:root {
  --primary: #15803d;
  --primary-hover: #166534;
  --primary-light: #f0fdf4;
  --primary-border: #bbf7d0;
  --primary-deep: #14532d;
  
  --ink: #0f172a;
  --ink-secondary: #334155;
  --muted: #64748b;
  --line: #e2e8f0;
  --line-light: #f1f5f9;
  
  --paper: #f8fafc;
  --card: #ffffff;
  --card-subtle: #f8fafc;
  
  --warn-bg: #fff7ed;
  --warn-border: #fed7aa;
  --warn: #c2410c;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --danger-bg: #fef2f2;
  --success: #16a34a;
  --info: #0284c7;

  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 12px 28px -4px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 20px 35px -5px rgba(15, 23, 42, 0.15);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
}

body {
  color: var(--ink);
  background:
    radial-gradient(100% 50% at 50% 0%, #ecfdf5 0%, rgba(248, 250, 252, 0) 100%),
    var(--paper);
  font: 14px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

/* 顶部导航栏 */
.top {
  width: min(1360px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0 14px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mark {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, #16a34a, #15803d);
  color: #fff;
  font-weight: 700;
  font-size: 18px;
  box-shadow: 0 4px 10px rgba(22, 163, 74, 0.25);
  flex-shrink: 0;
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.eyebrow {
  margin: 0;
  color: var(--primary);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
}

h1, h2, h3 {
  margin: 0;
  font-weight: 700;
  color: var(--ink);
}

h1 {
  font-size: 21px;
  line-height: 1.25;
}

.top-meta {
  display: flex;
  align-items: center;
  gap: 8px;
}

.user-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  font-size: 13px;
  color: var(--ink-secondary);
}

.user-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  display: inline-block;
}

.idle-hint {
  font-size: 12px;
  color: var(--muted);
  padding: 0 4px;
}

.btn-top {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: var(--radius-sm);
}

/* 移动端切换 Tabs */
.mobile-tabs {
  position: sticky;
  top: 0;
  z-index: 30;
  display: none;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  padding: 6px 12px;
  gap: 8px;
}

.m-tab {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 9px 12px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: all .15s ease;
}

.m-tab.active {
  background: var(--primary-light);
  color: var(--primary-deep);
  border-color: var(--primary-border);
}

.m-tab-badge {
  font-size: 11px;
  background: var(--primary);
  color: #fff;
  padding: 1px 7px;
  border-radius: 999px;
  font-weight: 700;
}

/* 主内容布局 */
main, .admin {
  width: min(1360px, calc(100% - 32px));
  margin: 0 auto;
}

main {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding-bottom: 48px;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 20px;
  transition: box-shadow .2s ease;
}

.panel:hover {
  box-shadow: var(--shadow-md);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
}

.head-title {
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-badge {
  padding: 2px 8px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-sm);
  font-size: 12px;
  font-weight: 600;
}

.summary-badge {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-deep);
  background: var(--primary-light);
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--primary-border);
}

/* 表单排版 */
.form-panel {
  position: static;
  max-height: none;
  overflow: visible;
  padding: 12px 14px 10px;
}

.form-panel .panel-head {
  margin-bottom: 8px;
}

#billForm {
  display: grid;
  grid-template-columns: 148px minmax(180px, 1.6fr) minmax(100px, 0.8fr) repeat(3, minmax(120px, 1fr));
  gap: 8px 10px;
  align-items: end;
}

#billForm > label.grow {
  min-width: 0;
}

.form-section-title {
  display: none;
}

form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px 14px;
}

label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  color: var(--ink-secondary);
  font-size: 12.5px;
  font-weight: 500;
}

.span2 {
  grid-column: 1 / -1;
}

input, select, textarea, button {
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  transition: all .15s ease;
}

input, select, textarea {
  padding: 9px 12px;
  background: #ffffff;
  color: var(--ink);
  font-size: 13.5px;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(21, 128, 61, 0.12);
  background: #ffffff;
}

input::placeholder, textarea::placeholder {
  color: #94a3b8;
}

button {
  padding: 9px 15px;
  background: var(--card);
  color: var(--ink);
  font-weight: 550;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  user-select: none;
}

button:hover {
  background: #f8fafc;
  border-color: #cbd5e1;
}

button:active {
  transform: translateY(1px);
}

button.primary {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary-deep);
  box-shadow: 0 2px 6px rgba(21, 128, 61, 0.2);
}

button.primary:hover {
  background: var(--primary-hover);
  border-color: var(--primary-deep);
}

button.ghost {
  background: #f8fafc;
  border-color: var(--line);
  color: var(--ink-secondary);
}

button.ghost:hover {
  background: #f1f5f9;
  color: var(--ink);
}

button.danger {
  background: var(--danger);
  color: #fff;
  border-color: #991b1b;
}

button.danger:hover {
  background: var(--danger-hover);
}

button.btn-sm {
  padding: 5px 10px;
  font-size: 12.5px;
  border-radius: var(--radius-sm);
}

