.my-custom-app-container {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    background-color: #f5f7f9;
    color: #4a5568;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    padding: 20px;
    box-sizing: border-box;
    direction: rtl;
    text-align: right;
}

.my-custom-app-container .container {
    background-color: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 650px;
    border: 1px solid #e2e8f0;
    margin-top: 30px;
}

.my-custom-app-container h2 {
    color: #2d3748;
    border-bottom: 2px solid #e2e8f0;
    padding-bottom: 12px;
    margin-bottom: 30px;
    font-size: 1.8rem;
    font-weight: 700;
}

.my-custom-app-container label {
    display: block;
    margin-bottom: 10px;
    font-weight: 600;
    color: #4a5568;
}

.my-custom-app-container input[type="text"],
.my-custom-app-container input[type="tel"] {
    width: 100%;
    padding: 14px;
    margin-bottom: 20px;
    border: 1px solid #cbd5e0;
    border-radius: 10px;
    box-sizing: border-box;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.my-custom-app-container input[type="text"]:focus,
.my-custom-app-container input[type="tel"]:focus {
    outline: none;
    border-color: #4c51bf;
    box-shadow: 0 0 0 3px rgba(76, 81, 191, 0.2);
}

.my-custom-app-container button {
    width: 100%;
    padding: 14px;
    margin-bottom: 15px;
    background-color: #4c51bf;
    color: white;
    cursor: pointer;
    border: none;
    border-radius: 10px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    box-shadow: 0 4px 10px rgba(76, 81, 191, 0.2);
}

.my-custom-app-container button:hover {
    background-color: #434190;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(76, 81, 191, 0.3);
}

.my-custom-app-container #login-message {
    font-size: 0.95rem;
    font-weight: bold;
    margin-top: -10px;
    margin-bottom: 15px;
}

.my-custom-app-container .course-item {
    background-color: #f7f9fc;
    border: 1px solid #e2e8f0;
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 20px;
    transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.my-custom-app-container .course-item:hover {
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.05);
    transform: translateY(-3px);
}

.my-custom-app-container .course-item h3 {
    margin-top: 0;
    color: #2d3748;
    font-size: 1.5rem;
    font-weight: 600;
}

.my-custom-app-container .course-item ul {
    list-style: none;
    padding: 0;
    margin-top: 15px;
}

.my-custom-app-container .course-item li {
    background-color: #ffffff;
    border: 1px solid #cbd5e0;
    padding: 12px;
    margin-bottom: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease;
    font-size: 1rem;
}

.my-custom-app-container .course-item li:hover {
    transform: translateY(-2px);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    background-color: #f0f4f7;
}

.my-custom-app-container .question-item {
    background-color: #f7f9fc;
    border: 1px solid #e2e8f0;
    padding: 25px;
    border-radius: 12px;
    margin-bottom: 25px;
}

.my-custom-app-container .question-item h4 {
    margin-top: 0;
    margin-bottom: 20px;
    color: #2c5282;
    font-size: 1.25rem;
    font-weight: 600;
    line-height: 1.6;
}

.my-custom-app-container .options-container {
    display: flex;
    flex-direction: column;
}

.my-custom-app-container .option-label {
    display: flex;
    align-items: center;
    background-color: #ffffff;
    border: 1px solid #cbd5e0;
    padding: 15px;
    margin-bottom: 10px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.my-custom-app-container .option-label:hover {
    background-color: #f0f4f7;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.my-custom-app-container .option-label input[type="radio"] {
    width: auto;
    margin-left: 15px;
    cursor: pointer;
}

.my-custom-app-container .correct-answer {
    color: #279e48;
    font-weight: bold;
    background-color: #e6ffed;
    border-color: #b2f5b9;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}

.my-custom-app-container .incorrect-answer {
    color: #de3535;
    font-weight: bold;
    background-color: #ffe8e8;
    border-color: #fbd3d3;
    padding: 10px;
    border-radius: 8px;
    margin-bottom: 10px;
}