.mep-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: color-mix(in srgb, var(--mep-overlay-color, #111827) 72%, transparent);
    opacity: 0;
    visibility: hidden;
    transition: opacity .2s ease, visibility .2s ease;
}

.mep-overlay[hidden],
.mep-step[hidden],
.mep-form-error[hidden] {
    display: none !important;
}

.mep-overlay.mep-visible { opacity: 1; visibility: visible; }

.mep-dialog {
    position: relative;
    box-sizing: border-box;
    width: min(100%, 540px);
    max-height: calc(100vh - 48px);
    overflow-y: auto;
    padding: 44px 38px 34px;
    border-radius: 16px;
    background: #fff;
    color: var(--mep-text-color, #1f2937);
    text-align: center;
    box-shadow: 0 22px 70px rgba(0, 0, 0, .25);
    transform: translateY(12px) scale(.985);
    transition: transform .2s ease;
    outline: none;
}

.mep-visible .mep-dialog { transform: translateY(0) scale(1); }
.mep-dialog h2 { margin: 0 26px 24px; color: inherit; font-size: clamp(23px, 4vw, 30px); line-height: 1.25; }
.mep-dialog p { margin: 0 0 24px; color: inherit; font-size: 16px; line-height: 1.6; }

.mep-close {
    position: absolute; top: 11px; right: 14px; width: 36px; height: 36px;
    padding: 0; border: 0; border-radius: 50%; background: transparent;
    color: #666; font: 30px/1 Arial, sans-serif; cursor: pointer;
}
.mep-close:hover, .mep-close:focus-visible { background: #f1f1f1; color: #111; }

.mep-actions { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.mep-choice {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 120px; margin: 0 4px 10px; padding: 13px 23px;
    border: 0; border-radius: 7px; background: var(--mep-button-color, #5b21b6);
    color: #fff; font-size: 15px; font-weight: 600; line-height: 1.35;
    text-decoration: none; cursor: pointer; transition: filter .15s ease, transform .15s ease;
}
.mep-choice:hover { filter: brightness(1.08); transform: translateY(-1px); color: #fff; }
.mep-choice:disabled { opacity: .65; cursor: wait; transform: none; }
.mep-choice-no { background: var(--mep-no-button-color, #475569); }
.mep-dismiss {
    display: block; margin: 8px auto 0; padding: 7px 10px; border: 0;
    background: transparent; color: inherit; font-size: 13px;
    text-decoration: underline; text-underline-offset: 3px; cursor: pointer; opacity: .75;
}
.mep-dismiss:hover { opacity: 1; }
.mep-step-message { margin: 12px 0 24px !important; }
.mep-form-intro { margin-bottom: 20px !important; font-size: 20px !important; }
.mep-dialog .mep-feedback-form { display: block; width: 100%; margin: 0; text-align: left; }
.mep-dialog .mep-feedback-form .mep-field { display: block; width: 100%; margin: 0 0 20px; padding: 0; }
.mep-dialog .mep-feedback-form .mep-field:last-of-type { margin-bottom: 22px; }
.mep-dialog .mep-feedback-form label {
    display: block; width: auto; margin: 0 0 8px !important; padding: 0;
    color: inherit; font-size: 14px; font-weight: 600; line-height: 1.4;
}
.mep-dialog .mep-feedback-form .mep-field input,
.mep-dialog .mep-feedback-form .mep-field textarea {
    display: block; box-sizing: border-box; width: 100%; max-width: 100%; min-height: 46px;
    margin: 0 !important; padding: 12px 14px !important; border: 1px solid #cbd5e1;
    border-radius: 7px; background: #fff; color: #1f2937;
    font: inherit; font-size: 15px; line-height: 1.45;
}
.mep-dialog .mep-feedback-form .mep-field textarea { min-height: 112px; resize: vertical; }
.mep-dialog .mep-feedback-form .mep-field input:focus,
.mep-dialog .mep-feedback-form .mep-field textarea:focus { outline: 2px solid var(--mep-button-color, #5b21b6); outline-offset: 1px; }
.mep-dialog .mep-feedback-form .mep-submit { width: 100%; margin: 4px 0 0; }
.mep-form-error { margin: 0 0 12px !important; color: #b91c1c !important; font-size: 14px !important; text-align: left; }
.mep-honeypot { position: absolute !important; left: -10000px !important; width: 1px !important; height: 1px !important; overflow: hidden !important; }

@media (max-width: 600px) {
    .mep-overlay { padding: 14px; }
    .mep-dialog { padding: 42px 22px 26px; border-radius: 13px; }
    .mep-dialog p { font-size: 15px; }
    .mep-actions { flex-direction: column; gap: 4px; }
    .mep-choice { width: 100%; box-sizing: border-box; margin: 0 0 9px; }
    .mep-dismiss { margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
    .mep-overlay, .mep-dialog, .mep-choice { transition: none; }
}

/* Indicador de envio: mensagem visível e spinner independente do tema ativo. */
.mep-dialog .mep-submit-status {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 9px;
    margin: 0 0 12px !important;
    padding: 9px 12px;
    border-radius: 6px;
    background: #f1f5f9;
    color: #334155 !important;
    font-size: 13px !important;
    line-height: 1.4;
    text-align: center;
}
.mep-dialog .mep-submit-status[hidden] { display: none !important; }
.mep-dialog .mep-submit-status:not([hidden])::before {
    content: "";
    flex: 0 0 15px;
    width: 15px;
    height: 15px;
    border: 2px solid #cbd5e1;
    border-top-color: var(--mep-button-color, #5b21b6);
    border-radius: 50%;
    animation: mep-spin .7s linear infinite;
}
.mep-dialog .mep-submit.mep-is-loading::after {
    content: "";
    display: inline-block;
    width: 13px;
    height: 13px;
    margin-left: 9px;
    vertical-align: -2px;
    border: 2px solid rgba(255,255,255,.45);
    border-top-color: #fff;
    border-radius: 50%;
    animation: mep-spin .7s linear infinite;
}
@keyframes mep-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
    .mep-dialog .mep-submit-status:not([hidden])::before,
    .mep-dialog .mep-submit.mep-is-loading::after { animation: none; }
}