@import url('https://fonts.googleapis.com/css2?family=Baloo+2:wght@400;500;600;700;800&display=swap');

.instrumentais-app {
	--instrumentais-primary: #16214f;
	--instrumentais-primary-dark: #0c1638;
	--instrumentais-card-border: #16214f;
	--instrumentais-danger: #c0392b;
	--instrumentais-warning: #b8860b;
	--instrumentais-success: #2e7d32;
	--instrumentais-bg: #ffffff;
	--instrumentais-bg-muted: #f4f6f6;
	--instrumentais-border: #dfe3e3;
	--instrumentais-text: #1f2a2a;

	max-width: 720px;
	margin: 0 auto;
	padding: 16px;
	font-family: 'Baloo 2', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
	color: var(--instrumentais-text);
	box-sizing: border-box;
}

.instrumentais-app *,
.instrumentais-app *::before,
.instrumentais-app *::after {
	box-sizing: border-box;
}

.instrumentais-app button {
	font-family: inherit;
	font-weight: 600;
	font-size: 1rem;
	cursor: pointer;
	border: 1px solid var(--instrumentais-border);
	background: var(--instrumentais-bg);
	color: var(--instrumentais-text);
	border-radius: 999px;
	padding: 10px 20px;
	transition: background-color 0.15s ease, transform 0.05s ease;
}

.instrumentais-app button:hover {
	background: var(--instrumentais-bg-muted);
}

.instrumentais-app button:active {
	transform: scale(0.98);
}

.instrumentais-app button:disabled {
	cursor: default;
	opacity: 0.7;
}

.instrumentais-app .instrumentais-btn-primary {
	background: var(--instrumentais-primary);
	border-color: var(--instrumentais-primary);
	color: #fff;
}

.instrumentais-app .instrumentais-btn-primary:hover {
	background: var(--instrumentais-primary-dark);
}

.instrumentais-app .is-danger {
	border-color: var(--instrumentais-danger);
	color: var(--instrumentais-danger);
}

.instrumentais-app .is-warning {
	border-color: var(--instrumentais-warning);
	color: var(--instrumentais-warning);
}

.instrumentais-app .is-success {
	border-color: var(--instrumentais-success);
	color: var(--instrumentais-success);
}

.instrumentais-loading,
.instrumentais-empty {
	text-align: center;
	padding: 48px 16px;
	color: #666;
}

/* Tela inicial */

.instrumentais-home {
	text-align: center;
}

.instrumentais-home h1 {
	margin-bottom: 8px;
	font-size: 1.8rem;
	font-weight: 800;
}

.instrumentais-intro {
	color: #555;
	margin-bottom: 24px;
}

.instrumentais-home-actions {
	display: flex;
	flex-direction: column;
	gap: 12px;
	max-width: 360px;
	margin: 0 auto;
}

.instrumentais-total {
	margin-top: 24px;
	font-size: 0.9rem;
	color: #777;
}

/* Cabeçalho de sessão */

.instrumentais-session-header {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	justify-content: space-between;
	gap: 8px;
	margin-bottom: 12px;
	font-size: 0.9rem;
	font-weight: 600;
}

.instrumentais-instructions {
	font-size: 0.9rem;
	color: #666;
	margin: 0 0 16px;
}

/* Wrapper com setas de navegação (Learn e Alternativas) — o card mantém a
   largura normal e as setas ficam sobrepostas nas laterais externas, com
   leve sobreposição sobre a borda (não sobre o texto). */

.instrumentais-card-nav {
	position: relative;
	margin-bottom: 20px;
	touch-action: pan-y;
}

.instrumentais-nav-arrow {
	position: absolute;
	top: 50%;
	transform: translateY(-50%);
	z-index: 5;
	width: 42px;
	height: 42px;
	padding: 0;
	border: none;
	border-radius: 50%;
	background: rgba(255, 255, 255, 0.8);
	box-shadow: 0 2px 8px rgba(0, 0, 0, 0.18);
	font-size: 1.5rem;
	line-height: 1;
	display: flex;
	align-items: center;
	justify-content: center;
	color: var(--instrumentais-primary);
}

.instrumentais-nav-arrow:hover {
	background: rgba(255, 255, 255, 0.95);
}

.instrumentais-nav-arrow:disabled {
	opacity: 0.25;
	box-shadow: none;
}

.instrumentais-nav-prev {
	left: -20px;
}

.instrumentais-nav-next {
	right: -20px;
}

/* Flip card (Modo Cartas) */

.instrumentais-flipcard {
	perspective: 1200px;
}

.instrumentais-flipcard-inner {
	position: relative;
	min-height: 120px;
	transform-style: preserve-3d;
	transition: transform 0.5s, height 0.3s ease;
}

