/*===================================*\
 * #CSS VARIABLES & THEMES
\*===================================*/

:root {
  /* Board Colors */
  --theme-light: #e0e0e0;
  --theme-dark: #6ea176;

  /* Layout */
  --board-scale: 80;

  /* Effects */
  --shadow-1: 0 2px 5px rgba(0, 0, 0, 0.15);
  --transition-1: 0.25s ease-in-out;

  /* Base Colors */
  --pure-white: #ffffff;
  --pure-black: #000000;

  /* Classification Colors */
  --brilliant-cyan: #14e6e6;
  --great-blue: #38a5ff;
  --excellent-green: #7bcc18;
  --good-green: #66a576;
  --forced-green: #66a576;
  --inaccuracy-yellow: #ddd015;
  --mistake-orange: #e5820d;
  --blunder-red: #d44242;
  --miss-red: #d44242;
  --theory-yellow: #e09d0d;

  /* Classification Background Gradients */
  --just-moved-bg-start: #efc7146f;
  --just-moved-bg-end: #d8970a82;
  --theory-bg-start: #b19000a9;
  --theory-bg-end: #4d3500;
  --brilliant-bg-start: #1ac9c9bd;
  --brilliant-bg-end: #1ac9c9bd;
  --great-bg-start: #149ff077;
  --great-bg-end: #2881c593;
  --excellent-bg-start: #7ac91abd;
  --excellent-bg-end: #7fd8127a;
  --forced-bg-start: #7ec7a8ab;
  --forced-bg-end: #6da451;
  --good-bg-start: #2db3338a;
  --good-bg-end: #6da451;
  --inaccuracy-bg-start: #cfaa15ce;
  --inaccuracy-bg-end: #e8ba02;
  --mistake-bg-start: #ff8c007c;
  --mistake-bg-end: #e5820d;
  --blunder-bg-start: #c73120ad;
  --blunder-bg-end: #cf3120;

  /* Social Media Colors */
  --youtube-red: #f77e7e;
  --discord-blue: #7891ff;

  /* Time Control Colors */
  --bullet-color: #dd9f4d;
  --blitz-color: #e2c72b;
  --rapid-color: #8ebe41;

  /* Result Colors */
  --win-green: #8ebe41;
  --loss-red: #cc5e43;
  --draw-gray: #818181;

  /* Evaluation Colors */
  --eval-bar-black: #070707;
  --eval-white-text: #070707;
  --eval-black-text: #ffffff;
  --engine-progress: #3579af;

  /* Generic Grays */
  --gray-50: #f9f9f9;
  --gray-100: #f0f0f0;
  --gray-200: #e0e0e0;
  --gray-300: #d0d0d0;
  --gray-400: #bbb;
  --gray-500: #999;
  --gray-600: #777;
  --gray-700: #555;
  --gray-800: #333;
  --gray-900: #222;

  /* Hover Colors */
  --hover-light: rgba(255, 255, 255, 0.15);
  --hover-dark: rgba(0, 0, 0, 0.1);
  --hover-button: #454545;
  --hover-accent: #0081cc;

  /* Alpha Colors */
  --evaluation-pending-bg: rgba(0, 0, 0, 0.05);
  --section-border: rgba(255, 255, 255, 0.1);
  --transparent-bg: rgba(0, 0, 0, 0);
  --light-btn-shadow: rgba(46, 181, 214, 0.2);
  --light-btn-bg-alpha: rgba(46, 181, 214, 0.1);
  --light-btn-border-alpha: rgba(46, 181, 214, 0.5);
}

/* Dark Theme Variables */
.analysis-board-container.dark_theme {
  /* Background Colors */
  --bg-primary: hsl(0, 0%, 7%);
  --bg-secondary: hsl(0, 0%, 12%);
  --bg-accent: #1818188a;

  --sidebar-base: #2d2d2d;
  --sidebar-inner-base: #3a3a3a;
  --turn-bg: #363636;
  --sidebar-inactive: #363636;
  --stats-label: #acacac;
  --stats-divider: #555555;

  /* Text Colors */
  --text-primary: #fff;
  --text-secondary: #aaa;
  --color-primary: hsl(0, 0%, 100%);
  --color-secondary: hsl(0, 0%, 62%);

  /* Button Colors */
  --light-btn: #2c689b;
  --light-btn-hover: #2c689b;
  --btn-secondary: #363636;
  --selected-blue: #4885bb9f;

  /* Scrollbar Colors */
  --scrollbar: #333;
  --scroll-thumb: #555;

  /* Accent Colors */
  --light-cyan: hsl(204, 83%, 60%);
  --lighter-cyan: hsl(194, 95%, 54%);
  --dark-cyan: hsl(202, 96%, 47%);

  /* Base Colors */
  --black: hsl(0, 0%, 0%);
  --white: hsl(0, 0%, 100%);
  --perm-white: white;

  /* Form Elements */
  --card-shadow: hsla(0, 0%, 0%, 0.4);
  --input-bg: hsl(0, 0%, 16%);

