/* Clean Payment Modal CSS - Minimal, Professional, No Decorations */

.payment-modal-clean {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.payment-modal-clean.active {
    display: flex;
}

.payment-modal-box {
    background: #fff;
    max-width: 400px;
    width: 90%;
    border-radius: 4px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Header */
.payment-header {
    padding: 15px 20px;
    border-bottom: 1px solid #e0e0e0;
    position: relative;
}

.payment-title {
    margin: 0;
    font-size: 18px;
    font-weight: 500;
    color: #333;
}

.payment-close {
    position: absolute;
    right: 15px;
    top: 15px;
    background: none;
    border: none;
    font-size: 20px;
    color: #666;
    cursor: pointer;
    padding: 0;
    width: 24px;
    height: 24px;
}

.payment-close:hover {
    color: #000;
}

/* Tabs */
.payment-tabs {
    display: flex;
    border-bottom: 1px solid #e0e0e0;
}

.payment-tab {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    font-size: 14px;
    color: #666;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.payment-tab:hover {
    color: #333;
}

.payment-tab.active {
    color: #000;
    border-bottom-color: #000;
    font-weight: 500;
}

/* Content */
.payment-content {
    padding: 20px;
}

.payment-amount {
    text-align: center;
    margin-bottom: 20px;
    padding-bottom: 20px;
    border-bottom: 1px solid #e0e0e0;
}

.amount-value {
    font-size: 24px;
    font-weight: 500;
    color: #000;
    margin-bottom: 5px;
}

.amount-tokens {
    font-size: 14px;
    color: #666;
}

/* QR Code */
.payment-qr {
    text-align: center;
    margin: 20px 0;
    padding: 10px;
    background: #f8f8f8;
    border-radius: 4px;
}

#qrCanvas {
    max-width: 200px;
    height: auto;
    image-rendering: pixelated;
}

/* Invoice Input */
.payment-invoice {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

.invoice-input {
    flex: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: monospace;
    font-size: 12px;
    color: #333;
    background: #f8f8f8;
}

.copy-btn {
    padding: 10px 20px;
    background: #000;
    color: #fff;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    white-space: nowrap;
}

.copy-btn:hover {
    background: #333;
}

/* Status */
.payment-status {
    text-align: center;
    padding: 15px;
    background: #f8f8f8;
    border-radius: 4px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

#statusText {
    font-size: 14px;
    color: #666;
}

.countdown {
    font-family: monospace;
    font-size: 14px;
    color: #000;
    font-weight: 500;
}

/* Mobile */
@media (max-width: 480px) {
    .payment-modal-box {
        width: 95%;
        margin: 20px;
    }
    
    .payment-header {
        padding: 12px 15px;
    }
    
    .payment-title {
        font-size: 16px;
    }
    
    .payment-content {
        padding: 15px;
    }
    
    .amount-value {
        font-size: 20px;
    }
    
    .payment-invoice {
        flex-direction: column;
    }
    
    .copy-btn {
        width: 100%;
    }
    
    #qrCanvas {
        max-width: 160px;
    }
}