/* متغیرهای رنگی برای تم سفید و جذاب */
:root {
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --dark-gray: #333333;
    --gold: #ffca28;
    --blue: #0288d1;
    --turquoise: #40c4ff;
    --dark-brown: #5d4037;
    --error-red: #d32f2f;
    --gradient: linear-gradient(135deg, #0288d1, #ffca28);
}

/* تنظیمات کلی */
.auth-section {
    padding: 60px 20px;
    text-align: center;
    max-width: 1400px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
}

/* ظرف فرم */
.auth-container {
    max-width: 500px;
    margin: 0 auto;
    padding: 30px;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.auth-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
}

/* عنوان */
.auth-container h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--blue);
    margin-bottom: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    animation: fadeIn 0.6s ease;
}

/* فرم */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--dark-gray);
    margin-bottom: 8px;
}

.form-group input {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--light-gray);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--dark-gray);
    background: var(--white);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--blue);
    box-shadow: 0 0 8px rgba(2, 136, 209, 0.2);
}

.form-group input::placeholder {
    color: #999;
}

/* ظرف کپچا */
.captcha-container {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.captcha-image {
    width: 240px; /* هماهنگ با ابعاد جدید تصویر کپچا */
    height: 80px; /* هماهنگ با ابعاد جدید تصویر کپچا */
    border-radius: 6px;
    border: 1px solid var(--light-gray);
    background-color: var(--white);
}

.captcha-container input {
    flex: 1;
    min-width: 100px;
    font-size: 1.2rem; /* فونت بزرگ‌تر برای ورودی کپچا */
}

.refresh-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    background: var(--blue);
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: background 0.3s ease, transform 0.3s ease;
}

.refresh-btn:hover {
    background: var(--gradient);
    transform: scale(1.02);
}

.refresh-btn:active {
    transform: scale(0.98);
}

/* دکمه ارسال */
.submit-btn {
    width: 100%;
    padding: 14px;
    border: none;
    border-radius: 50px;
    background: var(--gradient);
    color: var(--white);
    font-size: 1.1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.submit-btn:hover {
    transform: scale(1.02);
    box-shadow: 0 4px 12px rgba(255, 202, 40, 0.3);
}

.submit-btn:active {
    transform: scale(0.98);
}

/* پیام خطا */
.error {
    color: var(--error-red);
    font-size: 0.9rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(211, 47, 47, 0.1);
    padding: 10px;
    border-radius: 8px;
    animation: fadeIn 0.6s ease;
}

/* بخش پشتیبانی */
.support-section {
    margin-top: 20px;
    font-size: 1.1rem;
    color: var(--dark-gray);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.support-section a {
    color: var(--blue);
    text-decoration: none;
    transition: color 0.3s ease;
}

.support-section a:hover {
    color: var(--gold);
    text-decoration: underline;
}

.support-section i {
    font-size: 1.2rem;
    color: var(--gold);
}

/* انیمیشن‌ها */
@keyframes fadeIn {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

/* واکنش‌گرایی */
@media (max-width: 768px) {
    .auth-section {
        padding: 40px 15px;
    }

    .auth-container {
        padding: 20px;
        max-width: 100%;
    }

    .auth-container h2 {
        font-size: 1.8rem;
    }

    .form-group input {
        padding: 10px 14px;
        font-size: 0.95rem;
    }

    .submit-btn, .refresh-btn {
        padding: 12px;
        font-size: 1rem;
    }

    .captcha-container {
        flex-direction: column;
        gap: 8px;
    }

    .captcha-image {
        width: 200px;
        height: 70px;
    }

    .captcha-container input {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .auth-section {
        padding: 30px 10px;
    }

    .auth-container {
        padding: 15px;
    }

    .auth-container h2 {
        font-size: 1.6rem;
    }

    .form-group label {
        font-size: 1rem;
    }

    .form-group input {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .submit-btn, .refresh-btn {
        padding: 10px;
        font-size: 0.95rem;
    }

    .captcha-image {
        width: 180px;
        height: 60px;
    }

    .error {
        font-size: 0.85rem;
        padding: 8px;
    }

    .support-section {
        font-size: 0.95rem;
    }
}