/**
 * Python Course Trainer — две панели: Pyodide + навигация (премиум).
 */

.py-course-root {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  z-index: 1;
}

.py-course-header {
  flex-shrink: 0;
}

.py-course-header__course {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.1rem;
  padding: 0 0.75rem;
  text-align: center;
}

.py-course-header__course-label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: rgba(52, 211, 153, 0.85);
}

.py-course-header__lesson {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: min(42vw, 28rem);
}

[data-theme="light"] .py-course-header__lesson {
  color: rgba(15, 23, 42, 0.88);
}

/* Сетка: редактор | resizer | навигатор; ИИ — overlay */
.py-course-layout {
  flex: 1 1 auto;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) 10px minmax(18rem, 0.65fr);
  grid-template-rows: 1fr;
  gap: 0;
  padding: 0.5rem 0.65rem 0.65rem;
  box-sizing: border-box;
}

.py-course-layout__editor {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(52, 211, 153, 0.18);
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.py-course-sandbox-wrap {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.py-course-sandbox-wrap .python-sandbox-win-container,
.py-course-sandbox-wrap #python-sandbox-win-container {
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
}

.py-course-layout__resizer {
  cursor: col-resize;
  touch-action: none;
  position: relative;
  z-index: 3;
}

.py-course-layout__resizer::before {
  content: "";
  position: absolute;
  top: 8%;
  bottom: 8%;
  left: 50%;
  width: 2px;
  transform: translateX(-50%);
  border-radius: 999px;
  background: linear-gradient(
    180deg,
    transparent,
    rgba(52, 211, 153, 0.35) 50%,
    transparent
  );
}

.py-course-layout__nav {
  --py-nav-accent: #34d399;
  --py-nav-accent-bright: #6ee7b7;
  --py-nav-accent-deep: #059669;
  --py-nav-surface: rgba(12, 20, 36, 0.88);
  --py-nav-surface-elevated: rgba(18, 28, 48, 0.92);
  --py-nav-border: rgba(52, 211, 153, 0.28);
  --py-nav-glow: rgba(52, 211, 153, 0.14);
  --py-nav-text: rgba(255, 255, 255, 0.88);
  --py-nav-text-muted: rgba(255, 255, 255, 0.58);

  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  isolation: isolate;
  padding: 0.12rem 0 0.2rem 0.08rem;
}

.py-course-layout__nav::before {
  content: "";
  position: absolute;
  inset: -1px 0 0 -1px;
  border-radius: 15px;
  background: radial-gradient(
    ellipse 120% 80% at 100% -10%,
    rgba(52, 211, 153, 0.22) 0%,
    transparent 55%
  );
  pointer-events: none;
  z-index: 0;
}

.py-course-layout__nav::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 14px;
  box-shadow:
    0 0 0 1px rgba(52, 211, 153, 0.12),
    0 18px 48px rgba(0, 0, 0, 0.38),
    0 4px 16px rgba(52, 211, 153, 0.08);
  pointer-events: none;
  z-index: 0;
}

[data-theme="light"] .py-course-layout__nav {
  --py-nav-surface: rgba(255, 255, 255, 0.94);
  --py-nav-surface-elevated: rgba(248, 250, 252, 0.98);
  --py-nav-border: rgba(5, 184, 125, 0.22);
  --py-nav-glow: rgba(5, 184, 125, 0.1);
  --py-nav-text: rgba(15, 23, 42, 0.9);
  --py-nav-text-muted: rgba(15, 23, 42, 0.55);
}

[data-theme="light"] .py-course-layout__nav::before {
  background: radial-gradient(
    ellipse 120% 80% at 100% -10%,
    rgba(5, 184, 125, 0.14) 0%,
    transparent 55%
  );
}

[data-theme="light"] .py-course-layout__nav::after {
  box-shadow:
    0 0 0 1px rgba(5, 184, 125, 0.1),
    0 14px 36px rgba(15, 23, 42, 0.08),
    0 4px 12px rgba(5, 184, 125, 0.06);
}

/* Навигационная панель */
.py-course-layout__nav .py-course-nav {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  position: relative;
  z-index: 1;
  border-radius: 14px;
  border: 1px solid var(--py-nav-border);
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.07) 0%,
      rgba(255, 255, 255, 0) 18%
    ),
    linear-gradient(
      165deg,
      var(--py-nav-surface-elevated) 0%,
      var(--py-nav-surface) 48%,
      rgba(8, 14, 26, 0.96) 100%
    );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.09),
    inset 0 -1px 0 rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(16px) saturate(1.15);
  -webkit-backdrop-filter: blur(16px) saturate(1.15);
  overflow: hidden;
}

.py-course-layout__nav .py-course-nav::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    var(--py-nav-accent) 22%,
    var(--py-nav-accent-bright) 50%,
    var(--py-nav-accent) 78%,
    transparent 100%
  );
  opacity: 0.85;
  pointer-events: none;
  z-index: 2;
}

.py-course-layout__nav .py-course-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.65rem;
  padding: 0.72rem 0.9rem 0.68rem;
  border-bottom: 1px solid rgba(52, 211, 153, 0.12);
  background: linear-gradient(
    180deg,
    rgba(52, 211, 153, 0.1) 0%,
    rgba(52, 211, 153, 0.02) 100%
  );
}

.py-course-layout__nav .py-course-nav__title {
  margin: 0;
  font-size: 0.94rem;
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.25;
  color: var(--py-nav-text);
  text-shadow: 0 1px 0 rgba(0, 0, 0, 0.2);
}

