*, *::before, *::after {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
input, button, select {
  font: inherit;
}

:root {
  /* https://coolors.co/2ca58d-f46197-fcfcfc-000876-00061f */
  --color-primary: #fcfcfc;
  --color-primary-dark-1: #ebebeb;
  --color-primary-dark-2: #d5d5d5;
  --color-accent-light-1: #e8f3fd;
  --color-accent-light-2: #c0d7f7;
  --color-accent: #000876;
  --color-accent-dark-1: #00054c;
  --color-accent-alpha-1: #0005acaa;
  --color-black: #00061f;
  --color-green: #2ca58d;
  --color-red: #f46197;
  --color-blue: #266dd3;

  --header-height: 4rem;
  --main-min-height: calc(100vh - var(--header-height));

  --gap-xs: 0.2rem;
  --gap-sm: 0.4rem;
  --gap-md: 0.8rem;

  --font-sm: 0.8rem;

  --outline: 2px solid var(--color-accent-alpha-1);
}

body {
  font-size: 16px;
  color: var(--color-black);
  background-color: var(--color-primary);
  font-family: sans-serif;
}

h1, h2, h3 {
  margin-top: var(--gap-xs);
  margin-bottom: var(--gap-md);
  border-bottom: 1px solid var(--color-primary-dark-2);
}

h2:has(+ menu) {
  margin-bottom: 0;

  & + menu {
    display: flex;
    margin-bottom: var(--gap-md);
    list-style: none;
  }
}

form {
  display: flex;
  gap: var(--gap-md);

  &.simple {
    gap: 0;

    input {
      @media (max-width: 640px) {
        flex-grow: 1;
      }
    }
  }
}

input {
  border: 2px solid var(--color-accent);
  border-radius: 0;
  color: var(--color-black);
  background-color: var(--color-primary);
  padding: var(--gap-sm);

  &:focus, &:focus-within {
    outline: var(--outline);
  }

  &[type="checkbox"] {
    border: 0;
    border-radius: 0;
    color: var(--color-black);
    accent-color: var(--color-green);
    padding: var(--gap-sm);
    cursor: pointer;

    &:focus, &:focus-within {
      outline: 0;
    }
  }
}

button {
  border: 0;
  border-radius: 0;
  color: var(--color-primary);
  background-color: var(--color-accent);
  padding: var(--gap-sm);
  font-weight: bold;
  cursor: pointer;

  &:hover {
    background-color: var(--color-accent-dark-1);
  }
  &:focus, &:focus-within {
    outline: var(--outline);
  }

  &[type="submit"] {
    display: inline-flex;
    gap: var(--gap-sm);
    align-items: center;

    svg {
      fill: currentColor;
      height: 1rem;
    }
  }

  &.button--info {
    background-color: var(--color-blue);
  }
  &.button--success {
    background-color: var(--color-green);
  }
  &.button--danger {
    background-color: var(--color-red);
  }
}

select {
  appearance: base-select;
  padding: var(--gap-sm);
  border: 2px solid var(--color-accent);
  background-color: var(--color-accent);
  color: var(--color-primary);
  cursor: pointer;

  &:focus, &:focus-within {
    outline: var(--outline);
  }
}
::picker(select) {
  appearance: base-select;
  border: 0;
}

label {
  &:has(input[type="checkbox"]) {
    display: flex;
    justify-content: center;
    align-items: center;

    background-color: var(--color-accent-light-2);
    color: var(--color-black);
    border-radius: 4px;
    overflow: hidden;
    padding: var(--gap-xs) var(--gap-sm);
    gap: var(--gap-sm);
    cursor: pointer;

    &:focus, &:focus-within {
      outline: var(--outline);
    }
  }

  &:has(input[type="checkbox"]:checked) {
    color: var(--color-primary);
    background-color: var(--color-green);
  }
}

fieldset {
  display: flex;
  flex-wrap: wrap;
  gap: var(--gap-sm);
  border: 0;
  align-items: center;
}

table {
  border-collapse: collapse;

  thead tr {
    background-color: var(--color-accent);
    color: var(--color-primary);
  }

  tbody tr:nth-child(2n+1) {
    background-color: var(--color-primary-dark-1);
  }

  td, th {
    padding: var(--gap-sm);
    text-align: left;
  }
}

ul {
  list-style-position: inside;

