: 0 0 auto; display: flex; align-items: center; gap: 8px; }
.pdf-external,
.pdf-close {
  min-height: 36px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  background: var(--panel-soft);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.pdf-external { padding: 0 11px; font: 700 .65rem/1 'Space Mono', monospace; }
.pdf-close { width: 36px; padding: 0; font-size: 1.35rem; line-height: 1; }
.pdf-external:hover,
.pdf-close:hover { color: var(--text); border-color: var(--line-strong); background: rgba(117, 213, 206, .10); }
.pdf-viewer-stage {
  position: relative;
  min-height: 0;
  margin: 10px;
  overflow: hidden;
  background: #eef1ed;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
}
.pdf-frame {
  width: 100%;
  height: 100%;
  display: block;
  opacity: 1;
  background: #fff;
  border: 0;
  border-radius: 0;
  transition: opacity .16s ease;
}
.pdf-viewer-stage.is-loading .pdf-frame { opacity: .01; }
.pdf-loading {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  margin: 0 !important;
  color: #49686c !important;
  background: #eef1ed;
  font: 700 .7rem/1.5 'Space Mono', monospace;
  z-index: 2;
}
.pdf-viewer-footer {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 8px 14px 10px;
  color: var(--faint);
  font: .58rem/1.4 'Space Mono', monospace;
}
html[data-theme='light'] .pdf-viewer::backdrop { background: rgba(22, 49, 54, .56); }
html[data-theme='light'] .pdf-viewer-shell { box-shadow: 0 30px 90px rgba(24, 57, 53, .30); }

.sidebar-overlay { background: rgba(2, 12, 17, .66); backdrop-filter: blur(4px); }

html[data-theme='light'] .pond-tint {
  background:
    linear-gradient(90deg, rgba(225, 239, 229, .56) 0, rgba(225, 239, 229, .30) 42%, rgba(225, 239, 229, .18) 100%),
    linear-gradient(180deg, rgba(239, 246, 236, .16), rgba(214, 231, 219, .34));
}

html[data-theme='light'] header {
  background: rgba(239, 246, 237, .88);
  box-shadow: 0 1px 0 rgba(255, 255, 255, .5);
}

html[data-theme='light'] .sidebar {
  background: rgba(236, 245, 234, .84);
}

html[data-theme='light'] .theme-toggle,
html[data-theme='light'] .pond-toggle,
html[data-theme='light'] .burger-toggle,
html[data-theme='light'] .search-form button,
html[data-theme='light'] .search-form input[type='text'] {
  color: var(--muted);
  background: rgba(255, 255, 255, .50);
}

html[data-theme='light'] .theme-toggle:hover,
html[data-theme='light'] .pond-toggle:hover,
html[data-theme='light'] .burger-toggle:hover,
html[data-theme='light'] .search-form button:hover {
  color: var(--text);
  background: rgba(255, 255, 255, .78);
}

html[data-theme='light'] .profile-copy p,
html[data-theme='light'] .post-row p,
html[data-theme='light'] .collection-card p,
html[data-theme='light'] .main-content > p,
html[data-theme='light'] .main-content li,
html[data-theme='light'] .ctf-writeup-content p {
  color: var(--muted);
}

html[data-theme='light'] .profile-facts div,
html[data-theme='light'] .search-form input[type='text'] {
  background: rgba(255, 255, 255, .38);
}

html[data-theme='light'] .post-row,
html[data-theme='light'] .collection-card {
  background: rgba(247, 250, 241, .86);
  border-color: rgba(20, 69, 75, .18);
  box-shadow: 0 12px 30px rgba(30, 67, 60, .10);
}

html[data-theme='light'] .post-row:hover,
html[data-theme='light'] .collection-card:hover {
  background: rgba(255, 255, 250, .96);
  border-color: rgba(23, 111, 128, .30);
  box-shadow: 0 15px 34px rgba(30, 67, 60, .14);
}

@media (max-width: 900px) {
  body,
  body.light-theme { grid-template-columns: 1fr; grid-template-areas: "header" "main"; }
  .burger-toggle { display: inline-grid; }
  .sidebar,
  body.light-theme .sidebar {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: auto;
    z-index: 1001;
    width: min(340px, 92vw);
    height: calc(100vh - var(--header-height));
    transform: translateX(100%);
    border-right: 0;
    border-left: 1px solid var(--line);
    padding-bottom: max(32px, env(safe-area-inset-bottom));
  }
  .sidebar.sidebar-open { transform: translateX(0); }
  .main-content { width: min(820px, calc(100% - 32px)); padding-top: 28px; }
  body.article-page .main-content { width: min(820px, calc(100% - 32px)); margin-top: 24px; }
  .sidebar-section-toggle,
  .sidebar-list a,
  .ctf-group-header,
  .challenge-link { min-height: 44px; display: flex; align-items: center; }
  body.article-page .main-content table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    -webkit-overflow-scrolling: touch;
  }
}

