:root {
  --bti-bg: #f6f7fe;
  --bti-surface: #ffffff;
  --bti-surface-alt: #f4f6ff;
  --bti-border: #dbe2ff;
  --bti-text: #1f2340;
  --bti-text-soft: #2d3563;
  --bti-muted: #66708f;
  --bti-primary: #6c63ff;
  --bti-primary-dark: #5146e5;
  --bti-secondary: #4f8cff;
  --bti-secondary-soft: #eef3ff;
  --bti-active-soft: #ece9ff;
  --bti-on-primary: #ffffff;
  --bti-radius-lg: 18px;
  --bti-radius-md: 14px;
  --bti-shadow: 0 18px 50px rgba(79, 96, 170, 0.12);
}

.bti-curriculum-app,
.bti-admin-wrap {
  font-family: Poppins, Arial, sans-serif;
  color: var(--bti-text);
}

.bti-curriculum-app {
  background: linear-gradient(180deg, #fcfcff 0%, #f3f5ff 100%);
  border: 1px solid var(--bti-border);
  border-radius: 32px;
  padding: 24px;
  box-shadow: var(--bti-shadow);
}

.bti-banner-card {
  display: grid;
  grid-template-columns: 1.5fr .7fr;
  gap: 20px;
  background: linear-gradient(135deg, #3f3aa8 0%, #4f46c7 52%, #3f8cff 100%);
  color: #fff;
  border-radius: 26px;
  padding: 24px;
  margin-bottom: 24px;
}

.bti-banner-brand {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 10px;
}

.bti-banner-logo {
  width: 72px;
  height: auto;
  background: #fff;
  border-radius: 16px;
  padding: 8px;
}

.bti-banner-card h2 {
  color: #fff;
  margin: 0 0 8px;
  font-size: 2rem;
}

.bti-banner-card p {
  margin: 0;
  color: rgba(255, 255, 255, 0.88);
  max-width: 58ch;
}

.bti-banner-actions {
  display: flex;
  justify-content: flex-end;
  align-items: flex-start;
}

.bti-banner-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  border-radius: 14px;
  background: #fff;
  color: #2a3170;
  text-decoration: none;
  font-weight: 700;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
}

.bti-banner-btn:hover,
.bti-banner-btn:focus-visible {
  background: #eef3ff;
  color: #1f2864;
  box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.18);
}

.bti-banner-btn--static {
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
}

.bti-curriculum-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(320px, .95fr);
  gap: 24px;
}

.bti-card,
.bti-admin-panel,
.bti-stat-card,
.bti-admin-hero-card,
.bti-preview-card {
  background: var(--bti-surface);
  border: 1px solid var(--bti-border);
  border-radius: var(--bti-radius-lg);
  box-shadow: var(--bti-shadow);
  min-width: 0;
}

.bti-card { padding: 22px; }
.bti-admin-panel { padding: 24px; margin-top: 18px; }
.bti-admin-panel--soft { margin-top: 0; box-shadow: none; background: #fbfbff; }

.bti-section-head h2,
.bti-section-head h3 {
  margin: 0 0 6px;
  font-size: 1.5rem;
}

.bti-section-head p,
.bti-admin-note {
  margin: 0;
  color: var(--bti-muted);
}

.bti-kicker,
.bti-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
  padding: 7px 12px;
  border-radius: 999px;
  background: #eef0ff;
  color: #4d56c9;
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
}

.bti-chip {
  background: #eaf2ff;
  color: #346bd6;
}

.bti-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}

.bti-fields label,
.bti-indicator-panel {
  min-width: 0;
}

.bti-fields label {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-weight: 600;
}

.bti-fields select,
.bti-summary-card textarea,
.bti-admin-wrap textarea,
.bti-admin-wrap input[type="text"],
.bti-admin-wrap input[type="url"] {
  width: 100%;
  border: 1px solid var(--bti-border);
  border-radius: var(--bti-radius-md);
  background: var(--bti-surface-alt);
  padding: 14px 16px;
  font-size: .98rem;
  color: var(--bti-text);
}

.bti-fields select {
  max-width: 100%;
  min-width: 0;
  padding-right: 44px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.bti-fields select:disabled {
  opacity: .6;
  cursor: not-allowed;
}

