/* ========================================================================
   Editorial discussion system
   Shared by public catalog pages and premium reader panels.
   ======================================================================== */

.tf-scholarly-discussion {
    width: min(840px, 100%);
    max-width: 100%;
    margin: clamp(42px, 6vw, 72px) 0 0;
    padding: 0;
    background: transparent;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    color: var(--tf-text);
}

.sch-discussion-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 18px;
    margin: 0 0 22px;
    padding-top: 24px;
    border-top: 1px solid var(--tf-border-mid);
    text-align: left;
}

.sch-issue-tag {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--tf-accent);
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.64rem;
    font-weight: 800;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.sch-discussion-title {
    margin: 0;
    color: var(--tf-text);
    font-family: var(--tf-font-head, "Newsreader", Georgia, serif);
    font-size: clamp(1.55rem, 2.6vw, 2.1rem);
    font-weight: 520;
    letter-spacing: -0.025em;
    line-height: 1.05;
}

.sch-guest-prompt,
.sch-discourse-entry {
    margin: 0 0 30px;
    padding: 0 0 26px;
    background: transparent;
    border: 0;
    border-bottom: 1px solid var(--tf-border-mid);
    box-shadow: none;
}

.sch-guest-prompt p {
    margin: 0;
    max-width: 64ch;
    color: var(--tf-text-soft);
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.92rem;
    line-height: 1.65;
}

.sch-link {
    color: var(--tf-accent);
    font-weight: 700;
    text-decoration: underline;
    text-underline-offset: 3px;
}

.sch-entry-label,
.sch-reply-label,
.sch-field-label {
    display: block !important;
    margin: 0 0 10px;
    color: var(--tf-text-dim);
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.64rem;
    font-weight: 800;
    letter-spacing: 0.16em;
    line-height: 1.2;
    text-transform: uppercase;
}

.sch-input-group,
.sch-reply-form {
    display: flex;
    flex-direction: column;
    margin-top: 16px;
}

.sch-form textarea,
.sch-reply-form textarea {
    box-sizing: border-box;
    display: block;
    width: 100% !important;
    max-width: 100%;
    min-height: 118px;
    margin: 0 0 14px;
    padding: 16px 18px;
    color: var(--tf-text);
    background: rgba(255, 255, 255, 0.46);
    border: 1px solid var(--tf-border-mid);
    border-radius: 2px;
    box-shadow: none;
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.95rem;
    line-height: 1.6;
    outline: none;
    resize: vertical;
    transition: border-color 180ms var(--tf-ease), background 180ms var(--tf-ease), box-shadow 180ms var(--tf-ease);
}

.sch-form textarea:focus,
.sch-reply-form textarea:focus {
    background: rgba(255, 255, 255, 0.7);
    border-color: var(--tf-accent);
    box-shadow: 0 0 0 3px color-mix(in oklab, var(--tf-accent) 16%, transparent);
}

.sch-form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 2px;
}

.sch-btn--publish {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 36px;
    padding: 0 18px;
    color: #ffffff;
    background: var(--tf-accent);
    border: 1px solid var(--tf-accent);
    border-radius: 2px;
    box-shadow: none;
    cursor: pointer;
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: background 180ms var(--tf-ease), border-color 180ms var(--tf-ease), transform 180ms var(--tf-ease);
    visibility: visible !important;
    opacity: 1 !important;
}

.sch-btn--publish:hover {
    background: var(--tf-accent-dark);
    border-color: var(--tf-accent-dark);
    transform: translateY(-1px);
}

.sch-btn--cancel {
    padding: 8px 0;
    color: var(--tf-text-dim);
    background: transparent;
    border: 0;
    cursor: pointer;
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.68rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: color 180ms var(--tf-ease);
}

.sch-btn--cancel:hover {
    color: var(--tf-error);
}

.sch-comments-stream {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.sch-comment {
    position: relative;
    padding: 26px 0;
    border-top: 1px solid color-mix(in oklab, var(--tf-border-mid) 72%, transparent);
}

.sch-comments-stream > .sch-comment:first-child {
    border-top: 0;
    padding-top: 4px;
}

.sch-comment-content {
    max-width: 760px;
}

.sch-comment-meta {
    display: grid;
    grid-template-columns: 38px minmax(0, 1fr) auto;
    align-items: center;
    gap: 12px;
    margin-bottom: 14px;
}

.sch-avatar-box {
    width: 38px;
    height: 38px;
    flex-shrink: 0;
    overflow: hidden;
    background: var(--tf-bg-mid);
    border: 1px solid var(--tf-border-mid);
    border-radius: 2px;
}

.sch-avatar-square {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sch-avatar-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    color: var(--tf-accent);
    background: color-mix(in oklab, var(--tf-accent) 9%, transparent);
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-weight: 800;
}