@media (max-width: 640px) {
  :root { --header-height: 64px; }
  header { padding: 0 12px; }
  .brand-copy small, .search-form { display: none; }
  .brand-mark { width: 34px; height: 34px; }
  .main-content { width: calc(100% - 22px); padding: 18px 0 48px; }
  body.article-page .main-content { width: calc(100% - 22px); margin-top: 14px; padding: 24px 18px 38px; }
  body.article-page .main-content h1 { font-size: clamp(1.55rem, 9vw, 2.2rem); }
  body.article-page .main-content h2 { margin-top: 2rem; }
  body.article-page .main-content h3 { margin-top: 1.65rem; }
  body.article-page .main-content p,
  body.article-page .main-content li { font-size: .91rem; line-height: 1.7; }
  body.article-page .main-content ul,
  body.article-page .main-content ol { margin-left: 0; padding-left: 1.25rem; }
  body.article-page .main-content blockquote { padding: .8rem .85rem; }
  body.article-page .main-content th,
  body.article-page .main-content td { min-width: 104px; padding: .65rem .7rem; }
  body.article-page .main-content pre { padding: .85rem; font-size: .78rem; }
  .profile-panel { padding: 24px 19px; }
  .profile-facts { grid-template-columns: 1fr; }
  .profile-pond-entry { max-width: none; }
  .post-row { grid-template-columns: 1fr 20px; gap: 8px; padding: 16px; }
  .post-row-meta { grid-column: 1 / -1; flex-direction: row; gap: 10px; }
  .collection-grid { grid-template-columns: 1fr; }
  .collection-card { min-height: 0; }
  .proof-list { grid-template-columns: 1fr; }
  .portfolio-entry { grid-template-columns: 1fr; gap: 10px; padding: 16px; }
  .portfolio-entry-meta { flex-direction: row; flex-wrap: wrap; gap: 8px 14px; }
  .section-count { display: none; }
  .section-heading { align-items: flex-start; flex-wrap: wrap; gap: 8px; }
  .search-page-form > div { flex-direction: column; }
  .pdf-launch {
    width: 100%;
    min-height: 48px;
    justify-content: center;
  }
  .pdf-viewer {
    position: fixed;
    inset: 0;
    width: 100vw;
    width: 100dvw;
    height: 100vh;
    height: 100dvh;
    margin: 0;
  }
  .pdf-viewer-shell {
    border-radius: 0;
    border-width: 0;
  }
  .pdf-viewer-header {
    gap: 10px;
    padding:
      max(10px, env(safe-area-inset-top))
      max(10px, env(safe-area-inset-right))
      10px
      max(14px, env(safe-area-inset-left));
  }
  .pdf-viewer-header p { display: none; }
  .pdf-viewer-header h2 { font-size: .78rem; }
  .pdf-viewer-header > div:first-child { flex: 1 1 auto; }
  .pdf-external,
  .pdf-close { min-height: 44px; }
  .pdf-external { padding: 0 10px; font-size: .58rem; }
  .pdf-close { width: 44px; }
  .pdf-viewer-stage {
    margin: 6px;
    margin-bottom: max(6px, env(safe-area-inset-bottom));
    border-radius: 6px;
  }
  .pdf-viewer-footer { display: none; }
}

@media (max-width: 420px) {
  header { padding-inline: 10px; }
  .header-controls { gap: 6px; }
  .theme-toggle,
  .pond-toggle,
  .burger-toggle,
  .search-form button { width: 42px; height: 42px; min-width: 42px; }
  .brand-copy strong { font-size: .95rem; }
  body.article-page .main-content { width: calc(100% - 16px); padding: 21px 14px 34px; }
  .profile-panel { padding: 22px 16px; }
  .profile-actions { display: grid; grid-template-columns: 1fr; }
  .profile-actions a { min-height: 44px; display: flex; align-items: center; justify-content: center; }
  .profile-pond-entry { padding: 13px 14px; }
  .post-row { padding: 14px; }
  .post-row-arrow { align-self: center; }
  .proof-item { grid-template-columns: minmax(0, 1fr); }
  .proof-item small { grid-column: 1; }
  .portfolio-links { display: grid; grid-template-columns: 1fr; }
  .portfolio-links a { min-height: 44px; display: flex; align-items: center; justify-content: center; text-align: center; }
  .search-result a { padding: .9rem; }
  .pdf-viewer-header { padding-left: 10px; }
  .pdf-viewer-header h2 { font-size: .68rem; }
  .pdf-external { padding-inline: 8px; }
}

@media (max-width: 640px) and (orientation: landscape) {
  .pdf-viewer-header {
    padding-top: 6px;
    padding-bottom: 6px;
  }
  .pdf-external,
  .pdf-close { min-height: 40px; }
  .pdf-close { width: 40px; }
  .pdf-viewer-stage { margin-top: 4px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}

@supports not (backdrop-filter: blur(1px)) {
  header, .sidebar, .profile-panel, .post-row, .collection-card, .content-box, .ctf-writeup-content { background: var(--panel-strong); }
}