/* Moldura 4.0 — frontend */

.m40 {
	--m40-accent: #1b4db1;
	--m40-stage: #0e1116;
	--m40-radius: 14px;
	--m40-line: rgba(0, 0, 0, 0.12);
	max-width: 560px;
	margin: 0 auto;
	font-size: 16px;
	line-height: 1.5;
}

.m40 *,
.m40 *::before,
.m40 *::after {
	box-sizing: border-box;
}

.m40__title {
	margin: 0 0 0.4em;
	font-size: 1.5em;
	line-height: 1.2;
}

.m40__intro {
	margin: 0 0 1.2em;
	opacity: 0.85;
}

/* Palco */

.m40__stage {
	position: relative;
	aspect-ratio: 1 / 1;
	border-radius: var(--m40-radius);
	overflow: hidden;
	background: var(--m40-stage);
	touch-action: none;
	user-select: none;
}

.m40__canvas {
	display: block;
	width: 100%;
	height: 100%;
	cursor: grab;
}

.m40__stage:not(.is-ready) .m40__canvas {
	cursor: default;
}

.m40__canvas.is-dragging {
	cursor: grabbing;
}

.m40__empty {
	position: absolute;
	inset: 0;
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 10px;
	color: rgba(255, 255, 255, 0.72);
	pointer-events: none;
	text-align: center;
	padding: 24px;
}

.m40__empty svg {
	width: 46px;
	height: 46px;
}

.m40__empty p {
	margin: 0;
	font-size: 0.95em;
}

.m40__busy {
	position: absolute;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	background: rgba(0, 0, 0, 0.45);
}

.m40__spinner {
	width: 30px;
	height: 30px;
	border-radius: 50%;
	border: 3px solid rgba(255, 255, 255, 0.3);
	border-top-color: #fff;
	animation: m40-spin 0.8s linear infinite;
}

@keyframes m40-spin {
	to {
		transform: rotate(360deg);
	}
}

.m40__hint {
	margin: 10px 0 0;
	font-size: 0.85em;
	opacity: 0.7;
	text-align: center;
}

/* Controles */

.m40__controls {
	margin-top: 14px;
	display: grid;
	gap: 10px;
}

.m40__slider {
	display: grid;
	grid-template-columns: 62px 1fr;
	align-items: center;
	gap: 12px;
	font-size: 0.85em;
	opacity: 0.9;
}

.m40__slider input[type="range"] {
	width: 100%;
	accent-color: var(--m40-accent);
	height: 24px;
	margin: 0;
}

.m40__mini {
	display: flex;
	gap: 8px;
	justify-content: center;
	flex-wrap: wrap;
}

.m40__ghost {
	background: none;
	border: 1px solid var(--m40-line);
	border-radius: 999px;
	padding: 7px 14px;
	font: inherit;
	font-size: 0.82em;
	cursor: pointer;
	color: inherit;
}

.m40__ghost:hover {
	border-color: var(--m40-accent);
	color: var(--m40-accent);
}

/* Seletor de molduras */

.m40__frames {
	display: flex;
	gap: 10px;
	overflow-x: auto;
	padding: 14px 2px 4px;
	scrollbar-width: thin;
}

.m40__frame {
	flex: 0 0 auto;
	width: 78px;
	background: none;
	border: 2px solid transparent;
	border-radius: 10px;
	padding: 4px;
	cursor: pointer;
	font: inherit;
	color: inherit;
	text-align: center;
}

.m40__frame img {
	display: block;
	width: 100%;
	height: auto;
	border-radius: 6px;
	background: var(--m40-stage);
}

.m40__frame span {
	display: block;
	font-size: 0.72em;
	margin-top: 4px;
	opacity: 0.75;
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.m40__frame.is-active {
	border-color: var(--m40-accent);
}

/* Ações */

.m40__actions {
	display: flex;
	gap: 10px;
	margin-top: 18px;
	flex-wrap: wrap;
}

.m40__btn {
	flex: 1 1 160px;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 50px;
	padding: 12px 18px;
	border-radius: 999px;
	border: 1px solid var(--m40-accent);
	font: inherit;
	font-weight: 600;
	cursor: pointer;
	text-align: center;
	transition: opacity 0.15s ease, transform 0.15s ease;
}

.m40__btn:active {
	transform: translateY(1px);
}

.m40__btn--pick {
	background: transparent;
	color: var(--m40-accent);
	position: relative;
	overflow: hidden;
}

.m40__file {
	position: absolute;
	inset: 0;
	opacity: 0;
	cursor: pointer;
	font-size: 0;
}

.m40__btn--go,
.m40__btn--share {
	background: var(--m40-accent);
	color: #fff;
}

.m40__btn--share {
	background: transparent;
	color: var(--m40-accent);
}

.m40__btn[disabled] {
	opacity: 0.4;
	cursor: not-allowed;
}

.m40__btn--pick:focus-within,
.m40__btn:focus-visible,
.m40__ghost:focus-visible,
.m40__frame:focus-visible {
	outline: 3px solid var(--m40-accent);
	outline-offset: 2px;
}

/* Mensagens */

.m40__status {
	margin: 12px 0 0;
	min-height: 1.4em;
	font-size: 0.88em;
	text-align: center;
}

.m40__status.is-error {
	color: #b3261e;
}

.m40__status.is-ok {
	color: #14682d;
}

.m40__privacy {
	margin: 14px 0 0;
	font-size: 0.78em;
	opacity: 0.6;
	text-align: center;
}

.m40-notice {
	border: 1px dashed #b3261e;
	border-radius: 8px;
	padding: 14px;
	color: #b3261e;
}

@media (prefers-reduced-motion: reduce) {
	.m40 * {
		animation-duration: 0.01ms !important;
		transition-duration: 0.01ms !important;
	}
}