  /* Dark Theme Specific Colors */
  --dark-surface-1: #2e2e2e;
  --dark-surface-2: #424242;
  --dark-border: rgba(255, 255, 255, 0.1);
  --dark-border-hover: rgba(255, 255, 255, 0.3);
  --dark-text-muted: #7e7e7e;
  --dark-overlay: rgba(39, 39, 39, 0.849);
  --analysis-bg: rgba(255, 255, 255, 0.1);
  --analysis-progress-bg: #222222;
  --analysis-text: #ddd;
  --game-result-light-bg: #f0f0f0;
  --game-result-light-text: #333;
  --game-result-dark-bg: #333;
  --game-result-dark-text: #f0f0f0;
  --engine-white-bg: #e9e9e9;
  --engine-white-text: #333;
  --engine-black-bg: #444;
  --engine-black-text: #fff;
  --move-pending-text: #bbb;
  --toggle-border: rgba(255, 255, 255, 0.1);
  --toggle-thumb: white;
  --nameplate-bg: #3a3a3a;
}

/*===================================*\
 * #RESET & BASE STYLES
\*===================================*/

/* CSS Reset */
.analysis-board-container *,
.analysis-board-container *::before,
.analysis-board-container *::after {
  margin: 0;
  padding: 0;
}

/* List Elements */
.analysis-board-container li {
  list-style: none;
}

/* Link Elements */
.analysis-board-container a {
  text-decoration: none;
}

/* Block Elements */
.analysis-board-container a,
.analysis-board-container img,
.analysis-board-container time,
.analysis-board-container span,
.analysis-board-container input,
.analysis-board-container label,
.analysis-board-container select,
.analysis-board-container button {
  display: block;
}

/* Form Elements Reset */
.analysis-board-container input,
.analysis-board-container button,
.analysis-board-container select,
.analysis-board-container textarea {
  background: none;
  border: none;
  font: inherit;
}

/* Interactive Elements */
.analysis-board-container button,
.analysis-board-container select {
  cursor: pointer;
}

/*===================================*\
 * #MAIN LAYOUT & CHESS CONTAINER
\*===================================*/

/* Main Chess Container */
.analysis-board-container .chess-container {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;

  /* Prevent text selection */
  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none; /* Safari, Chrome, Opera, Samsung */
  -khtml-user-select: none; /* Konqueror HTML */
  -moz-user-select: none; /* Firefox */
  -ms-user-select: none; /* Edge, IE */
  user-select: none; /* Modern browsers */
}

.analysis-board-container .main-panel {
  display: flex;
  flex-direction: row;
  justify-content: center;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
}

/* Chess Box Layout */
.analysis-board-container .chess-box {
  display: flex;
  flex-direction: row;
  align-items: center;
  background-color: var(--sidebar-base);
  position: relative;
}

/* Chessboard */
.analysis-board-container #chessboard {
  width: calc(var(--board-scale) * 1vmin);
  height: calc(var(--board-scale) * 1vmin);
  max-width: calc(var(--board-scale) * 1vw);
  max-height: calc(var(--board-scale) * 1vh);
  background-color: var(--sidebar-base);
}

/* Player Nameplates */
.analysis-board-container .nameplate {
  height: 50px;
  background-color: var(--nameplate-bg);
  width: 100%;
  max-width: calc(calc(var(--board-scale) * 1vw) + 30px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-left: 20px;
}

.analysis-board-container .nameplate.top {
  border-radius: 10px 10px 0px 0px;
}

.analysis-board-container .nameplate.bottom {
  border-radius: 0px 0px 10px 10px;
}

/* Flipped Board Styles */
.analysis-board-container .chess-container.flipped {
  flex-direction: column-reverse;
}

.analysis-board-container .chess-container.flipped .top {
  border-radius: 0px 0px 10px 10px;
}

.analysis-board-container .chess-container.flipped .bottom {
  border-radius: 10px 10px 0px 0px;
}

/* Player Profile Elements */
.analysis-board-container .profile-picture {
  width: 30px;
  height: 30px;
  padding-left: 10px;
}

.analysis-board-container .profile {
  display: flex;
  align-items: center;
  gap: 10px;
}

.analysis-board-container .name {
  color: var(--text-primary);
}

.analysis-board-container .rating {
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
}

/* Clock Elements */
.analysis-board-container .clock {
  display: flex;
  align-items: center;
  padding-right: 15px;
  min-width: 60px;
  justify-content: center;
}

.analysis-board-container .clock-time {
  font-family: "Jost", sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  background-color: var(--sidebar-inactive);
  padding: 4px 8px;
  border-radius: 4px;
  border: 1px solid var(--dark-border);
  letter-spacing: 0.5px;
  transition: all 0.2s ease;
}

.analysis-board-container .clock-time.active {
  background-color: var(--sidebar-inactive);
  border-color: var(--color-primary);
}

.analysis-board-container .clock-time.low-time {
  color: #ff4444;
  background-color: rgba(255, 68, 68, 0.1);
  border-color: #ff4444;
}

