/* إعدادات عامة */
:root {
    --primary-color: #007bff;
    --success-color: #28a745;
    --juicy-color-1: #ff6b6b;
    --juicy-color-2: #feca57;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --border-radius: 12px;
}

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

body {
    font-family: 'Tajawal', sans-serif;
    color: var(--dark-color);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    /* --- الخلفية الديناميكية --- */
    background: linear-gradient(-45deg, #ee7752, #e73c7e, #23a6d5, #23d5ab);
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* --- حركة تغيير ألوان الخلفية --- */
@keyframes gradientShift {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

/* الرأس */
header {
    background-color: rgba(255, 255, 255, 0.9); /* خلفية شفافة */
    backdrop-filter: blur(10px); /* تأثير الضبابية */
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}

header h1 {
    font-size: 2.5rem;
    font-weight: 900;
    background: linear-gradient(45deg, var(--primary-color), var(--success-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#backButton {
    padding: 10px 20px;
    font-size: 1rem;
    font-family: 'Tajawal', sans-serif;
    font-weight: 700;
    color: #fff;
    background-color: var(--primary-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#backButton:hover {
    background-color: #0056b3;
}

/* المحتوى الرئيسي */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 40px 20px;
}

.payment-section {
    width: 100%;
    max-width: 600px;
    background-color: rgba(255, 255, 255, 0.85); /* خلفية شفافة */
    backdrop-filter: blur(10px); /* تأثير الزجاجية */
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
}

.payment-section h2 {
    margin-bottom: 30px;
    font-size: 1.8rem;
    color: var(--dark-color);
}

#payment-methods {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.payment-method {
    background-color: #fff;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    padding: 20px;
    width: 150px;
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
}

.payment-method:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    border-color: var(--primary-color);
}

.payment-method:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.payment-method img {
    width: 60px;
    height: auto;
}

.payment-method span {
    font-weight: 700;
    font-size: 1.1rem;
}

/* --- تنسيقات تفاصيل الدفع --- */
#zain-cash-details, #visa-details {
    margin-top: 30px;
    padding: 20px;
    background-color: #e9f5ff;
    border: 1px solid var(--primary-color);
    border-radius: var(--border-radius);
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateY(-20px);
}

#zain-cash-details:not(.hidden), #visa-details:not(.hidden) {
    opacity: 1;
    transform: translateY(0);
}

.number-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    margin-top: 10px;
}

#zain-cash-number, #visa-number {
    font-family: 'Courier New', Courier, monospace;
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
    user-select: all;
}

.copy-btn {
    padding: 8px 15px;
    font-size: 0.9rem;
    font-weight: 700;
    color: #fff;
    background-color: var(--success-color);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.copy-btn:hover {
    background-color: #218838;
}

/* --- تنسيقات حقول المستخدم --- */
#user-details-container {
    width: 100%;
    max-width: 500px;
    margin-top: 30px;
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

#user-details-container:not(.hidden) {
    opacity: 1;
    transform: scale(1);
}

.input-group {
    margin-bottom: 20px;
    text-align: right;
}

.input-group label {
    display: block;
    margin-bottom: 10px;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--dark-color);
}

.input-group input {
    width: 100%;
    padding: 15px;
    font-size: 1rem;
    font-family: 'Tajawal', sans-serif;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    text-align: center;
    transition: border-color 0.3s ease;
}

.input-group input:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* حاوية زر التلكرام */
#telegram-button-container {
    margin-top: 40px;
    opacity: 0;
    transform: scale(0.8);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

#telegram-button-container:not(.hidden) {
    opacity: 1;
    transform: scale(1);
}

#telegram-button-container.hidden {
    display: none;
}

#telegramLink {
    display: inline-block;
    padding: 15px 30px;
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    background-color: #0088cc;
    text-decoration: none;
    border-radius: 50px;
    transition: background-color 0.3s ease, transform 0.3s ease;
}

#telegramLink:hover {
    background-color: #0077b3;
    transform: scale(1.05);
}

/* التذييل */
footer {
    background: linear-gradient(to left, var(--juicy-color-1), var(--juicy-color-2));
    color: #fff;
    text-align: center;
    padding: 20px;
    font-weight: 700;
    box-shadow: 0 -2px 5px rgba(0,0,0,0.1);
}