.py-course-layout__nav .py-course-nav__collapse {
  width: 2.05rem;
  height: 2.05rem;
  flex-shrink: 0;
  border: 1px solid rgba(52, 211, 153, 0.32);
  border-radius: 9px;
  background: linear-gradient(
    165deg,
    rgba(52, 211, 153, 0.16) 0%,
    rgba(52, 211, 153, 0.06) 100%
  );
  color: var(--py-nav-accent-bright);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 2px 8px rgba(0, 0, 0, 0.18);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.py-course-layout__nav .py-course-nav__collapse:hover {
  border-color: rgba(110, 231, 183, 0.55);
  background: linear-gradient(
    165deg,
    rgba(52, 211, 153, 0.24) 0%,
    rgba(52, 211, 153, 0.1) 100%
  );
}

.py-course-layout__nav .py-course-nav__tracks {
  flex: 0 0 auto;
  padding: 0.6rem 0.65rem 0.7rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.08) 0%,
    transparent 100%
  );
}

.py-course-layout__nav .py-course-nav__tracks-heading {
  margin: 0 0 0.5rem;
  padding-left: 0.15rem;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(52, 211, 153, 0.82);
}

.py-course-layout__nav .py-course-nav__track {
  border-radius: 11px;
  border: 1px solid rgba(52, 211, 153, 0.2);
  background: linear-gradient(
    145deg,
    rgba(52, 211, 153, 0.09) 0%,
    rgba(52, 211, 153, 0.03) 100%
  );
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.py-course-layout__nav a.py-course-nav__track:hover {
  border-color: rgba(52, 211, 153, 0.38);
  background: linear-gradient(
    145deg,
    rgba(52, 211, 153, 0.16) 0%,
    rgba(52, 211, 153, 0.07) 100%
  );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.08),
    0 4px 14px rgba(52, 211, 153, 0.1);
}

.py-course-layout__nav .py-course-nav__track--active {
  background: linear-gradient(
    145deg,
    rgba(52, 211, 153, 0.2) 0%,
    rgba(52, 211, 153, 0.08) 100%
  );
  border-color: rgba(110, 231, 183, 0.48);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.1),
    0 0 0 1px rgba(52, 211, 153, 0.12),
    0 6px 18px rgba(52, 211, 153, 0.12);
}

.py-course-layout__nav .py-course-nav__levels--track {
  border-color: rgba(52, 211, 153, 0.22);
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.16) 0%,
    rgba(0, 0, 0, 0.08) 100%
  );
}

.py-course-layout__nav .py-course-nav__track-item--active .py-course-nav__levels--track {
  border-color: rgba(52, 211, 153, 0.42);
  background: linear-gradient(
    180deg,
    rgba(52, 211, 153, 0.08) 0%,
    rgba(52, 211, 153, 0.03) 100%
  );
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.py-course-layout__nav .py-course-nav__level-title {
  font-size: 0.73rem;
  font-weight: 650;
  color: rgba(255, 255, 255, 0.78);
}

.py-course-layout__nav .py-course-nav__level-num {
  background: linear-gradient(
    145deg,
    rgba(52, 211, 153, 0.28) 0%,
    rgba(52, 211, 153, 0.12) 100%
  );
  border: 1px solid rgba(52, 211, 153, 0.25);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.py-course-layout__nav .py-course-nav__lesson--active {
  background: linear-gradient(
    90deg,
    rgba(52, 211, 153, 0.2) 0%,
    rgba(52, 211, 153, 0.08) 100%
  );
  box-shadow: inset 2px 0 0 var(--py-nav-accent);
  color: var(--py-nav-accent-bright);
}

.py-course-layout__nav .py-course-nav__tabs {
  gap: 0.2rem;
  margin: 0.45rem 0.55rem 0;
  padding: 0.28rem;
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.22);
  box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.2);
}

.py-course-layout__nav .py-course-nav__tab {
  min-width: 0;
  padding: 0.38rem 0.45rem;
  border-radius: 9px;
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  color: var(--py-nav-text-muted);
}

.py-course-layout__nav .py-course-nav__tab--active {
  background: linear-gradient(
    165deg,
    rgba(52, 211, 153, 0.28) 0%,
    rgba(52, 211, 153, 0.14) 100%
  );
  border-color: rgba(52, 211, 153, 0.38);
  color: var(--py-nav-accent-bright);
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.12),
    0 2px 8px rgba(52, 211, 153, 0.12);
}

.py-course-layout__nav .py-course-nav__panels {
  margin-top: 0.35rem;
}

.py-course-layout__nav .py-course-nav__panel {
  padding: 0.8rem 0.9rem 1.1rem;
  color: var(--py-nav-text);
  scrollbar-color: rgba(52, 211, 153, 0.45) rgba(255, 255, 255, 0.06);
}

.py-course-layout__nav .py-course-nav__panel::-webkit-scrollbar {
  width: 8px;
}

.py-course-layout__nav .py-course-nav__panel::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 999px;
}

.py-course-layout__nav .py-course-nav__panel::-webkit-scrollbar-thumb {
  border-radius: 999px;
  background: linear-gradient(
    180deg,
    rgba(52, 211, 153, 0.55) 0%,
    rgba(5, 150, 105, 0.65) 100%
  );
  border: 2px solid transparent;
  background-clip: padding-box;
}

