:root {
    --payment-accent: #e86663;
    --payment-accent-strong: #cf4e4b;
    --payment-lemon: #f3c94f;
    --payment-surface: #fbfbfc;
    --payment-surface-muted: #f3f4f6;
    --payment-border: #e2e4e9;
    --payment-text: #252932;
    --payment-text-muted: #6e7480;
}

body.payment-modal-open {
    overflow: hidden;
}

.payment-modal {
    position: fixed;
    inset: 0;
    z-index: 9000;
    padding: 18px;
    overflow-y: auto;
    background: rgba(14, 17, 21, 0.78);
    backdrop-filter: blur(4px);
    display: grid;
    place-items: center;
    opacity: 0;
    transition: opacity 180ms ease;
}

.payment-modal[hidden] {
    display: none !important;
}

.payment-modal.is-open {
    opacity: 1;
}

.payment-dialog {
    width: min(780px, 100%);
    max-height: calc(100dvh - 36px);
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.62);
    border-radius: 18px;
    background: var(--payment-surface);
    color: var(--payment-text);
    box-shadow: 0 26px 80px rgba(4, 7, 12, 0.4);
    display: flex;
    flex-direction: column;
    transform: translateY(12px) scale(0.985);
    transition: transform 180ms ease;
}

.payment-modal.is-open .payment-dialog {
    transform: translateY(0) scale(1);
}

.payment-modal-header {
    position: sticky;
    top: 0;
    z-index: 2;
    min-height: 84px;
    padding: 16px 22px;
    border-bottom: 1px solid var(--payment-border);
    background: color-mix(in srgb, var(--payment-surface) 94%, transparent);
    backdrop-filter: blur(14px);
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto 40px;
    align-items: center;
    gap: 18px;
}

.payment-modal-title-wrap {
    min-width: 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

.payment-title-icon {
    width: 48px;
    height: 48px;
    flex: 0 0 48px;
    object-fit: contain;
}

.payment-modal-header h2 {
    margin: 0;
    color: var(--payment-text);
    font-size: 22px;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.payment-modal-header p {
    margin: 4px 0 0;
    color: var(--payment-text-muted);
    font-size: 13px;
}

.payment-header-balance {
    min-width: 120px;
    padding: 8px 12px;
    border: 1px solid #eadcae;
    border-radius: 12px;
    background: #fff9df;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.payment-header-balance span {
    color: #7c7047;
    font-size: 11px;
}

.payment-header-balance strong {
    color: #4f451f;
    font-size: 17px;
    font-variant-numeric: tabular-nums;
}

.payment-modal-close {
    width: 40px;
    height: 40px;
    border: 0;
    border-radius: 12px;
    background: var(--payment-surface-muted);
    color: #69707c;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 150ms ease, color 150ms ease, transform 150ms ease;
}

.payment-modal-close:hover {
    background: #e8e9ed;
    color: var(--payment-text);
}

.payment-modal-close:active,
.recharge-plan:active,
.payment-channel-option:active,
.payment-submit:active {
    transform: translateY(1px);
}

.payment-modal-body {
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.payment-modal-content {
    min-height: 0;
    padding: 22px;
    overflow-y: auto;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 12px;
    align-items: start;
}

.payment-modal-section,
.payment-preview-card {
    border: 1px solid var(--payment-border);
    border-radius: 16px;
    background: #ffffff;
}

.payment-modal-section {
    padding: 18px;
}

.payment-section-heading,
.payment-preview-topline {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
}

.payment-section-heading {
    margin-bottom: 14px;
}

.payment-section-heading h3,
.payment-preview-topline h3 {
    margin: 0;
    color: var(--payment-text);
    font-size: 16px;
    line-height: 1.25;
}

.payment-section-heading > span {
    color: var(--payment-text-muted);
    font-size: 12px;
}

.recharge-plan-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.recharge-plan {
    position: relative;
    min-width: 0;
    min-height: 126px;
    padding: 15px;
    border: 1px solid var(--payment-border);
    border-radius: 14px;
    background: #ffffff;
    color: var(--payment-text);
    cursor: pointer;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 5px;
    transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.recharge-plan:hover {
    border-color: #e9a5a3;
    background: #fffafa;
}

.recharge-plan.active {
    border-color: var(--payment-accent);
    background: #fff8f7;
    box-shadow: inset 0 0 0 1px var(--payment-accent);
}

.recharge-plan-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 3px 7px;
    border-radius: 7px;
    background: var(--payment-accent);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
}

