/* ============================================================
   小蚁合同管理系统 — 全局样式
   ============================================================ */

/* ---------- CSS 变量 / 设计令牌 ---------- */
:root {
  /* 主色调 */
  --color-primary: #1a6fb5;
  --color-primary-light: #e8f4fd;
  --color-primary-dark: #125488;

  /* 语义色 */
  --color-success: #22a66e;
  --color-warning: #f0a030;
  --color-danger: #d94040;
  --color-info: #5b8cce;

  /* 中性色 */
  --color-text: #2c3e50;
  --color-text-secondary: #6b7c8e;
  --color-text-muted: #98a8b8;
  --color-border: #dfe4ea;
  --color-border-light: #eef1f5;
  --color-bg: #f5f7fa;
  --color-bg-white: #ffffff;
  --color-bg-sidebar: #1e2a3a;

  /* 排版 */
  --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-md: 16px;
  --font-size-lg: 18px;
  --font-size-xl: 22px;
  --font-size-xxl: 28px;

  /* 间距 */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-xxl: 48px;

  /* 圆角 */
  --radius-sm: 4px;
  --radius-md: 6px;
  --radius-lg: 10px;
  --radius-round: 50%;

  /* 阴影 */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);

  /* 过渡 */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;

  /* 布局 */
  --sidebar-width: 240px;
  --header-height: 56px;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-size-base);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

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

ul,
ol {
  list-style: none;
}

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

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

/* ---------- 工具类 ---------- */
.flex {
  display: flex;
}
.flex-col {
  flex-direction: column;
}
.flex-wrap {
  flex-wrap: wrap;
}
.flex-1 {
  flex: 1;
}
.items-center {
  align-items: center;
}
.items-start {
  align-items: flex-start;
}
.justify-center {
  justify-content: center;
}
.justify-between {
  justify-content: space-between;
}
.justify-end {
  justify-content: flex-end;
}
.gap-xs {
  gap: var(--spacing-xs);
}
.gap-sm {
  gap: var(--spacing-sm);
}
.gap-md {
  gap: var(--spacing-md);
}
.gap-lg {
  gap: var(--spacing-lg);
}

.text-center {
  text-align: center;
}
.text-right {
  text-align: right;
}
.text-muted {
  color: var(--color-text-muted);
}
.text-secondary {
  color: var(--color-text-secondary);
}
.text-sm {
  font-size: var(--font-size-sm);
}
.text-xs {
  font-size: var(--font-size-xs);
}
.text-lg {
  font-size: var(--font-size-lg);
}

.font-medium {
  font-weight: 500;
}
.font-bold {
  font-weight: 700;
}

.mt-sm {
  margin-top: var(--spacing-sm);
}
.mt-md {
  margin-top: var(--spacing-md);
}
.mt-lg {
  margin-top: var(--spacing-lg);
}
.mb-sm {
  margin-bottom: var(--spacing-sm);
}
.mb-md {
  margin-bottom: var(--spacing-md);
}
.mb-lg {
  margin-bottom: var(--spacing-lg);
}
.p-md {
  padding: var(--spacing-md);
}
.p-lg {
  padding: var(--spacing-lg);
}

.hidden {
  display: none !important;
}
.visible {
  visibility: visible;
}
.invisible {
  visibility: hidden;
}

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: 8px 18px;
  font-size: var(--font-size-base);
  font-weight: 500;
  line-height: 1.4;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
}
.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}
.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-success {
  background: var(--color-success);
  color: #fff;
}
.btn-success:hover:not(:disabled) {
  background: #1b8a58;
}

.btn-danger {
  background: var(--color-danger);
  color: #fff;
}
.btn-danger:hover:not(:disabled) {
  background: #b83232;
}

.btn-warning {
  background: var(--color-warning);
  color: #fff;
}
.btn-warning:hover:not(:disabled) {
  background: #d08a20;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover:not(:disabled) {
  background: var(--color-primary-light);
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-secondary);
  border-color: var(--color-border);
}
.btn-ghost:hover:not(:disabled) {
  background: var(--color-border-light);
  color: var(--color-text);
}

.btn-sm {
  padding: 4px 12px;
  font-size: var(--font-size-sm);
}
.btn-lg {
  padding: 10px 24px;
  font-size: var(--font-size-md);
}

