/* ChemPartner AI Assistant — hero study finder widget */
.cpai-widget {
	--cpai-accent: #7ac143;
	--cpai-accent-dark: #5fa032;
	--cpai-tab-bg: #20303a;
	--cpai-panel-bg: #d9e4e9;
	--cpai-select-border: #e1e8eb;
	--cpai-ink: #1f2d35;
	--cpai-label: #66757d;
	--cpai-ring: #bfe37a;
	max-width: 1040px;
	margin: 0 auto;
	font-family: inherit;
	color: var(--cpai-ink);
	box-sizing: border-box;
}
.cpai-widget *,
.cpai-widget *::before,
.cpai-widget *::after {
	box-sizing: border-box;
}

/* ---------- Shared result card ---------- */
.cpai-result {
	background: #fff;
	border-radius: 16px;
	padding: 24px 26px;
	margin-top: 18px;
	min-height: 110px;
	box-shadow: 0 8px 28px rgba(20, 40, 55, 0.10);
	line-height: 1.7;
	font-size: 15.5px;
	color: #2a2a2a;
	word-wrap: break-word;
}
.cpai-result[hidden] { display: none; }
.cpai-placeholder { color: #9aa3ad; }
.cpai-error { color: #c0392b; font-weight: 600; }
.cpai-result h2,
.cpai-result h3 { margin: 0.6em 0 0.3em; line-height: 1.3; }
.cpai-result h2 { font-size: 1.25em; }
.cpai-result h3 { font-size: 1.1em; }
.cpai-result ul,
.cpai-result ol { margin: 0.4em 0 0.8em 1.4em; }
.cpai-result li { margin: 0.2em 0; }
.cpai-result p { margin: 0.5em 0; }
.cpai-link,
.cpai-result a {
	color: var(--cpai-accent-dark);
	text-decoration: underline;
	text-underline-offset: 2px;
	font-weight: 600;
}
.cpai-link:hover,
.cpai-result a:hover { color: var(--cpai-ink); }
.cpai-spinner {
	display: inline-block;
	width: 16px;
	height: 16px;
	border: 2px solid rgba(122, 193, 67, 0.3);
	border-top-color: var(--cpai-accent);
	border-radius: 50%;
	animation: cpai-spin 0.7s linear infinite;
	vertical-align: -3px;
	margin-right: 8px;
}
@keyframes cpai-spin { to { transform: rotate(360deg); } }
.cpai-results-heading {
	margin: 0 0 14px;
	font-size: 20px;
	font-weight: 700;
	color: var(--cpai-ink);
	line-height: 1.3;
}

/* ============================================================
 * Labeled layout (branded hero design)
 * ============================================================ */
.cpai-layout-fields .cpai-panel {
	position: relative;
	background: var(--cpai-panel-bg);
	border-radius: 18px;
	padding: 46px 26px 28px;
	margin-top: 26px;
}
.cpai-layout-fields .cpai-tab {
	position: absolute;
	top: -22px;
	left: 26px;
	display: inline-flex;
	align-items: center;
	gap: 10px;
	background: var(--cpai-tab-bg);
	color: #fff;
	border-radius: 12px;
	padding: 11px 20px;
	font-size: 15px;
	font-weight: 700;
	letter-spacing: 0.08em;
	line-height: 1;
}
.cpai-layout-fields .cpai-tab-icon {
	display: inline-flex;
	width: 22px;
	height: 22px;
	color: var(--cpai-accent);
}
.cpai-layout-fields .cpai-tab-icon img,
.cpai-layout-fields .cpai-tab-icon svg { width: 100%; height: 100%; display: block; }

