/* ===== КОМПОНЕНТЫ UI ===== */

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  transition: all 0.3s ease;
  text-align: center;
  cursor: pointer;
  line-height: 1.4;
  border: 2px solid transparent;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

.btn:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(30, 95, 116, 0.3);
}

/* Основная кнопка */
.btn-primary {
  background-color: var(--primary-color);
  color: var(--white);
}

.btn-primary:hover {
  background-color: var(--primary-light);
}

/* Вторичная кнопка */
.btn-secondary {
  background-color: var(--secondary-color);
  color: var(--white);
}

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

/* Акцентная кнопка */
.btn-accent {
  background-color: var(--accent-color);
  color: var(--white);
}

.btn-accent:hover {
  background-color: var(--accent-light);
}

/* Контурные кнопки */
.btn-outline-primary {
  background-color: transparent;
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.btn-outline-primary:hover {
  background-color: var(--primary-color);
  color: var(--white);
}

.btn-outline-secondary {
  background-color: transparent;
  border-color: var(--secondary-color);
  color: var(--secondary-color);
}

.btn-outline-secondary:hover {
  background-color: var(--secondary-color);
  color: var(--white);
}

.btn-outline-accent {
  background-color: transparent;
  border-color: var(--accent-color);
  color: var(--accent-color);
}

.btn-outline-accent:hover {
  background-color: var(--accent-color);
  color: var(--white);
}

/* Размеры кнопок */
.btn-sm {
  padding: 0.5rem 1rem;
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: 1rem 2rem;
  font-size: 1rem;
}

.btn-full {
  width: 100%;
}

/* Кнопка с иконкой */
.btn-icon {
  display: inline-flex;
  align-items: center;
}

.btn-icon svg, 
.btn-icon img {
  margin-right: 0.5rem;
  width: 1.25em;
  height: 1.25em;
}

.btn-icon.icon-right svg, 
.btn-icon.icon-right img {
  margin-right: 0;
  margin-left: 0.5rem;
}

/* Карточки */
.card {
  background-color: var(--white);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-header {
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.card-body {
  padding: 1.5rem;
}

.card-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.card-img {
  width: 100%;
  height: auto;
  display: block;
}

.card-title {
  font-size: var(--font-size-xl);
  margin-bottom: 0.75rem;
  font-weight: var(--font-weight-semibold);
  color: var(--text-dark);
}

.card-subtitle {
  font-size: var(--font-size-base);
  margin-bottom: 1rem;
  color: var(--text-light);
}

.card-text {
  margin-bottom: 1.5rem;
}

/* Формы */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: var(--font-weight-medium);
  color: var(--text-dark);
}

.form-control {
  width: 96%;
  padding: 0.75rem 1rem;
  font-size: var(--font-size-base);
  line-height: 1.5;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: var(--white);
  transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

.form-control:focus {
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(30, 95, 116, 0.25);
}

.form-control::placeholder {
  color: var(--text-lighter);
}

.form-control.is-invalid {
  border-color: var(--error-color);
}

.form-control.is-valid {
  border-color: var(--success-color);
}

.form-text {
  display: block;
  margin-top: 0.25rem;
  font-size: var(--font-size-sm);
}

.form-text.error {
  color: var(--error-color);
}

.form-text.success {
  color: var(--success-color);
}

.form-check {
  display: flex;
  align-items: flex-start;
  margin-bottom: 0.75rem;
}

.form-check-input {
  margin-top: 0.3rem;
  margin-right: 0.75rem;
}

.form-check-label {
  margin-bottom: 0;
}

/* Оповещения (алерты) */
.alert {
  padding: 1rem 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 4px;
}

.alert-primary {
  color: var(--primary-dark);
  background-color: #d8e8eb;
  border-color: var(--primary-color);
}

.alert-secondary {
  color: var(--secondary-dark);
  background-color: #d9e7f1;
  border-color: var(--secondary-color);
}

.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: var(--success-color);
}

.alert-danger {
  color: #721c24;
  background-color: #f8d7da;
  border-color: var(--error-color);
}

.alert-warning {
  color: #856404;
  background-color: #fff3cd;
  border-color: var(--warning-color);
}

.alert-info {
  color: #0c5460;
  background-color: #d1ecf1;
  border-color: var(--info-color);
}

/* Значки (бейджи) */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  vertical-align: baseline;
  border-radius: 50rem;
}

.badge-primary {
  background-color: var(--primary-color);
  color: var(--white);
}

.badge-secondary {
  background-color: var(--secondary-color);
  color: var(--white);
}

.badge-accent {
  background-color: var(--accent-color);
  color: var(--white);
}

.badge-success {
  background-color: var(--success-color);
  color: var(--white);
}

.badge-danger {
  background-color: var(--error-color);
  color: var(--white);
}

.badge-warning {
  background-color: var(--warning-color);
  color: var(--white);
}

.badge-info {
  background-color: var(--info-color);
  color: var(--white);
}

/* Таблицы */
.table {
  width: 100%;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
  border-collapse: collapse;
}