.btn-block {
  width: 100%;
}

/* ---------- 表单 ---------- */
.form-group {
  margin-bottom: var(--spacing-md);
}
.form-label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-size: var(--font-size-base);
  font-weight: 500;
  color: var(--color-text);
}
.form-label .required {
  color: var(--color-danger);
  margin-left: 2px;
}
.form-hint {
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
  margin-top: 2px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 8px 12px;
  font-size: var(--font-size-base);
  color: var(--color-text);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(26, 111, 181, 0.12);
}
.form-input::placeholder {
  color: var(--color-text-muted);
}
.form-input.error,
.form-select.error,
.form-textarea.error {
  border-color: var(--color-danger);
}
.form-error-msg {
  font-size: var(--font-size-xs);
  color: var(--color-danger);
  margin-top: 2px;
}

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

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7c8e' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--spacing-md);
}

.form-check {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}
.form-check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--color-primary);
}

/* ---------- 卡片 ---------- */
.card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}
.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}
.card-header h2,
.card-header h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
}
.card-body {
  padding: var(--spacing-lg);
}
.card-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
  background: var(--color-bg);
}

/* ---------- 表格 ---------- */
.table-wrap {
  overflow-x: auto;
}
table {
  width: 100%;
  border-collapse: collapse;
}
table th,
table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--color-border-light);
  font-size: var(--font-size-base);
}
table th {
  font-weight: 600;
  color: var(--color-text-secondary);
  background: var(--color-bg);
  white-space: nowrap;
}
table tbody tr:hover {
  background: var(--color-primary-light);
}
table tbody tr:last-child td {
  border-bottom: none;
}

/* ---------- 徽章 ---------- */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  font-size: var(--font-size-xs);
  font-weight: 500;
  border-radius: 12px;
  white-space: nowrap;
}
.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
}
.badge-success {
  background: #e6f7ee;
  color: var(--color-success);
}
.badge-warning {
  background: #fef5e7;
  color: var(--color-warning);
}
.badge-danger {
  background: #fde8e8;
  color: var(--color-danger);
}
.badge-default {
  background: var(--color-border-light);
  color: var(--color-text-secondary);
}

/* ---------- Toast / 消息提示 ---------- */
.toast-container {
  position: fixed;
  top: calc(var(--header-height) + 96px);
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}
.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px 20px;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  font-size: var(--font-size-base);
  animation: toastSlideIn 0.3s ease;
  min-width: 260px;
  max-width: 420px;
  border-left: 4px solid var(--color-info);
}
.toast.toast-success {
  border-left-color: var(--color-success);
}
.toast.toast-error {
  border-left-color: var(--color-danger);
}
.toast.toast-warning {
  border-left-color: var(--color-warning);
}
.toast .toast-icon {
  font-size: 18px;
  flex-shrink: 0;
}
.toast .toast-msg {
  flex: 1;
}
.toast .toast-close {
  cursor: pointer;
  color: var(--color-text-muted);
  background: none;
  border: none;
  font-size: 16px;
  padding: 0;
}

@media (max-width: 767px) {
  .toast-container {
    top: 12px;
    left: 12px;
    right: 12px;
  }
  .toast {
    min-width: 0;
    max-width: none;
    width: 100%;
  }
}

@keyframes toastSlideIn {
  from {
    transform: translateX(100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ---------- Modal ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.45);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease;
}
.modal {
  background: var(--color-bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 520px;
  max-height: 85vh;
  overflow-y: auto;
  animation: modalSlideUp 0.25s ease;
}
.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-md) var(--spacing-lg);
  border-bottom: 1px solid var(--color-border-light);
}
.modal-header h3 {
  font-size: var(--font-size-md);
  font-weight: 600;
}
.modal-close {
  background: none;
  border: none;
  font-size: 20px;
  cursor: pointer;
  color: var(--color-text-muted);
  padding: 4px;
  line-height: 1;
}
.modal-body {
  padding: var(--spacing-lg);
}
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid var(--color-border-light);
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}
@keyframes modalSlideUp {
  from {
    transform: translateY(30px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* ---------- 加载状态 ---------- */
.loading-spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}
.loading-spinner.lg {
  width: 36px;
  height: 36px;
  border-width: 3px;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.loading-overlay {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  padding: var(--spacing-xxl);
  color: var(--color-text-secondary);
}

/* ---------- 空状态 ---------- */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-xxl);
  color: var(--color-text-muted);
}
.empty-state .empty-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}
.empty-state .empty-text {
  font-size: var(--font-size-base);
}

