/**
 * 派工之家 - 设计系统
 * Design System for PaiGong Home
 *
 * 主色调: #1890ff (蓝色)
 * 设计理念: 现代简洁、专业可信、清晰高效
 */

/* ============================================
   1. CSS 变量 - Design Tokens
   ============================================ */
:root {
  /* 主色 */
  --color-primary: #1890ff;
  --color-primary-hover: #40a9ff;
  --color-primary-active: #096dd9;
  --color-primary-light: #e6f7ff;
  --color-primary-bg: #f0f5ff;

  /* 功能色 */
  --color-success: #52c41a;
  --color-success-light: #f6ffed;
  --color-warning: #faad14;
  --color-warning-light: #fffbe6;
  --color-error: #ff4d4f;
  --color-error-light: #fff2f0;
  --color-info: #1890ff;
  --color-info-light: #e6f7ff;

  /* 中性色 */
  --color-text-primary: #262626;
  --color-text-secondary: #595959;
  --color-text-tertiary: #8c8c8c;
  --color-text-quaternary: #bfbfbf;
  --color-text-white: #ffffff;

  /* 背景色 */
  --color-bg-base: #f5f5f5;
  --color-bg-container: #ffffff;
  --color-bg-elevated: #ffffff;
  --color-bg-spotlight: rgba(0, 0, 0, 0.85);

  /* 边框色 */
  --color-border: #d9d9d9;
  --color-border-secondary: #f0f0f0;

  /* 字体 */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Helvetica, Arial, sans-serif;
  --font-size-xs: 12px;
  --font-size-sm: 13px;
  --font-size-base: 14px;
  --font-size-lg: 16px;
  --font-size-xl: 18px;
  --font-size-2xl: 20px;
  --font-size-3xl: 24px;
  --font-size-4xl: 30px;
  --font-size-5xl: 38px;

  /* 行高 */
  --line-height-tight: 1.25;
  --line-height-base: 1.5;
  --line-height-relaxed: 1.75;

  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 12px;
  --spacing-lg: 16px;
  --spacing-xl: 20px;
  --spacing-2xl: 24px;
  --spacing-3xl: 32px;
  --spacing-4xl: 40px;
  --spacing-5xl: 48px;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-base: 6px;
  --radius-lg: 8px;
  --radius-xl: 12px;
  --radius-2xl: 16px;
  --radius-full: 9999px;

  /* 阴影 */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.03), 0 1px 6px -1px rgba(0, 0, 0, 0.02), 0 2px 4px 0 rgba(0, 0, 0, 0.02);
  --shadow-base: 0 3px 6px -4px rgba(0, 0, 0, 0.12), 0 6px 16px 0 rgba(0, 0, 0, 0.08), 0 9px 28px 8px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 6px 16px -8px rgba(0, 0, 0, 0.08), 0 9px 28px 0 rgba(0, 0, 0, 0.05), 0 12px 48px 16px rgba(0, 0, 0, 0.03);
  --shadow-xl: 0 12px 24px -8px rgba(0, 0, 0, 0.1), 0 20px 40px 0 rgba(0, 0, 0, 0.08);

  /* 动画 */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* 布局 */
  --layout-header-height: 64px;
  --layout-sidebar-width: 220px;
  --layout-content-max-width: 1400px;
  --layout-phone-width: 375px;
  --layout-phone-height: 812px;

  /* z-index */
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
}

/* ============================================
   2. 基础重置
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text-primary);
  background-color: var(--color-bg-base);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-hover);
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: transparent;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* ============================================
   3. 排版系统
   ============================================ */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }

.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-tertiary { color: var(--color-text-tertiary); }
.text-white { color: var(--color-text-white); }
.text-theme { color: var(--color-primary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* ============================================
   4. 布局系统
   ============================================ */
.container {
  width: 100%;
  max-width: var(--layout-content-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-xl);
}

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-around { justify-content: space-around; }
.flex-1 { flex: 1; }
.flex-shrink-0 { flex-shrink: 0; }
.gap-xs { gap: var(--spacing-xs); }
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }
.gap-xl { gap: var(--spacing-xl); }
.gap-2xl { gap: var(--spacing-2xl); }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }

/* ============================================
   5. 间距工具类
   ============================================ */
.m-0 { margin: 0; }
.m-xs { margin: var(--spacing-xs); }
.m-sm { margin: var(--spacing-sm); }
.m-md { margin: var(--spacing-md); }
.m-lg { margin: var(--spacing-lg); }
.m-xl { margin: var(--spacing-xl); }
.m-auto { margin: auto; }

.mt-xs { margin-top: var(--spacing-xs); }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }
.mt-2xl { margin-top: var(--spacing-2xl); }
.mt-3xl { margin-top: var(--spacing-3xl); }

.mb-xs { margin-bottom: var(--spacing-xs); }
.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.mb-xl { margin-bottom: var(--spacing-xl); }
.mb-2xl { margin-bottom: var(--spacing-2xl); }

.p-0 { padding: 0; }
.p-xs { padding: var(--spacing-xs); }
.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }
.p-xl { padding: var(--spacing-xl); }
.p-2xl { padding: var(--spacing-2xl); }

/* ============================================
   6. 卡片组件
   ============================================ */
.card {
  background: var(--color-bg-container);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.card-elevated {
  box-shadow: var(--shadow-base);
}

.card-bordered {
  border: 1px solid var(--color-border-secondary);
  box-shadow: none;
}

.card-header {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-bottom: 1px solid var(--color-border-secondary);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text-primary);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

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

.card-footer {
  padding: var(--spacing-lg) var(--spacing-xl);
  border-top: 1px solid var(--color-border-secondary);
  background: var(--color-bg-base);
}

/* ============================================
   7. 按钮组件
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-xl);
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--radius-base);
  transition: all var(--transition-fast);
  cursor: pointer;
  border: 1px solid transparent;
  white-space: nowrap;
}

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

.btn-sm {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-2xl);
  font-size: var(--font-size-lg);
}

.btn-xl {
  padding: var(--spacing-lg) var(--spacing-3xl);
  font-size: var(--font-size-lg);
}

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

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

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

.btn-secondary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}

.btn-secondary:hover {
  background: #bae7ff;
}

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

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

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

.btn-ghost:hover {
  background: var(--color-bg-base);
  color: var(--color-primary);
}

.btn-success {
  background: var(--color-success);
  color: var(--color-text-white);
}

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

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

.btn-block {
  width: 100%;
}

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-base);
}

.btn-icon.btn-sm {
  width: 28px;
  height: 28px;
}

.btn-icon.btn-lg {
  width: 44px;
  height: 44px;
}

/* ============================================
   8. 表单组件
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-sm);
}

.form-input {
  width: 100%;
  height: 40px;
  padding: 0 var(--spacing-md);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background: var(--color-bg-container);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-base);
  transition: all var(--transition-fast);
}

.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

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

.form-input-lg {
  height: 48px;
  padding: 0 var(--spacing-lg);
  font-size: var(--font-size-lg);
}

.form-input-sm {
  height: 32px;
  padding: 0 var(--spacing-sm);
  font-size: var(--font-size-sm);
}

.form-textarea {
  min-height: 100px;
  padding: var(--spacing-sm) var(--spacing-md);
  resize: vertical;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-xs);
}

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

/* 搜索框 */
.search-input-wrapper {
  display: flex;
  align-items: center;
  background: var(--color-bg-base);
  border-radius: var(--radius-full);
  padding: 0 var(--spacing-lg);
  height: 44px;
  border: 1px solid transparent;
  transition: all var(--transition-fast);
}

.search-input-wrapper:focus-within {
  background: var(--color-bg-container);
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-light);
}

.search-input-wrapper input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
}

.search-input-wrapper input::placeholder {
  color: var(--color-text-quaternary);
}

/* ============================================
   9. 标签组件
   ============================================ */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  line-height: 1.5;
  border-radius: var(--radius-sm);
}

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

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

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

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

.tag-neutral {
  background: var(--color-bg-base);
  color: var(--color-text-secondary);
}

.tag-lg {
  padding: 4px 12px;
  font-size: var(--font-size-sm);
  border-radius: var(--radius-full);
}

