html {
  font-family: 'Montserrat', sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background-color: var(--bg-page-primary-color);
  color: var(--text-primary-color);
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--accent-focus-color);
  outline-offset: 2px;
}

.ui-page {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.ui-shell {
  width: min(1200px, calc(100% - 2rem));
  margin-inline: auto;
}

.ui-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background-color: var(--bg-page-primary-color);
}

.ui-nav__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-4-value);
  padding-block: var(--spacing-4-value);
}

.ui-nav__brand {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  line-height: 1.1;
}

.ui-card {
  background-color: var(--bg-surface-primary-color);
  border: 1px solid transparent;
  border-radius: var(--radius-medium-value);
  padding: var(--spacing-5-value);
  transition: transform 0.18s ease, border-color 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
}

.ui-card--interactive:hover {
  border-color: var(--border-strong-color);
  box-shadow: var(--shadow-strong-value);
  transform: translateY(-1px);
}

.ui-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2-value);
  min-height: 2.75rem;
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--border-subtle-color);
  border-radius: var(--radius-pill-value);
  background-color: transparent;
  color: var(--text-primary-color);
  cursor: pointer;
  transition: background-color 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, transform 0.1s ease;
}

.ui-button:hover:not(:disabled) {
  border-color: var(--border-strong-color);
  box-shadow: var(--shadow-subtle-value);
}

.ui-button:disabled {
  cursor: not-allowed;
  opacity: 0.5;
}

.ui-button--primary {
  box-shadow: var(--shadow-subtle-value);
}

.ui-button--success,
.ui-button--active {
  background-color: var(--bg-surface-selected-color);
  border-color: var(--border-success-color);
  color: var(--text-on-accent-color);
}

.ui-button--error {
  background-color: var(--accent-danger-color);
  border-color: var(--accent-danger-color);
  color: var(--text-on-accent-color);
}

.ui-input {
  width: min(250px, 100%);
  padding: 0.75rem 1.25rem;
  border: 2px solid var(--border-strong-color);
  border-radius: var(--radius-pill-value);
  background-color: var(--bg-surface-primary-color);
  text-align: center;
  color: var(--text-primary-color);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.ui-input::placeholder {
  color: var(--text-interactive-color);
}

.ui-input:focus {
  border-color: var(--border-strong-color);
  background-color: var(--bg-surface-hover-color);
}

.ui-input:valid {
  border-color: var(--border-success-color);
}

.ui-input:invalid:not(:placeholder-shown) {
  border-color: var(--border-danger-color);
}

.ui-field {
  display: inline-flex;
  flex-direction: column;
  gap: var(--spacing-2-value);
  width: 100%;
  align-items: center;
}

.ui-field__input-wrapper {
  position: relative;
  width: min(250px, 100%);
}

.ui-listbox {
  position: absolute;
  top: calc(100% + 0.25rem);
  left: 0;
  width: 100%;
  max-height: 7.5rem;
  overflow-y: auto;
  display: none;
  border: 2px dotted var(--border-subtle-color);
  border-radius: var(--radius-pill-value);
  background-color: var(--bg-surface-secondary-color);
  z-index: 10;
}

.ui-listbox[data-open='true'] {
  display: block;
}

.ui-option {
  padding: 0.625rem 1rem;
  text-align: right;
  cursor: pointer;
}

.ui-option:hover,
.ui-option:focus,
.ui-option--active {
  background-color: var(--bg-surface-hover-color);
  color: var(--accent-secondary-color);
}

.ui-checkbox-row {
  display: inline-flex;
  gap: var(--spacing-2-value);
  align-items: flex-start;
  text-align: left;
  font-size: 0.95rem;
}

.ui-modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface-overlay-color);
  padding: var(--spacing-4-value);
  z-index: 40;
}

.ui-modal[data-open='true'] {
  display: flex;
}

.ui-modal__dialog {
  width: min(800px, 100%);
  max-height: min(85vh, 900px);
  overflow: auto;
  border-radius: var(--radius-large-value);
  background-color: var(--bg-surface-primary-color);
  box-shadow: var(--shadow-strong-value);
  padding: var(--spacing-6-value);
}

.ui-modal__close {
  margin-left: auto;
  margin-bottom: var(--spacing-3-value);
}

[data-modal-close]::before {
  content: '';
  display: inline-flex;
  width: 1rem;
  height: 1rem;
  flex-shrink: 0;
  background-color: currentColor;
  -webkit-mask-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http://www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%3E%3Cpath%20d%3D%22M3%2016.74%207.76%2012%203%207.26%207.26%203%2012%207.76%2016.74%203%2021%207.26%2016.24%2012%2021%2016.74%2016.74%2021%2012%2016.24%207.26%2021zm9-3.33%204.74%204.75%201.42-1.42L13.41%2012l4.75-4.74-1.42-1.42L12%2010.59%207.26%205.84%205.84%207.26%2010.59%2012l-4.75%204.74%201.42%201.42z%22/%3E%3C/svg%3E");
  mask-image: url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http://www.w3.org/2000/svg%22%20viewBox%3D%220%200%2024%2024%22%3E%3Cpath%20d%3D%22M3%2016.74%207.76%2012%203%207.26%207.26%203%2012%207.76%2016.74%203%2021%207.26%2016.24%2012%2021%2016.74%2016.74%2021%2012%2016.24%207.26%2021zm9-3.33%204.74%204.75%201.42-1.42L13.41%2012l4.75-4.74-1.42-1.42L12%2010.59%207.26%205.84%205.84%207.26%2010.59%2012l-4.75%204.74%201.42%201.42z%22/%3E%3C/svg%3E");
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-position: center;
  mask-position: center;
  -webkit-mask-size: contain;
  mask-size: contain;
}

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

.ui-switch__input {
  opacity: 0;
  width: 0;
  height: 0;
}

.ui-switch__track {
  position: absolute;
  inset: 0;
  border-radius: 34px;
  background-color: var(--border-subtle-color);
  transition: background-color 0.2s ease;
  cursor: pointer;
}

.ui-switch__track::before {
  content: '';
  position: absolute;
  left: 4px;
  bottom: 4px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background-color: #fff;
  transition: transform 0.2s ease;
}

.ui-switch__input:checked + .ui-switch__track::before {
  transform: translateX(26px);
}

.ui-switch__icon {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  font-size: 16px;
  text-align: center;
}

.ui-switch__icon--sun { left: 8px; }
.ui-switch__icon--moon { right: 8px; }

.ui-page-content {
  padding-block: var(--spacing-8-value);
}