/* ============================================================
   app.css — 贷款清理工作台 设计系统 v2
   与 tw-lite.css 配合使用(先引 tw-lite,再引本文件)
   兼容旧组件类名: .btn .card .badge .alert .modal .form-group 等
   ============================================================ */

:root {
  /* 品牌色(青碧色系) */
  --brand-50:  #f0fdfa;
  --brand-100: #ccfbf1;
  --brand-200: #99f6e4;
  --brand-300: #5eead4;
  --brand-400: #2dd4bf;
  --brand-500: #14b8a6;
  --brand-600: #0d9488;
  --brand-700: #0f766e;
  --brand-800: #115e59;
  --brand-900: #134e4a;

  /* 中性色 */
  --ink-900: #0f1c17;
  --ink-700: #33413b;
  --ink-500: #5d6b64;
  --ink-400: #8a968f;
  --ink-300: #c2ccc6;
  --line:    #e3e8e4;
  --line-strong: #cdd6d0;

  /* 表面 */
  --bg:            #f3f6f4;
  --surface:       #ffffff;
  --surface-soft:  #f9fbf9;
  --surface-raise: #ffffff;

  /* 语义色 */
  --ok:     #059669;  --ok-bg:     #ecfdf5;  --ok-line:     #a7f3d0;
  --warn:   #b45309;  --warn-bg:   #fffbeb;  --warn-line:   #fde68a;
  --bad:    #b91c1c;  --bad-bg:    #fef2f2;  --bad-line:    #fecaca;
  --info:   #1d4ed8;  --info-bg:   #eff6ff;  --info-line:   #bfdbfe;

  /* 兼容旧变量名 */
  --primary-color: var(--brand-600);
  --primary-hover: var(--brand-700);
  --danger-color: var(--bad);
  --danger-hover: #991b1b;
  --warning-color: var(--warn);
  --success-color: var(--ok);
  --gray-50: var(--bg); --gray-100: #edf1ee; --gray-200: var(--line);
  --gray-300: var(--line-strong); --gray-600: var(--ink-500);
  --gray-700: var(--ink-700); --gray-800: #24312b; --gray-900: var(--ink-900);

  --radius-sm: 8px;
  --radius:    10px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 2px rgba(15, 28, 23, 0.05);
  --shadow:    0 1px 2px rgba(15, 28, 23, 0.04), 0 4px 16px rgba(15, 28, 23, 0.06);
  --shadow-md: 0 2px 4px rgba(15, 28, 23, 0.05), 0 12px 32px rgba(15, 28, 23, 0.09);
  --shadow-lg: 0 24px 64px rgba(15, 28, 23, 0.18);

  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
               "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC",
               Roboto, "Helvetica Neue", Arial, sans-serif;

  --nav-h: 60px;
}

/* ---------- 基础 ---------- */
* { margin: 0; padding: 0; }
html { background: var(--bg); -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background:
    radial-gradient(1200px 400px at 50% -120px, rgba(13, 148, 136, 0.07), transparent 70%),
    var(--bg);
  color: var(--ink-900);
  line-height: 1.6;
  font-size: 14px;
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}
::selection { background: var(--brand-200); }
:focus-visible { outline: 2px solid var(--brand-500); outline-offset: 2px; }
a { color: var(--brand-700); }
a:hover { color: var(--brand-800); }

/* 细滚动条 */
* { scrollbar-width: thin; scrollbar-color: var(--line-strong) transparent; }
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 8px; }
*::-webkit-scrollbar-track { background: transparent; }

/* ---------- 页面骨架 ---------- */
.container,
.page-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}
.page-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}
.page-title {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-900);
  line-height: 1.25;
}
.page-subtitle { margin-top: 4px; font-size: 13px; color: var(--ink-500); }
.page-actions { display: flex; flex-wrap: wrap; gap: 8px; }

/* ---------- 卡片 ---------- */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  margin-bottom: 16px;
}
.card-header {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
  gap: 10px; margin-bottom: 16px; padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.card-title { font-size: 16px; font-weight: 700; color: var(--ink-900); }
.card-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.card--flush { padding: 0; overflow: hidden; }
.card--flush .card-header { margin: 0; padding: 16px 20px; }

