/* ===========================================
   Open edX legacy button reset (scoped)
   =========================================== */
.pgn-wrapper button.btn,
.pgn-wrapper input[type="button"].btn,
.pgn-wrapper input[type="submit"].btn,
.pgn-wrapper a.btn {
  /* Open edX добавляет градиенты/тени/шрифт-шортхенд */
  background-image: none !important;
  text-shadow: none !important;
  box-shadow: none !important;

  letter-spacing: normal !important;
  font: inherit !important; /* перебить font: ... из lms-main-v1.css */
  -webkit-font-smoothing: antialiased;

  /* иногда LMS ставит border-radius/паддинги */
  border-radius: var(--pgn-size-btn-border-radius-base, 0.375rem) !important;
}

/* btn-link тоже лучше привести к нормальному виду */
.pgn-wrapper .btn.btn-link {
  background: transparent !important;
  background-image: none !important;
  border: 0 !important;
  box-shadow: none !important;
  text-shadow: none !important;
  letter-spacing: normal !important;
  font: inherit !important;
  padding: 0 !important;
}

/* =============== */
/* Layout + tokens */
/* =============== */

.pgn-wrapper {
  /* background-color: #f7f8fa;  <-- убрали по просьбе */
  background: transparent;
  min-height: 90vh;
  padding-bottom: 3rem;

  color: var(--pgn-color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;

  /* container */
  --pgn-container-max: 1200px;
  --pgn-container-pad: 24px;

  /* base colors */
  --pgn-color-surface: #ffffff;
  --pgn-color-border: #e6e9ee;
  --pgn-color-text: #1f2937;
  --pgn-color-muted: #6b7280;

  /* your outline-primary token values (minimal set) */
  --pgn-size-btn-border-width: 1px;
  --pgn-size-btn-border-radius-base: 0.375rem;
  --pgn-size-btn-focus-width: 2px;

  --pgn-spacing-btn-padding-y-base: 0.5625rem;
  --pgn-spacing-btn-padding-x-base: 1rem;
  --pgn-spacing-btn-padding-y-sm: 0.4375rem;
  --pgn-spacing-btn-padding-x-sm: 0.75rem;

  --pgn-typography-btn-font-weight: 400;
  --pgn-typography-btn-font-size-base: 1.125rem;
  --pgn-typography-btn-font-size-sm: 0.875rem;
  --pgn-typography-btn-line-height-base: 1.3333;
  --pgn-typography-btn-line-height-sm: 1.4286;

  --pgn-transition-btn: none;
  --pgn-other-btn-disabled-opacity: .65;

  --pgn-btn-color: #0A3055FF;
  --pgn-btn-bg: #00000000;
  --pgn-btn-border-color: #0A3055FF;

  --pgn-btn-hover-color: #082644FF;
  --pgn-btn-hover-bg: #F0F3F5FF;
  --pgn-btn-hover-border-color: #07223CFF;

  --pgn-btn-active-color: #454545FF;
  --pgn-btn-active-bg: #F0F3F5FF;
  --pgn-btn-active-border-color: #07223CFF;

  --pgn-btn-focus-color: #0A3055FF;
  --pgn-btn-focus-bg: #00000000;
  --pgn-btn-focus-border-color: #0A3055FF;
  --pgn-btn-focus-outline-color: #0A3055FF;

  --pgn-btn-disabled-color: #082644FF;
  --pgn-btn-disabled-bg: #00000000;
  --pgn-btn-disabled-border-color: #082644FF;
}

.pgn-container {
  max-width: var(--pgn-container-max);
  margin: 0 auto;
  padding: 0 var(--pgn-container-pad);
}

.pgn-kicker {
  text-transform: uppercase;
  letter-spacing: .06em;
  font-size: 12px;
  font-weight: 700;
  color: var(--pgn-color-muted);
  margin-bottom: 6px;
}

