.fun-project-main {
  width: min(var(--fun-project-shell-max-width, 1320px), calc(100vw - 2rem));
  margin: 0 auto;
  flex: 1 0 auto;
  display: flex;
  min-height: 0;
  padding: 0.75rem 0 0.9rem;
}

.fun-project-layout {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: minmax(0, var(--fun-project-sidebar-width, 320px)) minmax(0, 1fr);
  gap: var(--fun-project-gap, 0.85rem);
  width: 100%;
  min-height: 0;
  height: 100%;
  align-items: stretch;
}

.fun-project-sidebar {
  display: grid;
  grid-template-rows: auto auto;
  gap: 1rem;
  min-width: 0;
  min-height: 0;
}

.fun-project-copy-card,
.fun-project-controls-card,
.fun-project-display-card {
  border: 1px solid var(--fun-project-card-border, rgba(255, 255, 255, 0.1));
  border-radius: 28px;
  background: var(--fun-project-card-bg, linear-gradient(180deg, rgba(10, 16, 24, 0.96) 0%, rgba(15, 22, 33, 0.94) 100%));
  box-shadow: 0 32px 90px rgba(0, 0, 0, 0.34);
}

.fun-project-copy-card {
  padding: 1.15rem 1.2rem 1.25rem;
}

.fun-project-copy-card h1 {
  margin: 0.4rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.85rem, 6.6vw, 5rem);
  font-weight: 500;
  line-height: 0.92;
  text-wrap: balance;
}

.fun-project-copy-card p {
  margin: 1rem 0 0;
  max-width: 52rem;
  color: var(--fun-project-copy-text, rgba(245, 243, 236, 0.82));
  font-size: 1.08rem;
  line-height: 1.7;
  text-wrap: pretty;
}

.fun-project-text-link {
  color: var(--fun-project-link-color, #ffffff);
  border-bottom: 1px solid var(--fun-project-link-border, rgba(255, 255, 255, 0.34));
  transition: border-color 180ms ease, color 180ms ease;
}

.fun-project-text-link:hover,
.fun-project-text-link:focus-visible {
  border-color: var(--fun-project-link-border-hover, rgba(255, 255, 255, 0.76));
  color: var(--fun-project-link-color, #ffffff);
}

.fun-project-controls-card {
  padding: 1rem 1.05rem;
  align-self: start;
}

.fun-project-control-row {
  display: grid;
  gap: 0.65rem;
}

.fun-project-control-row + .fun-project-control-row {
  margin-top: 1rem;
}

.fun-project-control-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}

.fun-project-control-row span,
.fun-project-control-row output {
  font-family: var(--font-mono);
}

.fun-project-control-row span {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fun-project-control-label, rgba(245, 243, 236, 0.7));
}

.fun-project-control-row output {
  color: var(--fun-project-output, #ffffff);
  font-size: 0.9rem;
}

.fun-project-toggle-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1rem;
}

.fun-project-toggle-row input[type="checkbox"] {
  inline-size: 1.05rem;
  block-size: 1.05rem;
  accent-color: var(--fun-project-accent, #ffffff);
}

.fun-project-toggle-row span,
.fun-project-toggle-row output {
  font-family: var(--font-mono);
}

.fun-project-toggle-row span {
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fun-project-control-label, rgba(245, 243, 236, 0.7));
}

.fun-project-toggle-row output {
  color: var(--fun-project-output, #ffffff);
  font-size: 0.9rem;
}

.fun-project-control-row input[type="range"] {
  width: 100%;
  accent-color: var(--fun-project-accent, #ffffff);
}

.fun-project-button {
  width: 100%;
  margin-top: 1rem;
  min-height: 2.8rem;
  border: 1px solid var(--fun-project-button-border, rgba(255, 255, 255, 0.14));
  border-radius: 16px;
  background: var(--fun-project-button-bg, rgba(18, 26, 39, 0.94));
  color: var(--fun-project-button-text, inherit);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.fun-project-button:hover,
.fun-project-button:focus-visible {
  transform: translateY(-1px);
  border-color: var(--fun-project-button-border-hover, rgba(255, 255, 255, 0.28));
  background: var(--fun-project-button-hover-bg, rgba(24, 35, 49, 0.96));
}

.fun-project-stage {
  display: flex;
  width: 100%;
  min-width: 0;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.fun-project-display-card {
  flex: 1 1 auto;
  width: 100%;
  min-width: 0;
  height: 100%;
  min-height: 0;
  padding: 0;
  overflow: hidden;
}

.fun-project-display-host {
  position: relative;
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  border-radius: 28px;
  background: var(--fun-project-display-bg, #000);
  overflow: hidden;
}

.fun-project-display-host canvas {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  border-radius: 28px;
}

.fun-project-display-host .canvas-fallback {
  position: absolute;
  inset: 50% auto auto 50%;
  transform: translate(-50%, -50%);
  width: min(28rem, calc(100% - 2rem));
  padding: 1.25rem 1.4rem;
  border: 1px solid var(--fun-project-fallback-border, rgba(255, 255, 255, 0.14));
  border-radius: 18px;
  background: var(--fun-project-fallback-bg, rgba(12, 16, 24, 0.84));
  color: var(--fun-project-fallback-text, rgba(245, 243, 236, 0.88));
  font-size: 0.98rem;
  line-height: 1.6;
  text-align: center;
}

@media (min-width: 961px) {
  .fun-project-main {
    height: calc(100dvh - var(--site-header-height) - 5.35rem);
    max-height: calc(100dvh - var(--site-header-height) - 5.35rem);
  }
}

@media (max-width: 960px) {
  .fun-project-layout {
    grid-template-columns: 1fr;
    height: auto;
  }

  .fun-project-sidebar {
    gap: 0.85rem;
  }

  .fun-project-controls-card {
    width: auto;
  }

  .fun-project-display-card {
    height: auto;
    padding: 0;
  }

  .fun-project-display-host {
    height: min(68dvh, 36rem);
    min-height: 520px;
  }
}

@media (max-width: 640px) {
  .fun-project-main {
    padding-bottom: 1.2rem;
    display: block;
  }

  .fun-project-copy-card {
    padding: 1rem 1rem 1.05rem;
  }

  .fun-project-controls-card {
    padding: 0.95rem;
  }

  .fun-project-display-card {
    padding: 0;
  }

  .fun-project-display-host {
    height: min(58dvh, 29rem);
    min-height: 430px;
  }
}