:root {
  --bg: #18162d;
  --panel: linear-gradient(180deg, rgba(38, 39, 62, 0.96), rgba(34, 34, 53, 0.95));
  --panel-border: rgba(255, 255, 255, 0.10);
  --text: #f2f4ff;
  --muted: #b9bfd7;
  --accent: #12d3ff;
  --accent-strong: #7f73ff;
  --accent-soft: rgba(126, 220, 255, 0.18);
  --shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  font-family: "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top center, rgba(108, 92, 231, 0.18), transparent 30%),
    linear-gradient(180deg, #18162d 0%, #17172a 48%, #131625 100%);
}

body {
  min-height: 100vh;
}

html {
  scrollbar-color: rgba(127, 115, 255, 0.85) rgba(255, 255, 255, 0.08);
}

* {
  scrollbar-width: thin;
  scrollbar-color: rgba(127, 115, 255, 0.85) rgba(255, 255, 255, 0.08);
}

*::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

*::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 999px;
}

*::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, #8d7cff, #18d0ff);
  border-radius: 999px;
  border: 2px solid rgba(24, 22, 45, 0.85);
}

*::-webkit-scrollbar-thumb:hover {
  background: linear-gradient(180deg, #a59aff, #36dbff);
}

a {
  color: inherit;
}

.project-theme {
  background:
    radial-gradient(circle at top center, rgba(108, 92, 231, 0.18), transparent 30%),
    linear-gradient(180deg, #18162d 0%, #17172a 48%, #131625 100%);
}

.home-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.home-card,
.sidebar,
.stage-shell {
  border: 1px solid var(--panel-border);
  background: var(--panel);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.home-card {
  width: min(900px, 100%);
  border-radius: 32px;
  padding: 42px;
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.78rem;
  font-weight: 700;
}

h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 4vw, 3.6rem);
  line-height: 0.98;
  color: var(--accent-strong);
}

.lede {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.home-links {
  margin-top: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 13px 20px;
  background: linear-gradient(135deg, rgba(18, 211, 255, 0.18), rgba(127, 115, 255, 0.22));
  border: 1px solid rgba(255, 255, 255, 0.10);
  text-decoration: none;
  font-weight: 700;
  color: #eef7ff;
}

.nav-link.secondary {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--panel-border);
}

.task-shell {
  min-height: 100vh;
  padding: 18px;
  display: grid;
  grid-template-columns: minmax(300px, 380px) minmax(0, 1fr);
  gap: 18px;
}

.sidebar {
  border-radius: 28px;
  padding: 24px;
  overflow: auto;
}

.back-link {
  display: inline-block;
  margin-bottom: 18px;
  color: var(--muted);
  text-decoration: none;
}

.panel {
  margin-top: 18px;
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.label {
  margin: 0 0 10px;
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  font-weight: 700;
}

.slider {
  width: 100%;
  accent-color: var(--accent-strong);
}

.range-row,
.button-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.range-row {
  margin-top: 10px;
  color: var(--muted);
  font-size: 0.92rem;
}

.toggle,
.action-button {
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #19cfff, #a017ff);
  color: #fff;
  padding: 11px 14px;
  font-weight: 700;
  cursor: pointer;
}

.action-button {
  flex: 1 1 0;
}

.note-copy,
.status-line {
  margin: 0;
  line-height: 1.5;
  color: var(--muted);
}

.readout-canvas {
  width: 100%;
  height: auto;
  display: block;
  margin-top: 12px;
  border-radius: 16px;
  background: linear-gradient(180deg, rgba(31, 35, 56, 0.95), rgba(23, 26, 42, 0.96));
}

.stage-shell {
  border-radius: 34px;
  padding: 14px;
  min-height: 0;
  height: calc(100vh - 36px);
}

.scene-frame {
  width: 100%;
  height: 100%;
  min-height: 0;
  border-radius: 24px;
  background:
    radial-gradient(circle at top, rgba(67, 73, 102, 0.92), rgba(50, 53, 83, 0.94)),
    linear-gradient(180deg, rgba(44, 46, 70, 0.96), rgba(28, 31, 49, 0.98));
  overflow: hidden;
  position: relative;
}

