/* Premium compact dropdown авторов для calc-разборов (task 3 / 18). */

.task8-python-solutions-switcher-mount:not([hidden]) {
  display: inline-flex;
  align-items: stretch;
  position: relative;
}

.calc-solutions-dropdown {
  position: relative;
  display: inline-flex;
  align-items: stretch;
  flex-shrink: 0;
}

/* Кнопка «Решения» — в духе «Покажи как», понятная школьникам. */
.calc-solutions-dropdown__trigger.calc-solutions-start-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.65rem;
  padding: 0.35rem 0.85rem 0.35rem 0.45rem !important;
  border-radius: 999px;
  border: 2px solid color-mix(in srgb, #8b5cf6 42%, #38bdf8 58%);
  background: linear-gradient(
    135deg,
    #f5f3ff 0%,
    #e0f2fe 48%,
    #c7d2fe 100%
  );
  color: #5b21b6;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow:
    0 3px 0 color-mix(in srgb, #5b21b6 32%, #0369a1 68%),
    0 6px 18px color-mix(in srgb, #8b5cf6 32%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.7) inset;
  overflow: visible;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  animation: calc-solutions-start-glow 2.8s ease-in-out infinite;
}

.calc-solutions-start-btn__icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: linear-gradient(145deg, #ffffff 0%, #ede9fe 100%);
  border: 1.5px solid color-mix(in srgb, #a78bfa 55%, #38bdf8 45%);
  box-shadow:
    0 2px 0 color-mix(in srgb, #7c3aed 22%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  flex-shrink: 0;
  animation: calc-solutions-start-icon-bob 2.2s ease-in-out infinite;
}

.calc-solutions-start-btn__icon {
  font-size: 1.05rem;
  line-height: 1;
  margin: 0 !important;
}

.calc-solutions-start-btn__text-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.05rem;
  line-height: 1.15;
  text-align: left;
  min-width: 0;
}

.calc-solutions-start-btn__label {
  font-size: 0.92rem !important;
  font-weight: 800 !important;
  color: #4c1d95;
  white-space: nowrap;
}

.calc-solutions-start-btn__hint {
  font-size: 0.68rem;
  font-weight: 600;
  color: color-mix(in srgb, #6d28d9 68%, #64748b 32%);
  letter-spacing: 0.02em;
  text-transform: lowercase;
  white-space: nowrap;
}

.calc-solutions-dropdown__chevron {
  width: 0.7rem;
  height: 0.7rem;
  flex-shrink: 0;
  opacity: 0.78;
  color: #5b21b6;
  transition: transform 0.18s ease, opacity 0.15s ease;
  margin-inline-start: 0.05rem;
}

.calc-solutions-dropdown--menu-open .calc-solutions-dropdown__chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.calc-solutions-dropdown__trigger.calc-solutions-start-btn:hover:not(:disabled) {
  transform: translateY(-1px) scale(1.02);
  border-color: color-mix(in srgb, #8b5cf6 55%, #0ea5e9 45%);
  box-shadow:
    0 4px 0 color-mix(in srgb, #5b21b6 32%, #0369a1 68%),
    0 10px 24px color-mix(in srgb, #8b5cf6 42%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

.calc-solutions-dropdown__trigger.calc-solutions-start-btn:active:not(:disabled) {
  transform: translateY(1px) scale(0.99);
  box-shadow:
    0 1px 0 color-mix(in srgb, #5b21b6 32%, #0369a1 68%),
    0 4px 12px color-mix(in srgb, #8b5cf6 28%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.55) inset;
}

.calc-solutions-dropdown__trigger.calc-solutions-start-btn:focus-visible {
  outline: 2px solid #8b5cf6;
  outline-offset: 2px;
}

