/**
 * SP低空履约平台 - 组件样式系统
 * 基于 Google Material Design 风格
 * 
 * 本文件定义所有基础组件样式，包括：
 * - 按钮样式（primary、outlined、text，涟漪效果）
 * - 输入框样式（浮动标签、聚焦状态）
 * - 选择器样式
 * - 开关、复选框、单选框样式
 * 
 * Requirements: 10.1, 10.5, 16.8, 16.9
 */

/* ========================================
 * 按钮组件 - Button Components
 * Requirements: 10.1, 10.5, 16.8
 * ======================================== */

/* 按钮基础样式 */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  min-width: 64px;
  height: var(--btn-height-md);
  padding: 0 var(--spacing-4);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  outline: none;
  overflow: hidden;
  transition: var(--transition-color), var(--transition-shadow);
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}

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

/* 按钮尺寸变体 */
.btn-sm {
  height: var(--btn-height-sm);
  padding: 0 var(--spacing-3);
  font-size: var(--font-size-sm);
  min-width: 48px;
}

.btn-lg {
  height: var(--btn-height-lg);
  padding: 0 var(--spacing-6);
  font-size: var(--font-size-md);
  min-width: 80px;
}

/* 主要按钮 - Contained Button */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-2);
}

.btn-primary:active {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-1);
}

.btn-primary:disabled {
  background-color: var(--color-disabled-bg);
  color: var(--color-text-disabled);
  cursor: not-allowed;
  box-shadow: none;
}

/* 轮廓按钮 - Outlined Button */
.btn-outlined {
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.btn-outlined:hover {
  background-color: var(--color-primary-hover);
}

.btn-outlined:active {
  background-color: var(--color-primary-focus);
}

.btn-outlined:disabled {
  color: var(--color-text-disabled);
  border-color: var(--color-border);
  background-color: transparent;
  cursor: not-allowed;
}

/* 文字按钮 - Text Button */
.btn-text {
  background-color: transparent;
  color: var(--color-primary);
  min-width: auto;
  padding: 0 var(--spacing-2);
}

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

.btn-text:active {
  background-color: var(--color-primary-focus);
}

.btn-text:disabled {
  color: var(--color-text-disabled);
  background-color: transparent;
  cursor: not-allowed;
}

/* 语义色按钮变体 */
.btn-success {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
}

.btn-success:hover {
  background-color: var(--color-success-dark);
  box-shadow: var(--shadow-2);
}

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

.btn-warning:hover {
  background-color: var(--color-warning-dark);
  box-shadow: var(--shadow-2);
}

.btn-error {
  background-color: var(--color-error);
  color: var(--color-text-inverse);
}

.btn-error:hover {
  background-color: var(--color-error-dark);
  box-shadow: var(--shadow-2);
}

/* 涟漪效果容器 */
.btn-ripple {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow: hidden;
  pointer-events: none;
}

/* 涟漪动画 */
.ripple {
  position: absolute;
  border-radius: 50%;
  background-color: currentColor;
  opacity: 0.2;
  transform: scale(0);
  animation: ripple-animation 600ms var(--easing-decelerate);
  pointer-events: none;
}

@keyframes ripple-animation {
  to {
    transform: scale(4);
    opacity: 0;
  }
}

/* 按钮图标 */
.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.btn-sm .btn-icon {
  width: 16px;
  height: 16px;
}

.btn-lg .btn-icon {
  width: 20px;
  height: 20px;
}

/* 图标按钮 */
.btn-icon-only {
  min-width: var(--btn-height-md);
  width: var(--btn-height-md);
  padding: 0;
  border-radius: var(--radius-full);
}

.btn-icon-only.btn-sm {
  min-width: var(--btn-height-sm);
  width: var(--btn-height-sm);
}

.btn-icon-only.btn-lg {
  min-width: var(--btn-height-lg);
  width: var(--btn-height-lg);
}

/* 加载状态 */
.btn-loading {
  pointer-events: none;
  opacity: 0.7;
}

.btn-loading .btn-text {
  visibility: hidden;
}

.btn-loading::after {
  content: '';
  position: absolute;
  width: 16px;
  height: 16px;
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: btn-spin 600ms linear infinite;
}

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

/* 按钮组 */
.btn-group {
  display: inline-flex;
}

.btn-group .btn {
  border-radius: 0;
}

.btn-group .btn:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.btn-group .btn:last-child {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.btn-group .btn-outlined + .btn-outlined {
  margin-left: -1px;
}


/* ========================================
 * 输入框组件 - Input Components
 * Requirements: 10.1, 16.9
 * ======================================== */

/* 表单字段容器 */
.form-field {
  position: relative;
  margin-bottom: var(--spacing-4);
}

/* 输入框基础样式 - Outlined 风格 */
.form-input {
  width: 100%;
  height: var(--input-height);
  padding: var(--spacing-4) var(--spacing-4);
  padding-top: var(--spacing-5);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  transition: var(--transition-color);
  box-sizing: border-box;
}

.form-input::placeholder {
  color: transparent;
}

.form-input:hover {
  border-color: var(--color-text-primary);
}

.form-input:focus {
  border-color: var(--color-primary);
  border-width: 2px;
  padding: calc(var(--spacing-4) - 1px);
  padding-top: calc(var(--spacing-5) - 1px);
}

.form-input:disabled {
  background-color: var(--color-disabled-bg);
  color: var(--color-text-disabled);
  cursor: not-allowed;
}

/* 浮动标签 - Floating Label */
.form-label {
  position: absolute;
  left: var(--spacing-4);
  top: 50%;
  transform: translateY(-50%);
  font-size: var(--font-size-md);
  color: var(--color-text-secondary);
  background-color: var(--color-bg-primary);
  padding: 0 var(--spacing-1);
  pointer-events: none;
  transition: all 200ms var(--easing-standard);
}

/* 浮动标签激活状态 */
.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
  top: 0;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
}

.form-input:not(:focus):not(:placeholder-shown) + .form-label {
  color: var(--color-text-secondary);
}

/* 错误状态 */
.form-field.has-error .form-input {
  border-color: var(--color-error);
}

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

.form-field.has-error .form-label,
.form-field.has-error .form-input:focus + .form-label,
.form-field.has-error .form-input:not(:placeholder-shown) + .form-label {
  color: var(--color-error);
}

/* 成功状态 */
.form-field.has-success .form-input {
  border-color: var(--color-success);
}

.form-field.has-success .form-label,
.form-field.has-success .form-input:focus + .form-label {
  color: var(--color-success);
}

/* 辅助文字 */
.form-helper {
  display: block;
  margin-top: var(--spacing-1);
  padding-left: var(--spacing-4);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.form-field.has-error .form-helper {
  color: var(--color-error);
}

/* 字符计数 */
.form-counter {
  position: absolute;
  right: var(--spacing-4);
  bottom: calc(-1 * var(--spacing-5));
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

