.exercise-report-gated:not(.exercise-report-gated--ready) .exercise-error-report {
    display: none !important;
}

.exercise-error-report[hidden],
.exercise-error-report__dialog[hidden] {
    display: none !important;
}

.exercise-error-report {
    display: flex;
    justify-content: center;
    width: 100%;
    margin: 1.5rem 0 0;
}

.exercise-error-report__trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.625rem 1rem;
    border: 0;
    border-radius: 0.75rem;
    background: transparent;
    color: var(--orange);
    font: inherit;
    font-weight: 500;
    text-decoration: underline 1px transparent;
    text-underline-offset: 0.2em;
    cursor: pointer;
    transition: text-decoration-color 0.3s ease;
}

.exercise-error-report__trigger:hover,
.exercise-error-report__trigger:focus-visible {
    text-decoration-color: var(--orange); 
}

.exercise-error-report__dialog.show {
    position: fixed;
    inset: 0;
    z-index: 1100;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    background: rgb(16 24 40 / 55%);
}

.exercise-error-report__panel {
    position: relative;
    width: min(100%, 25rem);
    max-height: calc(100dvh - 2rem);
    overflow: auto;
    padding: 2rem;
    border: 0.0625rem solid var(--gray-25);
    border-radius: 1rem;
    background: #fff;
    box-shadow: 0 1.5rem 4rem rgb(16 24 40 / 24%);
}

.exercise-error-report__close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: var(--gray-15);
    color: var(--orange);
    cursor: pointer;
}

.exercise-error-report__title {
    margin: 0 2.5rem 1.5rem 0;
    color: var(--main-black);
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.35;
}

.exercise-error-report__textarea-wrap { margin-bottom: 1.5rem; }

.exercise-error-report__textarea {
    display: block;
    width: 100%;
    min-height: 8rem;
    padding: 0.875rem 1rem;
    border: 0.0625rem solid var(--gray-25);
    border-radius: 0.75rem;
    background: #fff;
    color: var(--main-black);
    font: inherit;
    line-height: 1.45;
    resize: vertical;
}

.exercise-error-report__textarea:focus {
    border-color: var(--orange);
    outline: 0;
}

.exercise-error-report__textarea[aria-invalid="true"],
[data-exercise-report-validation-form] textarea[aria-invalid="true"] {
    border-color: #b42318 !important;
}

.exercise-error-report__submit {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-height: 2.75rem;
    padding: 0.625rem 1rem;
    border: 0;
    border-radius: 2rem;
    background: var(--orange);
    color: #fff;
    font: inherit;
    font-weight: 600;
    cursor: pointer;
}

.exercise-error-report__submit:disabled { cursor: wait; opacity: 0.65; }

.exercise-error-report__feedback {
    margin: 0.75rem 0 0;
    color: #b42318;
    font-size: 0.875rem;
    line-height: 1.4;
}

.exercise-error-report__success[hidden] { display: none !important; }
.exercise-error-report__success .exercise-error-report__title { margin-bottom: 0.5rem; }
.exercise-error-report__message { margin: 0; color: var(--main-black); font-size: 1rem; line-height: 1.5; }
body.exercise-error-report-open { overflow: hidden; }

@media (max-width: 37.5rem) {
    .exercise-error-report__dialog.show { align-items: flex-end; padding: 0; }
    .exercise-error-report__panel { width: 100%; max-height: calc(100dvh - 1rem); padding: 1.5rem; border-radius: 1rem 1rem 0 0; }
}