.canvas-stack {
  width: 100%;
  height: 100%;
  min-height: 560px;
  display: grid;
}

.task-canvas {
  width: 100%;
  height: 100%;
  min-height: 560px;
  border-radius: 24px;
  background:
    radial-gradient(circle at top, rgba(67, 73, 102, 0.92), rgba(50, 53, 83, 0.94)),
    linear-gradient(180deg, rgba(44, 46, 70, 0.96), rgba(28, 31, 49, 0.98));
  display: block;
}

.hidden-stage {
  display: none;
}

.plot-frame {
  min-height: 0;
  display: block;
  border: 0;
}

@media (min-width: 981px) {
  .task-shell {
    height: 100vh;
    overflow: hidden;
  }
}

@media (max-width: 980px) {
  .task-shell {
    grid-template-columns: 1fr;
  }

  .stage-shell {
    min-height: 60vh;
    height: auto;
  }

  .scene-frame {
    min-height: 420px;
  }

  .task-canvas,
  .canvas-stack {
    min-height: 420px;
  }
}

.task3-theme {
  background:
    radial-gradient(circle at top center, rgba(108, 92, 231, 0.18), transparent 30%),
    linear-gradient(180deg, #18162d 0%, #17172a 48%, #131625 100%);
  color: #f2f4ff;
}

.task3-shell {
  min-height: 100vh;
  height: 100vh;
  padding: 14px 18px 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  overflow: hidden;
}

.task3-hero {
  text-align: center;
  padding: 6px 12px 0;
}

.task3-kicker {
  margin: 0;
  color: #7edcff;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

.task3-title {
  margin: 8px 0 10px;
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 0.98;
  color: #7f73ff;
}

.task3-subtitle {
  margin: 0 auto;
  max-width: 980px;
  color: #b9bfd7;
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.45;
}

.task3-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
}

.task3-sidebar {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.task3-back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: #aeb7d6;
  text-decoration: none;
}

.task3-card {
  margin-top: 14px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(38, 39, 62, 0.96), rgba(34, 34, 53, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.28);
}

.task3-card-title {
  margin: 0 0 18px;
  color: #12d3ff;
  font-size: 1.05rem;
}

.task3-copy {
  margin: 0 0 14px;
  color: #d1d4e4;
  line-height: 1.58;
}

.task3-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #c7cada;
}

.task3-stat-row:last-child {
  border-bottom: 0;
}

.task3-stat-row strong {
  color: #ffffff;
}

.task3-bullet {
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 10px;
  border-radius: 999px;
  vertical-align: middle;
}

.task3-bullet-surface {
  background: linear-gradient(135deg, #4f95cf, #fff4d6);
}

.task3-bullet-bulk {
  background: #bde9ff;
}

.task3-bullet-edge {
  background: #ff8d65;
}

.task3-stage {
  min-height: 0;
}

.task3-plot-shell {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(44, 44, 67, 0.95), rgba(31, 33, 52, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

.task3-plot-frame {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  border: 0;
  border-radius: 22px;
  overflow: hidden;
  background: #07111a;
}

.task2-theme {
  background:
    radial-gradient(circle at top center, rgba(33, 198, 255, 0.16), transparent 28%),
    linear-gradient(180deg, #14182d 0%, #171a31 48%, #121522 100%);
}

.task2-shell {
  min-height: 100vh;
  height: 100vh;
  padding: 14px 18px 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  overflow: hidden;
}

.task2-hero {
  text-align: center;
  padding: 6px 12px 0;
}

.task2-kicker {
  margin: 0;
  color: #24d6ff;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

.task2-title {
  margin: 8px 0 10px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 0.98;
  color: #7fd6ff;
}

.task2-subtitle {
  margin: 0 auto;
  max-width: 980px;
  color: #b8c3dd;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.45;
}

.task2-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
}

.task2-sidebar {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.task2-back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: #aeb7d6;
  text-decoration: none;
}

.task2-card {
  margin-top: 14px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(40, 42, 68, 0.96), rgba(33, 35, 56, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.28);
}

.task2-label {
  color: #24d6ff;
}

.task2-slider {
  accent-color: #7c72ff;
}

.task2-toggle,
.task2-button {
  background: linear-gradient(135deg, #22c8ff, #7f3cff);
}

