/* =========================================================
   DONATE (trang ủng hộ + các điểm dẫn tới trang đó)
   ========================================================= */

.donate-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;

    padding: 6px 12px;

    border-radius: 999px;

    background: #c0392b;
    color: #fff !important;

    font-size: 13px;
    font-weight: 600;
    line-height: 1;

    text-decoration: none;
    white-space: nowrap;
}

.donate-link:hover {
    background: #a93226;
    color: #fff !important;
}

.mobile-donate {
    display: flex;
    justify-content: center;

    margin-top: 12px;
}

.mobile-donate .donate-link {
    padding: 10px 18px;
    font-size: 14px;
}

@media (max-width: 700px) {
    .site-nav .donate-link {
        display: none;
    }
}


/* ---------- Nút nổi ---------- */

.donate-pill {
    position: fixed;
    right: 14px;
    bottom: 16px;
    z-index: 700;

    padding: 9px 14px;

    border-radius: 999px;

    background: #c0392b;
    color: #fff;

    font: 600 13px/1 system-ui, -apple-system, "Segoe UI", sans-serif;

    text-decoration: none;

    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}

.donate-pill:hover {
    background: #a93226;
    color: #fff;
}

@media (max-width: 767px) {
    .donate-pill {
        right: 10px;
        bottom: 84px;

        padding: 7px 11px;

        font-size: 12px;

        opacity: 0.9;
    }
}


/* ---------- Khung cuối chương ---------- */

.donate-box {
    max-width: 640px;

    margin: 28px auto 0;
    padding: 16px;

    border: 1px solid rgba(192, 57, 43, 0.35);
    border-radius: 12px;

    background: rgba(192, 57, 43, 0.07);

    text-align: center;
}

.donate-box p {
    margin: 0 0 10px;

    font-size: 14px;
    line-height: 1.55;
}

.donate-box .donate-link {
    padding: 10px 18px;
    font-size: 14px;
}


/* ---------- Trang ủng hộ ---------- */

.donate-card {
    max-width: 460px;

    margin: 0 auto 18px;
    padding: 16px;

    border: 1px solid #e4dfd3;
    border-radius: 12px;

    background: #fff;
    color: #222;

    text-align: center;
}

.donate-card img {
    width: 100%;
    max-width: 320px;
    height: auto;
}

.donate-card dl {
    margin: 12px 0 0;

    text-align: left;
    font-size: 15px;
}

.donate-card dt {
    margin-top: 8px;

    color: #777;
    font-size: 12px;
}

.donate-card dd {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;

    margin: 0;

    font-weight: 600;
}

.donate-card button {
    padding: 4px 10px;

    border: 1px solid #e4dfd3;
    border-radius: 6px;

    background: #faf7f0;
    color: #222;

    font-size: 13px;
    cursor: pointer;
}

.donate-hint {
    color: #777;
    font-size: 13px;
}