.admin-page {
  min-height: 100vh;
  padding: 28px;
  background: var(--tiku-page);
  color: var(--tiku-text);
}

.admin-shell {
  display: flex;
  flex-direction: column;
  gap: 26px;
}

.admin-header {
  position: relative;
  overflow: hidden;
  padding: 30px;
  border-radius: 30px;
  background: linear-gradient(135deg, #1152d4, #3b82f6);
  box-shadow: var(--tiku-shadow-blue);
}

.admin-header::after {
  content: "";
  position: absolute;
  right: -64px;
  bottom: -84px;
  width: 240px;
  height: 240px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
}

.admin-kicker,
.admin-title,
.admin-subtitle {
  position: relative;
  z-index: 1;
  display: block;
}

.admin-kicker {
  color: rgba(255, 255, 255, 0.8);
  font-size: 22px;
  font-weight: 850;
}

.admin-title {
  margin-top: 8px;
  color: #fff;
  font-size: 38px;
  font-weight: 920;
  line-height: 1.2;
}

.admin-subtitle {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 24px;
  line-height: 1.45;
}

.admin-tabs,
.admin-actions {
  display: flex;
  gap: 12px;
  overflow-x: auto;
  padding-bottom: 6px;
}

.admin-actions.compact {
  flex-wrap: wrap;
  overflow-x: visible;
}

.admin-button,
.admin-mini-button {
  border: 1px solid var(--tiku-border);
  background: #fff;
  color: var(--tiku-primary);
  font-weight: 820;
}

.admin-button {
  min-width: 132px;
  height: 62px;
  border-radius: 16px;
  font-size: 23px;
  line-height: 62px;
}

.admin-mini-button {
  min-width: 112px;
  height: 54px;
  border-radius: 14px;
  font-size: 21px;
  line-height: 54px;
}

.admin-button.primary,
.admin-mini-button.primary {
  border-color: var(--tiku-primary);
  background: linear-gradient(135deg, var(--tiku-primary), #2563eb);
  color: #fff;
  box-shadow: 0 10px 20px rgba(17, 82, 212, 0.16);
}

.admin-button.active {
  border-color: var(--tiku-primary);
  background: var(--tiku-primary-soft);
  color: var(--tiku-primary);
}

.admin-mini-button.danger {
  border-color: #fecdd3;
  background: #fff1f2;
  color: #be123c;
}

.admin-section {
  margin-top: 4px;
}

.admin-section-title {
  display: block;
  margin-bottom: 14px;
  color: var(--tiku-text);
  font-size: 29px;
  font-weight: 900;
}

.admin-grid,
.admin-metric-grid {
  display: grid;
  gap: 14px;
}

.admin-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.admin-grid.three,
.admin-metric-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.admin-metric-grid {
  gap: 12px;
  margin-bottom: 14px;
}

.admin-metric-grid.compact .admin-metric {
  min-height: 88px;
  padding: 14px;
}

.admin-metric {
  min-height: 112px;
  padding: 20px;
  border: 1px solid var(--tiku-border);
  border-radius: 24px;
  background: #fff;
  box-shadow: var(--tiku-shadow);
}

.admin-metric.theme-template {
  cursor: pointer;
}

.admin-metric.theme-template.selected {
  border-color: var(--tiku-primary);
  box-shadow: 0 0 0 2px #bfdbfe;
}

.admin-metric-label,
.admin-row-meta,
.admin-field-label {
  display: block;
  color: var(--tiku-muted);
}

.admin-metric-label {
  font-size: 21px;
}

.admin-metric-value {
  display: block;
  margin-top: 12px;
  color: var(--tiku-text);
  font-size: 31px;
  font-weight: 900;
  line-height: 1.2;
}

.admin-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.admin-row {
  padding: 20px;
  border: 1px solid var(--tiku-border);
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 5px 16px rgba(15, 23, 42, 0.04);
}

.admin-row.active {
  border-color: var(--tiku-primary);
  background: var(--tiku-primary-soft);
}

.admin-module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.admin-module-card {
  position: relative;
  overflow: hidden;
  min-height: 170px;
  padding: 22px;
  border: 0;
  border-radius: 28px;
  background: linear-gradient(135deg, #1152d4, #38bdf8);
  box-shadow: 0 12px 24px rgba(17, 82, 212, 0.14);
}

