@font-face {
  font-family: "SpaceMono Nerd Font";
  font-display: swap;
  src:
    local("SpaceMono Nerd Font"),
    url(../fonts/SpaceMonoNF.woff2) format("woff2"),
    url(../fonts/SpaceMonoNF.woff) format("woff");
}

input:focus {
  outline: none;
}

#setting-btn {
  position: fixed;
  top: 0;
  right: 0;
  margin: 0.5em 0.5em 0 0;
  padding: 0;
  background-color: transparent;
  color: var(--text-color);
  border: none;
  cursor: pointer;
  font-size: 1.5em;
  z-index: 1000;
}
#setting-btn:hover { 
  color: var(--hover-color);
}

#setting-panel {
  display: flex;
  flex-direction: column;
  position: fixed;
  width: 85%;
  height: 80%;
  backdrop-filter: blur(3px);     
  padding: 0 4em 2em ;
  border: 2px solid var(--accent-color-2);
  box-shadow: 0px 0px 10px var(--accent-color-2);
  opacity: 0;
  font-family: SpaceMono Nerd Font, monospace;
  pointer-events: none; 
  z-index: 999;
}

#setting-panel.open {
  opacity: 1;
  pointer-events: auto;
}
#setting-panel h2 {
  align-items: center;
  color: var(--text-color);
}

.settings-header {
  display: flex;
  align-items: center;  
  justify-content: space-between; 
}

#tabs {
  display: flex;
  gap: 2em;
}

#tabs .tab {
  background: none;
  border: none;
  color: var(--text-color);
  font-size: 1em;
  cursor: pointer;
  padding: 0;
}

#tabs .tab.active {
  color: var(--hover-color);
  cursor: default;
}

#tabs .tab:hover {
  color: var(--hover-color);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: flex;
  height: 100%;
  flex-direction: column;
  gap: 1em;
  padding: 2em;
  background-color: var(--background-color);
  border: 2px solid var(--accent-color-2);
  box-shadow: 0px 0px 10px var(--accent-color-2);
  overflow: hidden;
}

/* Links Tab */
#tab-links {
  padding: 0;
}

#display {
  width: 100%;
  height: 100%;          
  resize: none;           
  padding: 2em;
  box-sizing: border-box;
  font-size: 1em;
  line-height: 1.5;
  background: var(--background-color);    
  color: var(--text-color);
  border: none;
  font-family: SpaceMono Nerd Font, monospace;
  white-space: pre;     
  overflow: auto;  
}

#display::-webkit-scrollbar {
  width: 1em;          
  height: 1em;           
}

#display::-webkit-scrollbar-thumb {
  background-color: var(--accent-color-2);  
}

#display:focus {
  outline: none;
  border-color: #6c9ef8;
  box-shadow: 0 0 8px rgba(108, 158, 248, 0.6);
}

/* Theme Tab */
#tab-themes {
  flex-direction: row;
}

#theme-selector {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1em;
}

#theme-controler {
  display: flex;
  gap: 1em;
  align-items: center;
  color: var(--accent-color);
  font-size: 1.3em;
}

#theme-controler input {
  flex: 1;
  font-size: 1em;
  padding: 0;
  line-height: 1;
  text-align: center;
  background: var(--background-color);
  color: var(--accent-color);
  border: none;
  font-family: SpaceMono Nerd Font, monospace;
}

#theme-controler button {
  font-size: inherit;
  color: inherit;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0;
}

#theme-controler button:hover {
  color: var(--hover-color);
} 

#theme-image {
  width: 100%;
  font-size: 1em;;
  padding: 0.3em;
  box-sizing: border-box;
  border: 2px solid var(--accent-color-2);
  background: var(--background-color);
  color: var(--text-color);
  font-family: SpaceMono Nerd Font, monospace;
}

#theme-image:not(:focus) {
  color: var(--text-color); 
  opacity: 0.7;
}

#color-editor {
  display: flex;
  gap: 1em;
  margin-top: 1em;
}

#theme-colors {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.color-btn {
  border: none;
  padding: 0;
  background: transparent;
  cursor: pointer;
  font-size: 1em;
  text-align: left;
  color: var(--text-color);
  white-space: nowrap;
}

.color-btn:hover {
  color: var(--hover-color);
  width: 100% ;
}

#color-review {
  width: 100%;
  padding: 0.5em;
  border: 2px solid var(--accent-color-2);
  display: flex;
  flex-direction: column;
}

#color-review label {
  display: flex;
  flex-direction: column; 
  width: 100%;
}

#color-review label:first-child {
  flex-direction: row;      
  align-items: center;     
  gap: 0.5em;              
}

input[type="range"] {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-color: transparent;

