/* =====================================================
   PAYCORE CRYPTO GATEWAY
   Modern secure payment UI
===================================================== */

.gateway-page {
    --pc-bg: #060911;
    --pc-surface: #0F141F;
    --pc-surface-2: #161C2C;
    --pc-border: #232B41;
    --pc-text: #F4F6FB;
    --pc-text-2: #8993AC;
    --pc-accent: #E8B94C;
    --pc-accent-dim: #7A6329;
    --pc-trust: #34D399;
    --pc-danger: #F0554B;

    min-height: 100vh;
    background:
        radial-gradient(circle at 15% 0%, rgba(232, 185, 76, 0.06), transparent 42%),
        radial-gradient(circle at 85% 15%, rgba(52, 211, 153, 0.05), transparent 45%),
        var(--pc-bg);
    color: var(--pc-text);
    padding: 64px 20px 90px;
    font-family: 'Inter', Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
}

.gateway-container {
    max-width: 620px;
    margin: auto;
    animation: fadeIn .5s ease;
}

/* ---------- Header ---------- */

.gateway-header {
    text-align: center;
    margin-bottom: 36px;
}

.gateway-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    letter-spacing: 4px;
    font-weight: 600;
    color: var(--pc-accent);
    margin-bottom: 26px;
}

.gateway-logo::before {
    content: "◆";
    font-size: 11px;
}

.gateway-header h1 {
    font-size: 30px;
    font-weight: 600;
    letter-spacing: -0.01em;
    margin-bottom: 10px;
}

.gateway-header p {
    color: var(--pc-text-2);
    font-size: 14.5px;
    max-width: 400px;
    margin: 0 auto;
}

/* ---------- Trust strip ---------- */

.gateway-trust-strip {
    display: flex;
    justify-content: center;
    gap: 22px;
    margin-top: 20px;
    flex-wrap: wrap;
}

.gateway-trust-strip span {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 10.5px;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--pc-text-2);
}

.gateway-trust-strip span::before {
    content: "✓";
    color: var(--pc-trust);
    font-weight: 700;
}

/* ---------- Cards ---------- */

.payment-card {
    background: var(--pc-surface);
    border: 1px solid var(--pc-border);
    border-radius: 20px;
    padding: 32px;
    margin-bottom: 24px;
    position: relative;
    overflow: hidden;
}

.payment-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(232, 185, 76, 0.5), transparent);
}

.amount-card {
    text-align: center;
    background: linear-gradient(160deg, var(--pc-surface-2), var(--pc-surface) 75%);
}

.amount-card > div {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--pc-text-2);
}

.amount-card h2 {
    font-size: 46px;
    font-weight: 700;
    margin: 16px 0;
    letter-spacing: -0.02em;
}

.amount-card span {
    display: inline-block;
    font-family: 'IBM Plex Mono', monospace;
    color: var(--pc-text-2);
    font-size: 11.5px;
    border: 1px solid var(--pc-border);
    border-radius: 100px;
    padding: 5px 14px;
}

/* ---------- Token selection ---------- */

.token-section {
    margin-top: 8px;
}

.token-section h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 18px;
    color: var(--pc-text);
}

.token-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(132px, 1fr));
    gap: 12px;
}

.token {
    height: 84px;
    background: var(--pc-surface);
    color: var(--pc-text);
    border: 1px solid var(--pc-border);
    border-radius: 14px;
    cursor: pointer;
    font-size: 13.5px;
    font-weight: 500;
    transition: transform .2s ease, border-color .2s ease, background .2s ease, box-shadow .2s ease;
}

.token span {
    display: block;
    font-size: 22px;
    margin-bottom: 8px;
    color: var(--pc-accent);
}

.token:hover {
    transform: translateY(-3px);
    border-color: var(--pc-accent-dim);
    background: var(--pc-surface-2);
    box-shadow: 0 14px 28px -14px rgba(0, 0, 0, 0.55);
}

.token:active {
    transform: translateY(-1px);
}

/* ---------- Loaders ---------- */

.gateway-loader,
.network-loader {
    min-height: 70vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.loader-circle {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    border: 3px solid var(--pc-border);
    border-top-color: var(--pc-accent);
    animation: spin .9s linear infinite;
    margin-bottom: 22px;
}

.gateway-loader h2,
.network-loader h3 {
    font-size: 19px;
    font-weight: 600;
    margin-bottom: 8px;
}

.network-loader p {
    color: var(--pc-text-2);
    font-size: 13.5px;
    margin: 2px 0;
}

.loader-steps {
    margin-top: 18px;
}

.loader-steps span {
    display: block;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12px;
    color: var(--pc-trust);
    margin-top: 8px;
}

/* ---------- Payment details ---------- */

.payment-details {
    margin-top: 8px;
    animation: fadeIn .4s ease;
}

.selected-token {
    text-align: center;
    margin-bottom: 26px;
}

.selected-token h2 {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.selected-token span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pc-trust);
    margin-top: 8px;
}

.selected-token span::before {
    content: "";
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--pc-trust);
    box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.18);
}

.info-box {
    background: var(--pc-surface);
    border: 1px solid var(--pc-border);
    padding: 20px 22px;
    border-radius: 16px;
    margin-bottom: 12px;
}

.info-box label,
.wallet-box label {
    display: block;
    font-family: 'IBM Plex Mono', monospace;
    color: var(--pc-text-2);
    font-size: 10.5px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: 9px;
}

