/* Checkout - Pix, cartao e boleto via Mercado Pago (base: NDR Educacao) */
.ck-page {
    --ck-green: #177865;
    --ck-green-dark: #0f5e4f;
    --ck-green-soft: #e9f7f2;
    --ck-orange: #ff6f2c;
    --ck-ink: #1d2738;
    --ck-muted: #5f6f84;
    --ck-line: #e3e9f1;
    --ck-bg: #f4f7fb;
    --ck-radius: 14px;

    background:
        radial-gradient(1200px 400px at 85% -10%, rgba(23, 120, 101, .10), transparent 60%),
        var(--ck-bg);
    padding: 128px 0 80px;
    color: var(--ck-ink);
}

/* ---------- etapas ---------- */
.ck-steps {
    display: flex;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    flex-wrap: wrap;
}

.ck-steps li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 700;
    color: var(--ck-muted);
    padding-right: 28px;
    position: relative;
}

.ck-steps li:not(:last-child):after {
    content: "";
    position: absolute;
    right: 8px;
    top: 50%;
    width: 12px;
    height: 2px;
    background: #c8d3e0;
}

.ck-steps li span {
    display: inline-grid;
    place-items: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid #c8d3e0;
    font-size: 13px;
}

.ck-steps li.done span {
    background: var(--ck-green);
    border-color: var(--ck-green);
    color: #fff;
}

.ck-steps li.active {
    color: var(--ck-ink);
}

.ck-steps li.active span {
    border-color: var(--ck-green);
    color: var(--ck-green);
    box-shadow: 0 0 0 4px rgba(23, 120, 101, .14);
}

/* ---------- cabecalho ---------- */
.ck-head {
    margin-bottom: 26px;
}

.ck-head h1 {
    font-size: 34px;
    line-height: 1.15;
    margin: 0 0 8px;
    color: var(--ck-ink);
}

.ck-head p {
    margin: 0;
    color: var(--ck-muted);
    font-size: 16px;
}

/* ---------- layout ---------- */
.ck-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 370px;
    gap: 28px;
    align-items: start;
}

.ck-card {
    background: #fff;
    border: 1px solid var(--ck-line);
    border-radius: var(--ck-radius);
    box-shadow: 0 20px 50px rgba(22, 32, 50, .07);
    padding: 24px;
}

.ck-summary {
    position: sticky;
    top: 110px;
}

/* ---------- abas de forma de pagamento ---------- */
.ck-methods {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 12px;
    margin-bottom: 22px;
}

.ck-method {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    text-align: left;
    padding: 16px;
    border: 2px solid var(--ck-line);
    border-radius: 12px;
    background: #fbfcfe;
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s, background .15s, transform .15s;
}

.ck-method:hover {
    border-color: #b9cadb;
    transform: translateY(-1px);
}

.ck-method:focus-visible {
    outline: 3px solid rgba(23, 120, 101, .35);
    outline-offset: 2px;
}

.ck-method i {
    font-size: 22px;
    color: var(--ck-muted);
    margin-bottom: 6px;
}

.ck-method-name {
    font-weight: 800;
    font-size: 16px;
    color: var(--ck-ink);
}

.ck-method-hint {
    font-size: 13px;
    color: var(--ck-muted);
    line-height: 1.35;
}

.ck-method.active {
    border-color: var(--ck-green);
    background: var(--ck-green-soft);
    box-shadow: 0 10px 24px rgba(23, 120, 101, .14);
}

.ck-method.active i {
    color: var(--ck-green);
}

.ck-badge {
    position: absolute;
    top: -10px;
    right: 12px;
    background: var(--ck-orange);
    color: #fff;
    font-size: 11px;
    font-weight: 800;
    letter-spacing: .3px;
    text-transform: uppercase;
    padding: 3px 9px;
    border-radius: 999px;
    box-shadow: 0 6px 14px rgba(255, 111, 44, .3);
}

/* ---------- botoes ---------- */
.ck-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    border: 0;
    border-radius: 10px;
    padding: 0 20px;
    min-height: 48px;
    font-weight: 800;
    font-size: 15px;
    text-decoration: none;
    cursor: pointer;
    transition: background .15s, box-shadow .15s, transform .15s;
}

.ck-btn:disabled {
    opacity: .7;
    cursor: wait;
}

.ck-btn-primary,
.ck-btn-primary:hover,
.ck-btn-primary:focus {
    color: #fff;
}

.ck-btn-primary {
    background: var(--ck-orange);
    box-shadow: 0 12px 26px rgba(255, 111, 44, .28);
}

.ck-btn-primary:hover {
    background: #e95e20;
    transform: translateY(-1px);
}

.ck-btn-lg {
    width: 100%;
    min-height: 58px;
    font-size: 17px;
}

.ck-btn-dark {
    background: var(--ck-ink);
    color: #fff;
    white-space: nowrap;
}