.analysis-board-container .clock-time.low-time.active {
  background-color: #ff4444;
  color: white;
  border-color: #ff4444;
}

/*===================================*\
 * #SIDEBAR COMPONENTS
\*===================================*/

/* Main Sidebar */
.analysis-board-container .sidebar {
  background-color: var(--sidebar-base);
  height: calc(var(--board-scale) * 1vmin + 100px);
  max-height: calc(var(--board-scale) * 1vmin + 100px);
  width: 460px;
  border-radius: 10px;
  margin-left: 10px;
  margin-right: 10px;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Sidebar Header */
.analysis-board-container .sidebar-header {
  padding: 0;
  background-color: var(--sidebar-inactive);
  border-radius: 10px 10px 0 0;
  position: relative;
}

.analysis-board-container .sidebar-title {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 600;
  color: #ffffff;
}

.analysis-board-container .header-top {
  background-color: var(--turn-bg);
  min-height: 50px;
  border-radius: 10px 10px 0px 0px;
  display: flex;
  align-items: center;
  justify-content: space-evenly;
  padding-left: 20px;
  padding-right: 20px;
}

.analysis-board-container .header-top h2 {
  margin: 0px;
  padding: 5px;
  color: var(--text-primary);
  font-size: larger;
}

/* Sidebar Content Areas */
.analysis-board-container .top-content {
  padding: 15px;
  min-height: 40px;
  background-color: var(--sidebar-inner-base);
  border-radius: 8px;
  margin: 15px 15px 0 15px;
  box-shadow: var(--shadow-1);
}

.analysis-board-container .top-content.settings svg {
  width: 20px;
  height: 20px;
  color: var(--text-primary);
}

.analysis-board-container .bottom-content {
  padding: 15px;
  padding-top: 10px;
}

/* Tab System */
.analysis-board-container .tab-buttons {
  display: flex;
  width: 100%;
}

.analysis-board-container .tab-button {
  flex: 1;
  background-color: var(--sidebar-inactive);
  border: none;
  color: var(--dark-text-muted);
  padding: 15px 0;
  text-align: center;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  transition: all 0.2s ease;
  position: relative;
  border-radius: 10px 10px 0px 0px;
}

.analysis-board-container .tab-button.white-text {
  color: var(--pure-white);
}

.analysis-board-container .tab-button.active {
  color: var(--text-primary);
  background-color: var(--sidebar-base);
}

.analysis-board-container .tab-button:focus {
  outline: none;
}

.analysis-board-container .tab-panel {
  display: none;
  height: 100%;
  overflow: hidden;
}

.analysis-board-container .tab-panel.active {
  display: flex;
  flex-direction: column;
  flex: 1;
  height: 100%;
  max-height: 100%;
}

.analysis-board-container .tab-content {
  flex: 1;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
  max-height: 100%;
}

/* Board Style Selector */
.analysis-board-container .board-styles-container {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: space-between;
  padding: 10px;
}

.analysis-board-container .board-background {
  --color-light: #e0e0e0;
  --color-dark: #6ea176;
  width: 120px;
  height: 120px;
  background: repeating-conic-gradient(
      var(--color-light) 0 25%,
      var(--color-dark) 0 50%
    )
    50% / 120px 120px;
  border-radius: 10px;
  box-shadow: var(--shadow-1);
}

.analysis-board-container .board-background.selected {
  box-shadow: 0 0 0 3px var(--light-btn-hover);
}

.analysis-board-container .board-background:hover {
  box-shadow: 0 0 0 3px var(--hover-accent);
}

/*===================================*\
 * #EVALUATION BAR
\*===================================*/

/* Main Evaluation Bar */
.analysis-board-container .eval-bar {
  width: 30px;
  height: calc(var(--board-scale) * 1vw);
  max-height: calc(var(--board-scale) * 1vh);
  background-color: var(--eval-bar-black);
  overflow: hidden;
  transform: rotate(180deg);
  position: relative;
}

.analysis-board-container .eval-bar.flipped {
  transform: rotate(0deg);
}

/* Evaluation Fill */
.analysis-board-container .eval-fill {
  width: 100%;
  height: 50%;
  transition: background-color 0.6s ease;
  background: var(--pure-white);
}

/* Evaluation Text */
.analysis-board-container .eval-text {
  position: absolute;
  font-weight: bold;
  font-size: 12px;
  padding: 4px;
  text-align: center;
  width: 100%;
  box-sizing: border-box;
  z-index: 10;
}

.analysis-board-container .white-winning {
  top: 5px;
  transform: rotate(180deg);
  color: var(--eval-white-text);
}

.analysis-board-container .eval-bar.flipped .white-winning {
  top: 5px;
  rotate: 180deg;
}

.analysis-board-container .black-winning {
  bottom: 5px;
  transform: rotate(180deg);
  color: var(--eval-black-text);
}

.analysis-board-container .eval-bar.flipped .black-winning {
  bottom: 5px;
  rotate: 180deg;
}