.sch-author-details {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
    color: var(--tf-text);
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.82rem;
    font-weight: 800;
}

.sch-author-link {
    min-width: 0;
    color: var(--tf-text);
    text-decoration: none;
}

.sch-author-link:hover .sch-author-name {
    color: var(--tf-accent);
}

.sch-author-name {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.sch-author-sep {
    color: var(--tf-text-dim);
}

.sch-comment-date {
    color: var(--tf-text-dim);
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    white-space: nowrap;
}

.sch-comment-body {
    max-width: 70ch;
    margin: 0 0 18px 50px;
    color: var(--tf-text-soft);
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.95rem;
    line-height: 1.7;
}

.sch-comment-body p {
    margin: 0 0 0.85em;
}

.sch-comment-body p:last-child {
    margin-bottom: 0;
}

.sch-comment-actions {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-left: 50px;
}

.sch-meta-actions {
    display: flex;
    align-items: center;
}

.sch-action-btn {
    padding: 6px 0;
    color: var(--tf-text-dim);
    background: transparent;
    border: 0;
    cursor: pointer;
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
    transition: color 180ms var(--tf-ease);
}

.sch-action-btn:hover {
    color: var(--tf-accent);
}

.sch-reaction-controls .tf-reactions-curated {
    display: flex !important;
    align-items: center;
    gap: 8px;
}

.sch-reaction-controls .reaction-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    min-height: 30px;
    padding: 0 10px;
    color: var(--tf-text-dim);
    background: color-mix(in oklab, var(--tf-bg-mid) 72%, transparent);
    border: 1px solid transparent;
    border-radius: 2px;
    transition: background 180ms var(--tf-ease), border-color 180ms var(--tf-ease), color 180ms var(--tf-ease);
}

.sch-reaction-controls .reaction-btn:hover {
    color: var(--tf-text);
    background: rgba(255, 255, 255, 0.55);
    border-color: var(--tf-border-mid);
}

.sch-reaction-controls .tf-reaction-form.is-active .reaction-btn {
    color: var(--tf-accent);
    background: color-mix(in oklab, var(--tf-accent) 10%, transparent);
    border-color: color-mix(in oklab, var(--tf-accent) 28%, transparent);
}

.sch-reaction-controls .reaction-icon svg {
    width: 13px;
    height: 13px;
    stroke-width: 2;
}

.sch-reaction-controls .reaction-label {
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.58rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.sch-reaction-controls .reaction-count {
    color: var(--tf-text);
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.72rem;
    font-weight: 800;
}

.sch-reaction-controls .tf-reaction-feedback {
    margin: 0;
    color: var(--tf-text-dim);
    font-size: 0.72rem;
}

.sch-comment-replies {
    margin: 22px 0 0 50px;
    padding-left: 22px;
    border-left: 1px solid var(--tf-border-mid);
}

.sch-comment--nested {
    margin: 0;
    padding: 20px 0 0;
    border-top: 0;
}

.sch-reply-context {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: -2px 0 12px 50px;
    color: var(--tf-text-dim);
    font-family: var(--tf-font-body, "Manrope", sans-serif);
    font-size: 0.68rem;
    font-weight: 700;
}

.sch-reply-context::before {
    content: "Replying to";
    color: var(--tf-accent);
    font-size: 0.62rem;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.sch-reply-form-wrapper {
    margin: 20px 0 0 50px;
}

.sch-reply-form {
    padding: 18px 0 0;
    border-top: 1px solid var(--tf-border-mid);
}

@media (max-width: 768px) {
    .tf-scholarly-discussion {
        width: 100%;
        margin-top: 38px;
    }

    .sch-discussion-header {
        margin-bottom: 18px;
        padding-top: 20px;
    }

    .sch-guest-prompt,
    .sch-discourse-entry {
        margin-bottom: 24px;
        padding-bottom: 22px;
    }

    .sch-comment-meta {
        grid-template-columns: 34px minmax(0, 1fr);
    }

    .sch-comment-meta .sch-action-btn {
        grid-column: 2;
        justify-self: start;
        margin-top: -4px;
    }

    .sch-avatar-box {
        width: 34px;
        height: 34px;
    }

    .sch-author-details {
        flex-wrap: wrap;
        row-gap: 2px;
    }

    .sch-comment-body,
    .sch-comment-actions,
    .sch-reply-context,
    .sch-reply-form-wrapper {
        margin-left: 46px;
    }

    .sch-comment-actions {
        align-items: flex-start;
        flex-direction: column;
        gap: 10px;
    }

    .sch-comment-replies {
        margin-left: 18px;
        padding-left: 18px;
    }
}