/* NYT Wordle color tokens */
:root {
  --color-tone-1: #1a1a1b;
  --color-tone-2: #787c7e;
  --color-tone-4: #d3d6da;
  --color-tone-7: #ffffff;
  --color-absent: #787c7e;
  --color-present: #c9b458;
  --color-correct: #6aaa64;
  --tile-text: #1a1a1b;
  --bg: #ffffff;
  --header-bg: #ffffff;
  --border: #d3d6da;
}

[data-theme="dark"] {
  --color-tone-1: #d7dadc;
  --color-tone-2: #818384;
  --color-tone-4: #3a3a3c;
  --color-tone-7: #121213;
  --color-absent: #3a3a3c;
  --color-present: #b59f3b;
  --color-correct: #538d4e;
  --tile-text: #d7dadc;
  --bg: #121213;
  --header-bg: #121213;
  --border: #3a3a3c;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Clear Sans', 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--color-tone-1);
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
}

header {
  width: 100%;
  max-width: 500px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  position: relative;
}

header h1 { font-size: 2rem; letter-spacing: 0.1rem; text-transform: uppercase; }

#theme-toggle {
  position: absolute;
  right: 16px;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

#board {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 30px 0;
}

.row {
  display: flex;
  gap: 5px;
}

.tile {
  width: 62px;
  height: 62px;
  border: 2px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s, border-color 0.15s;
  color: var(--tile-text);
}

.tile[data-state="empty"] {
  background: transparent;
  border-color: var(--border);
  color: var(--color-tone-1);
}

.tile[data-state="absent"] {
  background: var(--color-absent);
  border-color: var(--color-absent);
  color: #fff;
}

.tile[data-state="present"] {
  background: var(--color-present);
  border-color: var(--color-present);
  color: #fff;
}

.tile[data-state="correct"] {
  background: var(--color-correct);
  border-color: var(--color-correct);
  color: #fff;
}

.tile[data-state="error"] {
  background: #ff4444;
  border-color: #ff4444;
  color: #fff;
}