.task2-readout {
  background: linear-gradient(180deg, rgba(25, 31, 53, 0.98), rgba(20, 24, 42, 0.98));
}

.task2-stage {
  min-height: 0;
}

.task2-scene-shell {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(44, 48, 76, 0.95), rgba(30, 34, 54, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

.task2-scene-frame {
  background:
    radial-gradient(circle at top, rgba(72, 78, 111, 0.92), rgba(50, 55, 88, 0.94)),
    linear-gradient(180deg, rgba(47, 52, 82, 0.96), rgba(32, 36, 58, 0.98));
  position: relative;
}

.task2-scene-frame > canvas {
  display: block;
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.task2-scene-overlay {
  pointer-events: none;
  z-index: 2;
}

.task4-theme {
  background:
    radial-gradient(circle at top center, rgba(22, 215, 255, 0.14), transparent 26%),
    linear-gradient(180deg, #12172c 0%, #15192d 48%, #111320 100%);
  color: #f2f4ff;
}

.task4-shell {
  min-height: 100vh;
  height: 100vh;
  padding: 14px 18px 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  overflow: hidden;
}

.task4-hero {
  text-align: center;
  padding: 6px 12px 0;
}

.task4-kicker {
  margin: 0;
  color: #25dbff;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

.task4-title {
  margin: 8px 0 10px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 0.98;
  color: #8ad3ff;
}

.task4-subtitle {
  margin: 0 auto;
  max-width: 980px;
  color: #bcc7df;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.45;
}

.task4-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
}

.task4-sidebar {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.task4-back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: #aeb7d6;
  text-decoration: none;
}

.task4-card {
  margin-top: 14px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(37, 41, 66, 0.96), rgba(31, 35, 56, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.28);
}

.task4-card-title {
  margin: 0 0 18px;
  color: #1edaff;
  font-size: 1.05rem;
}

.task4-copy {
  margin: 0;
  color: #d0d6e6;
  line-height: 1.58;
}

.task4-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #c7cada;
}

.task4-stat-row:last-child {
  border-bottom: 0;
}

.task4-stat-row strong {
  color: #ffffff;
}

.task4-readout-grid {
  display: grid;
  gap: 12px;
}

.task4-readout-tile {
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(21, 28, 47, 0.96), rgba(17, 21, 37, 0.98));
  border: 1px solid rgba(117, 130, 255, 0.14);
}

.task4-readout-label {
  display: block;
  margin-bottom: 8px;
  color: #91d9ff;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.task4-readout-tile strong {
  color: #f5fbff;
  line-height: 1.45;
}

.task4-button {
  background: linear-gradient(135deg, #23cbff, #7850ff);
}

.task4-stage {
  min-height: 0;
}

.task4-plot-shell {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(41, 47, 74, 0.95), rgba(27, 33, 52, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

.task4-plot-frame {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  border: 0;
  border-radius: 22px;
  overflow: hidden;
  background: #07111a;
}

.task4-error {
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: #f4fbff;
  background: #07111a;
}

.task5-theme {
  background:
    radial-gradient(circle at top center, rgba(255, 166, 111, 0.10), transparent 24%),
    linear-gradient(180deg, #12162a 0%, #15182d 48%, #101320 100%);
  color: #f2f4ff;
}

.task5-shell {
  min-height: 100vh;
  height: 100vh;
  padding: 14px 18px 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  overflow: hidden;
}

.task5-hero {
  text-align: center;
  padding: 6px 12px 0;
}

.task5-kicker {
  margin: 0;
  color: #23d8ff;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

.task5-title {
  margin: 8px 0 10px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 0.98;
  color: #ffd39a;
}

.task5-subtitle {
  margin: 0 auto;
  max-width: 980px;
  color: #bcc7df;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.45;
}

.task5-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
}

.task5-sidebar {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.task5-back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: #aeb7d6;
  text-decoration: none;
}

.task5-card {
  margin-top: 14px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(39, 42, 67, 0.96), rgba(31, 34, 54, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.28);
}

