* { box-sizing: border-box; }
body { margin: 0; font-family: "Microsoft YaHei", Arial, sans-serif; background: #f4f6f8; color: #1f2933; }
.topbar { height: 56px; display: flex; align-items: center; justify-content: space-between; padding: 0 24px; background: #172033; color: #fff; }
.topbar a { color: #d8e7ff; margin-left: 18px; text-decoration: none; }
.page { padding: 24px; max-width: 1280px; margin: 0 auto; }
.split, .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 16px; align-items: start; }
.panel { background: #fff; border: 1px solid #dfe5ec; border-radius: 8px; padding: 18px; margin-bottom: 16px; box-shadow: 0 1px 2px rgba(20, 32, 48, .06); }
h1, h2 { margin: 0 0 16px; }
label { display: block; margin: 10px 0; font-weight: 600; }
input, select { width: 100%; margin-top: 6px; padding: 9px 10px; border: 1px solid #cbd5df; border-radius: 6px; font: inherit; }
input.compact-control, select.compact-control {
  min-width: 96px;
  margin-top: 0;
  padding: 6px 8px;
  font-size: 13px;
}
.wide-control { min-width: 180px; }
button { border: 0; background: #2563eb; color: #fff; border-radius: 6px; padding: 9px 14px; cursor: pointer; }
.button-link { display: inline-block; background: #2563eb; color: #fff; border-radius: 6px; padding: 9px 14px; text-decoration: none; }
button.danger { background: #d92d20; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 9px 8px; border-bottom: 1px solid #e5eaf0; text-align: left; vertical-align: top; }
th { background: #f8fafc; }
.table-wrap { overflow-x: auto; }
.flash { background: #fff5cc; border: 1px solid #f5d469; padding: 10px 12px; margin-bottom: 16px; border-radius: 6px; }
.muted { color: #667085; }
.inline { display: inline-block; margin-right: 6px; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 8px 14px; }
.wide { grid-column: 1 / -1; }
.hidden { display: none !important; }
.auth-shell { min-height: calc(100vh - 104px); display: grid; place-items: center; }
.auth-card { width: min(440px, 100%); background: #fff; border: 1px solid #dfe5ec; border-radius: 10px; padding: 18px; box-shadow: 0 12px 32px rgba(20,32,48,.12); }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.auth-tab { background: #eef4ff; color: #1d4ed8; }
.auth-tab.active { background: #2563eb; color: #fff; }
.auth-form h1 { margin-top: 4px; }
/* 验证码 */
.captcha-row { display: flex; gap: 10px; align-items: stretch; margin-top: 6px; }
.captcha-input { flex: 1; min-width: 0; margin-top: 0 !important; }
.captcha-img { height: 44px; border: 1px solid #cbd5df; border-radius: 6px; cursor: pointer; flex-shrink: 0; }
.captcha-img:hover { border-color: #2563eb; box-shadow: 0 0 0 2px rgba(37,99,235,.15); }
.highlight-code { color: #d97706 !important; font-size: 26px !important; }
.info-list { display: grid; grid-template-columns: 110px 1fr; gap: 8px 12px; margin: 0; }
.info-list dt { color: #667085; }
.info-list dd { margin: 0; font-weight: 600; }
.status-card { background: #f8fafc; border: 1px solid #e5eaf0; border-radius: 8px; padding: 12px; margin-bottom: 12px; }
.metric-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; }
.metric-row div { background: #f8fafc; border: 1px solid #e5eaf0; border-radius: 8px; padding: 12px; }
.metric-row strong { display: block; font-size: 22px; color: #172033; }
.metric-row span { color: #667085; font-size: 13px; }
.user-tree, .user-tree ul { list-style: none; margin: 0; padding-left: 22px; }
.user-tree { padding-left: 0; }
.user-tree li { border-left: 1px solid #dfe5ec; padding: 6px 0 6px 14px; }
.user-tree summary { cursor: pointer; line-height: 28px; }
.tree-name { font-weight: 700; margin-right: 8px; }
