:root {
  --paper: #fbf6e8;
  --paper-shadow: rgba(77, 63, 34, 0.12);
  --line: rgba(79, 130, 202, 0.26);
  --margin-line: rgba(214, 86, 74, 0.55);
  --ink: #1d57a6;
  --ink-dark: #153d72;
  --text: #433728;
  --accent: #dfc07a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Rubik", "Trebuchet MS", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.7), transparent 35%),
    linear-gradient(180deg, #d9c8a5 0%, #c1aa7a 100%);
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
}

.page {
  width: min(980px, 100%);
  min-height: min(92vh, 900px);
  background:
    linear-gradient(
      90deg,
      transparent 0,
      transparent 76px,
      var(--margin-line) 76px,
      var(--margin-line) 79px,
      transparent 79px
    ),
    repeating-linear-gradient(
      180deg,
      transparent 0,
      transparent 35px,
      var(--line) 35px,
      var(--line) 37px
    ),
    var(--paper);
  border-radius: 18px;
  box-shadow:
    0 20px 40px var(--paper-shadow),
    inset 0 0 0 1px rgba(255, 255, 255, 0.65);
  padding: 40px 32px 28px 108px;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 20px;
  position: relative;
  overflow: hidden;
}

.page::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.2), transparent 25%),
    radial-gradient(circle at 20% 10%, rgba(255, 255, 255, 0.12), transparent 20%);
  pointer-events: none;
}

.header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: start;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--ink-dark);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.95rem;
}

h1 {
  margin: 0;
  font-size: clamp(2.8rem, 4vw, 4.8rem);
  color: var(--ink);
  line-height: 0.95;
  transform: rotate(-1.5deg);
}

.instructions {
  max-width: 48ch;
  font-size: 1.15rem;
  margin: 12px 0 0;
}

.hud {
  display: grid;
  grid-template-columns: repeat(3, minmax(90px, 1fr));
  gap: 12px;
  min-width: min(100%, 320px);
}

.stat {
  background: rgba(255, 250, 240, 0.72);
  border: 2px dashed rgba(29, 87, 166, 0.3);
  border-radius: 14px;
  padding: 10px 14px;
  text-align: center;
  transform: rotate(1deg);
}

.label {
  display: block;
  font-size: 0.9rem;
  color: rgba(21, 61, 114, 0.8);
}

.value {
  display: block;
  margin-top: 4px;
  font-size: 1.4rem;
  color: var(--ink);
}

.board-wrap {
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 14px;
  min-height: 0;
}

.message {
  min-height: 32px;
  font-size: 1.15rem;
  color: var(--ink-dark);
}

.level-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.4rem, 2.4vw, 2.1rem);
  transform: rotate(-1deg);
}

.board {
  display: grid;
  place-content: center;
  place-items: center;
  gap: 0;
  padding: 16px;
  min-height: 420px;
  border: 3px solid rgba(29, 87, 166, 0.18);
  border-radius: 20px;
  background: rgba(255, 254, 250, 0.38);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.65);
}

.cell {
  font-family: "Bradley Hand", "Segoe Print", "Comic Sans MS", cursive;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-size: var(--cell-size, 28px);
  line-height: 1;
  width: calc(var(--cell-size, 28px) * 1.08);
  height: calc(var(--cell-size, 28px) * 1.18);
  cursor: pointer;
  transform: rotate(var(--tilt, 0deg));
  opacity: 0.96;
  transition: transform 120ms ease, color 120ms ease;
}

.cell:hover,
.cell:focus-visible {
  color: var(--ink-dark);
  transform: rotate(var(--tilt, 0deg)) scale(1.15);
  outline: none;
}

.cell.wrong {
  color: rgba(29, 87, 166, 0.72);
}

.controls {
  display: flex;
  gap: 12px;
  justify-content: flex-start;
  align-items: center;
}

.button {
  border: 2px solid rgba(21, 61, 114, 0.32);
  background: rgba(255, 248, 226, 0.95);
  color: var(--ink-dark);
  border-radius: 999px;
  padding: 12px 20px;
  font-size: 1.05rem;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(29, 87, 166, 0.08);
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.secondary {
  background: rgba(245, 239, 224, 0.8);
}

@media (max-width: 820px) {
  .page {
    padding: 32px 20px 24px 78px;
  }

  .header {
    grid-template-columns: 1fr;
    display: grid;
  }

  .hud {
    min-width: 0;
  }

  .board {
    min-height: 360px;
    overflow: auto;
    justify-content: start;
    align-content: start;
  }
}

@media (max-width: 520px) {
  body {
    padding: 12px;
  }

  .page {
    padding: 24px 14px 18px 54px;
    border-radius: 14px;
  }

  .instructions,
  .message {
    font-size: 1rem;
  }

  .controls {
    flex-wrap: wrap;
  }
}