* {
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0a0a0a;
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    color: #e0e0e0;
}

.payment-container {
    background-color: #121212;
    border-radius: 15px;
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.2);
    width: 100%;
    max-width: 500px;
    padding: 30px;
    animation: fadeIn 0.8s ease;
    border: 1px solid #00ffff;
    position: relative;
    overflow: hidden;
}

.payment-container::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #00ffff, #ff00ff, #00ff00, #ffff00);
    z-index: -1;
    background-size: 400%;
    animation: borderGlow 8s linear infinite;
    border-radius: 16px;
    opacity: 0.7;
}

@keyframes borderGlow {
    0% { background-position: 0 0; }
    50% { background-position: 400% 0; }
    100% { background-position: 0 0; }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.payment-header {
    text-align: center;
    margin-bottom: 30px;
}

.payment-header h2 {
    color: #00ffff;
    margin-bottom: 10px;
    font-size: 28px;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.7);
}

.payment-header p {
    color: #aaa;
    margin: 0;
    font-size: 14px;
}

.payment-options {
    display: flex;
    justify-content: space-between;
    margin-bottom: 30px;
    gap: 10px;
}

.payment-option {
    width: 32%;
    text-align: center;
    cursor: pointer;
    transition: all 0.4s ease;
    padding: 15px 5px;
    border-radius: 10px;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
    background-color: rgba(20, 20, 20, 0.8);
}

.payment-option::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.2), transparent);
    transition: 0.5s;
}

.payment-option:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0, 255, 255, 0.3);
}

.payment-option:hover::before {
    left: 100%;
}

.payment-option.selected {
    border-color: #00ffff;
    background-color: rgba(0, 50, 50, 0.3);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.payment-option img {
    width: 70px;
    height: 70px;
    object-fit: contain;
    margin-bottom: 10px;
    filter: drop-shadow(0 0 5px rgba(0, 255, 255, 0.5));
    transition: all 0.3s ease;
}

.payment-option:hover img {
    transform: scale(1.1);
    filter: drop-shadow(0 0 10px rgba(0, 255, 255, 0.8));
}

.payment-option p {
    margin: 0;
    font-weight: 500;
    color: #ddd;
    font-size: 14px;
    transition: all 0.3s ease;
}

.payment-option:hover p {
    color: #00ffff;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.7);
}

.payment-details {
    display: none;
    animation: slideDown 0.5s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

.payment-details.active {
    display: block;
}

.payment-info {
    background-color: rgba(30, 30, 30, 0.5);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    border: 1px solid #333;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
}

.payment-info p {
    margin: 8px 0;
    color: #bbb;
    display: flex;
    align-items: center;
    font-size: 14px;
}

.payment-info p strong {
    color: #00ffff;
    margin-right: 8px;
    min-width: 120px;
}

.copy-btn {
    background-color: rgba(0, 150, 150, 0.3);
    border: 1px solid #00aaaa;
    color: #00ffff;
    padding: 5px 10px;
    border-radius: 5px;
    margin-left: 10px;
    cursor: pointer;
    font-size: 12px;
    transition: all 0.3s;
}

.copy-btn:hover {
    background-color: rgba(0, 200, 200, 0.5);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.copy-btn.copied {
    background-color: rgba(0, 200, 0, 0.5);
    border-color: #00ff00;
    color: #00ff00;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: #00ffff;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #333;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s;
    background-color: rgba(30, 30, 30, 0.7);
    color: #fff;
    outline: none;
}

.form-group input:focus {
    border-color: #00ffff;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.submit-btn {
    background: linear-gradient(45deg, #006666, #00aaaa);
    color: white;
    border: none;
    padding: 14px 20px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    width: 100%;
    transition: all 0.4s;
    font-weight: bold;
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #00aaaa, #006666);
    transition: 0.5s;
    z-index: -1;
}

.submit-btn:hover {
    box-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
}

.submit-btn:hover::before {
    left: 0;
}

.submit-btn:disabled {
    background: #333;
    color: #666;
    cursor: not-allowed;
    box-shadow: none;
}

.submit-btn:disabled:hover::before {
    left: -100%;
}

.success-message {
    text-align: center;
    color: #00ff00;
    font-weight: 500;
    margin-top: 20px;
    display: none;
    padding: 15px;
    border-radius: 8px;
    background-color: rgba(0, 50, 0, 0.3);
    border: 1px solid #00aa00;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { box-shadow: 0 0 5px rgba(0, 255, 0, 0.3); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 0, 0.6); }
    100% { box-shadow: 0 0 5px rgba(0, 255, 0, 0.3); }
}

.success-message.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

.kbz-color { border-color: #f7931a; }
.wave-color { border-color: #00a0e1; }
.aya-color { border-color: #e31937; }

.kbz-color.selected { box-shadow: 0 0 15px rgba(247, 147, 26, 0.5); }
.wave-color.selected { box-shadow: 0 0 15px rgba(0, 160, 225, 0.5); }
.aya-color.selected { box-shadow: 0 0 15px rgba(227, 25, 55, 0.5); }

.account-number {
    display: flex;
    align-items: center;
}

.account-number span {
    margin-right: 5px;
}