/* ============================================
   10. 头像组件
   ============================================ */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-bg-base);
  color: var(--color-text-secondary);
  font-weight: 500;
  overflow: hidden;
}

.avatar-xs { width: 24px; height: 24px; font-size: 12px; }
.avatar-sm { width: 32px; height: 32px; font-size: 14px; }
.avatar-md { width: 40px; height: 40px; font-size: 16px; }
.avatar-lg { width: 48px; height: 48px; font-size: 18px; }
.avatar-xl { width: 64px; height: 64px; font-size: 24px; }
.avatar-2xl { width: 80px; height: 80px; font-size: 28px; }

.avatar-square {
  border-radius: var(--radius-lg);
}

/* ============================================
   11. 徽章组件
   ============================================ */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 6px;
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-white);
  background: var(--color-error);
  border-radius: var(--radius-full);
}

.badge-dot {
  width: 8px;
  height: 8px;
  min-width: 8px;
  padding: 0;
  background: var(--color-error);
}

/* ============================================
   12. 进度条组件
   ============================================ */
.progress {
  height: 8px;
  background: var(--color-bg-base);
  border-radius: var(--radius-full);
  overflow: hidden;
}

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

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

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

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

.progress-sm { height: 4px; }
.progress-lg { height: 12px; }

/* ============================================
   13. 分割线组件
   ============================================ */
.divider {
  height: 1px;
  background: var(--color-border-secondary);
  margin: var(--spacing-lg) 0;
}

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

.divider-text {
  display: flex;
  align-items: center;
  color: var(--color-text-tertiary);
  font-size: var(--font-size-sm);
}

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

.divider-text::before { margin-right: var(--spacing-md); }
.divider-text::after { margin-left: var(--spacing-md); }

/* ============================================
   14. 工具类
   ============================================ */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-base); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-full { border-radius: var(--radius-full); }

.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-base); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

.cursor-pointer { cursor: pointer; }
.cursor-not-allowed { cursor: not-allowed; }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

.whitespace-nowrap { white-space: nowrap; }

.transition-all { transition: all var(--transition-base); }
.transition-fast { transition: all var(--transition-fast); }

.hover-shadow:hover { box-shadow: var(--shadow-base); }
.hover-lift:hover { transform: translateY(-2px); }
.hover-scale:hover { transform: scale(1.02); }

/* ============================================
   15. 动画
   ============================================ */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(20px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
    animation-timing-function: cubic-bezier(0.8, 0, 1, 1);
  }
  50% {
    transform: translateY(-10px);
    animation-timing-function: cubic-bezier(0, 0, 0.2, 1);
  }
}

.animate-fade-in { animation: fadeIn var(--transition-base); }
.animate-fade-in-up { animation: fadeInUp var(--transition-base); }
.animate-fade-in-down { animation: fadeInDown var(--transition-base); }
.animate-slide-in-right { animation: slideInRight var(--transition-base); }
.animate-pulse { animation: pulse 2s infinite; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-bounce { animation: bounce 1s infinite; }

/* ============================================
   16. 响应式断点
   ============================================ */
/* 移动端优先，sm以上断点 */
@media (min-width: 576px) {
  .sm\:hidden { display: none; }
  .sm\:flex { display: flex; }
  .sm\:grid { display: grid; }
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .md\:hidden { display: none; }
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
  .md\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 992px) {
  .lg\:hidden { display: none; }
  .lg\:flex { display: flex; }
  .lg\:grid { display: grid; }
  .lg\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .lg\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}

@media (min-width: 1200px) {
  .xl\:hidden { display: none; }
  .xl\:flex { display: flex; }
  .xl\:grid { display: grid; }
  .xl\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .xl\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .xl\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .xl\:grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
  .xl\:grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
}

/* ============================================
   17. 滚动条美化
   ============================================ */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(0, 0, 0, 0.15);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 0, 0, 0.25);
}

/* ============================================
   18. 选择高亮
   ============================================ */
::selection {
  background: var(--color-primary);
  color: var(--color-text-white);
}

/* ============================================
   19. 打印样式
   ============================================ */
@media print {
  .no-print {
    display: none !important;
  }

  body {
    background: white;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ddd;
  }
}