/* ========================================
   Header — улучшенный UI/UX (в общем стиле)
   - убран border-bottom
   - добавлен аккуратный разделитель через тень/градиент
   - back-link стал удобнее для клика + focus-visible
   - заголовок аккуратно обрезается на десктопе
   ======================================== */

.pgn-header {
  background: var(--pgn-color-surface);
  border-bottom: 0; /* <-- убрали по просьбе */
  padding: 16px 0 18px;
  margin-bottom: 16px;

  position: relative;
}


/* Back link (breadcrumb style, но с нормальной hit-area) */
.pgn-back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;

  font-size: 13px;
  font-weight: 700;
  color: var(--pgn-color-muted);
  text-decoration: none;

  padding: 6px 10px;
  border-radius: 999px;

  background: rgba(15, 23, 42, 0.04);
  transition: background-color 0.15s ease, color 0.15s ease;
  margin-bottom: 12px;
}

.pgn-back-link:hover {
  color: var(--pgn-btn-color);
  background: rgba(10, 48, 85, 0.08);
  text-decoration: none;
}

.pgn-back-link:focus {
  outline: none;
}

.pgn-back-link:focus-visible {
  outline: none;
  box-shadow: 0 0 0 var(--pgn-size-btn-focus-width) var(--pgn-btn-focus-outline-color);
}

.pgn-back-link svg {
  flex-shrink: 0;
  opacity: 0.8;
}

.pgn-back-link:hover svg {
  opacity: 1;
}

/* Header row — title + actions */
.pgn-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.pgn-header-info {
  flex: 1;
  min-width: 0; /* для text-overflow */
}

.pgn-title {
  margin: 0;
  font-size: 24px;
  font-weight: 800;
  color: var(--pgn-color-text);
  line-height: 1.25;

  /* если название курса длинное — не ломаем верстку */
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pgn-subtitle {
  margin-top: 6px;
  color: var(--pgn-color-muted);
  font-size: 12px;
}

/* Header actions (right side) */
.pgn-header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

/* Stats badge — в том же визуальном ключе, что и остальное */
.pgn-header-stat {
  display: flex;
  flex-direction: column;
  align-items: flex-end;

  padding: 8px 12px;
  border-radius: 10px;

  background: #fff7ed;
  border: 1px solid #fed7aa;

  box-shadow: 0 4px 14px rgba(16, 24, 40, 0.06);
}

.pgn-stat-value {
  font-size: 20px;
  font-weight: 900;
  color: #9a3412;
  line-height: 1;
  letter-spacing: -0.02em;
}

.pgn-stat-label {
  font-size: 11px;
  color: #c2410c;
  margin-top: 2px;
  font-weight: 700;
}

/* ========================================
   Responsive header
   ======================================== */

@media (max-width: 768px) {
  .pgn-header {
    padding: 12px 0 14px;
  }

  .pgn-header-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }

  .pgn-header-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .pgn-title {
    font-size: 20px;
    white-space: normal; /* на мобилке пусть переносится */
  }

  .pgn-back-link {
    margin-bottom: 10px;
  }

  .pgn-header-stat {
    align-items: flex-start;
  }
}

/* ========== */
/* Card shell */
/* ========== */

.pgn-card {
  background: var(--pgn-color-surface);
  border: 1px solid var(--pgn-color-border);
  border-radius: 10px;
  box-shadow: 0 4px 14px rgba(16, 24, 40, 0.06);
  overflow: hidden;
}

/* ========== */
/* Tabs block */
/* ========== */

.pgn-toolbar {
  background: var(--pgn-color-surface);
  border-bottom: 1px solid var(--pgn-color-border);
}

.pgn-toolbar-inner {
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.pgn-tabs {
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.pgn-tab-link {
  display: inline-flex;
  align-items: center;
  border: 0;
  background: transparent;
  color: #334155;
  padding: 10px 12px;
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid transparent;
}

