/* Layout */
.layout {
  background-color: var(--color-background);
  min-height: 100vh;
  color: var(--color-surface-inverse);
}

.layout__container {
  max-width: 68rem;
  margin: 0 auto;
  padding: var(--space-5) var(--space-3) var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  background: transparent;
}

.page-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-header__stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-header__main > *:first-child {
  margin: 0;
  font-size: var(--font-lg);
  line-height: var(--leading-tight);
}

.page-header__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.section {
  background-color: var(--color-surface);
  border-radius: var(--radius-2);
  padding: var(--space-5);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  color: var(--color-surface-inverse);
  backdrop-filter: blur(18px);
}

.stack {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.stack--sm {
  gap: var(--space-3);
}

.stack--lg {
  gap: var(--space-5);
}

.list-inline {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
  list-style: none;
}

.list-unstyled {
  list-style: none;
  margin: 0;
  padding: 0;
}

.text-center {
  text-align: center;
}

.media {
  width: 100%;
  height: auto;
  display: block;
}

.media--sm {
  max-width: 14rem;
  margin: 0 auto;
}

.media--md {
  max-width: 20rem;
  margin: 0 auto;
}

.stepper {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.stepper__item {
  display: inline-flex;
}

.stepper__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-1);
  border: 1px solid rgba(255, 255, 255, 0.28);
  font-size: var(--font-sm);
  background-color: rgba(255, 255, 255, 0.14);
  color: var(--color-surface-inverse);
}

.stepper__button[aria-current="step"] {
  background-color: var(--color-primary-fill);
  color: var(--color-primary-text);
  border-color: var(--color-primary-border);
}

.stepper__button[aria-disabled="true"] {
  opacity: 0.6;
  cursor: default;
}

@media (min-width: 768px) {
  .layout__container {
    padding: var(--space-6) var(--space-4) var(--space-6);
  }

  .page-header__stack {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-4);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-2);
  border: 1px solid transparent;
  font-size: var(--font-md);
  font-weight: 600;
  line-height: var(--leading-tight);
  text-decoration: none;
  cursor: pointer;
  transition: background-color 160ms ease, color 160ms ease, border-color 160ms ease, transform 160ms ease;
  color: var(--color-surface-inverse);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary-border);
  outline-offset: 2px;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}

.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-sm);
}

.btn--lg {
  padding: var(--space-3) var(--space-5);
  font-size: var(--font-lg);
}

.btn--block {
  width: 100%;
}

.btn--primary {
  background-color: var(--color-primary-fill);
  color: var(--color-primary-text);
  border-color: var(--color-primary-border);
}

.btn--primary:hover:not(:disabled) {
  background-color: #f1744e;
  border-color: #d95529;
  transform: translateY(-1px);
}

.btn--primary.btn--static,
.btn--primary.btn--static:hover:not(:disabled) {
  background-color: var(--color-primary-fill);
  border-color: var(--color-primary-border);
  transform: none;
}

.btn--secondary {
  background-color: var(--color-neutral-fill);
  color: var(--color-neutral-text);
  border-color: var(--color-neutral-border);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-surface-inverse);
  border-color: rgba(255, 255, 255, 0.4);
}

.btn--ghost:hover:not(:disabled) {
  background-color: rgba(255, 255, 255, 0.1);
}

.btn--link {
  background-color: transparent;
  color: var(--color-primary-fill);
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}

.btn--link:hover {
  text-decoration: underline;
  color: #ffa27f;
}

/* Form fields */
.field {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.field__label {
  font-size: var(--font-sm);
  font-weight: 600;
  color: var(--color-surface-inverse);
}

.field__control {
  padding: var(--space-2);
  border-radius: var(--radius-1);
  border: 1px solid rgba(255, 255, 255, 0.35);
  background-color: rgba(255, 255, 255, 0.12);
  font-size: var(--font-md);
  line-height: var(--leading-normal);
  color: var(--color-surface-inverse);
}

.field__control::placeholder {
  color: rgba(255, 255, 255, 0.7);
}

.field__control:focus-visible {
  outline: 2px solid var(--color-primary-border);
  outline-offset: 1px;
}

.field__help {
  font-size: var(--font-sm);
  color: rgba(255, 255, 255, 0.72);
}

.field__error {
  font-size: var(--font-sm);
  color: var(--color-danger-text);
}