.tag { display: inline-block; background: #eef4ff; color: #1d4ed8; border-radius: 999px; padding: 2px 8px; font-size: 12px; margin-right: 6px; }
.admin-tabs,
.side-tabs,
.super-tabs {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 16px;
  align-items: start;
}
.admin-tabs > input,
.side-tabs > input,
.super-tabs > input { display: none; }
.admin-tab-nav,
.side-tab-nav,
.super-tab-nav {
  position: sticky;
  top: 72px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 10px;
}
.admin-tab-nav label,
.side-tab-nav label,
.super-tab-nav label {
  margin: 0;
  padding: 11px 12px;
  border-radius: 6px;
  color: #344054;
  cursor: pointer;
}
.admin-tab-nav label:hover,
.side-tab-nav label:hover,
.super-tab-nav label:hover { background: #eef4ff; color: #1d4ed8; }
.tab-panel { display: none; margin-bottom: 0; }
#tab-my-info:checked ~ .admin-tab-nav label[for="tab-my-info"],
#tab-all-users:checked ~ .admin-tab-nav label[for="tab-all-users"],
#tab-agent-review:checked ~ .admin-tab-nav label[for="tab-agent-review"],
#tab-registration-review:checked ~ .admin-tab-nav label[for="tab-registration-review"],
#tab-registration-apply:checked ~ .admin-tab-nav label[for="tab-registration-apply"],
#tab-renewal:checked ~ .admin-tab-nav label[for="tab-renewal"],
#tab-renewal-review:checked ~ .admin-tab-nav label[for="tab-renewal-review"],
#tab-devices:checked ~ .admin-tab-nav label[for="tab-devices"],
#tab-users:checked ~ .admin-tab-nav label[for="tab-users"],
#tab-logs:checked ~ .admin-tab-nav label[for="tab-logs"] {
  background: #2563eb;
  color: #fff;
}
#tab-my-info:checked ~ .admin-tab-content .my-info-panel,
#tab-all-users:checked ~ .admin-tab-content .all-users-panel,
#tab-agent-review:checked ~ .admin-tab-content .agent-review-panel,
#tab-registration-review:checked ~ .admin-tab-content .registration-review-panel,
#tab-registration-apply:checked ~ .admin-tab-content .registration-apply-panel,
#tab-renewal:checked ~ .admin-tab-content .renewal-panel,
#tab-renewal-review:checked ~ .admin-tab-content .renewal-review-panel,
#tab-devices:checked ~ .admin-tab-content .devices-panel,
#tab-users:checked ~ .admin-tab-content .users-panel,
#tab-logs:checked ~ .admin-tab-content .logs-panel {
  display: block;
}
#tab-my-info:checked ~ .side-tab-nav label[for="tab-my-info"],
#tab-submit-request:checked ~ .side-tab-nav label[for="tab-submit-request"],
#tab-renewal:checked ~ .side-tab-nav label[for="tab-renewal"],
#tab-agent-requests:checked ~ .side-tab-nav label[for="tab-agent-requests"],
#tab-agent-customers:checked ~ .side-tab-nav label[for="tab-agent-customers"],
#tab-sub-agents:checked ~ .side-tab-nav label[for="tab-sub-agents"],
#tab-direct-people:checked ~ .side-tab-nav label[for="tab-direct-people"],
#tab-agent-review:checked ~ .side-tab-nav label[for="tab-agent-review"],
#tab-devices:checked ~ .side-tab-nav label[for="tab-devices"],
#tab-activity:checked ~ .side-tab-nav label[for="tab-activity"] {
  background: #2563eb;
  color: #fff;
}
#tab-my-info:checked ~ .side-tab-content .my-info-panel,
#tab-submit-request:checked ~ .side-tab-content .submit-request-panel,
#tab-renewal:checked ~ .side-tab-content .renewal-panel,
#tab-agent-requests:checked ~ .side-tab-content .agent-requests-panel,
#tab-agent-customers:checked ~ .side-tab-content .agent-customers-panel,
#tab-sub-agents:checked ~ .side-tab-content .sub-agents-panel,
#tab-direct-people:checked ~ .side-tab-content .direct-people-panel,
#tab-agent-review:checked ~ .side-tab-content .agent-review-panel,
#tab-devices:checked ~ .side-tab-content .devices-panel,
#tab-activity:checked ~ .side-tab-content .activity-panel {
  display: block;
}