.info-box strong {
    font-size: 22px;
    font-weight: 600;
}

.info-box small {
    display: block;
    color: var(--pc-text-2);
    font-size: 12.5px;
    margin-top: 5px;
}

/* ---------- Wallet box ---------- */

.wallet-box {
    background: var(--pc-surface);
    border: 1px solid var(--pc-border);
    padding: 20px 22px;
    border-radius: 16px;
    margin-top: 14px;
}

.wallet-address {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    background: var(--pc-bg);
    border: 1px solid var(--pc-border);
    padding: 13px 14px;
    border-radius: 10px;
    word-break: break-all;
}

.wallet-address span {
    font-family: 'IBM Plex Mono', monospace;
    font-size: 12.5px;
    color: var(--pc-text);
}

.wallet-address button {
    background: var(--pc-surface-2);
    color: var(--pc-accent);
    border: 1px solid var(--pc-border);
    padding: 9px 14px;
    border-radius: 8px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 11px;
    letter-spacing: 0.05em;
    flex-shrink: 0;
    transition: border-color .2s ease, background .2s ease;
}

.wallet-address button:hover {
    border-color: var(--pc-accent);
    background: var(--pc-bg);
}

.network-info {
    margin-top: 14px;
    font-size: 12.5px;
    color: var(--pc-text-2);
}

.network-info strong {
    color: var(--pc-text);
    font-weight: 600;
}

/* ---------- QR ---------- */

.qr-box {
    margin-top: 20px;
    text-align: center;
    background: var(--pc-surface);
    border: 1px solid var(--pc-border);
    border-radius: 16px;
    padding: 24px;
}

.qr-image {
    width: 176px;
    height: 176px;
    margin: 0 auto;
    border-radius: 12px;
    background: #fff;
    padding: 10px;
}

.qr-box p {
    margin-top: 14px;
    font-size: 12.5px;
    color: var(--pc-text-2);
}

/* ---------- Timer ---------- */

.timer-box {
    margin-top: 14px;
    padding: 16px;
    text-align: center;
    background: rgba(240, 85, 75, 0.08);
    border: 1px solid rgba(240, 85, 75, 0.25);
    border-radius: 14px;
    font-size: 13px;
    color: var(--pc-text-2);
}

.timer-box strong {
    display: inline-block;
    margin-left: 6px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 15px;
    color: var(--pc-danger);
    letter-spacing: 0.02em;
}

/* ---------- Actions ---------- */

.pay-confirm {
    width: 100%;
    margin-top: 22px;
    padding: 17px;
    border-radius: 14px;
    border: 1px solid var(--pc-accent);
    background: linear-gradient(135deg, var(--pc-accent), #C99A2E);
    color: #14140f;
    font-size: 15.5px;
    font-weight: 700;
    cursor: pointer;
    transition: transform .2s ease, box-shadow .2s ease;
}

.pay-confirm:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px -10px rgba(232, 185, 76, 0.45);
}

.payment-details-footer {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 14px;
}

.change-coin-btn {
    width: 100%;
    background: transparent;
    border: 1px solid var(--pc-border);
    color: var(--pc-text-2);
    font-size: 13.5px;
    font-weight: 500;
    padding: 13px;
    border-radius: 12px;
    cursor: pointer;
    transition: border-color 0.2s ease, color 0.2s ease, background 0.2s ease;
}

.change-coin-btn:hover {
    border-color: var(--pc-accent-dim);
    color: var(--pc-accent);
    background: var(--pc-surface);
}

/* ---------- Confirm modal (change coin / cancel) ---------- */

.pc-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(6, 9, 17, 0.72);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300;
    padding: 20px;
}

.pc-modal {
    width: 100%;
    max-width: 360px;
    background: var(--pc-surface);
    border: 1px solid var(--pc-border);
    border-radius: 18px;
    padding: 28px 26px;
    text-align: center;
    animation: fadeIn .25s ease;
}

.pc-modal h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 10px;
}

.pc-modal p {
    font-size: 13.5px;
    color: var(--pc-text-2);
    margin-bottom: 22px;
}

.pc-modal-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.pc-modal-actions button {
    width: 100%;
    padding: 13px;
    border-radius: 10px;
    font-size: 13.5px;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid var(--pc-border);
    transition: transform .15s ease, border-color .2s ease, background .2s ease;
}

.pc-modal-change {
    background: var(--pc-surface-2);
    color: var(--pc-text);
}

.pc-modal-change:hover {
    border-color: var(--pc-accent);
    color: var(--pc-accent);
}

.pc-modal-cancel {
    background: rgba(240, 85, 75, 0.1);
    border-color: rgba(240, 85, 75, 0.3);
    color: var(--pc-danger);
}

.pc-modal-cancel:hover {
    background: rgba(240, 85, 75, 0.16);
}

.pc-modal-dismiss {
    background: transparent;
    color: var(--pc-text-2);
    border-color: transparent;
    font-weight: 500;
}

.pc-modal-dismiss:hover {
    color: var(--pc-text);
}

/* ---------- Utility ---------- */

.hidden {
    display: none !important;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(14px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ---------- Responsive ---------- */

@media (max-width: 600px) {

    .gateway-page {
        padding: 44px 16px 70px;
    }

    .gateway-header h1 {
        font-size: 24px;
    }

    .amount-card h2 {
        font-size: 36px;
    }

    .payment-card {
        padding: 24px 20px;
    }

    .token-grid {
        grid-template-columns: repeat(auto-fit, minmax(104px, 1fr));
    }

    .token {
        height: 76px;
        font-size: 12.5px;
    }
}