.py-course-layout__nav .py-course-nav__panel::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(
    180deg,
    rgba(110, 231, 183, 0.75) 0%,
    rgba(52, 211, 153, 0.8) 100%
  );
  background-clip: padding-box;
}

.py-course-layout__nav .py-course-nav__tree {
  padding-top: 0.15rem;
}

[data-theme="light"] .py-course-layout__nav .py-course-nav {
  background:
    linear-gradient(
      180deg,
      rgba(255, 255, 255, 0.92) 0%,
      rgba(255, 255, 255, 0) 22%
    ),
    linear-gradient(
      165deg,
      rgba(255, 255, 255, 0.98) 0%,
      rgba(248, 250, 252, 0.96) 100%
    );
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset 0 -1px 0 rgba(15, 23, 42, 0.04);
}

[data-theme="light"] .py-course-layout__nav .py-course-nav__head {
  background: linear-gradient(
    180deg,
    rgba(5, 184, 125, 0.08) 0%,
    rgba(5, 184, 125, 0.02) 100%
  );
  border-bottom-color: rgba(5, 184, 125, 0.12);
}

[data-theme="light"] .py-course-layout__nav .py-course-nav__title {
  text-shadow: none;
  color: var(--py-nav-text);
}

[data-theme="light"] .py-course-layout__nav .py-course-nav__tabs {
  background: rgba(15, 23, 42, 0.04);
  border-color: rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .py-course-layout__nav .py-course-nav__lesson--active {
  color: var(--py-nav-accent-deep);
  box-shadow: inset 2px 0 0 var(--py-nav-accent-deep);
}

/* Legacy selectors (fallback if nav used outside layout wrapper) */
.py-course-nav {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  border-radius: 12px;
  border: 1px solid rgba(52, 211, 153, 0.22);
  background: linear-gradient(
    165deg,
    rgba(15, 23, 42, 0.94) 0%,
    rgba(10, 18, 32, 0.98) 100%
  );
  box-shadow:
    0 8px 32px rgba(0, 0, 0, 0.35),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(12px);
}

[data-theme="light"] .py-course-nav {
  background: linear-gradient(
    165deg,
    rgba(255, 255, 255, 0.96) 0%,
    rgba(248, 250, 252, 0.98) 100%
  );
  border-color: rgba(5, 184, 125, 0.2);
}

.py-course-nav__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid rgba(52, 211, 153, 0.15);
}

.py-course-nav__title {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.02em;
  color: rgba(255, 255, 255, 0.95);
}

[data-theme="light"] .py-course-nav__title {
  color: rgba(15, 23, 42, 0.92);
}

.py-course-nav__collapse {
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(52, 211, 153, 0.25);
  border-radius: 8px;
  background: rgba(52, 211, 153, 0.08);
  color: rgba(52, 211, 153, 0.95);
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

.py-course-nav__body {
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Каталог треков Python-0 / Python-2 / Python-3 */
.py-course-nav__tracks {
  flex: 0 0 auto;
  padding: 0.55rem 0.6rem 0.65rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.py-course-nav__tracks-heading {
  margin: 0 0 0.45rem;
  font-size: 0.68rem;
  font-weight: 650;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(52, 211, 153, 0.75);
}

.py-course-nav__tracks-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.py-course-nav__track-item {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.py-course-nav__track-item--active .py-course-nav__track {
  border-radius: 10px 10px 0 0;
}

.py-course-nav__levels--track {
  margin: 0;
  padding: 0.35rem 0.45rem 0.5rem 0.55rem;
  border: 1px solid rgba(52, 211, 153, 0.16);
  border-top: none;
  border-radius: 0 0 10px 10px;
  background: rgba(0, 0, 0, 0.14);
}

.py-course-nav__lessons--track {
  margin: 0;
  padding: 0;
  list-style: none;
}

.py-course-nav__levels--track .py-course-nav__lessons--track {
  padding: 0.15rem 0 0.25rem 0.35rem;
}

.py-course-nav__track-item--active .py-course-nav__levels--track {
  border-color: rgba(52, 211, 153, 0.45);
  background: rgba(52, 211, 153, 0.06);
  box-shadow: inset 0 0 0 1px rgba(52, 211, 153, 0.08);
}

.py-course-nav__lessons--track .py-course-nav__lesson {
  padding: 0.38rem 0.45rem 0.38rem 0.35rem;
  border-radius: 8px;
  font-size: 0.76rem;
}

.py-course-nav__lessons--track .py-course-nav__lesson-text {
  line-height: 1.35;
}

[data-theme="light"] .py-course-nav__levels--track {
  background: rgba(5, 184, 125, 0.04);
  border-color: rgba(5, 184, 125, 0.18);
}

[data-theme="light"] .py-course-nav__track-item--active .py-course-nav__levels--track {
  border-color: rgba(5, 184, 125, 0.35);
  background: rgba(5, 184, 125, 0.07);
}

.py-course-nav__track {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  border: 1px solid rgba(52, 211, 153, 0.16);
  background: rgba(52, 211, 153, 0.05);
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s;
}

a.py-course-nav__track:hover {
  background: rgba(52, 211, 153, 0.12);
  border-color: rgba(52, 211, 153, 0.32);
}

.py-course-nav__track--active {
  background: rgba(52, 211, 153, 0.16);
  border-color: rgba(52, 211, 153, 0.45);
  box-shadow: inset 0 0 0 1px rgba(52, 211, 153, 0.12);
}

.py-course-nav__track--soon {
  opacity: 0.55;
  cursor: default;
}

.py-course-nav__track-id {
  font-size: 0.82rem;
  font-weight: 700;
  color: #6ee7b7;
}

