/* ========================================
   银川数据要素服务中心 2.0 - 需求诊断浮窗
   兼容 index.html（.diagnosis-float/.diagnosis-trigger/.diagnosis-panel）
   和内页（.diagnosis-fab/.diagnosis-modal）
   ======================================== */

/* === 浮窗容器（固定右下角） === */
.diagnosis-float {
  position: fixed;
  bottom: 32px;
  right: 32px;
  z-index: 1000;
}

/* === 触发按钮 === */
.diagnosis-trigger {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 24px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50px;
  color: #ffffff;
  font-size: var(--font-size-sm);
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 24px rgba(11, 95, 169, 0.4);
  transition: all var(--transition-normal);
  animation: diagnosisPulse 3s ease-in-out infinite;
}

.diagnosis-trigger i {
  font-size: 1.1rem;
}

.diagnosis-trigger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 30px rgba(11, 95, 169, 0.5);
}

/* 脉冲呼吸动画 */
@keyframes diagnosisPulse {
  0%, 100% {
    box-shadow: 0 4px 24px rgba(11, 95, 169, 0.4);
  }
  50% {
    box-shadow: 0 4px 24px rgba(11, 95, 169, 0.6), 0 0 40px rgba(79,172,254,0.15);
  }
}

/* === 弹出面板 === */
.diagnosis-panel {
  position: fixed;
  bottom: 90px;
  right: 32px;
  width: 400px;
  max-height: 85vh;
  background: var(--light-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 16px 64px rgba(0, 0, 0, 0.2);
  overflow: hidden;
  z-index: 1001;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.diagnosis-panel.active {
  transform: translateY(0) scale(1);
  opacity: 1;
  visibility: visible;
}

/* === 面板头部 === */
.diagnosis-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--gradient-primary);
  color: #ffffff;
}

.diagnosis-header h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: #ffffff;
  margin: 0;
}

.diagnosis-close {
  width: 28px;
  height: 28px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  color: #ffffff;
  font-size: 14px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.diagnosis-close:hover {
  background: rgba(255, 255, 255, 0.35);
}

/* === 表单容器 === */
.diagnosis-form {
  padding: 24px;
  overflow-y: auto;
  max-height: calc(85vh - 60px);
}

/* === 步骤容器 === */
.diagnosis-step {
  display: none;
}

.diagnosis-step.active {
  display: block;
  animation: stepFadeIn 0.3s ease;
}

@keyframes stepFadeIn {
  from {
    opacity: 0;
    transform: translateX(16px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* === 步骤指示器 === */
.step-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 20px;
  font-size: var(--font-size-sm);
  color: var(--text-on-light-muted);
}

.step-current {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.step-divider {
  color: var(--text-on-light-muted);
  font-weight: 300;
}

.step-total {
  color: var(--text-on-light-muted);
}

/* 步骤标题 */
.diagnosis-step h4 {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--text-on-light-primary);
  margin-bottom: 20px;
}

/* === 选项网格（2列3行） === */
.diagnosis-options {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

/* === 单个选项（radio label样式化） === */
.diagnosis-option {
  display: block;
  cursor: pointer;
}

.diagnosis-option input[type="radio"] {
  display: none;
}

.diagnosis-option span {
  display: block;
  padding: 14px 16px;
  background: var(--light-bg-secondary);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--text-on-light-secondary);
  transition: all var(--transition-fast);
}

.diagnosis-option:hover span {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* 选中状态 - radio */
.diagnosis-option input[type="radio"]:checked + span {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
  color: var(--color-primary);
  font-weight: 600;
}

/* 选中状态 - div[data-value] 卡片式 */
.diagnosis-option.selected {
  border-color: var(--color-primary);
  background: var(--color-primary-bg);
}

.diagnosis-option.selected .diagnosis-option-icon {
  color: var(--color-primary);
}

.diagnosis-option.selected span {
  color: var(--color-primary);
  font-weight: 600;
}

/* === 输入字段容器 === */
.diagnosis-fields {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 24px;
}

/* === 表单组（label + input） === */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-on-light-primary);
}

.form-group input {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  color: var(--text-on-light-primary);
  background: var(--light-bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input::placeholder {
  color: var(--text-on-light-muted);
}

.form-group input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 95, 169, 0.1);
}

/* === 步骤操作按钮 === */
.diagnosis-step-actions {
  display: flex;
  gap: 12px;
  margin-top: 8px;
}

.diagnosis-step-actions .btn-primary,
.diagnosis-step-actions .btn-outline {
  flex: 1;
  padding: 12px 20px;
}

.diagnosis-next:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none !important;
}

/* === 成功提示页 === */
.diagnosis-success {
  text-align: center;
  padding: 40px 24px;
}

.diagnosis-success i {
  font-size: 48px;
  color: var(--color-accent);
  margin-bottom: 16px;
  display: block;
}

.diagnosis-success h4 {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--text-on-light-primary);
  margin-bottom: 12px;
}

.diagnosis-success p {
  font-size: var(--font-size-sm);
  color: var(--text-on-light-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
}

