:root {
    --color-correct: #6aaa64;
    --color-present: #c9b458;
    --color-absent: #787c7e;
    --color-border: #d3d6da;
    --color-text: #1a1a1b;
    --key-bg: #d3d6da;
    --key-text: #1a1a1b;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
    background-color: #ffffff;
    color: var(--color-text);
}

#game-container {
    width: 100%;
    max-width: 500px;
    height: 100%;
    display: flex;
    flex-direction: column;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid var(--color-border);
}

h1 {
    font-size: 36px;
    font-weight: 700;
    letter-spacing: 0.2rem;
    margin: 10px 0;
}

#new-game-btn {
    padding: 8px 16px;
    background-color: var(--color-correct);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

#board-container {
    flex-grow: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 10px;
}

#board {
    display: grid;
    grid-template-rows: repeat(6, 1fr);
    grid-gap: 5px;
    width: 350px;
    height: 420px;
}

.row {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-gap: 5px;
}

.tile {
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-border);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2rem;
    font-weight: bold;
    text-transform: uppercase;
    user-select: none;
}

.tile[data-state="active"] {
    border-color: #878a8c;
}

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

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

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

#message-container {
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: bold;
    font-size: 1.2rem;
}

#keyboard {
    padding: 10px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.keyboard-row {
    display: flex;
    justify-content: center;
    gap: 6px;
}

.key {
    background-color: var(--key-bg);
    color: var(--key-text);
    border: none;
    border-radius: 4px;
    padding: 15px 0;
    flex: 1;
    font-weight: bold;
    cursor: pointer;
    text-transform: uppercase;
    user-select: none;
}

.key.large {
    flex: 1.5;
    font-size: 0.8rem;
}

.key.correct {
    background-color: var(--color-correct);
    color: white;
}

.key.present {
    background-color: var(--color-present);
    color: white;
}

.key.absent {
    background-color: var(--color-absent);
    color: white;
}

.spacer {
    flex: 0.5;
}