#tab-admin-list:checked ~ .super-tab-nav label[for="tab-admin-list"],
#tab-user-manage:checked ~ .super-tab-nav label[for="tab-user-manage"],
#tab-device-manage:checked ~ .super-tab-nav label[for="tab-device-manage"],
#tab-settings:checked ~ .super-tab-nav label[for="tab-settings"],
#tab-audit-log:checked ~ .super-tab-nav label[for="tab-audit-log"],
#tab-update:checked ~ .super-tab-nav label[for="tab-update"] {
  background: #2563eb;
  color: #fff;
}
#tab-admin-list:checked ~ .super-tab-content .admin-list-panel,
#tab-user-manage:checked ~ .super-tab-content .user-manage-panel,
#tab-device-manage:checked ~ .super-tab-content .device-manage-panel,
#tab-settings:checked ~ .super-tab-content .settings-panel,
#tab-audit-log:checked ~ .super-tab-content .audit-log-panel,
#tab-update:checked ~ .super-tab-content .update-panel {
  display: block;
}

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
  align-items: flex-start;
}
.filter-row label { margin: 0; flex: 0 0 auto; }
.filter-row input { margin-top: 0; }

/* ===== 版本更新面板 ===== */
.update-current-info {
  background: #f8fafc;
  border: 1px solid #e5eaf0;
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 24px;
}
.update-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 12px;
}
.update-info-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.update-info-label {
  font-size: 12px;
  color: #667085;
  font-weight: 600;
  text-transform: uppercase;
}
.update-info-value {
  font-size: 15px;
  font-weight: 700;
  color: #172033;
}
.highlight-version {
  font-size: 22px !important;
  color: #2563eb !important;
}
.update-sha {
  font-family: monospace;
  font-size: 12px !important;
  word-break: break-all;
}
.update-desc-box {
  background: #fff;
  border: 1px solid #dfe5ec;
  border-radius: 6px;
  padding: 12px;
  margin-top: 8px;
}
.update-desc-box strong {
  display: block;
  font-size: 14px;
  margin-bottom: 6px;
  color: #172033;
}
.update-desc-box pre {
  margin: 0;
  font: inherit;
  font-size: 13px;
  color: #344054;
  white-space: pre-wrap;
  line-height: 1.6;
}

/* 上传表单 */
.update-upload-form textarea {
  width: 100%;
  margin-top: 6px;
  padding: 9px 10px;
  border: 1px solid #cbd5df;
  border-radius: 6px;
  font: inherit;
  resize: vertical;
}
.update-upload-form input[type="file"] {
  padding: 8px;
  border: 2px dashed #cbd5df;
  border-radius: 8px;
  background: #f8fafc;
  cursor: pointer;
}
.update-upload-form input[type="file"]:hover {
  border-color: #2563eb;
  background: #eef4ff;
}
.update-upload-form small {
  display: block;
  margin-top: 4px;
  color: #667085;
  font-size: 12px;
}
.update-upload-form .required {
  color: #d92d20;
}
.btn-upload {
  background: #2563eb;
  color: #fff;
  border: none;
  border-radius: 6px;
  padding: 12px 28px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
}
.btn-upload:hover {
  background: #1d4ed8;
}
.upload-file-info {
  margin-top: 8px;
  padding: 8px 12px;
  background: #e6f4ea;
  border: 1px solid #a3d9b1;
  border-radius: 6px;
  color: #1a5e2a;
  font-size: 13px;
}
.upload-file-error {
  background: #fde8e8;
  border-color: #f5a9a9;
  color: #8b1a1a;
}

/* 历史版本表格 */
.update-history-table th {
  background: #f0f4ff;
}
.tag-danger {
  background: #fde8e8;
  color: #b91c1c;
}
.tag-success {
  background: #e6f4ea;
  color: #1a5e2a;
}

@media (max-width: 760px) {
  .admin-tabs,
  .side-tabs,
  .super-tabs { grid-template-columns: 1fr; }
  .admin-tab-nav,
  .side-tab-nav,
  .super-tab-nav {
    position: static;
    flex-direction: row;
    overflow-x: auto;
  }
  .admin-tab-nav label,
  .side-tab-nav label,
  .super-tab-nav label { white-space: nowrap; }
}