.cvss-app {
	--cvss-navy: #102d4f;
	--cvss-blue: #2c78b8;
	--cvss-blue-soft: #eaf3fa;
	--cvss-gold: #c99735;
	--cvss-gold-soft: #fff8e9;
	--cvss-ink: #1f2d3d;
	--cvss-muted: #657487;
	--cvss-line: #dce5ed;
	--cvss-success: #1d8151;
	--cvss-danger: #a33c3c;
	box-sizing: border-box;
	max-width: 1120px;
	margin: 24px auto;
	color: var(--cvss-ink);
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	font-size: 16px;
	line-height: 1.55;
}

.cvss-app *,
.cvss-app *::before,
.cvss-app *::after {
	box-sizing: inherit;
}

.cvss-shell {
	background: #fff;
	border: 1px solid var(--cvss-line);
	border-radius: 22px;
	box-shadow: 0 16px 48px rgba(16, 45, 79, .10);
	overflow: hidden;
}

.cvss-header {
	background: linear-gradient(135deg, var(--cvss-navy), #1c5d91);
	color: #fff;
	padding: 28px 34px 24px;
}

.cvss-topline,
.cvss-header-row,
.cvss-footer-row,
.cvss-admin-card-heading {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 18px;
}

.cvss-topline {
	margin-bottom: 20px;
	font-size: 12px;
	font-weight: 700;
	letter-spacing: .12em;
	text-transform: uppercase;
	opacity: .83;
}

.cvss-brand-mark {
	align-items: center;
	display: inline-flex;
	gap: 8px;
}

.cvss-brand-mark::before {
	background: var(--cvss-gold);
	border-radius: 50%;
	content: "";
	display: inline-block;
	height: 8px;
	width: 8px;
}

.cvss-header h1,
.cvss-header h2,
.cvss-header p {
	color: #fff;
	margin-top: 0;
}

.cvss-header h1 {
	font-size: clamp(27px, 4vw, 42px);
	line-height: 1.12;
	margin-bottom: 9px;
}

.cvss-header p {
	font-size: 17px;
	margin-bottom: 0;
	max-width: 720px;
	opacity: .9;
}

.cvss-content {
	padding: 30px 34px 34px;
}

.cvss-kicker,
.cvss-eyebrow {
	color: var(--cvss-gold);
	display: block;
	font-size: 12px;
	font-weight: 800;
	letter-spacing: .12em;
	margin-bottom: 7px;
	text-transform: uppercase;
}

.cvss-content h2,
.cvss-content h3 {
	color: var(--cvss-navy);
	line-height: 1.2;
	margin: 0 0 10px;
}

.cvss-content h2 {
	font-size: clamp(23px, 3vw, 31px);
}

.cvss-content h3 {
	font-size: 20px;
}

.cvss-muted {
	color: var(--cvss-muted);
}

.cvss-section-intro {
	margin: 0 0 22px;
	max-width: 760px;
}

.cvss-progress-wrap {
	background: rgba(255,255,255,.17);
	border-radius: 12px;
	margin-top: 25px;
	padding: 10px 12px;
}

.cvss-progress-label {
	display: flex;
	font-size: 12px;
	font-weight: 700;
	justify-content: space-between;
	margin-bottom: 6px;
}

.cvss-progress-track {
	background: rgba(255,255,255,.25);
	border-radius: 99px;
	height: 8px;
	overflow: hidden;
}

.cvss-progress-fill {
	background: var(--cvss-gold);
	border-radius: inherit;
	height: 100%;
	transition: width .3s ease;
}

.cvss-stat-grid,
.cvss-card-grid,
.cvss-family-grid,
.cvss-compare-grid {
	display: grid;
	gap: 16px;
}

.cvss-stat-grid {
	grid-template-columns: repeat(3, 1fr);
	margin-bottom: 30px;
}

.cvss-stat,
.cvss-card,
.cvss-family-card,
.cvss-compare-card {
	background: #fff;
	border: 1px solid var(--cvss-line);
	border-radius: 16px;
	padding: 20px;
}

.cvss-stat {
	background: var(--cvss-blue-soft);
	border: 0;
	text-align: center;
}

.cvss-stat strong {
	color: var(--cvss-navy);
	display: block;
	font-size: 27px;
	line-height: 1;
	margin-bottom: 4px;
}

.cvss-stat span {
	color: var(--cvss-muted);
	font-size: 12px;
	font-weight: 700;
}

.cvss-card-grid {
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cvss-lesson-card {
	position: relative;
}

.cvss-lesson-card.is-complete {
	border-color: #a6d8bd;
}

.cvss-lesson-card.is-locked {
	opacity: .62;
}

.cvss-day-badge {
	align-items: center;
	background: var(--cvss-gold-soft);
	border-radius: 50%;
	color: #8a6419;
	display: inline-flex;
	font-size: 12px;
	font-weight: 800;
	height: 34px;
	justify-content: center;
	margin-bottom: 13px;
	width: 34px;
}