.calc-solutions-dropdown--open .calc-solutions-dropdown__trigger.calc-solutions-start-btn {
  border-color: color-mix(in srgb, #7c3aed 55%, #64748b 45%);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, #f5f3ff 80%, #ddd6fe 20%) 0%,
    color-mix(in srgb, #e0e7ff 70%, #a5b4fc 30%) 100%
  );
  animation: none;
  box-shadow:
    0 3px 0 color-mix(in srgb, #5b21b6 32%, #0369a1 68%),
    0 0 0 3px color-mix(in srgb, #8b5cf6 18%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.65) inset;
}

.calc-solutions-dropdown--open .calc-solutions-start-btn__icon-wrap {
  animation: none;
  background: linear-gradient(145deg, #f5f3ff 0%, #c4b5fd 100%);
  border-color: #6d28d9;
}

@keyframes calc-solutions-start-icon-bob {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  35% {
    transform: translateY(-2px) rotate(-5deg);
  }
  70% {
    transform: translateY(0) rotate(4deg);
  }
}

@keyframes calc-solutions-start-glow {
  0%,
  100% {
    box-shadow:
      0 3px 0 color-mix(in srgb, #5b21b6 32%, #0369a1 68%),
      0 6px 18px color-mix(in srgb, #8b5cf6 28%, transparent),
      0 1px 0 rgba(255, 255, 255, 0.7) inset;
  }
  50% {
    box-shadow:
      0 3px 0 color-mix(in srgb, #5b21b6 32%, #0369a1 68%),
      0 8px 22px color-mix(in srgb, #38bdf8 20%, #8b5cf6 40%),
      0 0 0 3px color-mix(in srgb, #8b5cf6 16%, transparent),
      0 1px 0 rgba(255, 255, 255, 0.7) inset;
  }
}

@media (prefers-reduced-motion: reduce) {
  .calc-solutions-dropdown__trigger.calc-solutions-start-btn,
  .calc-solutions-start-btn__icon-wrap {
    animation: none;
  }
}

html[data-palette="pink"] .calc-solutions-dropdown__trigger.calc-solutions-start-btn {
  border-color: color-mix(in srgb, #ec4899 45%, #a78bfa 55%);
  background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 45%, #ede9fe 100%);
  color: #9d174d;
  box-shadow:
    0 3px 0 color-mix(in srgb, #9d174d 30%, #7c3aed 70%),
    0 6px 18px color-mix(in srgb, #ec4899 28%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.7) inset;
}

html[data-palette="pink"] .calc-solutions-start-btn__label {
  color: #9d174d;
}

html[data-palette="pink"] .calc-solutions-start-btn__hint,
html[data-palette="pink"] .calc-solutions-dropdown__chevron {
  color: color-mix(in srgb, #be185d 70%, #64748b 30%);
}

html[data-palette="pink"] .calc-solutions-dropdown--open .calc-solutions-dropdown__trigger.calc-solutions-start-btn {
  box-shadow:
    0 3px 0 color-mix(in srgb, #9d174d 30%, #7c3aed 70%),
    0 0 0 3px color-mix(in srgb, #ec4899 18%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.65) inset;
}

/* Кнопка «Видео» — тот же премиальный паттерн (как «Решения» / «Покажи как»). */
.video-start-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  min-height: 2.65rem;
  padding: 0.35rem 0.85rem 0.35rem 0.45rem !important;
  border-radius: 999px;
  border: 2px solid color-mix(in srgb, #f43f5e 45%, #fb923c 55%);
  background: linear-gradient(
    135deg,
    #fff1f2 0%,
    #ffedd5 48%,
    #fecdd3 100%
  );
  color: #9f1239;
  font-weight: 700;
  letter-spacing: 0.01em;
  box-shadow:
    0 3px 0 color-mix(in srgb, #9f1239 35%, #c2410c 65%),
    0 6px 18px color-mix(in srgb, #f43f5e 30%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.7) inset;
  overflow: visible;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
  animation: video-start-glow 2.8s ease-in-out infinite;
}

