.paa-app,
.paa-app * {
	box-sizing: border-box;
}

.paa-app {
	--paa-navy: #14213d;
	--paa-blue: #2563eb;
	--paa-blue-dark: #1d4ed8;
	--paa-cyan: #06b6d4;
	--paa-green: #16a34a;
	--paa-red: #dc2626;
	--paa-amber: #f59e0b;
	--paa-ink: #172033;
	--paa-muted: #64748b;
	--paa-line: #dbe4f0;
	--paa-soft: #f4f7fb;
	--paa-white: #ffffff;
	width: 100%;
	max-width: 1280px;
	margin: 28px auto;
	border: 1px solid #d9e3f1;
	border-radius: 24px;
	background: #f7f9fc;
	box-shadow: 0 24px 60px rgba(20, 33, 61, 0.12);
	overflow: hidden;
	color: var(--paa-ink);
	font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
	line-height: 1.5;
}

.paa-app button,
.paa-app input {
	font: inherit;
}

.paa-app button {
	text-transform: none;
	letter-spacing: 0;
}

.paa-app button:focus-visible,
.paa-app input:focus-visible,
.paa-app canvas:focus-visible,
.paa-app a:focus-visible {
	outline: 3px solid rgba(37, 99, 235, 0.35);
	outline-offset: 3px;
}

.paa-hero {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 20px;
	padding: 28px 34px;
	background:
		radial-gradient(circle at 88% 18%, rgba(34, 211, 238, 0.18), transparent 24%),
		linear-gradient(125deg, #111d36 0%, #193d70 60%, #156b87 100%);
	color: #fff;
}

.paa-hero h2,
.paa-stage-heading h3,
.paa-control-card h3 {
	margin: 0;
	font-family: inherit;
	text-transform: none;
	letter-spacing: normal;
}

.paa-hero h2 {
	font-size: clamp(1.45rem, 3vw, 2.25rem);
	font-weight: 800;
	line-height: 1.15;
	color: #fff;
}

.paa-hero p {
	margin: 8px 0 0;
	color: #dbeafe;
	font-size: 1rem;
}

.paa-hero .paa-eyebrow {
	margin: 0 0 7px;
	color: #67e8f9;
	font-size: 0.76rem;
	font-weight: 800;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.paa-hero-badge {
	position: relative;
	display: grid;
	place-items: center;
	width: 92px;
	height: 76px;
	flex: 0 0 auto;
	border: 1px solid rgba(255, 255, 255, 0.28);
	border-radius: 20px;
	background: rgba(255, 255, 255, 0.1);
	box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.18);
	font-size: 3.2rem;
	font-weight: 700;
}

.paa-hero-badge strong {
	position: absolute;
	right: 12px;
	top: 8px;
	color: #67e8f9;
	font-size: 1.05rem;
}

.paa-tabs {
	display: grid;
	grid-template-columns: repeat(5, minmax(130px, 1fr));
	gap: 0;
	overflow-x: auto;
	background: #fff;
	border-bottom: 1px solid var(--paa-line);
	scrollbar-width: thin;
}

.paa-tab,
.paa-app .paa-tab {
	position: relative;
	min-height: 58px;
	padding: 14px 16px;
	border: 0;
	border-right: 1px solid #edf1f7;
	border-radius: 0;
	background: #fff;
	box-shadow: none;
	color: #43516a !important;
	font-size: 0.88rem;
	font-weight: 750;
	cursor: pointer;
	white-space: nowrap;
	transition: color 0.18s ease, background 0.18s ease;
}

.paa-tab:hover,
.paa-app .paa-tab:hover {
	background: #eff6ff;
	color: var(--paa-blue-dark) !important;
}

.paa-tab.is-active,
.paa-app .paa-tab.is-active {
	background: #eef5ff;
	color: var(--paa-blue-dark) !important;
}

.paa-tab.is-active::after {
	position: absolute;
	right: 18px;
	bottom: 0;
	left: 18px;
	height: 4px;
	border-radius: 4px 4px 0 0;
	background: var(--paa-blue);
	content: "";
}

.paa-progress {
	height: 5px;
	background: #dfe7f2;
}

.paa-progress span {
	display: block;
	width: 20%;
	height: 100%;
	border-radius: 0 8px 8px 0;
	background: linear-gradient(90deg, var(--paa-blue), var(--paa-cyan));
	transition: width 0.3s ease;
}

.paa-workspace {
	display: grid;
	grid-template-columns: minmax(0, 1.9fr) minmax(300px, 0.7fr);
	gap: 20px;
	padding: 22px;
}