.cvss-card h3 {
	font-size: 19px;
	margin-bottom: 5px;
}

.cvss-card p {
	margin: 0 0 15px;
}

.cvss-card-meta {
	color: var(--cvss-muted);
	display: flex;
	font-size: 12px;
	gap: 10px;
	margin-bottom: 16px;
}

.cvss-btn,
.cvss-choice,
.cvss-inline-btn {
	border: 0;
	cursor: pointer;
	font: inherit;
}

.cvss-btn {
	background: var(--cvss-blue);
	border-radius: 10px;
	color: #fff;
	display: inline-flex;
	font-size: 14px;
	font-weight: 750;
	justify-content: center;
	padding: 11px 17px;
	text-decoration: none;
	transition: background .2s ease, transform .2s ease;
}

.cvss-btn:hover,
.cvss-btn:focus-visible {
	background: #215f94;
	color: #fff;
	transform: translateY(-1px);
}

.cvss-btn--light {
	background: rgba(255,255,255,.13);
	border: 1px solid rgba(255,255,255,.35);
	color: #fff;
	padding: 8px 12px;
}

.cvss-btn--light:hover,
.cvss-btn--light:focus-visible {
	background: rgba(255,255,255,.24);
}

.cvss-btn--secondary {
	background: #fff;
	border: 1px solid var(--cvss-line);
	color: var(--cvss-navy);
}

.cvss-btn--secondary:hover,
.cvss-btn--secondary:focus-visible {
	background: var(--cvss-blue-soft);
	color: var(--cvss-navy);
}

.cvss-btn--gold {
	background: var(--cvss-gold);
	color: #fff;
}

.cvss-btn--gold:hover,
.cvss-btn--gold:focus-visible {
	background: #a77c20;
	color: #fff;
}

.cvss-btn:disabled,
.cvss-choice:disabled {
	cursor: not-allowed;
	opacity: .65;
	transform: none;
}

.cvss-family-grid {
	grid-template-columns: repeat(2, minmax(0, 1fr));
	margin-top: 22px;
}

.cvss-family-card {
	background: linear-gradient(180deg, #fff, #f8fbfd);
}

.cvss-family-head {
	align-items: flex-start;
	display: flex;
	gap: 12px;
	justify-content: space-between;
}

.cvss-family-code {
	color: var(--cvss-blue);
	font-size: 12px;
	font-weight: 800;
	letter-spacing: .08em;
}

.cvss-family-card ul,
.cvss-indicator-list,
.cvss-step-list {
	margin: 12px 0 0;
	padding-left: 20px;
}

.cvss-family-card li,
.cvss-indicator-list li,
.cvss-step-list li {
	margin: 6px 0;
}

.cvss-lesson-progress {
	align-items: center;
	display: flex;
	gap: 12px;
	margin: -6px 0 28px;
}

.cvss-lesson-progress .cvss-progress-track {
	background: var(--cvss-line);
	flex: 1;
	height: 7px;
}

.cvss-lesson-progress .cvss-progress-fill {
	background: var(--cvss-blue);
}

.cvss-lesson-progress span {
	color: var(--cvss-muted);
	font-size: 12px;
	font-weight: 700;
	white-space: nowrap;
}

.cvss-lesson-body {
	margin: 0 auto;
	max-width: 850px;
}

.cvss-activity {
	animation: cvss-fade-in .28s ease;
}

@keyframes cvss-fade-in {
	from { opacity: 0; transform: translateY(5px); }
	to { opacity: 1; transform: translateY(0); }
}

.cvss-callout,
.cvss-key-point,
.cvss-scenario,
.cvss-feedback,
.cvss-posture-note {
	border-radius: 15px;
	margin: 20px 0;
	padding: 18px 20px;
}

.cvss-callout,
.cvss-key-point {
	background: var(--cvss-gold-soft);
	border-left: 4px solid var(--cvss-gold);
}

.cvss-scenario {
	background: #f5f8fb;
	border-left: 4px solid var(--cvss-blue);
}

.cvss-feedback {
	border: 1px solid var(--cvss-line);
	background: #f8fbfd;
}

.cvss-feedback.is-correct {
	background: #eef9f2;
	border-color: #a6d8bd;
	color: #185a39;
}

.cvss-feedback.is-wrong {
	background: #fff5f4;
	border-color: #e7b8b5;
	color: #7d2d2d;
}

.cvss-choices {
	display: grid;
	gap: 12px;
	margin: 22px 0;
}

.cvss-choice {
	background: #fff;
	border: 1px solid var(--cvss-line);
	border-radius: 13px;
	color: var(--cvss-ink);
	display: flex;
	gap: 13px;
	padding: 15px 16px;
	text-align: left;
	transition: border .2s ease, background .2s ease, transform .2s ease;
	width: 100%;
}

.cvss-choice:hover,
.cvss-choice:focus-visible {
	background: var(--cvss-blue-soft);
	border-color: var(--cvss-blue);
	transform: translateX(2px);
}