.py-course-nav__track-sub {
  flex: 1 1 auto;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.72);
}

.py-course-nav__track-badge {
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.12rem 0.35rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.5);
}

.py-course-nav__tracks-hint {
  margin: 0.55rem 0 0;
  font-size: 0.74rem;
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.48);
}

[data-theme="light"] .py-course-nav__track-sub,
[data-theme="light"] .py-course-nav__tracks-hint {
  color: rgba(15, 23, 42, 0.58);
}

[data-theme="light"] .py-course-nav__track {
  background: rgba(5, 184, 125, 0.06);
  border-color: rgba(5, 184, 125, 0.18);
}

[data-theme="light"] .py-course-nav__track-id {
  color: #059669;
}

.py-course-nav__tree {
  flex: 1 1 auto;
  min-height: 0;
  overflow-y: auto;
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  scrollbar-width: thin;
}

.py-course-nav__module {
  margin-bottom: 0.25rem;
}

.py-course-nav__level {
  margin-bottom: 0.2rem;
}

.py-course-nav__level:last-child {
  margin-bottom: 0;
}

.py-course-nav__level-title {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.28rem 0.35rem;
  cursor: pointer;
  font-size: 0.74rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.78);
  list-style: none;
}

.py-course-nav__level-title::-webkit-details-marker {
  display: none;
}

[data-theme="light"] .py-course-nav__level-title {
  color: rgba(15, 23, 42, 0.72);
}

.py-course-nav__level-num {
  flex-shrink: 0;
  width: 1.2rem;
  height: 1.2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
  background: rgba(52, 211, 153, 0.12);
  color: #34d399;
  font-size: 0.68rem;
}

.py-course-nav__module-title {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.4rem;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.82);
  list-style: none;
}

.py-course-nav__module-title::-webkit-details-marker {
  display: none;
}

[data-theme="light"] .py-course-nav__module-title {
  color: rgba(15, 23, 42, 0.78);
}

.py-course-nav__module-num {
  flex-shrink: 0;
  width: 1.35rem;
  height: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
  background: rgba(52, 211, 153, 0.15);
  color: #34d399;
  font-size: 0.72rem;
}

.py-course-nav__lessons {
  list-style: none;
  margin: 0;
  padding: 0 0 0.35rem 1.85rem;
}

.py-course-nav__lesson {
  display: flex;
  align-items: flex-start;
  gap: 0.4rem;
  padding: 0.3rem 0.35rem;
  border-radius: 8px;
  text-decoration: none;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.68);
  transition: background 0.15s, color 0.15s;
}

.py-course-nav__lesson:hover {
  background: rgba(255, 255, 255, 0.06);
  color: rgba(255, 255, 255, 0.92);
}

.py-course-nav__lesson--active {
  background: rgba(52, 211, 153, 0.14);
  color: #6ee7b7;
}

.py-course-nav__lesson--done .py-course-nav__lesson-dot {
  background: #34d399;
  box-shadow: 0 0 0 2px rgba(52, 211, 153, 0.35);
}

.py-course-nav__lesson-dot {
  flex-shrink: 0;
  width: 6px;
  height: 6px;
  margin-top: 0.35rem;
  border-radius: 50%;
  background: rgba(148, 163, 184, 0.5);
}

[data-theme="light"] .py-course-nav__lesson {
  color: rgba(15, 23, 42, 0.62);
}

[data-theme="light"] .py-course-nav__lesson--active {
  color: #059669;
}

.py-course-nav__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  padding: 0.45rem 0.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.py-course-nav__tab {
  flex: 1 1 auto;
  min-width: 4.2rem;
  padding: 0.35rem 0.5rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.72rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.py-course-nav__tab:hover {
  color: rgba(255, 255, 255, 0.88);
  background: rgba(255, 255, 255, 0.05);
}

.py-course-nav__tab--active {
  background: rgba(52, 211, 153, 0.18);
  border-color: rgba(52, 211, 153, 0.35);
  color: #6ee7b7;
}

[data-theme="light"] .py-course-nav__tab {
  color: rgba(15, 23, 42, 0.5);
}

[data-theme="light"] .py-course-nav__tab--active {
  color: #047857;
  background: rgba(5, 184, 125, 0.12);
}

.py-course-nav__panels {
  flex: 1 1 auto;
  min-height: 0;
  overflow: hidden;
  position: relative;
}

.py-course-nav__panel {
  position: absolute;
  inset: 0;
  overflow-y: auto;
  padding: 0.75rem 0.85rem 1rem;
  font-size: 0.88rem;
  line-height: 1.55;
  color: rgba(255, 255, 255, 0.82);
  scrollbar-width: thin;
}

.py-course-nav__panel[hidden] {
  display: none !important;
}

.py-course-nav__panel--active {
  display: block;
}

[data-theme="light"] .py-course-nav__panel {
  color: rgba(15, 23, 42, 0.82);
}

.py-course-nav__placeholder {
  opacity: 0.65;
  font-style: italic;
}

.py-course-exercise-list {
  list-style: none;
  margin: 0.75rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.py-course-exercise-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  padding: 0.55rem 0.65rem;
  border-radius: 10px;
  border: 1px solid rgba(52, 211, 153, 0.22);
  background: rgba(52, 211, 153, 0.06);
  color: inherit;
  cursor: pointer;
  text-align: left;
  transition: border-color 0.15s, background 0.15s;
}

