.modal {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  justify-content: center;
  align-items: center;
  z-index: 2000;
}

.modal-content {
  background: #fff;
  padding: 20px;
  border-radius: 10px;
  max-width: 400px;
  width: 100%;
}

.close {
  float: right;
  cursor: pointer;
  font-size: 20px;
}

#checkModal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  justify-content: center;
  align-items: flex-start;
  overflow-y: auto;
}

#check-content {
  background: #fff;
  padding: 30px;
  margin-top: 20px;
  max-width: 800px;
  width: 100%;
  box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

/* 🔥 Правила только для печати */
@media print {
  body * { visibility: hidden; }
  #check-content, #check-content * { visibility: visible; }
  #check-content {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    box-shadow: none;
  }
}
/* CSS для методички */

.metodal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
}

.metodal-window {
  background: #fff;
  color: #000;
  padding: 25px;
  border-radius: 10px;
  width: 400px;
  max-width: 90%;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.metodal-window textarea,
.metodal-window input {
  width: 100%;
  padding: 8px;
  border-radius: 6px;
  border: 1px solid #ccc;
}


/* === Просмотр методичек === */
.viewer {
  background: rgba(0,0,0,0.8);
  justify-content: center;
  align-items: center;
  z-index: 10000;
}

.viewer-window {
  position: relative;
  width: 80%;
  max-width: 800px;
  min-height: 500px;
  color: #fff;
  padding: 40px;
  border-radius: 16px;
  box-shadow: 0 0 40px rgba(0,0,0,0.5);
  transition: background 0.3s ease;
}

.viewer-content h2 {
  margin-top: 0;
  font-size: 1.8rem;
}

.viewer-content ul {
  margin-left: 20px;
}

/* === Анимации слайдов === */
.viewer-window {
  opacity: 0;
  transform: scale(0.97);
  transition: all 0.35s ease;
}

.viewer-window.show {
  opacity: 1;
  transform: scale(1);
}

.viewer-content {
  animation: fadeIn 0.4s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}


.close-btn, .nav-btn {
  position: absolute;
  background: rgba(255,255,255,0.2);
  border: none;
  color: #fff;
  font-size: 1.2rem;
  cursor: pointer;
  padding: 8px 12px;
  border-radius: 8px;
}

.close-btn { top: 10px; right: 10px; }
.nav-btn.prev { top: 50%; left: 10px; transform: translateY(-50%); }
.nav-btn.next { top: 50%; right: 10px; transform: translateY(-50%); }