body:has(#eventDetailApp) {
  padding-top: 0 !important;
  padding-bottom: 0 !important;
}

#eventDetailApp {
  --event-burst-origin-x: 50%;
  --event-burst-origin-y: 28px;
  position: relative;
  isolation: isolate;
  min-height: 100vh;
}

#eventDetailApp::before,
#eventDetailApp::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  pointer-events: none;
}

#eventDetailApp::before {
  background: repeating-conic-gradient(
    from -0.06deg at var(--event-burst-origin-x) var(--event-burst-origin-y),
    var(--burst-ray-1) 0deg 0.12deg,
    transparent 0.12deg 3.6deg
  );
  -webkit-mask-image: radial-gradient(
    circle at var(--event-burst-origin-x) var(--event-burst-origin-y),
    transparent 0 56px,
    #000 60px 72%,
    transparent 94%
  );
  mask-image: radial-gradient(
    circle at var(--event-burst-origin-x) var(--event-burst-origin-y),
    transparent 0 56px,
    #000 60px 72%,
    transparent 94%
  );
}

#eventDetailApp::after {
  background: repeating-conic-gradient(
    from 1.74deg at var(--event-burst-origin-x) var(--event-burst-origin-y),
    var(--burst-ray-2) 0deg 0.12deg,
    transparent 0.12deg 3.6deg
  );
  -webkit-mask-image: radial-gradient(
    circle at var(--event-burst-origin-x) var(--event-burst-origin-y),
    transparent 0 56px,
    #000 60px 43%,
    transparent 58%
  );
  mask-image: radial-gradient(
    circle at var(--event-burst-origin-x) var(--event-burst-origin-y),
    transparent 0 56px,
    #000 60px 43%,
    transparent 58%
  );
}

#eventDetailApp > * {
  position: relative;
  z-index: 1;
}

.event-page-container {
  width: min(var(--calendar-max-width), 100%);
  margin: 0 auto;
  background: transparent;
  border: 0;
  border-left: var(--border-width) solid var(--line);
  border-right: var(--border-width) solid var(--line);
  border-radius: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.event-error-state {
  padding: 64px 24px;
  text-align: center;
}

.event-error-state h2 {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 900;
  color: var(--ink);
}

.event-error-state p {
  margin: 0 auto 24px;
  max-width: 460px;
  color: var(--text-muted);
  font-size: 15px;
}

.event-error-actions {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.event-retry-btn {
  min-height: 44px;
  padding: 10px 16px;
  border: var(--border-width) solid var(--line);
  border-radius: 6px;
  background: var(--ink);
  color: var(--paper);
  cursor: pointer;
  font-size: 13px;
  font-weight: 900;
  transition: background 0.1s ease, color 0.1s ease, transform 0.1s ease;
}

.event-retry-btn:hover {
  background: var(--hover-bar);
  color: var(--ink);
}

.event-retry-btn:active {
  transform: translateY(1px);
}

/* Theme Toggle Button in Event Nav */
.theme-toggle-btn {
  width: 36px;
  height: 36px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--paper);
  border: var(--border-width) solid var(--line);
  color: var(--ink);
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background 0.1s ease;
}

.theme-toggle-btn:hover {
  background: var(--hover-bar);
  transform: translateY(-1px);
  box-shadow: 2px 2px 0 var(--line);
}

.theme-toggle-btn:active {
  transform: translateY(1px);
  box-shadow: none;
}

/* Top Navigation Bar */
.event-nav-bar {
  min-height: 68px;
  padding: 10px 18px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  border-bottom: var(--border-width) solid var(--line);
  background: transparent;
  gap: 12px;
}

.event-nav-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  color: inherit;
  text-decoration: none;
}

.event-nav-mark {
  display: block;
  width: 46px;
  height: 46px;
  flex: 0 0 46px;
}

.event-nav-wordmark {
  color: var(--brand-wordmark-color);
  font-family: "Nevis", "Trebuchet MS", Arial, sans-serif;
  font-size: 34px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.8px;
  white-space: nowrap;
}

.event-nav-country {
  display: inline-block;
  margin-left: 0.1em;
  color: #1f6f2c;
  font-family: "Woliu Maners Demo", Arial, Helvetica, sans-serif;
  font-size: 0.52em;
  font-weight: 400;
  letter-spacing: 0;
  transform: translateY(-0.75em);
}

.event-nav-brand:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 4px;
  border-radius: 4px;
}

.event-nav-spacer,
.nav-actions {
  justify-self: end;
}

.back-link {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  background: var(--paper);
  border: var(--border-width) solid var(--line);
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 900;
  border-radius: 6px;
  transition: transform 0.1s ease, background 0.1s ease, box-shadow 0.1s ease;
}

.back-link:hover {
  background: var(--hover-bar);
  box-shadow: 2px 2px 0 var(--line);
  transform: translateY(-1px);
}

