/* ===========================
   Общие стили
=========================== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  overflow-y: scroll; /* полоса прокрутки всегда видна */
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #09101d;
  color: #e6eaf3;
  margin: 0;
  padding: 20px;
}

h1 {
  text-align: center;
  margin-bottom: 20px;
  font-weight: 800;
}

#description {
  max-width: 1200px;
  width: fit-content; /* или width: auto; */
  margin: 0 auto 30px auto; /* по центру и отступ снизу */
  font-size: 18px;
  font-weight: 500;
  text-align: center;
}

#footer {
  max-width: 900px;
  width: fit-content; /* или width: auto; */
  margin: 20px auto 0 auto; /* по центру и отступ снизу */
  font-size: 12px;
  text-align: center;
  color: #8fa4c1;
}

/* ===========================
   Меню
=========================== */

#mainMenu {
  margin: 10px 0 25px;
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.menu-btn {
  position: relative;
  text-decoration: none;
  color: #8fa4c1;
  font-size: 18px;
  font-weight: 600;
  padding: 6px 4px;
  transition: color 0.2s;
}

.menu-btn::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0%;
  height: 2px;
  background: #4178e7;
  transition: width 0.25s ease;
}

.menu-btn:hover {
  color: #ffffff;
}

.menu-btn:hover::after {
  width: 100%;
}

/* активная страница */
.menu-btn.active {
  color: #ffffff;
}

.menu-btn.active::after {
  width: 100%;
}

/* ===========================
   Стили ссылок
=========================== */
a {
  color: #5aa0ff;
  text-decoration: none;
  transition: color 0.2s, text-shadow 0.2s;
}

a:hover {
  color: #ffffff;
  text-shadow: 0 0 4px rgba(90,160,255,0.6);
}

a:active {
  color: #4178e7;
}

a:visited {
  color: #8fa4c1;
}

/* ===========================
   Контейнер таблицы
=========================== */
#tableContainer {
  background: #1d2a44;
  padding: 20px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
  max-width: 1600px;
  margin: 0 auto;
  overflow-x: auto;
  border: 1px solid rgba(65,120,231,0.1);
}

/* ===========================
   Стили поиска
=========================== */
input.search,
#searchBox {
  margin-bottom: 15px;
  padding: 10px 14px;
  width: 100%;
  font-size: 14px;
  border-radius: 8px;
  border: 1.5px solid #2d416a;
  background-color: #0f192e;
  color: #8fa4c1;
  outline: none;
  transition: border 0.2s, box-shadow 0.2s, background 0.2s;
}

input.search::placeholder,
#searchBox::placeholder {
  color: #8fa4c1;
}

input.search:focus,
#searchBox:focus {
  border-color: #4178e7;
  box-shadow: 0 0 0 2px rgba(65,120,231,0.15);
  background-color: #1d2a44;
}

/* ===========================
   Стили фильтров-кнопок
=========================== */
#categoryButtons {
  margin-bottom: 10px;
  text-align: center;
}
.category-btn {
  display: inline-block; 
  margin: 2px 4px;
  padding: 10px 14px;
  border: 1.5px solid #2d416a;
  border-radius: 8px;
  background-color: #0f192e;
  color: #8fa4c1;
  cursor: pointer;
  transition: all 0.2s;
  font-size: 14px;
}
.category-btn.active {
  background-color: #5aa0ff;
  color: #0f192e;
}
.category-btn:hover {
  background-color: #3b74d1;
  color: #ffffff;
}

/* ===========================
   Стиль ячейки-комментария (кнопка)
=========================== */
.comment-cell {
  padding: 0; /* или минимальный padding */
  height: 100%; /* займет всю высоту ячейки */
  display: flex;
  justify-content: center;
  align-items: center;
  cursor: pointer;
  color: #d6e2ff;
}
.comment-cell:hover {
  color: #5aa0ff;
  transform: scale(1.1);
}
.comment-cell:active {
  color: #0f192e;
}

.comment-cell svg {
  pointer-events: none;
}

/* ===========================
   Всплывающее окно комментария
=========================== */
.comment-popup {
  display: none;
  position: absolute;
  z-index: 100;
  max-width: 400px;
  background: #0f192e;
  color: #d6e2ff;
  padding: 12px 14px;
  border-radius: 12px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.5);
  font-size: 14px;
  line-height: 1.4;
  word-wrap: break-word;
}
.comment-popup::after {
  display: none;
}

/* ===========================
   Кнопка "Проверка"
=========================== */
.Проверка {
  padding: 0;
}

.Проверка .check-btn {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  width: 100%;

  color: #d6e2ff;
  cursor: pointer;

  transition: color 0.2s, transform 0.15s;
}

/* фикс состояния ссылки */
.Проверка .check-btn:visited,
.Проверка .check-btn:focus {
  color: #d6e2ff;
}

/* hover работает нормально */
.Проверка .check-btn:hover {
  color: #5aa0ff;
  transform: scale(1.1);
}

/* клик */
.Проверка .check-btn:active {
  color: #0f192e;
  transform: scale(0.95);
}

.Проверка .check-btn svg {
  pointer-events: none;
}

/* ===========================
   Таблица
=========================== */
table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
  table-layout: fixed;
}

th, td {
  padding: 12px 10px;
  text-align: left;
  white-space: normal;
  word-break: break-word;
}

td {
  color: #d6e2ff;
}

tbody tr {
  border-bottom: 1px solid rgba(255,255,255,0.05);
  transition: background-color 0.2s, transform 0.15s;
}

/* ===========================
   Мягкое чередование строк
=========================== */
tbody tr:nth-child(odd) {
  background-color: #1d2a44;
}
tbody tr:nth-child(even) {
  background-color: #1b2740;
}

tbody tr:hover {
  background-color: #24345c;
  transform: scale(1.003);
}

/* ===========================
   Заголовки таблицы
=========================== */
table thead th {
  background-color: #0f192e;
  color: #f2f6ff;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 2px solid #4178e7;
  cursor: pointer;
  position: relative;
  transition: background-color 0.2s;
}
table thead th:hover {
  background-color: #1d2a44;
}
th.sorted-asc::after,
th.sorted-desc::after {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 12px;
  color: #5aa0ff;
}
th.sorted-asc::after { content: "▲"; }
th.sorted-desc::after { content: "▼"; }

/* ===========================
   Пагинация
=========================== */
ul.pagination {
  list-style: none;
  padding: 0;
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 20px;
}
ul.pagination li {
  cursor: pointer;
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid #2d416a;
  background-color: #1d2a44;
  color: #e6eaf3;
  font-weight: 500;
  transition: all 0.2s ease;
  display: inline-block;
}
ul.pagination li a {
  display: block;
  width: 100%;
  height: 100%;
  color: inherit;
  text-decoration: none;
  text-align: center;
}
ul.pagination li:hover {
  background-color: #2d416a;
  border-color: #4178e7;
  color: #ffffff;
}
ul.pagination li.active {
  background-color: #4178e7;
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 10px rgba(65,120,231,0.3);
}

/* ===========================
   Мобильная версия
=========================== */
@media (max-width: 768px) {
  table, thead, tbody, th, td, tr { display: block; }
  th { display: flex; justify-content: space-between; }
  tbody tr {
    margin-bottom: 15px;
    border-bottom: none;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    border-radius: 8px;
    padding: 10px;
    background-color: #1d2a44;
  }
  tbody tr:nth-child(even),
  tbody tr:nth-child(odd) { background-color: #1d2a44; }
  td { display: flex; justify-content: space-between; padding: 6px 10px; }
  td::before { content: attr(data-label); font-weight: 500; color: #8fa4c1; }
}