/* Memory Test Game Styles */
.main-text {
  margin-top: 100px;
}

.mn-section {
  max-width: 500px;
  margin: 60px auto 0 auto;
  padding: 32px 24px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0));
  border-radius: 18px;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.74);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.mn-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255,255,255,0.65), rgba(255,255,255,0) 40%);
  pointer-events: none;
  opacity: 0.55;
}

.mn-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(12, 14, 22, 0.68);
  backdrop-filter: blur(8px);
  z-index: 30;
}

.mn-overlay-card {
  width: min(440px, calc(100% - 48px));
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: 22px;
  padding: 22px 22px 20px;
  text-align: center;
  box-shadow: 0 28px 70px rgba(0,0,0,0.35);
  position: relative;
  z-index: 1;
}

.mn-overlay-title {
  font-size: 2.1rem;
  font-weight: 900;
  color: #0d1020;
  letter-spacing: 0.01em;
}

.mn-overlay-subtitle {
  margin-top: 6px;
  font-size: 1.02rem;
  font-weight: 600;
  color: rgba(13, 16, 32, 0.75);
}

.mn-score-label {
  margin-top: 16px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(13, 16, 32, 0.55);
}

.mn-score-label-tight {
  margin-top: 12px;
}

.mn-score {
  margin-top: 6px;
  font-size: 4.1rem;
  font-weight: 900;
  line-height: 1;
  color: #0d1020;
}

.mn-score-small {
  font-size: 2.4rem;
  opacity: 0.9;
}

.mn-overlay-btn {
  margin-top: 18px;
  padding: 12px 42px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  background: linear-gradient(90deg, #111 0%, #2a2f4a 100%);
  box-shadow: 0 18px 44px rgba(0,0,0,0.22);
  transition: transform 0.12s, box-shadow 0.2s, filter 0.2s;
  font-family: 'Poppins', sans-serif;
}

.mn-overlay-btn:hover {
  transform: translateY(-2px);
  filter: saturate(1.1);
  box-shadow: 0 22px 52px rgba(0,0,0,0.28);
}

.mn-overlay-btn:active {
  transform: translateY(0px) scale(0.99);
}

.mn-level-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(12, 14, 22, 0.65);
  backdrop-filter: blur(6px);
  color: #fff;
  font-weight: 900;
  font-size: 3.2rem;
  border-radius: 18px;
  z-index: 20;
  letter-spacing: 0.02em;
  text-shadow: 0 14px 40px rgba(0,0,0,0.35);
}

/* "Paper" reveal area */
.mn-paper {
  width: 100%;
  min-height: 108px;
  border-radius: 18px;
  margin: 8px 0 14px 0;
  position: relative;
  overflow: hidden;
  user-select: none;
  cursor: pointer;
  z-index: 1;

  /* Fun background (kept within existing site palette vibes) */
  /* background:
    radial-gradient(circle at 18% 28%, rgba(255, 3, 3, 0.18) 0%, rgba(255, 3, 3, 0) 55%),
    radial-gradient(circle at 82% 22%, rgba(255, 152, 0, 0.20) 0%, rgba(255, 152, 0, 0) 52%),
    radial-gradient(circle at 50% 90%, rgba(0, 137, 123, 0.20) 0%, rgba(0, 137, 123, 0) 55%),
    rgba(0, 0, 0, 0.03); */
  border: 2px solid rgba(0, 0, 0, 0.06);
}

.mn-reveal {
  position: absolute;
  inset: 12px;
  border-radius: 14px;
  /* background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.88) 100%),
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.06) 0px, rgba(0, 0, 0, 0.06) 1px, rgba(0, 0, 0, 0) 10px, rgba(0, 0, 0, 0) 22px); */
  /* box-shadow: 0 10px 22px rgba(0, 0, 0, 0.10); */
  display: flex;
  align-items: center;
  justify-content: center;
}

.mn-number-text {
  font-size: 2.55rem;
  font-weight: 900;
  letter-spacing: 0.10em;
  color: #111;
}

.mn-cover {
  position: absolute;
  left: 0;
  right: 0;
  height: 50%;
  /* background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(245, 245, 245, 0.92) 100%); */
}

.mn-cover-top {
  top: 0;
  background-color: #000000;
  border-radius: 18px 18px 0 0;
  box-shadow: 0 8px 18px rgba(0, 0, 0, 0.12);
  transform: translateY(0%);
  transition: transform 260ms cubic-bezier(.2, .9, .2, 1);
}

.mn-cover-bottom {
  bottom: 0;
  background-color: #000000;
  border-radius: 0 0 18px 18px;
  box-shadow: 0 -8px 18px rgba(0, 0, 0, 0.10);
  transform: translateY(0%);
  transition: transform 260ms cubic-bezier(.2, .9, .2, 1);
}

.mn-cover-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: rgb(255, 255, 255);
  /* text-shadow: 0 1px 0 rgba(255, 255, 255, 0.8); */
  transition: opacity 180ms ease;
}

/* Open state: covers slide away to reveal the "paper" */
.mn-paper.open .mn-cover-top {
  transform: translateY(-105%);
}

.mn-paper.open .mn-cover-bottom {
  transform: translateY(105%);
}

.mn-paper.open .mn-cover-text {
  opacity: 0;
}

.mn-input {
  width: 100%;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0);
  /* border: 2px solid rgba(0, 0, 0, 0.06); */
  padding: 12px 14px;
  margin-bottom: 14px;
  z-index: 1;
}

.mn-input-boxes {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  min-height: 40px;
}

.mn-digit-box {
  width: 42px;
  height: 44px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.85);
  border: 2px solid rgba(0, 0, 0, 0.10);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.45rem;
  font-weight: 900;
  color: #111;
}

.mn-keypad {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  z-index: 1;
}

.mn-keypad button {
  border: none;
  border-radius: 14px;
  padding: 12px 0;
  font-size: 1.3rem;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.315);
  cursor: pointer;
  transition: transform 0.12s, background 0.12s;
}

.mn-keypad button:hover {
  transform: scale(1.03);
  background: rgba(0, 0, 0, 0.08);
}

.mn-keypad button.mn-action {
  background: rgba(255, 0, 0, 0.12);
}

.mn-keypad button.mn-action:hover {
  background: rgba(255, 3, 3, 0.18);
}

.mn-controls {
  margin-top: 16px;
}

.mn-controls button {
  padding: 10px 28px;
  font-size: 1.1rem;
  border-radius: 8px;
  border: none;
  background: var(--main-color);
  color: #fff;
  cursor: pointer;
  margin: 0 8px;
  font-weight: 700;
  transition: background 0.2s;
}

.mn-controls button:hover {
  background: #000000;
}

.mn-result {
  min-height: 30px;
  font-size: 1.1rem;
  font-weight: 700;
  color: #111;
  margin-top: 10px;
  z-index: 1;
}

@media (max-width: 600px) {
  .main-text {
      margin-top: 60px;
  }
  .mn-section {
      max-width: 90%;
      margin: 20px auto 0 auto;
      padding: 12px 14px;
  }
  
  .mn-number {
    min-height: 84px;
    font-size: 2.05rem;
  }

  .mn-paper {
    min-height: 100px;
  }

  .mn-number-text {
    font-size: 2.15rem;
  }

  .mn-digit-box {
    width: 38px;
    height: 42px;
    font-size: 1.35rem;
  }
}