/* ---------- 分页 ---------- */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-md) 0;
}
.pagination button,
.pagination span {
  min-width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  color: var(--color-text);
  font-size: var(--font-size-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.pagination button:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}
.pagination button.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: #fff;
}
.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---------- 布局容器 ---------- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ---------- 侧边栏 ---------- */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-bg-sidebar);
  color: #c8d4e0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  z-index: 100;
  transition: transform var(--transition-normal);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-lg);
  height: var(--header-height);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.sidebar-brand .brand-logo {
  width: 32px;
  height: 32px;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.sidebar-brand .brand-name {
  font-size: var(--font-size-md);
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm) 0;
}
.sidebar-nav .nav-section {
  padding: var(--spacing-sm) var(--spacing-lg) 0;
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.35);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: var(--spacing-sm);
}
.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px var(--spacing-lg);
  color: #c8d4e0;
  font-size: var(--font-size-base);
  transition: all var(--transition-fast);
  border-left: 3px solid transparent;
}
.sidebar-nav a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: #fff;
}
.sidebar-nav a.active {
  background: rgba(26, 111, 181, 0.2);
  color: #fff;
  border-left-color: var(--color-primary);
}
.sidebar-nav a .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
  flex-shrink: 0;
}

.sidebar-footer {
  padding: var(--spacing-md) var(--spacing-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: var(--font-size-sm);
}
.sidebar-footer .user-info {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}
.sidebar-footer .user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-round);
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  font-weight: 600;
  flex-shrink: 0;
}

/* ---------- 主内容区 ---------- */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  display: flex;
  flex-direction: column;
  min-width: 0;
  min-height: 100vh;
  transition: margin var(--transition-normal);
}

/* 顶部栏 */
.topbar {
  height: var(--header-height);
  background: var(--color-bg-white);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--spacing-lg);
  position: sticky;
  top: 0;
  z-index: 50;
}
.topbar .menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: var(--color-text);
  padding: 4px;
}
.topbar .breadcrumb {
  font-size: var(--font-size-base);
  color: var(--color-text-secondary);
}
.topbar .breadcrumb span {
  color: var(--color-text);
  font-weight: 500;
}

/* 页面内容 */
.page-content {
  flex: 1;
  padding: var(--spacing-lg);
  width: 100%;
}
.page-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-lg);
}

/* ---------- 信息提示条 ---------- */
.alert {
  padding: 10px 16px;
  border-radius: var(--radius-md);
  font-size: var(--font-size-base);
  margin-bottom: var(--spacing-md);
}
.alert-info {
  background: var(--color-primary-light);
  color: var(--color-primary-dark);
  border: 1px solid rgba(26, 111, 181, 0.15);
}
.alert-success {
  background: #e6f7ee;
  color: #1b8a58;
  border: 1px solid rgba(34, 166, 110, 0.15);
}
.alert-warning {
  background: #fef5e7;
  color: #c07a18;
  border: 1px solid rgba(240, 160, 48, 0.15);
}
.alert-danger {
  background: #fde8e8;
  color: #b83232;
  border: 1px solid rgba(217, 64, 64, 0.15);
}

/* ---------- 合同预览 A4 纸样式 ---------- */
.contract-preview {
  max-width: 794px; /* A4 宽度比例 */
  margin: 0 auto;
  background: #fff;
  box-shadow: none !important;
  padding: 40px 50px;
  position: relative;
  font-size: 15px;
  line-height: 1.8;
}
.contract-preview .qr-code-corner {
  position: absolute;
  top: 20px;
  right: 20px;
  width: 90px;
  height: 90px;
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: var(--color-text-muted);
}
.contract-preview h2 {
  margin-bottom: 24px;
}
.contract-preview p {
  margin-bottom: 8px;
  text-align: justify;
  text-justify: inter-ideograph;
}

/* 打印视图专用 */
@media print {
  body {
    background: #fff !important;
  }
  .no-print {
    display: none !important;
  }
  .contract-preview {
    box-shadow: none !important;
    padding: 0;
    max-width: 100%;
  }
  .contract-preview .qr-code-corner {
    position: absolute;
    top: 0;
    right: 0;
  }
  @page {
    size: A4;
    margin: 1.5cm 1.5cm 1.5cm 2.5cm;
    @bottom-center {
      content: "第 " counter(page) " 页 共 " counter(pages) " 页";
      font-size: 10px;
      color: #666;
    }
  }
}

