body {
  display: grid;
  grid-template-columns: 1fr 1366px 1fr;

  @media (width < 1366px) {
    grid-template-columns: 0 100% 0;
  }

  background-color: var(--color-bg-dark);
  color: var(--color-text);

  background: repeating-linear-gradient(45deg, var(--color-bg), var(--color-bg) 1rem, var(--color-bg-dark) 1rem, var(--color-bg-dark) 4rem);

  height: 100svh;
  width: 100svw;
}

#app {
  position: relative;
  grid-column: 2 / 3;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  max-height: 100%;
  box-shadow: 0 0 1rem oklch(from var(--color-bg-dark) calc(l - 0.2) c h);
  background-color: oklch(from var(--color-bg) calc(l - 0.1) c h / 0.8);
  backdrop-filter: blur(4px);

  >header {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    padding: 0.7rem 0.9rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow:
      0 0.35rem 1.1rem oklch(from var(--color-bg-dark) calc(l - 0.1) c h / 0.6),
      inset 0 -0.0625rem 0 color-mix(in oklch, var(--color-border) 75%, transparent);
    background:
      linear-gradient(180deg,
        oklch(from var(--color-bg) calc(l - 0.04) c h / 0.82),
        oklch(from var(--color-bg) calc(l - 0.12) c h / 0.72));
    backdrop-filter: blur(10px) saturate(1.05);
    border-bottom: 0.0625rem solid color-mix(in oklch, var(--color-border) 65%, transparent);
    z-index: 1000;

    .brand {
      display: flex;
      align-items: center;
      gap: 0.6rem;
      min-width: 0;
    }

    .app-icon {
      width: 2rem;
      height: 2rem;
      flex: 0 0 auto;
      filter: drop-shadow(0 0.08rem 0.2rem color-mix(in oklch, black 35%, transparent));
    }

    h1 {
      display: flex;
      align-items: flex-end;
      gap: 0.5rem;
      margin: 0;
      font-size: clamp(1.05rem, 2.2vw, 1.35rem);
      font-weight: 800;
      letter-spacing: 0.03em;
      color: color-mix(in oklch, var(--color-text) 96%, white 4%);
      text-shadow: 0 0.08rem 0.45rem color-mix(in oklch, black 28%, transparent);
    }

    small {
      font-size: 0.75rem;
      color: color-mix(in srgb, var(--color-accent) 30%, var(--color-text) 70%);
    }

    &::after {
      content: "";
      position: absolute;
      left: 0;
      right: 0;
      bottom: 0;
      height: 0.125rem;
      background: linear-gradient(90deg,
          transparent,
          color-mix(in oklch, var(--color-accent) 60%, transparent),
          transparent);
      opacity: 0.8;
      pointer-events: none;
    }
  }

  >main {
    flex: 1;
    overflow: hidden auto;
    padding: 4rem 0.5rem;
  }

  >nav {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background:
      linear-gradient(180deg,
        oklch(from var(--color-bg) calc(l - 0.14) c h / 0.74),
        oklch(from var(--color-bg) calc(l - 0.2) c h / 0.82));
    backdrop-filter: blur(10px) saturate(1.05);
    border-top: 0.0625rem solid color-mix(in oklch, var(--color-border) 70%, transparent);
    box-shadow:
      0 -0.25rem 0.85rem oklch(from var(--color-bg) calc(l - 0.2) c h / 0.55),
      inset 0 0.0625rem 0 color-mix(in oklch, white 10%, transparent);
    z-index: 1000;

    ul {
      list-style: none;
      display: flex;
      flex-direction: row;
      gap: 0.45rem;
      overflow: auto;
      padding: 0.45rem;
      width: 100%;
      scrollbar-width: none;

      &::-webkit-scrollbar {
        display: none;
      }

      li {
        flex: 1 0 0;
        border: 0.0625rem solid color-mix(in oklch, var(--color-border) 80%, transparent);
        background:
          linear-gradient(180deg,
            color-mix(in oklch, var(--color-bg) 45%, transparent),
            color-mix(in oklch, var(--color-bg-dark) 80%, transparent));
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 0.55rem;
        min-height: 2.6rem;
        box-shadow:
          0 0.12rem 0.3rem color-mix(in oklch, black 18%, transparent),
          inset 0 0 0 0.0625rem color-mix(in oklch, white 10%, transparent);

        a {
          display: flex;
          flex-direction: column;
          align-items: center;
          justify-content: center;
          gap: 0.35rem;
          width: 100%;
          min-height: 100%;
          padding: 0.4rem 0.3rem;
          text-align: center;
          text-transform: uppercase;
          font-size: 0.74rem;
          letter-spacing: 0.03em;
          font-weight: 700;
          text-decoration: none;
          color: color-mix(in oklch, var(--color-text) 92%, white 8%);
          transition: transform 120ms ease, color 120ms ease;

          &::before {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 1.1rem;
            font-size: 0.95rem;
            line-height: 1;
          }

          &[href="#/team"]::before {
            content: "\26BD";
          }

          &[href="#/lineup"]::before {
            content: "\1F4CB";
          }

          &[href="#/training"]::before {
            content: "\1F3CB";
          }

          &[href="#/league"]::before {
            content: "\1F3C6";
          }

          &[href="#/settings"]::before {
            content: "\2699";
          }

          &:hover {
            color: color-mix(in oklch, var(--color-text) 100%, white 0%);
            transform: translateY(-0.04rem);
          }
        }

        &:has(a:active) {
          transform: translateY(0.02rem);
        }
      }
    }
  }
}

#app-buttons {
  position: fixed;
  top: 0.4rem;
  right: 0.4rem;
  display: flex;
  align-items: flex-end;
  gap: 0.4rem;
}