@import '_reset.css';

:root {
  --primary-color: #3498db;
  --secondary-color: #2c3e50;
  --background-color: #f4f4f4;
  --card-background: #fff;
  --text-color: #555;
  --highlight-color: #2980b9;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --transition-speed: 0.3s;

  --font-size-base: 1rem;
  --font-size-medium: 1.2rem;
  --font-size-large: clamp(1.3rem, 2vw, 1.6rem);

  --spacing-small: 0.5rem;
  --spacing-medium: 1rem;
  --spacing-large: 1.25rem;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  margin: 0;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
}

a {
  color: var(--primary-color);
  text-decoration: none;
  transition: color var(--transition-speed);

  &:hover {
    color: var(--highlight-color);
  }
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  background-color: var(--secondary-color);
  color: #fff;
  padding: var(--spacing-large);
  text-align: center;
  position: sticky;
  top: 0;
  z-index: 1000;

  h1 {
    margin: 0;
    font-size: clamp(1.4rem, 3vw, 2rem);
  }

  .search-container {
    position: relative;
    width: 80%;
    max-width: 25rem;
    margin-top: var(--spacing-medium);

    input {
      padding: 0.625rem 1.875rem 0.625rem 0.9375rem;
      width: 100%;
      max-width: 25rem;
      border: none;
      border-radius: 0.3125rem;
      font-size: var(--font-size-base);
    }

    button#clearSearch {
      position: absolute;
      right: 0.9375rem;
      top: 50%;
      transform: translateY(-50%);
      background: transparent;
      border: none;
      font-size: 1.2rem;
      color: #888;
      cursor: pointer;
      display: none;
      padding: 0;
      line-height: 1;

      &:hover {
        color: #555;
      }
    }

    input:not(:placeholder-shown) + #clearSearch {
      display: block;
    }
  }

  .shortcut-hint {
    display: grid;
    grid-template-rows: 0fr;
    margin-top: 0.625rem;
    font-size: 0.9rem;
    color: #ddd;
    transition: opacity var(--transition-speed) ease-in-out,
    transform var(--transition-speed) ease-in-out,
    grid-template-rows var(--transition-speed) ease-in-out;

    & > * {
      overflow: hidden;
    }

    &:not(.hidden) {
      grid-template-rows: 1fr;
    }

    &.hidden {
      opacity: 0;
    }

    @media (max-width: 1024px) {
      display: none;
    }
  }

  @media (max-width: 1024px) and (orientation: landscape) {
    flex-direction: row;
    justify-content: space-between;
    padding: var(--spacing-medium);

    h1 {
      font-size: var(--font-size-medium);
      margin: 0;
    }

    .search-container {
      width: 60%;
      max-width: 15rem;
      margin-top: 0;

      button#clearSearch {
        font-size: 1rem;
      }
    }
  }
}

main {
  padding: var(--spacing-large);

  .card {
    background-color: var(--card-background);
    border-radius: 0.5rem;
    padding: var(--spacing-medium);
    box-shadow: 0 0.125rem 0.3125rem var(--shadow-color);
  }

  .info {
    width: 100%;
    max-width: 40rem;
    margin: 0 auto var(--spacing-large);

    p {
      margin: 0;
      line-height: 1.5;

      & + p {
        margin-top: var(--spacing-small);
      }

      .info-icon {
        margin-right: 0.25em;
      }
    }
  }

  .grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(18.75rem, 1fr));
    gap: var(--spacing-medium);

    .card {
      min-height: 12rem;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: transform var(--transition-speed), box-shadow var(--transition-speed), outline var(--transition-speed);
      cursor: pointer;

      &.active {
        border: 0.125rem solid var(--primary-color);
      }

      &:hover, &:focus {
        transform: translateY(-0.3125rem);
        box-shadow: 0 0.25rem 0.625rem var(--shadow-color);
      }

      &:focus {
        outline: 0.125rem solid var(--primary-color);
      }

      .card-title {
        margin-top: 0;
        font-size: var(--font-size-large);
        color: var(--primary-color);
      }

      .summary {
        font-size: var(--font-size-base);
        color: var(--text-color);
        margin: var(--spacing-medium) 0;
        flex-grow: 1;
      }

      pre {
        margin-top: 0.25rem;
      }

      .additional-info {
        font-size: 0.9em;
        color: #777;
      }
    }
  }

  .detail-row {
    grid-column: 1 / -1;
    display: grid;
    grid-template-rows: 0fr;
    opacity: 0;
    transition: opacity calc(var(--transition-speed) * 1.5) ease-in-out,
    grid-template-rows calc(var(--transition-speed) * 1.5) ease-in-out;

    &.show {
      grid-template-rows: 1fr;
      opacity: 1;
    }

    .detail-content {
      overflow: hidden;

      .card {
        transition: opacity var(--transition-speed) ease-in-out;
        transform: unset;

        h2 {
          color: var(--highlight-color);
          margin-top: 0;
        }

        p,
        ul,
        pre {
          margin-bottom: 0.9375rem;
        }

        strong {
          color: var(--primary-color);
        }

        ul {
          list-style-type: disc;
          padding-left: 1.25rem;
        }

        pre {
          background-color: #f9f9f9;
          padding: 0.625rem;
          border-radius: 0.3125rem;
          overflow-x: auto;
          white-space: pre-wrap;
          word-wrap: break-word;

          code {
            display: block;
            width: max-content;
            font-family: 'Courier New', Courier, monospace;
            padding: 0.125rem 0.25rem;
            border-radius: 0.1875rem;
            overflow-x: auto;
          }
        }

        &:not(:has(pre > code)) code {
          background-color: #f0f0f0;
        }

        #detailImplementation {
          overflow-x: auto;
          overflow-wrap: unset;
        }

        #detailReturns {
          margin-bottom: unset;
        }
      }
    }
  }

  .no-results {
    grid-column: 1 / -1;
    text-align: center;
    color: #888;
    font-size: 1.2rem;
    display: none;
  }

  @media (max-width: 640px) {
    .grid-container {
      grid-template-columns: 1fr;
    }

    .card {
      min-height: auto;
    }
  }
}

@keyframes flash {
  from {
    opacity: 1;
  }
  to {
    opacity: 0.5;
  }
}