/* Evaluation Progress Bar */
.analysis-board-container .evaluation-progress-container {
  width: 100%;
  height: 4px;
  background-color: var(--sidebar-base);
  margin: 0;
  padding: 0;
  overflow: visible;
  position: relative;
  z-index: 10;
}

.analysis-board-container .evaluation-progress-bar {
  height: 100%;
  width: 0%;
  background: var(--engine-progress);
  transition: width 0.3s ease, opacity 0.3s ease;
  opacity: 0;
  border-radius: 0 2px 2px 0;
}

.analysis-board-container .evaluation-progress-bar.visible {
  opacity: 1;
}

/*===================================*\
 * #MOVE TREE & NAVIGATION
\*===================================*/

/* Move Tree Container */
.analysis-board-container .moves-container {
  min-height: 250px;
  padding: 15px;
  flex: 1;
  overflow-y: auto;
  font-family: "Jost", sans-serif;
  line-height: 1.5;
  background-color: var(--sidebar-inner-base);
  border-radius: 8px;
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) var(--scrollbar);
  margin: 15px;
  margin-bottom: 5px;
  box-shadow: var(--shadow-1);
}

.analysis-board-container .moves-container::-webkit-scrollbar {
  width: 8px;
}

.analysis-board-container .moves-container::-webkit-scrollbar-track {
  background: var(--scrollbar);
  border-radius: 4px;
}

.analysis-board-container .moves-container::-webkit-scrollbar-thumb {
  background-color: var(--scroll-thumb);
  border-radius: 4px;
  border: 2px solid var(--scrollbar);
}

.analysis-board-container .move-tree {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.analysis-board-container .main-line {
  display: flex;
  flex-direction: column;
  width: 100%;
}

.analysis-board-container .turn {
  display: flex;
  flex-wrap: nowrap;
  margin-bottom: 6px;
  padding: 4px 6px;
  border-radius: 4px;
  background-color: var(--turn-bg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
  position: relative;
}

.analysis-board-container .variation {
  margin-left: 20px; /* Indentation for variations */
  margin-bottom: 10px;
  position: relative;
  border-left: 2px solid var(--scroll-thumb);
  padding-left: 10px;
}

.analysis-board-container .variations {
  margin-bottom: 10px;
}

/* New move-entry container to hold move number and move */
.analysis-board-container .move-entry {
  display: flex;
  align-items: center;
  margin: 0 4px;
  position: relative;
}

.analysis-board-container .move-container {
  display: flex;
  align-items: center;
  margin: 0 0 0 2px;
  position: relative;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  padding: 2px 4px;
}

.analysis-board-container .move-number {
  margin-right: 4px;
  font-weight: 500;
  color: var(--text-secondary);
  min-width: 22px;
  display: inline-block;
  text-align: right;
}

.analysis-board-container .move-icon {
  width: 18px;
  height: 18px;
  margin-right: 5px;
  margin-left: 1px;
  object-fit: contain;
  opacity: 0.9;
  border-radius: 50%;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.2));
  transform: scale(0.95);
  transition: transform 0.2s ease;
}

.analysis-board-container .move-container:hover {
  background-color: var(--hover-light);
  transform: translateY(-1px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

.analysis-board-container .move-container:active {
  transform: translateY(0);
  box-shadow: none;
}

.analysis-board-container .move {
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 1px;
  margin: 0;
  border-radius: 4px;
  font-weight: 500;
  transition: all 0.2s ease;
  min-width: 24px;
  position: relative;
}

.analysis-board-container .move:hover {
  background-color: transparent;
  transform: none;
  box-shadow: none;
}

.analysis-board-container .current-move {
  color: var(--perm-white) !important;
  font-weight: 600;
}

.analysis-board-container .current-container {
  background-color: var(--light-btn);
  font-weight: 600;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.analysis-board-container .current-container:hover {
  background-color: var(--light-btn-hover);
}

/* Make the icons in current move pop more */
.analysis-board-container .current-container .move-icon {
  opacity: 1;
  transform: scale(1);
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3));
}

/* Add some highlighting for move quality */
.analysis-board-container .move[data-node-id*="brilliant"],
.analysis-board-container .brilliant-move {
  color: var(--brilliant-cyan);
}

.analysis-board-container .move[data-node-id*="great"],
.analysis-board-container .great-move {
  color: var(--great-blue);
}

.analysis-board-container .move[data-node-id*="perfect"],
.analysis-board-container .move[data-node-id*="excellent"],
.analysis-board-container .perfect-move,
.analysis-board-container .excellent-move {
  color: var(--excellent-green);
}

.analysis-board-container .move[data-node-id*="good"],
.analysis-board-container .good-move,
.analysis-board-container .forced-move {
  color: var(--good-green);
}

.analysis-board-container .move[data-node-id*="inaccuracy"],
.analysis-board-container .inaccuracy-move {
  color: var(--inaccuracy-yellow);
}

.analysis-board-container .move[data-node-id*="mistake"],
.analysis-board-container .mistake-move {
  color: var(--mistake-orange);
}

