:root {
    --primary-color: #FF6F61; /* Coral */
    --secondary-color: #6B5B95; /* Amethyst */
    --accent-color: #88B04B; /* Pistachio */
    --background-light: #F8F8F8;
    --text-dark: #333;
    --text-light: #FFF;
    --game-background: #FFF;
    --border-radius-lg: 15px;
    --border-radius-sm: 8px;
    --box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    --button-hover-scale: 1.05;
    --transition-speed: 0.3s ease;
}

body {
    font-family: "Outfit", sans-serif;
     background-image: linear-gradient(to right, #93c5fd, #d3b4f2);
    color: var(--text-dark);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
    font-family: "Outfit", sans-serif;
    color: var(--secondary-color);
}

.navbar-brand {
    font-family: "Outfit", sans-serif;
    font-size: 1.3rem;
    color: var(--text-light) !important;
}

.navbar {
    background-image: rgb(59 130 246 / 0.5);
    box-shadow: var(--box-shadow);
}

/* Common game section styling */
.game-section {
    width: 100%;
    max-width: 800px;
    padding: 30px;
    /* border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow); */
    text-align: center;
    margin-top: 80px; /* Space for fixed navbar */
    margin-bottom: 20px;
}

.game-title {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 2.5rem;
}

.feedback-message {
    margin-top: 20px;
    font-size: 1.8rem;
    font-family: "Outfit", sans-serif;
}
.feedback-message.correct { color: var(--accent-color); }
.feedback-message.incorrect { color: var(--primary-color); }

.game-button, .action-button {
    background-color: var(--primary-color);
    color: var(--text-light);
    border: none;
    padding: 15px 30px;
    font-size: 1.5rem;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    margin: 10px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.game-button:hover, .action-button:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px) scale(var(--button-hover-scale));
}

/* Image/Option Grid Styles */
.image-grid img, .option-grid img, .color-box, .num-btn {
    width: 100%;
    max-width: 150px; /* Default for images */
    height: auto;
    background-color: #fff;
    border: 5px solid transparent;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: border-color var(--transition-speed), transform var(--transition-speed), box-shadow var(--transition-speed);
    margin: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.image-grid img:hover, .option-grid img:hover {
    border-color: var(--primary-color);
    transform: scale(1.03);
}

/* Specifics for Color Game */
.color-box {
    width: 120px;
    height: 120px;
    border-radius: var(--border-radius-lg);
    margin: 15px;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}
.color-box:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
}

/* Specifics for Number Game */
.num-btn {
    width: 70px;
    height: 70px;
    font-size: 2rem;
    background-color: var(--background-light);
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
}
.num-btn:hover {
    background-color: var(--secondary-color);
    color: var(--text-light);
    transform: scale(1.05);
}

/* Specifics for Varnamala/Shape Display */
.varnamala-letter, .shape-name, .multiplication-question {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
    text-transform: capitalize;
}

/* Specifics for Multiplication Game */
.multiplication-options .option-btn {
    background-color: var(--background-light);
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    font-size: 1.8rem;
    padding: 10px 25px;
    margin: 10px;
    border-radius: var(--border-radius-sm);
    transition: background-color var(--transition-speed), color var(--transition-speed), transform var(--transition-speed);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
}
.multiplication-options .option-btn:hover {
    background-color: var(--secondary-color);
    color: var(--text-light);
    transform: scale(1.05);
}
.multiplication-controls select {
    padding: 8px 15px;
    font-size: 1.2rem;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--secondary-color);
    margin-right: 15px;
}


/* Score Display */
.score-display {
    background-color: var(--secondary-color);
    color: var(--text-light);
    padding: 10px 20px;
    border-radius: var(--border-radius-lg);
    margin-top: 20px;
    font-size: 1.2rem;
    font-family: "Outfit", sans-serif;
    display: inline-block;
}

/* Feedback Animations */
.correct-answer-highlight {
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 15px var(--accent-color) !important;
}
.incorrect-answer-highlight {
    border-color: var(--primary-color) !important;
    box-shadow: 0 0 15px var(--primary-color) !important;
}

@keyframes highlightCorrect {
    0% { transform: scale(1); box-shadow: 0 0 0 rgba(0,255,0,0); }
    50% { transform: scale(1.1); box-shadow: 0 0 20px rgba(0,255,0,0.8); }
    100% { transform: scale(1); box-shadow: 0 0 0 rgba(0,255,0,0); }
}

@keyframes highlightIncorrect {
    0% { transform: scale(1); box-shadow: 0 0 0 rgba(255,0,0,0); }
    25% { transform: translateX(-5px) scale(1.02); }
    50% { transform: translateX(5px) scale(1.02); box-shadow: 0 0 20px rgba(255,0,0,0.8); }
    75% { transform: translateX(-5px) scale(1.02); }
    100% { transform: translateX(0) scale(1); box-shadow: 0 0 0 rgba(255,0,0,0); }
}
.highlight-correct { animation: highlightCorrect 1s forwards; }
.highlight-incorrect { animation: highlightIncorrect 1s forwards; }

/* Index Page specific styles */
.game-selection-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    max-width: 900px;
    width: 100%;
    padding: 0 15px;
}

.game-nav-btn {
    background-color: var(--secondary-color);
    color: var(--text-light);
    border-radius: var(--border-radius-lg);
    padding: 25px;
    font-size: 1.5rem;
    font-family: "Outfit", sans-serif;
    box-shadow: var(--box-shadow);
    transition: background-color var(--transition-speed), transform var(--transition-speed);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none; /* Remove underline */
}

.game-nav-btn i {
    font-size: 3rem;
    margin-bottom: 10px;
    color: var(--primary-color); /* Icon color */
}

.game-nav-btn:hover {
    background-color: var(--primary-color);
    color: var(--text-light);
    transform: translateY(-5px) scale(1.02);
    text-decoration: none; /* Keep no underline on hover */
}

@media (max-width: 768px) {
    .game-title {
        font-size: 1.5rem;
    }
    .game-section {
        padding: 20px;
        margin-top: 70px;
    }
    .game-button, .action-button {
        font-size: 1.2rem;
        padding: 10px 20px;
    }
    .image-grid img, .option-grid img, .color-box, .num-btn {
        max-width: 100px;
    }
    .color-box {
        width: 80px;
        height: 80px;
    }
    .num-btn {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    .varnamala-letter, .shape-name, .multiplication-question {
        font-size: 2rem;
    }
    .game-selection-grid {
        grid-template-columns: 1fr; /* Stack buttons on small screens */
    }
    .game-nav-btn {
        font-size: 1.2rem;
        padding: 20px;
    }
    .game-nav-btn i {
        font-size: 2.5rem;
    }
}