.check {
  flex-direction: row;
  align-items: center;
  gap: 7px;
  cursor: pointer;
  font-size: 13px;
}

.check input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  cursor: pointer;
}

/* 合计费用突出显示卡片 */
.form-bar {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 2px;
}

.total-line {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-right: auto;
  background: #f0fdf4;
  border: 1px solid var(--primary-border);
  border-radius: 999px;
  padding: 4px 12px;
}

.total-left {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.total-left span {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-deep);
}

.total-left strong,
.total-line strong {
  font-size: 18px;
  font-weight: 800;
  color: var(--primary-deep);
}

.total-detail {
  color: var(--primary-hover);
  font-size: 11px;
}

.form-actions {
  display: flex;
  gap: 8px;
}

.form-actions button,
.form-bar button {
  flex: 0 0 auto;
  min-width: 88px;
}

.btn-save {
  font-size: 14px;
  font-weight: 650;
  padding: 8px 16px;
}

.span-all {
  grid-column: 1 / -1;
}

#billForm .custom-fields {
  display: contents;
}

#billForm textarea,
#billForm input,
#billForm select {
  min-height: 34px;
  padding: 6px 8px;
}

/* 列表筛选与工具栏 */
.filters-panel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
  padding: 12px 14px;
  background: var(--card-subtle);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
}

.search-main-row {
  display: flex;
  gap: 8px;
  align-items: center;
}

.search-input-wrap {
  position: relative;
  flex: 1;
}

.search-icon {
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  opacity: 0.6;
  pointer-events: none;
}

.search-input-wrap input {
  width: 100%;
  padding-left: 32px;
}

.more-filters-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  padding-top: 10px;
  border-top: 1px dashed var(--line);
}

.filter-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--muted);
}

.filter-item select, .filter-item input {
  height: 36px;
  padding: 6px 10px;
}

.filter-date-range .date-inputs {
  display: flex;
  align-items: center;
  gap: 6px;
}

.date-sep {
  color: var(--muted);
  font-size: 12px;
}

.quick-date-chips {
  display: flex;
  gap: 6px;
  align-self: flex-end;
  padding-bottom: 2px;
}

.chip-btn {
  padding: 5px 9px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #ffffff;
  color: var(--muted);
}

.chip-btn.active, .chip-btn:hover {
  background: var(--primary-light);
  color: var(--primary-deep);
  border-color: var(--primary-border);
}

/* 工具栏与视图切换 */
.toolbar-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 12px;
}

.batch-tools, .action-tools {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}

tr.express-row td {
  background: #f0fdf4;
}

tr.linked-row td.cert_no,
.linked-fee {
  color: #64748b;
}

.kind-tag {
  display: inline-block;
  margin-right: 4px;
  padding: 1px 6px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  vertical-align: 1px;
}

.kind-tag.express {
  background: #15803d;
  color: #fff;
}

.kind-tag.linked {
  background: #e2e8f0;
  color: #475569;
}

.ref-list {
  color: #166534;
  font-weight: 600;
}

.express-card {
  border-color: #86efac;
  background: #f0fdf4;
}

.fee-sheet {
  width: min(560px, 100%);
}

.fee-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.express-preview {
  margin: 0 0 12px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
  font-size: 13px;
  line-height: 1.5;
  word-break: break-all;
}

.pick-count {
  font-size: 12.5px;
  font-weight: 600;
  color: var(--primary);
  padding: 0 4px;
}

.view-switch-group {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #ffffff;
}

.view-btn {
  border: none;
  border-radius: 0;
  padding: 5px 10px;
  font-size: 12px;
  background: #ffffff;
  color: var(--muted);
}

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

.table-meta-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 12.5px;
  color: var(--muted);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
}

.meta-item select {
  height: 28px;
  padding: 2px 8px;
  font-size: 12px;
}

/* 表格样式 */
.table-wrap {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  max-height: 580px;
  background: #ffffff;
  -webkit-overflow-scrolling: touch;
}

#billTable, .admin table {
  width: max-content;
  min-width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

#billTable th, .admin table th {
  position: sticky;
  top: 0;
  background: #f8fafc;
  z-index: 2;
  color: var(--muted);
  font-weight: 650;
  border-bottom: 2px solid var(--line);
  user-select: none;
}

#billTable th .col-resizer {
  position: absolute;
  top: 0;
  right: 0;
  width: 5px;
  height: 100%;
  cursor: col-resize;
}

th, td {
  padding: 10px 10px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  white-space: nowrap;
}

tbody tr {
  transition: background .12s ease;
}

tbody tr:hover {
  background: #f8fafc;
}

tbody tr.dup {
  background: #fffbeb;
}

td.bl-dup {
  color: #c2410c !important;
  font-weight: 750;
  background: #ffedd5;
  box-shadow: inset 3px 0 #ea580c;
}

