.riddle-page .page-main {
  max-width: 1040px;
}

.riddle-hero {
  display: grid;
  gap: 1rem;
  padding: 2rem 0 1.2rem;
}

.riddle-hero h1 {
  font-size: clamp(1.4rem, 6vw, 3.5rem);
  line-height: 0.95;
}

.riddle-hero .lead {
  margin-top: 0;
}

.riddle-shell {
  display: grid;
  gap: 1.35rem;
}

.riddle-progress {
  display: grid;
  gap: 0.45rem;
}

.riddle-progress span {
  border: 1px solid rgba(53, 240, 154, 0.18);
  border-radius: 999px;
  padding: 0.58rem 0.65rem;
  color: var(--doom-muted);
  text-align: center;
  background: rgba(3, 11, 8, 0.56);
}

.riddle-progress span.is-complete,
.riddle-progress span.is-active {
  color: #c8ffe1;
  border-color: rgba(53, 240, 154, 0.42);
  background:
    linear-gradient(145deg, rgba(53,240,154,0.16), transparent 42%),
    rgba(5, 18, 13, 0.78);
  box-shadow: inset 0 0 18px rgba(53,240,154,0.055);
}

.riddle-progress {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.riddle-navigation {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  color: var(--doom-muted);
  font-size: 0.85rem;
}

.riddle-navigation button {
  display: grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid rgba(53, 240, 154, 0.28);
  border-radius: 50%;
  color: var(--doom-text);
  background: rgba(3, 11, 8, 0.72);
  font: inherit;
  font-size: 1.35rem;
  cursor: pointer;
}

.riddle-navigation button:hover:not(:disabled) {
  border-color: rgba(53, 240, 154, 0.58);
  background: rgba(16, 64, 43, 0.68);
}

.riddle-navigation button:disabled {
  cursor: default;
  opacity: 0.3;
}

.riddle-navigation button.is-hidden {
  visibility: hidden;
  pointer-events: none;
}

.riddle-step {
  display: none;
  gap: 1rem;
}

.riddle-step.is-active {
  display: grid;
}

.riddle-step > h2,
.riddle-step > p {
  margin: 0;
}

.clue-list {
  display: grid;
  gap: 0.45rem;
  margin: 0;
  padding-left: 1.2rem;
  color: var(--doom-muted);
}

.riddle-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.riddle-options button,
.memory-card,
.sequence-grid button {
  border: 1px solid rgba(53, 240, 154, 0.22);
  border-radius: var(--radius-lg);
  color: var(--doom-text);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.055), transparent 30%),
    rgba(4, 13, 10, 0.72);
  box-shadow: inset 0 0 24px rgba(53,240,154,0.040);
}

.riddle-options button {
  min-height: 5rem;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.riddle-options--logic {
  grid-template-columns: 1fr;
}

.riddle-options button:hover,
.memory-card:hover {
  border-color: rgba(53, 240, 154, 0.52);
  transform: translateY(-1px);
}

.quiz-stack {
  display: grid;
  gap: 0.9rem;
}

.quiz-stack label {
  display: grid;
  gap: 0.45rem;
}

.sequence-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.6rem;
  width: min(100%, 250px);
}

.sequence-grid button {
  aspect-ratio: 1;
  cursor: pointer;
}

.sequence-grid button.is-lit,
.sequence-grid button.is-hit {
  border-color: rgba(53, 240, 154, 0.62);
  background:
    radial-gradient(ellipse at center, rgba(183,255,217,0.30), transparent 58%),
    rgba(16, 64, 43, 0.88);
  box-shadow:
    inset 0 0 26px rgba(53,240,154,0.16),
    0 0 26px rgba(53,240,154,0.20);
}

.sequence-grid button.is-reset-flash {
  border-color: rgba(88, 210, 148, 0.62);
  background:
    radial-gradient(ellipse at center, rgba(137, 224, 177, 0.22), transparent 68%),
    rgba(9, 52, 35, 0.94);
  box-shadow:
    inset 0 0 30px rgba(88, 210, 148, 0.16),
    0 0 20px rgba(53, 240, 154, 0.14);
}

.timing-tracks {
  display: grid;
  gap: 0.75rem;
}

.timing-track {
  position: relative;
  height: 3.2rem;
  border: 1px solid rgba(53, 240, 154, 0.22);
  border-radius: 999px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(3, 11, 8, 0.90), rgba(9, 27, 19, 0.76), rgba(3, 11, 8, 0.90));
}