.paa-stage-card,
.paa-control-card {
	border: 1px solid #dee6f1;
	border-radius: 18px;
	background: #fff;
	box-shadow: 0 8px 20px rgba(20, 33, 61, 0.055);
}

.paa-stage-card {
	padding: 20px;
}

.paa-stage-heading {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	margin-bottom: 14px;
}

.paa-stage-heading h3 {
	color: var(--paa-navy);
	font-size: 1.2rem;
	font-weight: 800;
}

.paa-step-label {
	display: block;
	margin-bottom: 3px;
	color: var(--paa-blue);
	font-size: 0.68rem;
	font-weight: 850;
	letter-spacing: 0.11em;
}

.paa-question-count {
	padding: 7px 11px;
	border-radius: 999px;
	background: #e0f2fe;
	color: #075985;
	font-size: 0.78rem;
	font-weight: 800;
	white-space: nowrap;
}

.paa-canvas-wrap {
	position: relative;
	height: clamp(360px, 44vw, 505px);
	min-height: 350px;
	overflow: hidden;
	border: 1px solid #cfdbea;
	border-radius: 16px;
	background-color: #f9fbff;
	background-image:
		linear-gradient(rgba(37, 99, 235, 0.045) 1px, transparent 1px),
		linear-gradient(90deg, rgba(37, 99, 235, 0.045) 1px, transparent 1px);
	background-size: 24px 24px;
}

.paa-canvas-wrap canvas {
	display: block;
	width: 100%;
	height: 100%;
	touch-action: none;
	cursor: grab;
}

.paa-canvas-wrap canvas.is-dragging {
	cursor: grabbing;
}

.paa-canvas-tip {
	position: absolute;
	left: 12px;
	bottom: 12px;
	max-width: calc(100% - 24px);
	padding: 7px 11px;
	border: 1px solid rgba(20, 33, 61, 0.1);
	border-radius: 999px;
	background: rgba(255, 255, 255, 0.92);
	box-shadow: 0 3px 12px rgba(20, 33, 61, 0.08);
	color: #475569;
	font-size: 0.75rem;
	font-weight: 650;
	pointer-events: none;
}

.paa-tool-row {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 8px;
	margin-top: 12px;
}

.paa-tool-button,
.paa-app .paa-tool-button {
	min-height: 42px;
	padding: 9px 12px;
	border: 1px solid #cfdbea;
	border-radius: 10px;
	background: #f8fafc;
	box-shadow: none;
	color: #27364f !important;
	font-size: 0.82rem;
	font-weight: 750;
	cursor: pointer;
}

.paa-tool-button:hover,
.paa-app .paa-tool-button:hover {
	border-color: #93c5fd;
	background: #eff6ff;
	color: #1d4ed8 !important;
}

.paa-control-card {
	display: flex;
	min-height: 0;
	padding: 22px;
	flex-direction: column;
}

.paa-control-card h3 {
	color: var(--paa-navy);
	font-size: 1.18rem;
	font-weight: 800;
}

.paa-control-card p {
	margin: 8px 0 16px;
	color: var(--paa-muted);
	font-size: 0.91rem;
}

.paa-mode-panel[hidden],
.paa-app [hidden] {
	display: none !important;
}

.paa-learn-steps {
	margin: 18px 0;
	padding: 0;
	list-style: none;
	counter-reset: steps;
}

.paa-learn-steps li {
	position: relative;
	min-height: 60px;
	margin: 0 0 11px;
	padding: 10px 10px 10px 46px;
	border: 1px solid transparent;
	border-radius: 12px;
	color: #5d6a7e;
	counter-increment: steps;
	transition: background 0.2s ease, border-color 0.2s ease;
}

.paa-learn-steps li::before {
	position: absolute;
	left: 9px;
	top: 12px;
	display: grid;
	place-items: center;
	width: 28px;
	height: 28px;
	border-radius: 50%;
	background: #e8edf4;
	color: #64748b;
	content: counter(steps);
	font-size: 0.78rem;
	font-weight: 850;
}

.paa-learn-steps li.is-current {
	border-color: #bfdbfe;
	background: #eff6ff;
	color: #263a5b;
}

.paa-learn-steps li.is-current::before {
	background: var(--paa-blue);
	color: #fff;
}

.paa-learn-steps li.is-complete::before {
	background: var(--paa-green);
	color: #fff;
	content: "✓";
}