.instrumentais-flipcard.is-flipped .instrumentais-flipcard-inner {
	transform: rotateY(180deg);
}

.instrumentais-flipcard-front,
.instrumentais-flipcard-back {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	backface-visibility: hidden;
	border: 7px solid var(--instrumentais-card-border);
	border-radius: 36px;
	padding: 28px;
	background: var(--instrumentais-bg);
	overflow: hidden;
}

.instrumentais-flipcard-back {
	transform: rotateY(180deg);
}

.instrumentais-card-image {
	width: 65%;
	max-width: 260px;
	aspect-ratio: 1 / 1;
	object-fit: contain;
	display: block;
	margin: 0 auto 20px;
}

.instrumentais-card-title {
	margin: 0 0 16px;
	font-size: 1.7rem;
	font-weight: 800;
}

.instrumentais-card-fields {
	flex: 1;
}

.instrumentais-desc-toggle {
	display: block;
	margin: 0 auto 16px;
	padding: 0;
	background: none;
	border: none;
	color: var(--instrumentais-success);
	font-weight: 700;
	font-size: 1rem;
	text-decoration: underline;
	cursor: pointer;
}

.instrumentais-desc-toggle:hover,
.instrumentais-desc-toggle:focus {
	color: var(--instrumentais-primary);
}

.instrumentais-field {
	margin: 0 0 14px;
	font-size: 1rem;
	line-height: 1.45;
}

.instrumentais-field strong {
	font-weight: 700;
}

.instrumentais-learn-actions {
	text-align: center;
}

.instrumentais-flip-btn {
	margin-bottom: 16px;
}

.instrumentais-rating {
	display: flex;
	justify-content: center;
	gap: 12px;
	flex-wrap: wrap;
}

/* Modo Alternativas */

.instrumentais-card-front-only {
	display: flex;
	flex-direction: column;
	border: 7px solid var(--instrumentais-card-border);
	border-radius: 36px;
	padding: 28px;
	background: var(--instrumentais-bg);
}

.instrumentais-options {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 12px;
	margin-top: 16px;
}

.instrumentais-option {
	text-align: left;
	white-space: normal;
	border-radius: 16px;
}

.instrumentais-option.is-correct {
	background: #e4f3e6;
	border-color: var(--instrumentais-success);
	color: var(--instrumentais-success);
}

.instrumentais-option.is-wrong {
	background: #fbe9e7;
	border-color: var(--instrumentais-danger);
	color: var(--instrumentais-danger);
}

.instrumentais-feedback {
	margin-top: 20px;
	padding: 16px;
	border-radius: 20px;
	background: var(--instrumentais-bg-muted);
}

.instrumentais-feedback.is-correct {
	border: 1px solid var(--instrumentais-success);
}

.instrumentais-feedback.is-wrong {
	border: 1px solid var(--instrumentais-danger);
}

/* Resumo de sessão */

.instrumentais-summary {
	text-align: center;
}

.instrumentais-summary-actions {
	display: flex;
	justify-content: center;
	gap: 12px;
	margin-top: 20px;
	flex-wrap: wrap;
}

/* Progresso */

.instrumentais-level-list {
	list-style: none;
	padding: 0;
	margin: 0 0 20px;
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.instrumentais-level-list button {
	width: 100%;
	text-align: left;
	border-radius: 16px;
}

.instrumentais-name-list {
	padding-left: 20px;
}

.instrumentais-study-actions {
	display: flex;
	gap: 12px;
	flex-wrap: wrap;
	margin-top: 16px;
}

/* Responsivo */

@media (max-width: 600px) {
	.instrumentais-app {
		padding: 12px;
	}

	.instrumentais-options {
		grid-template-columns: 1fr;
	}

	.instrumentais-flipcard-front,
	.instrumentais-flipcard-back,
	.instrumentais-card-front-only {
		border-width: 5px;
		border-radius: 28px;
		padding: 20px;
	}

	.instrumentais-card-image {
		width: 100%;
		max-width: 100%;
	}

	.instrumentais-nav-arrow {
		width: 32px;
		height: 32px;
		font-size: 1.2rem;
	}

	.instrumentais-nav-prev {
		left: -12px;
	}

	.instrumentais-nav-next {
		right: -12px;
	}
}