.occl-cert-widget {
	--occl-primary: #1d4ed8;
	--occl-primary-dark: #1e3a8a;
	--occl-ink: #0f172a;
	--occl-muted: #64748b;
	--occl-border: #e2e8f0;
	--occl-bg: #f8fafc;
	--occl-success: #16a34a;
	--occl-error: #dc2626;
	box-sizing: border-box;
	max-width: 640px;
	margin: 32px auto;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

.occl-cert-widget *,
.occl-cert-widget *::before,
.occl-cert-widget *::after {
	box-sizing: border-box;
}

.occl-cert-card {
	background: #ffffff;
	border-radius: 18px;
	box-shadow: 0 10px 40px rgba(15, 23, 42, 0.08), 0 2px 8px rgba(15, 23, 42, 0.04);
	padding: 40px 36px;
	border: 1px solid var(--occl-border);
}

.occl-college-name {
	text-align: center;
	text-transform: uppercase;
	letter-spacing: 0.08em;
	font-size: 12px;
	font-weight: 700;
	color: var(--occl-primary);
	margin: 0 0 12px;
}

.occl-cert-header {
	text-align: center;
	margin-bottom: 28px;
}

.occl-cert-icon {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 56px;
	height: 56px;
	border-radius: 50%;
	background: linear-gradient(135deg, var(--occl-primary), var(--occl-primary-dark));
	color: #fff;
	margin-bottom: 14px;
}

.occl-cert-heading {
	margin: 0 0 8px;
	font-size: 26px;
	font-weight: 800;
	color: var(--occl-ink);
	letter-spacing: -0.01em;
}

.occl-cert-desc {
	margin: 0;
	color: var(--occl-muted);
	font-size: 15px;
	line-height: 1.5;
}

/* Search form */
.occl-form-row {
	display: flex;
	gap: 10px;
	flex-wrap: wrap;
}

.occl-roll-input {
	flex: 1 1 220px;
	min-width: 0;
	padding: 14px 16px;
	font-size: 15px;
	border: 1.5px solid var(--occl-border);
	border-radius: 12px;
	background: var(--occl-bg);
	color: var(--occl-ink);
	transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.occl-roll-input:focus {
	outline: none;
	border-color: var(--occl-primary);
	background: #fff;
	box-shadow: 0 0 0 4px rgba(29, 78, 216, 0.12);
}

.occl-search-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 14px 22px;
	background: linear-gradient(135deg, var(--occl-primary), var(--occl-primary-dark));
	color: #fff;
	border: none;
	border-radius: 12px;
	font-size: 15px;
	font-weight: 700;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
	white-space: nowrap;
}

.occl-search-btn:hover {
	transform: translateY(-1px);
	box-shadow: 0 8px 18px rgba(29, 78, 216, 0.28);
	filter: brightness(1.05);
}

.occl-search-btn:active {
	transform: translateY(0);
}

.occl-search-btn:disabled {
	opacity: 0.7;
	cursor: not-allowed;
	transform: none;
}

.occl-btn-icon {
	font-size: 15px;
}

.occl-form-error {
	margin: 10px 2px 0;
	color: var(--occl-error);
	font-size: 13.5px;
	min-height: 1em;
}

/* Loading */
.occl-cert-loading {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 12px;
	padding: 30px 0 6px;
	color: var(--occl-muted);
	font-size: 14.5px;
}

.occl-spinner {
	width: 20px;
	height: 20px;
	border-radius: 50%;
	border: 3px solid var(--occl-border);
	border-top-color: var(--occl-primary);
	animation: occl-spin 0.8s linear infinite;
}

@keyframes occl-spin {
	to {
		transform: rotate(360deg);
	}
}

/* Result */
.occl-cert-result {
	margin-top: 26px;
}

.occl-result-card {
	border-radius: 14px;
	padding: 26px;
	border: 1.5px solid var(--occl-border);
	background: var(--occl-bg);
}

.occl-result-verified {
	border-color: rgba(22, 163, 74, 0.35);
	background: linear-gradient(180deg, rgba(22, 163, 74, 0.06), rgba(255, 255, 255, 0));
}

.occl-verified-badge {
	display: inline-flex;
	align-items: center;
	gap: 8px;
	background: rgba(22, 163, 74, 0.12);
	color: var(--occl-success);
	font-weight: 700;
	font-size: 13px;
	padding: 6px 14px;
	border-radius: 999px;
	margin-bottom: 18px;
}