.video-start-btn__icon-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  background: linear-gradient(145deg, #ffffff 0%, #ffe4e6 100%);
  border: 1.5px solid color-mix(in srgb, #fb7185 55%, #fb923c 45%);
  box-shadow:
    0 2px 0 color-mix(in srgb, #e11d48 22%, transparent),
    inset 0 1px 0 rgba(255, 255, 255, 0.9);
  flex-shrink: 0;
  animation: video-start-icon-bob 2.2s ease-in-out infinite;
  overflow: hidden;
}

.video-start-btn__img,
.video-start-btn .video-start-btn__img,
.video-start-btn .python-sandbox__action-icon,
.video-start-btn .libreoffice-hf-action-btn__img {
  width: 1.15rem !important;
  height: 1.15rem !important;
  border-radius: 999px;
  object-fit: cover;
  margin: 0 !important;
}

.video-start-btn__text-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.05rem;
  line-height: 1.15;
  text-align: left;
  min-width: 0;
}

.video-start-btn__label {
  font-size: 0.92rem !important;
  font-weight: 800 !important;
  color: #9f1239;
  white-space: nowrap;
}

.video-start-btn__hint {
  font-size: 0.68rem;
  font-weight: 600;
  color: color-mix(in srgb, #be123c 70%, #64748b 30%);
  letter-spacing: 0.02em;
  text-transform: lowercase;
  white-space: nowrap;
}

.video-start-btn .calc-solutions-dropdown__chevron {
  width: 0.7rem;
  height: 0.7rem;
  flex-shrink: 0;
  opacity: 0.78;
  color: #9f1239;
  transition: transform 0.18s ease, opacity 0.15s ease;
}

.calc-solutions-dropdown--menu-open .video-start-btn .calc-solutions-dropdown__chevron {
  transform: rotate(180deg);
  opacity: 1;
}

.video-start-btn:hover:not(:disabled) {
  transform: translateY(-1px) scale(1.02);
  border-color: color-mix(in srgb, #f43f5e 55%, #f97316 45%);
  box-shadow:
    0 4px 0 color-mix(in srgb, #9f1239 35%, #c2410c 65%),
    0 10px 24px color-mix(in srgb, #f43f5e 40%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.8) inset;
}

.video-start-btn:active:not(:disabled) {
  transform: translateY(1px) scale(0.99);
  box-shadow:
    0 1px 0 color-mix(in srgb, #9f1239 35%, #c2410c 65%),
    0 4px 12px color-mix(in srgb, #f43f5e 28%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.55) inset;
}

.video-start-btn:focus-visible {
  outline: 2px solid #f43f5e;
  outline-offset: 2px;
}

.video-start-btn.is-active,
.calc-solutions-dropdown--open .video-start-btn {
  border-color: color-mix(in srgb, #e11d48 55%, #64748b 45%);
  background: linear-gradient(
    135deg,
    color-mix(in srgb, #fff1f2 80%, #fecdd3 20%) 0%,
    color-mix(in srgb, #ffe4e6 70%, #fda4af 30%) 100%
  );
  animation: none;
  box-shadow:
    0 3px 0 color-mix(in srgb, #9f1239 35%, #c2410c 65%),
    0 0 0 3px color-mix(in srgb, #f43f5e 16%, transparent),
    0 1px 0 rgba(255, 255, 255, 0.65) inset;
}

.video-start-btn.is-active .video-start-btn__icon-wrap,
.calc-solutions-dropdown--open .video-start-btn .video-start-btn__icon-wrap {
  animation: none;
  background: linear-gradient(145deg, #fff1f2 0%, #fda4af 100%);
  border-color: #e11d48;
}

@keyframes video-start-icon-bob {
  0%,
  100% {
    transform: translateY(0) scale(1);
  }
  40% {
    transform: translateY(-2px) scale(1.05);
  }
  70% {
    transform: translateY(0) scale(1);
  }
}