.field--error .field__control {
  border-color: var(--color-danger-border);
}

.field--error .field__label {
  color: var(--color-danger-fill);
}

/* Banners */
.banner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3);
  border-radius: var(--radius-2);
  border: 1px solid var(--color-neutral-border);
  background-color: var(--color-neutral-fill);
  color: var(--color-neutral-text);
  box-shadow: var(--shadow-sm);
}

.banner__icon {
  flex: none;
  font-size: var(--font-lg);
  line-height: 1;
}

.banner__content {
  display: grid;
  gap: var(--space-1);
}

.banner__title {
  font-size: var(--font-md);
  font-weight: 600;
  margin: 0;
}

.banner__message {
  font-size: var(--font-sm);
  margin: 0;
}

.banner--success {
  background-color: var(--color-success-fill);
  color: var(--color-success-text);
  border-color: var(--color-success-border);
}

.banner--neutral {
  background-color: var(--color-neutral-fill);
  color: var(--color-neutral-text);
  border-color: var(--color-neutral-border);
}

.banner--warning {
  background-color: var(--color-warning-fill);
  color: var(--color-warning-text);
  border-color: var(--color-warning-border);
}

.banner--error {
  background-color: var(--color-danger-fill);
  color: var(--color-danger-text);
  border-color: var(--color-danger-border);
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  background-color: rgba(0, 0, 0, 0.6);
  padding: var(--space-5);
  z-index: var(--z-overlay);
}

.modal.is-visible {
  display: flex;
}

.modal__dialog {
  background-color: #132c55;
  color: var(--color-surface-inverse);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
  width: min(32rem, 100%);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.modal__content {
  background-color: #132c55;
  color: var(--color-surface-inverse);
  border-radius: var(--radius-2);
  box-shadow: var(--shadow-md);
  padding: var(--space-5);
  width: min(36rem, 100%);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}

.modal__title {
  margin: 0;
  font-size: var(--font-lg);
  font-weight: 600;
}

.modal__body {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.modal__close {
  background: transparent;
  border: 0;
  color: inherit;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.modal__close:hover,
.modal__close:focus-visible {
  color: var(--color-primary-text);
}

.glass-card {
  background: #2d5d9f;
  border-radius: var(--radius-2);
  border: 1px solid rgba(255, 255, 255, 0.22);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  color: var(--color-surface-inverse);
}

.glass-card--surface {
  background: #1d4075;
  border-color: rgba(255, 255, 255, 0.22);
}

.glass-card--accent {
  background: #ec6338;
  border-color: rgba(236, 99, 56, 0.6);
}

.audio-card,
.loading-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  text-align: center;
  align-items: center;
}

.loading-card__icons {
  display: inline-flex;
  justify-content: center;
  gap: var(--space-3);
  font-size: var(--font-lg);
}

.loading-card__title {
  margin: 0;
  font-size: var(--font-lg);
  font-weight: 600;
}

.loading-card__message {
  margin: 0;
  font-size: var(--font-md);
  max-width: 32ch;
}

.choice-list {
  display: grid;
  gap: var(--space-3);
}

.choice-item {
  display: block;
}

.choice-card {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-2);
  border: 1px solid var(--color-neutral-border);
  background-color: var(--color-surface);
  transition: border-color 160ms ease, box-shadow 160ms ease;
}

.choice-card input {
  margin: 0;
}

.choice-card:focus-within {
  border-color: var(--color-primary-border);
  box-shadow: 0 0 0 3px rgba(236, 99, 56, 0.28);
}

.choice-card.is-selected {
  border-color: var(--color-primary-border);
  background-color: rgba(236, 99, 56, 0.18);
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding: 0;
  margin: 0;
  list-style: none;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-1);
  border: 1px solid var(--color-neutral-border);
  background-color: var(--color-surface);
  cursor: pointer;
  transition: border-color 160ms ease, background-color 160ms ease;
}

.tag-chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.tag-chip.is-selected {
  border-color: var(--color-primary-border);
  background-color: rgba(236, 99, 56, 0.18);
}

.metric-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
}

.metric {
  background-color: var(--color-surface);
  border-radius: var(--radius-1);
  padding: var(--space-3);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.metric__value {
  font-size: var(--font-lg);
  font-weight: 600;
}

.metric__label {
  font-size: var(--font-sm);
  color: var(--color-neutral-border);
}