.cvss-choice.is-correct {
	background: #eef9f2;
	border-color: #50a875;
	}

.cvss-choice.is-wrong {
	background: #fff5f4;
	border-color: #d47772;
}

.cvss-choice-index {
	align-items: center;
	background: var(--cvss-blue-soft);
	border-radius: 50%;
	color: var(--cvss-blue);
	display: inline-flex;
	flex: 0 0 28px;
	font-weight: 800;
	height: 28px;
	justify-content: center;
	width: 28px;
}

.cvss-compare-grid {
	grid-template-columns: repeat(2, minmax(0, 1fr));
	margin: 20px 0;
}

.cvss-compare-card--avoid {
	background: #fff9f8;
	border-color: #efd8d5;
}

.cvss-compare-card--prefer {
	background: #f2fbf5;
	border-color: #c9e7d3;
}

.cvss-compare-grid button.cvss-compare-card {
	color: var(--cvss-ink);
	cursor: pointer;
	font: inherit;
	text-align: left;
	width: 100%;
}

.cvss-compare-grid button.cvss-compare-card:hover,
.cvss-compare-grid button.cvss-compare-card:focus-visible {
	border-color: var(--cvss-blue);
	transform: translateY(-1px);
}

.cvss-compare-card h3 {
	font-size: 16px;
}

.cvss-posture-grid {
	display: grid;
	gap: 9px;
	margin: 18px 0;
}

.cvss-posture-level {
	align-items: flex-start;
	background: #f8fbfd;
	border: 1px solid var(--cvss-line);
	border-radius: 11px;
	display: flex;
	gap: 12px;
	padding: 12px 14px;
}

.cvss-posture-level strong {
	color: var(--cvss-blue);
	flex: 0 0 24px;
}

.cvss-posture-level span {
	display: block;
}

.cvss-form-field {
	margin: 20px 0;
}

.cvss-form-field label {
	color: var(--cvss-navy);
	display: block;
	font-size: 14px;
	font-weight: 750;
	margin-bottom: 8px;
}

.cvss-textarea {
	border: 1px solid var(--cvss-line);
	border-radius: 11px;
	font: inherit;
	min-height: 120px;
	padding: 12px 14px;
	resize: vertical;
	width: 100%;
}

.cvss-textarea:focus {
	border-color: var(--cvss-blue);
	box-shadow: 0 0 0 3px rgba(44, 120, 184, .14);
	outline: 0;
}

.cvss-footer-row {
	border-top: 1px solid var(--cvss-line);
	margin-top: 30px;
	padding-top: 20px;
}

.cvss-footer-row .cvss-muted {
	font-size: 13px;
	margin: 0;
}

.cvss-empty,
.cvss-error,
.cvss-completion {
	border-radius: 14px;
	padding: 22px;
	text-align: center;
}

.cvss-empty {
	background: #f8fbfd;
}

.cvss-error {
	background: #fff5f4;
	border: 1px solid #e7b8b5;
	color: var(--cvss-danger);
}

.cvss-completion {
	background: linear-gradient(135deg, #f2fbf5, #fffaf0);
	border: 1px solid #c9e7d3;
}

.cvss-completion-score {
	color: var(--cvss-success);
	display: block;
	font-size: 48px;
	font-weight: 800;
	line-height: 1;
	margin: 9px 0 12px;
}

.cvss-loading,
.cvss-noscript {
	align-items: center;
	background: #fff;
	border: 1px solid var(--cvss-line);
	border-radius: 14px;
	display: flex;
	gap: 10px;
	justify-content: center;
	min-height: 80px;
	padding: 18px;
}

.cvss-spinner {
	animation: cvss-spin .8s linear infinite;
	border: 3px solid var(--cvss-line);
	border-radius: 50%;
	border-top-color: var(--cvss-blue);
	height: 22px;
	width: 22px;
}

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

.cvss-noscript {
	display: block;
	text-align: center;
}

.cvss-noscript p {
	margin-bottom: 0;
}

.cvss-app button:focus-visible,
.cvss-app a:focus-visible,
.cvss-app textarea:focus-visible {
	box-shadow: 0 0 0 3px rgba(44, 120, 184, .25);
	outline: 2px solid var(--cvss-blue);
	outline-offset: 2px;
}

@media (max-width: 760px) {
	.cvss-header,
	.cvss-content {
		padding-left: 20px;
		padding-right: 20px;
	}

	.cvss-header-row,
	.cvss-footer-row {
		align-items: flex-start;
		flex-direction: column;
	}

	.cvss-card-grid,
	.cvss-family-grid,
	.cvss-compare-grid {
		grid-template-columns: 1fr;
	}
}

@media (max-width: 480px) {
	.cvss-stat-grid {
		gap: 8px;
	}

	.cvss-stat {
		padding: 13px 8px;
	}

	.cvss-stat strong {
		font-size: 22px;
	}

	.cvss-stat span {
		font-size: 10px;
	}

	.cvss-content {
		padding-bottom: 24px;
	}
}