  &:focus {
    outline-color: var(--accent-color-2);
  }
}

input[type="range"]::-webkit-slider-runnable-track {
  -webkit-appearance: none;
  appearance: none;
  height: 3px;
  background: var(--accent-color); /* fallback */
  background: -webkit-linear-gradient(
    left,
    var(--text-color) 0%,
    var(--accent-color) 50%,
    var(--accent-color-2) 100%
  );
  background: linear-gradient(
    to right,
    var(--text-color) 0%,
    var(--accent-color) 50%,
    var(--accent-color-2) 100%
  );
}

input[type="range"]::-moz-range-track {
  -moz-appearance: none;
  appearance: none;
  height: 3px;
  background: var(--accent-color); /* fallback */
  background: -webkit-linear-gradient(
    left,
    var(--text-color) 0%,
    var(--accent-color) 50%,
    var(--accent-color-2) 100%
  );
  background: linear-gradient(
    to right,
    var(--text-color) 0%,
    var(--accent-color) 50%,
    var(--accent-color-2) 100%
  );
}

input[type="range"]::-ms-track {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  height: 3px;
  background: var(--accent-color); /* fallback */
  background: -webkit-linear-gradient(
    left,
    var(--text-color) 0%,
    var(--accent-color) 50%,
    var(--accent-color-2) 100%
  );
  background: linear-gradient(
    to right,
    var(--text-color) 0%,
    var(--accent-color) 50%,
    var(--accent-color-2) 100%
  );
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  border: 2px solid var(--accent-color-2);
  border-radius: 50%;
  height: 1em;
  width: 1em;
  bottom: 0.4em;
  position: relative;
  background:var(--background-color);
  cursor: grab;
  
  &:active {
    cursor: grabbing;
  }
}

input[type="range"]::-moz-range-thumb {
  -moz-appearance: none;
  appearance: none;
  border: 2px solid var(--accent-color-2);
  border-radius: 50%;
  height: 1em;
  width: 1em;
  bottom: 0.4em;
  position: relative;
  background:var(--background-color);
  cursor: grab;
  
  &:active {
    cursor: grabbing;
  }
}

input[type="range"]::-ms-thumb {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  border: 2px solid var(--accent-color-2);
  border-radius: 50%;
  height: 1em;
  width: 1em;
  bottom: 0.4em;
  position: relative;
  background:var(--background-color);
  cursor: grab;
  
  &:active {
    cursor: grabbing;
  }
}

#hex-color { 
  width: 100%;
  border: none;
  border-bottom: 2px solid var(--accent-color-2);       
  background-color: transparent; 
  font-size: 1em;
}

#theme-review {
  flex: 4;
  border: 2px solid var(--accent-color-2);
  overflow: auto; 
  scrollbar-width: none; 
}

/* Search Engine Tab */
#engine-selector {
  display: flex;
  align-items: center;
  gap: 1em;
}

#engine-controler {
  flex:1;
  display: inline-flex;
  gap: 1em;
  justify-content: center;
  color: var(--accent-color);
  font-size: 1.3em;
}

#engine-controler span {
  width: 12ch;
  display: inline-block;
  text-align: center;
}

#engine-controler span:hover {
  color: var(--hover-color);
  cursor: pointer;
}

#engine-controler button {
  font-size: inherit;
  color: inherit;
  cursor: pointer;
  background: transparent;
  border: none;
  padding: 0;
}

#engine-controler button:hover {
  color: var(--hover-color);
} 

#engine-editor {
  width: 100%;
  display: inline-flex;
  gap: 1em;
  justify-content: center;
}

#engine-editor input {
  flex: 1;             
  font-size: 1.2em;
  padding: 0.3em;
  line-height: 1;
  background: var(--background-color);
  color: var(--text-color);
  border: none;
  border-bottom: 2px solid var(--accent-color-2);
  font-family: SpaceMono Nerd Font, monospace;
}

#engine-editor #engineLink {
  flex:3;
}

#engine-editor input:not(:focus) {
  color: var(--text-color); 
  opacity: 0.7;
}

#engine-editor input::placeholder {
  color: var(--text-color); 
  opacity: 0.9;
}

#engine-editor button {
  padding: 0;
  border: none;
  background: transparent;
  font-size: 1.6em;
  color: var(--accent-color);
  cursor: pointer;
}

#engine-editor button:hover {
  color: var(--hover-color);
}

#shortcuts {
  flex:1;
  color: var(--accent-color);
  font-size: 1.4em;
  display: flex;
  flex-direction: column;
  gap: 0.5em;
  overflow-y: auto; 
  scrollbar-width: none; 
}

.shortcut {
  display: flex;
  align-items: stretch;
  gap: 0.5em;
}

.shortcut input {
  font-size: 0.8em;;
  padding: 0.3em;
  border: none;
  border-bottom: 2px solid var(--accent-color-2);
  background: var(--background-color);
  color: var(--text-color);
  font-family: SpaceMono Nerd Font, monospace;
}

.shortcut .shortcut-name {
  width: 5ch;
}

.shortcut .shortcut-link {
  width: 100%;
}

.shortcut button {
  padding: 0;
  border: none;
  background: transparent;
  font-size: 1em;
  color: var(--accent-color);
  cursor: pointer;
}

.shortcut button:hover {
  color: var(--hover-color);
}

/* Action Buttons */
#setting-actions {
  display: flex;
  justify-content: space-between;
  margin-top: 1em;
  flex-shrink: 0;
}
#setting-actions button {
  padding: 10px 14px;
  background: var(--text-color);
  color: var(--background-color);
  border: none;
  cursor: pointer;
  font-size: 1em;
}