.py-course-exercise-btn:hover {
  border-color: rgba(52, 211, 153, 0.45);
  background: rgba(52, 211, 153, 0.12);
}

.py-course-exercise-btn__pts {
  font-size: 0.7rem;
  opacity: 0.7;
}

.py-course-exercise-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.py-course-exercise-item--done .py-course-exercise-btn {
  border-color: rgba(52, 211, 153, 0.55);
  background: rgba(52, 211, 153, 0.14);
}

.py-course-exercise-check {
  align-self: flex-start;
  padding: 0.3rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(52, 211, 153, 0.4);
  background: rgba(52, 211, 153, 0.12);
  color: #6ee7b7;
  font-size: 0.72rem;
  font-weight: 650;
  cursor: pointer;
}

.py-course-exercise-check:hover {
  background: rgba(52, 211, 153, 0.22);
}

.py-course-exercise-result {
  font-size: 0.78rem;
  padding: 0.4rem 0.55rem;
  border-radius: 8px;
  line-height: 1.4;
}

.py-course-exercise-result--ok {
  background: rgba(52, 211, 153, 0.12);
  color: #6ee7b7;
  border: 1px solid rgba(52, 211, 153, 0.25);
}

.py-course-exercise-result--fail {
  background: rgba(248, 113, 113, 0.1);
  color: #fca5a5;
  border: 1px solid rgba(248, 113, 113, 0.25);
}

.py-course-practice-hint {
  margin: 0.65rem 0 0;
  font-size: 0.75rem;
  opacity: 0.65;
}

.py-course-nav__panel--ai {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.py-course-nav__ai-lede {
  margin: 0;
  opacity: 0.85;
}

.py-course-nav__ai-open {
  align-self: flex-start;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  border: none;
  background: linear-gradient(135deg, #34d399, #059669);
  color: #042f1a;
  font-weight: 650;
  cursor: pointer;
}

.py-course-nav__ai-tips {
  margin: 0;
  padding-left: 1.1rem;
  opacity: 0.75;
  font-size: 0.82rem;
}

/* ИИ: колонка скрыта, FAB виден */
.py-course-layout__ai {
  position: fixed;
  right: 0;
  bottom: 0;
  width: 0;
  height: 0;
  overflow: visible;
  pointer-events: none;
  z-index: 10060;
}

body.neuroege-python-playground-chat-closed .py-course-layout__ai #neuroege-ai-chat {
  visibility: visible;
  pointer-events: auto;
  position: fixed !important;
  right: 1rem !important;
  bottom: 1.25rem !important;
  z-index: 10070 !important;
}

/* Свернутая навигация (только десктоп) */
@media (min-width: 901px) {
  body.py-course-nav-collapsed .py-course-layout {
    grid-template-columns: minmax(0, 1fr) 0 3rem;
  }

  body.py-course-nav-collapsed .py-course-layout__resizer {
    display: none;
  }

  body.py-course-nav-collapsed .py-course-layout__nav {
    padding: 0;
    min-width: 3rem;
    max-width: 3rem;
  }

  body.py-course-nav-collapsed .py-course-layout__nav .py-course-nav {
    border-radius: 12px;
    min-height: 100%;
    height: 100%;
  }

  body.py-course-nav-collapsed .py-course-layout__nav::before,
  body.py-course-nav-collapsed .py-course-layout__nav::after {
    border-radius: 12px;
  }

  body.py-course-nav-collapsed .py-course-nav__head {
    flex: 1 1 auto;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 0;
    min-height: 0;
    padding: 0.55rem 0.2rem;
    border-bottom: none;
  }

  body.py-course-nav-collapsed .py-course-nav__title {
    display: none;
  }

  body.py-course-nav-collapsed .py-course-nav__body {
    display: none;
  }

  body.py-course-nav-collapsed .py-course-nav__collapse {
    transform: rotate(180deg);
    width: 2.35rem;
    height: 2.35rem;
    flex-shrink: 0;
  }
}

@media (max-width: 900px) {
  .py-course-nav__collapse {
    display: none;
  }

  .py-course-layout {
    grid-template-columns: 1fr;
    grid-template-rows: minmax(50vh, 1fr) auto;
  }

  .py-course-layout__resizer {
    display: none;
  }

  .py-course-layout__nav {
    max-height: 42vh;
    padding: 0;
  }

  .py-course-layout__nav::before,
  .py-course-layout__nav::after {
    border-radius: 12px;
  }
}

/* Трассировка (как /ege-2/) */
.neuroege-python-course-trainer .python-sandbox__toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-right: 0.35rem;
}

/* Навигация по урокам / экспериментам */
.neuroege-python-course-trainer .py-course-lesson-nav {
  --py-lesson-nav-accent: #38bdf8;
  --py-lesson-nav-accent-deep: #0284c7;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  margin-left: auto;
  padding: 0.18rem 0.3rem;
  border-radius: 10px;
  border: 1px solid rgba(56, 189, 248, 0.28);
  background: linear-gradient(
    165deg,
    rgba(8, 47, 73, 0.55) 0%,
    rgba(15, 23, 42, 0.45) 100%
  );
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 3px 12px rgba(0, 0, 0, 0.16);
}

