/* Reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

* {
  margin: 0;
  padding: 0;
}

html {
  color-scheme: dark light;
}

body {
  min-height: 100vh;
}

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

input,
button,
textarea,
select {
  font: inherit;
}

body {
  font-family: "Sulphur Point", Helvetica, sans-serif;
}

/* Colors */

:root {
  --color-text: #dbd9e2;
  --color-shade: #474554;
  --color-background: #232323;
  --color-highlight: hsl(122, 56%, 65%);
  --color-base-1: #313db2;
  --color-base-2: #0e176a;
}

body {
  background-color: var(--color-background);
  color: var(--color-text);
}

button {
  background-color: var(--color-base-1);
  color: var(--color-base-2[]);
}

button:hover {
  background-color: color-mix(
    in srgb,
    var(--color-text) 20%,
    var(--color-shade) 80%
  );
}

/* Composition */

.flow > * + * {
  margin-block-start: var(--flow-space, 1rem);
}

/* Utility */

.padded {
  --padding-block: 1rem;
  --padding-inline: 1ch;
  padding: var(--padding-block) var(--padding-inline);

  &[data-padding="no-block"] {
    --padding-block: 0;
  }
}

.pill-right {
  border-radius: 0px 100vmax 100vmax 0px;
}

button.material-symbols-outlined {
  text-align: center;
  vertical-align: middle;
  border-radius: var(--border-radius, 1rem);
  padding: 0.25rem;
  width: fit-content;
  aspect-ratio: 1;
}

.ellipsis {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Block + Exception */

#controls {
  position: fixed;
  inset: auto 0 0;
  background-color: var(--color-base-2);

  display: flex;
  gap: 1rem;
  justify-content: end;

  & > button {
    font-size: clamp(2rem, 20vh, 4rem);
    border: 4px solid var(--color-text);
  }

  & > input {
    font-size: 2rem;
  }
}

.item {
  display: grid;
  grid:
    "feed open mark" 1.5rem
    "titl open mark" min-content
    "cont cont cont" min-content
    / 1fr 5rem 4rem;
  place-items: center;
  margin-inline: 1ch;
  padding-inline-start: 0;
  padding-block-end: 0.125rem;

  &:not([data-state="UNREAD"]) {
    .mark-item[hx-post="/mark/READ"] {
      display: none;
    }

    & > :not(.mark-item[hx-post="/mark/READ"]) {
      opacity: 25%;
    }
  }

  &[data-state="UNREAD"] {
    background-color: var(--color-highlight);

    .item-feed-name {
      color: var(--color-base-2);
    }

    .mark-item[hx-post="/mark/UNREAD"] {
      display: none;
    }
  }

  .item-feed-name {
    grid-area: feed;
    justify-self: start;
    font-weight: 700;
    max-width: 100%;
  }

  .item-toggle {
    font-size: 1.125rem;
    grid-area: titl;
    place-self: stretch;
    text-align: left;
    border: none;

    &[aria-expanded="false"] + .item-content {
      display: none;
    }

    &[aria-expanded="true"] + .item-content {
      opacity: 100%;
    }
  }

  .new-tab {
    grid-area: open;
    font-size: 4rem;
    text-decoration: none;
    color: var(--color-base-1);

    &:visited {
      color: var(--color-base-2);
    }
  }

  .mark-item {
    grid-area: mark;
    justify-self: stretch;
    aspect-ratio: 1;
    font-size: 2.75rem;
    border-radius: 100%;
    border: 2px solid var(--color-text);
  }

  .item-content {
    grid-area: cont;
  }
}