/* Hapus outline/focus */
    .switch:focus, 
    .switch:active,
    .switch *:focus,
    .switch *:active {
      outline: none !important;
      box-shadow: none !important; /* optional, ilangke glow */
    }

    /* Hapus tap highlight di Android/iOS */
    .switch, 
    .switch * {
      -webkit-tap-highlight-color: transparent;
    }
    
  :root {
    /*--- HEADER ---*/
    --header-light: rgba(255, 255, 255, 0.5);
    --header-dark: rgba(0, 0, 0, 0.5);
    
    /*--- FOOTER ---*/
    --footer-light: rgba(255, 255, 255, 0.5);
    --footer-dark: rgba(0, 0, 0, 0.5);
    --text-trigger-light: white;
    --text-trigger-dark: black;
    
    /*--- BACKGROUND UTAMA ---*/
    --background-light: rgba(255, 255, 255, 1);
    --background-dark: rgba(0, 0, 0, 1);
    --header-shadow-light: 0 2px 10px rgba(255, 255, 255, 1);;
    --header-shadow-dark: 0 2px 10px rgba(0, 0, 0, 1);
    --footer-shadow-light: 0 -2px 10px rgba(255, 255, 255, 1);
    --footer-shadow-dark: 0 -2px 10px rgba(0, 0, 0, 1);
    
    /*--- ANIMASI TRANSISI ---*/
    --transition: 400ms ease;
  }

  /* ==== SLIDER ==== */
  .switch {
    position: fixed;
    bottom: 80px; /* jarak dari bawah layar */
    left: 50%;    /* center horizontal */
    transform: translateX(-50%);
    z-index: 1;
    width: 75px;
    height: 38px;
    border-radius: 50px;
    border: var(--border-button-light);
    background: rgb(224, 224, 224, 0.7);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: background var(--transition), border var(--transition);
    padding: 4px;
    box-sizing: border-box;
    outline: none !important;    /* ilangke highlight biru default */
    box-shadow: 0 0 6px white;
  }
  :root[data-theme="dark"] .switch {
    background: rgb(51, 51, 51, 0.7);
    box-shadow: 0 0 6px black;
    border: var(--border-button-dark);
  }

  .knob {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: black;
    box-shadow: 0 2px 6px rgba(0,0,0,0.2);
    transform: translateX(0);
    transition: transform var(--transition), background var(--transition);
    position: relative; /* biar icon absolute keikat disini */
    overflow: hidden;
  }

  /* Knob geser ke kanan saat dark mode */
  :root[data-theme="dark"] .knob {
    transform: translateX(35px);
    background: white;
    color: #f1f1f1;
  }

  /* Animasi goyang kanan-kiri */
  @keyframes swing {
    0%   { transform: translate(-50%, -50%) rotate(0deg); }
    25%  { transform: translate(-50%, -50%) rotate(10deg); }
    50%  { transform: translate(-50%, -50%) rotate(0deg); }
    75%  { transform: translate(-50%, -50%) rotate(-10deg); }
    100% { transform: translate(-50%, -50%) rotate(0deg); }
  }

  /* Icon khusus di dalam knob */
  .icon-goyang {
    position: absolute;
    top: 50%;
    left: 50%;
    font-size: 14px;
    line-height: 1;
    transform: translate(-50%, -50%); /* biar center */
    transition: opacity var(--transition);
    animation: swing 3s ease-in-out infinite;
  }
  
  .icon-goyang img {
    width: 26px;
    height: 26px;
    display: block;
    object-fit: contain;
    filter: none !important; /* biar warnane asli */
  }
  
  /* Default sun keliatan, moon disembunyiin */
  .sun { opacity: 1; }
  .moon { opacity: 0; }
  
  /* Saat dark mode → sun hilang, moon muncul */
  :root[data-theme="dark"] .knob .sun { opacity: 0; }
  :root[data-theme="dark"] .knob .moon { opacity: 1; }

  /* Responsive Typography dan Layout */
  @media (max-width: 768px) {

  }