.paa-learn-steps strong,
.paa-learn-steps span {
	display: block;
}

.paa-learn-steps strong {
	color: var(--paa-navy);
	font-size: 0.9rem;
}

.paa-learn-steps span {
	margin-top: 2px;
	font-size: 0.77rem;
}

.paa-action-row {
	display: flex;
	gap: 9px;
}

.paa-action-row-wrap {
	flex-wrap: wrap;
}

.paa-button,
.paa-app .paa-button {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 44px;
	padding: 10px 15px;
	border: 1px solid transparent;
	border-radius: 10px;
	box-shadow: none;
	font-size: 0.84rem;
	font-weight: 800;
	line-height: 1.2;
	cursor: pointer;
	transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}

.paa-button:hover,
.paa-app .paa-button:hover {
	transform: translateY(-1px);
}

.paa-button:disabled,
.paa-app .paa-button:disabled {
	opacity: 0.5;
	cursor: not-allowed;
	transform: none;
}

.paa-button-primary,
.paa-app .paa-button-primary {
	border-color: var(--paa-blue-dark);
	background: var(--paa-blue);
	color: #fff !important;
}

.paa-button-primary:hover,
.paa-app .paa-button-primary:hover {
	background: var(--paa-blue-dark);
	color: #fff !important;
}

.paa-button-secondary,
.paa-app .paa-button-secondary {
	border-color: #cbd5e1;
	background: #fff;
	color: #334155 !important;
}

.paa-button-secondary:hover,
.paa-app .paa-button-secondary:hover {
	border-color: #93c5fd;
	background: #eff6ff;
	color: #1d4ed8 !important;
}

.paa-button-ghost,
.paa-app .paa-button-ghost {
	border-color: #e2e8f0;
	background: #f1f5f9;
	color: #334155 !important;
}

.paa-button-ghost:hover,
.paa-app .paa-button-ghost:hover {
	background: #e2e8f0;
	color: #1e293b !important;
}

.paa-full-button {
	width: 100%;
}

.paa-answer-label {
	display: block;
	margin: 16px 0 7px;
	color: #334155;
	font-size: 0.78rem;
	font-weight: 800;
}

.paa-number-answer {
	display: flex;
	align-items: center;
	width: 100%;
	margin-bottom: 14px;
	border: 2px solid #cbd5e1;
	border-radius: 12px;
	background: #fff;
	overflow: hidden;
}

.paa-number-answer:focus-within {
	border-color: var(--paa-blue);
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.paa-number-answer input,
.paa-app .paa-number-answer input {
	width: 100%;
	height: 50px;
	margin: 0;
	padding: 8px 5px 8px 14px;
	border: 0;
	border-radius: 0;
	background: transparent;
	box-shadow: none;
	color: var(--paa-navy);
	font-size: 1.25rem;
	font-weight: 800;
	-moz-appearance: textfield;
}

.paa-number-answer input::-webkit-inner-spin-button,
.paa-number-answer input::-webkit-outer-spin-button {
	margin: 0;
	-webkit-appearance: none;
}

.paa-number-answer input:focus {
	outline: none;
}

.paa-number-answer span {
	padding: 0 14px 0 7px;
	color: var(--paa-blue);
	font-size: 1.3rem;
	font-weight: 900;
}

.paa-choice-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 10px;
	margin: 15px 0;
}

.paa-choice,
.paa-app .paa-choice {
	min-height: 58px;
	padding: 12px;
	border: 2px solid #cbd5e1;
	border-radius: 12px;
	background: #fff;
	box-shadow: none;
	color: #1e293b !important;
	font-size: 1.02rem;
	font-weight: 850;
	cursor: pointer;
}

.paa-choice:hover,
.paa-app .paa-choice:hover {
	border-color: #60a5fa;
	background: #eff6ff;
	color: #1d4ed8 !important;
}

.paa-choice.is-correct,
.paa-app .paa-choice.is-correct {
	border-color: #22c55e;
	background: #f0fdf4;
	color: #166534 !important;
}

.paa-choice.is-wrong,
.paa-app .paa-choice.is-wrong {
	border-color: #f87171;
	background: #fef2f2;
	color: #991b1b !important;
}

.paa-choice.is-selected,
.paa-app .paa-choice.is-selected {
	border-color: var(--paa-blue);
	background: #dbeafe;
	color: #1e40af !important;
	box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.paa-feedback {
	display: flex;
	align-items: flex-start;
	gap: 9px;
	margin-top: auto;
	padding: 12px;
	border: 1px solid #dbeafe;
	border-radius: 12px;
	background: #f0f7ff;
}

