/* ==========================================================================
   Loading Overlay Component
   Versão: 2.0
   Última atualização: 2025
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
   :root {
	/* Cores do Loading */
	--loading-bg-start: rgb(13 16 30);
	--loading-bg-end: rgb(26 32 57 / 82%);
	--loading-blur: 12px;
	--loading-radius: 14px;

	/* Spinner */
	--spinner-size: 60px;
	--spinner-border-width: 4px;
	--spinner-dot-size: 8px;

	/* Steps */
	--step-radius: 10px;
	--step-padding-block: 0.75rem;
	--step-padding-inline: 1rem;

	/* Estados */
	--color-success: oklch(72% 0.15 145);
	--color-success-light: oklch(78% 0.15 145);

	/* Transições */
	--transition-fast: 150ms;
	--transition-normal: 300ms;
	--ease-out: cubic-bezier(0.33, 1, 0.68, 1);

	/* Tipografia */
	--font-family-display: 'Outfit', system-ui, sans-serif;
  }

  /* --------------------------------------------------------------------------
	 Loading Overlay Container
	 -------------------------------------------------------------------------- */
  .loading-overlay {
	/* Layout */
	position: absolute;
	inset: 0;
	z-index: 1000;

	/* Flexbox */
	display: flex;
	flex-direction: column;
	justify-content: center;
	align-items: center;
	gap: 1.5rem;

	/* Visual */
	background: linear-gradient(135deg, var(--loading-bg-start), var(--loading-bg-end));
	backdrop-filter: blur(var(--loading-blur));
	border-radius: var(--loading-radius);

	/* Acessibilidade - reduz animações se preferido */
	@media (prefers-reduced-motion: reduce) {
	  backdrop-filter: none;
	}
  }

  .loading-overlay h5 {
	font-family: var(--font-family-display);
	font-weight: 600;
	font-size: clamp(1rem, 2.5vw, 1.1rem);
	color: rgb(255 255 255 / 90%);
	margin: 0;
  }

  /* --------------------------------------------------------------------------
	 Custom Spinner
	 -------------------------------------------------------------------------- */
  .custom-spinner {
	/* Dimensões usando aspect-ratio */
	inline-size: var(--spinner-size);
	aspect-ratio: 1;

	/* Visual */
	border: var(--spinner-border-width) solid rgb(var(--theme-primary-rgb) / 10%);
	border-radius: 50%;
	box-shadow: 0 0 20px rgb(var(--theme-primary-rgb) / 20%);

	/* Animação */
	animation:
	  spinner-rotate 1s linear infinite,
	  spinner-pulse 2s var(--ease-out) infinite;

	/* Posicionamento para pseudo-elementos */
	position: relative;

	/* Acessibilidade */
	@media (prefers-reduced-motion: reduce) {
	  animation: none;
	  opacity: 0.7;
	}
  }

  /* Anel externo rotativo */
  .custom-spinner::before {
	content: '';
	position: absolute;
	inset: calc(var(--spinner-border-width) * -1);
	border: var(--spinner-border-width) solid transparent;
	border-inline-end-color: var(--theme-primary-light);
	border-radius: 50%;
	animation: spinner-rotate 1.5s linear infinite;

	@media (prefers-reduced-motion: reduce) {
	  animation: none;
	}
  }

  /* Ponto central */
  .custom-spinner::after {
	content: '';
	position: absolute;
	inset: 50%;
	inline-size: var(--spinner-dot-size);
	aspect-ratio: 1;
	background: var(--theme-primary-light);
	border-radius: 50%;
	box-shadow: 0 0 15px var(--theme-primary-light);
	translate: -50% -50%;
  }

  /* --------------------------------------------------------------------------
	 Keyframes (usando transform para performance)
	 -------------------------------------------------------------------------- */
  @keyframes spinner-rotate {
	to {
	  rotate: 360deg;
	}
  }