.timing-zone {
  position: absolute;
  inset-block: 0;
  left: 38%;
  width: 24%;
  background: rgba(53, 240, 154, 0.26);
  box-shadow: 0 0 28px rgba(53,240,154,0.30);
}

.timing-marker {
  position: absolute;
  inset: 0 auto 0 0;
  width: 0.35rem;
  background: #c8ffe1;
  box-shadow: 0 0 18px rgba(53,240,154,0.72);
}

.memory-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.6rem;
}

.memory-meta,
.puzzle-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  flex-wrap: wrap;
  color: var(--doom-muted);
}

.memory-card {
  aspect-ratio: 1;
  position: relative;
  display: grid;
  place-items: center;
  padding: 0.4rem;
  cursor: pointer;
  overflow: hidden;
}

.memory-card::before {
  content: "?";
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  border-radius: calc(var(--radius-lg) - 6px);
  color: #c8ffe1;
  font-size: 2rem;
  font-weight: 900;
  background:
    radial-gradient(ellipse at center, rgba(53,240,154,0.12), transparent 58%),
    rgba(3, 11, 8, 0.78);
}

.memory-card img {
  display: none;
  position: absolute;
  inset: 0.6rem;
  width: calc(100% - 1.2rem);
  height: calc(100% - 1.2rem);
  object-fit: contain;
  object-position: center;
}

.memory-card.is-open::before,
.memory-card.is-matched::before {
  display: none;
}

.memory-card.is-open img,
.memory-card.is-matched img {
  display: block;
}

.memory-card.is-shuffle-flash {
  border-color: rgba(88, 210, 148, 0.62);
  background: rgba(10, 58, 38, 0.92);
  box-shadow:
    inset 0 0 30px rgba(88, 210, 148, 0.16),
    0 0 20px rgba(53, 240, 154, 0.14);
}

.memory-card.is-shuffle-flash::before {
  color: #effff6;
  background:
    radial-gradient(ellipse at center, rgba(137, 224, 177, 0.22), transparent 68%),
    rgba(9, 52, 35, 0.94);
}

.memory-card.is-matched {
  border-color: rgba(53, 240, 154, 0.62);
  box-shadow:
    inset 0 0 28px rgba(53,240,154,0.08),
    0 0 20px rgba(53,240,154,0.12);
}

.slide-puzzle {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  width: min(100%, 420px);
  aspect-ratio: 1;
  gap: 0.35rem;
  margin: 0 auto;
  padding: 0.35rem;
  border: 1px solid rgba(53, 240, 154, 0.22);
  border-radius: var(--radius-lg);
  background: rgba(3, 11, 8, 0.72);
}

.slide-tile {
  border: 1px solid rgba(53, 240, 154, 0.24);
  border-radius: var(--radius-md);
  background-color: rgba(4, 13, 10, 0.8);
  background-repeat: no-repeat;
  background-size: 300% 300%;
  box-shadow: inset 0 0 18px rgba(0, 0, 0, 0.28);
  cursor: pointer;
}

.slide-tile:hover {
  border-color: rgba(53, 240, 154, 0.58);
}

.slide-tile.is-empty {
  border-color: transparent;
  background: rgba(1, 5, 3, 0.48);
  box-shadow: inset 0 0 26px rgba(0, 0, 0, 0.55);
  cursor: default;
}

.decoder-board {
  display: grid;
  gap: 1rem;
  border: 1px solid rgba(53, 240, 154, 0.18);
  border-radius: var(--radius-lg);
  padding: 1rem;
  background: rgba(3, 11, 8, 0.48);
}

.decoder-key {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.decoder-key span {
  border: 1px solid rgba(53, 240, 154, 0.18);
  border-radius: 999px;
  padding: 0.45rem 0.65rem;
  color: var(--doom-muted);
}

.encoded-line {
  color: #c8ffe1;
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 900;
  letter-spacing: 0.16em;
  text-shadow: 0 0 20px rgba(53,240,154,0.28);
}

.revealed-code {
  width: fit-content;
  border: 1px solid rgba(53, 240, 154, 0.34);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  color: #c8ffe1;
  font-size: clamp(2rem, 8vw, 4rem);
  font-weight: 900;
  letter-spacing: 0.08em;
  background:
    linear-gradient(145deg, rgba(53,240,154,0.16), transparent 42%),
    rgba(3, 12, 9, 0.82);
  text-shadow: 0 0 22px rgba(53,240,154,0.28);
}