@keyframes video-start-glow {
  0%,
  100% {
    box-shadow:
      0 3px 0 color-mix(in srgb, #9f1239 35%, #c2410c 65%),
      0 6px 18px color-mix(in srgb, #f43f5e 26%, transparent),
      0 1px 0 rgba(255, 255, 255, 0.7) inset;
  }
  50% {
    box-shadow:
      0 3px 0 color-mix(in srgb, #9f1239 35%, #c2410c 65%),
      0 8px 22px color-mix(in srgb, #fb923c 20%, #f43f5e 38%),
      0 0 0 3px color-mix(in srgb, #f43f5e 14%, transparent),
      0 1px 0 rgba(255, 255, 255, 0.7) inset;
  }
}

@media (prefers-reduced-motion: reduce) {
  .video-start-btn,
  .video-start-btn__icon-wrap {
    animation: none;
  }
}

html[data-palette="pink"] .video-start-btn {
  border-color: color-mix(in srgb, #ec4899 50%, #f43f5e 50%);
  background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 50%, #ffe4e6 100%);
  color: #9d174d;
}

html[data-palette="pink"] .video-start-btn__label,
html[data-palette="pink"] .video-start-btn .calc-solutions-dropdown__chevron {
  color: #9d174d;
}

html[data-palette="pink"] .video-start-btn__hint {
  color: color-mix(in srgb, #be185d 70%, #64748b 30%);
}

.calc-solutions-dropdown__menu {
  position: absolute;
  bottom: calc(100% + 0.28rem);
  top: auto;
  left: 0;
  z-index: 40;
  min-width: 11.25rem;
  max-width: min(16.5rem, 82vw);
  padding: 0.22rem;
  border-radius: 0.7rem;
  border: 1px solid rgba(148, 163, 184, 0.28);
  background:
    linear-gradient(165deg, rgba(30, 41, 59, 0.97), rgba(15, 23, 42, 0.98));
  backdrop-filter: blur(14px) saturate(1.15);
  -webkit-backdrop-filter: blur(14px) saturate(1.15);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.04) inset,
    0 12px 28px rgba(2, 6, 23, 0.42);
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
}

.calc-solutions-dropdown__menu--floating {
  position: fixed;
  z-index: 12000;
  margin: 0;
}

.calc-solutions-dropdown__menu[hidden] {
  display: none !important;
}

.calc-solutions-dropdown__item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  column-gap: 0.45rem;
  width: 100%;
  margin: 0;
  padding: 0.34rem 0.4rem 0.34rem 0.34rem;
  border: none;
  border-radius: 0.48rem;
  background: transparent;
  color: rgba(226, 232, 240, 0.96);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 0.12s ease, color 0.12s ease;
}

.calc-solutions-dropdown__item--with-icon {
  grid-template-columns: auto auto 1fr auto;
}

.calc-solutions-dropdown__item-icon {
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 999px;
  object-fit: cover;
  flex-shrink: 0;
}

.calc-solutions-dropdown__item-icon--palette-pink {
  display: none;
}

html[data-palette="pink"] .calc-solutions-dropdown__item-icon--palette-default {
  display: none;
}

html[data-palette="pink"] .calc-solutions-dropdown__item-icon--palette-pink {
  display: block;
}

.calc-solutions-dropdown__item:hover,
.calc-solutions-dropdown__item:focus-visible {
  background: rgba(51, 65, 85, 0.72);
  outline: none;
}

.calc-solutions-dropdown__item-idx {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.15rem;
  height: 1.15rem;
  border-radius: 0.32rem;
  background: rgba(148, 163, 184, 0.16);
  color: rgba(203, 213, 225, 0.95);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1;
}

.calc-solutions-dropdown__item-body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.02rem;
  min-width: 0;
}

.calc-solutions-dropdown__item-primary {
  font-size: 0.75rem;
  font-weight: 650;
  line-height: 1.2;
  letter-spacing: 0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 11rem;
}

