.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;
}

html[data-theme="light"]{
  --t-bg: #f7f9fc;
  --t-card: #ffffff;
  --t-text: #111;
  --t-sub: #5b6472;
  --t-line: rgba(0,0,0,0.10);
  --t-shadow: 0 10px 28px rgba(0,0,0,0.14);
  --t-shadow2: 0 18px 44px rgba(0,0,0,0.20);
}

html[data-theme="dark"]{
  --t-bg: #0b0f17;
  --t-card: #111827;
  --t-text: #f3f4f6;
  --t-sub: #a7b0c0;
  --t-line: rgba(255,255,255,0.12);
  --t-shadow: 0 10px 28px rgba(0,0,0,0.55);
  --t-shadow2: 0 18px 44px rgba(0,0,0,0.70);
}

body{ background: var(--t-bg); color: var(--t-text); }

html[data-theme="dark"] .nav-bar{
  background: rgba(17,24,39,0.85);
  border-bottom: 1px solid var(--t-line);
  backdrop-filter: blur(16px);
}
html[data-theme="dark"] .nav-links a{
  background: rgba(255,255,255,0.08);
  color: var(--t-text);
}
html[data-theme="dark"] .nav-links a:hover{ background: rgba(255,255,255,0.12); }
html[data-theme="dark"] .mobile-menu{
  background: rgba(17,24,39,0.85);
  border-left: 1px solid var(--t-line);
}
html[data-theme="dark"] .mobile-menu a{ color: var(--t-text); }

.nav-tools{ display:flex; align-items:center; gap:12px; }
.theme-toggle{
  display:inline-flex; align-items:center; gap:10px;
  border: 1px solid var(--t-line);
  background: var(--t-card);
  color: var(--t-text);
  padding: 10px 14px;
  border-radius: 999px;
  cursor:pointer;
  font-weight: 800;
  box-shadow: 0 8px 18px rgba(0,0,0,0.08);
  transition: transform .15s ease, opacity .15s ease, box-shadow .15s ease;
}
.theme-toggle:hover{
  transform: translateY(-1px);
  opacity: .95;
  box-shadow: 0 12px 24px rgba(0,0,0,0.12);
}
.theme-toggle__icon{ width: 22px; text-align:center; font-weight:900; }

.events-page{
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 16px 70px;
}

.events-section{ padding-top: 18px; }

.events-head{
  text-align: center;
  margin: 60px auto 18px;
  max-width: 820px;
}
.events-head h1{
  font-size: clamp(34px, 6vw, 56px);
  font-weight: 900;
}
.events-head p{
  margin-top: 12px;
  color: var(--t-sub);
  font-weight: 700;
  line-height: 1.55;
}

.events-toolbar{
  margin: 18px auto 18px;
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 12px;
  flex-wrap: wrap;
}

.filters{
  display:flex;
  gap:10px;
  flex-wrap: wrap;
  justify-content:center;
}

.filter-btn{
  padding: 8px 14px;
  border: none;
  border-radius: 999px;
  background: rgba(0,0,0,0.06);
  cursor: pointer;
  font-weight: 900;
  color: var(--t-text);
}
html[data-theme="dark"] .filter-btn{ background: rgba(255,255,255,0.08); }
.filter-btn.active{
  background: #111;
  color: #fff;
}
html[data-theme="dark"] .filter-btn.active{
  background: #fff;
  color: #111;
}

.right-tools{
  display:flex;
  gap:10px;
  flex-wrap: wrap;
  align-items:center;
  justify-content:center;
}

.select-wrap select,
.search-wrap input{
  background: var(--t-card);
  color: var(--t-text);
  border: 1px solid var(--t-line);
  border-radius: 12px;
  padding: 10px 12px;
  font-weight: 800;
  outline: none;
}

.search-wrap input{
  width: min(280px, 70vw);
}

.btn-outline{
  background: var(--t-card);
  color: var(--t-text);
  border: 1px solid rgba(0,0,0,0.14);
  border-radius: 12px;
  padding: 10px 14px;
  font-weight: 900;
  cursor:pointer;
  transition: transform .15s ease, opacity .15s ease;
}
html[data-theme="dark"] .btn-outline{ border-color: var(--t-line); }
.btn-outline:hover{ transform: translateY(-1px); opacity: .92; }