  &.train {
    list-style: none;
    display: flex;
    gap: var(--gap-sm);
    flex-wrap: wrap;

    li {
      display: flex;
      justify-content: center;
      align-items: center;

      background-color: var(--color-accent-light-2);
      color: var(--color-accent);
      border-radius: 4px;
      overflow: hidden;

      a, span:not(.label) {
        color: var(--color-black);
        text-decoration: none;
        padding: var(--gap-xs) var(--gap-md);
      }
    }
  }
  &.log {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--gap-sm);

    li {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: var(--gap-sm);

      a {
        color: initial;
      }
    }
  }

  li ~ li:has(h1, h2, h3) {
    padding-top: var(--gap-sm);
  }
}

span {
  &.label {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;

    background-color: var(--color-accent);
    color: var(--color-primary);
    padding: var(--gap-xs) var(--gap-sm);
    font-size: var(--font-sm);

    &.label--info {
      background-color: var(--color-blue);
    }
    &.label--success {
      background-color: var(--color-green);
    }
    &.label--danger {
      background-color: var(--color-red);
    }
  }

  &.pill {
    background-color: var(--color-accent-light-1);
    padding: 0 var(--gap-xs);
    border-radius: 4px;

    &.pill--em {
      background-color: var(--color-accent-light-2);
    }
  }

  &.marker {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    aspect-ratio: 1 / 1;
    height: 1rem;
    font-size: var(--font-sm);
    font-variant: small-caps;
    font-weight: bold;
    color: var(--color-primary);
    border-radius: 2px;

    &.marker--green {
      background-color: var(--color-green);
    }
    &.marker--blue {
      background-color: var(--color-blue);
    }
    &.marker--red {
      background-color: var(--color-red);
    }
  }
}

.horizontal {
  display: flex;
  flex-direction: row;
  align-items: start;
  gap: var(--gap-md);
}
.vertical {
  display: flex;
  flex-direction: column;
  align-items: start;

  @media (max-width: 640px) {
    align-items: revert;
  }
}
.inline {
  display: inline;
  width: auto !important;

  button {
    padding: 0 var(--gap-xs);
    font-weight: normal;
  }
}

header {
  height: var(--header-height);
  width: 100%;
  background-color: var(--color-accent);
  color: var(--color-primary);

  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--gap-md);
  padding: 0 var(--gap-md);

  & > a {
    display: flex;
    justify-content: start;
    align-items: center;
    gap: var(--gap-md);
    font-weight: bold;
    color: var(--color-primary);
    text-decoration: none;
  }

  img {
    height: 2rem;
    width: 2rem;
  }

  nav ul {
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--gap-md);

    a {
      color: var(--color-primary);

      &::before {
        content: '[';
        margin-right: var(--gap-xs);
      }
      &::after {
        content: ']';
        margin-left: var(--gap-xs);
      }
    }
  }
}

main {
  min-height: var(--main-min-height);
  width: 100%;
  padding: var(--gap-md);

  &#home {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  &#ledger {
    padding: 0;
    display: flex;
    flex-direction: column;

    section {
      padding: var(--gap-md);
    }

    #accounts {
      display: flex;
      flex-direction: column;
      background-color: var(--color-primary-dark-1);
      gap: var(--gap-md);
    }

    #actions {
      display: flex;
      gap: var(--gap-sm);

      @media (max-width: 640px) {
        flex-direction: column;
        gap: calc(var(--gap-md) * 2);
      }

      & > div {
        width: 50%;

        form {
          width: 100%;
        }

        @media (max-width: 640px) {
          width: 100%;
        }
      }

      #expenses {
        form {
          align-items: start;

          input {
            @media (max-width: 640px) {
              width: 100%;
            }
          }
        }
      }
    }

    #journal {
      display: flex;
      flex-direction: column;
    }

    .tally {
      font-size: var(--font-sm);

      display: inline-flex;
      gap: var(--gap-xs);
      align-items: start;
    }
  }

  &#transaction {
    display: flex;
    flex-direction: column;
    gap: var(--gap-md);

    h1 time {
      font-size: 1rem;
    }
  }

  &#console {
    .ledger {
      display: flex;
      flex-direction: column;
      gap: var(--gap-sm);
      margin-bottom: var(--gap-md);

      h3 {
        margin-bottom: var(--gap-xs);

        small {
          font-size: 1rem;
          font-weight: normal;
        }
      }
    }
  }
}