@layer reset, base, forms, components;

:root {
  --color-50: #eefbf6;
  --color-100: #d5f6e6;
  --color-200: #afebd2;
  --color-300: #7bdab8;
  --color-400: #50c6a0;
  --color-500: #22a781;
  --color-600: #148768;
  --color-700: #106c56;
  --color-800: #0f5645;
  --color-900: #0e4639;
  --color-950: #062821;

  --size-0: 0px;
  --size-1: 3px;
  --size-2: 6px;
  --size-3: 9px;
  --size-4: 12px;
  --size-5: 15px;
  --size-6: 18px;
  --size-7: 21px;
  --size-8: 24px;
  --size-9: 27px;
  --size-10: 30px;
  --size-11: 33px;
  --size-12: 36px;
}

@font-face {
  font-family: "berkeley-mono";
  src: url("https://files.jameslittle.me/webfonts/berkeley-mono/BerkeleyMono-Medium.woff2")
    format("woff2");
  font-weight: 400;
  font-style: normal;
}

@layer reset {
  *,
  *::before,
  *::after {
    box-sizing: border-box;
    background-repeat: no-repeat;
  }

  * {
    padding: 0;
    margin: 0;
  }

  html {
    -webkit-text-size-adjust: none;
    text-size-adjust: none;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    block-size: 100%;
  }

  body {
    min-block-size: 100%;
  }

  img,
  iframe,
  audio,
  video,
  canvas {
    display: block;
    max-inline-size: 100%;
    block-size: auto;
  }

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

  svg:not([fill]) {
    fill: currentColor;
  }

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

  textarea {
    resize: vertical;
  }

  fieldset,
  iframe {
    border: none;
  }

  p,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    overflow-wrap: break-word;
  }

  p {
    text-wrap: pretty;
    font-variant-numeric: proportional-nums;
  }

  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    font-variant-numeric: lining-nums;
  }

  p,
  blockquote,
  q,
  figcaption,
  li {
    hanging-punctuation: first allow-end last;
  }

  input,
  label,
  button,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    line-height: 1.1;
  }

  math,
  time,
  table {
    font-variant-numeric: tabular-nums lining-nums slashed-zero;
  }

  code {
    font-variant-numeric: slashed-zero;
  }

  table {
    border-collapse: collapse;
  }

  abbr {
    font-variant-caps: all-small-caps;
    text-decoration: none;

    &[title] {
      cursor: help;
      text-decoration: underline dotted;
    }
  }

  sup,
  sub {
    line-height: 0;
  }

  :disabled {
    opacity: 0.8;
    cursor: not-allowed;
  }

  :focus-visible {
    outline-offset: var(--size-1);
  }
}

@layer base {
  body {
    font-family:
      -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial,
      sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";

    background-color: #fafafa;
  }

  .container {
    padding: var(--size-6);
    max-width: 90ch;
    margin: var(--size-0) auto;
    display: flex;
    flex-direction: column;
    gap: var(--size-12);
  }

  .container > footer,
  .container > header {
    background-color: var(--color-800);
    color: #fafafa;
    padding: var(--size-3) var(--size-5);
    border-radius: var(--size-2);

    a:link,
    a:visited {
      color: currentColor;
    }

    a:hover {
      text-decoration: none;
    }
  }
}

@layer forms {
  .form-row {
    margin-bottom: var(--size-4);
  }

  .form-row label {
    display: block;
    font-size: 0.85em;
    font-weight: bold;
    margin-bottom: var(--size-1);
  }

  .input-row {
    display: flex;
    width: 100%;

    > input[type="text"],
    > input[type="password"] {
      flex-basis: 100%;
      flex-grow: 1;
      flex-shrink: 1;
    }

    > .input-prefix {
      flex-shrink: 0;
    }
  }

  .form-row input[type="text"],
  .form-row input[type="password"] {
    padding: var(--size-3) var(--size-4);
    border: 1px solid #aaa;
    border-radius: var(--size-2);
    background-color: white;

    &:focus {
      outline-offset: calc(-1 * var(--size-1));
      outline-style: solid;
      outline-width: var(--size-1);
      outline-color: var(--color-500);
    }
  }

  .form-row .input-prefix {
    padding: var(--size-3) var(--size-4);
    background-color: white;
    border-radius: var(--size-2) 0 0 var(--size-2);
    border: 1px solid #aaa;
  }

  .form-row .input-prefix + input[type="text"] {
    border-left: none;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
  }

  .form-row button {
    padding: var(--size-4) var(--size-8);
    background-color: var(--color-700);
    color: #fafafa;
    font-weight: bold;
    display: inline-block;
    border: none;
    border-radius: var(--size-2);

    &:hover {
      background-color: var(--color-600);
      cursor: pointer;
    }

    &:active,
    &:hover:active {
      background-color: var(--color-700);
      transform: translateY(var(--size-1));
    }
  }
  .form-row .cancel-link {
    padding: var(--size-4) var(--size-8);
    background-color: #5b1320;
    color: #fafafa;
    font-weight: bold;
    display: inline-block;
    border: none;
    border-radius: var(--size-2);
    line-height: 1;
    text-decoration: none;

