:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --line: #d9dee7;
  --text: #1f2933;
  --muted: #667085;
  --primary: #2364aa;
  --primary-dark: #174f8a;
  --success: #267a4b;
  --warn: #b45309;
  --danger: #b42318;
  --soft: #edf2f7;
  --shadow: 0 16px 40px rgba(26, 38, 56, 0.14);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: var(--bg);
  font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  letter-spacing: 0;
}

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

button {
  cursor: pointer;
}

.hidden { display: none !important; }

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background: linear-gradient(135deg, #eef4fb 0%, #f7f7f2 52%, #eef7f1 100%);
}

.login-panel {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 28px;
  display: grid;
  gap: 16px;
}

h1, h2, h3, p { margin: 0; }
h1 { font-size: 28px; }
h2 { font-size: 24px; }
h3 { font-size: 17px; }

.eyebrow {
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 6px;
}

.muted { color: var(--muted); font-size: 14px; }
.error { color: var(--danger); min-height: 20px; font-size: 14px; }
.notice {
  border: 1px solid #fedf89;
  border-radius: 6px;
  background: #fffbeb;
  color: #92400e;
  padding: 10px 12px;
  font-size: 14px;
  line-height: 1.45;
}

label {
  display: grid;
  gap: 6px;
  color: #344054;
  font-size: 14px;
  font-weight: 600;
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 11px;
  color: var(--text);
  background: #fff;
  outline: none;
}

textarea { min-height: 86px; resize: vertical; }

input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(35, 100, 170, 0.12);
}

.primary, .secondary, .ghost, .danger, .small-btn {
  border: 0;
  border-radius: 6px;
  min-height: 38px;
  padding: 0 14px;
  font-weight: 700;
}

.primary { background: var(--primary); color: #fff; }
.primary:hover { background: var(--primary-dark); }
.secondary { background: #e8f0fa; color: var(--primary-dark); }
.ghost { background: transparent; color: var(--muted); }
.danger { background: #fee4e2; color: var(--danger); }
.small-btn { min-height: 30px; padding: 0 10px; background: var(--soft); color: #344054; }

.app {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 248px 1fr;
}

.sidebar {
  background: #ffffff;
  border-right: 1px solid var(--line);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.brand {
  display: flex;
  gap: 10px;
  align-items: center;
  padding: 8px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #2364aa;
  color: #fff;
  font-weight: 800;
}

.brand small {
  display: block;
  color: var(--muted);
  margin-top: 2px;
}

nav {
  display: grid;
  gap: 6px;
}

.nav {
  text-align: left;
  border: 0;
  background: transparent;
  border-radius: 6px;
  padding: 11px 12px;
  color: #475467;
  font-weight: 700;
}

.nav.active, .nav:hover {
  background: #e8f0fa;
  color: var(--primary-dark);
}

.user-box {
  margin-top: auto;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
}

.main {
  min-width: 0;
  padding: 24px;
  overflow: auto;
}

.view { display: none; }
.view.active { display: block; }

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(150px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.metric {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 8px;
}

.metric strong {
  font-size: 26px;
}

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 14px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.panel h3 { margin-bottom: 12px; }

.bars { display: grid; gap: 10px; }
.bar-row {
  display: grid;
  grid-template-columns: 92px 1fr 40px;
  gap: 10px;
  align-items: center;
  font-size: 14px;
}

.bar {
  height: 9px;
  border-radius: 999px;
  background: #e4e7ec;
  overflow: hidden;
}

.bar i {
  display: block;
  height: 100%;
  background: var(--primary);
}

.compact-list {
  display: grid;
  gap: 8px;
  color: #344054;
}

.compact-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid #eef0f3;
  padding-bottom: 8px;
}

.filters {
  display: grid;
  grid-template-columns: minmax(240px, 1fr) 180px 160px 120px;
  gap: 10px;
  margin-bottom: 12px;
}

.account-filters {
  grid-template-columns: minmax(260px, 1fr) 150px 150px 150px 120px;
}

