/* ===============================================
   JASHAN.RU - UI COMPONENTS
   Кнопки, формы, карточки, навигация
   =============================================== */

/* ========== КНОПКИ ========== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 10px 20px;
  height: 40px;
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  white-space: nowrap;
}

/* Primary Button */
.btn-primary {
  background-color: var(--color-white);
  color: var(--color-primary);
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  background-color: var(--color-news);
  color: var(--color-light);
  box-shadow: var(--shadow-button-hover);
  transform: translateY(-2px);
}

.btn-primary:active {
  background-color: var(--color-primary-darker);
  box-shadow: var(--shadow-button-active);
  transform: translateY(0);
}

.btn-primary:disabled {
  background-color: var(--color-gray);
  color: rgba(255, 255, 255, 0.5);
  cursor: not-allowed;
  box-shadow: none;
  transform: none;
}

/* Secondary Button */
.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

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

.btn-secondary:active {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* Tertiary Button (Text Link) */
.btn-tertiary {
  background-color: transparent;
  color: var(--color-primary);
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 4px 0;
  height: auto;
}

.btn-tertiary:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Button Sizes */
.btn-small {
  height: 32px;
  padding: 8px 16px;
  font-size: var(--font-size-body-small);
}

.btn-large {
  height: 48px;
  padding: 12px 24px;
  font-size: var(--font-size-body);
}

/* Full-width button (для мобильных) */
.btn-full {
  width: 100%;
}

/* ========== FLIP BUTTON ========== */
.btn-flip-wrapper {
  display: flex;
  justify-content: center;
}

a.btn-flip,
a.btn-flip:link,
a.btn-flip:visited,
button.btn-flip {
  font-size: 1.1rem !important;
  text-decoration: none !important;
  display: inline-block !important;
  position: relative !important;
  padding: 1rem 2.5rem !important;
  border-radius: 8px !important;
  font-weight: 600 !important;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2) !important;
  background: white !important;
  color: var(--color-primary) !important;
  border: none !important;
  cursor: pointer !important;
  overflow: hidden !important;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) !important;
  z-index: 0;
  box-sizing: border-box !important;
  perspective: 1000px;
  transform: translateZ(0);
  text-align: center;
}

a.btn-flip::before,
button.btn-flip::before {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 8px;
  transform: translate(-100%, 0) rotate(50deg);
  transform-origin: top left;
  transition: all 0.7s cubic-bezier(0.34, 1.56, 0.64, 1);
  background-color: var(--color-primary);
  content: "";
  z-index: 1;
}

a.btn-flip:hover,
a.btn-flip:active,
button.btn-flip:hover,
button.btn-flip:active {
  color: white !important;
  border-color: var(--color-primary);
  box-shadow: 0 12px 32px rgba(107, 78, 140, 0.5) !important;
  transform: translateY(-4px) !important;
}

a.btn-flip:hover::before,
a.btn-flip:active::before,
button.btn-flip:hover::before,
button.btn-flip:active::before {
  transform: translate(0, 0) !important;
}

.btn-flip-front,
.btn-flip-back {
  padding: 0 !important;
  border-radius: 0 !important;
  backface-visibility: visible !important;
  -webkit-backface-visibility: visible !important;
  display: block !important;
  white-space: nowrap !important;
  width: auto !important;
  height: auto !important;
  position: relative !important;
  top: auto !important;
  left: auto !important;
  transform: none !important;
  z-index: 3;
}

.btn-flip-front {
  background: none !important;
  color: inherit !important;
}

.btn-flip-back {
  background: none !important;
  color: inherit !important;
  position: static !important;
  display: none !important;
}

/* ========== BTN STYLE 511 (Card buttons) ========== */

.btn-style511,
.review-card__link,
.article-card__link,
.review-detail__back,
.article-detail__back {
  position: relative;
  border: none;
  background-color: white;
  color: var(--color-primary);
  overflow: hidden;
  text-decoration: none;
  display: inline-block;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 10px;
  background-image: 
    linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary) 0%),
    linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary) 0%);
  background-size: 0% 100%, 0% 100%;
  background-position: 0% 0%, 0% 100%;
  background-repeat: no-repeat;
  transition: background-size 0.6s ease;
}