  @keyframes spinner-pulse {
	0%, 100% {
	  scale: 1;
	  opacity: 1;
	}
	50% {
	  scale: 1.05;
	  opacity: 0.9;
	}
  }

  /* --------------------------------------------------------------------------
	 Loading Steps Container
	 -------------------------------------------------------------------------- */
  .loading-steps {
	inline-size: min(85%, 400px);
	display: grid;
	gap: 0.75rem;
  }

  /* --------------------------------------------------------------------------
	 Loading Step Item
	 -------------------------------------------------------------------------- */
  .loading-step {
	/* Layout */
	display: grid;
	gap: 0.5rem;
	padding-block: var(--step-padding-block);
	padding-inline: var(--step-padding-inline);

	/* Visual base */
	background: rgb(var(--theme-primary-rgb) / 5%);
	border: 1px solid rgb(var(--theme-primary-rgb) / 10%);
	border-radius: var(--step-radius);

	/* Transição suave */
	transition:
	  background-color var(--transition-normal) var(--ease-out),
	  border-color var(--transition-normal) var(--ease-out),
	  opacity var(--transition-normal) var(--ease-out);

	/* Oculto por padrão com animação */
	opacity: 0;
	visibility: hidden;

	/* Usa :where para baixa especificidade */
	&:where(.active, .completed) {
	  opacity: 1;
	  visibility: visible;
	}
  }

  /* Estado Ativo */
  .loading-step.active {
	background: rgb(var(--theme-primary-rgb) / 8%);
	border-color: rgb(var(--theme-primary-rgb) / 20%);
  }

  /* Estado Completo */
  .loading-step.completed {
	background: rgb(from var(--color-success) r g b / 10%);
	border-color: rgb(from var(--color-success) r g b / 30%);

	& .step-icon {
	  color: var(--color-success);
	}

	& .progress-bar {
	  background: linear-gradient(90deg, var(--color-success), var(--color-success-light));
	  box-shadow: 0 0 10px rgb(from var(--color-success) r g b / 50%);
	}
  }

  /* --------------------------------------------------------------------------
	 Step Header
	 -------------------------------------------------------------------------- */
  .loading-step .step-header {
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 1rem;
  }

  .loading-step .step-title {
	display: flex;
	align-items: center;
	gap: 0.5rem;
  }

  .loading-step .step-icon {
	font-size: 1rem;
	color: var(--theme-primary-light);
	flex-shrink: 0;
  }

  .loading-step span {
	font-size: 0.85rem;
	font-weight: 500;
	color: rgb(255 255 255 / 70%);
  }

  .loading-step .step-status {
	font-size: 0.75rem;
	font-weight: 600;
	color: var(--theme-primary-light);
	white-space: nowrap;
  }

  /* --------------------------------------------------------------------------
	 Progress Bar
	 -------------------------------------------------------------------------- */
.loading-step .progress {
	block-size: 5px;
	background: rgb(0 0 0 / 30%);
	border-radius: var(--step-radius);
	overflow: hidden;
}

.loading-step .progress-bar {
	block-size: 100%;
	background: linear-gradient(90deg, var(--theme-primary), var(--theme-primary-light));
	border-radius: inherit;
	box-shadow: 0 0 10px rgb(var(--theme-primary-rgb) / 50%);

	/* Transição suave para largura */
	transition: inline-size var(--transition-normal) var(--ease-out);

	/* GPU acceleration */
	will-change: inline-size;
}

  /* --------------------------------------------------------------------------
	 Responsividade com Container Queries (quando suportado)
	 -------------------------------------------------------------------------- */
@supports (container-type: inline-size) {
	.loading-overlay {
		container-type: inline-size;
		container-name: loading;
	}

	@container loading (max-width: 300px) {
		.loading-steps {
			inline-size: 95%;
		}

		.loading-step {
			padding-inline: 0.75rem;
		}

		.custom-spinner {
			--spinner-size: 48px;
		}
	}
}