:root {
  --bg: #08111f;
  --panel: #10213a;
  --panel-2: #142c4c;
  --text: #f7f8fb;
  --muted: #adc0d6;
  --accent: #f4b942;
  --accent-2: #4bb7a6;
  --border: rgba(255, 255, 255, 0.12);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Inter', sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #06101d 0%, #091425 100%);
  line-height: 1.6;
  overflow-x: hidden;
}

body.menu-open {
  overflow: hidden;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.menu-toggle {
  position: fixed;
  top: 62px;
  left: 18px;
  z-index: 1003;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(8, 17, 31, 0.9);
  color: var(--text);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
}

.menu-overlay {
  position: fixed;
  inset: 0;
  background: rgba(2, 8, 18, 0.55);
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 180ms ease;
  z-index: 1002;
}

.menu-overlay.open {
  opacity: 1;
  visibility: visible;
}

.side-menu {
  position: fixed;
  top: 0;
  left: 0;
  width: min(88vw, 320px);
  height: 100vh;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  background: linear-gradient(180deg, rgba(16, 33, 58, 0.98), rgba(6, 15, 26, 0.98));
  border-right: 1px solid var(--border);
  box-shadow: var(--shadow);
  transform: translateX(-100%);
  transition: transform 220ms ease;
  z-index: 1004;
  overflow-y: auto;
}

.side-menu.open {
  transform: translateX(0);
}

.side-menu-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.side-menu-header h2 {
  margin: 0;
  font-size: 1.2rem;
}

.menu-close {
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 1.6rem;
  cursor: pointer;
  line-height: 1;
}

.side-menu-search input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.06);
  color: var(--text);
}

.menu-categories {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.menu-filter-chip {
  width: 100%;
  text-align: left;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
}

.menu-parent-chip {
  font-weight: 700;
}

.menu-submenu {
  display: none;
  flex-direction: column;
  gap: 8px;
  margin: 4px 0 8px 10px;
  position: relative;
  z-index: 1005;
}

.menu-submenu.open {
  display: flex;
}

.menu-filter-chip.active {
  background: var(--accent);
  color: #111;
  border-color: var(--accent);
}

.menu-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: auto;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

.menu-links a {
  color: var(--muted);
}

.menu-links a:hover {
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

.hero {
  padding: 24px 24px 64px;
  background: linear-gradient(120deg, rgba(16, 33, 58, 0.95), rgba(6, 15, 26, 0.95)),
    url('https://images.unsplash.com/photo-1500375592092-40eb2168fd21?auto=format&fit=crop&w=1400&q=80') center/cover;
}

.top-nav {
  max-width: 1180px;
  margin: 0 auto 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.nav-links {
  display: flex;
  gap: 20px;
  color: var(--muted);
  align-items: center;
  flex-wrap: wrap;
}

.submit-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(244, 185, 66, 0.16);
  color: var(--accent);
  font-weight: 700;
  border: 1px solid rgba(244, 185, 66, 0.28);
}

.hero-content {
  max-width: 1180px;
  margin: 0 auto;
  display: grid;
  gap: 24px;
  grid-template-columns: 1.6fr 0.8fr;
  align-items: center;
}

.hero-copy h1 {
  font-size: clamp(2.2rem, 4vw, 3.8rem);
  line-height: 1.08;
  margin: 0 0 16px;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 8px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.2em;
  font-size: 0.8rem;
  font-weight: 700;
}

.lead {
  font-size: 1.05rem;
  color: var(--muted);
  margin: 0 0 24px;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 999px;
  font-weight: 600;
  transition: transform 180ms ease, background 180ms ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-primary {
  background: var(--accent);
  color: #111;
}

.btn-secondary {
  background: rgba(255,255,255,0.12);
  color: var(--text);
}

.hero-card,
.about-card,
article,
.event-card {
  background: rgba(16, 33, 58, 0.86);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.hero-card {
  padding: 24px;
}

.hero-card h2 {
  margin-top: 0;
}

.hero-card ul {
  padding-left: 18px;
  color: var(--muted);
}

main {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

.filters,
.highlights,
.about {
  margin-bottom: 40px;
}

.section-heading h2 {
  margin: 0 0 12px;
  font-size: 1.8rem;
}

.filter-bar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.filter-chip {
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.filter-chip.active {
  background: var(--accent);
  color: #111;
  border-color: var(--accent);
}

.search-row input {
  width: 100%;
  max-width: 460px;
  padding: 12px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #0c1729;
  color: var(--text);
}

.event-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 20px;
}

.event-card {
  padding: 8px 10px;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 8px;
}

.event-card.hide {
  display: none;
}

.event-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.event-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px;
}

.detail-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 2px 8px;
  padding: 4px 5px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.detail-row.full-width {
  grid-column: 1 / -1;
}

.detail-label {
  color: var(--accent);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  flex-shrink: 0;
  line-height: 1.3;
}

.detail-value {
  color: var(--text);
  font-size: 0.86rem;
  text-align: left;
  word-break: break-word;
  line-height: 1.35;
  flex: 1 1 140px;
  min-width: 0;
}

.detail-link {
  color: #8fd8f3;
  text-decoration: underline;
}

.date-stack {
  width: 54px;
  min-width: 54px;
  padding: 6px 4px;
  border-radius: 10px;
  background: rgba(244, 185, 66, 0.14);
  border: 1px solid rgba(244, 185, 66, 0.25);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  text-align: center;
  color: var(--accent);
  flex-shrink: 0;
}

.date-stack-day {
  font-size: 1rem;
  font-weight: 800;
  line-height: 1;
}

.date-stack-month {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.date-stack-year {
  font-size: 0.68rem;
  opacity: 0.85;
}

