/*
 * Self-contained palette so the tool looks the same inside any theme
 * (same approach as the other EducationalEngine generators).
 */
.ee-rf-app {
	--ee-rf-bg: #ffffff;
	--ee-rf-surface: #f1f5f9;
	--ee-rf-text: #1e293b;
	--ee-rf-muted: #52606d;
	--ee-rf-border: #cbd5e1;
	--ee-rf-accent: #1d4ed8;
	--ee-rf-accent-hover: #1e40af;
	--ee-rf-accent-soft: #eff6ff;
	--ee-rf-danger: #b91c1c;

	max-width: 1000px;
	margin: 0 auto 48px;
	padding: 24px;
	background: var(--ee-rf-bg);
	border: 1px solid var(--ee-rf-border);
	border-radius: 10px;
	box-shadow: 0 1px 3px rgba(15, 23, 42, 0.06);
	color: var(--ee-rf-text);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
	line-height: 1.55;
}
.ee-rf-app * { box-sizing: border-box; }
.ee-rf-app button, .ee-rf-app input, .ee-rf-app select, .ee-rf-app textarea {
	font-family: inherit; box-shadow: none; text-shadow: none; background-image: none;
}
.ee-rf-app [hidden] { display: none !important; }

.ee-rf-quota-bar {
	display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; align-items: center;
	background: var(--ee-rf-surface); border: 1px solid var(--ee-rf-border); border-radius: 6px;
	padding: 10px 16px; margin-bottom: 16px; font-size: 0.9em;
}
.ee-rf-quota-label { font-weight: 700; }
.ee-rf-quota-count { color: var(--ee-rf-muted); }
.ee-rf-quota-count a { color: var(--ee-rf-accent); }

.ee-rf-tabs { display: flex; gap: 8px; margin-bottom: 20px; border-bottom: 1px solid var(--ee-rf-border); }
.ee-rf-tab {
	background: transparent !important; border: 0; border-bottom: 3px solid transparent; color: var(--ee-rf-muted) !important;
	padding: 8px 12px; font-weight: 600; cursor: pointer; margin-bottom: -1px;
}
.ee-rf-tab.is-active { color: var(--ee-rf-accent) !important; border-bottom-color: var(--ee-rf-accent); }
.ee-rf-panel { display: none; }
.ee-rf-panel.is-active { display: block; }

.ee-rf-form { max-width: 820px; }
.ee-rf-field { margin-bottom: 14px; flex: 1 1 0; min-width: 0; }
.ee-rf-field label, .ee-rf-label { display: block; font-weight: 600; font-size: 0.9em; margin-bottom: 4px; color: var(--ee-rf-text); }
.ee-rf-field input, .ee-rf-field select, .ee-rf-field textarea {
	width: 100%; padding: 8px 10px; height: auto; min-height: 40px; border: 1px solid var(--ee-rf-border); border-radius: 6px;
	background: #fff !important; color: var(--ee-rf-text) !important; font-size: 0.95em;
}
.ee-rf-row { display: flex; gap: 12px; flex-wrap: wrap; }
.ee-rf-row .ee-rf-field { min-width: 220px; }
.ee-rf-hint { font-size: 0.82em; color: var(--ee-rf-muted); margin: 4px 0 0; }
.ee-rf-hint:empty { display: none; }
.ee-rf-more { margin: 0 0 16px; }
.ee-rf-more summary { cursor: pointer; font-weight: 600; font-size: 0.9em; color: var(--ee-rf-accent); margin-bottom: 10px; }

.ee-rf-btn {
	display: inline-flex; align-items: center; gap: 8px; padding: 8px 14px; border-radius: 6px; cursor: pointer;
	border: 1px solid var(--ee-rf-border); background: #fff !important; color: var(--ee-rf-text) !important;
	font-weight: 600; font-size: 0.9em; text-decoration: none !important; line-height: 1.2;
}
.ee-rf-btn:hover { border-color: var(--ee-rf-accent); color: var(--ee-rf-accent) !important; }
.ee-rf-btn:focus-visible { outline: 2px solid var(--ee-rf-accent); outline-offset: 2px; }
.ee-rf-btn-primary { background: var(--ee-rf-accent) !important; border-color: var(--ee-rf-accent); color: #fff !important; padding: 10px 18px; font-size: 1em; }
.ee-rf-btn-primary:hover { background: var(--ee-rf-accent-hover) !important; color: #fff !important; }
.ee-rf-btn[disabled] { opacity: 0.55; cursor: not-allowed; }
.ee-rf-btn-small { padding: 5px 10px; font-size: 0.82em; }
.ee-rf-cost-badge { background: rgba(255, 255, 255, 0.2); border-radius: 999px; padding: 2px 8px; font-size: 0.8em; }
.ee-rf-estimate { font-weight: 600; }