.occl-verified-badge .dot {
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background: var(--occl-success);
}

.occl-result-grid {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 16px;
	margin-bottom: 20px;
}

.occl-result-field {
	background: #fff;
	border: 1px solid var(--occl-border);
	border-radius: 10px;
	padding: 12px 14px;
}

.occl-result-field .label {
	display: block;
	font-size: 11.5px;
	text-transform: uppercase;
	letter-spacing: 0.05em;
	color: var(--occl-muted);
	margin-bottom: 4px;
	font-weight: 700;
}

.occl-result-field .value {
	display: block;
	font-size: 15px;
	font-weight: 600;
	color: var(--occl-ink);
	word-break: break-word;
}

.occl-preview-wrap {
	margin: 4px 0 20px;
	text-align: center;
}

.occl-preview-wrap img {
	max-width: 100%;
	height: auto;
	border-radius: 10px;
	border: 1px solid var(--occl-border);
}

.occl-preview-wrap iframe {
	width: 100%;
	height: 360px;
	border: 1px solid var(--occl-border);
	border-radius: 10px;
}

.occl-pdf-fallback {
	padding: 30px 16px;
	text-align: center;
	border: 1px dashed var(--occl-border);
	border-radius: 10px;
	color: var(--occl-muted);
	font-weight: 600;
}

.occl-result-actions {
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
}

.occl-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	padding: 12px 20px;
	border-radius: 10px;
	font-weight: 700;
	font-size: 14.5px;
	text-decoration: none;
	cursor: pointer;
	transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
	flex: 1 1 160px;
	text-align: center;
}

.occl-btn:hover {
	transform: translateY(-1px);
	filter: brightness(1.05);
}

.occl-btn-primary {
	background: linear-gradient(135deg, var(--occl-primary), var(--occl-primary-dark));
	color: #fff;
	box-shadow: 0 8px 18px rgba(29, 78, 216, 0.25);
}

.occl-btn-secondary {
	background: #fff;
	color: var(--occl-ink);
	border: 1.5px solid var(--occl-border);
}

/* Error state */
.occl-error-card {
	border-radius: 14px;
	padding: 26px;
	text-align: center;
	background: rgba(220, 38, 38, 0.05);
	border: 1.5px solid rgba(220, 38, 38, 0.25);
}

.occl-error-icon {
	font-size: 30px;
	margin-bottom: 10px;
}

.occl-error-title {
	font-size: 18px;
	font-weight: 800;
	color: var(--occl-error);
	margin: 0 0 6px;
}

.occl-error-desc {
	color: var(--occl-muted);
	font-size: 14.5px;
	margin: 0 0 18px;
}

.occl-try-again {
	display: inline-flex;
	padding: 10px 22px;
	border-radius: 10px;
	background: #fff;
	border: 1.5px solid var(--occl-border);
	color: var(--occl-ink);
	font-weight: 700;
	cursor: pointer;
}

.occl-try-again:hover {
	background: var(--occl-bg);
}

/* Animations */
.occl-fade-in {
	animation: occl-fade-in 0.4s ease both;
}

@keyframes occl-fade-in {
	from {
		opacity: 0;
		transform: translateY(8px);
	}
	to {
		opacity: 1;
		transform: translateY(0);
	}
}

.occl-cert-result[data-show="1"] > * {
	animation: occl-fade-in 0.35s ease both;
}

/* Accessibility */
.occl-cert-widget .screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	overflow: hidden;
	clip: rect(1px, 1px, 1px, 1px);
	white-space: nowrap;
}

.occl-cert-widget button:focus-visible,
.occl-cert-widget input:focus-visible,
.occl-cert-widget a:focus-visible {
	outline: 2px solid var(--occl-primary);
	outline-offset: 2px;
}

/* Responsive */
@media (max-width: 600px) {
	.occl-cert-card {
		padding: 26px 20px;
		border-radius: 14px;
	}

	.occl-cert-heading {
		font-size: 21px;
	}

	.occl-form-row {
		flex-direction: column;
	}

	.occl-search-btn {
		width: 100%;
	}

	.occl-result-grid {
		grid-template-columns: 1fr;
	}

	.occl-result-actions {
		flex-direction: column;
	}

	.occl-preview-wrap iframe {
		height: 260px;
	}
}