@layer components {
  .site-nav a[aria-current="page"] { color: var(--color-text); }

  .auth-page {
    display: grid;
    align-content: center;
    min-block-size: calc(100svh - 6rem);
    padding-block: var(--space-8) var(--space-12);

    h1 { margin: 0; }

    a { color: inherit; }

    svg { display: block; max-inline-size: 100%; }

    .sr-only {
      position: absolute;
      inline-size: 1px;
      block-size: 1px;
      overflow: hidden;
      clip-path: inset(50%);
      white-space: nowrap;
    }

    .card {
      position: relative;
      display: flex;
      flex-direction: column;
      gap: var(--space-3);
      padding: var(--space-5);
      border: 1px solid var(--color-border);
      border-radius: var(--radius-sharp);
      background: var(--color-panel);
      color: var(--color-text);
      box-shadow:
        0 1px 2px var(--color-panel-shadow-near),
        0 6px 18px var(--color-panel-shadow-far);

      &.has-rule::before {
        content: "";
        position: absolute;
        inset: -1px -1px auto;
        block-size: 2px;
        border-radius: var(--radius-sharp) var(--radius-sharp) 0 0;
        background: var(--logo-gradient-rule);
      }
    }

    .cta {
      position: relative;
      isolation: isolate;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: var(--space-3);
      inline-size: 100%;
      min-block-size: 3rem;
      padding: 0 var(--space-5);
      border: 0;
      border-radius: var(--radius-sharp);
      background: none;
      color: var(--color-on-gradient);
      font-family: var(--font-mono);
      font-size: var(--text-xs);
      font-weight: 500;
      letter-spacing: var(--tracking-caps);
      text-transform: uppercase;
      white-space: nowrap;
      cursor: pointer;
      scale: none;
      filter:
        drop-shadow(0 2px 3px color-mix(in oklch, var(--color-accent) 0%, transparent))
        drop-shadow(0 6px 14px color-mix(in oklch, var(--color-accent) 0%, transparent));
      transition: filter var(--duration-wipe) var(--ease-in-out);

      &::before {
        content: "";
        position: absolute;
        inset: 0;
        z-index: -1;
        border-radius: var(--radius-sharp);
        background: var(--logo-gradient);
      }

      &::after {
        content: "";
        position: absolute;
        inset: -0.375rem;
        border: 1.5px solid var(--color-accent);
        pointer-events: none;
        mask:
          linear-gradient(#000 0 0) top left / var(--bracket) var(--bracket) no-repeat,
          linear-gradient(#000 0 0) top right / var(--bracket) var(--bracket) no-repeat,
          linear-gradient(#000 0 0) bottom left / var(--bracket) var(--bracket) no-repeat,
          linear-gradient(#000 0 0) bottom right / var(--bracket) var(--bracket) no-repeat;
        transition: scale var(--duration-wipe) var(--ease-in-out);
      }

      &:hover, &:focus-visible {
        filter:
          drop-shadow(0 2px 3px color-mix(in oklch, var(--color-accent) 10%, transparent))
          drop-shadow(0 6px 14px color-mix(in oklch, var(--color-accent) 16%, transparent));
      }

      &:disabled { cursor: progress; }

      &:disabled::before { opacity: 0.72; }

      &:disabled::after { opacity: 0.5; }
    }

    @media (prefers-reduced-motion: no-preference) {
      .cta:hover::after, .cta:focus-visible::after { scale: 1.04 1.13; }
    }

    .glyph { flex: none; inline-size: 14px; block-size: 14px; }

    .auth-s1 {
      display: grid;
      justify-items: center;
      gap: var(--space-6);
    }

    .auth-logo {
      display: block;
      inline-size: 10rem;

      svg { inline-size: 100%; block-size: auto; }

      .logo-pass { fill: var(--color-logo-pass); }
    }

    .auth-card {
      inline-size: min(100%, 28rem);
      gap: var(--space-4);
      padding: var(--space-6);
    }

    .auth-title {
      font-size: var(--text-3xl);
      font-weight: 300;
      letter-spacing: -0.02em;
      line-height: var(--line-height-tight);
    }

    .auth-copy { color: var(--color-text-muted); }

    .auth-form {
      display: grid;
      gap: var(--space-5);
      margin-block-start: var(--space-2);
    }

    .field {
      display: grid;
      gap: var(--space-2);

      label { font-size: var(--text-sm); color: var(--color-text-muted); }
    }

    .email-input {
      inline-size: 100%;
      block-size: 3rem;
      padding-inline: var(--space-4);
      border: 1px solid var(--color-border-strong);
      border-radius: var(--radius-sharp);
      background: var(--color-surface);
      color: var(--color-text);
      font: inherit;
      font-size: var(--text-base);
      transition: border-color var(--duration-fill) var(--ease-out);

      &::placeholder { color: var(--color-text-muted); }

      &:hover { border-color: var(--color-wipe-border); }

      &:focus-visible { border-color: var(--color-accent); outline-offset: 2px; }
    }

    .sending-line {
      position: absolute;
      inset-inline: 0;
      inset-block-end: 0;
      block-size: 2px;
      overflow: hidden;
      border-radius: 0 0 var(--radius-sharp) var(--radius-sharp);

      &::before {
        content: "";
        position: absolute;
        inset-block: 0;
        inline-size: 35%;
        background: var(--color-on-gradient);
        opacity: 0.55;
        animation: sending 1.1s var(--ease-in-out) infinite;
      }
    }

    .form-alert {
      display: grid;
      grid-template-columns: auto minmax(0, 1fr);
      gap: var(--space-3);
      align-items: start;
      padding: var(--space-3) var(--space-4);
      border-inline-start: 2px solid var(--color-incorrect);
      background: color-mix(in oklch, var(--color-incorrect) 8%, var(--color-panel));
      font-size: var(--text-sm);

      &[hidden] { display: none; }

      .glyph { inline-size: 1rem; block-size: 1rem; margin-block-start: 0.15rem; color: var(--color-incorrect); }
    }

    .sent-glyph { inline-size: 40px; block-size: 40px; color: var(--color-accent); }

    .sent-to { font-size: var(--text-sm); color: var(--color-text-muted); }

    .sent-to strong { font-weight: 500; color: var(--color-text); overflow-wrap: anywhere; }

    .auth-meta {
      padding-block-start: var(--space-4);
      border-block-start: 1px solid var(--color-border);
      font-size: var(--text-sm);
      color: var(--color-text-muted);

      a { color: var(--color-accent); text-underline-offset: 0.2em; }
    }

    @media (max-width: 32rem) {
      & { padding-block: var(--space-6) var(--space-10); align-content: start; }

      .auth-s1 { gap: var(--space-5); }

      .auth-logo { display: none; }

      .auth-card { padding: var(--space-5); }

      .auth-title { font-size: var(--text-2xl); }

      .cta { white-space: normal; text-align: center; }
    }
  }

  @keyframes sending {
    from { translate: -100% 0; }
    to { translate: 290% 0; }
  }
}