/* 小尺寸输入框 */
.form-input-sm {
  height: var(--input-height-sm);
  padding: var(--spacing-2) var(--spacing-3);
  padding-top: var(--spacing-3);
  font-size: var(--font-size-base);
}

.form-input-sm + .form-label {
  left: var(--spacing-3);
  font-size: var(--font-size-base);
}

/* 文本域 */
.form-textarea {
  min-height: 120px;
  padding-top: var(--spacing-6);
  resize: vertical;
}

.form-textarea + .form-label {
  top: var(--spacing-4);
  transform: none;
}

.form-textarea:focus + .form-label,
.form-textarea:not(:placeholder-shown) + .form-label {
  top: -8px;
}

/* 输入框前缀和后缀 */
.form-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.form-input-prefix,
.form-input-suffix {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  width: var(--spacing-10);
  height: 100%;
  color: var(--color-text-secondary);
  pointer-events: none;
}

.form-input-prefix {
  left: 0;
}

.form-input-suffix {
  right: 0;
}

.form-input-wrapper .form-input.has-prefix {
  padding-left: var(--spacing-10);
}

.form-input-wrapper .form-input.has-suffix {
  padding-right: var(--spacing-10);
}

.form-input-wrapper .form-label.has-prefix {
  left: var(--spacing-10);
}


/* ========================================
 * 选择器组件 - Select Components
 * Requirements: 10.1
 * ======================================== */

/* 选择器基础样式 */
.form-select {
  width: 100%;
  height: var(--input-height);
  padding: var(--spacing-4) var(--spacing-10) var(--spacing-4) var(--spacing-4);
  padding-top: var(--spacing-5);
  font-family: var(--font-family);
  font-size: var(--font-size-md);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%235F6368' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-3) center;
  background-size: 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  outline: none;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  transition: var(--transition-color);
}

.form-select:hover {
  border-color: var(--color-text-primary);
}

.form-select:focus {
  border-color: var(--color-primary);
  border-width: 2px;
  padding: calc(var(--spacing-4) - 1px) calc(var(--spacing-10) - 1px) calc(var(--spacing-4) - 1px) calc(var(--spacing-4) - 1px);
  padding-top: calc(var(--spacing-5) - 1px);
}

.form-select:disabled {
  background-color: var(--color-disabled-bg);
  color: var(--color-text-disabled);
  cursor: not-allowed;
}

/* 选择器浮动标签 */
.form-select + .form-label {
  top: 50%;
  transform: translateY(-50%);
}

.form-select:focus + .form-label,
.form-select:not([value=""]) + .form-label,
.form-select.has-value + .form-label {
  top: 0;
  font-size: var(--font-size-sm);
  color: var(--color-primary);
}

.form-select:not(:focus).has-value + .form-label {
  color: var(--color-text-secondary);
}

/* 选择器错误状态 */
.form-field.has-error .form-select {
  border-color: var(--color-error);
}

.form-field.has-error .form-select + .form-label {
  color: var(--color-error);
}

/* 小尺寸选择器 */
.form-select-sm {
  height: var(--input-height-sm);
  padding: var(--spacing-2) var(--spacing-8) var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-base);
}


/* ========================================
 * 开关组件 - Switch/Toggle Components
 * Requirements: 10.1
 * ======================================== */

/* 开关容器 */
.form-switch {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  cursor: pointer;
  user-select: none;
}

/* 隐藏原生复选框 */
.form-switch input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* 开关轨道 */
.switch-track {
  position: relative;
  width: 36px;
  height: 14px;
  background-color: var(--color-text-disabled);
  border-radius: var(--radius-full);
  transition: background-color 200ms var(--easing-standard);
}

/* 开关滑块 */
.switch-thumb {
  position: absolute;
  top: -3px;
  left: 0;
  width: 20px;
  height: 20px;
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-full);
  box-shadow: var(--shadow-1);
  transition: transform 200ms var(--easing-standard), background-color 200ms var(--easing-standard);
}

/* 开关激活状态 */
.form-switch input:checked + .switch-track {
  background-color: rgba(26, 115, 232, 0.5);
}

.form-switch input:checked + .switch-track .switch-thumb {
  transform: translateX(16px);
  background-color: var(--color-primary);
}

/* 开关悬停状态 */
.form-switch:hover .switch-thumb {
  box-shadow: var(--shadow-2);
}

/* 开关聚焦状态 */
.form-switch input:focus-visible + .switch-track .switch-thumb {
  box-shadow: 0 0 0 8px var(--color-primary-hover), var(--shadow-1);
}

/* 开关禁用状态 */
.form-switch input:disabled + .switch-track {
  background-color: var(--color-border);
  cursor: not-allowed;
}

.form-switch input:disabled + .switch-track .switch-thumb {
  background-color: var(--color-disabled-bg);
  box-shadow: none;
}

.form-switch.disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

/* 开关标签 */
.switch-label {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}


/* ========================================
 * 复选框组件 - Checkbox Components
 * Requirements: 10.1
 * ======================================== */

/* 复选框容器 */
.form-checkbox {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  cursor: pointer;
  user-select: none;
}

/* 隐藏原生复选框 */
.form-checkbox input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* 自定义复选框 */
.checkbox-box {
  position: relative;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-text-secondary);
  border-radius: 2px;
  background-color: transparent;
  transition: all 200ms var(--easing-standard);
  flex-shrink: 0;
}

/* 复选框勾选图标 */
.checkbox-box::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 5px;
  width: 5px;
  height: 10px;
  border: solid var(--color-text-inverse);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 200ms var(--easing-standard);
}

/* 复选框选中状态 */
.form-checkbox input:checked + .checkbox-box {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form-checkbox input:checked + .checkbox-box::after {
  transform: rotate(45deg) scale(1);
}

/* 复选框不确定状态 */
.form-checkbox input:indeterminate + .checkbox-box {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

.form-checkbox input:indeterminate + .checkbox-box::after {
  top: 6px;
  left: 3px;
  width: 10px;
  height: 2px;
  border: none;
  background-color: var(--color-text-inverse);
  transform: none;
}

/* 复选框悬停状态 */
.form-checkbox:hover .checkbox-box {
  border-color: var(--color-primary);
}

.form-checkbox:hover input:checked + .checkbox-box {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

/* 复选框聚焦状态 */
.form-checkbox input:focus-visible + .checkbox-box {
  box-shadow: 0 0 0 8px var(--color-primary-hover);
}

/* 复选框禁用状态 */
.form-checkbox input:disabled + .checkbox-box {
  border-color: var(--color-border);
  background-color: var(--color-disabled-bg);
  cursor: not-allowed;
}

.form-checkbox input:disabled:checked + .checkbox-box {
  background-color: var(--color-disabled);
  border-color: var(--color-disabled);
}

.form-checkbox.disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

/* 复选框标签 */
.checkbox-label {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

.form-checkbox input:disabled ~ .checkbox-label {
  color: var(--color-text-disabled);
}


/* ========================================
 * 单选框组件 - Radio Components
 * Requirements: 10.1
 * ======================================== */