.back-link:active {
  transform: translateY(1px);
  box-shadow: none;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  background: var(--paper);
  border: var(--border-width) solid var(--line);
  color: var(--ink);
  font-size: 12.5px;
  font-weight: 800;
  border-radius: 6px;
  cursor: pointer;
  transition: transform 0.1s ease, background 0.1s ease;
}

.action-btn:hover {
  background: var(--hover-bar);
}

.action-btn:active {
  transform: translateY(1px);
}

/* Editorial event hero */
.event-editorial-hero {
  display: grid;
  grid-template-columns: 198px minmax(0, 1fr);
  min-height: 250px;
  border-bottom: var(--border-width) solid var(--line);
  background: var(--paper);
}

.event-date-rail {
  display: grid;
  grid-template-rows: 1fr auto auto;
  border-right: var(--border-width) solid var(--line);
  background: var(--paper);
}

.event-date-main {
  padding: 20px 20px 0;
  color: var(--ink);
  font-size: 78px;
  font-weight: 900;
  line-height: 0.95;
  letter-spacing: -4px;
  font-variant-numeric: tabular-nums;
}

.event-date-copy {
  padding: 8px 20px 20px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.event-date-category {
  padding: 16px 20px;
  border-top: var(--border-width) solid var(--line);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.event-editorial-main {
  position: relative;
  isolation: isolate;
  padding: 28px 30px 26px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--other);
}

.event-editorial-main::after {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0;
  opacity: 0.14;
  pointer-events: none;
  background: repeating-linear-gradient(-45deg, transparent 0 3px, rgba(0, 0, 0, 0.16) 3px 4px);
}

.event-editorial-main > * {
  position: relative;
  z-index: 1;
}

.event-editorial-hero.ctf .event-editorial-main,
.event-editorial-hero.ctf .event-date-category { background-color: var(--ctf); }
.event-editorial-hero.hackathon .event-editorial-main,
.event-editorial-hero.hackathon .event-date-category { background-color: var(--hackathon); }
.event-editorial-hero.datathon .event-editorial-main,
.event-editorial-hero.datathon .event-date-category { background-color: var(--datathon); }
.event-editorial-hero.cp .event-editorial-main,
.event-editorial-hero.cp .event-date-category { background-color: var(--cp); }
.event-editorial-hero.business-case .event-editorial-main,
.event-editorial-hero.business-case .event-date-category { background-color: var(--business-case); }
.event-editorial-hero.fest .event-editorial-main,
.event-editorial-hero.fest .event-date-category { background-color: var(--fest); }
.event-editorial-hero.other .event-editorial-main,
.event-editorial-hero.other .event-date-category { background-color: var(--other); }

.event-hero-eyebrow {
  display: inline-flex;
  align-self: flex-start;
  margin-bottom: 8px;
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.event-editorial-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(42px, 5vw, 74px);
  font-weight: 900;
  letter-spacing: -3px;
  line-height: 0.98;
  overflow-wrap: anywhere;
}

.event-editorial-footer {
  margin-top: auto;
  padding-top: 28px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
}

.event-editorial-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-size: 13px;
  font-weight: 900;
}

.event-editorial-meta > span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.event-editorial-meta > span:not(:last-child)::after {
  content: "";
  display: inline-block;
  width: 3px;
  height: 3px;
  margin-left: 18px;
  border-radius: 50%;
  background: currentColor;
  flex-shrink: 0;
  opacity: 0.55;
}

.event-editorial-meta svg {
  width: 13px;
  height: 13px;
  flex-shrink: 0;
}

.event-hero-cta {
  flex: 0 0 auto;
  padding: 13px 18px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  font-size: 13px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.1s ease, color 0.1s ease, transform 0.1s ease;
}

.event-hero-cta:hover {
  background: var(--hover-bar);
  color: var(--ink);
  border-color: var(--line);
}

.event-hero-cta:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

/* Deadline Badges */
.deadline-badge.badge-urgent {
  color: #c2410c;
  font-weight: 900;
}

.deadline-badge.badge-upcoming {
  color: #0369a1;
  font-weight: 900;
}

.deadline-badge.badge-closed {
  color: #991b1b;
  font-weight: 900;
}

.deadline-badge.badge-open {
  color: #15803d;
  font-weight: 900;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .deadline-badge.badge-urgent { color: #fb923c; }
  :root:not([data-theme="light"]) .deadline-badge.badge-upcoming { color: #38bdf8; }
  :root:not([data-theme="light"]) .deadline-badge.badge-closed { color: #f87171; }
  :root:not([data-theme="light"]) .deadline-badge.badge-open { color: #4ade80; }
}

