/* Base styles and variables */
:root {
  /* Base colors */
  --color-primary: #3498db;
  --color-primary-rgb: 52, 152, 219;
  --color-secondary: #2ecc71;
  --color-accent: #e74c3c;
  --color-background: #ffffff;
  --color-text: #333333;
  --color-text-light: #666666;
  --color-border: #dddddd;

  /* Component colors */
  --color-button-primary: var(--color-primary);
  --color-button-secondary: #95a5a6;
  --color-button-danger: #e74c3c;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;

  /* Border radius */
  --border-radius-sm: 0.25rem;
  --border-radius-md: 0.5rem;
  --border-radius-lg: 1rem;

  /* Shadow */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-speed: 0.3s;
}

/* Typography */
html {
  font-size: 16px;
  box-sizing: border-box;
}

*,
*:before,
*:after {
  box-sizing: inherit;
}

body {
  font-family: "Roboto", sans-serif;
  color: var(--color-text);
  background-color: var(--color-background);
  line-height: 1.6;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 500;
  line-height: 1.3;
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

h1 {
  font-size: 2.25rem;
}

h2 {
  font-size: 1.8rem;
}

h3 {
  font-size: 1.5rem;
}

p {
  margin-top: 0;
  margin-bottom: var(--spacing-md);
}

/* Layout */
#app {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md);
}

/* Header */
header {
  display: flex;
  justify-content: space-between; /* Space between left and right sections */
  align-items: center;
  margin-bottom: var(--spacing-lg);
  position: relative;
  padding: var(--spacing-sm) 0;
}

.header-left {
  display: flex;
  align-items: center;
}

.logo {
  font-weight: 700;
  font-size: 2.5rem;
  margin-right: var(--spacing-md);
  line-height: 1;
  transform: translateY(0.1rem);
  margin-bottom: 0px !important; /* Remove margin-bottom for logo */
}

.theme-icon {
  width: 3rem; /* Adjust size for consistency */
  height: 3rem;
  display: inline-block;
  vertical-align: middle;
}

.menu-toggle {
  display: none; /* Hidden by default */
  background: none;
  border: none;
  padding: var(--spacing-sm);
  cursor: pointer;
  width: 44px; /* Increased for better touch target */
  height: 44px;
  position: relative;
  z-index: 1000;
}

/* Hamburger Menu - Combined styles */
.hamburger {
  width: 24px;
  height: 3px; /* Increased thickness */
  background-color: var(--color-text);
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  transition: all 0.3s ease-in-out;
}

.hamburger::before,
.hamburger::after {
  content: "";
  position: absolute;
  width: 24px;
  height: 3px; /* Increased thickness */
  background-color: var(--color-text);
  transition: all 0.3s ease-in-out;
  left: 0;
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

.menu-toggle.active .hamburger {
  background-color: transparent;
}

.menu-toggle.active .hamburger::before {
  transform: translateY(0.6rem) rotate(45deg);
}

.menu-toggle.active .hamburger::after {
  transform: translateY(-0.6rem) rotate(-45deg);
}

main {
  flex: 1;
}

/* Navigation */
.main-nav ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0 0 var(--spacing-xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.main-nav li {
  margin-right: var(--spacing-sm);
}

.nav-btn {
  font-size: 1rem;
  font-weight: 500;
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-speed);
  min-width: 44px;
  min-height: 44px;
  position: relative;
  color: var(--color-text-light);
}

.nav-btn::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: all var(--transition-speed);
  transform: translateX(-50%);
  opacity: 0;
}

.nav-btn:hover::after {
  width: 100%;
  opacity: 0.5;
}

.nav-btn.active {
  color: var(--color-primary);
}

.nav-btn.active::after {
  width: 100%;
  opacity: 1;
}

/* Combined Media Queries */
@media (max-width: 768px) {
  header {
    padding: var(--spacing-sm);
    flex-direction: row !important;
    margin-bottom: var(--spacing-md);
  }

  .logo {
    font-size: 2.2rem;
  }

  .theme-icon,
  .menu-toggle {
    width: 3rem;
    height: 3rem;
    display: inline-block;
    vertical-align: middle;
  }

