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

body {
    font-family: "M PLUS Rounded 1c", sans-serif;
    background-color: #FCF9EA;
    color: #333333;
    min-height: 100vh;
    padding: 10px;
    overflow-x: hidden;
}

/* Screen management */
.screen {
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container {
    max-width: 100%;
    width: 100%;
    text-align: center;
    padding: 0 10px;
}

/* Welcome text */
.welcome-text {
    font-size: 1rem;
    color: #666666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Learning menu */
.learning-menu {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
    max-width: 100%;
    margin-left: auto;
    margin-right: auto;
}

.menu-card {
    background-color: white;
    border-radius: 15px;
    padding: 1.2rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.7rem;
    position: relative;
}

.menu-card:not(.coming-soon):hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 16px rgba(186, 223, 219, 0.4);
    background-color: #BADFDB;
}

.menu-card:not(.coming-soon):active {
    transform: translateY(-2px);
}

/* Coming soon cards */
.menu-card.coming-soon {
    opacity: 0.6;
    cursor: not-allowed;
    position: relative;
}

.coming-soon-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: #FFA4A4;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Card icons */
.card-icon {
    width: 70px;
    height: auto;
}

.card-icon.grayed {
    filter: grayscale(100%);
}

.card-icons {
    display: flex;
    gap: 0.3rem;
    justify-content: center;
    align-items: center;
}

.card-icon-small {
    width: 45px;
    height: auto;
}

.card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: #333333;
}

.card-desc {
    font-size: 0.85rem;
    color: #666666;
}

/* Daily stats */
.daily-stats {
    margin-top: 1rem;
    font-size: 0.75rem;
    color: #aaa;
    text-align: center;
}

/* Responsive design */
@media (max-width: 600px) {
    .learning-menu {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .card-icon {
        width: 80px;
    }

    .card-icon-small {
        width: 50px;
    }

    .card-title {
        font-size: 1.3rem;
    }

    .card-desc {
        font-size: 0.9rem;
    }
}