/*
  Wortic macOS UI Kit — Progress / Spinner / Skeleton
  wm-progress
  Liquid Glass: fill com gradiente da marca e cap arredondado, trilha
  com sombra interna sutil, spinner em conic-gradient com cauda suave.
*/

@layer components {
  /* Linear */
  .wm-progress {
    width: 100%;
    height: 6px;
    border-radius: var(--wm-radius-pill);
    background: var(--wm-fill-primary);
    box-shadow: inset 0 0.5px 1.5px rgba(0, 0, 0, 0.08);
    overflow: hidden;
  }
  .wm-progress__fill {
    height: 100%;
    background: linear-gradient(
      90deg,
      var(--wm-accent) 0%,
      color-mix(in srgb, var(--wm-accent) 55%, var(--wm-accent-secondary)) 100%
    );
    border-radius: inherit;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22),
      0 0 8px -2px color-mix(in srgb, var(--wm-accent) 50%, transparent);
    transition: width var(--wm-duration-slow) var(--wm-ease-standard);
  }

  .wm-progress--indeterminate .wm-progress__fill {
    width: 40% !important;
    animation: wm-progress-indeterminate 1.3s var(--wm-ease-standard) infinite;
  }
  @keyframes wm-progress-indeterminate {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(350%); }
  }

  /* Circular */
  .wm-progress-circle {
    display: inline-block;
    transform: rotate(-90deg);
  }
  .wm-progress-circle circle {
    fill: none;
    stroke-width: 3;
  }
  .wm-progress-circle circle.wm-progress-circle__track {
    stroke: var(--wm-fill-primary);
  }
  .wm-progress-circle circle.wm-progress-circle__fill {
    stroke: var(--wm-accent);
    stroke-linecap: round;
    transition: stroke-dashoffset var(--wm-duration-slow) var(--wm-ease-standard);
  }
  .wm-progress-circle--indeterminate {
    animation: wm-spin 0.9s linear infinite;
  }
  .wm-progress-circle--indeterminate circle.wm-progress-circle__fill {
    stroke-dasharray: 80 200;
  }

  /* Spinner — conic gradient com cauda em fade (mais próximo do
     NSProgressIndicator moderno que o anel de borda sólida). */
  .wm-spinner {
    --_spinner-color: var(--wm-accent);
    --_spinner-thickness: 2px;
    display: inline-block;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: conic-gradient(
      from 0.25turn,
      transparent 0deg,
      color-mix(in srgb, var(--_spinner-color) 10%, transparent) 40deg,
      var(--_spinner-color) 360deg
    );
    -webkit-mask: radial-gradient(
      farthest-side,
      transparent calc(100% - var(--_spinner-thickness) - 0.5px),
      #000 calc(100% - var(--_spinner-thickness))
    );
    mask: radial-gradient(
      farthest-side,
      transparent calc(100% - var(--_spinner-thickness) - 0.5px),
      #000 calc(100% - var(--_spinner-thickness))
    );
    animation: wm-spin 0.7s linear infinite;
  }
  .wm-spinner--lg {
    width: 28px;
    height: 28px;
    --_spinner-thickness: 3px;
  }
  .wm-spinner--on-dark {
    --_spinner-color: #ffffff;
  }

  /* Indicador + rótulo em texto.
     Existe porque prefers-reduced-motion congela o giro: quem desligou
     movimento vê um arco parado, e sem a palavra ao lado não tem como
     saber se o sistema está trabalhando ou travou. */
  .wm-progress-line {
    display: flex;
    align-items: center;
    gap: var(--wm-space-5);
    width: 100%;
  }
  /* base 0: quem estica é a barra. Com `flex: 1 1 auto` a barra herda
     `width: 100%` como base e espreme o rótulo até ele quebrar palavra —
     "Baixando 180 de 250 / MB" em duas linhas. */
  .wm-progress-line .wm-progress {
    flex: 1 1 0;
  }
  .wm-progress-line .wm-progress-label {
    flex: none;
  }
  .wm-progress-label {
    font-size: var(--wm-font-size-subheadline);
    line-height: var(--wm-line-height-normal);
    color: var(--wm-label-secondary);
  }

  /* Skeleton */
  .wm-skeleton {
    position: relative;
    overflow: hidden;
    background: var(--wm-fill-secondary);
    border-radius: var(--wm-radius-sm);
  }
  .wm-skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(
      90deg,
      transparent,
      rgba(255, 255, 255, 0.35),
      transparent
    );
    animation: wm-skeleton-shimmer 1.6s var(--wm-ease-standard) infinite;
  }
  :root[data-theme="dark"] .wm-skeleton::after {
    background: linear-gradient(
      90deg,
      transparent,
      rgba(255, 255, 255, 0.08),
      transparent
    );
  }
  @media (prefers-color-scheme: dark) {
    :root:not([data-theme="light"]) .wm-skeleton::after {
      background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.08),
        transparent
      );
    }
  }
  @keyframes wm-skeleton-shimmer {
    100% { transform: translateX(100%); }
  }
  .wm-skeleton--text {
    height: 10px;
    border-radius: var(--wm-radius-xs);
  }
  .wm-skeleton--avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
  }

  /* Arranjo do esqueleto. Placeholder solto não é placeholder: o que faz
     a pessoa reconhecer "isto vai virar um comentário" é a FORMA — o
     círculo do avatar à esquerda e as linhas empilhadas à direita. */
  .wm-skeleton-group {
    display: flex;
    flex-direction: column;
    gap: var(--wm-space-3);
    flex: 1 1 auto;
    min-width: 0;
  }
  .wm-skeleton-row {
    display: flex;
    align-items: flex-start;
    gap: var(--wm-space-5);
    width: 100%;
  }

  @media (prefers-reduced-motion: reduce) {
    .wm-progress--indeterminate .wm-progress__fill,
    .wm-progress-circle--indeterminate,
    .wm-spinner,
    .wm-skeleton::after {
      animation-duration: 2.4s;
    }
  }
}