.ee-rf-status { margin: 14px 0 0; font-weight: 600; color: var(--ee-rf-accent); }
.ee-rf-status:empty { display: none; }
.ee-rf-status.is-error { color: var(--ee-rf-danger); }
.ee-rf-status.is-working::before {
	content: ""; display: inline-block; width: 12px; height: 12px; margin-right: 8px; vertical-align: -1px;
	border: 2px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: ee-rf-spin 0.9s linear infinite;
}
@keyframes ee-rf-spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .ee-rf-status.is-working::before { animation: none; } }
.ee-rf-result { margin-top: 18px; }

.ee-rf-list { list-style: none; padding: 0; margin: 0 0 16px; }
.ee-rf-list li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--ee-rf-border); }
.ee-rf-view-btn { background: none !important; border: 0; padding: 0; color: var(--ee-rf-accent) !important; font-weight: 600; cursor: pointer; text-align: left; }
.ee-rf-list-meta { color: var(--ee-rf-muted); font-size: 0.85em; }

.ee-rf-upsells { margin-top: 24px; }
.ee-rf-disclaimer { font-size: 0.8em; color: var(--ee-rf-muted); margin-top: 16px; }

.ee-rf-check { display: flex; gap: 8px; align-items: center; font-size: 0.9em; margin: 0 0 14px; }
.ee-rf-check input { width: auto; min-height: 0; margin: 0; }
.ee-rf-app .screen-reader-text { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(1px, 1px, 1px, 1px); white-space: nowrap; }

/* List view. */
.ee-rf-item { max-width: 900px; }
.ee-rf-item-header h3 { margin: 0 0 4px; }
.ee-rf-item-meta { color: var(--ee-rf-muted); font-size: 0.88em; margin: 0 0 4px; word-break: break-word; }
.ee-rf-upsell-source-note { font-size: 0.85em; color: var(--ee-rf-accent); margin: 0 0 4px; font-weight: 600; }
.ee-rf-permalink { font-size: 0.85em; margin: 0 0 10px; }

.ee-rf-toolbar { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 8px 0 14px; padding-bottom: 12px; border-bottom: 1px solid var(--ee-rf-border); }
.ee-rf-toolbar-label { font-size: 0.82em; color: var(--ee-rf-muted); font-weight: 600; }
.ee-rf-style-select { min-height: 32px; padding: 4px 8px; border: 1px solid var(--ee-rf-border); border-radius: 6px; background: #fff !important; color: var(--ee-rf-text) !important; font-size: 0.85em; margin-right: 6px; }
.ee-rf-export-status { font-size: 0.82em; color: var(--ee-rf-muted); }
.ee-rf-export-status.is-error { color: var(--ee-rf-danger); font-weight: 600; }
.ee-rf-btn-danger:hover { border-color: var(--ee-rf-danger); color: var(--ee-rf-danger) !important; }

.ee-rf-overview { background: var(--ee-rf-accent-soft); border: 1px solid #bfdbfe; border-radius: 8px; padding: 12px 16px; margin: 0 0 16px; }
.ee-rf-overview h4 { margin: 0 0 6px; font-size: 1em; }
.ee-rf-overview p { margin: 0 0 6px; }
.ee-rf-gaps { font-size: 0.92em; color: var(--ee-rf-muted); }
.ee-rf-cite { color: var(--ee-rf-accent); text-decoration: none; white-space: normal; }
.ee-rf-cite:hover { text-decoration: underline; }

