:root {
    --bg-color: #1a1a1a;
    --card-bg: #2b2b2b;
    --primary-color: #007bff;
    --text-color: #f0f0f0;
    --border-color: #444;
    --status-connected: #28a745;
    --status-disconnected: #dc3545;
  }

  * {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }

  body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
  }

  .hidden {
    display: none !important;
  }

  nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--card-bg);
    border-bottom: 1px solid var(--border-color);
    flex-wrap: wrap;
    gap: 1rem;
  }

  nav h1 {
    font-size: 1.5rem;
    white-space: nowrap;
  }

  .connect-container {
    display: flex;
    gap: 0.5rem;
  }

  #hostInput {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color);
    border-radius: 4px;
    min-width: 150px;
  }

  button {
    padding: 0.5rem 1rem;
    border: none;
    background-color: var(--primary-color);
    color: white;
    cursor: pointer;
    border-radius: 4px;
    font-weight: bold;
    transition: background-color 0.2s;
  }

  button:hover {
    background-color: #0056b3;
  }

  button:disabled {
    background-color: #555;
    cursor: not-allowed;
  }

  .status-indicator {
    padding: 0.5rem 1rem;
    border-radius: 4px;
    font-weight: bold;
    color: white;
  }

  .status-indicator.connected {
    background-color: var(--status-connected);
  }

  .status-indicator.disconnected {
    background-color: var(--status-disconnected);
  }

  main {
    padding: 2rem;
  }

  #initial-message {
    text-align: center;
    margin-top: 10vh;
    color: #888;
  }
  #initial-message .icon {
    font-size: 4rem;
    line-height: 1;
  }

  #app-grid {
    display: grid;
    grid-template-areas:
      "found"
      "list"
      "controller";
    gap: 2rem;
  }

  @media (min-width: 900px) {
    #app-grid {
      grid-template-columns: 1fr 1fr;
      grid-template-areas:
        "found list"
        "controller controller";
    }
  }

  .device-section {
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1rem;
    border: 1px solid var(--border-color);
    grid-area: var(--grid-area);
  }
  .device-section:nth-child(1) { --grid-area: found; }
  .device-section:nth-child(2) { --grid-area: list; }

  .section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
  }

  .device-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    min-height: 100px;
  }

  .device-card {
    background-color: #3a3a3a;
    padding: 1rem;
    border-radius: 6px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    flex-grow: 1;
    min-width: 180px;
  }

  .device-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
  }

  .device-card .name {
    font-weight: bold;
    font-size: 1.1rem;
  }

  .device-card .details {
    font-size: 0.8rem;
    color: #ccc;
    margin-top: 0.5rem;
  }

  #media-controller {
    grid-area: controller;
    background: var(--card-bg);
    border-radius: 8px;
    padding: 1.5rem;
    border: 1px solid var(--border-color);
  }

  #media-controller h2 {
    margin-bottom: 1rem;
  }

  .control-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1rem;
  }

  .control-group input {
    flex-grow: 1;
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    background-color: var(--bg-color);
    color: var(--text-color);
    border-radius: 4px;
    min-width: 200px;
  }

  .control-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .control-buttons button {
    flex-grow: 1;
  }

  main.disconnected {
    opacity: 0.5;
    pointer-events: none;
  }