.btn-style511:hover,
.review-card__link:hover,
.article-card__link:hover,
.review-detail__back:hover,
.article-detail__back:hover {
  background-size: 100% 100%, 100% 100%;
  color: white;
  text-decoration: none;
  transition: background-size 0.6s ease, color 0.6s 0.25s ease;
}

/* ========== PAGINATION ========== */
.pagination-nav {
  display: flex;
  justify-content: center;
  margin: 60px 0 100px;
}

.pagination {
  display: flex;
  gap: 8px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.pagination li {
  margin: 0;
}

.pagination a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 8px;
  background: rgba(0, 0, 0, 0.7);
  color: white;
  text-decoration: none;
  border-radius: 4px;
  font-weight: 500;
  transition: background 0.3s ease;
}

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

.pagination li.active a {
  background: var(--color-primary);
  color: white;
}

/* ========== ФОРМЫ ВВОДА ========== */

.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-sm);
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-body-small);
  color: var(--color-dark);
}

.form-label.required::after {
  content: ' *';
  color: var(--color-error);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  height: 44px;
  padding: 12px 16px;
  font-size: var(--font-size-body);
  border: 1px solid var(--color-gray);
  border-radius: var(--radius-md);
  background-color: var(--color-white);
  transition: all var(--transition-normal);
}

.form-textarea {
  height: auto;
  min-height: 120px;
  resize: vertical;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(107, 78, 140, 0.1);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-gray);
  opacity: 0.7;
}

/* Error state */
.form-input.error,
.form-textarea.error,
.form-select.error {
  border-color: var(--color-error);
  background-color: rgba(231, 76, 60, 0.05);
}

.form-error {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-body-small);
  color: var(--color-error);
}

/* Disabled state */
.form-input:disabled,
.form-textarea:disabled,
.form-select:disabled {
  background-color: var(--color-light);
  color: var(--color-gray);
  cursor: not-allowed;
}


/* ========== BUTTON PRESS ANIMATION ========== */
button.btn-flip:active,
a.btn-flip:active {
  transform: translateY(-2px) !important;
}

/* ========== MODAL ========== */

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 9999;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: visibility 0.4s, opacity 0.4s;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Hide mobile menu close button when modal is active */
.modal.active {
  z-index: 10000;
}

body:has(.modal.active) .mobile-menu-close {
  opacity: 0 !important;
  visibility: hidden !important;
  pointer-events: none !important;
}

.modal.active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
  animation: fadeIn 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.modal:not(.active) {
  animation: fadeOut 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.95) 100%);
  backdrop-filter: blur(8px);
  animation: overlayFadeIn 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
  pointer-events: none;
  z-index: 1000;
}

.modal:not(.active) .modal-overlay {
  animation: overlayFadeOut 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.modal-content {
  position: relative;
  max-width: 600px;
  width: 90%;
  background: linear-gradient(135deg, rgba(30, 30, 40, 0.95) 0%, rgba(20, 20, 30, 0.98) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.9), inset 0 1px 0 rgba(255, 255, 255, 0.1);
  z-index: 1001;
  animation: slideDownModal 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
  max-height: 90vh;
  overflow-y: auto;
  backdrop-filter: blur(15px);
  scrollbar-width: none;
  pointer-events: auto;
}

.modal:not(.active) .modal-content {
  animation: slideUpModal 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.modal-content::-webkit-scrollbar {
  display: none;
}

.modal-close {
  position: absolute;
  top: var(--spacing-lg);
  right: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 32px;
  color: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  transition: all var(--transition-normal);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  z-index: 1;
}