/* 单选框容器 */
.form-radio {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  cursor: pointer;
  user-select: none;
}

/* 隐藏原生单选框 */
.form-radio input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

/* 自定义单选框 */
.radio-circle {
  position: relative;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-text-secondary);
  border-radius: var(--radius-full);
  background-color: transparent;
  transition: all 200ms var(--easing-standard);
  flex-shrink: 0;
}

/* 单选框内圆点 */
.radio-circle::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 10px;
  height: 10px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transform: translate(-50%, -50%) scale(0);
  transition: transform 200ms var(--easing-standard);
}

/* 单选框选中状态 */
.form-radio input:checked + .radio-circle {
  border-color: var(--color-primary);
}

.form-radio input:checked + .radio-circle::after {
  transform: translate(-50%, -50%) scale(1);
}

/* 单选框悬停状态 */
.form-radio:hover .radio-circle {
  border-color: var(--color-primary);
}

/* 单选框聚焦状态 */
.form-radio input:focus-visible + .radio-circle {
  box-shadow: 0 0 0 8px var(--color-primary-hover);
}

/* 单选框禁用状态 */
.form-radio input:disabled + .radio-circle {
  border-color: var(--color-border);
  background-color: var(--color-disabled-bg);
  cursor: not-allowed;
}

.form-radio input:disabled:checked + .radio-circle::after {
  background-color: var(--color-disabled);
}

.form-radio.disabled {
  cursor: not-allowed;
  opacity: 0.6;
}

/* 单选框标签 */
.radio-label {
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

.form-radio input:disabled ~ .radio-label {
  color: var(--color-text-disabled);
}

/* 单选框组 */
.radio-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-3);
}

.radio-group.horizontal {
  flex-direction: row;
  flex-wrap: wrap;
  gap: var(--spacing-4);
}

/* 单选框组标题 */
.radio-group-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}


/* ========================================
 * 芯片组件 - Chip Components
 * Requirements: 10.2
 * ======================================== */

/* 芯片基础样式 */
.chip {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  height: 32px;
  padding: 0 var(--spacing-3);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  border: none;
  cursor: default;
  user-select: none;
  transition: var(--transition-color);
}

/* 可点击芯片 */
.chip.clickable {
  cursor: pointer;
}

.chip.clickable:hover {
  background-color: var(--color-border);
}

/* 芯片选中状态 */
.chip.selected {
  background-color: var(--color-primary-hover);
  color: var(--color-primary);
}

/* 芯片尺寸变体 */
.chip-sm {
  height: 24px;
  padding: 0 var(--spacing-2);
  font-size: var(--font-size-xs);
}

/* 芯片图标 */
.chip-icon {
  width: 18px;
  height: 18px;
  margin-left: calc(-1 * var(--spacing-1));
}

.chip-sm .chip-icon {
  width: 16px;
  height: 16px;
}

/* 芯片关闭按钮 */
.chip-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  margin-right: calc(-1 * var(--spacing-1));
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: var(--transition-color);
}

.chip-close:hover {
  background-color: var(--color-hover-overlay);
  color: var(--color-text-primary);
}

/* 语义色芯片 */
.chip-primary {
  background-color: var(--color-primary-hover);
  color: var(--color-primary);
}

.chip-success {
  background-color: rgba(52, 168, 83, 0.1);
  color: var(--color-success-dark);
}

.chip-warning {
  background-color: rgba(251, 188, 4, 0.2);
  color: var(--color-warning-dark);
}

.chip-error {
  background-color: rgba(234, 67, 53, 0.1);
  color: var(--color-error);
}

/* ========================================
 * 徽章组件 - Badge Components
 * Requirements: 10.2
 * ======================================== */

/* 徽章基础样式 */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 var(--spacing-1);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-inverse);
  background-color: var(--color-error);
  border-radius: var(--radius-full);
}

/* 小圆点徽章 */
.badge-dot {
  min-width: 8px;
  width: 8px;
  height: 8px;
  padding: 0;
}

/* 徽章颜色变体 */
.badge-primary {
  background-color: var(--color-primary);
}

.badge-success {
  background-color: var(--color-success);
}

.badge-warning {
  background-color: var(--color-warning);
  color: var(--color-text-primary);
}

/* 徽章容器 */
.badge-wrapper {
  position: relative;
  display: inline-flex;
}

.badge-wrapper .badge {
  position: absolute;
  top: -4px;
  right: -4px;
}

/* ========================================
 * 状态徽章组件 - Status Badge Components
 * ======================================== */

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  border-radius: var(--radius-sm);
}

.status-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: currentColor;
}

.status-badge-success {
  color: var(--color-success-dark);
  background-color: rgba(52, 168, 83, 0.1);
}

.status-badge-warning {
  color: var(--color-warning-dark);
  background-color: rgba(251, 188, 4, 0.2);
}

.status-badge-error {
  color: var(--color-error);
  background-color: rgba(234, 67, 53, 0.1);
}

.status-badge-info {
  color: var(--color-info-dark);
  background-color: rgba(66, 133, 244, 0.1);
}

.status-badge-default {
  color: var(--color-text-secondary);
  background-color: var(--color-bg-tertiary);
}


/* ========================================
 * 进度条组件 - Progress Components
 * Requirements: 10.2
 * ======================================== */

/* 线性进度条 */
.progress {
  position: relative;
  width: 100%;
  height: 4px;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 300ms var(--easing-standard);
}

/* 进度条颜色变体 */
.progress-success .progress-bar {
  background-color: var(--color-success);
}

.progress-warning .progress-bar {
  background-color: var(--color-warning);
}

.progress-error .progress-bar {
  background-color: var(--color-error);
}

/* 不确定进度条 */
.progress-indeterminate .progress-bar {
  width: 30%;
  animation: progress-indeterminate 1.5s infinite var(--easing-standard);
}

@keyframes progress-indeterminate {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(400%);
  }
}

/* 带标签的进度条 */
.progress-labeled {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.progress-labeled .progress {
  flex: 1;
}

.progress-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  min-width: 40px;
  text-align: right;
}

/* 圆形进度条 */
.progress-circular {
  position: relative;
  width: 40px;
  height: 40px;
}

.progress-circular svg {
  transform: rotate(-90deg);
}

.progress-circular-track {
  fill: none;
  stroke: var(--color-bg-tertiary);
  stroke-width: 4;
}

.progress-circular-bar {
  fill: none;
  stroke: var(--color-primary);
  stroke-width: 4;
  stroke-linecap: round;
  transition: stroke-dashoffset 300ms var(--easing-standard);
}

/* ========================================
 * 分隔线组件 - Divider Components
 * ======================================== */

.divider {
  height: 1px;
  background-color: var(--color-divider);
  border: none;
  margin: var(--spacing-4) 0;
}

.divider-light {
  background-color: var(--color-divider-light);
}

.divider-vertical {
  width: 1px;
  height: auto;
  align-self: stretch;
  margin: 0 var(--spacing-4);
}