  .hamburger,
  .hamburger::before,
  .hamburger::after {
    height: 0.2rem;
  }

  /* Combined navigation styles */
  .menu-toggle {
    display: block;
    z-index: 1000;
    margin-left: var(--spacing-md);
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    height: 100vh;
    background-color: var(--color-background);
    box-shadow: var(--shadow-lg);
    transition: right 0.3s ease-in-out;
    z-index: 999;
    padding-top: 80px;
  }

  .main-nav.active {
    right: 0;
  }

  .main-nav ul {
    flex-direction: column;
    margin: 0;
    padding: var(--spacing-md);
    border: none;
    height: 100%;
  }

  .main-nav li {
    margin: 0;
    width: 100%;
  }

  .nav-btn {
    width: 100%;
    text-align: left;
    padding: var(--spacing-lg);
    border: none;
    font-size: 1.2rem;
  }

  .nav-btn:hover,
  .nav-btn.active {
    background-color: rgba(var(--color-primary-rgb), 0.1);
  }

  .category-select-container {
    flex-direction: column;
  }

  .category-select-container select {
    width: 100%;
  }

  .category-actions {
    width: 100%;
  }

  .search-box input {
    width: 100%;
  }

  .vocab-tools {
    width: 100%;
  }

  .vocab-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .theme-toggle {
    margin-top: var(--spacing-md);
    width: 100%;
    display: flex;
    justify-content: space-between;
  }

  .main-nav ul {
    width: 100%;
    overflow-x: auto;
    padding-bottom: var(--spacing-xs);
  }

  .nav-btn {
    padding: var(--spacing-md) var(--spacing-md);
    white-space: nowrap;
  }

  .practice-input-area {
    flex-direction: column;
  }

  .stats-summary,
  .theme-options {
    flex-direction: column;
  }

  .stat-card,
  .theme-option {
    min-width: 100%;
  }

  .history-table th:nth-child(3),
  .history-table td:nth-child(3) {
    display: none;
  }

  .vocab-actions {
    flex-wrap: wrap;
  }

  .stats-nav {
    padding-bottom: var(--spacing-xs);
  }

  .stats-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9rem;
  }

  .settings-group {
    padding: var(--spacing-md);
  }

  .settings-group .btn {
    width: 100%;
    margin-right: 0;
    margin-bottom: var(--spacing-sm);
  }

  .settings-buttons {
    flex-direction: column;
  }

  .settings-buttons .btn {
    width: 100%;
  }

  .menu-toggle {
    display: flex;
    justify-content: center;
    align-items: center;
  }

  /* Active state styling */
  .menu-toggle.active .hamburger {
    background-color: transparent;
  }

  .menu-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
  }

  .menu-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
  }
}

@media (max-width: 480px) {
  .results-stats {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .history-table th:nth-child(2),
  .history-table td:nth-child(2) {
    display: none;
  }

  .practice-result-buttons {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .multiple-choice-options {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }
}

main {
  flex: 1;
}

/* Sections */
.section {
  display: none;
  animation: fadeIn 0.5s ease;
}

.section.active {
  display: block;
}

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

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

label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

input,
textarea,
select {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  transition: border-color var(--transition-speed);
  min-height: 44px;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-primary);
}

input[type="text"],
input[type="number"],
select,
textarea {
  font-size: 16px !important; /* Förhindrar iOS zoom på input-fält */
  -webkit-text-size-adjust: 100%;
}

@media screen and (max-width: 768px) {
  input[type="text"],
  input[type="number"],
  select,
  textarea {
    font-size: 16px !important; /* Säkerställer att fontstorleken är tillräckligt stor för att förhindra zoom */
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border: none;
  border-radius: var(--border-radius-sm);
  font-size: 1rem;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: background-color var(--transition-speed),
    transform var(--transition-speed);
  white-space: nowrap;
  min-width: 44px;
  min-height: 44px;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

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

.btn-primary:hover {
  background-color: color-mix(in srgb, var(--color-button-primary), #000 10%);
}

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

.btn-secondary:hover {
  background-color: color-mix(in srgb, var(--color-button-secondary), #000 10%);
}