.modal-close:hover {
  color: rgba(255, 255, 255, 1);
  background: rgba(255, 255, 255, 0.15);
  border-color: rgba(255, 255, 255, 0.3);
  transform: rotate(90deg);
}

.modal-body {
  padding: var(--spacing-xxl);
}

.modal-body h3 {
  margin-bottom: var(--spacing-xl);
  color: rgba(255, 255, 255, 0.95);
  text-align: center;
  font-size: var(--font-size-h3);
  font-weight: var(--font-weight-bold);
}

/* Form styles inside modal */
.modal-body .form-label {
  color: rgba(255, 255, 255, 0.85);
}

.modal-body .form-input,
.modal-body .form-textarea,
.modal-body .form-select {
  background-color: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  color: rgba(255, 255, 255, 0.9);
}

.modal-body .form-input::placeholder,
.modal-body .form-textarea::placeholder {
  color: rgba(255, 255, 255, 0.5);
  opacity: 0.6;
}

.modal-body .form-input::-webkit-input-placeholder,
.modal-body .form-textarea::-webkit-input-placeholder {
  color: rgba(255, 255, 255, 0.5);
  opacity: 0.6;
}

.modal-body .form-input::-moz-placeholder,
.modal-body .form-textarea::-moz-placeholder {
  color: rgba(255, 255, 255, 0.5);
  opacity: 0.6;
}

.modal-body .form-input:focus,
.modal-body .form-textarea:focus,
.modal-body .form-select:focus {
  border-color: var(--color-primary);
  background-color: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(107, 78, 140, 0.2);
}

.modal-body .form-input.error,
.modal-body .form-textarea.error {
  border-color: var(--color-error);
  background-color: rgba(231, 76, 60, 0.1);
}

.modal-body .form-error {
  color: rgba(231, 76, 60, 0.9);
}

.modal-body .btn-primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  color: white;
  border: none;
  margin-top: var(--spacing-lg);
  pointer-events: auto;
  cursor: pointer;
}

.modal-body .btn-primary:hover {
  background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
  box-shadow: 0 8px 20px rgba(107, 78, 140, 0.3);
}

/* Ensure all form inputs and interactive elements in modal are clickable */
.modal-body input,
.modal-body textarea,
.modal-body select,
.modal-body button {
  pointer-events: auto;
}

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

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

@keyframes overlayFadeIn {
  from {
    opacity: 0;
    backdrop-filter: blur(0px);
  }
  to {
    opacity: 1;
    backdrop-filter: blur(8px);
  }
}

@keyframes overlayFadeOut {
  from {
    opacity: 1;
    backdrop-filter: blur(8px);
  }
  to {
    opacity: 0;
    backdrop-filter: blur(0px);
  }
}

@keyframes slideDownModal {
  from {
    transform: translateY(-60px) scale(0.95);
    opacity: 0;
  }
  to {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
}

@keyframes slideUpModal {
  from {
    transform: translateY(0) scale(1);
    opacity: 1;
  }
  to {
    transform: translateY(-60px) scale(0.95);
    opacity: 0;
  }
}

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

/* Mobile modal adjustments */
@media (max-width: 767px) {
  .modal-content {
    width: calc(100% - 20px);
    max-width: 100%;
    max-height: calc(100vh - 60px);
    border-radius: var(--radius-md);
  }

  a.btn-flip {
      min-width: 280px;
  }
  
  .modal-body {
    padding: var(--spacing-lg);
  }

  .modal-close {
    top: var(--spacing-md);
    right: var(--spacing-md);
    width: 36px;
    height: 36px;
    font-size: 28px;
  }
}

/* Mobile devices - Disable all button animations */
@media (max-width: 767px) {
  /* Disable btn-flip animations */
  a.btn-flip,
  a.btn-flip:link,
  a.btn-flip:visited,
  button.btn-flip {
    transition: none !important;
  }

  a.btn-flip::before,
  button.btn-flip::before {
    transition: none !important;
  }

  a.btn-flip:hover,
  a.btn-flip:active,
  button.btn-flip:hover,
  button.btn-flip:active {
    transform: none !important;
  }

  a.btn-flip:hover::before,
  a.btn-flip:active::before,
  button.btn-flip:hover::before,
  button.btn-flip:active::before {
    transform: none !important;
  }