.bti-fields select:focus-visible,
.bti-summary-card textarea:focus-visible,
.bti-admin-wrap textarea:focus-visible,
.bti-admin-wrap input[type="text"]:focus-visible,
.bti-admin-wrap input[type="url"]:focus-visible {
  outline: 2px solid rgba(79, 140, 255, 0.35);
  outline-offset: 2px;
  border-color: #bfd1ff;
}

.bti-oa-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: end;
  grid-column: 1 / -1;
}

.bti-oa-detail-btn {
  min-height: 50px;
  padding: 0 16px;
  border-radius: 14px;
  border: 1px solid var(--bti-border);
  background: #eef2ff;
  color: #3f4bc3;
  font-weight: 700;
  cursor: pointer;
  transition: background .2s ease, color .2s ease, border-color .2s ease, box-shadow .2s ease;
}

.bti-oa-detail-btn:hover,
.bti-oa-detail-btn:focus-visible {
  background: #e3e9ff;
  color: #2f3bb2;
  border-color: #bfcfff;
  box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.12);
}

.bti-oa-detail-btn:disabled {
  opacity: .55;
  cursor: not-allowed;
}

.bti-indicator-panel {
  display: flex;
  flex-direction: column;
  gap: 8px;
  grid-column: 1 / -1;
}

.bti-indicator-panel > span {
  font-weight: 600;
}

.bti-indicator-list {
  display: grid;
  gap: 10px;
  max-height: 340px;
  overflow: auto;
  padding-right: 6px;
}

.bti-indicator-option {
  width: 100%;
  text-align: left;
  padding: 14px 16px;
  border: 1px solid var(--bti-border);
  border-radius: 14px;
  background: var(--bti-surface-alt);
  color: var(--bti-text) !important;
  line-height: 1.5;
  font-size: .96rem;
  white-space: normal;
  word-break: break-word;
  overflow-wrap: anywhere;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease, color .2s ease, box-shadow .2s ease;
}

.bti-indicator-option:hover {
  color: var(--bti-text) !important;
  border-color: var(--bti-secondary);
  background: var(--bti-secondary-soft);
}

.bti-indicator-option:focus-visible {
  color: var(--bti-text) !important;
  border-color: var(--bti-secondary);
  background: var(--bti-secondary-soft);
  outline: 2px solid rgba(79, 140, 255, 0.35);
  outline-offset: 2px;
}

.bti-indicator-option.is-active {
  color: var(--bti-text-soft) !important;
  border-color: var(--bti-primary);
  background: var(--bti-active-soft);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, 0.10);
}

.bti-activities-head {
  margin-top: 24px;
}

.bti-activities-head p,
.bti-empty {
  margin: 0;
  color: var(--bti-muted);
}

.bti-activities {
  margin-top: 16px;
  display: grid;
  gap: 14px;
}

.bti-activity-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--bti-border);
  border-radius: 16px;
  background: #fbfbff;
}

.bti-activity-check {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  margin-top: 2px;
}

.bti-activity-check input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.bti-check-ui {
  width: 22px;
  height: 22px;
  border-radius: 8px;
  border: 1px solid var(--bti-border);
  background: #fff;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, .7);
}

.bti-activity-check input:checked + .bti-check-ui {
  background: var(--bti-primary);
  border-color: var(--bti-primary-dark);
  box-shadow: 0 0 0 3px rgba(108, 99, 255, .12);
}

.bti-activity-check input:checked + .bti-check-ui::after {
  content: '';
  position: absolute;
  width: 6px;
  height: 11px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: translate(7px, 3px) rotate(45deg);
}

.bti-activity-copy {
  min-width: 0;
}

.bti-activity-item h4 {
  margin: 0 0 4px;
  font-size: 1rem;
}

.bti-download-link,
.bti-copy-btn,
.bti-preview-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 16px;
  border-radius: 12px;
  background: var(--bti-secondary);
  color: var(--bti-on-primary);
  text-decoration: none;
  font-weight: 700;
  border: none;
  transition: background .2s ease, box-shadow .2s ease, transform .2s ease;
}

.bti-download-link:hover,
.bti-copy-btn:hover,
.bti-preview-btn:hover {
  background: #3d7ef1;
  color: var(--bti-on-primary);
}

