body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background: linear-gradient(135deg, #f06d06, #f0b006, #e7e7e7); /* Sariq, oq, kulrang gradient */
    color: #333;
}

.captcha-container {
    background-color: #fff;
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    text-align: center;
    max-width: 450px;
    width: 90%;
    transform: scale(0.95);
    animation: fadeIn 0.5s ease-out forwards;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

h1 {
    color: #444;
    margin-bottom: 15px;
    font-size: 26px;
    font-weight: 600;
}

p {
    margin-bottom: 25px;
    font-size: 16px;
    color: #666;
}

.captcha-box {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    gap: 15px;
}

#captchaCanvas {
    background-color: #eee;
    border: 2px solid #ddd;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.1);
}

#refreshCaptcha {
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 12px 18px;
    font-size: 20px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.2);
}

#refreshCaptcha:hover {
    background-color: #0056b3;
    transform: translateY(-2px);
}

input[type="text"] {
    width: calc(100% - 40px);
    padding: 15px 20px;
    margin-bottom: 25px;
    border: 2px solid #ccc;
    border-radius: 8px;
    font-size: 18px;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

input[type="text"]:focus {
    border-color: #007bff;
    box-shadow: 0 0 8px rgba(0, 123, 255, 0.2);
    outline: none;
}

button#verifyCaptcha {
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 15px 30px;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 8px rgba(40, 167, 69, 0.2);
    margin-bottom: 20px;
}

button#verifyCaptcha:hover {
    background-color: #218838;
    transform: translateY(-2px);
}

#message {
    color: #dc3545;
    font-weight: bold;
    margin-top: -10px;
    margin-bottom: 20px;
    font-size: 16px;
    opacity: 0;
    transition: opacity 0.3s ease, color 0.3s ease;
}

#message.show {
    opacity: 1;
}

#message.success {
    color: #28a745;
}

#closeWindow {
    background-color: #6c757d;
    color: white;
    border: none;
    border-radius: 8px;
    padding: 15px 30px;
    font-size: 18px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 8px rgba(108, 117, 125, 0.2);
}

#closeWindow:hover {
    background-color: #5a6268;
    transform: translateY(-2px);
}

.hidden {
    display: none;
}