  /* Disable btn-style511 animations (Article, Review, Back buttons) */
  .btn-style511,
  .review-card__link,
  .article-card__link,
  .review-detail__back,
  .article-detail__back {
    transition: none !important;
  }

  .btn-style511:hover,
  .review-card__link:hover,
  .article-card__link:hover,
  .review-detail__back:hover,
  .article-detail__back:hover {
    background-size: 100% 100% !important;
    color: inherit !important;
    background-position: 0 0 !important;
  }

  /* Disable btn-primary animations */
  .btn-primary {
    transition: none !important;
  }

  .btn-primary:hover {
    transform: none !important;
  }

  .btn-primary:active {
    transform: none !important;
  }

  /* Disable btn-secondary animations */
  .btn-secondary {
    transition: none !important;
  }

  /* Disable btn-tertiary animations */
  .btn-tertiary {
    transition: none !important;
  }

  /* Disable pagination animations */
  .pagination a {
    transition: none !important;
  }

  /* Disable modal close button animations */
  .modal-close {
    transition: none !important;
  }

  .modal-close:hover {
    transform: none !important;
  }
}

/* Extra small mobile devices */
@media (max-width: 480px) {
  .modal-content {
    width: calc(100% - 16px);
    max-height: calc(100vh - 40px);
    border-radius: var(--radius-md);
  }

  .modal-body {
    padding: var(--spacing-md);
  }

  .modal-body h3 {
    font-size: var(--font-size-h4);
    margin-bottom: var(--spacing-lg);
  }

  .modal-close {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 32px;
    height: 32px;
    font-size: 24px;
  }

  .form-group {
    margin-bottom: var(--spacing-md);
  }

  .modal-body .form-input,
  .modal-body .form-textarea {
    font-size: 16px; /* Prevents zoom on iOS */
  }
}


/* ========== КАРТОЧКИ ========== */

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-light);
  transition: all var(--transition-normal);
}

.card:hover {
  box-shadow: var(--shadow-medium);
  transform: translateY(-4px);
}

.card-title {
  font-size: var(--font-size-h4);
  font-weight: var(--font-weight-semibold);
  color: var(--color-dark);
  margin-bottom: var(--spacing-md);
}

.card-text {
  color: var(--color-dark);
  margin-bottom: var(--spacing-lg);
}

.card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-lg);
}


/* ========== GRID КАРТОЧЕК ========== */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xxxl);
}

@media (max-width: 767px) {
  .cards-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
}


/* ========== КОНТЕЙНЕРЫ ========== */

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--spacing-xxxl) 0;
}

.section-alt {
  background-color: var(--color-light);
}


/* ========== ИКОНКИ ========== */

.icon {
  width: 24px;
  height: 24px;
  display: inline-block;
  stroke: currentColor;
  stroke-width: 2px;
  fill: none;
}

.icon-sm {
  width: 20px;
  height: 20px;
}

.icon-lg {
  width: 32px;
  height: 32px;
}


/* ========== УТИЛИТЫ ========== */

.mt-0 { margin-top: 0; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-xxl { margin-top: var(--spacing-xxl); }

.mb-0 { margin-bottom: 0; }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-xxl { margin-bottom: var(--spacing-xxl); }

.hidden {
  display: none !important;
}

@media (max-width: 767px) {
  .hidden-mobile {
    display: none !important;
  }
}

@media (min-width: 768px) {
  .hidden-desktop {
    display: none !important;
  }
}

/* Mobile */
@media (max-width: 480px) {
  a.btn-flip,
  a.btn-flip:link,
  a.btn-flip:visited,
  button.btn-flip {
    min-width: 280px;
  }
}