[data-theme="dark"] .deadline-badge.badge-urgent { color: #fb923c; }
[data-theme="dark"] .deadline-badge.badge-upcoming { color: #38bdf8; }
[data-theme="dark"] .deadline-badge.badge-closed { color: #f87171; }
[data-theme="dark"] .deadline-badge.badge-open { color: #4ade80; }

/* 2-Column Content Layout */
.event-main-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  flex: 0 0 auto;
  background: var(--paper);
  border-bottom: var(--border-width) solid var(--line);
}

.event-sidebar-column {
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.event-sidebar-cover {
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 0;
  overflow: hidden;
  border-bottom: var(--border-width) solid var(--line);
  background: var(--bg-muted);
}

.event-sidebar-cover img {
  width: 100%;
  height: 100%;
  max-height: none;
  display: block;
  object-fit: cover;
}

.event-content-body {
  padding: 32px 30px;
  border-right: var(--border-width) solid var(--line);
  background: var(--paper);
  flex: 1;
}

.event-section-title {
  margin: 0 0 18px;
  font-size: 17px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* Markdown Description Box */
.event-description-box {
  color: var(--ink);
  line-height: 1.65;
}

.markdown-h1 {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: -0.6px;
  margin: 28px 0 14px 0;
  padding-bottom: 8px;
  border-bottom: var(--border-thin) solid var(--line);
}

.markdown-h1:first-child {
  margin-top: 0;
}

.markdown-h2 {
  font-size: 19px;
  font-weight: 900;
  letter-spacing: -0.4px;
  margin: 24px 0 10px 0;
}

.markdown-h3 {
  font-size: 16px;
  font-weight: 800;
  margin: 18px 0 8px 0;
}

.markdown-p {
  font-size: 15px;
  margin: 0 0 14px 0;
  color: var(--ink);
}

.markdown-list {
  margin: 0 0 18px 0;
  padding-left: 24px;
}

.markdown-list li {
  margin-bottom: 6px;
  font-size: 15px;
  color: var(--ink);
}

.markdown-link {
  color: var(--ink);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* Action Sidebar (Flat, Clean, Unnested) */
.event-sidebar {
  padding: 0;
  background: var(--paper);
  display: flex;
  flex-direction: column;
  gap: 0;
  flex: 1;
}

.event-side-section {
  padding: 24px;
  border-bottom: var(--border-width) solid var(--line);
}

.event-side-section:last-child {
  border-bottom: 0;
}

.sidebar-title {
  margin: 0;
  font-size: 14px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 8px;
  border-bottom: var(--border-width) solid var(--line);
  color: var(--ink);
}

.event-organizer-card {
  margin-top: 16px;
  display: flex;
  align-items: center;
  gap: 13px;
}

.organizer-avatar {
  width: 52px;
  height: 52px;
  flex: 0 0 52px;
  display: grid;
  place-items: center;
  border: var(--border-thin) solid var(--line);
  border-radius: 50%;
  background: var(--bg-muted);
  color: var(--ink);
  font-size: 15px;
  font-weight: 900;
}

.event-organizer-card > div {
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.event-organizer-card strong {
  font-size: 14px;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.event-organizer-card div span {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 800;
}

.overview-section .sidebar-title {
  padding-bottom: 12px;
}

.overview-section .sidebar-details-list {
  gap: 22px;
  padding-top: 22px;
  padding-bottom: 6px;
}

.overview-section .sidebar-detail-item {
  gap: 7px;
}

.event-tags {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.event-tags span {
  padding: 5px 9px;
  border: var(--border-thin) solid var(--line);
  border-radius: 999px;
  background: var(--bg-muted);
  color: var(--ink);
  font-size: 10px;
  font-weight: 900;
}

.sidebar-details-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 8px 0;
}

.sidebar-detail-item {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.detail-label {
  font-size: 10.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-muted);
}

.detail-value {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.detail-value svg {
  width: 15px;
  height: 15px;
  flex-shrink: 0;
}

/* Calendar Export Group */
.calendar-export-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 22px;
}

.export-label {
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.export-buttons-row {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cal-export-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 12px;
  background: var(--paper);
  border: var(--border-thin) solid var(--line);
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
  text-decoration: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.1s ease, transform 0.1s ease, box-shadow 0.1s ease;
}

.cal-export-btn:hover {
  background: var(--hover-bar);
  transform: translateY(-1px);
}

.cal-export-btn:active {
  transform: translateY(1px);
}

/* Sticky Mobile Bottom Bar */
.mobile-sticky-bar {
  display: none;
}

@media (max-width: 768px) {
  .event-page-container.has-mobile-cta {
    padding-bottom: calc(76px + env(safe-area-inset-bottom));
  }

  .mobile-sticky-bar {
    display: flex;
    align-items: center;
    gap: 10px;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 16px calc(12px + env(safe-area-inset-bottom));
    background: var(--paper);
    border-top: var(--border-width) solid var(--line);
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.24);
    z-index: 99;
  }