.recharge-plan-price {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: #343841;
}

.recharge-plan-price img {
    width: 31px;
    height: 31px;
    object-fit: contain;
}

.recharge-plan-price > span {
    font-size: 16px;
    font-weight: 700;
}

.recharge-plan-price strong {
    margin-left: 2px;
    font-size: 24px;
    line-height: 1;
}

.recharge-plan-credits {
    color: var(--payment-accent-strong);
    font-size: 16px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.recharge-plan-credit-line {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.recharge-plan-percent {
    flex: 0 0 auto;
    padding: 4px 7px;
    border: 1px solid #ebbbb6;
    border-radius: 7px;
    background: #fff1ef;
    color: #b74340;
    font-size: 11px;
    font-weight: 850;
    line-height: 1;
    font-variant-numeric: tabular-nums;
}

.custom-recharge-block {
    margin-top: 16px;
    padding-top: 15px;
    border-top: 1px solid var(--payment-border);
    display: grid;
    grid-template-columns: minmax(0, 1fr) 168px;
    align-items: end;
    column-gap: 16px;
}

.custom-recharge-block label {
    color: var(--payment-text);
    font-size: 14px;
    font-weight: 700;
}

.custom-recharge-block p {
    margin: 4px 0 0;
    color: var(--payment-text-muted);
    font-size: 11px;
    line-height: 1.45;
}

.custom-amount-control {
    grid-column: 2;
    grid-row: 1 / span 2;
    min-height: 46px;
    border: 1px solid #d9dce2;
    border-radius: 12px;
    background: var(--payment-surface-muted);
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 0 12px;
}

.custom-amount-control:focus-within {
    border-color: var(--payment-accent);
    box-shadow: 0 0 0 3px rgba(232, 102, 99, 0.14);
}

.custom-amount-control span {
    color: #747a85;
    font-size: 13px;
}

.custom-amount-control input {
    width: 100%;
    min-width: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--payment-text);
    font-size: 18px;
    font-weight: 800;
    font-variant-numeric: tabular-nums;
}

.payment-preview-card {
    grid-column: auto;
    grid-row: auto;
    padding: 14px 18px;
    background: linear-gradient(145deg, #fffef8, #fff8e3);
    border-color: #eadcae;
    display: flex;
    align-items: stretch;
    gap: 10px;
}

.payment-preview-topline {
    min-width: 210px;
    margin: 0;
    padding-right: 18px;
    border-right: 1px solid #eadcae;
    flex: 1.35;
}

.payment-preview-topline > strong {
    color: var(--payment-accent-strong);
    font-size: 18px;
    white-space: nowrap;
}

.payment-preview-row {
    min-width: 0;
    min-height: 52px;
    padding: 0 12px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.56);
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: 3px;
    color: #706b5f;
    font-size: 13px;
}

.payment-preview-row strong {
    color: #4b463b;
    font-variant-numeric: tabular-nums;
}

.payment-preview-bonus,
.payment-preview-alipay {
    margin-top: 0;
    padding: 0 9px;
    border-radius: 10px;
    background: rgba(232, 102, 99, 0.08);
    color: var(--payment-accent-strong);
}

.payment-preview-alipay {
    border: 1px solid #b9d7ff;
    background: #edf6ff;
    color: #0b63ce;
}

.payment-preview-alipay strong {
    color: #0b63ce;
    font-size: 16px;
}

.payment-preview-alipay[hidden] {
    display: none;
}

.payment-preview-bonus strong,
.payment-preview-alipay strong {
    color: var(--payment-accent-strong);
}

.payment-channel-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
}

.payment-channel-option {
    position: relative;
    min-width: 0;
    min-height: 72px;
    padding: 12px 38px 12px 12px;
    border: 1px solid var(--payment-border);
    border-radius: 14px;
    background: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: border-color 150ms ease, background-color 150ms ease, box-shadow 150ms ease, transform 150ms ease;
}

.payment-channel-option:hover {
    border-color: #e9a5a3;
}

.payment-channel-option.active {
    border-color: var(--payment-accent);
    background: #fff8f7;
    box-shadow: inset 0 0 0 1px var(--payment-accent);
}

.payment-channel-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.payment-channel-icon {
    width: 38px;
    height: 38px;
    flex: 0 0 38px;
    border-radius: 11px;
    color: #ffffff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 21px;
}

