:root {

  /* =================== 2. DEBUGGING HIGHLIGHTERS ============ */
    // --debug-background-color-red: #ff000054;
    // --debug-background-color-blue: #1d00ff54;
    // --debug-background-color-green: #54ff0054;

    // --debug-box-shadow-red: inset 0 0 2px red;
    // --debug-box-shadow-blue: inset 0 0 2px blue;
    // --debug-box-shadow-green: inset 0 0 2px green;


  /* =================== 3. some constants ============ */
    --fieldset-background: url(/ui/parchment.jpg);
    --rdd-color-text-primary: hsla(0, 0%, 4%, 0.9);
    --rdd-input-background:hsla(0, 0%, 0%, 0.1);
    --rdd-color-border-input: hsla(0, 0%, 0%, 0.2);
    --rdd-bg-input: hsla(0, 0%, 100%, 0.1);
    --color-controls:hsla(0, 0%, 0%, 0.9);
    --color-controls-light:hsla(0, 0%, 20%, 0.8);
    --color-controls-hover:hsla(60, 100%, 75%, 0.7);
    --color-control-border-hover:hsla(30, 100%, 50%, 0.8);
    --color-gold: rgba(191, 149, 63, 0.8);
    --gradient-gold: linear-gradient(30deg, rgba(191, 149, 63, 0.3), rgba(252, 246, 186, 0.3), rgba(179, 135, 40, 0.3), rgba(251, 245, 183, 0.3), rgba(170, 119, 28, 0.3));
    --gradient-silver: linear-gradient(30deg, rgba(61, 55, 93, 0.3), rgba(178, 179, 196, 0.3), rgba(59, 62, 63, 0.6), rgba(206, 204, 199, 0.3), rgba(61, 46, 49, 0.3));
    --gradient-green: linear-gradient(30deg, rgba(7, 76, 0, 0.3), rgba(66, 163, 65, 0.2), rgba(184, 226, 163, 0.1), rgba(66, 163, 65, 0.2), rgba(184, 226, 163, 0.3));
    --gradient-red: linear-gradient(150deg, rgba(255, 0, 0, 0.3), rgba(255, 200, 128, 0.05),rgba(255, 200, 128, 0.1), rgba(255,10,0,0.3));
    --gradient-violet: linear-gradient(150deg, rgba(100, 45, 124, 0.6), rgba(216, 157, 192, 0.3), rgba(177, 157, 216, 0.5), rgba(107, 62, 121, 0.3), rgba(100, 45, 124, 0.6));
    --gradient-purple-black: linear-gradient(150deg,  rgba(0, 0, 0, 0.7), rgba(100, 45, 124, 0.4), rgba(82, 17, 131, 0.3),rgba(100, 45, 124, 0.4), rgba(0, 0, 0, 0.7));
    --gradient-warning: linear-gradient(150deg,
      hsla(32, 100%, 50%, 0.3),
      hsla(52, 60%, 50%, 0.1),
      hsla(32, 60%, 50%, 0.1),
      hsla(32, 100%, 50%, 0.3));
    --gradient-silver-light: linear-gradient(30deg, rgba(61, 55, 93, 0.2), rgba(178, 179, 196, 0.1), rgba(59, 62, 63, 0.2), rgba(206, 204, 199, 0.1), rgba(61, 46, 49, 0.2));
    --gradient-daylight: conic-gradient(
      from 0deg,
      hsla(50, 100%, 80%, 0.7),
      hsla(30, 30%, 40%, 0.1) 25%,
      hsla(250, 50%, 40%, 0.1) 25%,
      hsla(250, 30%, 30%, 0.7) 50%,
      hsla(250, 50%, 40%, 0.1) 75%,
      hsla(30, 30%, 40%, 0.1) 75%,
      hsla(50, 100%, 80%, 0.7)
    );

    --background-custom-button: linear-gradient(to bottom, hsla(208, 38%, 21%, 0.988) 5%, hsla(202, 42%, 14%, 0.671) 100%);
    --background-custom-button-hover: linear-gradient(to bottom, hsla(0, 100%, 25%, 1) 5%, hsla(0, 97%, 12%, 1) 100%);
    --background-control-selected: linear-gradient(to bottom, hsla(0, 100%, 25%, 0.5) 5%, hsla(0, 100%, 12%, 0.5) 100%);
    --background-tooltip: hsla(60, 12%, 85%, 0.95);
    --background-tooltip-alt: hsla(60, 12%, 74%, 0.95);
    --color-tooltip:hsla(282, 47%, 33%, 0.9);
    --color-tooltip-faint:hsla(282, 47%, 66%, 0.5);
    --background-error:hsla(16, 100%, 50%, 0.8);
    --color-profile-border: hsla(0, 0%, 80%, 0.05);

    --color-background-chat-message: hsla(60, 12%, 85%, 0.9);
    --color-background-chat-whisper: repeating-linear-gradient(120deg,
      hsla(60, 12%, 85%, 0.75),
      hsla(60, 12%, 85%, 0.75) 1rem, 
      hsla(60, 12%, 85%, 0.8) 1rem, 
      hsla(60, 12%, 85%, 0.75) 1.5rem);
  }