/**
 * Precision Stark Elevated components.
 */

.ps-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--ps-space-sm);
  padding: 13px 18px;
  border: 1px solid transparent;
  border-radius: var(--ps-radius);
  font-family: var(--ps-font-family);
  font-size: var(--ps-body-md-size);
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease, box-shadow 0.15s ease;
}

.ps-btn--primary {
  background: var(--ps-action);
  border-color: var(--ps-action);
  color: var(--ps-action-on);
  box-shadow: var(--ps-btn-primary-shadow);
}

.ps-btn--primary:hover {
  filter: brightness(0.98);
}

.ps-btn--secondary {
  background: var(--ps-border);
  border-color: var(--ps-border);
  color: var(--ps-on-inverse);
  box-shadow: var(--ps-btn-secondary-shadow);
}

.ps-btn--secondary:hover {
  background: #1a1a1a;
}

.ps-btn--ghost {
  background: var(--ps-surface-elevated);
  border-color: var(--ps-border);
  color: var(--ps-text);
  box-shadow: var(--ps-bevel-inset), var(--ps-elevation-shadow);
}

.ps-btn--ghost:hover {
  background: linear-gradient(180deg, #ffffff 0%, #ececec 100%);
}

.ps-card {
  background: var(--ps-surface-elevated);
  border: 1px solid var(--ps-border-subtle);
  border-radius: var(--ps-radius);
  padding: var(--ps-space-lg);
  box-shadow: var(--ps-bevel-inset), var(--ps-elevation-shadow);
}

.ps-card--emphasis {
  border: 2px solid var(--ps-border);
}

.ps-card--accent-top {
  border-top: 4px solid var(--ps-action);
}

.ps-field {
  display: flex;
  flex-direction: column;
  gap: var(--ps-space-sm);
}

.ps-field__label {
  font-family: var(--ps-font-display);
  font-size: var(--ps-label-caps-size);
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ps-text);
}

.ps-field__input,
.ps-field__textarea,
.ps-field__select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--ps-border-subtle);
  border-radius: var(--ps-radius);
  background: var(--ps-background);
  color: var(--ps-text);
  font: inherit;
  box-shadow: var(--ps-input-shadow);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ps-field__input:focus,
.ps-field__textarea:focus,
.ps-field__select:focus {
  outline: none;
  border-width: 2px;
  border-color: var(--ps-border);
  box-shadow: var(--ps-input-focus-glow);
}

.ps-chip {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: var(--ps-radius-full);
  border: 1px solid var(--ps-border);
  background: var(--ps-background);
  color: var(--ps-text);
  font-family: var(--ps-font-display);
  font-size: var(--ps-label-caps-size);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ps-chip--active {
  border-color: var(--ps-action);
  background: var(--ps-action);
  color: var(--ps-action-on);
}

.ps-check,
.ps-radio {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--ps-action);
  border: 2px solid var(--ps-border);
  background: var(--ps-background);
}

.ps-check:checked,
.ps-radio:checked {
  box-shadow: var(--ps-pressed-shadow);
}

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

.ps-list__item {
  border-top: 1px solid var(--ps-border-subtle);
  padding: var(--ps-space-md) 0;
  transition: background 0.15s ease, box-shadow 0.15s ease;
}

.ps-list__item:first-child {
  border-top: none;
}

.ps-list__item:hover {
  background: var(--ps-surface-elevated);
  box-shadow: var(--ps-bevel-inset);
}