.ck-btn-dark:hover {
    background: #000;
    color: #fff;
}

.ck-btn-dark.copied {
    background: var(--ck-green);
}

/* ---------- Pix ---------- */
.ck-benefits {
    list-style: none;
    padding: 0;
    margin: 0 0 22px;
    display: grid;
    gap: 12px;
}

.ck-benefits li {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ck-ink);
    font-weight: 600;
}

.ck-benefits i {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--ck-green-soft);
    color: var(--ck-green);
    font-size: 15px;
    flex: none;
}

.ck-pix-result {
    display: grid;
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
}

.ck-pix-result[hidden] {
    display: none;
}

.ck-pix-qr {
    text-align: center;
}

.ck-pix-qr img {
    width: 100%;
    max-width: 240px;
    border: 1px solid var(--ck-line);
    border-radius: 12px;
    padding: 10px;
    background: #fff;
}

.ck-live {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    font-size: 13px;
    font-weight: 700;
    color: var(--ck-green);
}

.ck-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--ck-green);
    animation: ck-pulse 1.4s ease-out infinite;
}

@keyframes ck-pulse {
    0% { box-shadow: 0 0 0 0 rgba(23, 120, 101, .5); }
    100% { box-shadow: 0 0 0 10px rgba(23, 120, 101, 0); }
}

.ck-pix-steps {
    margin: 0 0 18px;
    padding-left: 20px;
    color: var(--ck-muted);
    line-height: 1.55;
}

.ck-pix-steps li {
    margin-bottom: 6px;
}

.ck-label {
    display: block;
    font-weight: 700;
    font-size: 14px;
    margin-bottom: 6px;
}

.ck-copy {
    display: flex;
    gap: 8px;
}

.ck-copy .form-control {
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    font-size: 13px;
    min-height: 48px;
    border-radius: 10px;
    background: #f8fafc;
}

/* ---------- Payment Brick ---------- */
.ck-loading {
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--ck-muted);
    font-weight: 600;
    padding: 12px 0;
}

.ck-loading[hidden] {
    display: none;
}

.ck-spinner {
    width: 22px;
    height: 22px;
    border: 3px solid var(--ck-line);
    border-top-color: var(--ck-green);
    border-radius: 50%;
    animation: ck-spin .8s linear infinite;
}

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

/* ---------- alertas e status ---------- */
.ck-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    border-radius: 12px;
    padding: 14px 16px;
    margin-bottom: 16px;
    font-weight: 600;
}

.ck-alert[hidden] {
    display: none;
}

.ck-alert-error {
    background: #fff2f2;
    border: 1px solid #f3c2c2;
    color: #a12828;
}

.ck-alert-error i {
    margin-top: 3px;
}

.ck-status {
    display: flex;
    gap: 16px;
    border-radius: var(--ck-radius);
    padding: 20px;
    margin-bottom: 18px;
    border: 1px solid var(--ck-line);
    background: #fff;
    animation: ck-in .25s ease-out;
}

.ck-status[hidden] {
    display: none;
}

@keyframes ck-in {
    from { opacity: 0; transform: translateY(-6px); }
    to { opacity: 1; transform: none; }
}

.ck-status-icon {
    font-size: 30px;
    line-height: 1;
}

.ck-status h3 {
    font-size: 20px;
    margin: 0 0 4px;
}

.ck-status p {
    color: var(--ck-muted);
    margin: 0 0 12px;
}

.ck-status p:last-child {
    margin: 0;
}

.ck-status.success {
    border-color: #a9e3cf;
    background: #effbf6;
}

.ck-status.success .ck-status-icon {
    color: var(--ck-green);
}

.ck-status.pending {
    border-color: #fbdca0;
    background: #fff9ec;
}

.ck-status.pending .ck-status-icon {
    color: #d68a00;
}

.ck-status.failed {
    border-color: #f3c2c2;
    background: #fff4f4;
}

.ck-status.failed .ck-status-icon {
    color: #c43a3a;
}

.ck-secure-note {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 16px 4px 0;
    font-size: 13px;
    color: var(--ck-muted);
}

.ck-secure-note i {
    color: var(--ck-green);
}

/* ---------- resumo ---------- */
.ck-chip {
    display: inline-block;
    background: var(--ck-green-soft);
    color: var(--ck-green);
    font-weight: 800;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: .4px;
    padding: 5px 10px;
    border-radius: 999px;
}

.ck-course {
    font-size: 22px;
    line-height: 1.25;
    margin: 12px 0 16px;
    color: var(--ck-ink);
}

.ck-items {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    display: grid;
    gap: 8px;
    font-size: 14px;
}

.ck-items li {
    display: flex;
    gap: 8px;
}

.ck-items i {
    color: var(--ck-green);
    margin-top: 4px;
    font-size: 12px;
}

.ck-total {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    border-top: 1px dashed var(--ck-line);
    padding-top: 16px;
}

.ck-total span {
    font-weight: 700;
    color: var(--ck-muted);
}

.ck-total strong {
    font-size: 32px;
    font-weight: 900;
    color: var(--ck-green);
}