.cpai-layout-fields .cpai-fields {
	display: flex;
	flex-wrap: wrap;
	align-items: flex-end;
	gap: 18px;
}
.cpai-layout-fields .cpai-field {
	flex: 1 1 180px;
	min-width: 0;
}
.cpai-layout-fields .cpai-field-label {
	display: block;
	margin-bottom: 8px;
	color: var(--cpai-label);
	font-size: 15px;
}
.cpai-layout-fields .cpai-select-wrap {
	position: relative;
	display: block;
}
.cpai-layout-fields .cpai-select-wrap::after {
	content: "";
	position: absolute;
	right: 18px;
	top: 50%;
	width: 9px;
	height: 9px;
	border-right: 2px solid var(--cpai-ink);
	border-bottom: 2px solid var(--cpai-ink);
	transform: translateY(-70%) rotate(45deg);
	pointer-events: none;
	opacity: 0.7;
}
.cpai-layout-fields .cpai-select {
	width: 100%;
	appearance: none;
	-webkit-appearance: none;
	background: #fff;
	border: 1px solid var(--cpai-select-border);
	border-radius: 12px;
	padding: 15px 44px 15px 18px;
	font-size: 17px;
	font-family: inherit;
	color: var(--cpai-ink);
	cursor: pointer;
	outline: none;
	box-shadow: 0 1px 2px rgba(20, 40, 55, 0.04);
}
.cpai-layout-fields .cpai-select:focus {
	border-color: var(--cpai-accent);
	box-shadow: 0 0 0 3px rgba(122, 193, 67, 0.2);
}
.cpai-layout-fields .cpai-btn {
	display: inline-flex;
	align-items: center;
	gap: 12px;
	flex: 0 0 auto;
	background: #fff;
	border: 2px solid var(--cpai-ring);
	border-radius: 12px;
	padding: 5px 5px 5px 22px;
	cursor: pointer;
	transition: box-shadow 0.15s ease;
}
.cpai-layout-fields .cpai-btn:hover { box-shadow: 0 4px 14px rgba(122, 193, 67, 0.3); }
.cpai-layout-fields .cpai-btn:disabled { opacity: 0.65; cursor: not-allowed; }
.cpai-layout-fields .cpai-btn-label {
	font-size: 17px;
	font-weight: 600;
	color: var(--cpai-ink);
	white-space: nowrap;
}
.cpai-layout-fields .cpai-btn-arrow {
	display: grid;
	place-items: center;
	width: 46px;
	height: 46px;
	border-radius: 10px;
	background: var(--cpai-accent);
	color: #fff;
	font-size: 20px;
	line-height: 1;
}
.cpai-layout-fields .cpai-btn:hover .cpai-btn-arrow { background: var(--cpai-accent-dark); }

@media (max-width: 720px) {
	.cpai-layout-fields .cpai-fields { flex-direction: column; align-items: stretch; }
	.cpai-layout-fields .cpai-btn { justify-content: space-between; }
}

/* ============================================================
 * Sentence layout (original "I need a … study on …")
 * ============================================================ */
.cpai-layout-sentence .cpai-bar {
	background: #fff;
	border-radius: 14px;
	padding: 24px;
	box-shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
}
.cpai-layout-sentence .cpai-sentence {
	font-size: 18px;
	line-height: 2.4;
	color: #222;
}
.cpai-layout-sentence .cpai-sentence > span { margin: 0 4px; }
.cpai-layout-sentence .cpai-select {
	padding: 7px 12px;
	font-size: 15px;
	font-weight: 600;
	color: var(--cpai-accent-dark);
	border: 2px solid var(--cpai-accent);
	border-radius: 8px;
	background: #f2f9ec;
	cursor: pointer;
	outline: none;
	max-width: 100%;
	font-family: inherit;
}
.cpai-layout-sentence .cpai-btn {
	display: block;
	width: 100%;
	margin-top: 20px;
	padding: 15px;
	font-size: 16px;
	font-weight: 700;
	letter-spacing: 0.2px;
	color: #fff;
	background: var(--cpai-accent);
	border: none;
	border-radius: 10px;
	cursor: pointer;
	transition: background 0.2s ease;
}
.cpai-layout-sentence .cpai-btn:hover { background: var(--cpai-accent-dark); }
.cpai-layout-sentence .cpai-btn:disabled { opacity: 0.6; cursor: not-allowed; }
@media (max-width: 560px) {
	.cpai-layout-sentence .cpai-sentence { font-size: 16px; line-height: 2.2; }
	.cpai-layout-sentence .cpai-bar { padding: 18px; }
}