:root {
  color-scheme: light;
  --ink: #202124;
  --muted: #69717a;
  --paper: #f3f0e8;
  --panel: #fffdfa;
  --wood: #9b6c3f;
  --wood-dark: #5f3f25;
  --wood-light: #c9955e;
  --pit: #f0ddbd;
  --stone-a: #2f80a8;
  --stone-b: #d95043;
  --stone-c: #e3b44d;
  --stone-d: #5b9367;
  --shadow: 0 22px 50px rgba(48, 33, 18, 0.18);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    linear-gradient(135deg, rgba(227, 180, 77, 0.18), transparent 34%),
    linear-gradient(225deg, rgba(47, 128, 168, 0.14), transparent 44%),
    var(--paper);
  color: var(--ink);
}

button {
  border: 0;
  font: inherit;
  cursor: pointer;
}

.app-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
  min-height: 100vh;
  padding: 16px;
}

.app-shell.mentor-off {
  grid-template-columns: minmax(0, 1fr);
}

.app-shell.mentor-off .game-panel {
  width: 100%;
}

.game-panel,
.mentor-panel {
  background: rgba(255, 253, 250, 0.92);
  border: 1px solid rgba(207, 194, 174, 0.9);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.game-panel {
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  min-width: 0;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 24px 26px 14px;
}

.eyebrow {
  margin: 0 0 6px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(2.4rem, 5vw, 4.8rem);
  line-height: 0.96;
}

h2 {
  font-size: 1.55rem;
}

.controls {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.controls button {
  min-height: 42px;
  border-radius: 8px;
  padding: 0 14px;
  background: #eee4d4;
  color: var(--ink);
  font-weight: 900;
}

.controls button.active {
  background: var(--ink);
  color: #fffdfa;
}

.status-strip {
  margin: 0 26px 14px;
  padding: 12px 14px;
  border-radius: 8px;
  background: #eee4d4;
  color: var(--muted);
  font-weight: 850;
}

.status-strip.good {
  background: rgba(91, 147, 103, 0.18);
  color: #2f6139;
}

.status-strip.warn {
  background: rgba(217, 80, 67, 0.14);
  color: #873329;
}

.board-wrap {
  display: grid;
  place-items: center;
  min-height: 0;
  padding: 14px 26px 28px;
}

.mancala-board {
  display: grid;
  grid-template-columns: 1.05fr repeat(6, 1fr) 1.05fr;
  grid-template-rows: repeat(2, minmax(130px, 1fr));
  gap: 12px;
  width: min(980px, 100%);
  min-height: 330px;
  padding: 18px;
  border: 8px solid var(--wood-dark);
  border-radius: 18px;
  background:
    linear-gradient(120deg, rgba(255, 255, 255, 0.16), transparent 40%),
    linear-gradient(90deg, var(--wood-light), var(--wood), var(--wood-light));
}

.pit,
.store {
  position: relative;
  display: grid;
  place-items: center;
  min-width: 0;
  border-radius: 999px;
  background: radial-gradient(circle at 50% 38%, #f7e9cf, var(--pit) 64%, #bd8953 100%);
  box-shadow: inset 0 7px 18px rgba(85, 54, 23, 0.25), 0 4px 8px rgba(53, 34, 17, 0.18);
}

.store {
  grid-row: 1 / span 2;
  border-radius: 44px;
}

.store.player-two {
  grid-column: 1;
}

.store.player-one {
  grid-column: 8;
}

.pit.player-two {
  grid-row: 1;
}

.pit.player-one {
  grid-row: 2;
}

.pit.legal {
  outline: 4px solid rgba(47, 128, 168, 0.45);
  outline-offset: 3px;
}

.pit.legal:hover {
  transform: translateY(-2px);
}

.pit.active-drop,
.store.active-drop {
  outline: 5px solid rgba(227, 180, 77, 0.72);
  outline-offset: 2px;
  animation: soft-drop 220ms ease-out;
}

@keyframes soft-drop {
  0% {
    transform: scale(0.98);
    filter: brightness(1);
  }

  55% {
    transform: scale(1.025);
    filter: brightness(1.06);
  }

  100% {
    transform: scale(1);
    filter: brightness(1);
  }
}


.pit:disabled,
.store:disabled {
  cursor: default;
}

.pit-count,
.store-count {
  position: absolute;
  right: 9px;
  bottom: 7px;
  display: grid;
  place-items: center;
  min-width: 28px;
  height: 28px;
  border-radius: 999px;
  background: rgba(255, 253, 250, 0.86);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 950;
}

.pit-label,
.store-label {
  position: absolute;
  left: 10px;
  top: 8px;
  color: rgba(32, 33, 36, 0.64);
  font-size: 0.72rem;
  font-weight: 950;
  text-transform: uppercase;
}

.stones {
  position: relative;
  width: 82%;
  height: 78%;
}

.stone {
  position: absolute;
  width: 17px;
  height: 17px;
  border-radius: 999px;
  background: var(--stone-a);
  box-shadow: inset 0 3px 5px rgba(255, 255, 255, 0.32), inset 0 -3px 5px rgba(0, 0, 0, 0.14);
}

.stone:nth-child(4n + 2) {
  background: var(--stone-b);
}

.stone:nth-child(4n + 3) {
  background: var(--stone-c);
}

.stone:nth-child(4n + 4) {
  background: var(--stone-d);
}

.mentor-panel {
  padding: 24px 26px;
  line-height: 1.5;
}

.mentor-panel p {
  margin: 0 0 14px;
}

.rule-list {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid #ded1bd;
}

.mentor-hidden {
  display: none;
}

@media (max-width: 1120px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .game-panel {
    grid-template-rows: auto auto auto;
  }

  .board-wrap {
    min-height: auto;
  }
}

@media (max-width: 720px) {
  .app-shell {
    gap: 10px;
    padding: 8px;
  }

  .topbar {
    display: grid;
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 16px 14px 10px;
  }

  h1 {
    font-size: 2.15rem;
  }

  .controls {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    width: 100%;
  }

  .controls button {
    min-height: 40px;
    padding: 0 10px;
  }

  .status-strip {
    margin: 0 14px 10px;
    padding: 10px 12px;
    font-size: 0.95rem;
  }

  .board-wrap {
    padding: 8px 8px 16px;
    overflow: visible;
  }

  .mancala-board {
    grid-template-columns: 0.9fr repeat(6, minmax(0, 1fr)) 0.9fr;
    grid-template-rows: repeat(2, 86px);
    gap: 5px;
    width: 100%;
    min-width: 0;
    min-height: 0;
    padding: 8px;
    border-width: 6px;
    border-radius: 12px;
  }

  .store {
    border-radius: 26px;
  }

  .pit-label,
  .store-label {
    left: 5px;
    top: 5px;
    font-size: 0.55rem;
  }

  .pit-count,
  .store-count {
    right: 4px;
    bottom: 4px;
    min-width: 22px;
    height: 22px;
    font-size: 0.78rem;
  }

  .stones {
    width: 80%;
    height: 76%;
  }

  .stone {
    width: 11px;
    height: 11px;
  }

  .pit.legal {
    outline-width: 3px;
    outline-offset: 1px;
  }

  .pit.active-drop,
  .store.active-drop {
    outline-width: 3px;
    outline-offset: 1px;
  }

  .mentor-panel {
    padding: 20px;
  }
}


@media (max-width: 430px) {
  .mancala-board {
    grid-template-rows: repeat(2, 76px);
    gap: 4px;
    padding: 7px;
  }

  .pit-label,
  .store-label {
    font-size: 0.5rem;
  }

  .stone {
    width: 9px;
    height: 9px;
  }
}