.payment-channel-icon.alipay {
    background: #1677ff;
}

.payment-channel-icon.wxpay {
    background: #07b75b;
}

.payment-channel-copy {
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.payment-channel-copy strong {
    color: var(--payment-text);
    font-size: 14px;
}

.payment-channel-copy small {
    overflow: hidden;
    color: var(--payment-text-muted);
    font-size: 10px;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.payment-channel-option[data-channel="alipay"] .payment-channel-copy small {
    color: var(--payment-accent-strong);
    font-weight: 700;
}

.payment-channel-option[data-channel="alipay"] {
    border-color: #c6ddfb;
    background: #f7fbff;
}

.payment-channel-option[data-channel="alipay"]:hover {
    border-color: #72adf5;
    background: #f1f8ff;
}

.payment-channel-option[data-channel="alipay"]:has(input:checked) {
    border-color: #1677ff;
    background: #edf6ff;
    box-shadow: inset 0 0 0 1px #1677ff, 0 7px 18px rgba(22, 119, 255, 0.12);
}

.payment-channel-option[data-channel="alipay"] .payment-channel-check {
    color: #1677ff;
}

.payment-channel-offer {
    display: flex;
    align-items: center;
    gap: 5px;
    line-height: 1;
    white-space: nowrap;
}

.payment-channel-offer b {
    padding: 4px 6px;
    border-radius: 6px;
    background: #1677ff;
    color: #f7fbff;
    font-size: 10px;
    font-style: normal;
    font-weight: 800;
}

.payment-channel-offer em {
    color: #0b63ce;
    font-size: 12px;
    font-style: normal;
    font-weight: 800;
}

.payment-channel-check {
    position: absolute;
    right: 13px;
    color: var(--payment-accent);
    opacity: 0;
    transform: scale(0.75);
    transition: opacity 150ms ease, transform 150ms ease;
}

.payment-channel-option.active .payment-channel-check {
    opacity: 1;
    transform: scale(1);
}

.payment-modal-error {
    grid-column: 1 / -1;
    margin: 0;
    padding: 10px 12px;
    border-radius: 12px;
    background: #fff0f1;
    color: #a93245;
    font-size: 13px;
}

.payment-modal-footer {
    flex: 0 0 auto;
    padding: 13px 22px;
    border-top: 1px solid var(--payment-border);
    background: var(--payment-surface);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 18px;
}

.payment-safety-note {
    max-width: 44ch;
    color: var(--payment-text-muted);
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 11px;
    line-height: 1.45;
}

.payment-safety-note i {
    color: #708b44;
}

.payment-submit {
    min-width: 230px;
    min-height: 48px;
    padding: 0 20px;
    border: 0;
    border-radius: 12px;
    background: var(--payment-accent-strong);
    color: #ffffff;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 800;
    white-space: nowrap;
    box-shadow: 0 9px 22px rgba(207, 78, 75, 0.22);
    transition: background-color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.payment-submit:hover {
    background: #bd413f;
    box-shadow: 0 11px 24px rgba(207, 78, 75, 0.27);
}

.payment-submit:disabled {
    background: #a8acb4;
    cursor: not-allowed;
    box-shadow: none;
}

.payment-submit.success {
    background: #327a4e;
}

@media (max-width: 760px) {
    .payment-modal {
        padding: 0;
        place-items: end center;
    }

    .payment-dialog {
        width: 100%;
        max-height: 92dvh;
        border-right: 0;
        border-bottom: 0;
        border-left: 0;
        border-radius: 18px 18px 0 0;
        transform: translateY(24px);
    }

    .payment-modal-header {
        min-height: 72px;
        padding: 12px 14px;
        grid-template-columns: minmax(0, 1fr) 40px;
        gap: 10px;
    }

    .payment-title-icon {
        width: 40px;
        height: 40px;
        flex-basis: 40px;
    }

    .payment-modal-header h2 {
        font-size: 19px;
    }

    .payment-header-balance {
        display: none;
    }

    .payment-modal-body {
        padding: 0;
    }

    .payment-modal-content {
        padding: 14px;
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .payment-modal-section,
    .payment-preview-card {
        padding: 14px;
        border-radius: 14px;
    }

    .payment-preview-card {
        grid-column: 1;
        grid-row: auto;
        display: block;
    }

    .payment-preview-topline {
        min-width: 0;
        margin-bottom: 17px;
        padding-right: 0;
        border-right: 0;
    }

    .payment-preview-row {
        min-height: 34px;
        padding: 0;
        border-radius: 0;
        background: transparent;
        display: flex;
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
    }