.events-grid{
  display:grid;
  gap: 18px;
  grid-template-columns: repeat(4, 1fr);
  align-items: start;
}
@media (max-width: 1200px){ .events-grid{ grid-template-columns: repeat(3, 1fr);} }
@media (max-width: 900px){ .events-grid{ grid-template-columns: repeat(2, 1fr);} }
@media (max-width: 600px){ .events-grid{ grid-template-columns: 1fr;} }

.event-card{
  width: 100%;
  background: var(--t-card);
  border: 1px solid var(--t-line);
  border-radius: 18px;
  overflow:hidden;
  box-shadow: var(--t-shadow);
  transition: transform .25s ease, box-shadow .25s ease;
  cursor: pointer;
}
.event-card:hover{
  transform: translateY(-6px);
  box-shadow: var(--t-shadow2);
}

.event-img{
  width:100%;
  height: 200px;
  object-fit: cover;
  display:block;
}

.event-content{
  padding: 14px;
  display:flex;
  flex-direction: column;
  gap: 8px;
}

.event-date{
  color: var(--t-sub);
  font-weight: 900;
  font-size: 12px;
}

.event-title{
  font-weight: 900;
  font-size: 16px;
}

.event-location{
  font-weight: 800;
  font-size: 13px;
  color: var(--t-text);
  opacity: .9;
}

.event-status{
  display:inline-flex;
  width: fit-content;
  text-transform: capitalize;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  color: #fff;
}
.event-status.upcoming{ background:#2ecc71; }
.event-status.now{ background:#f39c12; }
.event-status.past{ background:#e74c3c; }

.event-tags{
  display:flex;
  gap: 6px;
  flex-wrap: wrap;
}
.event-tags span{
  background: rgba(65,105,225,0.10);
  border: 1px solid rgba(65,105,225,0.18);
  color: #1d3ea8;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  font-weight: 900;
}
html[data-theme="dark"] .event-tags span{
  background: rgba(65,105,225,0.18);
  border-color: rgba(65,105,225,0.28);
  color: #cfe0ff;
}

.event-desc{
  color: var(--t-sub);
  font-size: 13px;
  line-height: 1.55;
  overflow: hidden;
  max-height: 3.8em;
  transition: max-height .35s ease;
}
.event-card.expanded .event-desc{
  max-height: 600px;
}

.event-actions{
  display:flex;
  justify-content: space-between;
  align-items:center;
  gap: 10px;
  border-top: 1px solid var(--t-line);
  padding-top: 12px;
  color: var(--t-sub);
  font-weight: 900;
  font-size: 12px;
}

.events-foot{ margin-top: 12px; }
.hint{
  text-align:center;
  color: var(--t-sub);
  font-weight: 800;
}

.modal{ position:fixed; inset:0; z-index: 2500; display:none; }
.modal.open{ display:block; }

.modal__overlay{
  position:absolute; inset:0;
  background: rgba(0,0,0,0.55);
  backdrop-filter: blur(8px);
}

.modal__panel{
  position:relative;
  width: calc(100% - 24px);
  max-width: 1100px;
  margin: 6vh auto 0;
  background: var(--t-card);
  border: 1px solid var(--t-line);
  border-radius: 18px;
  box-shadow: 0 28px 90px rgba(0,0,0,0.35);
  padding: 16px;
}

.modal__head{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  gap: 14px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--t-line);
}
.modal__head h3{ font-size: 22px; font-weight: 900; }
.modal__sub{ margin-top: 6px; color: var(--t-sub); font-weight: 800; }

.modal__close{
  border:none;
  background:#111;
  color:#fff;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  cursor:pointer;
  font-weight: 900;
}
html[data-theme="dark"] .modal__close{ background:#fff; color:#111; }

.modal__tools{
  margin-top: 12px;
  display:flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items:center;
}

.events-grid--archive{ margin-top: 16px; }

.pager{
  display:flex;
  justify-content:center;
  align-items:center;
  gap: 12px;
  margin-top: 14px;
}
.pager__info{ font-weight: 900; color: var(--t-text); }