* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0f1219;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.pay-wrapper {
    width: 100%;
    max-width: 480px;
}

.pay-card {
    background: #1a1f2e;
    border-radius: 24px;
    padding: 28px 24px 24px;
    border: 1px solid rgba(39, 117, 202, 0.08);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

/* HEADER */
.pay-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 8px;
}

.pay-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.pay-logo {
    width: 44px;
    height: 44px;
    background: linear-gradient(135deg, #2775ca, #1a5fa8);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pay-logo img {
    width: 28px;
    height: 28px;
    object-fit: contain;
}

.pay-title h1 {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.3px;
}

.pay-title span {
    font-size: 12px;
    color: #2775ca;
    font-weight: 500;
    display: block;
    margin-top: 1px;
}

.pay-badge {
    background: rgba(39, 117, 202, 0.1);
    padding: 4px 14px;
    border-radius: 100px;
    border: 1px solid rgba(39, 117, 202, 0.12);
    font-size: 11px;
    font-weight: 600;
    color: #2775ca;
    display: flex;
    align-items: center;
    gap: 6px;
}

.pay-dot {
    width: 6px;
    height: 6px;
    background: #2ecc71;
    border-radius: 50%;
    animation: payPulse 1.8s infinite;
}

@keyframes payPulse {
    0%,
    100% {
        opacity: 0.4;
        transform: scale(0.8);
    }
    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* NETWORK SELECTOR */
.pay-network-selector {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 6px;
    margin-bottom: 18px;
}

.pay-network-btn {
    background: rgba(255, 255, 255, 0.04);
    border: 2px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 8px 4px;
    cursor: pointer;
    transition: all 0.3s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-family: 'Inter', sans-serif;
}

.pay-network-btn img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    display: block;
}

.pay-network-btn span {
    font-size: 10px;
    font-weight: 600;
    color: #6a7a9a;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    transition: color 0.3s;
}

.pay-network-btn:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.12);
}

.pay-network-btn.active {
    border-color: #2775ca;
    background: rgba(39, 117, 202, 0.1);
}

.pay-network-btn.active span {
    color: #2775ca;
}

/* AMOUNT */
.pay-amount {
    background: rgba(255, 255, 255, 0.02);
    border-radius: 16px;
    padding: 16px 20px;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.pay-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: #6a7a9a;
    font-weight: 600;
}

.pay-value {
    font-size: 26px;
    font-weight: 800;
    color: #2775ca;
    margin-top: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.pay-sub {
    font-size: 13px;
    color: #6a7a9a;
    margin-top: 4px;
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.pay-sub span:first-child {
    color: #8a9ab8;
}

/* COPY BUTTONS */
.pay-copy {
    background: rgba(39, 117, 202, 0.08);
    border: none;
    color: #2775ca;
    width: 28px;
    height: 28px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pay-copy svg {
    width: 16px;
    height: 16px;
    fill: currentColor;
}

.pay-copy:hover {
    background: rgba(39, 117, 202, 0.16);
    transform: scale(1.05);
}

.pay-copy.copied {
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
}

/* ADDRESS */
.pay-address {
    background: rgba(0, 0, 0, 0.25);
    border-radius: 16px;
    padding: 16px 18px;
    margin-bottom: 14px;
}

.pay-address .pay-label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.pay-tag {
    background: rgba(39, 117, 202, 0.12);
    padding: 1px 10px;
    border-radius: 100px;
    font-size: 9px;
    color: #2775ca;
    font-weight: 700;
    text-transform: uppercase;
}

.pay-field {
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 0, 0, 0.25);
    border-radius: 12px;
    padding: 2px 2px 2px 14px;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.pay-field input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: #d0d8ee;
    font-size: 13px;
    font-family: 'Inter', monospace;
    font-weight: 500;
    padding: 8px 0;
    min-width: 0;
}

.pay-field input::selection {
    background: rgba(39, 117, 202, 0.2);
}

.pay-copy-btn {
    background: rgba(39, 117, 202, 0.08);
    border: none;
    color: #2775ca;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pay-copy-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.pay-copy-btn:hover {
    background: rgba(39, 117, 202, 0.16);
}

.pay-copy-btn.copied {
    background: rgba(46, 204, 113, 0.15);
    color: #2ecc71;
}

.pay-hint {
    font-size: 12px;
    color: #6a7a9a;
    margin-top: 8px;
}

.pay-hint strong {
    color: #2775ca;
}

/* INFO ROW */
.pay-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 14px;
}

.pay-info-item {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 12px;
    padding: 10px 12px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
}

.pay-info-item svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

.pay-info-item:first-child svg {
    stroke: #2775ca;
}

.pay-info-item:last-child svg {
    stroke: #2ecc71;
}

/* QR */
.pay-qr {
    display: flex;
    align-items: center;
    gap: 18px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 16px;
    padding: 14px 18px;
    margin-bottom: 16px;
    border: 1px solid rgba(255, 255, 255, 0.03);
}

.pay-qr-box {
    width: 64px;
    height: 64px;
    background: #0f1219;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid rgba(39, 117, 202, 0.1);
    flex-shrink: 0;
    color: #2775ca;
}

.pay-qr-box svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

.pay-qr .pay-label {
    font-size: 10px;
}

.pay-qr-amount {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    margin-top: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

/* BUTTON */
.pay-btn {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #2775ca, #1a5fa8);
    border: none;
    border-radius: 14px;
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    cursor: pointer;
    transition: all 0.25s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 6px 24px rgba(39, 117, 202, 0.2);
}

