/* ============================================
   MNA 基础组件样式
   ============================================ */

/* ---------- AppHeader ---------- */
.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  height: calc(var(--header-height) + var(--safe-area-top));
  padding-top: var(--safe-area-top);
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

.app-header__brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: var(--font-weight-bold);
  font-size: var(--font-size-lg);
  color: var(--color-primary);
}

.app-header__logo {
  width: 32px;
  height: 32px;
  background-color: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
}

.app-header__menu-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: none;
  border: none;
  color: var(--color-text-primary);
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: background var(--transition-fast);
}

.app-header__menu-btn:active {
  background-color: var(--color-divider);
}

/* ---------- ProgressBar ---------- */
.progress-bar {
  width: 100%;
  height: 4px;
  background-color: var(--color-divider);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}

.progress-bar--with-label {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  height: auto;
  background: none;
}

.progress-bar--with-label .progress-bar__track {
  flex: 1;
  height: 4px;
  background-color: var(--color-divider);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  min-width: 36px;
  text-align: right;
}

/* ---------- BottomActionBar ---------- */
.bottom-action-bar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: var(--max-content-width);
  z-index: var(--z-sticky);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-md);
  padding-bottom: calc(var(--space-md) + var(--safe-area-bottom));
  box-shadow: 0 -4px 16px rgba(0,0,0,0.04);
}

.bottom-action-bar__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.bottom-action-bar__secondary {
  display: flex;
  gap: var(--space-sm);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  width: 100%;
  padding: var(--space-md);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  line-height: var(--line-height-tight);
  border: none;
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

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

.btn--primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-primary);
}

.btn--primary:not(:disabled):active {
  background-color: var(--color-primary-dark);
  transform: scale(0.98);
}

.btn--secondary {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  border: 1px solid var(--color-border);
}

.btn--secondary:not(:disabled):active {
  background-color: var(--color-bg);
}

.btn--ghost {
  background-color: transparent;
  color: var(--color-primary);
}

.btn--ghost:not(:disabled):active {
  background-color: var(--color-primary-bg);
}

.btn--small {
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-md);
  width: auto;
}

/* ---------- OptionCard ---------- */
.option-card {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background-color: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
  touch-action: manipulation;
}

.option-card:active {
  background-color: var(--color-bg);
}

.option-card--selected {
  border-color: var(--color-primary);
  background-color: var(--color-primary-bg);
}

.option-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xl);
  flex-shrink: 0;
}

.option-card--selected .option-card__icon {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.option-card__content {
  flex: 1;
}

.option-card__title {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
}

.option-card__desc {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: 2px;
}

.option-card__check {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.option-card--selected .option-card__check {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.option-card--multi .option-card__check {
  border-radius: var(--radius-sm);
}

/* ---------- MetricScoreList ---------- */
.metric-score-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.metric-score-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
}

.metric-score-item--low {
  border-color: var(--color-secondary);
  background-color: var(--color-secondary-bg);
}

.metric-score-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.metric-score-item--low .metric-score-item__icon {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
}

.metric-score-item__info {
  flex: 1;
}

.metric-score-item__name {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  color: var(--color-text-primary);
}

.metric-score-item__label {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.metric-score-item__value {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
  color: var(--color-primary);
}

.metric-score-item--low .metric-score-item__value {
  color: var(--color-secondary);
}

/* ---------- RadarChart ---------- */
.radar-chart {
  position: relative;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
}

.radar-chart canvas {
  width: 100%;
  height: auto;
  display: block;
}

/* ---------- LockedItem ---------- */
.locked-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  border: 1px dashed var(--color-border);
  opacity: 0.7;
}

.locked-item__icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  background-color: var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-tertiary);
  flex-shrink: 0;
}

.locked-item__content {
  flex: 1;
}

.locked-item__title {
  font-weight: var(--font-weight-medium);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.locked-item__hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

/* ---------- TaskItem ---------- */
.task-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-divider);
  transition: all var(--transition-fast);
  cursor: pointer;
  touch-action: manipulation;
}

.task-item:active {
  background-color: var(--color-bg);
}

.task-item--completed {
  opacity: 0.6;
}

.task-item--completed .task-item__title {
  text-decoration: line-through;
  color: var(--color-text-tertiary);
}

.task-item__checkbox {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.task-item--completed .task-item__checkbox {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.task-item__content {
  flex: 1;
}

.task-item__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.task-item__meta {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: 2px;
}

.task-item__category {
  font-size: var(--font-size-xs);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary-bg);
  color: var(--color-primary);
  flex-shrink: 0;
}

/* ---------- Toast ---------- */
.toast-container {
  position: fixed;
  bottom: calc(var(--bottom-bar-height) + var(--safe-area-bottom) + var(--space-md));
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  align-items: center;
  pointer-events: none;
  width: 100%;
  max-width: var(--max-content-width);
  padding: 0 var(--space-md);
}

.toast {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius-lg);
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse);
  background-color: rgba(0,0,0,0.8);
  backdrop-filter: blur(8px);
  animation: toastSlideUp 250ms ease;
  pointer-events: auto;
  max-width: 100%;
}

.toast--success { background-color: var(--color-success); }
.toast--error { background-color: var(--color-error); }
.toast--warning { background-color: var(--color-warning); color: var(--color-text-primary); }

.toast--leaving {
  animation: toastFadeOut 250ms ease forwards;
}

/* ---------- Form Elements ---------- */
.form-group {
  margin-bottom: var(--space-md);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.form-input {
  width: 100%;
  padding: var(--space-md);
  font-size: var(--font-size-md);
  font-family: inherit;
  color: var(--color-text-primary);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: border-color var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45,156,94,0.12);
}

.form-input::placeholder {
  color: var(--color-text-tertiary);
}

.form-input--error {
  border-color: var(--color-error);
}

.form-error {
  font-size: var(--font-size-xs);
  color: var(--color-error);
  margin-top: var(--space-xs);
}

/* Segmented control */
.segmented-control {
  display: flex;
  background-color: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: 4px;
  gap: 4px;
}

.segmented-control__item {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  text-align: center;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  background: none;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.segmented-control__item--active {
  background-color: var(--color-surface);
  color: var(--color-primary);
  box-shadow: var(--shadow-sm);
}

/* ---------- Card ---------- */
.card {
  background-color: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-divider);
}

.card__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

/* ---------- Page transitions ---------- */
.page-container {
  min-height: calc(100vh - var(--header-height));
  animation: fadeIn 250ms ease;
}

.page--slide-in {
  animation: slideUp 300ms ease;
}

/* ---------- Loading ---------- */
.loading-ring {
  display: inline-block;
  width: 40px;
  height: 40px;
}

.loading-ring::after {
  content: '';
  display: block;
  width: 32px;
  height: 32px;
  margin: 4px;
  border-radius: 50%;
  border: 3px solid var(--color-primary);
  border-color: var(--color-primary) transparent var(--color-primary) transparent;
  animation: spin 1.2s linear infinite;
}

.loading-shimmer {
  background: linear-gradient(90deg, var(--color-bg) 25%, var(--color-divider) 50%, var(--color-bg) 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-md);
}