:root { 
    --bg-dark-card: #0e0e0e; 
    --input-bg: #1a1a1a; 
    --btc-orange: #f7931a; 
    --success-green: #28a745; 
}

* { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
    font-family: 'Montserrat', sans-serif !important; 
}

body { 
    background-image: url('Capture d’écran 2026-02-22 010001.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    min-height: 100vh;
    color: white;
}

.main-header { padding: 30px 0; text-align: center; }
.site-logo { max-width: 110px; }

.container { display: flex; justify-content: center; align-items: center; padding: 20px; min-height: 85vh; }
.split-view { display: flex; gap: 30px; max-width: 1000px; width: 100%; }

.media { flex: 1; border-radius: 28px; overflow: hidden; background: #000; box-shadow: 0 20px 50px rgba(0,0,0,0.8); }
.media img { width: 100%; height: 100%; object-fit: contain; }

.card { flex: 1; max-width: 480px; background: var(--bg-dark-card); padding: 35px; border-radius: 28px; border: 1px solid #1a1a1a; }

.price-header { display: flex; justify-content: space-between; margin-bottom: 30px; font-weight: 800; font-size: 22px; }
.step-box { border: 1px solid #222; border-radius: 20px; padding: 30px; background: #050505; }
.step-title { font-size: 13px; font-weight: 900; color: #555; margin-bottom: 20px; letter-spacing: 1.5px; text-transform: uppercase; }

input, select { width: 100%; padding: 16px; border: 2px solid #222; border-radius: 12px; background: var(--input-bg); color: white; margin-bottom: 15px; font-size: 15px; transition: 0.2s; outline: none; }
label { display: block; font-size: 11px; font-weight: 800; color: #666; text-transform: uppercase; margin-bottom: 8px; }

input.invalid, select.invalid { border-color: #ff4d4d !important; background: rgba(255, 77, 77, 0.05) !important; }

.btn-unlock { width: 100%; background: white; color: black; padding: 22px; border-radius: 50px; font-weight: 900; border: none; cursor: pointer; text-transform: uppercase; font-size: 16px; margin-top: 10px; }

.back-link { font-size: 11px; color: #666; cursor: pointer; display: block; margin-bottom: 25px; font-weight: 600; text-transform: uppercase; text-decoration: underline; }

.secure-badge { border: 1px solid var(--success-green); padding: 15px; border-radius: 12px; margin-bottom: 25px; text-align: center; background: rgba(40, 167, 69, 0.05); }
.badge-title { font-size: 12px; font-weight: 800; color: var(--success-green); letter-spacing: 1px; }
.secure-desc { font-size: 11px; color: #888; margin-top: 5px; font-weight: 500; }

.blockchain-status { position: relative; height: 45px; background: #000; border-radius: 8px; margin-bottom: 25px; overflow: hidden; display: flex; align-items: center; justify-content: center; border: 1px solid #111; }
#status-text { font-size: 11px; font-weight: 800; color: #444; z-index: 2; letter-spacing: 1px; }

.scanner-line { 
    position: absolute; top: 0; left: -100%; width: 100%; height: 100%; 
    background: linear-gradient(90deg, transparent, rgba(247, 147, 26, 0.2), transparent); 
    animation: scan 3s infinite linear; z-index: 1;
}

@keyframes scan { 0% { left: -100%; } 100% { left: 100%; } }

.payment-instruction-text { 
    font-size: 14px; color: #ccc; text-align: center; margin-bottom: 25px; 
    line-height: 1.5; font-weight: 500; font-family: 'Montserrat', sans-serif !important;
}
.payment-instruction-text strong { color: var(--btc-orange); font-weight: 800; }

.address-container { text-align: center; margin-bottom: 40px; }
.big-wallet-address { 
    background: #000; border: 1px solid #222; padding: 18px; border-radius: 12px; 
    font-size: 16px; font-weight: 600; color: var(--btc-orange); cursor: pointer; word-break: break-all;
}
.click-hint { font-size: 11px; color: #555; margin-top: 12px; font-weight: 600; }

.qr-center-box { text-align: center; margin-bottom: 40px; }
.huge-qr { width: 190px; background: white; padding: 12px; border-radius: 15px; display: block; margin: 0 auto; }
.qr-label { font-size: 11px; color: #555; margin-top: 15px; font-weight: 600; text-transform: uppercase; }

.price-tag-large { text-align: center; background: #000; padding: 25px; border-radius: 18px; border: 1px solid #222; }
.eur-total { font-size: 32px; font-weight: 900; }
.btc-total { font-size: 17px; color: var(--btc-orange); font-weight: 700; margin-top: 5px; }

@media (max-width: 900px) { .split-view { flex-direction: column; } }