/* 带文字的分隔线 */
.divider-text {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  color: var(--color-text-secondary);
  font-size: var(--font-size-sm);
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background-color: var(--color-divider);
}

/* ========================================
 * 头像组件 - Avatar Components
 * ======================================== */

.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-md);
  font-weight: var(--font-weight-medium);
  overflow: hidden;
  flex-shrink: 0;
}

.avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 头像尺寸变体 */
.avatar-sm {
  width: 32px;
  height: 32px;
  font-size: var(--font-size-sm);
}

.avatar-lg {
  width: 56px;
  height: 56px;
  font-size: var(--font-size-xl);
}

.avatar-xl {
  width: 80px;
  height: 80px;
  font-size: var(--font-size-2xl);
}

/* 头像组 */
.avatar-group {
  display: flex;
}

.avatar-group .avatar {
  border: 2px solid var(--color-bg-primary);
  margin-left: -8px;
}

.avatar-group .avatar:first-child {
  margin-left: 0;
}

/* 头像状态指示器 */
.avatar-wrapper {
  position: relative;
  display: inline-flex;
}

.avatar-status {
  position: absolute;
  bottom: 0;
  right: 0;
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  border: 2px solid var(--color-bg-primary);
}

.avatar-status-online {
  background-color: var(--color-success);
}

.avatar-status-offline {
  background-color: var(--color-text-disabled);
}

.avatar-status-busy {
  background-color: var(--color-error);
}


/* ========================================
 * 工具提示组件 - Tooltip Components
 * ======================================== */

.tooltip-wrapper {
  position: relative;
  display: inline-flex;
}

.tooltip {
  position: absolute;
  z-index: var(--z-tooltip);
  padding: var(--spacing-2) var(--spacing-3);
  font-size: var(--font-size-sm);
  color: var(--color-text-inverse);
  background-color: var(--color-text-primary);
  border-radius: var(--radius-sm);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: opacity 200ms var(--easing-standard), visibility 200ms var(--easing-standard);
  pointer-events: none;
}

.tooltip-wrapper:hover .tooltip {
  opacity: 1;
  visibility: visible;
}

/* 工具提示位置 */
.tooltip-top {
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-bottom: var(--spacing-2);
}

.tooltip-bottom {
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  margin-top: var(--spacing-2);
}

.tooltip-left {
  right: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-right: var(--spacing-2);
}

.tooltip-right {
  left: 100%;
  top: 50%;
  transform: translateY(-50%);
  margin-left: var(--spacing-2);
}

/* ========================================
 * 下拉菜单组件 - Dropdown Components
 * ======================================== */

.dropdown {
  position: relative;
  display: inline-flex;
}

.dropdown-menu {
  position: absolute;
  z-index: var(--z-dropdown);
  min-width: 160px;
  padding: var(--spacing-2) 0;
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity 200ms var(--easing-standard), 
              transform 200ms var(--easing-standard), 
              visibility 200ms var(--easing-standard);
}

.dropdown.open .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 下拉菜单位置 */
.dropdown-menu-top {
  bottom: 100%;
  margin-bottom: var(--spacing-2);
}

.dropdown-menu-bottom {
  top: 100%;
  margin-top: var(--spacing-2);
}

.dropdown-menu-left {
  left: 0;
}

.dropdown-menu-right {
  right: 0;
}

/* 下拉菜单项 */
.dropdown-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  width: 100%;
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: none;
  border: none;
  text-align: left;
  cursor: pointer;
  transition: background-color 100ms var(--easing-standard);
}

.dropdown-item:hover {
  background-color: var(--color-hover-overlay);
}

.dropdown-item:active {
  background-color: var(--color-active-overlay);
}

.dropdown-item.active {
  background-color: var(--color-primary-hover);
  color: var(--color-primary);
}

.dropdown-item:disabled {
  color: var(--color-text-disabled);
  cursor: not-allowed;
}

.dropdown-item-icon {
  width: 20px;
  height: 20px;
  color: var(--color-text-secondary);
}

/* 下拉菜单分隔线 */
.dropdown-divider {
  height: 1px;
  margin: var(--spacing-2) 0;
  background-color: var(--color-divider);
}

/* 下拉菜单标题 */
.dropdown-header {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

/* ========================================
 * 表单布局组件 - Form Layout Components
 * ======================================== */

/* 表单组 */
.form-group {
  margin-bottom: var(--spacing-6);
}

/* 表单行 */
.form-row {
  display: flex;
  gap: var(--spacing-4);
  margin-bottom: var(--spacing-4);
}

.form-row > * {
  flex: 1;
}

/* 表单标签 */
.form-group-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
}

/* 必填标记 */
.required::after {
  content: ' *';
  color: var(--color-error);
}

/* 表单操作区 */
.form-actions {
  display: flex;
  gap: var(--spacing-3);
  justify-content: flex-end;
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-divider);
  margin-top: var(--spacing-6);
}

/* 内联表单 */
.form-inline {
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-3);
  flex-wrap: wrap;
}

.form-inline .form-field {
  margin-bottom: 0;
}


/* ========================================
 * Snackbar 消息提示组件 - Snackbar Components
 * Requirements: 10.3, 11.4
 * ======================================== */

/* Snackbar 容器 */
.snackbar-container {
  position: fixed;
  bottom: var(--spacing-6);
  left: 50%;
  transform: translateX(-50%);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-2);
  pointer-events: none;
}

/* Snackbar 基础样式 */
.snackbar {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  min-width: 288px;
  max-width: 568px;
  padding: var(--spacing-3) var(--spacing-4);
  background-color: var(--color-text-primary);
  color: var(--color-text-inverse);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-6);
  font-size: var(--font-size-base);
  pointer-events: auto;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 200ms var(--easing-decelerate), 
              transform 200ms var(--easing-decelerate);
}

.snackbar-visible {
  opacity: 1;
  transform: translateY(0);
}

.snackbar-hiding {
  opacity: 0;
  transform: translateY(100%);
}

/* Snackbar 图标 */
.snackbar-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.snackbar-icon svg {
  width: 20px;
  height: 20px;
}

/* Snackbar 消息 */
.snackbar-message {
  flex: 1;
  line-height: var(--line-height-normal);
}

/* Snackbar 操作按钮 */
.snackbar-action {
  flex-shrink: 0;
  padding: var(--spacing-1) var(--spacing-2);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary-light);
  background: none;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color 100ms var(--easing-standard);
}

.snackbar-action:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

/* Snackbar 关闭按钮 */
.snackbar-close {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  padding: 0;
  background: none;
  border: none;
  border-radius: var(--radius-full);
  color: var(--color-text-inverse);
  opacity: 0.7;
  cursor: pointer;
  transition: opacity 100ms var(--easing-standard), 
              background-color 100ms var(--easing-standard);
}

.snackbar-close:hover {
  opacity: 1;
  background-color: rgba(255, 255, 255, 0.1);
}