/* ---------- 统计卡片 ---------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
  margin-bottom: 20px;
}
.stat-card {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 16px 18px;
  overflow: hidden;
}
.stat-card::before {
  content: "";
  position: absolute; inset: 0 auto 0 0; width: 4px;
  background: linear-gradient(180deg, var(--brand-400), var(--brand-600));
  border-radius: 4px 0 0 4px;
  opacity: 0.9;
}
.stat-card.stat-danger::before  { background: linear-gradient(180deg, #f87171, #dc2626); }
.stat-card.stat-warning::before { background: linear-gradient(180deg, #fbbf24, #d97706); }
.stat-card.stat-info::before    { background: linear-gradient(180deg, #60a5fa, #2563eb); }
.stat-label { font-size: 12px; font-weight: 600; color: var(--ink-500); letter-spacing: 0.02em; }
.stat-value {
  margin-top: 6px;
  font-size: 26px; font-weight: 800; line-height: 1.15;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
  word-break: break-all;
}
.stat-hint { margin-top: 4px; font-size: 12px; color: var(--ink-400); }

/* ---------- 按钮 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  min-height: 38px; padding: 0 16px;
  border: 1px solid transparent; border-radius: var(--radius);
  font-family: inherit; font-size: 14px; font-weight: 600; line-height: 1.2;
  cursor: pointer; text-decoration: none; white-space: nowrap;
  transition: background-color .15s ease, border-color .15s ease, color .15s ease,
              box-shadow .15s ease, transform .1s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; }

.btn-primary {
  background: linear-gradient(180deg, var(--brand-500), var(--brand-600));
  color: #fff;
  box-shadow: 0 1px 2px rgba(13, 148, 136, .35), inset 0 1px 0 rgba(255, 255, 255, .18);
}
.btn-primary:hover { background: linear-gradient(180deg, var(--brand-600), var(--brand-700)); color: #fff; }

.btn-secondary {
  background: var(--surface); color: var(--ink-700);
  border-color: var(--line-strong);
  box-shadow: var(--shadow-sm);
}
.btn-secondary:hover { border-color: var(--ink-300); color: var(--ink-900); background: var(--surface-soft); }

.btn-danger { background: linear-gradient(180deg, #ef4444, #dc2626); color: #fff; }
.btn-danger:hover { background: linear-gradient(180deg, #dc2626, #b91c1c); color: #fff; }

.btn-danger-soft { background: var(--bad-bg); color: var(--bad); border-color: var(--bad-line); }
.btn-danger-soft:hover { background: #fee2e2; }

.btn-success { background: linear-gradient(180deg, #10b981, #059669); color: #fff; }
.btn-success:hover { background: linear-gradient(180deg, #059669, #047857); color: #fff; }

.btn-soft { background: var(--brand-50); color: var(--brand-800); border-color: var(--brand-200); }
.btn-soft:hover { background: var(--brand-100); }

.btn-ghost { background: transparent; color: var(--ink-500); }
.btn-ghost:hover { background: var(--surface-soft); color: var(--ink-900); }

.btn-sm { min-height: 30px; padding: 0 10px; font-size: 13px; border-radius: var(--radius-sm); }
.btn-lg { min-height: 46px; padding: 0 22px; font-size: 15px; }
.btn-block { width: 100%; }
.btn-icon { padding: 0; width: 38px; }
.btn-icon.btn-sm { width: 30px; }

/* ---------- 徽章 ---------- */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 10px; border-radius: 999px;
  font-size: 12px; font-weight: 600; line-height: 1.6;
  border: 1px solid transparent;
  white-space: nowrap;
}
.badge-success   { background: var(--ok-bg);   color: var(--ok);   border-color: var(--ok-line); }
.badge-warning   { background: var(--warn-bg); color: var(--warn); border-color: var(--warn-line); }
.badge-danger    { background: var(--bad-bg);  color: var(--bad);  border-color: var(--bad-line); }
.badge-info      { background: var(--info-bg); color: var(--info); border-color: var(--info-line); }
.badge-secondary { background: #f1f5f3; color: var(--ink-500); border-color: var(--line); }
.badge-brand     { background: var(--brand-50); color: var(--brand-800); border-color: var(--brand-200); }