.ee-rf-refs { list-style: none; margin: 0; padding: 0; }
.ee-rf-ref { border: 1px solid var(--ee-rf-border); border-radius: 8px; padding: 12px 14px; margin: 0 0 10px; background: #fff; scroll-margin-top: 60px; }
.ee-rf-ref:target { border-color: var(--ee-rf-accent); box-shadow: 0 0 0 2px var(--ee-rf-accent-soft); }
.ee-rf-ref-top { display: flex; gap: 10px; align-items: flex-start; }
.ee-rf-ref-pick { flex: 0 0 auto; padding-top: 3px; cursor: pointer; }
.ee-rf-ref-pick input { width: 16px; height: 16px; margin: 0; }
.ee-rf-ref-text { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.ee-rf-ref-text a, .ee-rf-article-refs a { color: var(--ee-rf-accent); }
.ee-rf-ref-num { font-weight: 700; }
.ee-rf-badges { display: flex; flex-wrap: wrap; gap: 6px; margin: 8px 0 6px 26px; }
.ee-rf-badge { font-size: 0.75em; font-weight: 600; border-radius: 999px; padding: 2px 9px; background: var(--ee-rf-accent-soft); color: var(--ee-rf-accent); }
.ee-rf-badge.is-oa { background: #ecfdf5; color: #047857; }
.ee-rf-badge.is-plain { background: var(--ee-rf-surface); color: var(--ee-rf-muted); }
.ee-rf-summary, .ee-rf-use { margin: 0 0 6px 26px; font-size: 0.93em; }
.ee-rf-use { color: var(--ee-rf-muted); }
.ee-rf-ref-foot { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; margin-left: 26px; font-size: 0.85em; }
.ee-rf-links { display: flex; flex-wrap: wrap; gap: 10px; }
.ee-rf-links a { color: var(--ee-rf-accent); font-weight: 600; }
.ee-rf-links a.is-oa { color: #047857; }
.ee-rf-found-in { color: var(--ee-rf-muted); }
.ee-rf-abstract { flex: 1 1 100%; order: 5; }
.ee-rf-abstract summary { cursor: pointer; color: var(--ee-rf-accent); font-weight: 600; display: inline; }
.ee-rf-abstract p { margin: 6px 0 0; color: var(--ee-rf-text); font-size: 0.95em; }
.ee-rf-link-btn { background: none !important; border: 0; padding: 0; color: var(--ee-rf-muted) !important; cursor: pointer; font-size: 1em; text-decoration: underline; margin-left: auto; }
.ee-rf-link-btn:hover { color: var(--ee-rf-danger) !important; }
.ee-rf-searched { font-size: 0.8em; color: var(--ee-rf-muted); margin: 8px 0 20px; overflow-wrap: anywhere; }

.ee-rf-article-form { border: 1px solid var(--ee-rf-border); border-radius: 8px; padding: 14px 16px; background: var(--ee-rf-surface); margin: 0 0 18px; }
.ee-rf-article-form h4 { margin: 0 0 4px; }
.ee-rf-article-form > .ee-rf-hint:first-of-type { margin-bottom: 12px; }
.ee-rf-unfinished { background: #fffbeb; border: 1px solid #fcd34d; border-radius: 6px; padding: 8px 12px; margin: 0 0 12px; display: flex; flex-wrap: wrap; gap: 8px; align-items: center; justify-content: space-between; }
.ee-rf-unfinished p { margin: 0; font-size: 0.9em; }
.ee-rf-source-hint { color: #b45309; font-weight: 600; margin-bottom: 8px; }
.ee-rf-article-status .ee-rf-btn { margin-left: 6px; }

.ee-rf-article { border: 1px solid var(--ee-rf-border); border-radius: 8px; margin: 0 0 12px; background: #fff; }
.ee-rf-article > summary { cursor: pointer; padding: 12px 16px; list-style: revert; }
.ee-rf-article-title { font-weight: 700; font-size: 1.05em; }
.ee-rf-article-meta { display: block; color: var(--ee-rf-muted); font-size: 0.82em; margin-top: 2px; }
.ee-rf-article-body { padding: 0 16px 14px; font-family: Georgia, "Times New Roman", serif; }
.ee-rf-article-body .ee-rf-toolbar { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
.ee-rf-article-body h4 { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; margin: 18px 0 6px; }
.ee-rf-article-body p { margin: 0 0 12px; }
.ee-rf-standfirst { font-style: italic; color: #334155; }
.ee-rf-article-refs { list-style: none; padding: 0; margin: 0 0 12px; }
.ee-rf-article-refs li { padding-left: 2em; text-indent: -2em; margin: 0 0 6px; overflow-wrap: anywhere; scroll-margin-top: 60px; }
.ee-rf-article-refs.is-numbered { list-style: decimal; padding-left: 2em; }
.ee-rf-article-refs.is-numbered li { padding-left: 0; text-indent: 0; }
.ee-rf-integrity { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; font-size: 0.82em; color: var(--ee-rf-muted); background: var(--ee-rf-surface); border-radius: 6px; padding: 8px 12px; }

@media (max-width: 600px) {
	.ee-rf-app { padding: 14px; }
	.ee-rf-row .ee-rf-field { min-width: 100%; }
	.ee-rf-badges, .ee-rf-summary, .ee-rf-use, .ee-rf-ref-foot { margin-left: 0; }
	.ee-rf-article-body { padding: 0 10px 12px; }
}