  .mobile-sticky-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 0;
    padding: 12px;
    background: var(--ink);
    color: var(--paper);
    border: var(--border-width) solid var(--line);
    font-size: 14px;
    font-weight: 900;
    text-decoration: none;
    border-radius: 6px;
    box-shadow: 2px 2px 0 var(--line);
    transition: background 0.1s ease, color 0.1s ease;
  }

  .mobile-sticky-cta:hover {
    background: var(--hover-bar);
    color: var(--ink);
  }

  .mobile-share-btn {
    width: 46px;
    height: 46px;
    flex: 0 0 46px;
    display: grid;
    place-items: center;
    padding: 0;
    border: var(--border-width) solid var(--line);
    border-radius: 6px;
    background: var(--paper);
    color: var(--ink);
    cursor: pointer;
    transition: background 0.1s ease;
  }

  .mobile-share-btn:hover {
    background: var(--hover-bar);
  }

  .mobile-share-btn svg {
    width: 17px;
    height: 17px;
  }

  .mobile-share-full {
    width: 100%;
    cursor: pointer;
  }

  .toast-notice {
    right: 16px;
    bottom: calc(84px + env(safe-area-inset-bottom));
    left: 16px;
    text-align: center;
  }
}

/* Loading Skeleton */
.skeleton-box {
  background: linear-gradient(90deg, var(--bg-muted) 25%, var(--hover-bar) 50%, var(--bg-muted) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton-hero {
  height: 180px;
  margin-bottom: 24px;
}

.skeleton-text {
  height: 16px;
  margin-bottom: 12px;
}

.skeleton-text.short {
  width: 60%;
}

/* Toast Message */
.toast-notice {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--ink);
  color: var(--paper);
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 800;
  border: var(--border-width) solid var(--line);
  border-radius: 6px;
  box-shadow: 3px 3px 0 var(--line);
  z-index: 1000;
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Responsive Grid */
@media (max-width: 860px) {
  .event-editorial-hero {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .event-date-rail {
    display: none;
  }

  .event-editorial-main {
    min-height: 190px;
    padding: 28px 18px;
  }

  .event-editorial-title {
    font-size: clamp(30px, 9vw, 46px);
    letter-spacing: -1.5px;
    line-height: 1.04;
  }

  .event-editorial-footer {
    padding-top: 22px;
  }

  .event-editorial-meta {
    gap: 8px 14px;
    font-size: 12px;
  }

  .event-editorial-meta > span:not(:last-child)::after {
    margin-left: 8px;
  }

  .event-hero-cta {
    display: none;
  }

  .event-main-layout {
    grid-template-columns: 1fr;
  }

  .event-sidebar-column {
    display: contents;
  }

  .event-main-layout.has-cover .event-sidebar-cover {
    grid-row: 1;
    max-height: 320px;
  }

  .event-main-layout.has-cover .event-content-body {
    grid-row: 2;
  }

  .event-main-layout.has-cover .event-sidebar {
    grid-row: 3;
  }

  .event-content-body {
    border-right: 0;
    border-bottom: var(--border-width) solid var(--line);
    padding: 24px 18px;
  }

  .event-side-section {
    padding: 24px 18px;
  }
}

@media (max-width: 600px) {
  .event-nav-mark {
    width: 40px;
    height: 40px;
    flex-basis: 40px;
  }

  .event-nav-wordmark {
    font-size: 28px;
  }

  .event-nav-bar {
    grid-template-columns: 44px minmax(0, 1fr) 44px;
    padding: 8px;
    gap: 6px;
  }

  .back-link {
    width: 44px;
    height: 44px;
    padding: 0;
    justify-content: center;
    border: 0;
    border-radius: 50%;
    background: transparent;
    box-shadow: none;
    font-size: 24px;
  }

  .back-link:hover,
  .back-link:active {
    background: var(--hover-bar);
    box-shadow: none;
    transform: none;
  }

  .back-label,
  .nav-actions {
    display: none;
  }

  .event-sidebar {
    padding: 0;
  }
}

@media (max-width: 768px) {
  body:has(#eventDetailApp) {
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    padding-left: 6px;
    padding-right: 6px;
  }

  .event-page-container {
    min-height: 100vh;
    border-top: 0;
    border-bottom: 0;
    border-left: var(--border-width) solid var(--line);
    border-right: var(--border-width) solid var(--line);
  }

  #eventDetailApp {
    --event-burst-origin-x: 50%;
    --event-burst-origin-y: 28px;
    min-height: 100vh;
  }

  #eventDetailApp::before,
  #eventDetailApp::after {
    display: block;
    opacity: 0.85;
  }
}

@media (prefers-reduced-motion: reduce) {
  .skeleton-box,
  .toast-notice {
    animation: none;
  }
}