/* Snackbar 类型变体 */
.snackbar-success {
  background-color: var(--color-success-dark);
}

.snackbar-success .snackbar-action {
  color: var(--color-success-light);
}

.snackbar-warning {
  background-color: var(--color-warning-dark);
  color: var(--color-text-primary);
}

.snackbar-warning .snackbar-action {
  color: var(--color-text-primary);
}

.snackbar-warning .snackbar-close {
  color: var(--color-text-primary);
}

.snackbar-error {
  background-color: var(--color-error-dark);
}

.snackbar-error .snackbar-action {
  color: var(--color-error-light);
}

.snackbar-info {
  background-color: var(--color-info-dark);
}

.snackbar-info .snackbar-action {
  color: var(--color-info-light);
}

/* 响应式 Snackbar */
@media (max-width: 600px) {
  .snackbar-container {
    left: var(--spacing-4);
    right: var(--spacing-4);
    transform: none;
  }

  .snackbar {
    min-width: auto;
    max-width: none;
    width: 100%;
  }
}


/* ========================================
 * 对话框组件 - Dialog Components
 * Requirements: 10.3
 * ======================================== */

/* 对话框遮罩层 */
.dialog-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-modal-backdrop);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-4);
  background-color: var(--color-overlay);
  opacity: 0;
  transition: opacity 200ms var(--easing-standard);
}

.dialog-overlay-visible {
  opacity: 1;
}

/* 对话框容器 */
.dialog {
  position: relative;
  z-index: var(--z-modal);
  display: flex;
  flex-direction: column;
  max-height: calc(100vh - var(--spacing-8));
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-8);
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 200ms var(--easing-decelerate), 
              transform 200ms var(--easing-decelerate);
}

.dialog-visible {
  opacity: 1;
  transform: scale(1);
}

.dialog-hiding {
  opacity: 0;
  transform: scale(0.9);
}

/* 对话框尺寸变体 */
.dialog-sm {
  width: 400px;
  max-width: 100%;
}

.dialog-md {
  width: 560px;
  max-width: 100%;
}

.dialog-lg {
  width: 800px;
  max-width: 100%;
}

.dialog-xl {
  width: 1140px;
  max-width: 100%;
}

.dialog-fullscreen {
  width: 100%;
  height: 100%;
  max-height: 100vh;
  border-radius: 0;
}

/* 对话框头部 */
.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-4) var(--spacing-6);
  border-bottom: 1px solid var(--color-divider-light);
  flex-shrink: 0;
}

.dialog-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin: 0;
}

.dialog-close {
  margin: calc(-1 * var(--spacing-2));
  margin-left: var(--spacing-2);
}

/* 对话框内容 */
.dialog-body {
  flex: 1;
  padding: var(--spacing-6);
  overflow-y: auto;
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  line-height: var(--line-height-relaxed);
}

.dialog-body p {
  margin: 0 0 var(--spacing-4);
}

.dialog-body p:last-child {
  margin-bottom: 0;
}

/* 对话框底部 */
.dialog-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--spacing-2);
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--color-divider-light);
  flex-shrink: 0;
}

/* 响应式对话框 */
@media (max-width: 600px) {
  .dialog-overlay {
    padding: 0;
    align-items: flex-end;
  }

  .dialog {
    width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  }

  .dialog-fullscreen {
    max-height: 100vh;
    border-radius: 0;
  }
}


/* ========================================
 * 骨架屏组件 - Skeleton Components
 * Requirements: 11.3
 * ======================================== */

/* 骨架屏基础样式 */
.skeleton {
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-sm);
}

/* 骨架屏动画 */
.skeleton-animated {
  position: relative;
  overflow: hidden;
}

.skeleton-animated::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.4),
    transparent
  );
  animation: skeleton-shimmer 1.5s infinite;
}

@keyframes skeleton-shimmer {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(100%);
  }
}

/* 骨架屏类型 */
.skeleton-text {
  height: 14px;
  width: 100%;
  margin-bottom: var(--spacing-2);
}

.skeleton-text:last-child {
  margin-bottom: 0;
}

.skeleton-text-sm {
  height: 12px;
}

.skeleton-text-lg {
  height: 18px;
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: var(--spacing-3);
}

.skeleton-circle {
  border-radius: var(--radius-full);
}

.skeleton-rect {
  border-radius: var(--radius-md);
}

/* 骨架屏文本组 */
.skeleton-text-group {
  display: flex;
  flex-direction: column;
}

/* 骨架屏卡片 */
.skeleton-card {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  overflow: hidden;
}

.skeleton-card-image {
  width: 100%;
  border-radius: 0;
}

.skeleton-card-content {
  padding: var(--spacing-4);
}

.skeleton-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-4);
}

.skeleton-card-title-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.skeleton-card-actions {
  display: flex;
  gap: var(--spacing-2);
  margin-top: var(--spacing-4);
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-divider-light);
}

/* 骨架屏表格 */
.skeleton-table {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.skeleton-table-header {
  display: flex;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-divider);
}

.skeleton-table-row {
  display: flex;
  gap: var(--spacing-4);
  padding: var(--spacing-4);
  border-bottom: 1px solid var(--color-divider-light);
}

.skeleton-table-row:last-child {
  border-bottom: none;
}

.skeleton-table-cell {
  flex: 1;
  margin-bottom: 0;
}

/* 骨架屏列表 */
.skeleton-list {
  display: flex;
  flex-direction: column;
}

.skeleton-list-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) 0;
  border-bottom: 1px solid var(--color-divider-light);
}

.skeleton-list-item:last-child {
  border-bottom: none;
}

.skeleton-list-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.skeleton-list-content .skeleton {
  margin-bottom: 0;
}


/* ========================================
 * 空状态组件 - Empty State Components
 * Requirements: 11.7
 * ======================================== */

/* 空状态容器 */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8);
  text-align: center;
}

/* 空状态尺寸变体 */
.empty-state-sm {
  padding: var(--spacing-4);
}

.empty-state-sm .empty-state-visual {
  margin-bottom: var(--spacing-3);
}

.empty-state-sm .empty-state-icon svg {
  width: 48px;
  height: 48px;
}

.empty-state-sm .empty-state-title {
  font-size: var(--font-size-md);
}

.empty-state-sm .empty-state-description {
  font-size: var(--font-size-sm);
}

.empty-state-lg {
  padding: var(--spacing-12);
}

.empty-state-lg .empty-state-icon svg {
  width: 96px;
  height: 96px;
}

.empty-state-lg .empty-state-title {
  font-size: var(--font-size-xl);
}

/* 空状态视觉元素 */
.empty-state-visual {
  margin-bottom: var(--spacing-4);
}

.empty-state-icon {
  color: var(--color-text-disabled);
}

.empty-state-icon svg {
  width: 64px;
  height: 64px;
}

.empty-state-image {
  max-width: 200px;
  height: auto;
}

/* 空状态标题 */
.empty-state-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  margin: 0 0 var(--spacing-2);
}

