:root {
  --beige: #f5f0e1;
  --khaki: #7a7265;
  --dark-brown: #3a3226;
  --light-olive: #c8c0b0;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Arial", sans-serif;
  background-color: var(--beige);
  color: var(--dark-brown);
  line-height: 1.6;
  padding: 20px;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

/* Кнопки */
.btn {
  background-color: var(--khaki);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 20px;
  cursor: pointer;
  font-size: 16px;
  transition: all 0.3s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  text-align: center;
}

.add-icon {
  font-size: 18px;
  display: inline-block;
}

.detail-icon {
  font-size: 16px;
  display: inline-block;
}

.btn:hover {
  background-color: var(--dark-brown);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: var(--light-olive);
}

/* Карточки и секции */
.card {
  background: white;
  border-radius: 15px;
  padding: 25px;
  margin-bottom: 25px;
  box-shadow: var(--shadow);
}

section {
  margin-bottom: 30px;
}

h1,
h2,
h3 {
  margin-bottom: 15px;
  color: var(--dark-brown);
}

h1 {
  font-size: 2.2rem;
}

h2 {
  font-size: 1.8rem;
  border-bottom: 2px solid var(--light-olive);
  padding-bottom: 10px;
}

/* Фильтры */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 20px 0;
}

.filter-group {
  flex: 1;
  min-width: 200px;
}

.filter-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
  color: var(--dark-brown);
}

.filter-input {
  width: 100%;
  padding: 12px 15px;
  border: 1px solid var(--light-olive);
  border-radius: 8px;
  font-size: 16px;
  transition: border-color 0.3s;
}

.filter-input:focus {
  border-color: var(--khaki);
  outline: none;
  box-shadow: 0 0 0 2px rgba(122, 114, 101, 0.2);
}

/* Таблица */
.table-container {
  overflow-x: auto;
  width: 100%;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}

th,
td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--light-olive);
}

th {
  background-color: var(--khaki);
  color: white;
  position: sticky;
  top: 0;
  cursor: pointer;
  transition: background-color 0.3s;
}

th:hover {
  background-color: var(--dark-brown);
}

tr:hover td {
  background-color: rgba(122, 114, 101, 0.05);
}

/* Пагинация */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 25px 0;
}

.pagination button {
  width: 40px;
  height: 40px;
  border: 1px solid var(--light-olive);
  background-color: white;
  border-radius: 50%;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s;
}

.pagination button:hover {
  background-color: var(--khaki);
  color: white;
  border-color: var(--khaki);
}

.pagination button.active {
  background-color: var(--khaki);
  color: white;
  border-color: var(--khaki);
}

/* Модальное окно */
.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 1000;
  justify-content: center;
  align-items: center;
  animation: fadeIn 0.3s;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal-content {
  background: white;
  padding: 30px;
  border-radius: 15px;
  width: 90%;
  max-width: 800px;
  box-shadow: 0 5px 30px rgba(0, 0, 0, 0.3);
  max-height: 90vh;
  overflow-y: auto;
  animation: slideUp 0.4s;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.close {
  color: var(--dark-brown);
  float: right;
  font-size: 28px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s;
}

.close:hover {
  color: var(--khaki);
}

/* Формы */
form {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
  margin-top: 20px;
}

form label {
  display: block;
  margin-bottom: 6px;
  font-weight: 500;
}

.required {
  color: #e74c3c;
  font-weight: bold;
}

form input,
form select,
form textarea {
  width: 100%;
  padding: 10px 15px;
  border: 1px solid var(--light-olive);
  border-radius: 8px;
  font-size: 16px;
}

form input:focus,
form select:focus,
form textarea:focus {
  outline: none;
  border-color: var(--khaki);
  box-shadow: 0 0 0 2px rgba(122, 114, 101, 0.2);
}

form button {
  grid-column: span 2;
  width: 100%;
  padding: 14px;
  font-size: 18px;
  margin-top: 10px;
}

/* Адаптивность */
@media (max-width: 768px) {
  .filters {
    flex-direction: column;
  }

  form {
    grid-template-columns: 1fr;
  }

  table {
    font-size: 14px;
  }

  th,
  td {
    padding: 10px 12px;
  }

  h1 {
    font-size: 1.8rem;
  }

  h2 {
    font-size: 1.5rem;
  }
}

/* Табы */
.tabs {
  display: flex;
  gap: 10px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 8px 20px;
  border: none;
  background-color: var(--light-olive);
  color: var(--dark-brown);
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.3s;
}

.tab-btn.active {
  background-color: var(--khaki);
  color: white;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
  animation: fadeIn 0.3s;
}