@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;600;800&display=swap');
* { box-sizing: border-box; }
body {
    background: linear-gradient(145deg, #0d0d0d, #1a1a1a);
    font-family: 'Inter', sans-serif;
    color: #f0f0f0;
    margin: 0;
    padding: 40px 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
}

.wrapper {
    max-width: 420px;
    width: 100%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    padding: 24px;
    animation: fadeIn 0.6s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}

.header {
    text-align: center;
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 16px;
    user-select: none;
}

.logo-friendly {
    background: linear-gradient(90deg, #00ffd5, #00c8ff, #5e6eff, #b66dff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-share { color: white; }
.profile-card {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 16px;
    margin-bottom: 28px;
    border-radius: 14px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid rgba(255, 255, 255, 0.04);
    box-shadow: inset 0 0 0 1px rgba(0,255,213,0.04);
}

.profile-card img {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: 2px solid #00ffd5;
    box-shadow: 0 0 10px #00ffd5aa;
}

.info div:first-child { font-weight: 600; color: #ddd; }
.info div:last-child { color: #888; }
.service-card {
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
    padding: 20px;
    text-align: center;
    margin-bottom: 20px;
}

.service-card img { width: 150px; margin-bottom: 12px; }
.service-card h3 { margin: 0 0 8px; font-size: 16px; }
.price {
    font-size: 15px;
    color: #ccc;
    margin-bottom: 16px;
}

.btn {
    background: linear-gradient(135deg, #00ffd5, #715bff);
    border: none;
    padding: 12px;
    width: 100%;
    border-radius: 12px;
    color: #000;
    font-weight: 700;
    font-size: 15px;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(0, 255, 213, 0.2);
}

.modal {
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: linear-gradient(145deg, rgba(0, 255, 213, 0.06), rgba(255, 255, 255, 0.04));
    backdrop-filter: blur(16px);
    padding: 28px 24px;
    border-radius: 20px;
    text-align: center;
    max-width: 360px;
    width: 90%;
    color: #f0f0f0;
    box-shadow: 0 0 50px rgba(0, 255, 213, 0.3), 0 0 0 1px rgba(255, 255, 255, 0.1) inset;
    animation: fadeInReceipt 0.4s ease-in-out;
    transform: scale(1.02);
}

@keyframes fadeInReceipt {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.96);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1.02);
    }
}

#receiptContent h3 {
    font-size: 20px;
    margin-bottom: 18px;
    color: #00ffd5;
    letter-spacing: 0.5px;
}

#receiptContent p {
    font-size: 15px;
    margin-bottom: 10px;
    color: #ddd;
}

#receiptContent img {
    max-width: 100%;
    margin: 12px auto;
}

#payBtn {
    margin-top: 16px;
    background: linear-gradient(135deg, #00ffd5, #5e6eff);
    color: #000;
    font-weight: 700;
    padding: 14px;
    font-size: 15px;
    border-radius: 14px;
    text-decoration: none;
    display: block;
    box-shadow: 0 6px 18px rgba(0, 255, 213, 0.25);
}

.modal-content h3 { color: #00ffd5; margin-bottom: 12px; }
.modal-content p {
    font-size: 14px;
    margin-bottom: 14px;
    color: #ddd;
}

button.disabled {
    background: #ccc;
    cursor: not-allowed;
    pointer-events: none;
    color: #666;
    box-shadow: 0 4px 16px rgb(255 255 255 / 20%);
}