.pgn-tab-link:hover {
  color: #0A3055FF;
}

.pgn-tab-link.active {
  color: #0A3055FF;
  border-bottom-color: #0A3055FF;
}

.pgn-toolbar-sticky {
  position: sticky;
  top: 0;
  z-index: 10;
}

/* ============= */
/* Controls right */
/* ============= */

.pgn-controls {
  display: flex;
  align-items: center;
  white-space: nowrap;
}

.pgn-controls > * + * {
  margin-left: 12px;
}

.pgn-select {
  height: 32px;
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 8px;
  border: 1px solid var(--pgn-color-border);
  background: #f3f4f6;
  color: #111827;
}

/* pagination */
.pgn-page-btn.btn.btn-link {
  padding: 0.25rem 0.35rem;
  border-radius: 8px;
  text-decoration: none;
  color: #6b7280;
}
.pgn-page-btn.btn.btn-link:hover {
  background: #f3f4f6;
  color: #111827;
}

/* ========== */
/* Table style */
/* ========== */

.pgn-table {
  width: 100%;
  margin: 0;
}

.pgn-table thead th {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #6b7280;
  background-color: #fbfbfc;
  border-top: 0;
  border-bottom: 1px solid #edf1f5;
  padding: 14px 16px;
  font-weight: 800;
  text-align: center;
}

.pgn-table tbody td {
  vertical-align: middle;
  padding: 14px 16px;
  color: #111827;
  font-size: 14px;
  border-top: 1px solid #f1f3f6;
}

.pgn-table tbody tr:hover {
  background: #fafbfc;
}

.pgn-mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

/* avatars */
.user-avatar-placeholder {
  width: 36px;
  height: 36px;
  background-color: #e6f2ff;
  color: #0A3055FF;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  margin-right: 12px;
  font-size: 13px;
}

/* status badge */
.status-badge {
  font-size: 11px;
  font-weight: 800;
  padding: 0.35em 0.65em;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ============================= */
/* Custom btn-outline-primary PGN */
/* ============================= */

.pgn-wrapper .btn.btn-outline-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;

  font-family: inherit;
  font-weight: var(--pgn-typography-btn-font-weight) !important;
  text-align: center;
  vertical-align: middle;
  user-select: none;

  border: var(--pgn-size-btn-border-width) solid var(--pgn-btn-border-color, transparent);
  color: var(--pgn-btn-color);
  background-color: var(--pgn-btn-bg);

  transition: var(--pgn-transition-btn);
  padding: var(--pgn-spacing-btn-padding-y-base) var(--pgn-spacing-btn-padding-x-base) !important;
  font-size: var(--pgn-typography-btn-font-size-base) !important;
  line-height: var(--pgn-typography-btn-line-height-base) !important;
  border-radius: var(--pgn-size-btn-border-radius-base);

  background-image: none !important;
  text-shadow: none !important;
  box-shadow: none !important;
  letter-spacing: normal !important;
}

.pgn-wrapper .btn.btn-outline-primary:hover {
  color: var(--pgn-btn-hover-color);
  background-color: var(--pgn-btn-hover-bg);
  border-color: var(--pgn-btn-hover-border-color);
}

.pgn-wrapper .btn.btn-outline-primary:active,
.pgn-wrapper .btn.btn-outline-primary.active {
  color: var(--pgn-btn-active-color);
  background-color: var(--pgn-btn-active-bg);
  border-color: var(--pgn-btn-active-border-color);
  box-shadow: none;
}

.pgn-wrapper .btn.btn-outline-primary:focus {
  outline: none;
}

.pgn-wrapper .btn.btn-outline-primary:focus-visible {
  color: var(--pgn-btn-focus-color);
  background-color: var(--pgn-btn-focus-bg);
  border-color: var(--pgn-btn-focus-border-color);
  outline: none;
  box-shadow: 0 0 0 var(--pgn-size-btn-focus-width) var(--pgn-btn-focus-outline-color);
}