.btn-danger {
  background-color: var(--color-button-danger);
  color: white;
}

.btn-danger:hover {
  background-color: color-mix(in srgb, var(--color-button-danger), #000 10%);
}

.btn-disabled,
.btn:disabled {
  background-color: #cccccc;
  color: #888888;
  cursor: not-allowed;
  transform: none;
}

.btn-disabled:hover,
.btn:disabled:hover {
  transform: none;
  background-color: #cccccc;
}

/* Vocabulary Section */
.category-bar {
  margin-bottom: var(--spacing-lg);
}

.category-select-container {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  align-items: flex-start;
}

.category-select-container select {
  flex: 1;
  min-width: 200px;
}

.category-actions {
  display: flex;
  gap: var(--spacing-sm);
}

/* Add Word Form */
.vocab-add {
  background-color: var(--color-background);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
}

.vocab-add-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
}

.vocab-add-header h3 {
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.vocab-add-content {
  padding: var(--spacing-lg);
}

/* Vocabulary List */
.vocab-list-container {
  background: var(--color-background);
  border-radius: var(--border-radius-md);
  box-shadow: var(--shadow-sm);
}

.vocab-header {
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.vocab-header h3 {
  margin: 0;
}

.vocab-tools {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}

.search-box {
  position: relative;
}

.search-box input {
  padding-left: 2.5rem;
  width: 250px;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2"><circle cx="11" cy="11" r="8"/><line x1="21" y1="21" x2="16.65" y2="16.65"/></svg>')
    0.75rem center no-repeat;
  background-color: var(--color-background);
}

/* Practice Section */
.practice-settings {
  background-color: #f8f9fa;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-xl);
}

.practice-area {
  max-width: 600px;
  margin: 0 auto;
}

.progress-bar {
  height: 8px;
  background-color: var(--color-border);
  border-radius: var(--border-radius-lg);
  margin-bottom: var(--spacing-xl);
  overflow: hidden;
}

.progress {
  height: 100%;
  background-color: var(--color-secondary);
  transition: width var(--transition-speed);
}

.practice-card {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  margin-bottom: var(--spacing-lg);
}

.practice-question {
  font-size: 1.8rem;
  text-align: center;
  margin-bottom: var(--spacing-xl);
  font-weight: 500;
}

.practice-input-area {
  display: flex;
  gap: var(--spacing-md);
}

.practice-input-area input {
  flex: 1;
}

.practice-feedback {
  background-color: #f8f9fa;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  text-align: center;
}

.feedback-message {
  font-size: 1.2rem;
  margin-bottom: var(--spacing-md);
  font-weight: 500;
}

.correct-answer {
  margin-bottom: var(--spacing-lg);
  color: var(--color-text-light);
}

.practice-results {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: #f8f9fa;
  border-radius: var(--border-radius-md);
}

.results-stats {
  display: flex;
  justify-content: space-around;
  margin: var(--spacing-lg) 0;
}

.result-item {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.result-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--color-primary);
}

.practice-result-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* Statistics Section */
.stats-summary {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.stat-card {
  flex: 1;
  min-width: 200px;
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: var(--spacing-md) 0;
}

.chart-container {
  background-color: white;
  padding: var(--spacing-lg);
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-xl);
  box-shadow: var(--shadow-sm);
  max-height: 400px;
}

.problem-words {
  margin-bottom: var(--spacing-xl);
}

.problem-words-list {
  list-style: none;
  padding: 0;
}

.problem-words-list li {
  display: flex;
  justify-content: space-between;
  padding: var(--spacing-md);
  border-bottom: 1px solid var(--color-border);
}

.history-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: var(--spacing-md);
}

.history-table th,
.history-table td {
  padding: var(--spacing-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.history-table th {
  font-weight: 500;
  color: var(--color-text-light);
}

/* Settings Section - Combined styles */
.settings-group {
  background: var(--color-background);
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

/* Tema väljare */
.theme-select-container select {
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-sm);
  background-color: var(--color-background);
  color: var(--color-text);
  font-size: 1rem;
  cursor: pointer;
  min-height: 44px;
  min-width: 200px;
  width: 100%;
  max-width: 300px;
}

.theme-select-container select:hover {
  border-color: var(--color-primary);
}

.theme-select-container select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(52, 152, 219, 0.2);
}