.event-image {
  width: 78px;
  min-height: 78px;
  border-radius: 10px;
  background-size: cover;
  background-position: center;
  border: 1px solid rgba(255, 255, 255, 0.12);
  flex-shrink: 0;
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.category {
  display: inline-flex;
  align-items: center;
  background: rgba(75, 183, 166, 0.18);
  color: #79e0d0;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
}

.date-pill {
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
}

.event-card h3 {
  margin: 0;
  font-size: 1.15rem;
}

.event-card p {
  margin: 0;
  color: var(--muted);
}

.meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
  font-size: 0.92rem;
  margin-top: auto;
}

.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

article {
  padding: 22px;
}

.about-card {
  padding: 28px;
  max-width: 760px;
}

.submission-page {
  min-height: 100vh;
  padding: 40px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.submission-card {
  width: min(100%, 820px);
}

.submission-form {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.submission-form label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-weight: 600;
}

.submission-form input,
.submission-form select,
.submission-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  font: inherit;
}

.submission-form textarea {
  min-height: 110px;
  resize: vertical;
}

.submission-feedback {
  margin-top: 16px;
  min-height: 28px;
}

.success {
  color: #88f1cc;
  font-weight: 600;
}

.error {
  color: #ffb3b3;
  font-weight: 600;
}

.submission-note {
  margin-top: 16px;
}

.approval-panel {
  margin-top: 24px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.pending-approvals {
  display: grid;
  gap: 12px;
  margin-top: 12px;
}

.pending-item {
  padding: 14px;
  border-radius: 14px;
  background: rgba(8, 17, 31, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.pending-item button {
  margin-top: 8px;
}

footer {
  padding: 20px 24px 40px;
  text-align: center;
  color: var(--muted);
}

.calendar-hero {
  padding-bottom: 40px;
}

.calendar-hero-content {
  grid-template-columns: 1fr;
}

.calendar-section {
  margin: 0 auto 40px;
  max-width: 1180px;
  padding: 0 24px 24px;
}

.calendar-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.calendar-toolbar h2 {
  margin: 0;
  font-size: 1.6rem;
}

.calendar-nav-btn {
  border: 1px solid var(--border);
  background: rgba(16, 33, 58, 0.86);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.calendar-sheet {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.calendar-weekday,
.calendar-month-label,
.calendar-day-button {
  border: 1px solid var(--border);
  border-radius: 16px;
  background: rgba(16, 33, 58, 0.86);
  box-shadow: var(--shadow);
}

.calendar-weekday,
.calendar-month-label {
  padding: 10px 12px;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
}

.calendar-month-label {
  grid-column: 1 / -1;
  margin-top: 6px;
}

.calendar-day-button {
  min-height: 96px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  text-align: left;
  color: var(--text);
  cursor: pointer;
}

.calendar-day-button:hover {
  transform: translateY(-1px);
  border-color: rgba(244, 185, 66, 0.45);
}

.calendar-day-button.active {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px rgba(244, 185, 66, 0.2) inset;
}

.calendar-day-number {
  font-weight: 700;
  color: var(--text);
}

.calendar-day-count {
  font-size: 0.8rem;
  color: var(--muted);
}

.calendar-day-button.has-events {
  border-color: rgba(244, 185, 66, 0.45);
}

.calendar-details {
  margin-top: 16px;
  padding: 18px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: rgba(16, 33, 58, 0.86);
  box-shadow: var(--shadow);
}

.calendar-details-placeholder {
  margin: 0;
  color: var(--muted);
}

.calendar-details-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.calendar-details-item {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.calendar-details-item strong {
  display: block;
  color: var(--text);
  margin-bottom: 4px;
}

.calendar-details-item span {
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 900px) {
  .hero-content,
  .highlight-grid {
    grid-template-columns: 1fr;
  }
}

/* Image Lightbox Modal */
.image-lightbox {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms ease, visibility 200ms ease;
}

.image-lightbox.open {
  display: flex;
  opacity: 1;
  visibility: visible;
}

.image-lightbox-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: -1;
}

.image-lightbox-content {
  position: relative;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: lightboxFadeIn 200ms ease;
}

.image-lightbox-image {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  border-radius: 12px;
  object-fit: contain;
}

.image-lightbox-close {
  position: absolute;
  top: -40px;
  right: 0;
  width: 40px;
  height: 40px;
  border: none;
  background: rgba(255, 255, 255, 0.12);
  color: var(--text);
  font-size: 1.8rem;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 180ms ease;
}

.image-lightbox-close:hover {
  background: rgba(255, 255, 255, 0.2);
}

@keyframes lightboxFadeIn {
  from {
    transform: scale(0.95);
    opacity: 0;
  }
  to {
    transform: scale(1);
    opacity: 1;
  }
}

.event-image {
  cursor: pointer;
  transition: transform 180ms ease, filter 180ms ease;
}

.event-image:hover {
  transform: scale(1.05);
  filter: brightness(1.1);
}

body.lightbox-open {
  overflow: hidden;
}

@media (max-width: 640px) {
  .hero {
    padding: 18px 16px 40px;
  }

  .top-nav {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  main {
    padding: 16px;
  }

  .event-card {
    flex-direction: column;
  }

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

  .date-stack {
    width: 100%;
    min-height: 54px;
    flex-direction: row;
    justify-content: center;
    gap: 6px;
  }

  .event-image {
    width: 100%;
    min-height: 100px;
  }

  .image-lightbox-close {
    top: 10px;
    right: 10px;
    width: 36px;
    height: 36px;
    font-size: 1.6rem;
  }
}