/* ---------- 表格 ---------- */
.table-container, .table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
}
.card .table-container, .card .table-wrap { border: 1px solid var(--line); }
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table th, table td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
table th {
  background: var(--surface-soft);
  font-size: 12px; font-weight: 700;
  color: var(--ink-500);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
table tbody tr { transition: background-color .12s ease; }
table tbody tr:hover { background: #f6faf8; }
table tbody tr:last-child td { border-bottom: none; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* ---------- 表单 ---------- */
.form-group { margin-bottom: 16px; }
.form-group label, .form-label {
  display: block; margin-bottom: 6px;
  font-size: 13px; font-weight: 600; color: var(--ink-700);
}
.form-hint { margin-top: 4px; font-size: 12px; color: var(--ink-400); }

input[type="text"], input[type="password"], input[type="number"], input[type="date"],
input[type="email"], input[type="url"], input[type="search"], input[type="file"],
select, textarea, .form-input {
  font-family: inherit;
  font-size: 14px;
  color: var(--ink-900);
  background: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-group input, .form-group select, .form-group textarea,
input.form-input, select.form-input, textarea.form-input {
  width: 100%;
  padding: 9px 12px;
  min-height: 40px;
}
textarea { resize: vertical; min-height: 96px; padding: 9px 12px; }
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--brand-500);
  box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
}
input::placeholder, textarea::placeholder { color: var(--ink-400); }
input[type="checkbox"], input[type="radio"] {
  width: 16px; height: 16px;
  accent-color: var(--brand-600);
  cursor: pointer;
}
input[type="file"] { padding: 8px; background: var(--surface-soft); border-style: dashed; }
select {
  appearance: none; -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%235d6b64' stroke-width='2.4'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 32px !important;
}
select[multiple] { background-image: none; padding-right: 12px !important; }

/* ---------- 提示 / 警告框 ---------- */
.alert {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 11px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: var(--surface-soft);
  font-size: 13.5px;
  margin-bottom: 16px;
  animation: app-fade-in .18s ease;
}
.alert-success { background: var(--ok-bg);   color: #065f46; border-color: var(--ok-line); }
.alert-error   { background: var(--bad-bg);  color: #991b1b; border-color: var(--bad-line); }
.alert-warning { background: var(--warn-bg); color: #92400e; border-color: var(--warn-line); }
.alert-info    { background: var(--info-bg); color: #1e40af; border-color: var(--info-line); }
.alert-close {
  margin-left: auto;
  background: none; border: none; cursor: pointer;
  font-size: 18px; line-height: 1; color: inherit; opacity: .6;
}
.alert-close:hover { opacity: 1; }

/* ---------- 模态框 ---------- */
.modal {
  display: none;
  position: fixed; inset: 0; z-index: 1000;
  /* 不加 backdrop-filter:固定遮罩 + 毛玻璃在 macOS Chrome 滚动时闪烁 */
  background: rgba(15, 28, 23, 0.5);
  align-items: center; justify-content: center;
  padding: 20px;
  overscroll-behavior: contain;
}
.modal.active { display: flex; }
.modal-content {
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 22px;
  width: 100%; max-width: 620px;
  max-height: min(88vh, 88dvh);
  overflow-y: auto;
  overscroll-behavior: contain;
  animation: app-modal-in .18s ease;
}
.modal-content.modal-lg { max-width: 860px; }
.modal-content.modal-xl { max-width: 1080px; }
.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  gap: 10px; margin-bottom: 16px; padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.modal-title { font-size: 17px; font-weight: 700; }
.modal-footer {
  display: flex; justify-content: flex-end; flex-wrap: wrap; gap: 8px;
  margin-top: 18px; padding-top: 14px;
  border-top: 1px solid var(--line);
}
.close-btn {
  flex-shrink: 0;
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  background: var(--surface-soft);
  border: 1px solid var(--line); border-radius: 8px;
  font-size: 18px; line-height: 1; color: var(--ink-500);
  cursor: pointer;
}
.close-btn:hover { color: var(--ink-900); border-color: var(--line-strong); }

/* ---------- 标签页 ---------- */
.tabs {
  display: flex; gap: 4px; flex-wrap: wrap;
  border-bottom: 1px solid var(--line);
  margin-bottom: 18px;
}
.tab {
  padding: 9px 14px;
  border: none; background: none; cursor: pointer;
  font-family: inherit; font-size: 14px; font-weight: 600;
  color: var(--ink-500);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color .15s ease, border-color .15s ease;
}
.tab:hover { color: var(--ink-900); }
.tab.active { color: var(--brand-700); border-bottom-color: var(--brand-600); }

/* 分段控制(pill 型 tabs) */
.seg {
  display: inline-flex; flex-wrap: wrap; gap: 4px;
  background: #eaefec;
  border: 1px solid var(--line);
  border-radius: 12px; padding: 4px;
}
.seg-item {
  border: none; background: transparent; cursor: pointer;
  padding: 6px 14px; border-radius: 9px;
  font-family: inherit; font-size: 13px; font-weight: 600; color: var(--ink-500);
  transition: background-color .15s ease, color .15s ease, box-shadow .15s ease;
}
.seg-item:hover { color: var(--ink-900); }
.seg-item.active { background: var(--surface); color: var(--brand-800); box-shadow: var(--shadow-sm); }