/* Ta bort gammal tema styling */
.theme-toggle,
.theme-options,
.theme-option,
.theme-preview {
  display: none;
}

.theme-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-lg);
  margin-top: var(--spacing-md);
}

.theme-option {
  flex: 1;
  min-width: 200px;
}

.theme-option input[type="radio"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.theme-option label {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  padding: var(--spacing-md);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-speed);
}

.theme-option input[type="radio"]:checked + label {
  background-color: rgba(0, 0, 0, 0.05);
}

.theme-preview {
  width: 100%;
  height: 120px;
  border-radius: var(--border-radius-md);
  margin-bottom: var(--spacing-sm);
}

.switch-container {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.switch input {
  opacity: 0;
  width: 0;
  height: 0;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}

input:checked + .slider {
  background-color: var(--color-primary);
}

input:focus + .slider {
  box-shadow: 0 0 1px var(--color-primary);
}

input:checked + .slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

/* Modal */
.modal {
  display: none;
  position: fixed;
  z-index: 1000;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background-color: white;
  border-radius: var(--border-radius-md);
  padding: var(--spacing-lg);
  width: 90%;
  max-width: 500px;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.close-modal {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  font-size: 1.5rem;
  cursor: pointer;
}

#modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

/* Helper Classes */
.hidden {
  display: none !important;
}

/* Multiple Choice Buttons */
.multiple-choice-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  width: 100%;
  margin-bottom: 1rem;
}

.multiple-choice-options.hidden {
  display: none;
}

.choice-btn {
  padding: 1rem;
  border: 2px solid var(--color-border);
  background: var(--color-background-secondary);
  color: var(--color-text);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 1rem;
  text-align: center;
  word-break: break-word;
  hyphens: auto;
  min-height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
}

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

.choice-btn.correct {
  border-color: var(--color-secondary);
  background: var(--color-secondary);
  color: var(--color-text-inverse);
}

.choice-btn.incorrect {
  border-color: var(--color-button-danger);
  background: var(--color-button-danger);
  color: var(--color-text-inverse);
}

/* Theme transition */
.theme-transition {
  transition: background-color 0.3s ease, color 0.3s ease,
    border-color 0.3s ease, box-shadow 0.3s ease;
}

.theme-transition * {
  transition: background-color 0.3s ease, color 0.3s ease,
    border-color 0.3s ease, box-shadow 0.3s ease;
}

.end-session-btn {
  margin-top: var(--spacing-lg);
  width: 100%;
}

/* Statistics Tabs */
.stats-tabs {
  margin-top: var(--spacing-lg);
}

.stats-nav {
  display: flex;
  gap: var(--spacing-sm);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--spacing-lg);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

.stats-nav::-webkit-scrollbar {
  display: none;
}

.stats-tab {
  padding: var(--spacing-md) var(--spacing-lg);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: var(--color-text-light);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-speed);
  font-weight: 500;
}

.stats-tab:hover {
  color: var(--color-primary);
}

.stats-tab.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.stats-panel {
  display: none;
  animation: fadeIn 0.3s ease;
}

.stats-panel.active {
  display: block;
}

/* Settings Groups */
.settings-group.collapsible .settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background: var(--color-background);
  cursor: pointer;
  user-select: none;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-md);
}

.settings-group.collapsible .settings-header h3 {
  margin: 0;
}

.settings-group.collapsible .expand-icon {
  font-size: 1.2rem;
  font-weight: bold;
  transition: transform var(--transition-speed);
}

.settings-group.collapsible.expanded .expand-icon {
  transform: rotate(45deg);
}

.settings-group.collapsible .settings-content {
  display: none;
  padding: var(--spacing-lg);
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-top: none;
  border-radius: 0 0 var(--border-radius-md) var(--border-radius-md);
}

.settings-group.collapsible.expanded .settings-content {
  display: block;
  animation: slideDown 0.3s ease;
}

.settings-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-md);
}

.settings-help {
  color: var(--color-text-light);
  font-size: 0.9rem;
  margin: var(--spacing-md) 0 0 0;
}

.btn-icon {
  margin-right: var(--spacing-xs);
  font-size: 1.1em;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}