.riddle-concept-grid {
  margin-top: 1rem;
}

.mastermind-board {
  display: grid;
  gap: 1rem;
  border: 1px solid rgba(53, 240, 154, 0.18);
  border-radius: var(--radius-lg);
  padding: 1rem;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(53,240,154,0.08), transparent 48%),
    linear-gradient(180deg, rgba(7,18,14,0.82), rgba(3,9,7,0.74));
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,0.07),
    inset 0 0 36px rgba(53,240,154,0.040);
}

.mastermind-current,
.mastermind-palette {
  display: grid;
  gap: 0.65rem;
}

.mastermind-current {
  grid-template-columns: repeat(4, 4.4rem);
  justify-content: center;
}

.mastermind-palette {
  grid-template-columns: repeat(6, 3.2rem);
  justify-content: center;
}

.mastermind-current button,
.mastermind-palette button {
  border: 1px solid rgba(53, 240, 154, 0.22);
  border-radius: 999px;
  color: var(--doom-text);
  background:
    radial-gradient(circle at 35% 30%, rgba(255,255,255,0.12), transparent 22%),
    rgba(4, 13, 10, 0.72);
  box-shadow:
    inset 0 0 18px rgba(0,0,0,0.42),
    0 0 14px rgba(53,240,154,0.055);
}

.mastermind-current button,
.mastermind-palette button {
  width: 100%;
  aspect-ratio: 1;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.mastermind-current button {
  background:
    radial-gradient(circle at 50% 45%, rgba(0,0,0,0.60), rgba(2,7,5,0.85) 58%, rgba(53,240,154,0.10) 62%, transparent 64%),
    rgba(3, 11, 8, 0.72);
}

.mastermind-current button.is-filled {
  border-color: rgba(255,255,255,0.20);
  box-shadow:
    inset 0 0 16px rgba(0,0,0,0.36),
    0 0 22px var(--mm-glow, rgba(53,240,154,0.16));
}

.mastermind-palette button:hover {
  border-color: rgba(53, 240, 154, 0.52);
  transform: translateY(-1px);
}

.mastermind-current button[data-mm-value="sun"],
.mastermind-palette button[data-mm-token="sun"],
.mastermind-peg[data-mm-token="sun"] {
  --mm-glow: rgba(244, 137, 95, 0.34);
  background:
    radial-gradient(circle at 35% 28%, rgba(255,255,255,0.42), transparent 18%),
    radial-gradient(circle at center, #f4895f, #a9452f 68%, #42150d);
}

.mastermind-current button[data-mm-value="green"],
.mastermind-palette button[data-mm-token="green"],
.mastermind-peg[data-mm-token="green"] {
  --mm-glow: rgba(149, 207, 146, 0.34);
  background:
    radial-gradient(circle at 35% 28%, rgba(255,255,255,0.36), transparent 18%),
    radial-gradient(circle at center, #95cf92, #4f8f57 68%, #17351d);
}

.mastermind-current button[data-mm-value="blue"],
.mastermind-palette button[data-mm-token="blue"],
.mastermind-peg[data-mm-token="blue"] {
  --mm-glow: rgba(54, 154, 204, 0.32);
  background:
    radial-gradient(circle at 35% 28%, rgba(255,255,255,0.36), transparent 18%),
    radial-gradient(circle at center, #369acc, #20618a 68%, #0b2638);
}

.mastermind-current button[data-mm-value="red"],
.mastermind-palette button[data-mm-token="red"],
.mastermind-peg[data-mm-token="red"] {
  --mm-glow: rgba(222, 50, 76, 0.32);
  background:
    radial-gradient(circle at 35% 28%, rgba(255,255,255,0.34), transparent 18%),
    radial-gradient(circle at center, #de324c, #8f2033 68%, #350a14);
}

.mastermind-current button[data-mm-value="white"],
.mastermind-palette button[data-mm-token="white"],
.mastermind-peg[data-mm-token="white"] {
  --mm-glow: rgba(248, 225, 111, 0.3);
  background:
    radial-gradient(circle at 35% 28%, rgba(255,255,255,0.5), transparent 18%),
    radial-gradient(circle at center, #f8e16f, #a88d2f 68%, #3d300b);
}