.table th,
.table td {
  padding: 1rem;
  vertical-align: top;
  border-top: 1px solid var(--border-color);
}

.table thead th {
  vertical-align: bottom;
  border-bottom: 2px solid var(--border-color);
  background-color: var(--light-color);
  font-weight: var(--font-weight-semibold);
  text-align: left;
}

.table tbody + tbody {
  border-top: 2px solid var(--border-color);
}

.table-sm th,
.table-sm td {
  padding: 0.5rem;
}

.table-bordered {
  border: 1px solid var(--border-color);
}

.table-bordered th,
.table-bordered td {
  border: 1px solid var(--border-color);
}

.table-striped tbody tr:nth-of-type(odd) {
  background-color: rgba(0, 0, 0, 0.03);
}

.table-hover tbody tr:hover {
  background-color: rgba(0, 0, 0, 0.075);
}

/* Модальные окна */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--white);
  width: 90%;
  max-width: 600px;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: transform 0.3s ease;
}

.modal-overlay.active .modal {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  margin: 0;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-light);
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

/* Навигация */
.nav {
  display: flex;
  flex-wrap: wrap;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.nav-item {
  margin-right: 1rem;
}

.nav-link {
  display: block;
  padding: 0.5rem 1rem;
  text-decoration: none;
  color: var(--text-dark);
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--primary-color);
}

.nav-link.active {
  color: var(--primary-color);
  font-weight: var(--font-weight-semibold);
}

/* Хлебные крошки */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  list-style: none;
  background-color: var(--light-color);
  border-radius: 4px;
}

.breadcrumb-item + .breadcrumb-item {
  padding-left: 0.5rem;
}

.breadcrumb-item + .breadcrumb-item::before {
  display: inline-block;
  padding-right: 0.5rem;
  color: var(--text-light);
  content: "/";
}

.breadcrumb-item a {
  color: var(--primary-color);
  text-decoration: none;
}

.breadcrumb-item.active {
  color: var(--text-light);
}

/* Пагинация */
.pagination {
  display: flex;
  padding-left: 0;
  list-style: none;
  border-radius: 4px;
}

.page-item:not(:first-child) .page-link {
  margin-left: -1px;
}

.page-item.active .page-link {
  z-index: 1;
  color: var(--white);
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.page-item.disabled .page-link {
  color: var(--text-lighter);
  pointer-events: none;
  cursor: auto;
  background-color: var(--white);
  border-color: var(--border-color);
}

.page-link {
  position: relative;
  display: block;
  padding: 0.5rem 0.75rem;
  margin-left: -1px;
  line-height: 1.25;
  color: var(--primary-color);
  background-color: var(--white);
  border: 1px solid var(--border-color);
  text-decoration: none;
}

.page-link:hover {
  z-index: 2;
  color: var(--primary-dark);
  text-decoration: none;
  background-color: var(--light-color);
  border-color: var(--border-color);
}

/* Спиннер загрузки */
.spinner {
  display: inline-block;
  width: 2rem;
  height: 2rem;
  vertical-align: text-bottom;
  border: 0.25em solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spinner-border .75s linear infinite;
}

.spinner-sm {
  width: 1rem;
  height: 1rem;
  border-width: 0.2em;
}

@keyframes spinner-border {
  to { transform: rotate(360deg); }
}

/* Прогресс-бар */
.progress {
  display: flex;
  height: 1rem;
  overflow: hidden;
  font-size: var(--font-size-xs);
  background-color: var(--light-color);
  border-radius: 0.25rem;
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.1);
}

.progress-bar {
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: var(--white);
  text-align: center;
  white-space: nowrap;
  background-color: var(--primary-color);
  transition: width 0.6s ease;
}

/* Аккордеон */
.accordion {
  border: 1px solid var(--border-color);
  border-radius: 4px;
  overflow: hidden;
}

.accordion-item {
  border-bottom: 1px solid var(--border-color);
}

.accordion-item:last-child {
  border-bottom: 0;
}

.accordion-header {
  margin: 0;
}

.accordion-button {
  position: relative;
  display: flex;
  align-items: center;
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: var(--font-size-base);
  color: var(--text-dark);
  text-align: left;
  background-color: var(--white);
  border: 0;
  border-radius: 0;
  overflow-anchor: none;
  transition: color 0.15s ease-in-out, background-color 0.15s ease-in-out;
  cursor: pointer;
}

.accordion-button:not(.collapsed) {
  color: var(--primary-color);
  background-color: rgba(30, 95, 116, 0.05);
}

.accordion-button::after {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  margin-left: auto;
  content: "";
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%232A3D45'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  background-repeat: no-repeat;
  background-size: 1.25rem;
  transition: transform 0.2s ease-in-out;
}

.accordion-button:not(.collapsed)::after {
  transform: rotate(-180deg);
}

.accordion-collapse {
  height: 0;
  overflow: hidden;
  transition: height 0.35s ease;
}

.accordion-collapse.show {
  height: auto;
}

.accordion-body {
  padding: 1rem 1.25rem;
}