.pgn-wrapper .btn.btn-outline-primary:disabled,
.pgn-wrapper .btn.btn-outline-primary.disabled {
  color: var(--pgn-btn-disabled-color);
  background-color: var(--pgn-btn-disabled-bg);
  border-color: var(--pgn-btn-disabled-border-color);
  opacity: var(--pgn-other-btn-disabled-opacity);
  pointer-events: none;
}

.pgn-wrapper .btn.btn-sm.btn-outline-primary {
  padding: var(--pgn-spacing-btn-padding-y-sm) var(--pgn-spacing-btn-padding-x-sm) !important;
  font-size: var(--pgn-typography-btn-font-size-sm) !important;
  line-height: var(--pgn-typography-btn-line-height-sm) !important;
}

/* ============ */
/* Toast (UX)   */
/* ============ */

.pgn-toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: 360px;
  background: #111827;
  color: #fff;
  padding: 10px 12px;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0,0,0,.18);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity .15s ease, transform .15s ease;
  pointer-events: none;
  z-index: 9999;
  font-size: 13px;
}

.pgn-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.pgn-toast--error { background: #7f1d1d; }
.pgn-toast--success { background: #064e3b; }
.pgn-toast--info { background: #0f172a; }

/* ============ */
/* Mobile tweaks */
/* ============ */

@media (max-width: 768px) {
  .pgn-container { padding: 0 16px; }

  /* hide some columns on small screens */
  .pgn-table th:nth-child(2),
  .pgn-table td:nth-child(2),
  .pgn-table th:nth-child(4),
  .pgn-table td:nth-child(4) {
    display: none;
  }

  .pgn-controls {
    flex-wrap: wrap;
    justify-content: flex-end;
  }
}

/* TOP ROW */
.pgn-header-top {
  display: grid;
  grid-template-columns: 1fr auto; /* слева — место, справа — кнопка */
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

/* ВАЖНО: не растягивать кнопку назад на всю колонку */
.pgn-header-top > a.btn {
  justify-self: start;   /* вместо stretch */
}

/* Правый блок тоже не растягиваем, прижимаем вправо */
.pgn-header-top-actions {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* Чтобы текст в кнопках не ломался на две строки на десктопе */
.pgn-header-top .btn {
  white-space: nowrap;
}

@media (max-width: 768px) {
  .pgn-header-top {
    grid-template-columns: 1fr; /* на мобилке одна колонка */
  }
  .pgn-header-top-actions {
    justify-self: start; /* кнопка инструкции под back-link, но аккуратно */
  }
}
/* Alerts (Final control general message) */
.pgn-wrapper .px-alert {
  display: flex;
  gap: 14px;
  padding: 16px 18px;
  border-radius: 10px;
  margin-bottom: 12px;
}

.pgn-wrapper .px-alert-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  margin-top: 1px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px; /* для FontAwesome */
}

.pgn-wrapper .px-alert-content {
  flex: 1;
}

.pgn-wrapper .px-alert-content strong {
  display: block;
  color: #111827;
  margin-bottom: 4px;
}

.pgn-wrapper .px-alert-content p {
  margin: 0;
  color: #4b5563;
  font-size: 14px;
}

/* Level colors */
.pgn-wrapper .px-alert--info {
  background: #eff6ff;
  border: 1px solid #93c5fd;
}
.pgn-wrapper .px-alert--info .px-alert-icon { color: #2563eb; }

.pgn-wrapper .px-alert--warning {
  background: #fffbeb;
  border: 1px solid #fcd34d;
}
.pgn-wrapper .px-alert--warning .px-alert-icon { color: #d97706; }

.pgn-wrapper .px-alert--danger {
  background: #fef2f2;
  border: 1px solid #fecaca;
}
.pgn-wrapper .px-alert--danger .px-alert-icon { color: #dc2626; }

.pgn-wrapper .px-alert--success {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
}
.pgn-wrapper .px-alert--success .px-alert-icon { color: #16a34a; }

.pgn-wrapper .px-alert--secondary {
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}
.pgn-wrapper .px-alert--secondary .px-alert-icon { color: #475569; }