/* Isolated payment receipt UI; uses local assets and no external fonts. */
.synx-payment-flow {
    --synx-ink: #223b34;
    --synx-green: #23594f;
    --synx-line: #d9e2d7;
    --synx-muted: #5d6b63;
    box-sizing: border-box;
    clear: both;
    width: 100%;
    min-width: 0;
    margin: 28px 0;
    padding: clamp(18px, 3vw, 32px);
    border: 1px solid var(--synx-line);
    border-radius: 16px;
    background: #fffefa;
    color: var(--synx-ink);
    font: 16px/1.65 Arial, Helvetica, sans-serif;
    overflow-wrap: anywhere;
    scroll-margin-top: 110px;
}
.synx-payment-flow *, .synx-payment-flow *::before, .synx-payment-flow *::after { box-sizing: border-box; }
.synx-payment-flow [hidden] { display: none !important; }
.synx-payment-flow h2 { margin: 0 0 12px; font-size: clamp(24px, 3vw, 30px); line-height: 1.2; letter-spacing: -.6px; }
.synx-payment-flow h3 { margin: 0 0 10px; font-size: 20px; line-height: 1.35; letter-spacing: -.25px; }
.synx-payment-flow p { margin: 0 0 14px; }
.synx-payment-flow a { color: var(--synx-green); text-decoration: underline; text-underline-offset: 3px; }
.synx-payment-flow button:focus-visible, .synx-payment-flow input:focus-visible,
.synx-payment-flow textarea:focus-visible, .synx-payment-flow a:focus-visible,
.synx-payment-flow [tabindex]:focus-visible { outline: 3px solid #a58152; outline-offset: 3px; }
.synx-payment-flow .synx-payment-status {
    display: block;
    padding: 14px 16px;
    margin: 16px 0 24px;
    border-left: 4px solid var(--synx-green);
    border-radius: 0 8px 8px 0;
    background: #eef3ea;
    color: #234b3f;
    font-size: 15px;
}
.synx-payment-flow .synx-payment-status[data-state="expired"],
.synx-payment-flow .synx-payment-status[data-state="error"] { border-color: #986522; background: #fbf2e0; color: #694518; }
.synx-payment-flow .synx-payment-status[data-state="confirmed"] { border-color: #2b6f45; background: #eaf4e8; color: #245239; }
.synx-payment-flow .synx-payment-steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    counter-reset: synx-payment-step;
    list-style: none;
    margin: 24px 0;
    padding: 0;
}
.synx-payment-flow .synx-payment-steps > li {
    min-width: 0;
    position: relative;
    padding: 18px 15px;
    margin: 0;
    border: 1px solid var(--synx-line);
    border-radius: 10px;
    background: #f8f9f3;
    color: var(--synx-muted);
    font-size: 14px;
}
.synx-payment-flow .synx-payment-steps > li::before {
    counter-increment: synx-payment-step;
    content: counter(synx-payment-step, decimal-leading-zero);
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    margin-bottom: 12px;
    border: 1px solid #c6d1c3;
    border-radius: 50%;
    color: #3c6353;
    font-size: 12px;
    font-weight: 700;
}
.synx-payment-flow .synx-payment-steps > li[aria-current="step"] { border-color: var(--synx-green); background: #eef4eb; color: var(--synx-ink); }
.synx-payment-flow .synx-payment-steps > li[aria-current="step"]::before,
.synx-payment-flow .synx-payment-steps > li.is-complete::before { background: var(--synx-green); border-color: var(--synx-green); color: #fff; }
.synx-payment-flow .synx-payment-steps strong { display: block; color: var(--synx-ink); font-size: 16px; line-height: 1.4; margin-bottom: 6px; }
.synx-payment-flow .synx-payment-steps p { font-size: 14px; margin: 0; }
.synx-payment-flow .synx-payment-details { display: grid; gap: 0; margin: 24px 0; padding: 0; border-top: 1px solid var(--synx-line); }
.synx-payment-flow .synx-payment-field { min-width: 0; padding: 16px 0; border-bottom: 1px solid var(--synx-line); }
.synx-payment-flow .synx-payment-field dt, .synx-payment-flow .synx-field-label { display: block; margin: 0 0 7px; color: var(--synx-muted); font-size: 14px; font-weight: 600; }
.synx-payment-flow .synx-payment-field dd { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 14px; margin: 0; min-width: 0; }
.synx-payment-flow .synx-copy-value { min-width: 0; max-width: 100%; color: #153d35; font: 16px/1.65 ui-monospace, SFMono-Regular, Consolas, monospace; white-space: normal; overflow-wrap: anywhere; word-break: break-word; user-select: text; }
.synx-payment-flow .synx-payment-field .synx-copy-value { flex: 1 1 220px; }
.synx-payment-flow .synx-copy-group { display: flex; align-items: baseline; flex-wrap: wrap; gap: 6px 10px; flex: 1 1 220px; min-width: 0; max-width: 100%; }
.synx-payment-flow .synx-copy-group .synx-copy-value { flex: 0 1 auto; }
.synx-payment-flow .synx-copy-amount .synx-copy-value { font-size: clamp(22px, 4vw, 28px); font-weight: 600; }
.synx-payment-flow .synx-copy-unit { color: var(--synx-muted); font: 600 15px/1.4 Arial, Helvetica, sans-serif; }
.synx-payment-flow .synx-payment-amount { font-size: clamp(22px, 4vw, 30px); font-weight: 600; }
.synx-payment-flow [data-synx-copy] { display: none; }
.synx-payment-flow [data-synx-copy][data-synx-copy-ready="true"] {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    flex: 0 0 auto;
    min-height: 44px;
    max-width: 100%;
    padding: 9px 16px;
    border: 1px solid #a9bca9;
