/* ═══════════════════════════════════════════════════════
   INVENIO 2026 – Events Page Stylesheet
   Extends home.css + gallery.css tokens
   ═══════════════════════════════════════════════════════ */

.inline-link { color: var(--color-accent-cyan); text-decoration: underline; text-underline-offset: 3px; }
.inline-link:hover { color: var(--color-accent-light); }

.events-filter-bar { padding-top: .5rem; padding-bottom: 1.5rem; }

/* ═══════════════════════ EVENT CARDS GRID ═══════════════════════ */
.ev-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
  padding-bottom: 2rem;
}
@media (max-width: 980px) { .ev-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 620px) { .ev-grid { grid-template-columns: 1fr; } }

.ev-card {
  position: relative;
  padding: 0;
  border-radius: 18px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
  opacity: 0;
  transform: translateY(20px);
}
.ev-card.revealed { animation: evCardRise .6s var(--ease-smooth) forwards; }
@keyframes evCardRise { to { opacity: 1; transform: translateY(0); } }

.ev-card:hover,
.ev-card:focus-visible {
  transform: translateY(-6px);
  border-color: var(--color-accent-cyan);
  box-shadow: var(--glow-cyan);
}
.ev-card:focus-visible { outline: 2px solid var(--color-accent-cyan); outline-offset: 3px; }

.ev-card__image {
  aspect-ratio: 1 / 1.41;
  background-size: cover;
  background-position: center;
  background-color: var(--color-bg-deep);
}

/* ── Fallback shown when an event's poster image fails to load ── */
.ev-img-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 1.2rem;
  background: linear-gradient(160deg, rgba(124, 111, 255, 0.16), rgba(5, 4, 12, 0.9));
}
.ev-img-fallback__label {
  font-family: var(--font-mono);
  font-size: .82rem;
  letter-spacing: .04em;
  color: var(--color-accent-cyan);
  opacity: .85;
}

.ev-card__body {
  padding: 1.35rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .55rem;
  flex-grow: 1;
}


.ev-card__badge {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .7rem;
  border-radius: 999px;
  color: var(--color-accent-cyan);
  background: rgba(124, 111, 255, 0.12);
  border: 1px solid rgba(124, 111, 255, 0.3);
}

.ev-card__body h3 {
  font-family: var(--font-display);
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--color-text-primary);
}

.ev-card__meta {
  display: flex; gap: 1rem; flex-wrap: wrap;
  font-size: .78rem; color: var(--color-text-muted); font-family: var(--font-mono);
}

.ev-card__cta {
  margin-top: auto;
  padding-top: .3rem;
  font-size: .82rem; font-weight: 600; letter-spacing: .03em; text-transform: uppercase;
  color: var(--color-accent-cyan);
  transition: color var(--transition-fast);
}
.ev-card:hover .ev-card__cta,
.ev-card:focus-visible .ev-card__cta { color: var(--color-accent-light); }

/* ═══════════════════ EMPTY STATE (filters with no events yet) ═══════════════════ */
.ev-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.4rem;
  padding: 3rem 1.5rem 4rem;
  text-align: center;
}

.ev-empty__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  padding: .55rem 1.4rem;
  border-radius: 999px;
  color: var(--color-accent-cyan);
  background: rgba(124, 111, 255, 0.14);
  border: 1px solid rgba(124, 111, 255, 0.45);
  box-shadow: 0 0 22px rgba(124, 111, 255, 0.25);
}

.ev-empty__msg {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-accent-cyan);
  background: rgba(124, 111, 255, 0.08);
  border: 1px solid rgba(124, 111, 255, 0.3);
  border-radius: 999px;
  padding: 1.1rem 2.4rem;
  box-shadow: 0 0 30px rgba(124, 111, 255, 0.18);
}

/* ═══════════════════════ EVENT DETAIL MODAL ═══════════════════════
   Opens centered on screen (not a side drawer) — a portrait-friendly
   image column alongside the details and a registration form. */
.ev-drawer-overlay {
  position: fixed;
  inset: 0;
  z-index: 90;
  background: rgba(5, 4, 12, 0.78);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-med), visibility var(--transition-med);
}
.ev-drawer-overlay.is-open { opacity: 1; visibility: visible; }

.ev-drawer {
  position: fixed;
  top: 50%;
  left: 50%;
  width: min(940px, calc(100% - 48px));
  max-height: 88vh;
  z-index: 91;
  border-radius: 22px;
  overflow: hidden;
  background: var(--color-bg-mid);
  border: 1px solid var(--glass-border);
  box-shadow: 0 40px 100px -20px rgba(0, 0, 0, 0.7);
  opacity: 0;
  visibility: hidden;
  transform: translate(-50%, -50%) scale(0.94);
  transition: opacity var(--transition-med), transform var(--transition-med), visibility var(--transition-med);
}
.ev-drawer.is-open { opacity: 1; visibility: visible; transform: translate(-50%, -50%) scale(1); }

