/* ========= Variables ========= */
:root {
  --bg: #4a3c2a;
  --card: #5c4a35;
  --text: #d4c5a9;
  --muted: #8a7a6a;
  --x: #ff6b35;
  --o: #6bff35;
  --ring: rgba(100,80,60,0.4);
}

* { box-sizing: border-box; font-family: 'Courier New', monospace; }

/* ========= Background (unfriendly color) ========= */
body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  color: var(--text);
  background: var(--bg);
}

/* ========= Accessibility ========= */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

/* ========= Screens (no transitions) ========= */
.screen {
  display: none;
  width: 100%;
  max-width: 420px;
  padding: 20px 30px;
  text-align: center;
}
.screen.active { display: block; }

.title { margin: 5px 0 15px; font-size: 24px; font-weight: 600; }
.muted { color: var(--muted); }
.small { display: block; margin-top: 15px; font-size: 11px; }

/* ========= Welcome Screen (boring) ========= */
#welcomeScreen h1 {
  font-size: 28px;
  margin: 40px 0 10px;
  font-weight: normal;
}

#welcomeScreen p {
  font-size: 14px;
  margin: 10px 0 30px;
  color: var(--muted);
}

#welcomeScreen .btn {
  margin-top: 20px;
}

/* ========= Session scoreboard (minimal, during gameplay) ========= */
.session-score {
  font-size: 13px;
  margin-bottom: 10px;
  color: var(--muted);
}

.session-score span {
  margin-right: 12px;
}

/* ========= Buttons (reduced feedback, inconsistent spacing) ========= */
.btn {
  width: 100%;
  padding: 11px 10px;
  margin-top: 8px;
  margin-bottom: 5px;
  border: 1px solid var(--ring);
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  background: var(--text);
  color: var(--bg);
}
.btn:hover { background: rgba(220,200,180,0.9); }
.btn:focus-visible { outline: 1px solid var(--x); outline-offset: 1px; }

.btn-secondary {
  background: rgba(100,80,60,0.2);
  color: var(--text);
  border: 1px solid var(--ring);
}

.hidden { display: none !important; }

#modeMainRow {
  display: flex;
  flex-direction: column;
  gap: 0;
}
#modeMainRow .btn { margin-top: 10px; margin-bottom: 8px; }

/* ========= Difficulty panel (bad design - cramped, unclear) ========= */
.bad-difficulty-panel {
  margin-top: 8px;
  padding: 6px 0;
  border-top: 1px dashed var(--muted);
  text-align: left;
}

.bad-difficulty-prompt {
  font-size: 11px;
  margin: 0 0 4px 2px;
  color: var(--muted);
  text-transform: lowercase;
  font-weight: normal;
}

.bad-difficulty-btn {
  padding: 6px 8px;
  margin: 3px 0;
  font-size: 12px;
  width: auto;
  min-width: 80px;
  display: inline-block;
  margin-right: 6px;
}

.bad-back-btn {
  margin-top: 10px;
  font-size: 11px;
  padding: 5px 8px;
  width: auto;
}

/* ========= Board (poor layout - stretched rectangles) ========= */
.board-container {
  position: relative;
  margin-top: 10px;
  width: 100%;
  aspect-ratio: 1.4;
}

.board {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px 6px;
  width: 100%;
  height: 100%;
  position: relative;
}

.win-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  opacity: 0;
}

.win-line.visible {
  opacity: 0.2;
}

.win-line line {
  opacity: 0.3;
  stroke-dasharray: 10 5;
}

.cell {
  background: var(--card);
  border: 2px solid var(--ring);
  border-radius: 4px;
  display: grid;
  place-items: center;
  font-size: clamp(38px, 10vw, 60px);
  font-weight: 700;
  cursor: pointer;
  user-select: none;
  aspect-ratio: 0.8;
}
.cell:hover { background: rgba(100,80,60,0.2); }
.cell:focus-visible { outline: 1px solid var(--x); outline-offset: 1px; }
.cell.disabled { pointer-events: none; opacity: 0.9; }
.cell.x { color: var(--x); }
.cell.o { color: var(--o); }

/* Draw state (minimal feedback) */
.cell.draw-cell {
  border-color: var(--muted);
  opacity: 0.8;
}

/* Winning line highlight (reduced) */
.cell.win {
  border-color: rgba(200,180,150,0.3);
}

/* ========= Result (poor layout) ========= */
.result-container {
  margin: 15px 0 20px;
  text-align: left;
}

.result-text {
  display: inline-block;
  font-size: 19px;
  font-weight: 600;
  margin-right: 8px;
}

.score-inline {
  display: inline-block;
  font-size: 12px;
  vertical-align: middle;
  margin-top: 3px;
}

.score-label {
  margin-right: 4px;
  opacity: 0.7;
}

.score-val {
  margin: 0 3px;
  padding: 1px 3px;
  background: rgba(100,80,60,0.2);
  border-radius: 2px;
}