/* ---------- 工具条 / 筛选条 ---------- */
.toolbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 8px;
  margin-bottom: 14px;
}
.toolbar .spacer { flex: 1; }
.search-box { position: relative; flex: 1; min-width: 180px; max-width: 340px; }
.search-box input { width: 100%; padding: 9px 12px 9px 34px; min-height: 40px; }
.search-box::before {
  content: "";
  position: absolute; left: 11px; top: 50%; transform: translateY(-50%);
  width: 15px; height: 15px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%238a968f' stroke-width='2.2'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.3-4.3'/%3E%3C/svg%3E") no-repeat center / contain;
  pointer-events: none;
}

/* ---------- 空状态 / 骨架 ---------- */
.empty-state {
  text-align: center;
  padding: 48px 20px;
  color: var(--ink-400);
}
.empty-state .empty-icon { font-size: 34px; margin-bottom: 10px; }
.empty-state .empty-title { font-size: 15px; font-weight: 600; color: var(--ink-500); }
.empty-state .empty-hint { margin-top: 4px; font-size: 13px; }

.skeleton {
  background: linear-gradient(90deg, #edf1ee 25%, #f6f8f6 50%, #edf1ee 75%);
  background-size: 200% 100%;
  animation: app-shimmer 1.4s infinite;
  border-radius: 8px;
  color: transparent !important;
}
.loading {
  display: inline-block; width: 18px; height: 18px;
  border: 2.5px solid var(--line);
  border-top-color: var(--brand-600);
  border-radius: 50%;
  animation: tw-spin 0.8s linear infinite;
}

/* ---------- Toast ---------- */
#app-toast-wrap {
  position: fixed; top: calc(var(--nav-h) + 10px); right: 16px; z-index: 2000;
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
}
.app-toast {
  pointer-events: auto;
  min-width: 220px; max-width: 360px;
  padding: 11px 14px;
  background: #1c2823; color: #f0f4f1;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  font-size: 13.5px;
  animation: app-slide-in .2s ease;
}
.app-toast.toast-success { background: #064e3b; }
.app-toast.toast-error { background: #7f1d1d; }

/* ---------- 描述列表 ---------- */
.desc-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px 20px;
}
.desc-item .desc-label { font-size: 12px; color: var(--ink-400); font-weight: 600; }
.desc-item .desc-value { margin-top: 2px; font-size: 14px; color: var(--ink-900); word-break: break-all; }

/* ---------- 动画 ---------- */
@keyframes app-fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes app-modal-in { from { opacity: 0; transform: translateY(10px) scale(.985); } to { opacity: 1; transform: none; } }
@keyframes app-slide-in { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }
@keyframes app-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- 打印 ---------- */
@media print {
  .app-nav, .page-actions, .btn, .no-print { display: none !important; }
  body { background: #fff; }
  .card { border: none; box-shadow: none; padding: 0; }
}

/* ---------- 移动端 ---------- */
@media (max-width: 768px) {
  body { font-size: 14px; }
  .container, .page-container { padding: 16px 12px 96px; }
  .page-title { font-size: 20px; }
  .card { padding: 14px; border-radius: var(--radius); }
  .stats-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .stat-value { font-size: 20px; }
  table { font-size: 13px; }
  table th, table td { padding: 8px 10px; }

  /* 触控友好 */
  .btn { min-height: 42px; }
  .btn-sm { min-height: 34px; }
  .form-group input, .form-group select, .form-group textarea { font-size: 16px; min-height: 44px; }

  /* 模态框改为底部抽屉 */
  .modal { padding: 0; align-items: flex-end; }
  .modal-content, .modal-content.modal-lg, .modal-content.modal-xl {
    max-width: 100%;
    max-height: min(92vh, 92dvh);
    border-radius: 16px 16px 0 0;
    padding: 18px 16px calc(18px + env(safe-area-inset-bottom));
    animation: app-sheet-in .22s ease;
  }
  .page-actions .btn { flex: 1 1 auto; }
}
@keyframes app-sheet-in { from { transform: translateY(24px); opacity: .6; } to { transform: none; opacity: 1; } }

@media (max-width: 420px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .toolbar .search-box { max-width: none; }
}