.analysis-board-container .move[data-node-id*="blunder"],
.analysis-board-container .move[data-node-id*="miss"],
.analysis-board-container .blunder-move,
.analysis-board-container .miss-move {
  color: var(--blunder-red);
}

.analysis-board-container .theory-move {
  color: var(--theory-yellow);
}

/*===================================*\
 * #UI CONTROLS & BUTTONS
\*===================================*/

/* Move Navigation Controls */
.analysis-board-container .controls {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.analysis-board-container .controls button {
  padding: 8px 16px;
  background-color: var(--btn-secondary);
  color: var(--pure-white);
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-family: "Jost", sans-serif;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  width: 100%;
}

.analysis-board-container .controls button svg {
  width: 20px;
  height: 20px;
  display: block;
  object-fit: contain;
  color: var(--pure-white);
}

.analysis-board-container .controls button:hover {
  background-color: var(--hover-button);
  transform: translateY(-2px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.analysis-board-container .controls button:hover img {
  filter: brightness(1.2);
}

.analysis-board-container .controls button:active {
  transform: translateY(0);
  box-shadow: none;
}

/* Make the quick menu button slightly wider */
.analysis-board-container .quick-menu-container button {
  min-width: 60px;
}

/*===================================*\
 * #MOVE CLASSIFICATIONS
\*===================================*/

/* Classification Icons */
.analysis-board-container .classification {
  position: absolute;
  width: 7vw;
  height: 7vw;
  max-width: 4.5vh;
  max-height: 4.5vh;
  transform: translate(min(8vw, 8vh), max(-1.8vw, -1.8vh));
  z-index: 11;
  pointer-events: none;
}

.analysis-board-container .classification.border {
  transform: translate(min(6vw, 6vh), max(-0.8vw, -0.8vh));
}

/* Board Classification Background Colors */

.analysis-board-container .just-moved {
  background-image: linear-gradient(
    var(--just-moved-bg-start) 100%,
    var(--just-moved-bg-end) 50%
  );
}

.analysis-board-container .board-classification.theory-move {
  background-image: linear-gradient(
    var(--theory-bg-start) 100%,
    var(--theory-bg-end) 50%
  );
}

.analysis-board-container .board-classification.brilliant-move {
  background-image: linear-gradient(
    var(--brilliant-bg-start) 100%,
    var(--brilliant-bg-end) 0%
  );
}

.analysis-board-container .board-classification.great-move {
  background-image: linear-gradient(
    var(--great-bg-start) 100%,
    var(--great-bg-end) 50%
  );
}

.analysis-board-container .board-classification.perfect-move,
.analysis-board-container .board-classification.excellent-move {
  background-image: linear-gradient(
    var(--excellent-bg-start) 100%,
    var(--excellent-bg-end) 0%
  );
}

.analysis-board-container .board-classification.forced-move {
  background-image: linear-gradient(
    var(--forced-bg-start) 100%,
    var(--forced-bg-end) 50%
  );
}

.analysis-board-container .board-classification.good-move {
  background-image: linear-gradient(
    var(--good-bg-start) 100%,
    var(--good-bg-end) 50%
  );
}

.analysis-board-container .board-classification.inaccuracy-move {
  background-image: linear-gradient(
    var(--inaccuracy-bg-start) 100%,
    var(--inaccuracy-bg-end) 50%
  );
}

.analysis-board-container .board-classification.mistake-move {
  background-image: linear-gradient(
    var(--mistake-bg-start) 100%,
    var(--mistake-bg-end) 50%
  );
}

.analysis-board-container .board-classification.miss-move,
.analysis-board-container .board-classification.blunder-move {
  background-image: linear-gradient(
    var(--blunder-bg-start) 100%,
    var(--blunder-bg-end) 50%
  );
}

/*===================================*\
 * #GAME INFORMATION DISPLAY
\*===================================*/

/* Game Info Section */
.analysis-board-container .game-info {
  color: var(--text-primary);
  text-align: center;
  padding: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Game Result Display */
.analysis-board-container .game-result {
  padding: 10px 15px;
  background-color: var(--game-result-light-bg);
  border-radius: 4px;
  font-weight: bold;
  font-size: 14px;
  color: var(--game-result-light-text);
  text-align: center;
  width: 100%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.analysis-board-container .game-result.black {
  background-color: var(--game-result-dark-bg);
  color: var(--game-result-dark-text);
}

/*===================================*\
 * #LOADING & ANIMATION STATES
\*===================================*/

/* Loading Icons and Animations */
.analysis-board-container .loading-icon {
  width: 18px;
  height: 18px;
  margin-right: 5px;
  animation: spin 1.5s linear infinite;
  display: inline-block;
  vertical-align: middle;
  color: var(--text-secondary);
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Evaluation Status Styles */
.analysis-board-container .evaluation-pending {
  opacity: 0.9;
  background-color: var(--evaluation-pending-bg);
}

.analysis-board-container .evaluation-pending .move {
  color: var(--move-pending-text);
}