.admin-module-card::after {
  content: "";
  position: absolute;
  right: -28px;
  bottom: -44px;
  width: 130px;
  height: 130px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.16);
}

.admin-module-card.module-students { background: linear-gradient(135deg, #10b981, #2dd4bf); }
.admin-module-card.module-content { background: linear-gradient(135deg, #7c3aed, #a78bfa); }
.admin-module-card.module-marketing { background: linear-gradient(135deg, #f97316, #fbbf24); }
.admin-module-card.module-commerce { background: linear-gradient(135deg, #ec4899, #f472b6); }
.admin-module-card.module-settings { background: linear-gradient(135deg, #334155, #64748b); }

.admin-module-card .admin-row-main,
.admin-module-card .admin-row-meta,
.admin-module-label {
  position: relative;
  z-index: 1;
}

.admin-module-card .admin-row-main {
  margin-top: 30px;
  color: #fff;
  font-size: 30px;
  font-weight: 950;
}

.admin-module-card .admin-row-meta {
  color: rgba(255, 255, 255, 0.82);
}

.admin-module-label {
  display: block;
  color: rgba(255, 255, 255, 0.82);
  font-size: 20px;
  font-weight: 850;
}

.admin-row-main {
  display: block;
  color: var(--tiku-text);
  font-size: 26px;
  font-weight: 820;
  line-height: 1.35;
}

.admin-row-meta {
  margin-top: 8px;
  font-size: 21px;
  line-height: 1.45;
}

.admin-empty {
  padding: 32px 22px;
  border: 1px dashed var(--tiku-border-strong);
  border-radius: 22px;
  background: #fff;
  color: var(--tiku-muted);
  font-size: 23px;
  line-height: 1.45;
}

.admin-input,
.admin-textarea {
  width: 100%;
  border: 1px solid var(--tiku-border);
  background: #fff;
  color: var(--tiku-text);
}

.admin-input {
  height: 66px;
  padding: 0 18px;
  border-radius: 16px;
  font-size: 24px;
}

.admin-input.compact {
  margin-top: 14px;
  height: 58px;
  font-size: 22px;
}

.admin-form-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin-top: 12px;
}

.admin-textarea {
  min-height: 220px;
  margin-top: 12px;
  padding: 18px;
  border-radius: 18px;
  font-size: 23px;
  line-height: 1.45;
}

.admin-row-actions {
  display: flex;
  gap: 10px;
  margin-top: 14px;
  overflow-x: auto;
}

.admin-sub-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 12px;
  padding: 12px;
  border-radius: 18px;
  background: #f8fafc;
}

.admin-sub-row {
  padding: 10px 12px;
  border: 1px solid var(--tiku-border);
  border-radius: 16px;
  background: #fff;
}

.admin-row.nested {
  margin-top: 14px;
  border-color: #bfdbfe;
  background: linear-gradient(135deg, #eff6ff, #fff);
  box-shadow: none;
}

.admin-error {
  display: block;
  margin-top: 12px;
  color: #be123c;
  font-size: 22px;
}

.theme-swatch-row {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}

.theme-swatch {
  width: 54px;
  height: 54px;
  border: 1px solid var(--tiku-border);
  border-radius: 14px;
}

.theme-preview-panel {
  margin-top: 14px;
  overflow: hidden;
  border: 1px solid var(--tiku-border);
  border-radius: 22px;
  background: #fff;
}

.theme-preview-banner {
  min-height: 134px;
  padding: 22px;
}

.theme-preview-title {
  display: block;
  color: #fff;
  font-size: 30px;
  font-weight: 850;
  line-height: 1.25;
}

.theme-preview-subtitle {
  display: block;
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 22px;
}

.theme-preview-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
}

.theme-preview-pill {
  width: 88px;
  height: 34px;
  border-radius: 999px;
}

.break-line {
  word-break: break-all;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

@media (min-width: 980px) {
  .admin-page {
    max-width: 1180px;
    margin: 0 auto;
    padding: 38px;
  }

  .admin-shell {
    gap: 30px;
  }

  .admin-header {
    padding: 38px;
  }

  .admin-title {
    font-size: 44px;
  }

  .admin-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .admin-grid.three,
  .admin-metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .admin-module-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .admin-form-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .admin-page {
    padding: 20px;
  }

  .admin-grid,
  .admin-grid.three,
  .admin-metric-grid,
  .admin-module-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .admin-title {
    font-size: 34px;
  }
}