.calc-solutions-dropdown__item-secondary {
  font-size: 0.625rem;
  font-weight: 500;
  line-height: 1.15;
  color: rgba(148, 163, 184, 0.92);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 11rem;
}

.calc-solutions-dropdown__item-check {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 999px;
  background: transparent;
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.35);
  flex-shrink: 0;
}

.calc-solutions-dropdown__item--active {
  background: rgba(16, 185, 129, 0.16);
  color: #ecfdf5;
}

.calc-solutions-dropdown__item--active .calc-solutions-dropdown__item-idx {
  background: rgba(16, 185, 129, 0.28);
  color: #a7f3d0;
}

.calc-solutions-dropdown__item--active .calc-solutions-dropdown__item-secondary {
  color: rgba(167, 243, 208, 0.85);
}

.calc-solutions-dropdown__item--active .calc-solutions-dropdown__item-check {
  background: #34d399;
  box-shadow: none;
}

.calc-solutions-dropdown__item--hide {
  display: flex;
  justify-content: center;
  margin-top: 0.08rem;
  padding: 0.32rem 0.45rem;
  border-top: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 0 0 0.45rem 0.45rem;
  color: rgba(252, 165, 165, 0.9);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.calc-solutions-dropdown__item--hide:hover,
.calc-solutions-dropdown__item--hide:focus-visible {
  background: rgba(127, 29, 29, 0.32);
}

[data-theme="light"] .calc-solutions-dropdown__menu {
  background:
    linear-gradient(165deg, rgba(255, 255, 255, 0.98), rgba(248, 250, 252, 0.98));
  border-color: rgba(148, 163, 184, 0.38);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.8) inset,
    0 14px 30px rgba(15, 23, 42, 0.12);
}

[data-theme="light"] .calc-solutions-dropdown__item {
  color: #0f172a;
}

[data-theme="light"] .calc-solutions-dropdown__item:hover,
[data-theme="light"] .calc-solutions-dropdown__item:focus-visible {
  background: rgba(241, 245, 249, 0.95);
}

[data-theme="light"] .calc-solutions-dropdown__item-idx {
  background: rgba(148, 163, 184, 0.18);
  color: #475569;
}

[data-theme="light"] .calc-solutions-dropdown__item-secondary {
  color: #64748b;
}

[data-theme="light"] .calc-solutions-dropdown__item-check {
  box-shadow: inset 0 0 0 1px rgba(148, 163, 184, 0.5);
}

[data-theme="light"] .calc-solutions-dropdown__item--active {
  background: rgba(16, 185, 129, 0.12);
  color: #065f46;
}

[data-theme="light"] .calc-solutions-dropdown__item--active .calc-solutions-dropdown__item-idx {
  background: rgba(16, 185, 129, 0.18);
  color: #047857;
}

[data-theme="light"] .calc-solutions-dropdown__item--active .calc-solutions-dropdown__item-check {
  background: #10b981;
}

[data-theme="light"] .calc-solutions-dropdown__item--hide {
  border-top-color: rgba(148, 163, 184, 0.28);
  color: #b91c1c;
}

[data-theme="light"] .calc-solutions-dropdown__item--hide:hover,
[data-theme="light"] .calc-solutions-dropdown__item--hide:focus-visible {
  background: rgba(254, 226, 226, 0.85);
}

html[data-palette="pink"] .calc-solutions-dropdown__item--active {
  background: rgba(236, 72, 153, 0.16);
  color: #fdf2f8;
}

html[data-palette="pink"] .calc-solutions-dropdown__item--active .calc-solutions-dropdown__item-idx {
  background: rgba(236, 72, 153, 0.28);
  color: #fbcfe8;
}

html[data-palette="pink"] .calc-solutions-dropdown__item--active .calc-solutions-dropdown__item-check {
  background: #f472b6;
}

html[data-palette="pink"][data-theme="light"] .calc-solutions-dropdown__item--active {
  background: rgba(236, 72, 153, 0.1);
  color: #9d174d;
}