/* Ogólne style */
body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #fff;
    color: #333;
}

/* Header */
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #6C81E0;
    color: #fff;
    padding: 10px 20px;
    position: relative;
}
.header-left {
    flex: 0 0 auto;
    margin-left: 20px;
}
.header-left .logo {
    height: 70px;
}
.header-center {
    flex: 1;
    text-align: center;
    position: relative;
}
#search-input {
    width: 100%;
    max-width: 400px;
    padding: 12px 15px;
    border: 1px solid #ccc;
    border-radius: 20px;
    outline: none;
    font-size: 16px;
}
.search-results {
    position: absolute;
    top: calc(100% + 5px);
    left: 0;
    width: 100%;
    background-color: #fff;
    border: 1px solid #ccc;
    z-index: 999;
    max-height: 300px;
    overflow-y: auto;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
    margin: 0;
    padding: 0;
}
#search-results:empty {
    display: none !important;
}
.search-suggestions {
    list-style: none;
    margin: 0;
    padding: 0;
}
.search-suggestions li {
    margin: 0;
    padding: 0;
}
.search-suggestions li a {
    display: flex;
    align-items: center;
    padding: 8px 10px;
    text-decoration: none;
    color: #333;
    border-bottom: 1px solid #eee;
}
.search-suggestions li a:last-child {
    border-bottom: none;
}
.search-cover {
    width: 40px;
    height: 40px;
    border: 1px solid #ccc;
    border-radius: 3px;
    object-fit: cover;
    margin-right: 10px;
}
.search-info {
    display: flex;
    flex-direction: column;
}
.search-title {
    font-weight: bold;
    font-size: 14px;
    color: #000;
}
.search-author {
    font-size: 12px;
    color: #666;
    margin-top: 2px;
}
.no-results {
    padding: 8px 10px;
    margin: 0;
    color: #666;
}

/* Elementy po prawej */
.header-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 15px;
    margin-right: 20px;
}
.header-right a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
}
.hamburger {
    font-size: 24px;
    cursor: pointer;
}
.cart-link {
    display: inline-block;
    margin-left: 15px;
}
.cart-icon {
    width: 24px;
    height: 24px;
}

/* Mobile Menu Overlay */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: none;  /* domyślnie ukryte */
    z-index: 1500;
}
.mobile-menu.open {
    display: block;
}
.mobile-menu-overlay {
    width: 100%;
    height: 100%;
    background-color: rgba(108, 129, 224, 0.95); /* #6C81E0 z przezroczystością */
    display: flex;
    flex-direction: column;
    padding: 20px;
    box-sizing: border-box;
}
.mobile-menu-close {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 28px;
    color: #fff;
    cursor: pointer;
    margin-bottom: 10px;
}
.mobile-menu-columns {
    flex: 1;
    display: flex;
    gap: 20px;
    flex-wrap: wrap;   /* pozwala przenosić kolumny w dół */
    overflow: visible; /* nie przycina */
}

.mobile-menu-column {
    flex: 1 1 45%;     /* kolumna zajmuje ok. połowę szerokości */
    background: #fff;
    padding: 15px;
    border-radius: 6px;
    box-sizing: border-box;
    overflow: visible; /* brak wewnętrznego scrolla */
    max-height: none;
}

/* specjalnie dla listy lektur robimy dodatkowe podzielenie */
.mobile-menu-column.menu-left ul {
    column-count: 2;   /* 2 kolumny w środku */
    column-gap: 20px;
}
.mobile-menu-column.menu-left li {
    break-inside: avoid;
}

.mobile-menu-column h3 {
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 20px;
    color: #333;
    border-bottom: 1px solid #ccc;
    padding-bottom: 5px;
}
.mobile-menu-column ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
.mobile-menu-column li {
    margin: 10px 0;
}
.mobile-menu-column a {
    text-decoration: none;
    color: #333;
    font-size: 16px;
}
.mobile-menu-column a:hover {
    text-decoration: underline;
}

/* Main Content */
main {
    padding: 20px;
}
.featured-lectures, .top-matura {
    margin-bottom: 30px;
}
.lectures-gallery {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: center;
}
.lecture-item {
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 10px;
    width: 150px;
    text-align: center;
}
.lecture-item a {
    text-decoration: none;
    color: #4394E6;
    font-weight: bold;
}
.lecture-item img {
    width: 100%;
    height: auto;
    border: 1px solid #ccc;
    border-radius: 4px;
}
.lecture-item h3 {
    font-size: 16px;
    margin-top: 8px;
    color: #333;
}
.lecture-item p.author {
    font-size: 14px;
    color: #666;
    margin: 0;
}

/* Banner Placeholder */
.banner-placeholder {
    height: 150px;
    background-color: #6C81E0;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    margin: 20px 0;
}

/* Footer */
footer {
    background-color: #6C81E0;
    color: #fff;
    text-align: center;
    padding: 10px;
}
.cart-icon {
    width: 24px !important;
    height: 24px !important;
    object-fit: contain;
}
.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #6C81E0;
    color: #fff;
    padding: 15px 20px;
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    z-index: 2000;
    max-width: 300px;
    font-size: 14px;
}
.reviews-slider {
  max-width: 900px;
  margin: 20px auto;
  padding: 20px;
  background: #f7f7f7;
  border: 1px solid #ccc;
  border-radius: 8px;
  text-align: center;
  position: relative;
}

.reviews-slider .review {
  display: none;
}

.reviews-slider .review h3 {
  font-size: 20px;
  color: #6C81E0;
  margin-bottom: 10px;
}

.reviews-slider .stars {
  margin-bottom: 10px;
}

.reviews-slider .stars img {
  width: 20px;
  height: auto;
  vertical-align: middle;
  margin: 0 2px;
}

.reviews-slider .review p {
  font-size: 16px;
  color: #333;
  margin: 0 0 10px;
}
.review-progress {
  width: 100%;
  height: 6px;
  background: #ddd;
  border-radius: 3px;
  overflow: hidden;
  margin-top: 15px;
}

.review-progress .progress-bar {
  width: 0;
  height: 100%;
  background: #6C81E0;
}
.lectures-gallery {
    display: flex;
    gap: 20px;
    overflow: hidden;
    width: 100%;
}
.lecture-item {
    width: 150px;
    flex: none;
}