.task5-card-title {
  margin: 0 0 18px;
  color: #23d8ff;
  font-size: 1.05rem;
}

.task5-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #c7cada;
}

.task5-stat-row:last-child {
  border-bottom: 0;
}

.task5-stat-row strong {
  color: #ffffff;
}

.task5-readout-grid {
  display: grid;
  gap: 12px;
}

.task5-readout-tile {
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(20, 25, 43, 0.96), rgba(17, 21, 36, 0.98));
  border: 1px solid rgba(255, 211, 154, 0.12);
}

.task5-readout-label {
  display: block;
  margin-bottom: 8px;
  color: #ffd39a;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.task5-readout-tile strong {
  color: #f5fbff;
  line-height: 1.45;
}

.task5-toggle-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.task5-view-toggle {
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: #d8e5f4;
  padding: 12px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, color 160ms ease, box-shadow 160ms ease;
}

.task5-view-toggle.is-active {
  background: linear-gradient(135deg, rgba(36, 203, 255, 0.22), rgba(249, 115, 22, 0.18));
  border-color: rgba(255, 211, 154, 0.32);
  color: #ffffff;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.task5-button {
  background: linear-gradient(135deg, #24cbff, #ff9c63);
}

.task5-stage {
  min-height: 0;
}

.task5-canvas-shell {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(43, 47, 74, 0.95), rgba(28, 31, 49, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

.task5-canvas {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  border-radius: 22px;
  background: #07111a;
}

.task6-theme {
  background:
    radial-gradient(circle at top center, rgba(34, 211, 238, 0.12), transparent 26%),
    linear-gradient(180deg, #11172b 0%, #151a30 48%, #0f1220 100%);
  color: #f2f4ff;
}

.task6-shell {
  min-height: 100vh;
  height: 100vh;
  padding: 14px 18px 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  overflow: hidden;
}

.task6-hero {
  text-align: center;
  padding: 6px 12px 0;
}

.task6-kicker {
  margin: 0;
  color: #22d3ee;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

.task6-title {
  margin: 8px 0 10px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 0.98;
  color: #8af0ff;
}

.task6-subtitle {
  margin: 0 auto;
  max-width: 980px;
  color: #bcc7df;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.45;
}

.task6-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
}

.task6-sidebar {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.task6-back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: #aeb7d6;
  text-decoration: none;
}

.task6-card {
  margin-top: 14px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(37, 41, 66, 0.96), rgba(31, 35, 56, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.28);
}

.task6-card-title,
.task6-label {
  color: #22d3ee;
}

.task6-card-title {
  margin: 0 0 18px;
  font-size: 1.05rem;
}

.task6-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #c7cada;
}

.task6-stat-row:last-child {
  border-bottom: 0;
}

.task6-stat-row strong {
  color: #ffffff;
}

.task6-toggle-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.task6-view-toggle {
  border: 1px solid rgba(255, 255, 255, 0.10);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.04);
  color: #d8e5f4;
  padding: 12px 14px;
  font-weight: 700;
  cursor: pointer;
}

.task6-view-toggle.is-active {
  background: linear-gradient(135deg, rgba(34, 211, 238, 0.22), rgba(140, 242, 107, 0.16));
  border-color: rgba(34, 211, 238, 0.28);
  color: #ffffff;
}

.task6-slider {
  accent-color: #22d3ee;
}

.task6-readout-grid {
  display: grid;
  gap: 12px;
}

.task6-readout-tile {
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(20, 25, 43, 0.96), rgba(17, 21, 36, 0.98));
  border: 1px solid rgba(138, 240, 255, 0.12);
}

.task6-readout-label {
  display: block;
  margin-bottom: 8px;
  color: #8af0ff;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.task6-readout-tile strong {
  color: #f5fbff;
  line-height: 1.45;
}

.task6-button {
  background: linear-gradient(135deg, #22d3ee, #8cf26b);
}

.task6-stage {
  min-height: 0;
}

.task6-canvas-shell {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(42, 46, 73, 0.95), rgba(26, 30, 48, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

.task6-canvas {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  border-radius: 22px;
  background: #07111a;
}

