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

/* Add Course Container */
.add-course-container {
    padding: 40px;
    text-align: center;
    margin-top: 3vh;
}

.add-course-container h1 {
    font-size: 2.5rem;
    color: #333;
    margin-bottom: 5vh;
}

/* Course Grid */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 10px;
}

/* Course Card */
.course-card {
    background-color: #F7F7F5;
    border-radius: 15px;
    box-shadow: rgba(50, 50, 93, 0.25) 0px 2px 5px -1px, rgba(0, 0, 0, 0.3) 0px 1px 3px -1px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease;
}

.course-card:hover {
    transform: scale(1.05);
}

/* Course Flag */
.course-flag {
    width: 120px !important;
    height: 80px !important; 
    margin-bottom: 25px;
    border-radius: 10px;
}

/* Add Course Button */
.add-course-btn {
    background-color: #229954;
    color: #fff;
    border: none;
    padding: 10px 20px;
    font-size: 1rem;
    border-radius: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.add-course-btn:hover {
    background-color: #10B981;
}


/* General Styles for All Screen Sizes */
.add-course-container {
    padding: 20px;
}

/* Mobile Styles */
@media only screen and (max-width: 600px) {
    .course-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .add-course-container h1 {
        margin-bottom: 2vh;
        font-size: 30px;
    }

    .course-card {
        padding: 15px;
        margin-bottom: 10px;
    }

    .course-flag {
        width: 80px;
        height: 50px;
    }

    .add-course-btn {
        padding: 8px 15px;
        font-size: 0.9rem;
    }
}

/* Tablet Styles */
@media only screen and (min-width: 600px) and (max-width: 1024px) {
    .course-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .add-course-container h1 {
        margin-bottom: 2vh;
        margin-top: 1vh;
    }

    .course-card {
        padding: 20px;
    }

    .course-flag {
        width: 90px;
        height: 60px;
    }

    .add-course-btn {
        padding: 10px 20px;
        font-size: 1rem;
    }
}

/* Desktop Styles */
@media only screen and (min-width: 1024px) {
    .course-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }

    .course-card {
        padding: 25px;
    }

    .course-flag {
        width: 100px;
        height: 70px;
    }

    .add-course-btn {
        padding: 12px 25px;
        font-size: 1.1rem;
    }
}

/* 4K Screen Styles */
@media only screen and (min-width: 2560px) {
    .course-grid {
        grid-template-columns: repeat(4, 1fr);
        gap: 40px;
    }

    .course-card {
        padding: 30px;
    }

    .course-flag {
        width: 150px;
        height: 100px;
    }

    .add-course-btn {
        padding: 15px 30px;
        font-size: 1.3rem;
    }
}