/* moundAI — App shell, title bar, page structure, loading */
  /* ===== APP SHELL ===== */
  #app { width: 100%; height: 100vh; display: flex; flex-direction: column; overflow: hidden; }
  .page { display: none; flex-direction: column; height: 100%; overflow: hidden; }
  .page.active { display: flex; }

  /* ===== TITLE BAR ===== */
  .title-bar {
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    padding: 0 16px;
    height: 52px;
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
    position: relative;
  }
  .title-bar-title {
    font-family: var(--font-display);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent);
    text-transform: uppercase;
    flex: 1;
    text-align: center;
  }
  .title-bar-left, .title-bar-right {
    display: flex; align-items: center; gap: 8px;
    min-width: 60px;
  }
  .title-bar-right { justify-content: flex-end; }
  .icon-btn {
    background: none; border: none; color: var(--text2);
    cursor: pointer; padding: 6px; border-radius: 4px;
    font-size: 18px; transition: color 0.2s, background 0.2s;
    display: flex; align-items: center; justify-content: center;
  }
  .icon-btn:hover { color: var(--accent); background: var(--bg3); }
  .icon-btn.danger:hover { color: var(--danger); }

  /* ===== PAGE CONTENT ===== */
  .page-content {
    flex: 1; overflow-y: auto; padding: 16px;
    background: var(--bg);
  }
  .page-content::-webkit-scrollbar { width: 4px; }
  .page-content::-webkit-scrollbar-track { background: var(--bg2); }
  .page-content::-webkit-scrollbar-thumb { background: var(--border2); border-radius: 2px; }

  /* ===== LOADING PAGE ===== */
  #page-loading {
    background: var(--bg);
    justify-content: center;
    align-items: center;
    gap: 24px;
    height: 100vh !important;
    min-height: 100vh !important;
  }
  #page-login {
    justify-content: center;
    align-items: center;
    height: 100vh !important;
    min-height: 100vh !important;
  }
  .loading-logo {
    width: 96px; height: 96px;
    animation: pulse 2s ease-in-out infinite;
  }
  .loading-title {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 900;
    letter-spacing: 6px;
    color: var(--accent);
    text-transform: uppercase;
  }
  .loading-bar-wrap {
    width: 200px; height: 2px;
    background: var(--bg3);
    border-radius: 1px; overflow: hidden;
  }
  .loading-bar {
    height: 100%; background: var(--accent);
    width: 0%; animation: loadbar 1.8s ease forwards;
    box-shadow: 0 0 8px var(--accent);
  }
  @keyframes loadbar { 0%{width:0} 100%{width:100%} }
  @keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.7;transform:scale(0.97)} }

  /* ===== HAMBURGER MENU ===== */
  .menu-overlay {
    position: fixed; top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0,0,0,0.7); z-index: 100;
    display: none; backdrop-filter: blur(2px);
  }
  .menu-overlay.open { display: block; }
  .side-menu {
    position: fixed; top: 0; left: -280px; bottom: 0;
    width: 260px; background: var(--bg2);
    border-right: 1px solid var(--border);
    z-index: 101; transition: left 0.25s cubic-bezier(0.4,0,0.2,1);
    display: flex; flex-direction: column;
    padding: 0;
  }
  .side-menu.open { left: 0; }
  .side-menu-header {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--border);
    display: flex; align-items: center; gap: 12px;
  }
  .side-menu-title {
    font-family: var(--font-display);
    font-size: 14px; font-weight: 700;
    letter-spacing: 2px; color: var(--accent);
  }
  .side-menu-item {
    padding: 14px 20px;
    font-family: var(--font-ui); font-size: 15px; font-weight: 600;
    letter-spacing: 1px; text-transform: uppercase;
    color: var(--text); cursor: pointer;
    border-bottom: 1px solid var(--border);
    transition: background 0.15s, color 0.15s;
    display: flex; align-items: center; gap: 12px;
  }
  .side-menu-item:hover { background: var(--bg3); color: var(--accent); }
  .side-menu-item span.menu-icon { font-size: 16px; width: 20px; text-align: center; }

  /* ===== LOGO SVG ===== */
  .pt-logo { display: inline-flex; }

  /* ===== MINI STRIKE ZONE for details ===== */
  .mini-sz {
    display: inline-grid; grid-template-columns: repeat(5, 10px);
    gap: 1px; background: var(--bg4);
    border: 1px solid var(--border); padding: 2px; border-radius: 2px;
  }
  .mini-sz-simp {
    display: inline-grid; grid-template-columns: repeat(3, 10px);
    gap: 1px; background: var(--bg4);
    border: 1px solid var(--border); padding: 2px; border-radius: 2px;
  }
  .mini-sz-cell {
    width: 10px; height: 10px; border-radius: 1px;
    background: var(--ball); border: 1px solid var(--ball-border);
  }
  .mini-sz-cell.is-strike { background: var(--strike); border-color: var(--strike-border); }
  .mini-sz-cell.planned { background: var(--planned); border-color: var(--planned-border); }
  .mini-sz-cell.actual-hit { background: var(--hit); border-color: var(--hit-border); }
  .mini-sz-cell.actual-miss { background: var(--miss); border-color: var(--miss-border); }