/* 空状态描述 */
.empty-state-description {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
  margin: 0 0 var(--spacing-4);
  max-width: 400px;
  line-height: var(--line-height-relaxed);
}

/* 空状态操作按钮 */
.empty-state-actions {
  display: flex;
  gap: var(--spacing-3);
  flex-wrap: wrap;
  justify-content: center;
}


/* ========================================
 * 加载指示器组件 - Loading Indicator Components
 * Requirements: 11.3
 * ======================================== */

/* 加载指示器容器 */
.loading-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-3);
}

/* 加载指示器覆盖层 */
.loading-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(255, 255, 255, 0.8);
  z-index: 10;
}

/* 加载指示器尺寸 */
.loading-sm .loading-spinner-element {
  width: 20px;
  height: 20px;
  border-width: 2px;
}

.loading-md .loading-spinner-element {
  width: 32px;
  height: 32px;
  border-width: 3px;
}

.loading-lg .loading-spinner-element {
  width: 48px;
  height: 48px;
  border-width: 4px;
}

/* 旋转加载器 */
.loading-spinner-element {
  width: 32px;
  height: 32px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: loading-spin 800ms linear infinite;
}

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

/* 加载器颜色变体 */
.loading-color-primary .loading-spinner-element {
  border-top-color: var(--color-primary);
}

.loading-color-success .loading-spinner-element {
  border-top-color: var(--color-success);
}

.loading-color-warning .loading-spinner-element {
  border-top-color: var(--color-warning);
}

.loading-color-error .loading-spinner-element {
  border-top-color: var(--color-error);
}

/* 点状加载器 */
.loading-dots-element {
  display: flex;
  gap: var(--spacing-1);
}

.loading-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: loading-dots 1.4s ease-in-out infinite both;
}

.loading-dot:nth-child(1) {
  animation-delay: -0.32s;
}

.loading-dot:nth-child(2) {
  animation-delay: -0.16s;
}

@keyframes loading-dots {
  0%, 80%, 100% {
    transform: scale(0);
    opacity: 0.5;
  }
  40% {
    transform: scale(1);
    opacity: 1;
  }
}

.loading-sm .loading-dot {
  width: 6px;
  height: 6px;
}

.loading-lg .loading-dot {
  width: 12px;
  height: 12px;
}

/* 条形加载器 */
.loading-bar-element {
  width: 100%;
  max-width: 200px;
  height: 4px;
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.loading-bar-element::after {
  content: '';
  display: block;
  width: 30%;
  height: 100%;
  background-color: var(--color-primary);
  border-radius: var(--radius-full);
  animation: loading-bar 1.5s ease-in-out infinite;
}

@keyframes loading-bar {
  0% {
    transform: translateX(-100%);
  }
  100% {
    transform: translateX(400%);
  }
}

/* 加载文字 */
.loading-text {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

.loading-sm .loading-text {
  font-size: var(--font-size-xs);
}

.loading-lg .loading-text {
  font-size: var(--font-size-base);
}


/* ========================================
 * 图表组件样式 - Chart Components
 * Requirements: 12.1-12.8
 * ======================================== */

/* 图表容器基础样式 */
.chart-container {
  position: relative;
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-md);
  padding: var(--spacing-4);
}

/* 图表头部 */
.chart-header {
  margin-bottom: var(--spacing-4);
}

.chart-title {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin: 0;
}

.chart-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-text-disabled);
  margin-top: var(--spacing-1);
}

/* 图表主体 */
.chart-body {
  position: relative;
  width: 100%;
  height: calc(100% - 60px);
  min-height: 200px;
}

.chart-body-with-legend {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.chart-body-with-legend.chart-legend-position-left {
  flex-direction: row;
}

.chart-body-with-legend.chart-legend-position-right {
  flex-direction: row;
}

/* 图表 SVG */
.chart-svg {
  width: 100%;
  height: 100%;
}

/* 图表网格线 */
.chart-grid {
  position: absolute;
  top: 0;
  left: 60px;
  right: 0;
  bottom: 40px;
  pointer-events: none;
}

.chart-grid-line {
  position: absolute;
  left: 0;
  right: 0;
  border-top: 1px dashed var(--color-border-light);
}

.chart-grid-label {
  position: absolute;
  left: -55px;
  top: -8px;
  font-size: var(--font-size-xs);
  color: var(--color-text-disabled);
  width: 50px;
  text-align: right;
}

/* 图表轴标签 */
.chart-axis-label {
  font-size: 11px;
  fill: var(--color-text-secondary);
}

/* ========================================
 * 柱状图样式 - Bar Chart Styles
 * ======================================== */

.bar-chart .chart-bars {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 100%;
  padding: var(--spacing-4) var(--spacing-6);
  gap: var(--spacing-2);
}

.chart-bar-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  max-width: 80px;
  transition: opacity 200ms var(--easing-standard);
}

.chart-bar-group-dimmed {
  opacity: 0.4;
}

.chart-bar-wrapper {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 2px;
  width: 100%;
  height: 200px;
}

.chart-bar {
  position: relative;
  width: 100%;
  max-width: 40px;
  height: var(--bar-percent, 0%);
  background-color: var(--bar-color, var(--color-primary));
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transition: height 600ms var(--easing-decelerate), 
              opacity 200ms var(--easing-standard);
  cursor: pointer;
}

.chart-animated .chart-bar {
  animation: bar-grow 600ms var(--easing-decelerate) forwards;
  animation-delay: var(--bar-delay, 0ms);
  height: 0;
}

@keyframes bar-grow {
  to {
    height: var(--bar-percent, 0%);
  }
}

.chart-bar:hover {
  opacity: 0.85;
}

.chart-bar-value {
  position: absolute;
  top: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  white-space: nowrap;
}

.chart-bar-label {
  margin-top: var(--spacing-2);
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

/* 多系列柱状图 */
.chart-bar-group:not(.chart-bar-group-stacked) .chart-bar-wrapper {
  gap: 2px;
}

.chart-bar-group:not(.chart-bar-group-stacked) .chart-bar {
  max-width: 20px;
}

/* 堆叠柱状图 */
.chart-bar-group-stacked .chart-bar-wrapper {
  flex-direction: column-reverse;
  align-items: stretch;
}

.chart-bar-group-stacked .chart-bar {
  border-radius: 0;
  max-width: none;
}

.chart-bar-group-stacked .chart-bar:first-child {
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
}

.chart-bar-group-stacked .chart-bar:last-child {
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

/* 水平柱状图 */
.bar-chart-horizontal .chart-bars {
  flex-direction: column;
  align-items: flex-start;
}

.bar-chart-horizontal .chart-bar-group {
  flex-direction: row;
  max-width: none;
  width: 100%;
}

.bar-chart-horizontal .chart-bar-wrapper {
  flex-direction: row;
  align-items: center;
  height: 24px;
  width: calc(100% - 100px);
}