/*===================================*\
 * #ENGINE ANALYSIS
\*===================================*/

/* Engine Lines Section */
.analysis-board-container .engine-lines-container {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  font-family: "Jost", sans-serif;
  max-width: 100%;
}

.analysis-board-container .engine-line {
  display: flex;
  align-items: flex-start;
  border-radius: 5px;
  overflow: hidden;
  background-color: var(--sidebar-base);
  min-height: 28px;
  max-width: 100%;
}

.analysis-board-container .engine-score {
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  padding: 8px 10px;
  min-width: 55px;
  border-radius: 3px;
  margin: 0px;
  text-align: center;
  font-size: 13px;
}

.analysis-board-container .white-score {
  background-color: var(--engine-white-bg);
  color: var(--engine-white-text);
}

.analysis-board-container .black-score {
  background-color: var(--engine-black-bg);
  color: var(--engine-black-text);
}

.analysis-board-container .engine-moves {
  display: flex;
  flex: 1;
  padding: 6px 10px;
  color: var(--text-secondary);
  font-size: 13px;
  align-items: center;
  position: relative;
  justify-content: space-between;
}

.analysis-board-container .moves-content {
  flex: 1;
  overflow: hidden;
}

.analysis-board-container .visible-moves {
  display: block;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.analysis-board-container .expand-button {
  cursor: pointer;
  padding: 2px 6px;
  transition: all 0.2s ease;
  color: var(--text-secondary);
  margin-left: 5px;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  align-self: flex-start;
  height: 100%;
  padding-top: 4px;
}

.analysis-board-container .expand-button svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
  color: var(--text-primary);
  transition: all 0.2s ease;
}

.analysis-board-container .expand-button:hover svg {
  opacity: 1;
  transform: scale(1.1);
}

.analysis-board-container .hidden-moves {
  display: none;
  padding: 6px 0 0 0;
  width: 100%;
  color: #aaa;
  font-size: 13px;
  line-height: 1.4;
}

.analysis-board-container .engine-lines {
  padding: 10px 12px;
  background-color: var(--sidebar-inner-base);
  border-radius: 8px;
  margin: 15px 15px 0 15px;
  box-shadow: var(--shadow-1);
  min-height: 160px;
}

.analysis-board-container .section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--section-border);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
}

/* Engine lines title and waiting message */
.analysis-board-container .engine-lines-title::before {
  content: "";
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-right: 8px;
}

.analysis-board-container .engine-lines-title.has-evaluation::before {
  background-color: #7bcc18;
}

.analysis-board-container .engine-lines-title.no-evaluation::before {
  background-color: #999;
}

.analysis-board-container .engine-depth {
  font-size: 14px;
  color: #999;
  font-weight: normal;
  text-transform: none;
  letter-spacing: normal;
  margin-left: 10px;
}

.analysis-board-container .engine-lines-waiting {
  display: flex;
  align-items: center;
  padding: 10px;
  color: #aaa;
  justify-content: center;
  min-height: 30px;
  font-style: italic;
}

.analysis-board-container .engine-lines-waiting img {
  margin-right: 6px;
  width: 16px;
  height: 16px;
  vertical-align: middle;
}

.analysis-board-container .engine-lines-waiting .loading-icon {
  animation: spin 1.5s linear infinite;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

/* Clickable move styles */
.analysis-board-container .clickable-move {
  cursor: pointer;
  display: inline-block;
  padding: 2px 4px;
  border-radius: 3px;
  transition: all 0.15s ease;
  margin: 0 1px;
}

.analysis-board-container .clickable-move:hover {
  background-color: var(--light-btn);
  color: var(--perm-white);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  transform: translateY(-1px);
}

/* Move Information Display */
.analysis-board-container .move-info {
  padding: 5px;
  background-color: var(--sidebar-inner-base);
  border-radius: 8px;
  box-shadow: var(--shadow-1);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
}

.analysis-board-container .classification-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.analysis-board-container .move-left-side {
  display: flex;
  align-items: center;
}

.analysis-board-container .perfect-move-alternative {
  font-style: italic;
  color: var(--text-secondary);
  margin-left: auto;
  text-align: right;
  font-size: 14px;
}

.analysis-board-container .move-info-placeholder {
  color: var(--text-secondary);
  font-style: italic;
  text-align: center;
  width: 100%;
  padding: 8px;
}

/*===================================*\
 * #MODAL & OVERLAY COMPONENTS
\*===================================*/

/* Game Analysis Overlay */
.analysis-board-container .analysis-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--dark-overlay);
  z-index: 21;
  display: none;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
}

.analysis-board-container .analysis-overlay.active {
  display: flex;
}

.analysis-board-container .board-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 25;
  display: none;
  pointer-events: all;
}

.analysis-board-container .blur-content {
  filter: blur(4px);
  pointer-events: none;
  transition: filter 0.3s ease;
}

.analysis-board-container .analysis-content {
  text-align: center;
  color: var(--text-primary);
  width: 80%;
  max-width: 350px;
  z-index: 21;
}

.analysis-board-container .analysis-content h2 {
  font-size: 24px;
  font-weight: 600;
  margin: 5px;
}