.task7-theme {
  background:
    radial-gradient(circle at top center, rgba(255, 154, 66, 0.12), transparent 26%),
    linear-gradient(180deg, #11162a 0%, #15192d 48%, #0f1220 100%);
  color: #f2f4ff;
}

.task7-shell {
  min-height: 100vh;
  height: 100vh;
  padding: 14px 18px 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  overflow: hidden;
}

.task7-hero {
  text-align: center;
  padding: 6px 12px 0;
}

.task7-kicker {
  margin: 0;
  color: #ff9a42;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

.task7-title {
  margin: 8px 0 10px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 0.98;
  color: #ffd39a;
}

.task7-subtitle {
  margin: 0 auto;
  max-width: 980px;
  color: #bcc7df;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.45;
}

.task7-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
}

.task7-sidebar {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.task7-back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: #aeb7d6;
  text-decoration: none;
}

.task7-card {
  margin-top: 14px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(37, 41, 66, 0.96), rgba(31, 35, 56, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.28);
}

.task7-card-title,
.task7-label {
  color: #ff9a42;
}

.task7-card-title {
  margin: 0 0 18px;
  font-size: 1.05rem;
}

.task7-toggle-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.task7-play-button,
.task7-step-button {
  border: 0;
  border-radius: 14px;
  background: linear-gradient(135deg, #ff9a42, #ffd39a);
  color: #1a1f36;
  padding: 12px 14px;
  font-weight: 700;
  cursor: pointer;
}

.task7-slider {
  accent-color: #ff9a42;
}

.task7-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #c7cada;
}

.task7-stat-row:last-child {
  border-bottom: 0;
}

.task7-stat-row strong {
  color: #ffffff;
}

.task7-copy {
  margin: 0;
  color: #d0d6e6;
  line-height: 1.58;
}

.task7-button {
  background: linear-gradient(135deg, #ff9a42, #22d3ee);
}

.task7-stage {
  min-height: 0;
}

.task7-canvas-shell {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(42, 46, 73, 0.95), rgba(26, 30, 48, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

.task7-canvas {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  border-radius: 22px;
  background: #07111a;
}

.task8-theme {
  background:
    radial-gradient(circle at top center, rgba(129, 140, 248, 0.16), transparent 26%),
    linear-gradient(180deg, #101529 0%, #15192d 48%, #0e1220 100%);
  color: #f2f4ff;
}

.task8-shell {
  min-height: 100vh;
  height: 100vh;
  padding: 14px 18px 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  overflow: hidden;
}

.task8-hero {
  text-align: center;
  padding: 6px 12px 0;
}

.task8-kicker {
  margin: 0;
  color: #67e8f9;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

.task8-title {
  margin: 8px 0 10px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 0.98;
  color: #b8c1ff;
}

.task8-subtitle {
  margin: 0 auto;
  max-width: 980px;
  color: #bcc7df;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.45;
}

.task8-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
}

.task8-sidebar {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.task8-back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: #aeb7d6;
  text-decoration: none;
}

.task8-card {
  margin-top: 14px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(37, 41, 66, 0.96), rgba(31, 35, 56, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.28);
}

.task8-card-title,
.task8-label {
  color: #67e8f9;
}

.task8-card-title {
  margin: 0 0 18px;
  font-size: 1.05rem;
}

.task8-slider {
  accent-color: #818cf8;
}

.task8-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #c7cada;
}

.task8-stat-row:last-child {
  border-bottom: 0;
}

.task8-stat-row strong {
  color: #ffffff;
}

.task8-readout-grid {
  display: grid;
  gap: 12px;
}

.task8-readout-tile {
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(20, 25, 43, 0.96), rgba(17, 21, 36, 0.98));
  border: 1px solid rgba(184, 193, 255, 0.14);
}

.task8-readout-label {
  display: block;
  margin-bottom: 8px;
  color: #b8c1ff;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.task8-readout-tile strong {
  color: #f5fbff;
  line-height: 1.45;
}

.task8-button {
  background: linear-gradient(135deg, #67e8f9, #818cf8);
}

.task8-stage {
  min-height: 0;
}

.task8-plot-shell {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(42, 46, 73, 0.95), rgba(26, 30, 48, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