.neuroege-python-course-trainer .py-course-lesson-nav__btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.9rem;
  height: 1.9rem;
  border-radius: 8px;
  border: 1px solid rgba(56, 189, 248, 0.35);
  background: linear-gradient(
    180deg,
    rgba(56, 189, 248, 0.18) 0%,
    rgba(14, 116, 144, 0.12) 100%
  );
  color: #bae6fd;
  text-decoration: none;
  cursor: pointer;
  transition:
    transform 0.12s ease,
    border-color 0.15s ease,
    background 0.15s ease,
    box-shadow 0.15s ease,
    color 0.15s ease;
  box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
}

.neuroege-python-course-trainer a.py-course-lesson-nav__btn:hover {
  color: #e0f2fe;
  border-color: rgba(125, 211, 252, 0.62);
  background: linear-gradient(
    180deg,
    rgba(56, 189, 248, 0.32) 0%,
    rgba(2, 132, 199, 0.22) 100%
  );
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08) inset,
    0 0 14px rgba(56, 189, 248, 0.22);
  transform: translateY(-1px);
}

.neuroege-python-course-trainer a.py-course-lesson-nav__btn:active {
  transform: translateY(0);
}

.neuroege-python-course-trainer .py-course-lesson-nav__btn--disabled {
  opacity: 0.32;
  cursor: default;
  pointer-events: none;
  border-color: rgba(100, 116, 139, 0.25);
  background: rgba(15, 23, 42, 0.35);
  color: #64748b;
}

.neuroege-python-course-trainer .py-course-lesson-nav__icon {
  width: 1.05rem;
  height: 1.05rem;
  display: block;
  filter: drop-shadow(0 0 4px rgba(56, 189, 248, 0.25));
}

.neuroege-python-course-trainer .py-course-lesson-nav__counter {
  display: inline-flex;
  align-items: baseline;
  gap: 0.12rem;
  min-width: 2.4rem;
  justify-content: center;
  padding: 0 0.15rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: #94a3b8;
  user-select: none;
}

.neuroege-python-course-trainer .py-course-lesson-nav__counter-current {
  color: #7dd3fc;
  font-size: 0.78rem;
}

.neuroege-python-course-trainer .py-course-lesson-nav__counter-sep {
  opacity: 0.55;
}

.neuroege-python-course-trainer .py-course-lesson-nav + .py-course-audio-tools {
  margin-left: 0.35rem;
}

.neuroege-python-course-trainer .py-course-lesson-nav:only-of-type {
  margin-left: auto;
}

[data-theme="light"] .neuroege-python-course-trainer .py-course-lesson-nav {
  border-color: rgba(2, 132, 199, 0.22);
  background: linear-gradient(165deg, #f0f9ff 0%, #e0f2fe 100%);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.9) inset;
}

[data-theme="light"] .neuroege-python-course-trainer .py-course-lesson-nav__btn {
  color: #0369a1;
  border-color: rgba(2, 132, 199, 0.28);
  background: linear-gradient(180deg, #ffffff 0%, #e0f2fe 100%);
}

[data-theme="light"] .neuroege-python-course-trainer a.py-course-lesson-nav__btn:hover {
  color: #0c4a6e;
  border-color: rgba(2, 132, 199, 0.45);
  background: linear-gradient(180deg, #ffffff 0%, #bae6fd 100%);
}

[data-theme="light"] .neuroege-python-course-trainer .py-course-lesson-nav__counter-current {
  color: #0284c7;
}

.neuroege-python-course-trainer .py-course-trace-tools {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.neuroege-python-course-trainer .python-sandbox__action--neuroshka {
  color: #f0fdf4;
  border-color: rgba(52, 211, 153, 0.45);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.35) 0%, rgba(5, 150, 105, 0.28) 100%);
}

.neuroege-python-course-trainer .python-sandbox__action--neuroshka:hover:not(:disabled) {
  border-color: rgba(52, 211, 153, 0.65);
  background: linear-gradient(180deg, rgba(16, 185, 129, 0.5) 0%, rgba(5, 150, 105, 0.4) 100%);
}

.neuroege-python-course-trainer .neuroege-ai-chat__fab {
  display: none !important;
}

body.neuroege-python-course-trainer #neuroege-ai-chat.neuroege-ai-chat--floating {
  z-index: 10130;
  right: auto !important;
  bottom: auto !important;
  max-width: none !important;
}

body.neuroege-python-course-trainer
  #neuroege-ai-chat.neuroege-ai-chat--floating
  .neuroege-ai-chat__head--neuroshka {
  cursor: grab;
  touch-action: none;
}

body.neuroege-python-course-trainer
  #neuroege-ai-chat.neuroege-ai-chat--floating
  .neuroege-ai-chat__head--neuroshka.neuroege-ai-chat__head--dragging {
  cursor: grabbing;
}

.neuroege-python-course-trainer .py-course-audio-tools {
  --py-course-audio-accent: #10b981;
  --py-course-audio-accent-deep: #047857;
  --py-course-audio-question: #818cf8;
  --py-course-audio-question-deep: #4f46e5;
  --py-course-audio-answer: #34d399;
  --py-course-audio-answer-deep: #059669;
  --py-course-audio-border: rgba(148, 163, 184, 0.28);
  --py-course-audio-bg: linear-gradient(
    165deg,
    rgba(15, 23, 42, 0.72) 0%,
    rgba(30, 41, 59, 0.55) 100%
  );
  --py-course-audio-btn-text: #e2e8f0;
  --py-course-audio-muted: #94a3b8;

  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.2rem;
  padding: 0.2rem 0.35rem 0.2rem 0.55rem;
  border-radius: 10px;
  border: 1px solid var(--py-course-audio-border);
  background: var(--py-course-audio-bg);
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.06) inset,
    0 4px 14px rgba(0, 0, 0, 0.18);
  backdrop-filter: blur(8px);
}