.check-col {
  width: 36px;
  text-align: center;
}

.row-actions button {
  padding: 3px 7px;
  margin-right: 4px;
  font-size: 12px;
}

/* 移动端卡片视图 */
.card-list-container {
  display: grid;
  gap: 12px;
}

.bill-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 14px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color .15s ease;
}

.bill-card.dup {
  border-left: 4px solid var(--warn);
  background: #fffdfa;
}

.bill-card-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.bill-card-company {
  font-size: 15px;
  font-weight: 700;
  color: var(--ink);
}

.bill-card-date {
  font-size: 12px;
  color: var(--muted);
}

.bill-card-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px 12px;
  font-size: 13px;
  padding: 6px 0;
  border-top: 1px dashed var(--line-light);
  border-bottom: 1px dashed var(--line-light);
}

.bill-card-item {
  display: flex;
  flex-direction: column;
}

.bill-card-item-label {
  font-size: 11px;
  color: var(--muted);
}

.bill-card-item-val {
  font-weight: 500;
  word-break: break-all;
}

.bill-card-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.bill-card-total {
  font-size: 16px;
  font-weight: 750;
  color: var(--primary-deep);
}

.bill-card-actions {
  display: flex;
  gap: 6px;
}

/* 分页 */
.pager {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  color: var(--muted);
}

.page-indicator {
  font-size: 13px;
  font-weight: 500;
}

/* 模态弹窗 */
.edit-mask {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  animation: fadeIn .15s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.sheet {
  width: min(780px, 100%);
  max-height: min(800px, calc(100vh - 40px));
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: #ffffff;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  animation: slideUp .2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes slideUp {
  from { transform: translateY(20px) scale(0.98); opacity: 0; }
  to { transform: translateY(0) scale(1); opacity: 1; }
}

.sheet-top, .sheet-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 22px;
}

.sheet-top {
  border-bottom: 1px solid var(--line);
}

.sheet-foot {
  border-top: 1px solid var(--line);
  background: #f8fafc;
}

.sheet h2 {
  font-size: 20px;
}

.icon-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  border: 1px solid transparent;
  padding: 0;
}

.icon-close:hover {
  background: #f1f5f9;
}

.sheet-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 22px 0;
}

.sheet-meta span {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--primary-light);
  color: var(--primary-deep);
  font-size: 12px;
  font-weight: 550;
}

.sheet-grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 12px 14px;
  padding: 16px 22px;
  overflow-y: auto;
}

.sheet-grid .wide {
  grid-column: 1 / -1;
}

.sheet-total-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--primary-deep);
}

.sheet-body-padded {
  padding: 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  overflow-y: auto;
}

.export-sheet, .password-sheet {
  width: min(540px, 100%);
}

.sort-picks {
  display: grid;
  gap: 8px;
  padding: 14px 22px 0;
}

.sort-picks > b {
  font-size: 13px;
}

.scope-list, .pay-picks {
  display: grid;
  gap: 10px;
  padding: 16px 22px 0;
}

.scope {
  display: grid;
  grid-template-columns: 20px 1fr;
  gap: 12px;
  align-items: start;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: #fff;
  cursor: pointer;
}

.scope:has(input:checked) {
  border-color: var(--primary);
  background: var(--primary-light);
}

.scope b, .scope small {
  display: block;
}

.scope small {
  color: var(--muted);
  font-weight: 400;
  font-size: 12px;
  margin-top: 2px;
}

.pay-picks {
  grid-template-columns: auto repeat(2, 1fr);
  align-items: center;
  padding-bottom: 16px;
  gap: 10px;
}

/* 登录界面 */
.login-wrap {
  min-height: calc(100vh - 100px);
  display: grid;
  place-items: center;
  padding: 20px;
}

.login-card {
  width: min(420px, 100%);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.login-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 4px;
}

.login-mark {
  width: 48px;
  height: 48px;
  font-size: 22px;
}

.login-note {
  margin: 0;
  color: var(--muted);
  font-size: 12.5px;
  line-height: 1.5;
}

.login-btn {
  margin-top: 6px;
  padding: 11px;
  font-size: 15px;
}

/* 后台管理面板 */
.admin {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding-bottom: 60px;
}

.admin-top-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 6px 0;
}

.admin-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 14px;
}

.check-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  padding: 6px 0;
}

.user-mode-banner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 8px 12px;
  margin-bottom: 12px;
  font-size: 13px;
  color: var(--ink-secondary);
}

.user-mode-banner b {
  color: var(--primary);
}

.status-tag {
  font-size: 12px;
  padding: 2px 8px;
  border-radius: 999px;
  background: #f1f5f9;
  color: var(--muted);
}

