.efh-content {
	gap: 16px;
}

.efh-main-card {
	background: var(--c-surface);
	border: 1px solid var(--c-border);
	border-radius: 18px;
	padding: 16px;
	box-shadow: var(--shadow-sm);
}

.efh-search-row {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 220px;
	gap: 12px;
	margin-bottom: 14px;
}

.efh-field {
	display: flex;
	flex-direction: column;
	gap: 6px;
}

.efh-label {
	font-size: 0.82rem;
	font-weight: 700;
	color: var(--c-text-2);
}

.efh-categories {
	display: flex;
	gap: 8px;
	overflow-x: auto;
	padding-bottom: 2px;
	margin-bottom: 14px;
}

.efh-cat-btn {
	border: 1px solid var(--c-border-strong);
	background: var(--c-surface-2);
	color: var(--c-text);
	border-radius: 999px;
	padding: 8px 12px;
	font-size: 0.82rem;
	font-weight: 700;
	white-space: nowrap;
}

.efh-cat-btn.active {
	background: var(--c-primary);
	color: #ffffff;
	border-color: var(--c-primary);
}

.efh-layout {
	display: grid;
	grid-template-columns: 320px minmax(0, 1fr);
	gap: 14px;
}

.efh-list-panel,
.efh-detail-panel {
	border: 1px solid var(--c-border);
	border-radius: 14px;
	padding: 12px;
	background: var(--c-surface-2);
}

.efh-list-meta {
	font-size: 0.8rem;
	color: var(--c-text-2);
	margin-bottom: 8px;
}

.efh-formula-list {
	display: flex;
	flex-direction: column;
	gap: 8px;
	max-height: 560px;
	overflow: auto;
}

.efh-item {
	text-align: left;
	border: 1px solid var(--c-border);
	background: var(--c-surface);
	border-radius: 12px;
	padding: 10px;
}

.efh-item.active {
	border-color: var(--c-primary);
	box-shadow: inset 0 0 0 1px var(--c-primary);
	background: var(--c-primary-glow);
}

.efh-item-name {
	font-size: 0.94rem;
	font-weight: 800;
	line-height: 1.3;
	margin-bottom: 4px;
}

.efh-item-summary {
	font-size: 0.79rem;
	color: var(--c-text-2);
	line-height: 1.4;
}

.efh-item-category {
	margin-top: 7px;
	font-size: 0.73rem;
	color: var(--c-primary);
	font-weight: 700;
}

.efh-no-results,
.efh-empty-state {
	font-size: 0.84rem;
	color: var(--c-text-2);
	line-height: 1.6;
	margin: 0;
}

.efh-detail-title {
	font-size: 1.1rem;
	font-weight: 800;
	margin-bottom: 6px;
}

.efh-detail-summary {
	font-size: 0.86rem;
	line-height: 1.6;
	color: var(--c-text-2);
	margin-bottom: 12px;
}

.efh-meta-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 8px 12px;
	margin-bottom: 14px;
}

.efh-meta-label {
	font-size: 0.72rem;
	font-weight: 700;
	letter-spacing: 0.03em;
	text-transform: uppercase;
	color: var(--c-text-2);
}

.efh-meta-text {
	font-size: 0.8rem;
	margin: 2px 0 0;
	line-height: 1.5;
}

.efh-section-title {
	font-size: 0.9rem;
	font-weight: 800;
	margin-bottom: 10px;
}

.efh-parameters {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
}

.efh-param {
	display: flex;
	flex-direction: column;
	gap: 5px;
}

.efh-param-label {
	font-size: 0.76rem;
	font-weight: 700;
	color: var(--c-text-2);
}

.efh-param input,
.efh-param select {
	height: 36px;
	font-size: 0.84rem;
}

.efh-actions {
	display: flex;
	gap: 8px;
	margin-top: 12px;
}

.efh-input-required {
	margin: 8px 0 0;
	font-size: 0.8rem;
	color: var(--c-danger, #b91c1c);
}

.efh-output-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
	margin-top: 14px;
}

.efh-output-card {
	border: 1px solid var(--c-border);
	border-radius: 12px;
	background: var(--c-surface);
	overflow: hidden;
}

.efh-output-head {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 6px;
	padding: 8px 10px;
	border-bottom: 1px solid var(--c-border);
	background: var(--c-surface-2);
}

.efh-output-head h3 {
	font-size: 0.8rem;
	font-weight: 700;
	margin: 0;
}

.efh-output {
	margin: 0;
	padding: 12px;
	font-size: 0.84rem;
	line-height: 1.5;
	min-height: 112px;
	white-space: pre-wrap;
	word-break: break-word;
}

.efh-info-section {
	margin-top: 34px !important;
	padding-top: 28px !important;
}

.efh-info-tabs .tab-btn.active::after {
	display: none;
}

.efh-tab-content-wrap .faq-item {
	margin-bottom: 12px;
	border-radius: 14px;
}

.efh-tab-content-wrap .faq-q {
	width: 100%;
	display: flex;
	align-items: center;
	justify-content: space-between;
	padding: 14px 16px;
	font-size: 0.9rem;
	background: var(--c-surface);
	border: 0;
	font-weight: 700;
	text-align: left;
	cursor: pointer;
}

.efh-tab-content-wrap .faq-q i {
	transition: transform 0.2s ease;
}

.efh-tab-content-wrap .faq-item.is-open .faq-q i {
	transform: rotate(180deg);
}

.efh-tab-content-wrap .faq-a {
	display: none;
	padding: 12px 16px 14px;
	font-size: 0.84rem;
	line-height: 1.7;
	color: var(--c-text-2);
}

.efh-tab-content-wrap .faq-item.is-open .faq-a {
	display: block;
}

@media (max-width: 1080px) {
	.efh-layout {
		grid-template-columns: minmax(0, 1fr);
	}

	.efh-formula-list {
		max-height: 280px;
	}
}

@media (max-width: 780px) {
	.efh-search-row {
		grid-template-columns: minmax(0, 1fr);
	}

	.efh-meta-grid,
	.efh-parameters,
	.efh-output-grid {
		grid-template-columns: minmax(0, 1fr);
	}

	.efh-main-card {
		padding: 12px;
	}
}