.bti-download-link:focus-visible,
.bti-copy-btn:focus-visible,
.bti-preview-btn:focus-visible,
.bti-oa-dialog__close:focus-visible {
  outline: 2px solid rgba(79, 140, 255, 0.35);
  outline-offset: 3px;
}

.bti-copy-btn {
  width: 100%;
  margin-top: 14px;
  background: var(--bti-primary);
}

.bti-copy-btn:hover,
.bti-copy-btn:focus-visible {
  background: var(--bti-primary-dark);
}

.bti-summary-card textarea {
  margin-top: 18px;
  resize: vertical;
  min-height: 320px;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
  line-height: 1.55;
}

.bti-admin-hero {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 20px;
  background: linear-gradient(135deg, #f7f8ff 0%, #eef3ff 100%);
  border: 1px solid var(--bti-border);
  border-radius: 26px;
  padding: 24px;
  margin-top: 18px;
}

.bti-admin-hero h1 {
  margin: 0 0 8px;
  font-size: 2rem;
}

.bti-admin-actions {
  display: flex;
  gap: 12px;
  margin-top: 16px;
  flex-wrap: wrap;
}

.bti-admin-hero-card {
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  justify-content: center;
}

.bti-admin-hero-card code {
  background: #f3f5ff;
  padding: 10px 12px;
  border-radius: 10px;
  font-size: .95rem;
}

.bti-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 18px;
}

.bti-stat-card {
  padding: 20px;
}

.bti-stat-card span {
  display: block;
  color: var(--bti-muted);
  margin-bottom: 8px;
}

.bti-stat-card strong {
  font-size: 2rem;
  line-height: 1;
}

.bti-admin-grid,
.bti-form-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 20px;
}

.bti-pre {
  white-space: pre-wrap;
  background: #f7f8ff;
  border: 1px solid var(--bti-border);
  border-radius: 14px;
  padding: 16px;
}

.bti-preview-card {
  padding: 22px;
  background: linear-gradient(180deg, #fcfcff 0%, #f4f6ff 100%);
}

.bti-preview-logo {
  width: 90px;
  height: auto;
  margin-bottom: 12px;
}

.bti-repeater-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.bti-repeater-list {
  display: grid;
  gap: 12px;
}

.bti-repeater-item {
  border: 1px solid var(--bti-border);
  background: #fff;
  border-radius: 14px;
  padding: 14px;
}

.bti-repeater-item .button-link-delete {
  margin-top: 10px;
  color: #b42318;
}

.bti-oa-dialog {
  width: min(720px, calc(100vw - 32px));
  border: none;
  border-radius: 24px;
  padding: 0;
  background: #fff;
  box-shadow: 0 28px 80px rgba(31, 35, 64, .25);
}

.bti-oa-dialog::backdrop {
  background: rgba(17, 24, 39, .48);
  backdrop-filter: blur(4px);
}

.bti-oa-dialog__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 22px 22px 12px;
  border-bottom: 1px solid #edf0ff;
}

.bti-oa-dialog__head h3 {
  margin: 0;
}

.bti-oa-dialog__close {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  border: 1px solid var(--bti-border);
  background: #f7f8ff;
  color: var(--bti-text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.bti-oa-dialog__close:hover {
  background: #eef3ff;
}

.bti-oa-dialog__body {
  padding: 22px;
  max-height: min(70vh, 640px);
  overflow: auto;
}

.bti-oa-dialog__body h4 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

.bti-oa-dialog__body p {
  margin: 0;
  color: var(--bti-text);
  line-height: 1.7;
  white-space: pre-wrap;
}

@media (max-width: 980px) {
  .bti-banner-card,
  .bti-curriculum-grid,
  .bti-admin-hero,
  .bti-stats-grid,
  .bti-admin-grid,
  .bti-form-grid,
  .bti-fields,
  .bti-oa-row {
    grid-template-columns: 1fr;
  }

  .bti-banner-actions {
    justify-content: flex-start;
  }

  .bti-repeater-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 760px) {
  .bti-curriculum-app {
    padding: 16px;
    border-radius: 20px;
  }

  .bti-card,
  .bti-admin-panel,
  .bti-stat-card {
    padding: 16px;
  }

  .bti-banner-card h2,
  .bti-admin-hero h1 {
    font-size: 1.5rem;
  }

  .bti-activity-item {
    grid-template-columns: 1fr;
  }

  .bti-download-link {
    width: 100%;
  }
}