body.area-aritmetica {
  --mn-page-background:
    radial-gradient(circle at top, rgba(198, 78, 28, 0.22), transparent 32%),
    linear-gradient(180deg, #20110d 0%, #120e12 48%, #09090b 100%);
  --mn-game-border: #ffffff;
}

.loading-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    linear-gradient(180deg, rgba(5, 6, 10, 0.92), rgba(19, 11, 10, 0.88)),
    radial-gradient(circle at top, rgba(240, 90, 40, 0.18), transparent 36%);
  z-index: 40;
}

.loading-overlay.hidden {
  display: none;
}

.loading-overlay__panel {
  width: min(26rem, 100%);
  padding: 1.25rem 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1rem;
  background: rgba(12, 12, 16, 0.72);
  color: #fff4e7;
  text-align: center;
  box-shadow: 0 1rem 2rem rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(8px);
}

.loading-overlay__eyebrow {
  margin-bottom: 0.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #ffb982;
}

.loading-overlay__message {
  font-size: 1rem;
  line-height: 1.45;
}

.startMenu {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 10;
  padding: 24px 24px 120px;
}

.menuOptions {
  display: flex;
  color: #fff;
  font-family: "Trebuchet MS", "Segoe UI", sans-serif;
}

.menuOptions--minimal {
  width: min(420px, 82vw);
  justify-content: center;
}

.startMeta {
  position: fixed;
  left: 50%;
  bottom: 38px;
  z-index: 11;
  display: flex;
  align-items: center;
  gap: 14px;
  transform: translateX(-50%);
  padding: 8px 14px;
  border-radius: 999px;
  background: rgba(8, 9, 13, 0.62);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
}

.startBadge {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #ffbe82;
}

.startLink {
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px;
  background: linear-gradient(180deg, var(--mn-ui-btn-bg-top), var(--mn-ui-btn-bg-bottom));
  color: rgba(255, 245, 235, 0.92);
  font: inherit;
  cursor: pointer;
  padding: 0.52rem 0.95rem;
  box-shadow: var(--mn-ui-btn-shadow);
  transition:
    transform 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease,
    color 0.18s ease;
}

.startLink:hover {
  color: #ffffff;
  border-color: var(--mn-ui-btn-hover-border);
  background: linear-gradient(180deg, var(--mn-ui-btn-hover-top), var(--mn-ui-btn-hover-bottom));
  transform: translateY(-1px);
  box-shadow: var(--mn-ui-btn-shadow-hover);
}

.startLink:active {
  transform: translateY(0);
}

.startLink:focus-visible,
.project-modal__close:focus-visible {
  outline: none;
  box-shadow: var(--mn-ui-focus-ring), var(--mn-ui-btn-shadow-hover);
}

.project-modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9997;
  padding: 24px;
}

.project-modal.hidden {
  display: none;
}

.project-modal__backdrop {
  position: absolute;
  inset: 0;
  background: var(--mn-ui-backdrop);
  backdrop-filter: blur(8px);
  animation: mn-fade-in-soft 0.22s ease-out;
}

.project-modal__panel {
  position: relative;
  width: min(720px, 100%);
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
  border-radius: 22px;
  background: linear-gradient(180deg, var(--mn-ui-panel-bg-top), var(--mn-ui-panel-bg-bottom));
  color: var(--mn-ui-panel-text);
  border: 1px solid var(--mn-ui-panel-border);
  box-shadow: var(--mn-ui-panel-shadow);
  animation: mn-fade-up-soft 0.26s ease-out;
}

.project-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 40px;
  height: 40px;
  border: 1px solid var(--mn-ui-btn-border);
  border-radius: 999px;
  cursor: pointer;
  background: linear-gradient(180deg, var(--mn-ui-btn-bg-top), var(--mn-ui-btn-bg-bottom));
  color: var(--mn-ui-btn-text);
  font-size: 15px;
  box-shadow: var(--mn-ui-btn-shadow);
  transition:
    transform 0.18s ease,
    background 0.18s ease,
    border-color 0.18s ease,
    box-shadow 0.18s ease;
}

.project-modal__close:hover {
  background: linear-gradient(180deg, var(--mn-ui-btn-hover-top), var(--mn-ui-btn-hover-bottom));
  border-color: var(--mn-ui-btn-hover-border);
  box-shadow: var(--mn-ui-btn-shadow-hover);
}

.project-modal__close:active {
  transform: translateY(0) scale(0.97);
}

.project-modal__content {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.project-modal__eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: #98693c;
}

.project-modal__content h2 {
  font-size: clamp(30px, 5vw, 42px);
  line-height: 1;
  color: #a97540;
}

.project-modal__content p {
  line-height: 1.6;
  color: rgba(226, 203, 184, 0.9);
}

.project-modal__content strong {
  color: #f9dbbc;
  font-weight: 700;
}

.project-divider {
  border: 0;
  border-top: 1px solid rgba(104, 79, 57, 0.7);
}

p.project-modal__note {
  color: #b5783f;
}

@media (max-width: 640px) {
  .startMenu {
    padding-bottom: 112px;
  }

  .startMeta {
    width: calc(100vw - 32px);
    justify-content: center;
    gap: 10px;
    bottom: 20px;
    flex-wrap: wrap;
  }

  .project-modal__panel {
    padding: 22px;
  }
}

@media (pointer: coarse) and (orientation: portrait) {
  .startMenu {
    align-items: flex-end;
    padding:
      1rem
      var(--mn-safe-right)
      calc(var(--mn-touch-space) + 1.75rem)
      var(--mn-safe-left);
  }

  .startMeta {
    bottom: calc(var(--mn-touch-space) - 1.25rem);
  }
}