.analysis-board-container .analysis-content p {
  font-size: 16px;
  margin-bottom: 20px;
  color: var(--text-secondary);
  margin: 15px;
  margin-top: 0px;
}

.analysis-board-container .analysis-progress {
  width: 100%;
  height: 8px;
  background-color: var(--analysis-progress-bg);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 15px;
  position: relative;
}

.analysis-board-container .analysis-progress-bar {
  height: 100%;
  background-color: var(--engine-progress);
  width: 0%;
  border-radius: 4px;
  transition: width 0.3s ease;
}

.analysis-board-container .progress-percentage {
  color: #bbb;
  font-size: 14px;
  margin-top: 5px;
}

.analysis-board-container .fun-fact {
  margin-top: 20px;
  padding: 15px;
  background-color: var(--analysis-bg);
  border-radius: 8px;
  font-style: italic;
  color: var(--analysis-text);
  transition: opacity 0.3s ease;
  opacity: 1;
}

.analysis-board-container .game-graph {
  padding: 0px;
  background-color: #ffffff00;
  overflow: hidden;
  height: 130px;
}

.analysis-board-container #game-analysis-graph {
  width: 100%;
  height: 130px;
  color: #1f1f1f;
}

/*===================================*\
 * #MEDIA QUERIES
\*===================================*/

@media (max-width: 1500px) {
  :root {
    --board-scale: 78;
  }

  .analysis-board-container .sidebar {
    width: 360px;
  }

  .analysis-board-container .setting-name,
  .analysis-board-container .setting-description {
    display: none;
  }
}

@media (max-width: 1400px) {
  :root {
    --board-scale: 65;
  }
}

@media (max-width: 1300px) {
  :root {
    --board-scale: 58;
  }
}

@media (max-width: 1200px) {
  :root {
    --board-scale: 40;
  }
}

/* Tablet Layout */
@media (max-width: 1024px) {
  :root {
    --board-scale: 57;
  }

  .analysis-board-container .main-panel {
    flex-direction: column;
  }

  .analysis-board-container .sidebar {
    width: calc(var(--board-scale) * 1vmin + 30px);
    max-width: calc(var(--board-scale) * 1vw + 30px);
    margin: 0 auto;
    height: 92vh;
    max-height: 92vh;
    flex-direction: column;
  }

  .analysis-board-container .controls {
    max-width: calc(calc(var(--board-scale) * 1vw) + 30px);
    margin: 0 auto;
    gap: 8px;
  }

  .analysis-board-container .controls button {
    padding: 12px 8px;
    touch-action: manipulation;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-text-size-adjust: none;
    -webkit-user-select: none;
    font-size: 1.6rem;
    border-radius: 8px;
  }

  .analysis-board-container .header .inner {
    max-width: calc(var(--board-scale) * 1vmin);
  }

  .analysis-board-container .moves-container {
    overflow-y: visible;
    overflow-x: hidden;
  }
}

/* Mobile Portrait Layout */
@media (max-width: 768px) {
  :root {
    --board-scale: 75;
  }

  .analysis-board-container .main-panel {
    flex-direction: column;
  }

  .analysis-board-container .sidebar {
    width: calc(var(--board-scale) * 1vmin + 30px);
    max-width: calc(var(--board-scale) * 1vw + 30px);
    margin: 0 auto;
    height: 92vh;
    max-height: 92vh;
    flex-direction: column;
    padding-bottom: 100px;
  }

  .analysis-board-container .bottom-content {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--sidebar-base);
    padding: 10px 15px;
    z-index: 20;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
  }

  .analysis-board-container .bottom-content.blur-content {
    display: none;
  }

  .analysis-board-container .controls {
    max-width: calc(calc(var(--board-scale) * 1vw) + 30px);
    margin: 0 auto;
    gap: 8px;
  }

  .analysis-board-container .controls button {
    padding: 12px 8px;
    touch-action: manipulation;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-text-size-adjust: none;
    -webkit-user-select: none;
    font-size: 1.6rem;
    border-radius: 8px;
  }

  .analysis-board-container .header .inner {
    max-width: calc(var(--board-scale) * 1vmin);
  }

  .analysis-board-container .moves-container {
    overflow-y: visible;
    overflow-x: hidden;
  }

  /* Quick menu responsive adjustments */
  .analysis-board-container .quick-menu {
    min-width: 160px;
    bottom: calc(100% + 6px);
  }

  .analysis-board-container .quick-menu-item {
    padding: 10px 14px;
    font-size: 13px;
    gap: 12px;
  }

  .analysis-board-container .quick-menu-item svg {
    width: 16px;
    height: 16px;
  }
}

/* Small Mobile Layout */
@media (max-width: 655px) {
  .analysis-board-container .main-panel {
    flex-direction: column;
  }

  .analysis-board-container .header {
    margin-bottom: 10px;
  }

  .analysis-board-container .header .inner {
    max-width: 95vw;
  }

  .analysis-board-container .sidebar {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    height: unset;
    max-height: unset;
    flex-direction: column;
    border-radius: 0px;
  }