    &:hover {
      background-color: #801a2c;
      cursor: pointer;
    }

    &:active,
    &:hover:active {
      background-color: #801a2c;
      transform: translateY(var(--size-1));
    }
  }
}

.container > footer {
  font-size: 0.85rem;
}

.navbar {
  display: flex;
  flex-direction: row;
  justify-content: space-between;

  a:link,
  a:visited {
    text-decoration: none;
  }

  a:hover {
    text-decoration: underline;
  }

  ul {
    list-style-type: none;
    display: flex;
    flex-direction: row;
    gap: var(--size-4);
  }
}

.nameplate {
  font-weight: bold;
}

.index-page-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--size-6);

  @media (max-width: 800px) {
    grid-template-columns: 1fr;
  }
}

@layer components {
  .alert {
    padding: var(--size-4) var(--size-5);
    border-radius: var(--size-2);
    margin-bottom: var(--size-6);
    border-left: var(--size-1) solid;
  }

  .alert-success {
    background-color: var(--color-50);
    border-left-color: var(--color-600);
    color: var(--color-900);
  }

  .alert-error {
    background-color: #fee;
    border-left-color: #c33;
    color: #600;
  }

  .redirect-cell {
    border: 1px solid #aaa;
    padding: var(--size-2) var(--size-3);
    border-bottom-width: 0;
    display: flex;
    flex-direction: column;
    gap: var(--size-1);

    &:first-child {
      border-top-left-radius: var(--size-2);
      border-top-right-radius: var(--size-2);
    }

    &:last-child {
      border-bottom-width: 1px;
      border-bottom-left-radius: var(--size-2);
      border-bottom-right-radius: var(--size-2);
    }

    .row {
      display: flex;
      justify-content: space-between;
    }

    .short-url-cell a {
      font-weight: bold;

      &:visited,
      &:link {
        color: var(--color-800);
      }

      &:hover {
        text-decoration: none;
      }
    }

    .metadata {
      font-size: 0.8em;
      color: var(--color-800);
    }

    .right-cell {
      display: flex;
      gap: var(--size-4);
    }

    .url-cell {
      font-size: 0.8em;
      font-family: "berkeley-mono", monospace;
    }

    .dropdown-button {
      padding: var(--size-1) var(--size-2);
      font-size: 0.8em;
      background-color: var(--color-600);
      font-weight: bold;
      transform: translateY(-2px);
      color: #fafafa;
      display: inline-block;
      border: none;
      border-radius: var(--size-2);

      &:hover {
        background-color: var(--color-700);
        cursor: pointer;
      }
    }
  }

  .prose {
    p {
      margin: 1em 0;
      max-width: 64ch;
    }

    .lead {
      font-size: 1.33em;
      color: var(--color-800);
      margin: 0.25em 0;
    }

    a:link,
    a:visited {
      color: var(--color-700);
      font-weight: bold;
    }

    a:hover {
      text-decoration: none;
    }

    pre {
      background-color: var(--color-950);
      color: #fafafa;
      border-radius: var(--size-3);
      padding: var(--size-4) var(--size-6);
      overflow-x: auto;
      font-family: "berkeley-mono", monospace;
      font-size: 0.9rem;
      code {
        font-family: inherit;
      }
    }

    code:not(pre code) {
      background-color: var(--color-100);
      color: #222;
      border-radius: var(--size-1);
      padding: var(--size-1) var(--size-2);
      font-family: "berkeley-mono", monospace;
      font-size: 0.9rem;
    }
  }

  .dropdown-menu:popover-open {
    position-area: block-end span-inline-start;
    padding: var(--size-2);
    background-color: white;
    border: 1px solid #aaa;
    border-radius: var(--size-2);
    min-width: 120px;
    display: flex;
    flex-direction: column;
    gap: var(--size-1);
  }

  .dropdown-menu button {
    width: 100%;
    text-align: left;
    padding: var(--size-2) var(--size-3);
    background: none;
    border: none;
    cursor: pointer;
    border-radius: var(--size-1);
  }

  .dropdown-menu button:hover {
    background-color: var(--color-100);
  }

  .inline-form {
    padding: var(--size-3) var(--size-4);
    margin: calc(-1 * var(--size-2)) calc(-1 * var(--size-3));
    background-color: var(--color-50);
    border-radius: var(--size-2);

    .form-row input[type="text"],
    .form-row input[type="password"] {
      padding: var(--size-2) var(--size-3);
      font-size: 0.9rem;
    }

    h3 {
      margin-bottom: var(--size-3);
      color: var(--color-800);
      font-size: 1rem;
    }

  .form-row button, .form-row .cancel-link  {
    padding: var(--size-2) var(--size-4);
  }
}