.task8-plot-frame {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  border: 0;
  border-radius: 22px;
  overflow: hidden;
  background: #07111a;
}

.task9-theme {
  background:
    radial-gradient(circle at top center, rgba(249, 115, 22, 0.12), transparent 24%),
    linear-gradient(180deg, #101528 0%, #14192d 48%, #0d1220 100%);
  color: #f2f4ff;
}

.task9-shell {
  min-height: 100vh;
  height: 100vh;
  padding: 14px 18px 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  overflow: hidden;
}

.task9-hero {
  text-align: center;
  padding: 6px 12px 0;
}

.task9-kicker {
  margin: 0;
  color: #22d3ee;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

.task9-title {
  margin: 8px 0 10px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 0.98;
  color: #ffd39a;
}

.task9-subtitle {
  margin: 0 auto;
  max-width: 980px;
  color: #bcc7df;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.45;
}

.task9-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
}

.task9-sidebar {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.task9-back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: #aeb7d6;
  text-decoration: none;
}

.task9-card {
  margin-top: 14px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(37, 41, 66, 0.96), rgba(31, 35, 56, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.28);
}

.task9-card-title,
.task9-label {
  color: #22d3ee;
}

.task9-card-title {
  margin: 0 0 18px;
  font-size: 1.05rem;
}

.task9-slider {
  accent-color: #f97316;
}

.task9-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #c7cada;
}

.task9-stat-row:last-child {
  border-bottom: 0;
}

.task9-stat-row strong {
  color: #ffffff;
}

.task9-readout-grid {
  display: grid;
  gap: 12px;
}

.task9-readout-tile {
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(20, 25, 43, 0.96), rgba(17, 21, 36, 0.98));
  border: 1px solid rgba(255, 211, 154, 0.12);
}

.task9-readout-label {
  display: block;
  margin-bottom: 8px;
  color: #ffd39a;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.task9-readout-tile strong {
  color: #f5fbff;
  line-height: 1.45;
}

.task9-button {
  background: linear-gradient(135deg, #22d3ee, #f97316);
}

.task9-stage {
  min-height: 0;
}

.task9-canvas-shell {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(42, 46, 73, 0.95), rgba(26, 30, 48, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

.task9-canvas {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  border-radius: 22px;
  background: #07111a;
}

.bonus-theme {
  background:
    radial-gradient(circle at top center, rgba(124, 231, 255, 0.14), transparent 24%),
    linear-gradient(180deg, #101528 0%, #14192d 48%, #0d1220 100%);
  color: #f2f4ff;
}

.bonus-shell {
  min-height: 100vh;
  height: 100vh;
  padding: 14px 18px 18px;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  overflow: hidden;
}

.bonus-hero {
  text-align: center;
  padding: 6px 12px 0;
}

.bonus-kicker {
  margin: 0;
  color: #7ce7ff;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.76rem;
  font-weight: 700;
}

.bonus-title {
  margin: 8px 0 10px;
  font-size: clamp(2.3rem, 5vw, 4rem);
  line-height: 0.98;
  color: #c7b8ff;
}

.bonus-subtitle {
  margin: 0 auto;
  max-width: 980px;
  color: #bcc7df;
  font-size: clamp(1rem, 2vw, 1.2rem);
  line-height: 1.45;
}

.bonus-grid {
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(300px, 390px) minmax(0, 1fr);
  gap: 18px;
}

.bonus-sidebar {
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
}

.bonus-back-link {
  display: inline-block;
  margin-bottom: 14px;
  color: #aeb7d6;
  text-decoration: none;
}

.bonus-card {
  margin-top: 14px;
  padding: 22px;
  border-radius: 24px;
  background: linear-gradient(180deg, rgba(37, 41, 66, 0.96), rgba(31, 35, 56, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.10);
  box-shadow: 0 14px 44px rgba(0, 0, 0, 0.28);
}

.bonus-card-title,
.bonus-label {
  color: #7ce7ff;
}

.bonus-card-title {
  margin: 0 0 18px;
  font-size: 1.05rem;
}

.bonus-slider {
  accent-color: #c7b8ff;
}

.bonus-stat-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  color: #c7cada;
}