.mastermind-current button[data-mm-value="violet"],
.mastermind-palette button[data-mm-token="violet"],
.mastermind-peg[data-mm-token="violet"] {
  --mm-glow: rgba(150, 86, 162, 0.32);
  background:
    radial-gradient(circle at 35% 28%, rgba(255,255,255,0.38), transparent 18%),
    radial-gradient(circle at center, #9656a2, #61346d 68%, #24102a);
}

.mastermind-history {
  display: grid;
  gap: 0.65rem;
}

.mastermind-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  border: 1px solid rgba(53, 240, 154, 0.16);
  border-radius: var(--radius-lg);
  padding: 0.75rem;
  background: rgba(3, 11, 8, 0.46);
}

.mastermind-guess,
.mastermind-score {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.mastermind-peg {
  width: 2rem;
  height: 2rem;
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 999px;
  box-shadow:
    inset 0 0 10px rgba(0,0,0,0.36),
    0 0 12px var(--mm-glow, rgba(53,240,154,0.14));
}

.mastermind-score {
  width: 3.1rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.32rem;
}

.mastermind-score span {
  width: 1.15rem;
  height: 1.15rem;
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 999px;
  background: rgba(2,7,5,0.72);
  box-shadow: inset 0 0 8px rgba(0,0,0,0.42);
}

.mastermind-score .is-exact {
  border-color: rgba(53, 240, 154, 0.62);
  background: #35f09a;
  box-shadow: 0 0 12px rgba(53,240,154,0.36);
}

.mastermind-score .is-near {
  border-color: rgba(184, 163, 107, 0.56);
  background: #e8dcad;
  box-shadow: 0 0 12px rgba(184,163,107,0.24);
}

.wordle-board {
  display: grid;
  grid-template-rows: repeat(6, auto);
  gap: 0.5rem;
  width: 100%;
  max-width: 320px;
  margin: 0 auto 1rem;
}

.wordle-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.5rem;
}

.wordle-tile {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 1px solid rgba(53, 240, 154, 0.22);
  border-radius: var(--radius-md);
  color: var(--doom-text);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.055), transparent 30%),
    rgba(4, 13, 10, 0.72);
  font-size: clamp(1.35rem, 5vw, 2.35rem);
  font-weight: 900;
  text-transform: uppercase;
  box-shadow: inset 0 0 18px rgba(53,240,154,0.035);
}

.wordle-tile.is-filled {
  border-color: rgba(183,255,217,0.34);
}

.wordle-tile.is-correct,
.wordle-key.is-correct {
  border-color: rgba(53, 240, 154, 0.72);
  color: #06100c;
  background: #35f09a;
  box-shadow: 0 0 18px rgba(53,240,154,0.26);
}

.wordle-tile.is-present,
.wordle-key.is-present {
  border-color: rgba(184, 163, 107, 0.72);
  color: #11100a;
  background: #e8dcad;
}

.wordle-tile.is-absent,
.wordle-key.is-absent {
  color: rgba(231,255,241,0.48);
  border-color: rgba(143,255,194,0.10);
  background: rgba(2,7,5,0.80);
}

.wordle-keyboard {
  display: grid;
  gap: 0.45rem;
}

.wordle-keyboard-row {
  display: flex;
  justify-content: center;
  gap: 0.35rem;
}

.wordle-key {
  width: clamp(1.75rem, 6.5vw, 2.1rem);
  min-width: 0;
  min-height: 2.75rem;
  border: 1px solid rgba(53, 240, 154, 0.18);
  border-radius: var(--radius-md);
  color: var(--doom-text);
  background:
    linear-gradient(145deg, rgba(255,255,255,0.045), transparent 30%),
    rgba(4, 13, 10, 0.72);
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.wordle-key.is-wide {
  width: clamp(3.35rem, 12vw, 4.2rem);
  font-size: 0.85rem;
}

.wordle-key:hover {
  border-color: rgba(53, 240, 154, 0.46);
  transform: translateY(-1px);
}

@media (max-width: 760px) {
  .riddle-progress {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .memory-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sequence-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .memory-card {
    aspect-ratio: 1;
  }

  .mastermind-current {
    grid-template-columns: repeat(4, minmax(0, 3.6rem));
  }

  .mastermind-palette {
    grid-template-columns: repeat(6, minmax(0, 2.7rem));
  }

  .mastermind-row {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .wordle-key {
    width: clamp(1.35rem, 7.2vw, 1.65rem);
    min-height: 2.45rem;
    font-size: 0.86rem;
  }

  .wordle-key.is-wide {
    width: clamp(2.75rem, 14vw, 3.4rem);
  }
}