    .payment-preview-bonus,
    .payment-preview-alipay {
        margin-top: 5px;
        padding: 0 9px;
        border-radius: 10px;
        background: rgba(232, 102, 99, 0.08);
    }

    .payment-preview-alipay {
        border: 1px solid #b9d7ff;
        background: #edf6ff;
    }

    .payment-modal-footer {
        padding: 12px 14px max(12px, env(safe-area-inset-bottom));
        background: color-mix(in srgb, var(--payment-surface) 95%, transparent);
        backdrop-filter: blur(14px);
    }

    .payment-safety-note {
        display: none;
    }

    .payment-submit {
        width: 100%;
        min-width: 0;
    }
}

@media (max-width: 560px) {
    .payment-channel-option {
        min-height: 80px;
    }

    .payment-channel-copy {
        overflow: hidden;
    }

    .payment-channel-offer {
        min-width: 0;
        align-items: flex-start;
        flex-direction: column;
        gap: 3px;
        white-space: normal;
    }

    .payment-channel-offer b,
    .payment-channel-offer em {
        max-width: 100%;
        white-space: nowrap;
    }

    .payment-channel-offer em {
        font-size: 11px;
    }
}

@media (max-width: 420px) {
    .recharge-plan {
        min-height: 116px;
        padding: 12px;
    }

    .recharge-plan-price img {
        width: 27px;
        height: 27px;
    }

    .recharge-plan-price strong {
        font-size: 21px;
    }

    .recharge-plan-badge {
        top: 7px;
        right: 7px;
        font-size: 9px;
    }

    .custom-recharge-block {
        grid-template-columns: 1fr 132px;
    }

    .payment-channel-option {
        min-height: 78px;
        padding: 9px 31px 9px 9px;
        gap: 7px;
    }

    .payment-channel-icon {
        width: 34px;
        height: 34px;
        flex-basis: 34px;
        font-size: 18px;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --payment-surface: #1b1d22;
        --payment-surface-muted: #252830;
        --payment-border: #363a44;
        --payment-text: #f1f2f4;
        --payment-text-muted: #adb2bd;
    }

    .payment-dialog,
    .payment-modal-header,
    .payment-modal-footer {
        border-color: var(--payment-border);
    }

    .payment-modal-section,
    .recharge-plan,
    .payment-channel-option {
        background: #202329;
    }

    .recharge-plan:hover,
    .recharge-plan.active,
    .payment-channel-option.active {
        background: #2d2426;
    }

    .payment-channel-option[data-channel="alipay"],
    .payment-channel-option[data-channel="alipay"]:hover,
    .payment-channel-option[data-channel="alipay"]:has(input:checked) {
        border-color: #315d91;
        background: #202c3a;
    }

    .payment-channel-option[data-channel="alipay"]:has(input:checked) {
        border-color: #4a9bff;
        box-shadow: inset 0 0 0 1px #4a9bff, 0 7px 18px rgba(22, 119, 255, 0.16);
    }

    .payment-channel-offer em,
    .payment-channel-option[data-channel="alipay"] .payment-channel-check {
        color: #80b9ff;
    }

    .payment-preview-alipay {
        border-color: #315d91;
        background: #202c3a;
        color: #80b9ff;
    }

    .payment-preview-alipay strong {
        color: #80b9ff;
    }

    .payment-header-balance,
    .payment-preview-card {
        border-color: #5d5330;
        background: #282619;
    }

    .payment-header-balance span,
    .payment-header-balance strong,
    .payment-preview-row,
    .payment-preview-row strong {
        color: #ded5ae;
    }

    .payment-channel-copy strong,
    .recharge-plan-price {
        color: var(--payment-text);
    }

    .recharge-plan-percent {
        border-color: #704b4a;
        background: #382628;
        color: #ffaaa6;
    }
}

@media (prefers-color-scheme: dark) and (min-width: 761px) {
    .payment-preview-row {
        background: rgba(255, 255, 255, 0.035);
    }
}

@media (prefers-reduced-motion: reduce) {
    .payment-modal,
    .payment-dialog,
    .payment-modal-close,
    .recharge-plan,
    .payment-channel-option,
    .payment-channel-check,
    .payment-submit {
        transition: none;
    }
}

@media (prefers-reduced-transparency: reduce) {
    .payment-modal {
        background: rgba(14, 17, 21, 0.9);
        backdrop-filter: none;
    }

    .payment-modal-header,
    .payment-modal-footer {
        backdrop-filter: none;
    }
}