.pay-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
    transition: transform 0.25s;
}

.pay-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 32px rgba(39, 117, 202, 0.3);
}

.pay-btn:hover svg {
    transform: translateX(4px);
}

.pay-btn:active {
    transform: scale(0.97);
}

/* TIMER */
.pay-timer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 18px;
    padding-top: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    font-size: 13px;
    color: #6a7a9a;
}

.pay-timer span:first-child {
    display: flex;
    align-items: center;
    gap: 6px;
}

.pay-timer svg {
    width: 16px;
    height: 16px;
    fill: #6a7a9a;
}

.pay-countdown {
    font-size: 20px;
    font-weight: 700;
    color: #fff;
    font-variant-numeric: tabular-nums;
    display: flex;
    align-items: center;
    gap: 2px;
}

.pay-time {
    display: inline-block;
    min-width: 28px;
    text-align: center;
    background: rgba(255, 255, 255, 0.04);
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 20px;
    font-weight: 700;
    color: #fff;
}

.pay-sep {
    color: #6a7a9a;
    font-weight: 400;
    margin: 0 2px;
}

.pay-unit {
    font-size: 13px;
    font-weight: 400;
    color: #6a7a9a;
    margin-left: 6px;
}

/* MODAL */
.pay-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 999;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.pay-modal.active {
    display: flex;
}

.pay-modal-box {
    max-width: 420px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    background: #1a1f2e;
    border-radius: 28px;
    padding: 32px 28px 28px;
    border: 1px solid rgba(39, 117, 202, 0.1);
    box-shadow: 0 40px 80px rgba(0, 0, 0, 0.8);
    animation: payModalIn 0.3s ease;
}

@keyframes payModalIn {
    from {
        opacity: 0;
        transform: scale(0.95) translateY(10px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.pay-modal-box::-webkit-scrollbar {
    width: 4px;
}

.pay-modal-box::-webkit-scrollbar-thumb {
    background: rgba(39, 117, 202, 0.3);
    border-radius: 10px;
}

.pay-modal-icon {
    text-align: center;
    margin-bottom: 12px;
}

.pay-modal-icon svg {
    width: 44px;
    height: 44px;
    fill: none;
}

.pay-modal-box h3 {
    color: #fff;
    font-size: 20px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 12px;
}

.pay-modal-list {
    list-style: none;
    padding: 0;
    margin: 12px 0 16px;
}

.pay-modal-list li {
    color: #b0bcdd;
    font-size: 14px;
    padding: 6px 0 6px 28px;
    position: relative;
    border-bottom: 1px solid rgba(255, 255, 255, 0.03);
    line-height: 1.5;
}

.pay-modal-list li:last-child {
    border-bottom: none;
}

.pay-modal-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: #2775ca;
    font-weight: 700;
}

.pay-modal-list li strong {
    color: #fff;
}

.pay-addr {
    font-size: 13px;
    color: #8a9ab8;
    font-family: monospace;
}

.pay-modal-warning {
    background: rgba(231, 76, 60, 0.06);
    padding: 12px 16px;
    border-radius: 12px;
    border-left: 3px solid #e74c3c;
    font-size: 13px;
    color: #d4a0a0;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 10px;
    line-height: 1.5;
}

.pay-modal-warning svg {
    width: 18px;
    height: 18px;
    fill: #e74c3c;
    flex-shrink: 0;
    margin-top: 1px;
}

.pay-modal-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, #2775ca, #1a5fa8);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.pay-modal-btn svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.pay-modal-btn:hover {
    transform: scale(1.01);
    box-shadow: 0 6px 24px rgba(39, 117, 202, 0.25);
}

/* ADAPTIVE */
@media (max-width: 480px) {
    .pay-card {
        padding: 20px 16px 20px;
        border-radius: 20px;
    }
    .pay-value {
        font-size: 22px;
    }
    .pay-qr {
        flex-direction: column;
        text-align: center;
        gap: 12px;
        padding: 16px;
    }
    .pay-qr-amount {
        justify-content: center;
        font-size: 16px;
    }
    .pay-info {
        grid-template-columns: 1fr 1fr;
        gap: 6px;
    }
    .pay-info-item {
        font-size: 12px;
        padding: 8px 10px;
    }
    .pay-field input {
        font-size: 11px;
    }
    .pay-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .pay-badge {
        align-self: flex-start;
    }
    .pay-timer {
        flex-direction: column;
        gap: 6px;
        text-align: center;
    }
    .pay-countdown {
        font-size: 18px;
    }
    .pay-time {
        font-size: 18px;
        min-width: 24px;
        padding: 1px 4px;
    }
    .pay-modal-box {
        padding: 24px 18px 20px;
    }
    .pay-modal-box h3 {
        font-size: 18px;
    }
    .pay-modal-list li {
        font-size: 13px;
        padding: 5px 0 5px 24px;
    }
}

@media (max-width: 380px) {
    .pay-card {
        padding: 16px 12px 16px;
        border-radius: 16px;
    }
    .pay-value {
        font-size: 19px;
    }
    .pay-info {
        grid-template-columns: 1fr;
    }
    .pay-qr-box {
        width: 56px;
        height: 56px;
    }
    .pay-qr-box svg {
        width: 28px;
        height: 28px;
    }
    .pay-title h1 {
        font-size: 14px;
    }
    .pay-time {
        font-size: 16px;
        min-width: 20px;
    }
    .pay-network-selector {
        grid-template-columns: repeat(2, 1fr);
    }
}