.neuroege-python-course-trainer .py-course-audio-tools::before {
  content: "Озвучка";
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--py-course-audio-muted);
  padding-right: 0.15rem;
  user-select: none;
  white-space: nowrap;
}

.neuroege-python-course-trainer .py-course-audio-tools__sep {
  width: 1px;
  align-self: stretch;
  margin: 0.15rem 0.1rem;
  background: linear-gradient(
    180deg,
    transparent 0%,
    rgba(148, 163, 184, 0.35) 35%,
    rgba(148, 163, 184, 0.35) 65%,
    transparent 100%
  );
  flex-shrink: 0;
}

.neuroege-python-course-trainer .py-course-audio-tools + .py-course-trace-tools {
  margin-left: 0;
  padding-left: 0.35rem;
  border-left: 1px solid rgba(148, 163, 184, 0.22);
}

.neuroege-python-course-trainer .py-course-audio-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.32rem;
  min-width: 0;
  height: 1.85rem;
  margin: 0;
  padding: 0 0.55rem;
  border: 1px solid transparent;
  border-radius: 7px;
  background: transparent;
  color: var(--py-course-audio-btn-text);
  cursor: pointer;
  transition:
    background 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease,
    box-shadow 0.15s ease,
    transform 0.12s ease;
}

.neuroege-python-course-trainer .py-course-audio-btn .oge-kumir-chrome__icon {
  width: 0.95rem;
  height: 0.95rem;
  flex-shrink: 0;
}

.neuroege-python-course-trainer .py-course-audio-btn__label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  line-height: 1;
  white-space: nowrap;
}

.neuroege-python-course-trainer .py-course-audio-btn--question {
  border-color: color-mix(in srgb, var(--py-course-audio-question) 38%, transparent);
  background: color-mix(in srgb, var(--py-course-audio-question) 14%, transparent);
  color: #c7d2fe;
}

.neuroege-python-course-trainer .py-course-audio-btn--question:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--py-course-audio-question) 62%, transparent);
  background: color-mix(in srgb, var(--py-course-audio-question) 24%, transparent);
  color: #e0e7ff;
  box-shadow: 0 0 12px color-mix(in srgb, var(--py-course-audio-question) 28%, transparent);
}

.neuroege-python-course-trainer .py-course-audio-btn--answer {
  border-color: color-mix(in srgb, var(--py-course-audio-answer) 40%, transparent);
  background: color-mix(in srgb, var(--py-course-audio-answer) 14%, transparent);
  color: #a7f3d0;
}

.neuroege-python-course-trainer .py-course-audio-btn--answer:hover:not(:disabled) {
  border-color: color-mix(in srgb, var(--py-course-audio-answer) 62%, transparent);
  background: color-mix(in srgb, var(--py-course-audio-answer) 24%, transparent);
  color: #d1fae5;
  box-shadow: 0 0 12px color-mix(in srgb, var(--py-course-audio-answer) 28%, transparent);
}

.neuroege-python-course-trainer .py-course-audio-btn--playing {
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.08) inset,
    0 0 16px color-mix(in srgb, var(--py-course-audio-accent) 35%, transparent);
}

.neuroege-python-course-trainer .py-course-audio-btn--question.py-course-audio-btn--playing {
  border-color: color-mix(in srgb, var(--py-course-audio-question) 75%, transparent);
  background: color-mix(in srgb, var(--py-course-audio-question) 32%, transparent);
}

.neuroege-python-course-trainer .py-course-audio-btn--answer.py-course-audio-btn--playing {
  border-color: color-mix(in srgb, var(--py-course-audio-answer) 75%, transparent);
  background: color-mix(in srgb, var(--py-course-audio-answer) 32%, transparent);
}

.neuroege-python-course-trainer .py-course-audio-btn--toggle {
  width: 1.85rem;
  min-width: 1.85rem;
  padding: 0;
  color: rgba(148, 163, 184, 0.92);
}

.neuroege-python-course-trainer .py-course-audio-btn--toggle.oge-step-audio-toggle--on {
  color: #6ee7b7;
  background: linear-gradient(
    180deg,
    rgba(5, 184, 125, 0.22) 0%,
    rgba(5, 184, 125, 0.08) 100%
  );
  border-color: rgba(110, 231, 183, 0.38);
  box-shadow:
    inset 0 0 0 1px rgba(110, 231, 183, 0.22),
    0 0 10px rgba(45, 212, 191, 0.12);
}

.neuroege-python-course-trainer .py-course-audio-btn--toggle.oge-step-audio-toggle--off {
  color: #94a3b8;
  background: rgba(15, 23, 42, 0.35);
  border-color: rgba(100, 116, 139, 0.35);
}

.neuroege-python-course-trainer .py-course-audio-btn--toggle:hover:not(:disabled) {
  border-color: rgba(148, 163, 184, 0.45);
  background: rgba(255, 255, 255, 0.06);
}

.neuroege-python-course-trainer .py-course-audio-tools .oge-kumir-chrome__btn--stop {
  width: 1.85rem;
  min-width: 1.85rem;
  height: 1.85rem;
  padding: 0;
  opacity: 0.42;
  border-radius: 7px;
}

