/*
 * UnB PagTesouro — formulário [pagtesouro]
 *
 * Tudo escopado em .unb-pag. Cores e raios são custom properties: o tema
 * pode sobrescrevê-las, por exemplo
 *   .unb-pag { --unb-pag-primary: #00843D; }
 */

.unb-pag {
    --unb-pag-primary: #003a70;          /* azul UnB, Pantone 654 C */
    --unb-pag-primary-hover: #002a52;
    --unb-pag-accent: #00843d;           /* verde UnB, Pantone 348 C */
    --unb-pag-danger: #b3261e;
    --unb-pag-danger-bg: #fdecea;
    --unb-pag-bg: #ffffff;
    --unb-pag-surface: #f5f7fa;
    --unb-pag-text: #1b2430;
    --unb-pag-muted: #5b6776;
    --unb-pag-border: #cfd6df;
    --unb-pag-focus: 0 0 0 3px rgba(0, 58, 112, .28);
    --unb-pag-radius: 12px;
    --unb-pag-radius-sm: 8px;
    --unb-pag-shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 8px 24px rgba(16, 24, 40, .08);

    color: var(--unb-pag-text);
    font: inherit;
    line-height: 1.5;
    margin: 0 auto 2rem;
    max-width: 760px;
    width: 100%;
}

.unb-pag *,
.unb-pag *::before,
.unb-pag *::after { box-sizing: border-box; }

.unb-pag [hidden] { display: none !important; }

/* ---------- Temas ---------- */

.unb-pag--escuro {
    --unb-pag-primary: #7fb2e5;
    --unb-pag-primary-hover: #a3c8ee;
    --unb-pag-accent: #4cc185;
    --unb-pag-danger: #ffb4ab;
    --unb-pag-danger-bg: #3b1d1b;
    --unb-pag-bg: #16202c;
    --unb-pag-surface: #1e2a38;
    --unb-pag-text: #e8edf3;
    --unb-pag-muted: #a4b0bf;
    --unb-pag-border: #34455a;
    --unb-pag-focus: 0 0 0 3px rgba(127, 178, 229, .4);
    --unb-pag-shadow: 0 8px 24px rgba(0, 0, 0, .35);
}

@media (prefers-color-scheme: dark) {
    .unb-pag--auto {
        --unb-pag-primary: #7fb2e5;
        --unb-pag-primary-hover: #a3c8ee;
        --unb-pag-accent: #4cc185;
        --unb-pag-danger: #ffb4ab;
        --unb-pag-danger-bg: #3b1d1b;
        --unb-pag-bg: #16202c;
        --unb-pag-surface: #1e2a38;
        --unb-pag-text: #e8edf3;
        --unb-pag-muted: #a4b0bf;
        --unb-pag-border: #34455a;
        --unb-pag-focus: 0 0 0 3px rgba(127, 178, 229, .4);
        --unb-pag-shadow: 0 8px 24px rgba(0, 0, 0, .35);
    }
}

/* ---------- Cartão ---------- */

.unb-pag__card {
    background: var(--unb-pag-bg);
    border: 1px solid var(--unb-pag-border);
    border-radius: var(--unb-pag-radius);
    box-shadow: var(--unb-pag-shadow);
    padding: clamp(1.25rem, 4vw, 2rem);
}

.unb-pag__header {
    align-items: flex-start;
    display: flex;
    gap: .875rem;
    margin-bottom: 1.5rem;
}

.unb-pag__badge {
    align-items: center;
    background: color-mix(in srgb, var(--unb-pag-primary) 12%, transparent);
    border-radius: 10px;
    color: var(--unb-pag-primary);
    display: inline-flex;
    flex: 0 0 auto;
    height: 44px;
    justify-content: center;
    width: 44px;
}

.unb-pag__title {
    color: var(--unb-pag-text);
    font-size: clamp(1.25rem, 2.6vw, 1.5rem);
    font-weight: 700;
    line-height: 1.25;
    margin: 0 0 .25rem;
}

.unb-pag__title:focus { outline: none; }

.unb-pag__desc {
    color: var(--unb-pag-muted);
    font-size: .95rem;
    margin: 0;
}

/* ---------- Campos ---------- */

.unb-pag__form { margin: 0; }

.unb-pag__grid {
    display: grid;
    gap: 0 1rem;
    grid-template-columns: 1fr;
}

@media (min-width: 640px) {
    .unb-pag__grid { grid-template-columns: 1.15fr 1fr; }
}

.unb-pag__field { margin-bottom: 1.1rem; min-width: 0; }

.unb-pag__label {
    color: var(--unb-pag-text);
    display: block;
    font-size: .925rem;
    font-weight: 600;
    margin-bottom: .375rem;
}

.unb-pag__req { color: var(--unb-pag-danger); }

.unb-pag .unb-pag__input {
    appearance: none;
    background: var(--unb-pag-bg);
    border: 1.5px solid var(--unb-pag-border);
    border-radius: var(--unb-pag-radius-sm);
    box-shadow: none;
    color: var(--unb-pag-text);
    font: inherit;
    font-size: 1rem;
    height: 48px;
    line-height: 1.2;
    margin: 0;
    max-width: none;
    padding: 0 .875rem;
    transition: border-color .15s ease, box-shadow .15s ease;
    width: 100%;
}