    border-radius: 24px;
    background: #fffefa;
    color: var(--synx-green);
    font: 600 14px/1.4 Arial, Helvetica, sans-serif;
    white-space: normal;
    cursor: pointer;
}
.synx-payment-flow [data-synx-copy]:hover { background: #eef4eb; border-color: var(--synx-green); }
.synx-payment-flow .synx-copy-feedback { margin: 14px 0; color: #355b47; font-size: 14px; }
.synx-payment-flow .synx-copy-feedback:empty { display: none; }
.synx-payment-flow .synx-payment-help { padding: 16px; margin: 18px 0; border-radius: 8px; background: #f1f4eb; font-size: 14px; color: #465c4e; }
.synx-payment-flow form[data-synx-proof-form] { margin: 26px 0 0; padding-top: 24px; border-top: 1px solid var(--synx-line); max-width: 100%; }
.synx-payment-flow form[data-synx-proof-form] label { display: block; margin-bottom: 8px; font-size: 15px; font-weight: 600; }
.synx-payment-flow form[data-synx-proof-form] input:not([type="hidden"]):not([type="checkbox"]):not([type="radio"]),
.synx-payment-flow form[data-synx-proof-form] textarea { display: block; width: 100%; max-width: 100%; min-width: 0; margin: 8px 0 16px; padding: 12px 14px; border: 1px solid #a9bba9; border-radius: 6px; background: #fff; color: var(--synx-ink); font: 16px/1.5 Arial, Helvetica, sans-serif; }
.synx-payment-flow form[data-synx-proof-form] textarea { resize: vertical; min-height: 100px; }
.synx-payment-flow form[data-synx-proof-form] input[type="checkbox"] { width: 18px; height: 18px; margin: 3px 8px 3px 0; vertical-align: middle; }
.synx-payment-flow form.synx-payment-proof-form { padding: 22px; border: 1px solid #a6bba7; border-left: 4px solid var(--synx-green); border-radius: 10px; background: #f3f7ee; }
.synx-payment-flow .synx-payment-faq { margin: 18px 0; padding: 0; border-top: 1px solid var(--synx-line); border-bottom: 1px solid var(--synx-line); }
.synx-payment-flow .synx-payment-faq summary { min-height: 48px; padding: 13px 4px; color: var(--synx-green); font-size: 15px; font-weight: 600; line-height: 1.5; cursor: pointer; }
.synx-payment-flow .synx-payment-faq summary:focus-visible { outline: 3px solid #a58152; outline-offset: 3px; }
.synx-payment-flow .synx-payment-faq p { padding: 0 4px 14px; margin: 0; color: var(--synx-muted); font-size: 14px; }
.synx-payment-flow [data-synx-proof-form] [data-synx-submit] { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; max-width: 100%; margin: 8px 0 0; padding: 13px 22px; border: 1px solid var(--synx-green); border-radius: 28px; background: var(--synx-green); color: #fff; font: 600 16px/1.4 Arial, Helvetica, sans-serif; white-space: normal; text-align: center; cursor: pointer; }
.synx-payment-flow [data-synx-proof-form] [data-synx-submit]:hover { background: #153d35; }
.synx-payment-flow button:disabled { opacity: .65; cursor: wait; }
.synx-payment-flow .synx-payment-history { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--synx-line); }
.synx-payment-flow .synx-payment-history > ul { list-style: none; margin: 12px 0 0; padding: 0; }
.synx-payment-flow .synx-payment-history li { margin: 0; padding: 14px 0; border-bottom: 1px solid var(--synx-line); }
.synx-payment-flow .synx-payment-history time { display: block; color: var(--synx-muted); font-size: 13px; }
.synx-payment-flow .synx-payment-record,
.synx-payment-flow#synx-payment-review-admin > details { margin: 18px 0; padding: 16px; border: 1px solid var(--synx-line); border-radius: 10px; background: #fff; }
.synx-payment-flow .synx-payment-record > summary,
.synx-payment-flow#synx-payment-review-admin > details > summary { min-height: 44px; padding: 10px 0; color: var(--synx-ink); font: 600 15px/1.5 Arial, Helvetica, sans-serif; cursor: pointer; }
.synx-payment-flow .synx-payment-record > summary:focus-visible,
.synx-payment-flow#synx-payment-review-admin > details > summary:focus-visible { outline: 3px solid #a58152; outline-offset: 3px; }
.synx-payment-flow .synx-payment-record .synx-payment-details { margin-top: 10px; }
.synx-payment-flow textarea[form^="synx-review-form-"] { display: block; width: 100%; max-width: 100%; min-width: 0; margin: 10px 0 16px; padding: 12px; border: 1px solid #a9bba9; border-radius: 6px; background: #fff; color: var(--synx-ink); font: 16px/1.5 Arial, Helvetica, sans-serif; resize: vertical; }
.synx-payment-flow button[form^="synx-review-form-"] { min-height: 44px; max-width: 100%; padding: 9px 14px; margin: 4px 4px 4px 0; white-space: normal; font-size: 14px; line-height: 1.5; }
@media (max-width: 600px) {
    .synx-payment-flow { margin: 22px 0; border-radius: 12px; }
    .synx-payment-flow .synx-payment-steps { grid-template-columns: minmax(0, 1fr); gap: 10px; margin: 20px 0; }
    .synx-payment-flow .synx-payment-steps > li { padding: 15px 15px 15px 62px; }
    .synx-payment-flow .synx-payment-steps > li::before { position: absolute; left: 15px; top: 16px; width: 32px; height: 32px; margin: 0; }
    .synx-payment-flow form.synx-payment-proof-form { padding: 17px; }
    .synx-payment-flow [data-synx-proof-form] [data-synx-submit] { width: 100%; }
}