@import url('https://fonts.googleapis.com/css2?family=Fredoka+One&family=Nunito:wght@400;700&display=swap');

:root {
    --bg-color: #f5f5f5;
    --text-color: #333;
    --card-bg: #fff;
    --grid-bg: #333;
    --cell-bg: #fff;
    --die-bg: #fff;
    --die-border: #333;
    --button-bg: #4CAF50;
    --button-hover: #45a049;
    --valid-word-bg: #e8f5e9;
    --valid-word-color: #388e3c;
    --invalid-word-bg: #ffebee;
    --invalid-word-color: #d32f2f;
    --highlight-color: #ffcdd2;
    --dice-tray-bg: #e0e0e0;
}

body {
    font-family: 'Nunito', sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 10px;
    background-color: var(--bg-color);
    color: var(--text-color);
    touch-action: manipulation;
}
h1 {
    text-align: center;
    color: var(--text-color);
    margin: 10px 0;
    font-family: 'Fredoka One', cursive;
    letter-spacing: 0.5px;
}

h2, h3 {
    font-family: 'Fredoka One', cursive;
    letter-spacing: 0.5px;
    color: var(--text-color);
}

.game-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 16px;
    max-width: 800px;
    margin: 0 auto;
}

.instructions {
    background-color: var(--card-bg);
    padding: 16px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.instructions p {
    line-height: 1.5;
    margin: 8px 0;
}

.dice-tray {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-bottom: 10px;
    min-height: 60px;
    padding: 12px;
    background-color: var(--dice-tray-bg);
    border-radius: 8px;
    box-shadow: inset 0 2px 5px rgba(0,0,0,0.1);
}
.grid-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 10px;
}

.game-grid {
    display: grid;
    grid-template-columns: repeat(10, minmax(30px, 40px));
    grid-template-rows: repeat(10, minmax(30px, 40px));
    gap: 2px;
    background-color: var(--grid-bg);
    padding: 2px;
    border-radius: 8px;
    overflow-x: auto;
    max-width: 100%;
    margin: 0 auto;
}

@media (max-width: 480px) {
    .game-grid {
        grid-template-columns: repeat(10, minmax(25px, 30px));
        grid-template-rows: repeat(10, minmax(25px, 30px));
    }
    
    .die {
        font-size: 16px;
    }
}

@media (min-width: 768px) {
    .game-container {
        max-width: 600px;
        margin: 0 auto;
    }
}

@media (min-width: 1024px) {
    .game-container {
        max-width: 800px;
    }
}
.grid-cell {
    aspect-ratio: 1/1;
    width: 100%;
    height: 100%;
    background-color: var(--cell-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    cursor: pointer;
}

.die {
    width: 90%;
    height: 90%;
    max-width: 40px;
    max-height: 40px;
    background: linear-gradient(145deg, var(--die-bg), #f0f0f0);
    border: 2px solid var(--die-border);
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1), 
                inset 0 1px 3px rgba(255,255,255,0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: clamp(14px, 4vw, 20px);
    font-weight: bold;
    font-family: 'Fredoka One', cursive;
    cursor: grab;
    user-select: none;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.die:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.15);
}

.die.selected {
    background-color: #ffd700;
}

.die.placed {
    background: linear-gradient(145deg, #e3f2fd, #bbdefb);
    border-color: #1976d2;
}

.die:active {
    cursor: grabbing;
    transform: scale(1.05) translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
    z-index: 100;
}

@keyframes placeDie {
    0% { transform: scale(1.2); opacity: 0.7; }
    100% { transform: scale(1); opacity: 1; }
}

.die.just-placed {
    animation: placeDie 0.3s ease-out;
}
.controls {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 16px 0;
}

button {
    padding: 10px 20px;
    background-color: var(--button-bg);
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 16px;
    font-weight: bold;
    font-family: 'Nunito', sans-serif;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

button:hover {
    background-color: var(--button-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

button:active {
    transform: translateY(0);
    box-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

button:disabled {
    background-color: #cccccc;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}
.message {
    text-align: center;
    margin-top: 10px;
    min-height: 20px;
    font-weight: bold;
    font-family: 'Nunito', sans-serif;
    font-size: 1.1em;
}

.error {
    color: var(--invalid-word-color);
}

.success {
    color: var(--valid-word-color);
}

.word-list {
    margin-top: 10px;
    background-color: var(--card-bg);
    padding: 16px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.word-list h3 {
    margin-top: 0;
}

.words {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    max-height: 200px;
    overflow-y: auto;
    padding: 8px 0;
}

.word-item {
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: transform 0.2s ease;
    animation: fadeIn 0.3s ease-out;
}

.word-item:hover {
    transform: scale(1.05);
}

.word-valid {
    background-color: var(--valid-word-bg);
    color: var(--valid-word-color);
}

.word-invalid {
    background-color: var(--invalid-word-bg);
    color: var(--invalid-word-color);
    text-decoration: line-through;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}
.loading {
    text-align: center;
    margin-top: 20px;
}

.grid-cell.highlight {
    background-color: var(--highlight-color);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0% { background-color: var(--highlight-color); }
    50% { background-color: #ef9a9a; }
    100% { background-color: var(--highlight-color); }
}

.die.valid-word {
    background: linear-gradient(145deg, #c8e6c9, #a5d6a7);
    border-color: #4caf50;
    box-shadow: 0 0 5px rgba(76, 175, 80, 0.5);
}

.die.invalid-word {
    background: linear-gradient(145deg, #ffcdd2, #ef9a9a);
    border-color: #f44336;
    box-shadow: 0 0 5px rgba(244, 67, 54, 0.5);
}

.die.two-letter-word {
    background: linear-gradient(145deg, #ff8a80, #ff5252);
    border-color: #d50000;
    box-shadow: 0 0 5px rgba(213, 0, 0, 0.5);
}

@keyframes validWordPulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); box-shadow: 0 0 8px rgba(76, 175, 80, 0.6); }
    100% { transform: scale(1); }
}

@keyframes invalidWordShake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-3px); }
    75% { transform: translateX(3px); }
}

.die.valid-word.animated {
    animation: validWordPulse 0.6s ease-in-out;
}

.die.invalid-word.animated {
    animation: invalidWordShake 0.4s ease-in-out;
}

.share-button {
    display: block;
    margin: 10px auto;
    padding: 8px 15px;
    background-color: #2196F3;
    color: white;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    font-family: 'Nunito', sans-serif;
    font-weight: 700;
    letter-spacing: 0.5px;
    transition: all 0.2s ease;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.share-button:hover {
    background-color: #0b7dda;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}