journal/Journal.App/src/lib/components/Navbar.svelte

<!-- @format -->
<script lang="ts">
  export let activeSection: string | null = "entries";
  export let onSelect: (id: string) => void = () => {};

  type NavItem = {
    id: string;
    label: string;
    icon: string;
  };

  const workspaceItems: NavItem[] = [
    { id: "entries", label: "Entries", icon: "menu_book" },
    { id: "calendar", label: "Calendar", icon: "calendar_month" },
    { id: "fragments", label: "Fragments", icon: "auto_stories" },
    { id: "todos", label: "To-Do List", icon: "checklist" },
    { id: "lists", label: "Lists", icon: "lists" },
  ];

  function selectItem(id: string) {
    onSelect(id);
  }
</script>

<aside class="navbar" aria-label="Primary navigation">
  <div class="navbar-header">
    <img src="svelte.svg" alt="Journal logo" />
  </div>

  <nav class="nav-groups" aria-label="Journal sections">
    <div class="nav-group">
      {#each workspaceItems as item}
        <button
          type="button"
          class="nav-button"
          class:is-active={activeSection === item.id}
          on:click={() => selectItem(item.id)}
          aria-label={item.label}
        >
          <span class="material-symbols-outlined">{item.icon}</span>
          <span class="nav-tooltip" role="tooltip">{item.label}</span>
        </button>
      {/each}
    </div>
  </nav>

  <button
    type="button"
    class="settings-chip"
    class:is-active={activeSection === "settings"}
    aria-label="Settings"
    on:click={() => selectItem("settings")}
  >
    <span class="material-symbols-outlined">settings</span>
    <span class="nav-tooltip" role="tooltip">Settings</span>
  </button>
</aside>

<style>
  .navbar {
    position: relative;
    z-index: 20;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    padding: 14px 10px;
    background: linear-gradient(
      180deg,
      var(--surface-2) 0%,
      var(--bg-navbar) 100%
    );
    border-right: 1px solid var(--border-soft);
  }

  .navbar-header img {
    width: 34px;
    height: 34px;
    object-fit: cover;
    border-radius: 9px;
    border: 1px solid var(--border-strong);
    display: block;
  }

  .nav-groups {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }

  .nav-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: center;
  }

  .nav-button,
  .settings-chip {
    position: relative;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border-radius: 10px;
    color: var(--text-dim);
    border: 1px solid transparent;
    cursor: pointer;
    transition:
      background-color 0.14s ease,
      color 0.14s ease,
      border-color 0.14s ease;
  }

  .nav-button .material-symbols-outlined {
    font-size: 1.18rem;
  }

  .settings-chip .material-symbols-outlined {
    font-size: 1.18rem;
  }

  .nav-tooltip {
    position: absolute;
    left: calc(100% + 12px);
    top: 50%;
    transform: translateY(-50%) translateX(-4px);
    opacity: 0;
    pointer-events: none;
    white-space: nowrap;
    padding: 4px 9px;
    border-radius: 6px;
    font-size: 0.76rem;
    font-weight: 500;
    color: var(--text-primary);
    background: var(--surface-1);
    border: 1px solid var(--border-strong);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
    transition:
      opacity 0.12s ease,
      transform 0.12s ease;
  }

  .nav-button:hover,
  .nav-button:focus-visible,
  .settings-chip:hover,
  .settings-chip:focus-visible {
    color: var(--text-primary);
    background: var(--bg-hover);
    border-color: var(--border-soft);
  }

  .nav-button:hover .nav-tooltip,
  .nav-button:focus-visible .nav-tooltip,
  .settings-chip:hover .nav-tooltip,
  .settings-chip:focus-visible .nav-tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
  }

  .nav-button.is-active {
    color: var(--text-primary);
    background: var(--bg-active);
    border-color: var(--border-strong);
  }

  .nav-button.is-active .material-symbols-outlined {
    color: var(--accent);
  }

  .settings-chip {
    margin-top: auto;
  }

  .settings-chip.is-active {
    color: var(--text-primary);
    background: var(--bg-active);
    border-color: var(--border-strong);
  }

  .settings-chip.is-active .material-symbols-outlined {
    color: var(--accent);
  }

  @media (max-width: 980px) {
    .nav-button,
    .settings-chip {
      width: 40px;
      height: 40px;
    }
  }
</style>