:root {
  --dark-choco: #4e2a1f;
  --milk-choco: #7b3f00;
  --cocoa: #8b5a2b;
  --bar: #6a4f3a;
  --cream: #f5e1c8;
  --caramel: #f8d9a7;
  --dark-border: #3b1e14;
}

* { box-sizing: border-box; }

body {
  font-family: 'Georgia', serif;
  background-color: var(--dark-choco);
  color: var(--cream);
  text-align: center;
  margin: 0; padding: 24px 16px 60px;
}

h1, h2 { color: var(--caramel); margin: 8px 0 12px; }
.subtitle { opacity: 0.9; margin-bottom: 18px; }

.game-card {
  width: min(720px, 92vw);
  margin: 0 auto 28px; padding: 20px;
  border: 5px solid var(--dark-border); border-radius: 16px;
  background: linear-gradient(155deg, #5d3a1a 0%, #3c2118 100%);
  box-shadow: 0 10px 24px rgba(0,0,0,0.35);
}

.controls { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; width: min(520px, 92%); margin: 0 auto 14px; }
.status { border: 2px solid var(--dark-border); background: var(--cocoa); border-radius: 12px; padding: 10px 14px; font-weight: bold; }
.toolbar { display: flex; gap: 10px; justify-content: center; }

button, select, input[type="checkbox"] {
  border-radius: 10px; border: 2px solid var(--dark-choco);
  background: var(--bar); color: #fff; font-weight: 700; cursor: pointer; padding: 10px 14px; font-family: 'Georgia', serif;
}
button:hover { background: var(--dark-choco); }
button:disabled { opacity: .6; cursor: not-allowed; }

/* Board */
table.tic-tac-toe {
  width: 320px; margin: 16px auto 10px; border-collapse: collapse;
  background-color: var(--milk-choco); border: 5px solid var(--dark-choco); user-select: none;
}
/* Cells */
.tic-tac-toe td {
  width: 60px;
  height: 60px;
  border: 2px solid var(--dark-border);
  background-color: #5d3a1a;
  text-align: center;
  vertical-align: middle;          /* keeps emoji centered vertically */
  font-size: 32px;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform 120ms ease, background-color 160ms ease;

  /* ensure emojis render across platforms */
  font-family: "Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji",
               "Twemoji Mozilla","EmojiOne Color","Android Emoji", sans-serif;
  color: #fff;
}

.tic-tac-toe td:focus { outline: 3px solid var(--caramel); outline-offset: -3px; }
.tic-tac-toe td:hover { transform: scale(1.03); }
.tic-tac-toe td.filled { cursor: default; }
.tic-tac-toe td.winner { background: #7a4a22; box-shadow: inset 0 0 0 3px var(--caramel); }

.legend { margin-top: 8px; opacity: .9; }

/* Scoreboard */
.scoreboard { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-top: 14px; }
.scoreboard .score { background: var(--milk-choco); border: 3px solid var(--dark-border); border-radius: 12px; padding: 10px; }
.scoreboard .score span { display: block; font-size: 14px; opacity: .9; margin-bottom: 6px; }
.scoreboard .score strong { font-size: 22px; }

/* Forms */
.form-container {
  width: min(760px, 92vw); margin: 20px auto; padding: 20px;
  border: 5px solid var(--dark-border); border-radius: 12px; background-color: var(--cocoa);
}
input, select {
  margin: 10px 0; padding: 8px; width: 80%;
  border-radius: 8px; border: 2px solid var(--dark-choco);
  background-color: var(--caramel); font-family: 'Georgia', serif; font-size: 16px;
}

.radio-group { display: flex; justify-content: center; align-items: center; gap: 100px; flex-wrap: nowrap; }
.radio-group label { display: flex; align-items: center; gap: 8px; font-size: 16px; }
.radio-group input {
  margin: 0; transform: scale(1.2); -webkit-appearance: none; appearance: none;
  width: 18px; height: 18px; border: 2px solid var(--bar);
  border-radius: 50%; outline: none; display: inline-block; position: relative; background-color: white;
}
.radio-group input:checked { background-color: var(--bar); }
.radio-group input:checked::before {
  content: ""; width: 10px; height: 10px; background-color: #fff;
  border-radius: 50%; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
}

footer { margin-top: 22px; opacity: .8; font-size: 14px; }