.diagnosis-success .btn-primary {
  padding: 12px 28px;
}

/* ========================================
   兼容内页 .diagnosis-fab / .diagnosis-modal 结构
   ======================================== */

/* 圆形FAB按钮（内页样式） */
.diagnosis-fab {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 56px;
  height: 56px;
  background: var(--gradient-primary);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  box-shadow: 0 4px 24px rgba(11, 95, 169, 0.4);
  transition: all var(--transition-normal);
  animation: diagnosisPulse 3s ease-in-out infinite;
  color: #fff;
  font-size: 1.2rem;
}
.diagnosis-fab svg {
  width: 24px;
  height: 24px;
  fill: #fff;
}
.diagnosis-fab i {
  color: #fff;
}

.diagnosis-fab:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 30px rgba(11, 95, 169, 0.5);
}

/* 弹窗（内页样式） */
.diagnosis-modal {
  position: fixed;
  bottom: 100px;
  right: 32px;
  width: 400px;
  max-height: 560px;
  background: var(--light-bg-card);
  border-radius: var(--radius-lg);
  box-shadow: 0 12px 60px rgba(0, 0, 0, 0.15);
  z-index: 1001;
  overflow: hidden;
  transform: translateY(20px) scale(0.95);
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.diagnosis-modal.active {
  transform: translateY(0) scale(1);
  opacity: 1;
  visibility: visible;
}

/* 弹窗头部（内页样式） */
.diagnosis-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  background: var(--gradient-primary);
  color: #fff;
}

.diagnosis-modal-header h3 {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: #fff;
}

.diagnosis-modal-close {
  width: 28px;
  height: 28px;
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.diagnosis-modal-close:hover {
  background: rgba(255, 255, 255, 0.3);
}

/* 弹窗内容区（内页样式） */
.diagnosis-modal-body {
  padding: 24px;
  overflow-y: auto;
  max-height: 440px;
}

/* 步骤指示器（内页样式） */
.diagnosis-step-dot {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-xs);
  font-weight: 700;
  background: var(--light-bg-tertiary);
  color: var(--text-on-light-muted);
  transition: all var(--transition-fast);
}

.diagnosis-step-dot.active {
  background: var(--gradient-primary);
  color: #fff;
}

.diagnosis-step-dot.completed {
  background: var(--color-accent);
  color: #fff;
}

.diagnosis-step-line {
  flex: 1;
  height: 2px;
  background: var(--light-bg-tertiary);
  border-radius: 1px;
}

.diagnosis-step-line.active {
  background: var(--gradient-primary);
}

/* 选项图标 */
.diagnosis-option-icon {
  font-size: 28px;
  margin-bottom: 8px;
  transition: color var(--transition-fast);
}

/* 卡片式选项（div[data-value]） */
.diag-type-option,
.diag-need-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 14px 16px;
  background: var(--light-bg-secondary);
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--text-on-light-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.diag-type-option:hover,
.diag-need-option:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.diag-type-option:hover .diagnosis-option-icon,
.diag-need-option:hover .diagnosis-option-icon {
  color: var(--color-primary);
}

/* 输入框（内页样式） */
.diagnosis-input {
  width: 100%;
  padding: 12px 16px;
  font-size: var(--font-size-sm);
  color: var(--text-on-light-primary);
  background: var(--light-bg-secondary);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  outline: none;
  transition: border-color var(--transition-fast);
  font-family: var(--font-family);
}

.diagnosis-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(11, 95, 169, 0.1);
}

.diagnosis-input::placeholder {
  color: var(--text-on-light-muted);
}

.diagnosis-textarea {
  resize: vertical;
  min-height: 80px;
}

/* 成功提示图标 */
.diagnosis-success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 16px;
  background: var(--color-accent-glow);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
}

/* === 响应式 === */
@media (max-width: 480px) {
  .diagnosis-float {
    bottom: 20px;
    right: 20px;
  }

  .diagnosis-trigger {
    padding: 12px 18px;
    font-size: var(--font-size-xs);
  }

  .diagnosis-trigger span {
    display: none;
  }

  .diagnosis-panel,
  .diagnosis-modal {
    position: fixed;
    top: 10px;
    right: 12px;
    left: 12px;
    bottom: 10px;
    width: auto;
    max-height: calc(100vh - 20px);
    border-radius: var(--radius-md);
    display: flex;
    flex-direction: column;
  }

  .diagnosis-modal-body {
    flex: 1;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
  }

  .diagnosis-options {
    grid-template-columns: 1fr;
    gap: 10px;
  }

  .diagnosis-step-actions {
    flex-direction: column;
  }

  .diagnosis-step-actions .btn-primary,
  .diagnosis-step-actions .btn-outline {
    width: 100%;
  }

  .diagnosis-fab {
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
  }

  .diagnosis-input {
    font-size: 16px; /* 防止iOS自动缩放 */
    padding: 14px 16px;
  }

  .diag-actions {
    flex-direction: column;
    gap: 8px;
  }

  .diag-actions button {
    width: 100%;
  }
}