/* ============================================================
   Grille des quatre modes de jeu
   ============================================================ */
.menu-grid {
  display: grid;
  gap: var(--space-3);
  grid-template-columns: 1fr;
}

@media (min-width: 640px) {
  .menu-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.menu-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  background: var(--color-surface);
  border: 3px solid var(--color-outline);
  clip-path: var(--notch);
  box-shadow: var(--shadow-pixel);
  padding: 0;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.menu-card::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0 0 auto;
  height: 76px;
  background: linear-gradient(
    100deg,
    var(--mode-dark),
    var(--mode-color),
    var(--mode-dark)
  );
  border-bottom: 3px solid var(--color-outline);
  pointer-events: none;
}

.menu-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0 var(--mode-color);
}

.menu-card:nth-child(1) {
  --mode-color: #194d9c;
  --mode-dark: #12366e;
  --mode-soft: rgba(40, 95, 181, 0.14);
}

.menu-card:nth-child(2) {
  --mode-color: #844000;
  --mode-dark: #5c2d00;
  --mode-soft: rgba(183, 91, 0, 0.14);
}

.menu-card:nth-child(3) {
  --mode-color: #16623b;
  --mode-dark: #0f452a;
  --mode-soft: rgba(33, 117, 74, 0.14);
}

.menu-card:nth-child(4) {
  --mode-color: #5d348c;
  --mode-dark: #402460;
  --mode-soft: rgba(114, 68, 163, 0.14);
}

.menu-card-icon {
  position: relative;
  z-index: 1;
  grid-column: 1;
  grid-row: 1;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  background: rgba(255, 255, 255, 0.14);
  border: 2px solid rgba(255, 255, 255, 0.9);
  clip-path: var(--notch-sm);
  box-shadow: 3px 3px 0 var(--color-outline);
  margin: 14px 0 14px var(--space-3);
}

.menu-card-icon svg {
  width: 24px;
  height: 24px;
  stroke: #ffffff;
}

.menu-card h3 {
  position: relative;
  z-index: 1;
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  color: #ffffff;
  margin: 0;
  padding: 12px var(--space-3) 12px var(--space-2);
  font-size: 14px;
  line-height: 1.5;
}

.menu-card p {
  grid-column: 1 / -1;
  grid-row: 2;
  align-self: start;
  margin: 0;
  padding: var(--space-3);
  font-size: 16px;
  color: var(--color-text-muted);
}

.menu-card-tag {
  grid-column: 1 / -1;
  grid-row: 3;
  display: flex;
  align-items: center;
  min-height: 50px;
  background: var(--mode-soft);
  border-top: 3px solid var(--mode-color);
  padding: 10px var(--space-3);
  color: var(--mode-color);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 9px;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

/* ============================================================
   Difficulty table (training AI)
   ============================================================ */
.diff-grid {
  display: grid;
  gap: var(--space-4);
  grid-template-columns: 1fr;
}

@media (min-width: 860px) {
  .diff-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.diff-card {
  --diff-color: var(--color-success);
  --diff-dark: #155232;
  --diff-panel: #d7ebdd;
  --diff-panel-deep: #bbdac6;
  --diff-text: #173d29;
  --diff-highlight: #287b4d;
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto 1fr auto;
  overflow: hidden;
  background: linear-gradient(
    145deg,
    var(--diff-panel),
    var(--diff-panel-deep)
  );
  min-height: 340px;
  border: 4px solid var(--diff-color);
  clip-path: var(--notch);
  box-shadow: 7px 7px 0 var(--diff-dark);
  padding: 0;
  text-align: left;
  transition:
    transform var(--transition-base),
    box-shadow var(--transition-base);
}

.diff-card::before {
  content: "";
  position: absolute;
  z-index: 0;
  inset: 0 0 auto;
  height: 98px;
  background: linear-gradient(
    112deg,
    var(--diff-dark) 0 56%,
    var(--diff-color) 56% 78%,
    var(--diff-dark) 78% 100%
  );
  border-bottom: 3px solid var(--color-outline);
  pointer-events: none;
}

.diff-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 8px 8px 0 var(--diff-color);
}

.diff-card--easy {
  --diff-color: var(--color-success);
  --diff-dark: #155232;
  --diff-panel: #d7ebdd;
  --diff-panel-deep: #bbdac6;
  --diff-text: #173d29;
  --diff-highlight: #287b4d;
}

.diff-card--normal {
  --diff-color: var(--color-champion);
  --diff-dark: #765006;
  --diff-panel: #f2e3bc;
  --diff-panel-deep: #dfc47b;
  --diff-text: #503500;
  --diff-highlight: #8a5b00;
}

.diff-card--hard {
  --diff-color: var(--color-nightmare);
  --diff-dark: var(--color-nightmare-dark);
  --diff-panel: #f0d1cf;
  --diff-panel-deep: #dfa3a0;
  --diff-text: #631814;
  --diff-highlight: #b91f1a;
}

.diff-stars {
  position: relative;
  z-index: 1;
  grid-column: 1;
  grid-row: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  align-self: center;
  min-width: 56px;
  height: 54px;
  gap: 4px;
  margin: 20px 0 20px var(--space-3);
  padding: 0 10px;
  background: rgba(255, 255, 255, 0.14);
  border: 2px solid rgba(255, 255, 255, 0.9);
  clip-path: var(--notch-sm);
  box-shadow: 3px 3px 0 var(--color-outline);
}

.rating-star {
  width: 17px;
  height: 17px;
  color: #ffffff;
}

.diff-card h3 {
  position: relative;
  z-index: 1;
  grid-column: 2;
  grid-row: 1;
  align-self: center;
  margin: 0;
  padding: 16px var(--space-3) 16px var(--space-2);
  color: #ffffff;
  font-size: 16px;
  line-height: 1.5;
}

.diff-card p {
  grid-column: 1 / -1;
  grid-row: 2;
  align-self: start;
  margin: 0;
  padding: 28px var(--space-3);
  font-size: 17px;
  color: var(--diff-text);
  font-weight: 500;
}

.diff-reward {
  grid-column: 1 / -1;
  grid-row: 3;
  display: flex;
  align-items: center;
  align-self: end;
  min-height: 0;
  background: transparent;
  border: 0;
  padding: 0 var(--space-3) 28px;
  color: var(--diff-highlight);
  font-family: var(--font-body);
  font-weight: 800;
  font-size: 13px;
  line-height: 1.5;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}