.ck-installments {
    text-align: right;
    font-size: 14px;
    color: var(--ck-muted);
    font-weight: 700;
    margin: 2px 0 0;
}

.ck-trust {
    list-style: none;
    padding: 18px 0 0;
    margin: 18px 0 0;
    border-top: 1px solid var(--ck-line);
    display: grid;
    gap: 14px;
}

.ck-trust li {
    display: flex;
    gap: 12px;
}

.ck-trust i {
    color: var(--ck-green);
    font-size: 18px;
    width: 22px;
    margin-top: 2px;
    text-align: center;
}

.ck-trust strong {
    display: block;
    font-size: 14px;
}

.ck-trust span {
    font-size: 13px;
    color: var(--ck-muted);
    line-height: 1.4;
}

.ck-help {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-top: 14px;
    padding: 16px 18px;
    border-radius: var(--ck-radius);
    background: #fff;
    border: 1px solid var(--ck-line);
    color: var(--ck-ink);
    text-decoration: none;
    transition: border-color .15s;
}

.ck-help:hover {
    border-color: #25d366;
    color: var(--ck-ink);
}

.ck-help i {
    font-size: 28px;
    color: #25d366;
}

.ck-help strong {
    display: block;
}

.ck-help span {
    font-size: 14px;
    color: var(--ck-muted);
}

/* ---------- responsivo ---------- */
@media (max-width: 991px) {
    .ck-page {
        padding-top: 104px;
    }

    .ck-grid {
        grid-template-columns: 1fr;
    }

    /* No celular o resumo aparece antes do pagamento */
    .ck-summary {
        position: static;
        order: -1;
    }

    .ck-trust,
    .ck-help {
        display: none;
    }
}

@media (max-width: 640px) {
    .ck-head h1 {
        font-size: 26px;
    }

    .ck-card {
        padding: 18px;
    }

    .ck-methods {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .ck-method {
        display: grid;
        grid-template-columns: 30px 1fr;
        column-gap: 10px;
        align-items: center;
        padding: 14px;
    }

    .ck-method i {
        grid-row: span 2;
        margin: 0;
    }

    .ck-pix-result {
        grid-template-columns: 1fr;
    }

    .ck-copy {
        flex-direction: column;
    }

    .ck-steps li {
        font-size: 13px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .ck-dot,
    .ck-spinner,
    .ck-status {
        animation: none;
    }
}

/* ---------- pagina de retorno ---------- */
.ck-result {
    max-width: 640px;
    margin: 0 auto;
    text-align: center;
    padding: 40px 32px;
}

.ck-result-icon {
    display: grid;
    place-items: center;
    width: 84px;
    height: 84px;
    margin: 0 auto 20px;
    border-radius: 50%;
    font-size: 36px;
    animation: ck-pop .4s cubic-bezier(.2, 1.4, .4, 1);
}

@keyframes ck-pop {
    from { transform: scale(.4); opacity: 0; }
    to { transform: scale(1); opacity: 1; }
}

.ck-result-icon.success { background: #e3f6ef; color: var(--ck-green); box-shadow: 0 0 0 10px #f1fbf7; }
.ck-result-icon.pending { background: #fff3d9; color: #d68a00; box-shadow: 0 0 0 10px #fffaf0; }
.ck-result-icon.failed { background: #fde7e7; color: #c43a3a; box-shadow: 0 0 0 10px #fff5f5; }

.ck-result h1 {
    font-size: 30px;
    margin: 0 0 10px;
    color: var(--ck-ink);
}

.ck-result-text {
    color: var(--ck-muted);
    font-size: 16px;
    margin: 0 auto 26px;
    max-width: 480px;
}

.ck-result-steps {
    list-style: none;
    padding: 0;
    margin: 0 0 28px;
    display: grid;
    gap: 12px;
    text-align: left;
}

.ck-result-steps li {
    display: flex;
    gap: 14px;
    padding: 14px 16px;
    border: 1px solid var(--ck-line);
    border-radius: 12px;
    background: #fbfcfe;
}

.ck-result-steps i {
    display: inline-grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: var(--ck-green-soft);
    color: var(--ck-green);
    flex: none;
}

.ck-result-steps strong {
    display: block;
    font-size: 15px;
}

.ck-result-steps span {
    font-size: 14px;
    color: var(--ck-muted);
}

.ck-result-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.ck-btn-ghost {
    background: #fff;
    border: 2px solid var(--ck-line);
    color: var(--ck-ink);
}

.ck-btn-ghost:hover {
    border-color: #25d366;
    color: var(--ck-ink);
}

.ck-btn-ghost i {
    color: #25d366;
}

.ck-result-back {
    display: inline-block;
    margin-top: 18px;
    font-size: 14px;
    color: var(--ck-muted);
    text-decoration: underline;
}

@media (max-width: 640px) {
    .ck-result {
        padding: 28px 18px;
    }

    .ck-result h1 {
        font-size: 24px;
    }

    .ck-result-actions .ck-btn {
        width: 100%;
    }
}