.table-wrap {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 1060px;
}

th, td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid #edf0f4;
  vertical-align: middle;
  font-size: 14px;
}

th {
  color: #475467;
  background: #f8fafc;
  white-space: nowrap;
}

tr:hover td { background: #fbfcfe; }

.badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 12px;
  font-weight: 800;
}

.status-养号中 { color: #175cd3; background: #dbeafe; }
.status-可用 { color: var(--success); background: #dcfae6; }
.status-异常 { color: var(--warn); background: #fef0c7; }
.status-废弃 { color: var(--danger); background: #fee4e2; }

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

.thumb {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  object-fit: cover;
  border: 1px solid var(--line);
  background: #f2f4f7;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 24px;
}

.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.44);
}

.modal-card {
  position: relative;
  width: min(920px, 100%);
  max-height: min(88vh, 860px);
  overflow: auto;
  background: #fff;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.modal-card header {
  position: sticky;
  top: 0;
  z-index: 1;
  background: #fff;
  border-bottom: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 18px;
}

#modalBody { padding: 18px; }

.icon-btn {
  width: 32px;
  height: 32px;
  border: 0;
  border-radius: 6px;
  background: var(--soft);
  font-size: 22px;
  line-height: 1;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-grid .full { grid-column: 1 / -1; }
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 18px;
}

.field-label {
  display: flex;
  gap: 6px;
  align-items: center;
}

.table-label {
  display: inline-flex;
  white-space: nowrap;
}

.help {
  display: inline-grid;
  place-items: center;
  width: 17px;
  height: 17px;
  min-height: 17px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: #eef4ff;
  color: var(--primary);
  font-size: 12px;
  font-weight: 900;
  line-height: 1;
  cursor: pointer;
  flex: 0 0 auto;
}

.help:hover,
.help:focus {
  background: #dbeafe;
  outline: 2px solid rgba(35, 100, 170, 0.18);
  outline-offset: 1px;
}

.help-tooltip {
  position: fixed;
  z-index: 60;
  max-width: 320px;
  border: 1px solid #b9c6d8;
  border-radius: 6px;
  background: #101828;
  color: #fff;
  box-shadow: 0 12px 28px rgba(15, 23, 42, 0.24);
  padding: 9px 11px;
  font-size: 13px;
  line-height: 1.45;
  font-weight: 500;
  pointer-events: none;
}

.tabs {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 14px;
}

.tab {
  border: 0;
  background: transparent;
  padding: 10px 12px;
  color: var(--muted);
  font-weight: 800;
  border-bottom: 2px solid transparent;
}

.tab.active {
  color: var(--primary-dark);
  border-bottom-color: var(--primary);
}

.detail-grid {
  display: grid;
  grid-template-columns: 160px 1fr;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.detail-grid dt, .detail-grid dd {
  margin: 0;
  padding: 12px;
  border-bottom: 1px solid #edf0f4;
}

.detail-grid dt { background: #f8fafc; font-weight: 800; color: #475467; }
.detail-grid dd { min-width: 0; overflow-wrap: anywhere; }

.sensitive-box {
  display: grid;
  gap: 10px;
}

.sensitive-row {
  display: grid;
  grid-template-columns: 130px 1fr auto;
  gap: 10px;
  align-items: center;
}

.dropzone {
  border: 1px dashed #98a2b3;
  border-radius: 8px;
  background: #fcfcfd;
  padding: 14px;
  display: grid;
  gap: 10px;
}

.image-preview {
  min-height: 64px;
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 24px;
  bottom: 24px;
  z-index: 30;
  background: #101828;
  color: #fff;
  border-radius: 8px;
  padding: 12px 14px;
  box-shadow: var(--shadow);
}

@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .metric-grid, .split, .filters, .form-grid { grid-template-columns: 1fr; }
  .main { padding: 16px; }
  .page-head { align-items: flex-start; flex-direction: column; }
}