.bar-chart-horizontal .chart-bar {
  height: 100%;
  width: var(--bar-percent, 0%);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.bar-chart-horizontal .chart-bar-label {
  width: 90px;
  text-align: right;
  margin-top: 0;
  margin-right: var(--spacing-2);
}

.bar-chart-horizontal .chart-bar-value {
  position: static;
  transform: none;
  margin-left: var(--spacing-2);
}

/* ========================================
 * 折线图样式 - Line Chart Styles
 * ======================================== */

.line-chart .chart-body {
  padding: 0;
}

.chart-line-series {
  transition: opacity 200ms var(--easing-standard);
}

.chart-series-hidden {
  opacity: 0.1;
}

.chart-line-path {
  stroke-linecap: round;
  stroke-linejoin: round;
}

.chart-animated .chart-line-path {
  stroke-dasharray: 2000;
  stroke-dashoffset: 2000;
  animation: line-draw 1500ms var(--easing-decelerate) forwards;
}

@keyframes line-draw {
  to {
    stroke-dashoffset: 0;
  }
}

.chart-line-area {
  opacity: 0;
}

.chart-animated .chart-line-area {
  animation: area-fade 800ms var(--easing-decelerate) 500ms forwards;
}

@keyframes area-fade {
  to {
    opacity: 1;
  }
}

.chart-line-dot {
  opacity: 0;
  cursor: pointer;
  transition: r 200ms var(--easing-standard);
}

.chart-animated .chart-line-dot {
  animation: dot-appear 300ms var(--easing-decelerate) forwards;
}

@keyframes dot-appear {
  to {
    opacity: 1;
  }
}

.chart-line-dot:hover {
  r: 6;
}

/* ========================================
 * 饼图/环形图样式 - Pie/Donut Chart Styles
 * ======================================== */

.pie-chart .chart-body {
  display: flex;
  align-items: center;
  justify-content: center;
}

.chart-pie-wrapper {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 300px;
}

.chart-pie-svg {
  max-width: 100%;
  max-height: 100%;
}

.chart-pie-slice {
  cursor: pointer;
  transition: transform 200ms var(--easing-standard), 
              opacity 200ms var(--easing-standard);
  transform-origin: center;
}

.chart-pie-slice-active {
  transform: scale(1.03);
}

.chart-pie-slice-dimmed {
  opacity: 0.4;
}

.chart-pie-path {
  transition: opacity 200ms var(--easing-standard);
}

.chart-animated .chart-pie-path {
  opacity: 0;
  animation: pie-appear 400ms var(--easing-decelerate) forwards;
  animation-delay: var(--slice-delay, 0ms);
}

@keyframes pie-appear {
  to {
    opacity: 1;
  }
}

.chart-pie-label {
  font-size: 11px;
  fill: var(--color-text-secondary);
  pointer-events: none;
}

.chart-pie-center-text {
  font-size: 24px;
  font-weight: var(--font-weight-medium);
  fill: var(--color-text-primary);
}

.chart-pie-center-subtext {
  font-size: 12px;
  fill: var(--color-text-secondary);
}

/* ========================================
 * 图表图例样式 - Chart Legend Styles
 * ======================================== */

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-3);
  padding: var(--spacing-3) 0;
}

.chart-legend-bottom {
  justify-content: center;
  border-top: 1px solid var(--color-divider-light);
  margin-top: var(--spacing-3);
}

.chart-legend-top {
  justify-content: center;
  border-bottom: 1px solid var(--color-divider-light);
  margin-bottom: var(--spacing-3);
}

.chart-legend-vertical {
  flex-direction: column;
  flex-wrap: nowrap;
  min-width: 120px;
  max-width: 180px;
}

.chart-legend-left {
  padding-right: var(--spacing-4);
  border-right: 1px solid var(--color-divider-light);
}

.chart-legend-right {
  padding-left: var(--spacing-4);
  border-left: 1px solid var(--color-divider-light);
}

.chart-legend-item {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: opacity 200ms var(--easing-standard);
}

.chart-legend-item:hover {
  color: var(--color-text-primary);
}

.chart-legend-item-hidden {
  opacity: 0.4;
}

.chart-legend-item-hidden .chart-legend-color {
  background-color: var(--color-text-disabled) !important;
}

.chart-legend-color {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.chart-legend-line {
  width: 16px;
  height: 3px;
  border-radius: var(--radius-full);
}

.chart-legend-label {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chart-legend-value {
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

.chart-legend-percent {
  color: var(--color-text-disabled);
  font-size: var(--font-size-xs);
}

/* ========================================
 * 图表工具提示样式 - Chart Tooltip Styles
 * ======================================== */

.chart-tooltip {
  position: absolute;
  z-index: var(--z-tooltip);
  padding: var(--spacing-2) var(--spacing-3);
  background-color: var(--color-text-primary);
  color: var(--color-text-inverse);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-4);
  pointer-events: none;
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 150ms var(--easing-standard), 
              transform 150ms var(--easing-standard);
  white-space: nowrap;
}

.chart-tooltip-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ========================================
 * 图表空状态样式 - Chart Empty State Styles
 * ======================================== */

.chart-empty .chart-body {
  display: flex;
  align-items: center;
  justify-content: center;
}

.chart-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-8);
  text-align: center;
}

.chart-empty-icon {
  font-size: 48px;
  color: var(--color-text-disabled);
  margin-bottom: var(--spacing-3);
}

.chart-empty-message {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}

/* ========================================
 * 图表导出按钮样式 - Chart Export Buttons
 * ======================================== */

.chart-export-buttons {
  display: flex;
  gap: var(--spacing-2);
  margin-top: var(--spacing-3);
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--color-divider-light);
}

/* ========================================
 * 趋势指示器样式 - Trend Indicator Styles
 * ======================================== */

.trend-indicator {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-1);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.trend-indicator.trend-sm {
  font-size: var(--font-size-xs);
}

.trend-indicator.trend-lg {
  font-size: var(--font-size-base);
}

.trend-icon {
  display: flex;
  align-items: center;
  justify-content: center;
}

.trend-icon svg {
  width: 16px;
  height: 16px;
}

.trend-sm .trend-icon svg {
  width: 12px;
  height: 12px;
}

.trend-lg .trend-icon svg {
  width: 20px;
  height: 20px;
}

.trend-success {
  color: var(--color-success);
}

.trend-error {
  color: var(--color-error);
}

.trend-neutral {
  color: var(--color-text-secondary);
}

/* ========================================
 * 统计卡片样式 - Stat Card Styles
 * ======================================== */

.stat-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  padding: var(--spacing-4);
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
}

.stat-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: var(--color-primary-hover);
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
}

.stat-primary .stat-icon {
  background-color: var(--color-primary-hover);
  color: var(--color-primary);
}

.stat-success .stat-icon {
  background-color: rgba(52, 168, 83, 0.1);
  color: var(--color-success);
}

.stat-warning .stat-icon {
  background-color: rgba(251, 188, 4, 0.15);
  color: var(--color-warning-dark);
}

