* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #0a0a0a;
    color: #e0e0e0;
    line-height: 1.6;
}

.container {
    max-width: 600px;
    margin: 30px auto;
    padding: 20px;
    background: #121212;
    border-radius: 10px;
    border: 2px solid #00ffff;
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.4);
    animation: neonPulse 2s infinite alternate;
    position: relative;
}

.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}

.payment-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}

h1 {
    text-align: center;
    margin-bottom: 20px;
    color: #00ffff;
    text-shadow: 0 0 10px rgba(0, 255, 255, 0.6);
}

.payment-methods {
    margin-bottom: 20px;
}

.payment-methods h3 {
    margin-bottom: 15px;
    font-size: 18px;
    color: #00ffff;
    text-align: center;
    text-shadow: 0 0 8px rgba(0, 255, 255, 0.4);
}

.method-options {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 15px;
    flex-wrap: wrap;
}

.method-option {
    flex: 0 0 120px;
}

.method-option input {
    display: none;
}

.method-card {
    padding: 15px;
    border: 2px solid #333;
    border-radius: 8px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    background-color: rgba(20, 20, 20, 0.9);
    color: #ccc;
}

.method-option input:checked + .method-card {
    border-color: #00ffff;
    background-color: #001f1f;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

.method-card:hover {
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.4);
    border-color: #00ffff;
}

.method-logo {
    width: 50px;
    height: 50px;
    object-fit: contain;
    margin: 0 auto 10px;
    display: block;
    filter: drop-shadow(0 0 5px rgba(0, 255, 255, 0.3));
}

.dollar-logo-container {
    position: relative;
    width: 60px;
    height: 60px;
    margin: 0 auto 10px;
}

.dollar-logo-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 255, 255, 0.1);
    border-radius: 50%;
    filter: blur(6px);
    z-index: 1;
}

.dollar-logo {
    position: relative;
    width: 50px;
    height: 50px;
    object-fit: contain;
    z-index: 2;
    display: block;
    margin: 5px auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: #00ffff;
}

.form-group input[type="text"],
.form-group input[type="tel"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #444;
    border-radius: 6px;
    font-size: 16px;
    background-color: #1a1a1a;
    color: #e0e0e0;
    transition: border 0.3s, box-shadow 0.3s;
}

.form-group input:focus {
    border-color: #00ffff;
    outline: none;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.3);
}

.phone-input {
    position: relative;
    display: flex;
    align-items: center;
}

.copy-btn {
    position: absolute;
    right: 10px;
    background: none;
    border: none;
    color: #00ffff;
    cursor: pointer;
    font-size: 18px;
    padding: 5px;
}

.file-upload {
    position: relative;
}

.file-upload input[type="file"] {
    position: absolute;
    left: 0;
    top: 0;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.upload-btn {
    display: block;
    padding: 12px;
    background-color: rgba(0, 255, 255, 0.05);
    border: 2px dashed #00ffff;
    border-radius: 6px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    color: #00ffff;
}

.upload-btn:hover {
    background-color: rgba(0, 255, 255, 0.1);
    border-color: #00ffff;
}

#file-name {
    display: block;
    margin-top: 5px;
    font-size: 14px;
    color: #aaa;
}

.submit-btn {
    width: 100%;
    padding: 15px;
    background-color: transparent;
    border: 2px solid #00ffff;
    color: #00ffff;
    border-radius: 6px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
    background-image: linear-gradient(45deg, rgba(0, 255, 255, 0.2), rgba(0, 255, 255, 0.05));
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.4);
}

.submit-btn:hover {
    background-color: rgba(0, 255, 255, 0.1);
    box-shadow: 0 0 25px rgba(0, 255, 255, 0.7);
}

.notification {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 15px 25px;
    background-color: #00aa66;
    color: white;
    border-radius: 5px;
    box-shadow: 0 0 15px rgba(0, 255, 180, 0.4);
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1000;
}

.notification.show {
    opacity: 1;
}

@keyframes neonPulse {
    0% {
        box-shadow: 0 0 10px rgba(0, 255, 255, 0.3), 0 0 20px rgba(0, 255, 255, 0.2);
    }
    100% {
        box-shadow: 0 0 20px rgba(0, 255, 255, 0.6), 0 0 30px rgba(0, 255, 255, 0.3);
    }
}

@media (max-width: 600px) {
    .container {
        margin: 10px;
        padding: 15px;
    }

    .method-options {
        flex-direction: column;
        align-items: center;
    }

    .method-option {
        width: 100%;
        max-width: 200px;
    }
}