.field-list {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.field-row {
  display: grid;
  grid-template-columns: 32px 1fr auto;
  gap: 10px;
  align-items: center;
  background: #f8fafc;
  padding: 6px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
}

.sub-heading {
  font-size: 16px;
  margin-top: 18px;
  margin-bottom: 4px;
}

.invoice-card {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 16px;
  margin-bottom: 14px;
  background: #fbfcfb;
}

.invoice-card.two {
  grid-template-columns: 1fr 1fr;
}

.invoice-card .span {
  grid-column: 1 / -1;
  margin: 0 0 4px;
}

.font-bold {
  font-weight: 700;
  color: var(--ink);
}

.qr-upload {
  display: flex;
  gap: 14px;
  align-items: center;
}

.qr-upload img {
  width: 90px;
  height: 90px;
  object-fit: contain;
  background: #fff;
  border: 1px dashed var(--line);
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.qr-upload img:not([src]), .qr-upload img[src=""] {
  visibility: hidden;
}

.qr-controls {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

/* 提示与消息 */
.warn {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  color: var(--warn);
  border-radius: var(--radius-md);
  padding: 10px 14px;
  font-size: 13px;
}

.warn b {
  display: block;
  font-weight: 700;
  margin-bottom: 2px;
}

.form-feedback {
  margin: 0;
  font-size: 13px;
  padding: 6px 10px;
  border-radius: var(--radius-sm);
}

.form-feedback.error {
  color: var(--danger);
  background: var(--danger-bg);
}

.form-feedback.success {
  color: var(--success);
  background: var(--primary-light);
}

.ai-box {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.import-box {
  margin-bottom: 12px;
  padding: 12px 14px;
  border: 1px solid var(--primary-border);
  border-radius: var(--radius-md);
  background: var(--primary-light);
}

.import-head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 13px;
}

.progress {
  height: 7px;
  border-radius: 999px;
  background: #e2e8f0;
  overflow: hidden;
}

.progress i {
  display: block;
  width: 0;
  height: 100%;
  background: var(--primary);
  transition: width .2s ease;
}

.hidden {
  display: none !important;
}

/* 全局 Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 9999;
  background: #0f172a;
  color: #ffffff;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
  animation: toastIn .2s cubic-bezier(0.16, 1, 0.3, 1);
  pointer-events: none;
}

@keyframes toastIn {
  from { transform: translate(-50%, 15px); opacity: 0; }
  to { transform: translate(-50%, 0); opacity: 1; }
}

/* 响应式适配 */
@media (max-width: 1100px) {
  #billForm {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1024px) {
  .admin-grid {
    grid-template-columns: 1fr 1fr;
  }
  .desktop-only {
    display: none !important;
  }
}

/* 手机端专用优化 (Mobile Web) */
@media (max-width: 768px) {
  .top {
    padding: 12px 0 10px;
    width: calc(100% - 24px);
  }
  
  .brand .mark {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }
  
  h1 {
    font-size: 18px;
  }

  .idle-hint {
    display: none !important;
  }

  .user-chip {
    padding: 4px 8px;
    font-size: 12px;
  }

  .btn-top {
    padding: 4px 8px;
    font-size: 12px;
  }

  .mobile-tabs {
    display: flex;
  }

  main, .admin {
    width: calc(100% - 20px);
  }

  .panel {
    padding: 14px;
    border-radius: var(--radius-md);
  }

  /* 表单在手机上单列更易点按 */
  form, #billForm {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  #billForm > label[data-field="company_name"],
  #billForm > label[data-field="remark"] {
    grid-column: 1 / -1;
  }

  .form-bar {
    grid-column: 1 / -1;
  }

  input, select, textarea, button {
    font-size: 14px;
    min-height: 40px;
  }

  .form-actions {
    flex-direction: column;
  }

  .search-main-row {
    flex-wrap: wrap;
  }

  .search-input-wrap {
    width: 100%;
    flex: none;
  }

  .more-filters-row {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-item {
    width: 100%;
  }

  .quick-date-chips {
    width: 100%;
    justify-content: space-between;
  }

  .toolbar-row {
    flex-direction: column;
    align-items: stretch;
  }

  .batch-tools, .action-tools {
    justify-content: space-between;
  }

  .admin-grid {
    grid-template-columns: 1fr;
  }

  .invoice-card, .invoice-card.two {
    grid-template-columns: 1fr;
  }

  .sheet {
    width: 100%;
    max-height: 90vh;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    margin-top: auto;
  }

  .edit-mask {
    padding: 0;
    align-items: flex-end;
  }

  .sheet-grid {
    grid-template-columns: 1fr;
    padding: 14px 16px;
  }

  .sheet-top, .sheet-foot {
    padding: 14px 16px;
  }

  .pay-picks {
    grid-template-columns: 1fr 1fr;
  }
}