.bonus-stat-row:last-child {
  border-bottom: 0;
}

.bonus-stat-row strong {
  color: #ffffff;
}

.bonus-readout-grid {
  display: grid;
  gap: 12px;
}

.bonus-readout-tile {
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(20, 25, 43, 0.96), rgba(17, 21, 36, 0.98));
  border: 1px solid rgba(199, 184, 255, 0.14);
}

.bonus-readout-label {
  display: block;
  margin-bottom: 8px;
  color: #c7b8ff;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.bonus-readout-tile strong {
  color: #f5fbff;
  line-height: 1.45;
}

.bonus-button {
  background: linear-gradient(135deg, #7ce7ff, #a17bff);
}

.bonus-stage {
  min-height: 0;
}

.bonus-plot-shell {
  width: 100%;
  height: 100%;
  min-height: 0;
  padding: 10px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(42, 46, 73, 0.95), rgba(26, 30, 48, 0.95));
  border: 1px solid rgba(255, 255, 255, 0.11);
  box-shadow: 0 18px 54px rgba(0, 0, 0, 0.34);
}

.bonus-plot-frame {
  width: 100%;
  height: 100%;
  min-height: 0;
  display: block;
  border: 0;
  border-radius: 22px;
  overflow: hidden;
  background: #07111a;
}

@media (max-width: 980px) {
  .task2-shell {
    height: auto;
    overflow: visible;
  }

  .task2-grid {
    grid-template-columns: 1fr;
  }

  .task2-sidebar {
    overflow: visible;
    padding-right: 0;
  }

  .task2-scene-shell,
  .task2-scene-frame {
    min-height: 70vh;
  }

  .task3-shell {
    height: auto;
    overflow: visible;
  }

  .task3-grid {
    grid-template-columns: 1fr;
  }

  .task3-sidebar {
    overflow: visible;
    padding-right: 0;
  }

  .task3-plot-shell {
    min-height: 70vh;
  }

  .task3-plot-frame {
    min-height: 70vh;
  }

  .task4-shell {
    height: auto;
    overflow: visible;
  }

  .task4-grid {
    grid-template-columns: 1fr;
  }

  .task4-sidebar {
    overflow: visible;
    padding-right: 0;
  }

  .task4-plot-shell,
  .task4-plot-frame {
    min-height: 70vh;
  }

  .task5-shell {
    height: auto;
    overflow: visible;
  }

  .task5-grid {
    grid-template-columns: 1fr;
  }

  .task5-sidebar {
    overflow: visible;
    padding-right: 0;
  }

  .task5-canvas-shell,
  .task5-canvas {
    min-height: 70vh;
  }

  .task6-shell {
    height: auto;
    overflow: visible;
  }

  .task6-grid {
    grid-template-columns: 1fr;
  }

  .task6-sidebar {
    overflow: visible;
    padding-right: 0;
  }

  .task6-canvas-shell,
  .task6-canvas {
    min-height: 70vh;
  }

  .task7-shell {
    height: auto;
    overflow: visible;
  }

  .task7-grid {
    grid-template-columns: 1fr;
  }

  .task7-sidebar {
    overflow: visible;
    padding-right: 0;
  }

  .task7-canvas-shell,
  .task7-canvas {
    min-height: 70vh;
  }

  .task8-shell {
    height: auto;
    overflow: visible;
  }

  .task8-grid {
    grid-template-columns: 1fr;
  }

  .task8-sidebar {
    overflow: visible;
    padding-right: 0;
  }

  .task8-plot-shell,
  .task8-plot-frame {
    min-height: 70vh;
  }

  .task9-shell {
    height: auto;
    overflow: visible;
  }

  .task9-grid {
    grid-template-columns: 1fr;
  }

  .task9-sidebar {
    overflow: visible;
    padding-right: 0;
  }

  .task9-canvas-shell,
  .task9-canvas {
    min-height: 70vh;
  }

  .bonus-shell {
    height: auto;
    overflow: visible;
  }

  .bonus-grid {
    grid-template-columns: 1fr;
  }

  .bonus-sidebar {
    overflow: visible;
    padding-right: 0;
  }

  .bonus-plot-shell,
  .bonus-plot-frame {
    min-height: 70vh;
  }
}