.stat-error .stat-icon {
  background-color: rgba(234, 67, 53, 0.1);
  color: var(--color-error);
}

.stat-content {
  flex: 1;
  min-width: 0;
}

.stat-value {
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  line-height: 1.2;
}

.stat-label {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-top: var(--spacing-1);
}

.stat-description {
  font-size: var(--font-size-xs);
  color: var(--color-text-disabled);
  margin-top: var(--spacing-1);
}

.stat-trend {
  margin-top: var(--spacing-2);
}

.stat-cards {
  display: grid;
  gap: var(--spacing-4);
}

.stat-cards.grid-2 {
  grid-template-columns: repeat(2, 1fr);
}

.stat-cards.grid-3 {
  grid-template-columns: repeat(3, 1fr);
}

.stat-cards.grid-4 {
  grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
  .stat-cards.grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .stat-cards.grid-4,
  .stat-cards.grid-3,
  .stat-cards.grid-2 {
    grid-template-columns: 1fr;
  }
}

/* ========================================
 * 迷你图表样式 - Mini Chart Styles
 * ======================================== */

.mini-chart {
  display: block;
}

.mini-chart-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-disabled);
  font-size: var(--font-size-sm);
}

.mini-chart.donut {
  position: relative;
}

.mini-chart.donut .donut-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}


/* ========================================
 * 状态卡片组件 - Status Card Components
 * 用于展示资源状态概览（骑手、VAS、无人机等）
 * Requirements: 7.1, 7.2, 7.3
 * ======================================== */

/* 状态卡片基础样式 */
.status-card {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  padding: var(--spacing-4);
  transition: var(--transition-shadow);
}

.status-card:hover {
  box-shadow: var(--shadow-4);
}

/* 状态卡片头部 */
.status-card-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-2);
}

.status-card .status-name {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
  flex: 1;
}

.status-card .status-text {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-sm);
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-secondary);
}

/* 状态卡片描述 */
.status-card .status-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3);
}

/* 状态卡片指标区域 */
.status-card .status-metrics {
  display: flex;
  gap: var(--spacing-4);
  padding-top: var(--spacing-3);
  border-top: 1px solid var(--color-divider-light);
}

.status-card .metric-item {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-1);
}

.status-card .metric-label {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

.status-card .metric-value {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-primary);
}

/* 状态卡片更新时间 */
.status-card .status-update {
  font-size: var(--font-size-xs);
  color: var(--color-text-disabled);
  margin-top: var(--spacing-2);
}

/* 状态卡片颜色变体 - 在线状态 */
.status-card.status-online {
  border-left: 3px solid var(--color-success);
}

.status-card.status-online .status-text {
  background-color: rgba(52, 168, 83, 0.1);
  color: var(--color-success-dark);
}

/* 状态卡片颜色变体 - 警告状态 */
.status-card.status-warning {
  border-left: 3px solid var(--color-warning);
}

.status-card.status-warning .status-text {
  background-color: rgba(251, 188, 4, 0.15);
  color: var(--color-warning-dark);
}

/* 状态卡片颜色变体 - 离线状态 */
.status-card.status-offline {
  border-left: 3px solid var(--color-text-disabled);
}

.status-card.status-offline .status-text {
  background-color: var(--color-bg-tertiary);
  color: var(--color-text-disabled);
}

/* 状态卡片颜色变体 - 错误状态 */
.status-card.status-error {
  border-left: 3px solid var(--color-error);
}

.status-card.status-error .status-text {
  background-color: rgba(234, 67, 53, 0.1);
  color: var(--color-error);
}

/* 状态卡片颜色变体 - 繁忙状态 */
.status-card.status-busy {
  border-left: 3px solid var(--color-info);
}

.status-card.status-busy .status-text {
  background-color: rgba(66, 133, 244, 0.1);
  color: var(--color-info-dark);
}

/* 响应式样式 */
@media (max-width: 768px) {
  .status-card .status-metrics {
    flex-wrap: wrap;
  }
  
  .status-card .metric-item {
    min-width: 80px;
  }
}


/* ========================================
 * 日志面板组件 - Log Panel Components
 * 用于显示操作日志和系统消息
 * ======================================== */

/* 日志面板容器 */
.log-panel-container {
  background-color: var(--color-bg-primary);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 400px;
}

/* 日志面板头部 */
.log-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-3) var(--spacing-4);
  background-color: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-divider-light);
  flex-shrink: 0;
}

.log-panel-title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

/* 日志面板内容区域 */
.log-panel-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-3);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
  line-height: 1.6;
  background-color: var(--color-bg-tertiary);
}

/* 日志条目 */
.log-entry {
  padding: var(--spacing-1) 0;
  border-bottom: 1px solid var(--color-divider-light);
  display: flex;
  gap: var(--spacing-2);
  align-items: flex-start;
}

.log-entry:last-child {
  border-bottom: none;
}

/* 日志时间戳 */
.log-timestamp {
  color: var(--color-text-disabled);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  flex-shrink: 0;
}

/* 日志消息 */
.log-message {
  flex: 1;
  word-break: break-word;
}

/* 日志级别样式 */
.log-entry.log-info .log-message {
  color: var(--color-text-secondary);
}

.log-entry.log-success .log-message {
  color: var(--color-success);
}

.log-entry.log-warning .log-message {
  color: var(--color-warning-dark);
}

.log-entry.log-error .log-message {
  color: var(--color-error);
}

/* 日志面板空状态 */
.log-panel-empty {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--color-text-disabled);
  font-size: var(--font-size-sm);
}

/* 响应式样式 */
@media (max-width: 768px) {
  .log-panel-container {
    height: 300px;
  }
  
  .log-panel-body {
    font-size: var(--font-size-xs);
  }
}


/* ========================================
 * API 响应组件 - API Response Components
 * 用于显示 API 调用结果
 * ======================================== */

/* API 响应区域 */
.api-response {
  background-color: var(--color-bg-tertiary);
  border-radius: var(--radius-md);
  padding: var(--spacing-3);
  max-height: 280px;
  overflow-y: auto;
  border-left: 3px solid var(--color-border);
  font-family: var(--font-family-mono);
  font-size: var(--font-size-sm);
}

.api-response.success {
  border-left-color: var(--color-success);
}

.api-response.error {
  border-left-color: var(--color-error);
}

.api-response.pending {
  border-left-color: var(--color-text-disabled);
}

/* 响应元数据 */
.response-meta {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  margin-bottom: var(--spacing-2);
  padding-bottom: var(--spacing-2);
  border-bottom: 1px solid var(--color-divider-light);
}

.response-status {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.response-status.success {
  color: var(--color-success);
}

.response-status.error {
  color: var(--color-error);
}

.response-time {
  font-size: var(--font-size-xs);
  color: var(--color-text-secondary);
}

/* 响应数据 */
.response-data {
  white-space: pre-wrap;
  word-break: break-word;
  color: var(--color-text-secondary);
}

.api-response pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}