.unb-pag .unb-pag__input::placeholder { color: var(--unb-pag-muted); opacity: .6; }

.unb-pag .unb-pag__input:hover { border-color: color-mix(in srgb, var(--unb-pag-primary) 45%, var(--unb-pag-border)); }

.unb-pag .unb-pag__input:focus {
    border-color: var(--unb-pag-primary);
    box-shadow: var(--unb-pag-focus);
    outline: none;
}

.unb-pag .unb-pag__input[aria-invalid="true"] {
    border-color: var(--unb-pag-danger);
}

.unb-pag .unb-pag__input[aria-invalid="true"]:focus {
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--unb-pag-danger) 25%, transparent);
}

.unb-pag .unb-pag__input--mono {
    font-variant-numeric: tabular-nums;
    letter-spacing: .02em;
    text-transform: uppercase;
}

.unb-pag__money { position: relative; }

.unb-pag__prefix {
    color: var(--unb-pag-muted);
    font-weight: 600;
    left: .875rem;
    pointer-events: none;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
}

.unb-pag .unb-pag__input--money {
    font-variant-numeric: tabular-nums;
    padding-left: 2.6rem;
    text-align: right;
}

.unb-pag__hint {
    color: var(--unb-pag-muted);
    font-size: .8125rem;
    margin: .375rem 0 0;
}

.unb-pag__error {
    color: var(--unb-pag-danger);
    font-size: .8125rem;
    font-weight: 500;
    margin: .375rem 0 0;
}

.unb-pag__error:empty { display: none; }

.unb-pag__error::before { content: "⚠ "; }

/* Honeypot: fora da tela, mas não display:none (alguns robôs pulam esses). */
.unb-pag__hp {
    height: 1px;
    left: -10000px;
    overflow: hidden;
    position: absolute;
    width: 1px;
}

.unb-pag__sr {
    border: 0;
    clip: rect(0 0 0 0);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    white-space: nowrap;
    width: 1px;
}

.unb-pag__field--captcha { margin-top: .25rem; }

.unb-pag__captcha { min-height: 78px; }

/* ---------- Botões ---------- */

.unb-pag__actions {
    align-items: center;
    border-top: 1px solid var(--unb-pag-border);
    display: flex;
    flex-wrap: wrap;
    gap: .75rem 1.25rem;
    margin-top: .5rem;
    padding-top: 1.25rem;
}

.unb-pag .unb-pag__btn {
    align-items: center;
    border: 1.5px solid transparent;
    border-radius: 999px;
    cursor: pointer;
    display: inline-flex;
    font: inherit;
    font-size: 1rem;
    font-weight: 600;
    gap: .5rem;
    justify-content: center;
    line-height: 1;
    min-height: 48px;
    padding: 0 1.5rem;
    text-decoration: none;
    text-transform: none;
    transition: background-color .15s ease, border-color .15s ease, color .15s ease, transform .1s ease;
}

.unb-pag .unb-pag__btn:focus-visible { box-shadow: var(--unb-pag-focus); outline: none; }

.unb-pag .unb-pag__btn:active { transform: translateY(1px); }

.unb-pag .unb-pag__btn--primary {
    background: var(--unb-pag-primary);
    color: #fff;
}

.unb-pag--escuro .unb-pag__btn--primary { color: #0b1a2a; }

@media (prefers-color-scheme: dark) {
    .unb-pag--auto .unb-pag__btn--primary { color: #0b1a2a; }
}

.unb-pag .unb-pag__btn--primary:hover { background: var(--unb-pag-primary-hover); }

.unb-pag .unb-pag__btn--ghost {
    background: transparent;
    border-color: var(--unb-pag-border);
    color: var(--unb-pag-primary);
}

.unb-pag .unb-pag__btn--ghost:hover {
    background: var(--unb-pag-surface);
    border-color: var(--unb-pag-primary);
}

.unb-pag .unb-pag__btn--sm { font-size: .9rem; min-height: 40px; padding: 0 1.1rem; }

.unb-pag .unb-pag__btn[disabled],
.unb-pag .unb-pag__btn[aria-busy="true"] { cursor: progress; opacity: .75; }

@media (max-width: 479px) {
    .unb-pag__actions .unb-pag__btn--primary { width: 100%; }
}

.unb-pag .unb-pag__link {
    background: none;
    border: 0;
    color: var(--unb-pag-primary);
    cursor: pointer;
    font: inherit;
    padding: 0;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.unb-pag .unb-pag__link[aria-pressed="true"] { font-weight: 600; text-decoration: none; }

.unb-pag__spinner {
    animation: unb-pag-spin .7s linear infinite;
    border: 2.5px solid currentColor;
    border-radius: 50%;
    border-right-color: transparent;
    display: none;
    height: 18px;
    width: 18px;
}