.paa-feedback.is-success {
	border-color: #bbf7d0;
	background: #f0fdf4;
}

.paa-feedback.is-error {
	border-color: #fecaca;
	background: #fff5f5;
}

.paa-feedback.is-warning {
	border-color: #fde68a;
	background: #fffbeb;
}

.paa-feedback-icon {
	font-size: 1rem;
	line-height: 1.35;
}

.paa-feedback p {
	margin: 0;
	color: #334155;
	font-size: 0.8rem;
	font-weight: 650;
}

.paa-mini-stats {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 7px;
	margin-top: 13px;
}

.paa-mini-stats div {
	padding: 9px 5px;
	border: 1px solid #e2e8f0;
	border-radius: 10px;
	background: #f8fafc;
	text-align: center;
}

.paa-mini-stats span,
.paa-mini-stats strong {
	display: block;
}

.paa-mini-stats span {
	color: #64748b;
	font-size: 0.67rem;
	font-weight: 700;
}

.paa-mini-stats strong {
	margin-top: 1px;
	color: var(--paa-navy);
	font-size: 1rem;
}

.paa-quiz-info {
	margin: 12px 0 18px;
	padding-left: 20px;
	color: #475569;
	font-size: 0.83rem;
}

.paa-quiz-info li {
	margin: 5px 0;
}

.paa-result-ring {
	display: grid;
	place-content: center;
	width: 116px;
	height: 116px;
	margin: 0 auto 16px;
	border: 9px solid #bfdbfe;
	border-top-color: var(--paa-blue);
	border-radius: 50%;
	background: #eff6ff;
	text-align: center;
}

.paa-result-ring strong,
.paa-result-ring span {
	display: block;
}

.paa-result-ring strong {
	color: var(--paa-blue-dark);
	font-size: 2rem;
	line-height: 1;
}

.paa-result-ring span {
	margin-top: 4px;
	color: #64748b;
	font-size: 0.72rem;
	font-weight: 800;
}

.paa-footer {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
	padding: 12px 24px;
	border-top: 1px solid var(--paa-line);
	background: #fff;
	color: #64748b;
	font-size: 0.72rem;
	font-weight: 700;
}

.paa-footer a {
	color: #1d4ed8;
	font-weight: 850;
	text-decoration: none;
}

.paa-footer a:hover {
	text-decoration: underline;
}

@media (max-width: 1020px) {
	.paa-workspace {
		grid-template-columns: 1fr;
	}

	.paa-control-card {
		min-height: 380px;
	}

	.paa-tabs {
		grid-template-columns: repeat(5, minmax(150px, 1fr));
	}
}

@media (max-width: 620px) {
	.paa-app {
		margin: 16px auto;
		border-radius: 16px;
	}

	.paa-hero {
		padding: 22px 18px;
	}

	.paa-hero-badge {
		display: none;
	}

	.paa-hero p:not(.paa-eyebrow) {
		font-size: 0.88rem;
	}

	.paa-workspace {
		gap: 12px;
		padding: 12px;
	}

	.paa-stage-card,
	.paa-control-card {
		padding: 14px;
		border-radius: 14px;
	}

	.paa-canvas-wrap {
		height: 350px;
		min-height: 350px;
	}

	.paa-tool-button span {
		display: none;
	}

	.paa-tool-button,
	.paa-app .paa-tool-button {
		font-size: 1rem;
	}

	.paa-stage-heading h3 {
		font-size: 1.02rem;
	}

	.paa-question-count {
		font-size: 0.7rem;
	}

	.paa-button,
	.paa-app .paa-button {
		flex: 1 1 auto;
	}

	.paa-footer {
		padding: 11px 15px;
	}
}

@media (prefers-reduced-motion: reduce) {
	.paa-app *,
	.paa-app *::before,
	.paa-app *::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
		animation-duration: 0.01ms !important;
		animation-iteration-count: 1 !important;
	}
}

@media print {
	.paa-app {
		border: 0;
		box-shadow: none;
	}

	.paa-hero,
	.paa-tabs,
	.paa-progress,
	.paa-stage-card,
	.paa-mode-panel:not([data-panel="quiz"]),
	.paa-mode-panel[data-panel="quiz"] > :not([data-quiz-result]),
	.paa-feedback,
	.paa-mini-stats,
	.paa-footer,
	.paa-action-row {
		display: none !important;
	}

	.paa-workspace {
		display: block;
		padding: 0;
	}

	.paa-control-card {
		border: 0;
		box-shadow: none;
		text-align: center;
	}

	.paa-mode-panel[data-panel="quiz"],
	.paa-mode-panel[data-panel="quiz"] [data-quiz-result] {
		display: block !important;
	}
}