:root {
  --bg: #eef2f8;
  --panel: #ffffff;
  --line: #e3e8f1;
  --text: #1f2a44;
  --sub: #6c7a96;
  --primary: #3554f5;
  --primary-strong: #2339c7;
  --danger: #ef4e4e;
  --ok: #12a566;
  --shadow: 0 12px 24px rgba(23, 40, 85, 0.08);
  --sidebar-width: 236px;
}

* {
  box-sizing: border-box;
}

.hidden {
  display: none !important;
}

body {
  margin: 0;
  font-family: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
  color: var(--text);
  background: var(--bg);
}

.bg-grid {
  position: fixed;
  inset: 0;
  background:
    linear-gradient(to right, rgba(53, 84, 245, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(53, 84, 245, 0.05) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.app-shell {
  position: relative;
  margin-left: var(--sidebar-width);
  padding: 28px 22px 40px;
}

.login-shell {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.login-card {
  width: min(460px, calc(100vw - 48px));
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: 0 20px 40px rgba(13, 24, 52, 0.2);
  padding: 22px;
  display: grid;
  gap: 12px;
}

.login-card h2 {
  margin: 0;
  font-size: 28px;
}

.login-card p {
  margin: 0;
  color: var(--sub);
}

.login-card label {
  display: grid;
  gap: 6px;
  color: var(--sub);
  font-size: 14px;
}

.login-card small {
  color: var(--sub);
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 14px;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.account-chip {
  background: #eef3ff;
  border: 1px solid #d7e1ff;
  color: #3554f5;
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 13px;
}

.topbar h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: 1px;
}

.topbar p {
  margin: 8px 0 0;
  color: var(--sub);
}

.tabs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  position: fixed;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--sidebar-width);
  overflow-y: auto;
  background: var(--panel);
  border-right: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 18px 12px;
  z-index: 30;
}

.tab {
  border: 1px solid var(--line);
  background: #f9fbff;
  color: var(--sub);
  border-radius: 10px;
  padding: 10px 14px;
  cursor: pointer;
  text-align: left;
  width: 100%;
}

.tab.active {
  border-color: var(--primary);
  color: #fff;
  background: linear-gradient(120deg, var(--primary), #5370ff);
}

.view {
  display: none;
}

.view.active {
  display: block;
}

main {
  min-width: 0;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 12px;
  margin-bottom: 14px;
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 14px;
}

.card .label {
  color: var(--sub);
  font-size: 13px;
}

.card .value {
  margin-top: 8px;
  font-size: 24px;
  font-weight: 700;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow);
  padding: 14px;
}

.panel h2 {
  margin: 4px 0 14px;
  font-size: 20px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.panel-head h2 {
  margin: 4px 0;
}

.layout-grid {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 14px;
}

.layout-grid.single-col {
  grid-template-columns: 1fr;
}

.form-grid {
  display: grid;
  gap: 12px;
}

.form-grid label {
  display: grid;
  gap: 6px;
  font-size: 14px;
  color: var(--sub);
}

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

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 9px 10px;
  font: inherit;
  color: var(--text);
  background: #fbfcff;
}

textarea {
  resize: vertical;
}

.checkbox-row {
  display: flex !important;
  align-items: center;
  gap: 8px;
  color: var(--text) !important;
}

.checkbox-row input {
  width: auto;
}

.btn {
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  padding: 9px 14px;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(120deg, var(--primary), #5f79ff);
  color: #fff;
}

.btn-outline {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
}

.btn-danger {
  background: #fff2f2;
  color: var(--danger);
  border: 1px solid #ffd5d5;
}

.btn-ok {
  background: #edfff7;
  color: var(--ok);
  border: 1px solid #beebd6;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

.users-table {
  min-width: 980px;
}

th,
td {
  border-bottom: 1px solid var(--line);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

th {
  color: var(--sub);
  font-weight: 600;
}

td .ops {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.ops {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.user-id {
  color: var(--sub);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono', 'Courier New', monospace;
}

.user-cell {
  display: flex;
  align-items: center;
  gap: 8px;
}

.permission-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.permission-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 8px;
  border: 1px solid #dbe4ff;
  border-radius: 999px;
  background: #f4f7ff;
  color: #3f57b0;
  font-size: 12px;
  line-height: 1.5;
}

.avatar-sm {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid #d9e1f6;
  background: #fff;
}

.avatar-fallback {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #5f6f92;
  font-size: 12px;
  font-weight: 700;
}

.status-pill {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}

.status-pending {
  background: #fff6da;
  color: #a67d00;
}

.status-done {
  background: #ecfff5;
  color: #0c9d5d;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 10px;
}

.metric-box {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fafcff;
  padding: 12px;
}

.metric-box .k {
  color: var(--sub);
  font-size: 13px;
}

.metric-box .v {
  margin-top: 6px;
  font-weight: 700;
  font-size: 22px;
}

.toast {
  position: fixed;
  right: 20px;
  bottom: 20px;
  z-index: 999;
  padding: 10px 14px;
  border-radius: 10px;
  background: rgba(31, 42, 68, 0.92);
  color: #fff;
  font-size: 14px;
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.2s ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal.hidden {
  display: none;
}

.modal-mask {
  position: absolute;
  inset: 0;
  background: rgba(10, 16, 33, 0.45);
}

.modal-dialog {
  position: relative;
  width: min(560px, calc(100vw - 40px));
  max-height: calc(100vh - 60px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
  box-shadow: 0 20px 36px rgba(15, 25, 52, 0.32);
  padding: 14px;
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 12px;
}

.modal-header h3 {
  margin: 0;
  font-size: 20px;
}

.icon-btn {
  width: 32px;
  height: 32px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--sub);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}

.modal-form {
  display: grid;
  gap: 12px;
}

.modal-fields {
  display: grid;
  gap: 10px;
}

.modal-field {
  display: grid;
  gap: 6px;
  color: var(--sub);
  font-size: 14px;
}

.file-preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.file-preview-item {
  margin: 0;
  width: 84px;
  display: grid;
  gap: 4px;
}

.file-preview-thumb {
  width: 84px;
  height: 84px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #f4f7ff;
  object-fit: cover;
}

.file-preview-name {
  font-size: 12px;
  color: var(--sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.modal-multicheck {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px;
}

.modal-multicheck legend {
  padding: 0 6px;
  color: var(--text);
  font-weight: 600;
}

.check-list {
  display: grid;
  gap: 8px;
}

.check-item {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  column-gap: 8px;
  row-gap: 2px;
  color: var(--text);
}

.check-item input {
  width: auto;
  margin-top: 2px;
}

.check-item small {
  grid-column: 2;
  color: var(--sub);
  font-size: 12px;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}