/* Custom CSS for 2. Studentská konference projektového řízení PMI v ČR */

@layer utilities {
  /* Smooth backdrop filters */
  .glass-card {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
  }
}

/* Custom Mystery Card styling & glow */
.mystery-card {
  position: relative;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.mystery-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 25px -5px rgba(0, 115, 184, 0.1), 0 8px 10px -6px rgba(0, 115, 184, 0.05);
}

.mystery-card::after {
  content: '';
  position: absolute;
  inset: -1px;
  border-radius: 1rem;
  padding: 1px;
  background: linear-gradient(135deg, rgba(0, 115, 184, 0.2), rgba(0, 101, 56, 0.15), rgba(215, 12, 15, 0.15));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.mystery-card:hover::after {
  opacity: 1;
}

/* Smooth Accordion transition */
.faq-item {
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item.active {
  border-color: #0073B8;
  box-shadow: 0 4px 14px -2px rgba(0, 115, 184, 0.08);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
  color: #0073B8;
}

.faq-item.active .faq-question {
  color: #0073B8;
}

/* Custom subtle scrollbar */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #F1F5F9;
}

::-webkit-scrollbar-thumb {
  background: #CBD5E1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94A3B8;
}

/* Header shadow effect on scroll */
#main-header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
}

/* Active navigation link indicator */
.nav-link.active {
  color: #0073B8;
  font-weight: 600;
  position: relative;
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background-color: #0073B8;
  border-radius: 9999px;
}

/* Photo gallery zoom on hover */
.gallery-item img {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.gallery-item:hover img {
  transform: scale(1.06);
}

/* Registration Wizard & Ticket Card Transitions */
.ticket-option-card {
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.ticket-option-card:hover {
  transform: translateY(-2px);
}

/* Print Styles for Registration Ticket & QR Confirmation */
@media print {
  body * {
    visibility: hidden;
  }
  #registration-modal,
  #registration-modal #wizard-step-3,
  #registration-modal #wizard-step-3 * {
    visibility: visible;
  }
  #registration-modal {
    position: absolute;
    inset: 0;
    background: white !important;
    padding: 0 !important;
    display: block !important;
  }
  #registration-modal .relative {
    box-shadow: none !important;
    border: none !important;
    max-width: 100% !important;
    width: 100% !important;
  }
  #registration-modal #reg-modal-close-btn,
  #registration-modal .step-nav-item,
  #registration-modal .step-divider-1,
  #registration-modal .step-divider-2,
  #registration-modal #btn-print-summary,
  #registration-modal #btn-finish-modal {
    display: none !important;
  }
}