.neuroege-python-course-trainer .py-course-audio-tools .oge-kumir-chrome__btn--stop:not(:disabled) {
  opacity: 1;
  color: #fff;
  background: linear-gradient(180deg, #ef4444 0%, #dc2626 55%, #b91c1c 100%);
  border-color: #991b1b;
  box-shadow:
    inset 0 1px 0 rgba(255, 255, 255, 0.22),
    0 2px 10px rgba(220, 38, 38, 0.35);
}

.neuroege-python-course-trainer .py-course-audio-tools .oge-kumir-chrome__btn--stop:not(:disabled):hover {
  background: linear-gradient(180deg, #f87171 0%, #ef4444 55%, #dc2626 100%);
  border-color: #b91c1c;
}

.neuroege-python-course-trainer .py-course-audio-tools .oge-step-audio-toggle__icon {
  width: 1rem;
  height: 1rem;
}

.neuroege-python-course-trainer .py-course-audio-tools .oge-step-audio-toggle__svg {
  width: 1rem;
  height: 1rem;
}

.neuroege-python-course-trainer .py-course-audio-btn--toggle.oge-step-audio-toggle--on .oge-step-audio-toggle__svg--off,
.neuroege-python-course-trainer .py-course-audio-btn--toggle.oge-step-audio-toggle--off .oge-step-audio-toggle__svg--on {
  display: none;
}

.neuroege-python-course-trainer .py-course-audio-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.neuroege-python-course-trainer .python-step-narration {
  margin: 0.35rem 0.75rem 0.5rem;
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid rgba(52, 211, 153, 0.28);
  background: linear-gradient(
    135deg,
    rgba(6, 78, 59, 0.35) 0%,
    rgba(15, 23, 42, 0.55) 100%
  );
  padding: 0.55rem 0.75rem;
  font-size: 0.82rem;
  line-height: 1.45;
  color: #d1fae5;
}

.neuroege-python-course-trainer .python-step-narration strong {
  color: #6ee7b7;
}

[data-theme="light"] .neuroege-python-course-trainer .py-course-audio-tools {
  --py-course-audio-border: rgba(37, 99, 235, 0.22);
  --py-course-audio-bg: linear-gradient(
    165deg,
    rgba(248, 250, 252, 0.95) 0%,
    rgba(241, 245, 249, 0.88) 100%
  );
  --py-course-audio-btn-text: #334155;
  --py-course-audio-muted: #64748b;
  box-shadow:
    0 1px 0 rgba(255, 255, 255, 0.9) inset,
    0 2px 8px rgba(15, 23, 42, 0.06);
}

[data-theme="light"] .neuroege-python-course-trainer .py-course-audio-btn--question {
  color: #4338ca;
  border-color: rgba(99, 102, 241, 0.35);
  background: rgba(238, 242, 255, 0.9);
}

[data-theme="light"] .neuroege-python-course-trainer .py-course-audio-btn--answer {
  color: #047857;
  border-color: rgba(16, 185, 129, 0.35);
  background: rgba(236, 253, 245, 0.92);
}

[data-theme="light"] .neuroege-python-course-trainer .py-course-audio-tools + .py-course-trace-tools {
  border-left-color: rgba(148, 163, 184, 0.35);
}

[data-theme="light"] .neuroege-python-course-trainer .python-step-narration {
  border-color: rgba(16, 185, 129, 0.35);
  background: linear-gradient(135deg, #ecfdf5 0%, #f8fafc 100%);
  color: #065f46;
}

[data-theme="light"] .neuroege-python-course-trainer .python-step-narration strong {
  color: #047857;
}

@media (max-width: 900px) {
  .neuroege-python-course-trainer .py-course-audio-tools::before {
    display: none;
  }

  .neuroege-python-course-trainer .py-course-audio-btn__label {
    display: none;
  }

  .neuroege-python-course-trainer .py-course-audio-btn--question,
  .neuroege-python-course-trainer .py-course-audio-btn--answer {
    width: 1.85rem;
    min-width: 1.85rem;
    padding: 0;
  }
}

@media (max-width: 560px) {
  .neuroege-python-course-trainer .py-course-audio-tools {
    padding: 0.15rem 0.25rem;
    gap: 0.12rem;
  }
}

.neuroege-python-course-trainer .libreoffice-hf-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border-radius: 8px;
  border: 1px solid rgba(96, 165, 250, 0.45);
  background:
    radial-gradient(120% 80% at 50% 0%, rgba(255, 255, 255, 0.1) 0%, transparent 55%),
    linear-gradient(165deg, rgba(37, 99, 235, 0.28) 0%, rgba(30, 58, 138, 0.18) 100%);
  color: #93c5fd;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.neuroege-python-course-trainer .libreoffice-hf-action-btn:hover:not(:disabled) {
  border-color: rgba(96, 165, 250, 0.65);
  background: linear-gradient(165deg, rgba(37, 99, 235, 0.44) 0%, rgba(29, 78, 216, 0.28) 100%);
  color: #bfdbfe;
}

.neuroege-python-course-trainer .libreoffice-hf-action-btn:disabled {
  opacity: 0.55;
  cursor: wait;
}

.neuroege-python-course-trainer .python-sandbox__output-stack--trace {
  min-height: 0;
}

.neuroege-python-course-trainer .python-trace-panel {
  border-radius: 0 0 10px 10px;
}

[data-theme="light"] .neuroege-python-course-trainer .libreoffice-hf-action-btn {
  border-color: rgba(37, 99, 235, 0.35);
  color: #1d4ed8;
  background: linear-gradient(165deg, rgba(219, 234, 254, 0.9) 0%, rgba(191, 219, 254, 0.65) 100%);
}