/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 14px 28px;
  border: none;
  border-radius: var(--radius-btn);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0);
  transition: var(--transition-fast);
}

.btn:active::after {
  background: rgba(255, 255, 255, 0.1);
}

/* 主按钮 */
.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-dark) 0%, var(--color-accent) 100%);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-btn-hover);
  filter: brightness(1.1);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--shadow-btn);
}

.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

/* 次级按钮（毛玻璃） */
.btn-secondary {
  background: var(--color-glass-bg);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  color: var(--color-text-primary);
  border: 1px solid var(--color-glass-border);
}

.btn-secondary:hover {
  background: var(--color-glass-bg-hover);
  border-color: var(--color-glass-border-hover);
  transform: translateY(-1px);
}

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

/* 幽灵按钮 */
.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.btn-ghost:hover {
  color: var(--color-text-primary);
  border-color: rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.05);
}

/* 危险按钮 */
.btn-danger {
  background: rgba(248, 113, 113, 0.15);
  color: var(--color-error);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.btn-danger:hover {
  background: rgba(248, 113, 113, 0.25);
  border-color: rgba(248, 113, 113, 0.5);
}

/* 按钮尺寸 */
.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-xs);
}

.btn-lg {
  padding: 18px 40px;
  font-size: var(--font-size-lg);
  border-radius: 16px;
}

.btn-full {
  width: 100%;
}

/* ===== 卡片 ===== */
.card {
  background: var(--color-glass-bg);
  backdrop-filter: var(--blur-glass);
  -webkit-backdrop-filter: var(--blur-glass);
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--spacing-xl);
  transition: var(--transition-base);
  width: 100%;
}

.card-sm {
  padding: var(--spacing-lg);
}

.card-hover:hover {
  background: var(--color-glass-bg-hover);
  border-color: var(--color-glass-border-hover);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

/* ===== 进度条 ===== */
.progress-container {
  width: 100%;
  margin-bottom: var(--spacing-lg);
}

.progress-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--spacing-sm);
}

.progress-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  font-weight: 500;
}

.progress-value {
  font-size: var(--font-size-sm);
  color: var(--color-accent-light);
  font-weight: 600;
}

.progress-track {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-accent-dark), var(--color-accent-light));
  border-radius: var(--radius-pill);
  transition: width 0.4s ease;
  box-shadow: 0 0 8px rgba(167, 139, 250, 0.5);
}

/* ===== 选项卡片（问卷题目） ===== */
.option-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-lg);
  background: rgba(255, 255, 255, 0.06);
  border: 1.5px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  cursor: pointer;
  transition: var(--transition-base);
  width: 100%;
  text-align: left;
  font-family: var(--font-family);
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
  line-height: 1.6;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

.option-card:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--color-text-primary);
  transform: translateX(4px);
}

.option-card:active {
  transform: translateX(2px) scale(0.99);
}

.option-card.selected {
  background: var(--color-option-selected);
  border-color: var(--color-option-selected-border);
  color: var(--color-text-primary);
  box-shadow: 0 0 0 1px rgba(167, 139, 250, 0.3), 0 4px 16px rgba(124, 58, 237, 0.2);
}

.option-card.unanswered-highlight {
  border-color: rgba(248, 113, 113, 0.6);
  background: rgba(248, 113, 113, 0.08);
  animation: shake 0.4s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.option-label {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-width: 28px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text-secondary);
  transition: var(--transition-base);
}

.option-card.selected .option-label {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: #fff;
}

.option-text {
  flex: 1;
}

/* ===== 徽章 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.badge-healthy {
  background: rgba(52, 211, 153, 0.2);
  color: var(--color-success);
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.badge-average {
  background: rgba(251, 191, 36, 0.2);
  color: var(--color-warning);
  border: 1px solid rgba(251, 191, 36, 0.3);
}

.badge-unhealthy {
  background: rgba(248, 113, 113, 0.2);
  color: var(--color-error);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

/* ===== 分隔线 ===== */
.divider {
  width: 100%;
  height: 1px;
  background: rgba(255, 255, 255, 0.1);
  margin: var(--spacing-lg) 0;
}

/* ===== 提示信息 ===== */
.alert {
  padding: var(--spacing-md) var(--spacing-lg);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-sm);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.alert-warning {
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.25);
  color: var(--color-warning);
}

.alert-info {
  background: rgba(167, 139, 250, 0.12);
  border: 1px solid rgba(167, 139, 250, 0.25);
  color: var(--color-accent-light);
}

.alert-error {
  background: rgba(248, 113, 113, 0.12);
  border: 1px solid rgba(248, 113, 113, 0.25);
  color: var(--color-error);
}

/* ===== 语言切换 ===== */
.lang-switcher {
  display: flex;
  gap: var(--spacing-xs);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
  padding: 4px;
}

.lang-btn {
  padding: 6px 14px;
  border: none;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-sm);
  font-weight: 500;
  cursor: pointer;
  transition: var(--transition-fast);
  background: transparent;
  color: var(--color-text-secondary);
  font-family: var(--font-family);
}

.lang-btn.active {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 2px 8px rgba(124, 58, 237, 0.4);
}

.lang-btn:hover:not(.active) {
  color: var(--color-text-primary);
  background: rgba(255, 255, 255, 0.08);
}

/* ===== 加载动画 ===== */
.spinner {
  width: 24px;
  height: 24px;
  border: 2px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ===== 数字徽章（类型编号） ===== */
.type-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-accent-dark), var(--color-accent));
  color: #fff;
  font-size: var(--font-size-xl);
  font-weight: 700;
  box-shadow: 0 4px 16px rgba(124, 58, 237, 0.4);
  flex-shrink: 0;
}

.type-number-sm {
  width: 32px;
  height: 32px;
  font-size: var(--font-size-base);
}

/* ===== 图表容器 ===== */
.chart-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  aspect-ratio: 1;
}

/* ===== 响应式 ===== */
@media (max-width: 480px) {
  .btn-lg {
    padding: 16px 28px;
    font-size: var(--font-size-base);
  }

  .card {
    padding: var(--spacing-lg);
  }

  .option-card {
    padding: var(--spacing-md);
  }
}

/* ===== 题组阶段标签 ===== */
.group-phase-badge {
  display: inline-block;
  padding: 2px 10px;
  border-radius: var(--radius-pill);
  font-size: var(--font-size-xs);
  font-weight: 600;
  background: rgba(167, 139, 250, 0.2);
  border: 1px solid rgba(167, 139, 250, 0.4);
  color: var(--color-accent-light);
  margin-left: var(--spacing-sm);
  vertical-align: middle;
}

/* ===== 副型缩写徽章 ===== */
.subtype-abbr-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(167,139,250,0.3), rgba(124,58,237,0.4));
  border: 1px solid rgba(167,139,250,0.5);
  color: var(--color-accent-light);
  font-size: var(--font-size-sm);
  font-weight: 800;
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

/* ===== 副型焦点标签 ===== */
.subtype-focus {
  font-size: var(--font-size-xs);
  color: var(--color-accent-light);
  font-weight: 500;
  margin-top: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
  opacity: 0.85;
}

/* ===== 副型卡片（跨两列） ===== */
.subtype-card {
  grid-column: 1 / -1;
}

.subtype-card .detail-card-desc {
  margin-top: var(--spacing-sm);
  line-height: 1.7;
}