.ev-drawer__close {
  position: absolute;
  top: 1rem; right: 1rem;
  z-index: 5;
  width: 38px; height: 38px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  background: rgba(5, 4, 12, 0.6);
  border: 1px solid var(--glass-border);
  color: var(--color-text-primary);
  font-size: 1.3rem;
  line-height: 1;
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}
.ev-drawer__close:hover { background: var(--color-accent-cyan); border-color: transparent; transform: rotate(90deg); }

.ev-drawer__layout {
  display: flex;
  max-height: 88vh;
}

/* Image column — sized for tall/portrait posters, fills the full
   height of the modal on desktop instead of being squashed to 16:9 */
.ev-drawer__image {
  flex: 0 0 38%;
  background-size: cover;
  background-position: center;
  background-color: var(--color-bg-deep);
}

.ev-drawer__content {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
  padding: 1.8rem 2rem 2.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
}

.ev-drawer__badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  padding: .3rem .7rem;
  border-radius: 999px;
  color: var(--color-accent-cyan);
  background: rgba(124, 111, 255, 0.12);
  border: 1px solid rgba(124, 111, 255, 0.3);
  margin-bottom: .8rem;
}

.ev-drawer__body h2 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-text-primary);
  letter-spacing: .01em;
  margin-bottom: .8rem;
}

.ev-drawer__desc {
  color: var(--color-text-muted);
  font-size: .95rem;
  line-height: 1.65;
  margin-bottom: 1.6rem;
}

.ev-drawer__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.2rem 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--glass-border);
}
.ev-drawer__detail { display: flex; flex-direction: column; gap: .3rem; }
.ev-drawer__detail-label {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.ev-drawer__detail-value {
  font-size: .92rem;
  color: var(--color-text-primary);
  font-weight: 500;
}

/* ── Coming Soon state — shown instead of details for events not
   finalized yet (data-status="coming-soon" on the card) ── */
.ev-coming-soon {
  text-align: center;
  padding: 2.2rem 1rem 0.6rem;
  border-top: 1px solid var(--glass-border);
  margin-top: 1.4rem;
}
.ev-coming-soon__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  margin-bottom: 1rem;
  font-size: 1.4rem;
  background: rgba(124, 111, 255, 0.14);
  border: 1px solid rgba(124, 111, 255, 0.4);
}
.ev-coming-soon h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-text-primary);
  margin-bottom: .6rem;
}
.ev-coming-soon p {
  color: var(--color-text-muted);
  font-size: .9rem;
  line-height: 1.65;
  max-width: 380px;
  margin: 0 auto;
}
.ev-coming-soon__thanks {
  margin-top: .8rem;
  color: var(--color-accent-cyan) !important;
  font-weight: 600;
}

/* ── "Coming Soon" ribbon on the card itself, in the grid ── */
.ev-card__soon-ribbon {
  position: absolute;
  top: 12px;
  right: -32px;
  z-index: 2;
  transform: rotate(35deg);
  background: linear-gradient(90deg, var(--color-accent-purple), var(--color-accent-cyan));
  color: var(--color-bg-deep);
  font-family: var(--font-mono);
  font-size: .62rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .3rem 2.4rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.35);
  pointer-events: none;
}

/* ── Registration — two boxes side by side:
   left = IISER Berhampur students, right = outside college students.
   The right box is only shown when the card provides data-register-outside. ── */
.ev-reg-ctas {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  padding-top: 1.6rem;
  border-top: 1px solid var(--glass-border);
}

.ev-reg-cta {
  flex: 1 1 220px;
  min-width: 220px;
  display: flex;
  flex-direction: column;
  gap: .9rem;
}

.ev-reg-cta--outside {
  padding-left: 1.2rem;
  border-left: 1px solid var(--glass-border);
}

.ev-reg-cta__title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  color: var(--color-text-primary);
  letter-spacing: .01em;
}

.ev-reg-cta__button {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .85rem 1.6rem;
  border-radius: 12px;
  font-family: var(--font-mono);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--color-bg-deep);
  background: linear-gradient(90deg, var(--color-accent-cyan), var(--color-accent-purple));
  box-shadow: var(--glow-cyan);
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}
.ev-reg-cta__button:hover { transform: translateY(-2px); }
.ev-reg-cta__button:active { transform: translateY(0); }

.ev-reg-cta__hint {
  font-size: .8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}
.ev-reg-cta__hint code {
  font-family: var(--font-mono);
  font-size: .78rem;
  color: var(--color-accent-cyan);
  background: rgba(124, 111, 255, 0.1);
  padding: .1rem .35rem;
  border-radius: 4px;
}

body.ev-drawer-open { overflow: hidden; }

@media (max-width: 760px) {
  .ev-drawer { max-height: 92vh; border-radius: 18px; }
  .ev-drawer__layout { flex-direction: column; max-height: 92vh; overflow-y: auto; }
  .ev-drawer__image { flex: none; width: 100%; aspect-ratio: 3 / 4; max-height: 42vh; }
  .ev-drawer__content { overflow-y: visible; padding: 1.5rem 1.4rem 2rem; }
  .ev-drawer__details { grid-template-columns: 1fr 1fr; }
  .ev-reg-ctas { flex-direction: column; }
  .ev-reg-cta--outside { padding-left: 0; border-left: none; padding-top: 1.2rem; border-top: 1px solid var(--glass-border); }
}