.unb-pag__btn[aria-busy="true"] .unb-pag__spinner { display: inline-block; }

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

.unb-pag__secure {
    align-items: center;
    color: var(--unb-pag-muted);
    display: flex;
    font-size: .8125rem;
    gap: .375rem;
    margin: 0;
}

/* ---------- Alertas ---------- */

.unb-pag__alert {
    background: var(--unb-pag-danger-bg);
    border-left: 4px solid var(--unb-pag-danger);
    border-radius: var(--unb-pag-radius-sm);
    color: var(--unb-pag-text);
    font-size: .925rem;
    margin-bottom: 1.25rem;
    padding: .875rem 1rem;
}

.unb-pag__alert:focus { outline: none; box-shadow: var(--unb-pag-focus); }

.unb-pag__alert strong { color: var(--unb-pag-danger); display: block; margin-bottom: .125rem; }

.unb-pag__alert p { margin: 0; }

.unb-pag__alert ul { margin: .5rem 0 0; padding-left: 1.25rem; }

.unb-pag__recover {
    background: color-mix(in srgb, var(--unb-pag-primary) 8%, var(--unb-pag-bg));
    border: 1px solid color-mix(in srgb, var(--unb-pag-primary) 30%, transparent);
    border-radius: var(--unb-pag-radius-sm);
    font-size: .925rem;
    margin-bottom: 1.5rem;
    padding: 1rem;
}

.unb-pag__recover p { margin: 0 0 .75rem; }

.unb-pag__recover-actions { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ---------- Resultado (iframe do PagTesouro) ---------- */

/*
 * A tela do PagTesouro (dados + QR Code Pix lado a lado) precisa de ~900px e
 * não encolhe: dentro dos 760px do formulário a coluna do Pix era cortada.
 * Durante o pagamento o cartão cresce e, em telas largas, sai da coluna de
 * conteúdo do tema (centralizado nela), sem gerar rolagem horizontal.
 */
.unb-pag--pagamento { max-width: 1040px; }

.unb-pag--pagamento .unb-pag__card { padding: clamp(.75rem, 2vw, 1.25rem); }

.unb-pag--pagamento .unb-pag__header { margin-bottom: 1rem; }

@media (min-width: 900px) {
    /* Margens laterais zeradas: o "margin: auto" já centralizaria quando a
       coluna é mais larga que o cartão, e somado ao left/translate o
       empurraria para a direita. Assim o centro é sempre o da coluna. */
    .unb-pag--pagamento {
        left: 50%;
        margin-left: 0;
        margin-right: 0;
        max-width: none;
        position: relative;
        transform: translateX(-50%);
        width: min(1040px, 100vw - 48px);
    }
}

.unb-pag__result-bar {
    align-items: center;
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.unb-pag__result-title {
    align-items: center;
    display: flex;
    font-weight: 600;
    gap: .5rem;
    margin: 0;
}

.unb-pag__result-title:focus { outline: none; }

.unb-pag__ok {
    align-items: center;
    background: var(--unb-pag-accent);
    border-radius: 50%;
    color: #fff;
    display: inline-flex;
    font-size: .8rem;
    height: 22px;
    justify-content: center;
    width: 22px;
}

.unb-pag__frame {
    background: #fff;
    border: 1px solid var(--unb-pag-border);
    border-radius: var(--unb-pag-radius-sm);
    min-height: 480px;
    overflow: hidden;
    position: relative;
}

.unb-pag__frame iframe {
    border: 0;
    display: block;
    margin: 0;
    min-height: 480px;
    min-width: 100%;
    padding: 0;
    width: 1px; /* iframe-resizer: largura acompanha o contêiner */
}

/* Sem o iframe-resizer (script bloqueado), altura fixa com rolagem interna. */
.unb-pag__frame--static iframe { height: 900px; }

.unb-pag__skeleton {
    background: #fff;
    display: grid;
    gap: .875rem;
    inset: 0;
    padding: 1.5rem;
    position: absolute;
    align-content: start;
}

.unb-pag__skeleton span {
    animation: unb-pag-pulse 1.4s ease-in-out infinite;
    background: #e8ecf1;
    border-radius: 6px;
    display: block;
    height: 18px;
}

.unb-pag__skeleton span:nth-child(1) { height: 28px; width: 55%; }
.unb-pag__skeleton span:nth-child(2) { width: 90%; }
.unb-pag__skeleton span:nth-child(3) { width: 75%; }
.unb-pag__skeleton span:nth-child(4) { height: 120px; }

@keyframes unb-pag-pulse { 50% { opacity: .45; } }

.unb-pag__footnote {
    color: var(--unb-pag-muted);
    font-size: .8125rem;
    margin: 1rem 0 0;
    text-align: center;
}

.unb-pag__footnote a { color: var(--unb-pag-primary); }

@media (prefers-reduced-motion: reduce) {
    .unb-pag *,
    .unb-pag *::before,
    .unb-pag *::after {
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .01ms !important;
    }
}