:root {
  --bg: #f4f6fa;
  --panel: #ffffff;
  --text: #172033;
  --muted: #6b7280;
  --line: #d9dee8;
  --primary: #176b5f;
  --primary-dark: #0f4d45;
  --danger: #b42318;
  --shadow: 0 18px 44px rgba(23, 32, 51, 0.12);
}

* {
  box-sizing: border-box;
}

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

button,
input,
textarea {
  font: inherit;
}

.login-page {
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(23, 107, 95, 0.11), rgba(54, 96, 169, 0.1)),
    var(--bg);
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(420px, 100%);
  padding: 30px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 28px;
}

.brand-block.compact {
  margin-bottom: 24px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  color: #ffffff;
  background: var(--primary);
  border-radius: 8px;
  font-weight: 800;
}

.brand-block h1 {
  margin: 0;
  font-size: 20px;
}

.brand-block p,
.topbar p {
  margin: 4px 0 0;
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 18px;
}

.login-form label {
  display: grid;
  gap: 8px;
  color: #374151;
  font-size: 14px;
}

.login-form input {
  width: 100%;
  height: 42px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 12px;
  outline: none;
  background: #ffffff;
}

.login-form input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23, 107, 95, 0.12);
}

.captcha-row {
  display: grid;
  grid-template-columns: 1fr 120px;
  gap: 10px;
  align-items: center;
}

.captcha-button {
  width: 120px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  background: #f9fafb;
  cursor: pointer;
}

.captcha-button img {
  display: block;
  width: 120px;
  height: 48px;
  margin-top: -3px;
}

.message {
  min-height: 20px;
  margin: 0;
  font-size: 14px;
}

.message.error {
  color: var(--danger);
}

.primary-button,
.ghost-button {
  height: 42px;
  border-radius: 6px;
  cursor: pointer;
}

.primary-button {
  border: 0;
  color: #ffffff;
  background: var(--primary);
  font-weight: 700;
}

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

.primary-button:disabled {
  opacity: 0.65;
  cursor: not-allowed;
}

.ghost-button {
  padding: 0 16px;
  color: var(--text);
  border: 1px solid var(--line);
  background: #ffffff;
}

.admin-layout {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 240px 1fr;
}

.sidebar {
  padding: 24px;
  border-right: 1px solid var(--line);
  background: #ffffff;
}

.side-nav {
  display: grid;
  gap: 8px;
}

.side-nav a {
  display: block;
  padding: 10px 12px;
  color: var(--muted);
  border-radius: 6px;
  text-decoration: none;
}

.side-nav a.active {
  color: var(--primary);
  background: rgba(23, 107, 95, 0.09);
  font-weight: 700;
}

.nav-group {
  display: grid;
  gap: 6px;
  margin-top: 10px;
}

.nav-group span {
  padding: 10px 12px 4px;
  color: #374151;
  font-size: 13px;
  font-weight: 800;
}

.nav-group a {
  margin-left: 8px;
}

.content {
  padding: 28px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  margin-bottom: 24px;
}

.topbar h2 {
  margin: 0;
  font-size: 24px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.metric-card,
.data-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.metric-card {
  padding: 18px;
}

.metric-card span {
  display: block;
  color: var(--muted);
  font-size: 14px;
}

.metric-card strong {
  display: block;
  margin-top: 12px;
  font-size: 26px;
}

.data-panel {
  margin-bottom: 18px;
  padding: 20px;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding-bottom: 14px;
  margin-bottom: 10px;
}

.panel-header h3 {
  margin: 0;
  font-size: 18px;
}

.panel-note {
  color: var(--muted);
  font-size: 13px;
}

.page-section {
  display: none;
}

.page-section.active {
  display: block;
}

.resource-form {
  display: grid;
  gap: 16px;
  padding-top: 8px;
}

.resource-form label {
  display: grid;
  gap: 8px;
}

.resource-form label span {
  color: #374151;
  font-size: 14px;
}

.resource-form input,
.resource-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  outline: none;
  background: #ffffff;
}

.resource-form input:focus,
.resource-form textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(23, 107, 95, 0.12);
}

.resource-form textarea {
  min-height: 280px;
  resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 13px;
  line-height: 1.55;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.message.success {
  color: var(--primary);
}

.ghost-button.small {
  height: 32px;
  padding: 0 10px;
  font-size: 13px;
}

.ghost-button.danger {
  color: var(--danger);
}

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

.resource-table {
  width: 100%;
  min-width: 860px;
  border-collapse: collapse;
}

.resource-table th,
.resource-table td {
  padding: 12px 10px;
  border-bottom: 1px solid #edf0f5;
  text-align: left;
  vertical-align: top;
  font-size: 14px;
}

.resource-table th {
  color: #374151;
  background: #f8fafc;
  font-weight: 800;
}

.resource-table a {
  color: var(--primary);
  word-break: break-all;
}

.table-actions {
  display: flex;
  gap: 8px;
  white-space: nowrap;
}

.profile-list {
  margin: 0;
}

.profile-list div {
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 14px;
  padding: 13px 0;
  border-bottom: 1px solid #edf0f5;
}

.profile-list div:last-child {
  border-bottom: 0;
}

.profile-list dt {
  color: var(--muted);
}

.profile-list dd {
  margin: 0;
}

@media (max-width: 760px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }

  .sidebar {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .profile-list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .form-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .resource-form textarea {
    min-height: 220px;
  }
}