/* ---------- 防伪验证页 ---------- */
.verify-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #e8f4fd 0%, #f5f7fa 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
}
.verify-card {
  background: #fff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 480px;
  overflow: hidden;
}
.verify-card .verify-header {
  background: var(--color-primary);
  color: #fff;
  padding: var(--spacing-lg);
  text-align: center;
}
.verify-card .verify-header .shield-icon {
  font-size: 40px;
  margin-bottom: var(--spacing-sm);
}
.verify-card .verify-header h2 {
  font-size: var(--font-size-lg);
  font-weight: 600;
}
.verify-card .verify-body {
  padding: var(--spacing-lg);
}
.verify-card .verify-item {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px dashed var(--color-border-light);
  font-size: var(--font-size-base);
}
.verify-card .verify-item:last-of-type {
  border-bottom: none;
}
.verify-card .verify-item .label {
  color: var(--color-text-secondary);
  flex-shrink: 0;
}
.verify-card .verify-item .value {
  font-weight: 500;
  text-align: right;
}
.verify-card .verify-footer {
  background: var(--color-bg);
  padding: var(--spacing-md);
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border-light);
}
.verify-error {
  text-align: center;
  padding: var(--spacing-xl);
}
.verify-error .error-icon {
  font-size: 48px;
  margin-bottom: var(--spacing-md);
}
.verify-error h3 {
  font-size: var(--font-size-md);
  color: var(--color-danger);
  margin-bottom: var(--spacing-sm);
}
.verify-error p {
  color: var(--color-text-secondary);
  font-size: var(--font-size-base);
}

/* ---------- 步骤条 ---------- */
.steps {
  display: flex;
  margin-bottom: var(--spacing-lg);
}
.step {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 10px 0;
  border-bottom: 3px solid var(--color-border-light);
  color: var(--color-text-muted);
  font-size: var(--font-size-sm);
}
.step .step-num {
  width: 26px;
  height: 26px;
  border-radius: var(--radius-round);
  background: var(--color-border-light);
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-xs);
  flex-shrink: 0;
}
.step.active {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}
.step.active .step-num {
  background: var(--color-primary);
  color: #fff;
}
.step.completed {
  border-bottom-color: var(--color-success);
  color: var(--color-success);
}
.step.completed .step-num {
  background: var(--color-success);
  color: #fff;
}

/* ---------- 模板字段标记样式 ---------- */
.field-marker {
  display: inline-block;
  background: var(--color-primary-light);
  border: 1px dashed var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 1px 6px;
  font-size: 13px;
  color: var(--color-primary);
  cursor: pointer;
  user-select: all;
}

/* ---------- 拖拽插入字段面板 ---------- */
.field-palette {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
}
.field-palette-header {
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--color-border-light);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}
.field-palette-list {
  padding: var(--spacing-sm);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}
.field-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid rgba(26, 111, 181, 0.2);
  border-radius: 16px;
  font-size: var(--font-size-xs);
  cursor: grab;
  transition: all var(--transition-fast);
}
.field-chip:hover {
  background: var(--color-primary);
  color: #fff;
}
.field-chip:active {
  cursor: grabbing;
}

/* ---------- 响应式 — 手机端（<768px） ---------- */
@media (max-width: 767px) {
  :root {
    --sidebar-width: 0px;
  }

  /* 侧边栏默认隐藏，点击汉堡菜单展开 */
  .sidebar {
    transform: translateX(-100%);
    width: 260px;
    box-shadow: var(--shadow-lg);
  }
  .sidebar.open {
    transform: translateX(0);
  }
  /* 遮罩层 */
  .sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    z-index: 99;
  }
  .sidebar-overlay.show {
    display: block;
  }

  .main-content {
    margin-left: 0;
  }

  .topbar .menu-toggle {
    display: block;
  }

  .page-content {
    padding: var(--spacing-md);
  }

  .page-title {
    font-size: var(--font-size-lg);
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .contract-preview {
    padding: 20px 16px;
    font-size: 13px;
  }
  .contract-preview .qr-code-corner {
    width: 60px;
    height: 60px;
    top: 10px;
    right: 10px;
  }

  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }

  .table-wrap table {
    font-size: var(--font-size-xs);
  }
  .table-wrap th,
  .table-wrap td {
    padding: 6px 8px;
  }

  .verify-card {
    max-width: 100%;
  }

  .steps {
    flex-direction: column;
    gap: var(--spacing-sm);
  }
  .step {
    border-bottom: none;
    border-left: 3px solid var(--color-border-light);
    padding-left: var(--spacing-md);
  }
  .step.active {
    border-left-color: var(--color-primary);
    border-bottom: none;
  }
  .step.completed {
    border-left-color: var(--color-success);
    border-bottom: none;
  }
}

/* ---------- 平板端（768px-1023px） ---------- */
@media (min-width: 768px) and (max-width: 1023px) {
  :root {
    --sidebar-width: 200px;
  }

  .contract-preview {
    max-width: 100%;
    padding: 30px 36px;
  }
}