  .analysis-board-container .sidebar-header {
    border-radius: 0px;
  }

  .analysis-board-container .tab-button {
    border-radius: 0px;
  }

  .analysis-board-container .container {
    width: 100vw;
    padding-top: 0px;
    padding-bottom: 0px;
  }

  .analysis-board-container .nameplate {
    border-radius: 0px !important;
    max-width: unset;
  }

  .analysis-board-container .clock {
    padding-right: 10px;
    min-width: 50px;
  }

  .analysis-board-container .clock-time {
    font-size: 14px;
    padding: 3px 6px;
    letter-spacing: normal;
  }

  .analysis-board-container #chessboard {
    width: 100vw;
    height: 100vw;
    max-height: calc(100vw + 30px);
    max-width: 100vw;
    overflow: hidden;
  }

  .analysis-board-container .board-elements {
    position: absolute;
    width: 100vw;
    height: 100vw;
    max-height: calc(100vw + 30px);
    max-width: 100vw;
    transform: translateY(30px);
  }

  .analysis-board-container .bottom-content {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: var(--sidebar-base);
    padding: 10px 15px;
    padding-bottom: 15px;
    z-index: 20;
    box-shadow: 0 -2px 12px rgba(0, 0, 0, 0.3);
    touch-action: manipulation;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-text-size-adjust: none;
    -webkit-user-select: none;
  }

  .analysis-board-container .controls {
    max-width: calc(calc(var(--board-scale) * 1vw) + 30px);
    margin: 0 auto;
    gap: 8px;
    padding-bottom: 10px;
    touch-action: manipulation;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-text-size-adjust: none;
    -webkit-user-select: none;
  }

  .analysis-board-container .controls button {
    padding: 16px 8px;
    font-size: 1.6rem;
    border-radius: 8px;
    touch-action: manipulation;
    user-select: none;
    -webkit-touch-callout: none;
    -webkit-text-size-adjust: none;
    -webkit-user-select: none;
  }

  .analysis-board-container .analysis-overlay {
    border-radius: 0px;
  }

  .analysis-board-container .classification {
    transform: translate(min(9.4vw, 9.4vh), max(-3.4vw, -3.4vh));
    z-index: 11;
  }

  .analysis-board-container .classification.border {
    transform: translate(min(6.4vw, 6.4vh), max(-1.8vw, -1.8vh));
  }

  /* Mobile Evaluation Bar Adjustments */
  .analysis-board-container .chess-box {
    flex-direction: column;
  }

  .analysis-board-container .eval-bar {
    height: 100vw;
    width: 30px;
    overflow: hidden;
    transform: rotate(-90deg);
  }

  .analysis-board-container .eval-text {
    transform: rotate(90deg);
  }

  .analysis-board-container .eval-bar-container {
    height: 30px;
    max-width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0px;
  }

  .analysis-board-container .eval-bar.flipped {
    transform: rotate(90deg);
  }

  /* Hide elements on small screens */
  .analysis-board-container .accuracy,
  .analysis-board-container .game-time {
    display: none;
  }

  /* Quick menu responsive adjustments for small screens */
  .analysis-board-container .quick-menu {
    min-width: 140px;
  }

  .analysis-board-container .quick-menu-item {
    padding: 8px 12px;
    gap: 10px;
    font-size: 12px;
  }

  .analysis-board-container .quick-menu-item svg {
    width: 14px;
    height: 14px;
  }

  /* Responsive Design for Settings */
  .analysis-board-container .setting-item {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .analysis-board-container .setting-input {
    justify-content: center;
    width: 100%;
  }

  .analysis-board-container .visual-list-container {
    grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
    max-width: 100%;
  }

  .analysis-board-container .slider-input-container {
    min-width: 100%;
  }

  .analysis-board-container .color-input-container {
    justify-content: center;
  }
}

/* Game Stats Styles */

.analysis-board-container .game-stats {
  background-color: #00000000;
  box-shadow: none;
  padding: 0px;
}

.analysis-board-container .stats-comparison {
  color: var(--color-primary);
  font-family: "Jost", sans-serif;
  background-size: cover;
  background-position: center;
  border-radius: 0;
}

.analysis-board-container .stats-players {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-weight: 600;
}

.analysis-board-container .stats-player {
  flex: 1;
  text-align: center;
  font-weight: 700;
}

.analysis-board-container .stats-label {
  flex: 1;
  font-weight: 500;
  color: var(--stats-label);
  padding-left: 10px;
}

.analysis-board-container .no-padding {
  padding: 0px;
}

.analysis-board-container .stats-row {
  display: flex;
  align-items: center;
  margin-bottom: 6px;
  height: 28px;
}

.analysis-board-container .stats-moves,
.analysis-board-container .stats-phases {
  margin-bottom: 10px;
}

.analysis-board-container .stats-count {
  flex: 1;
  text-align: center;
  font-weight: 600;
  font-size: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.analysis-board-container .stats-icon {
  width: 24px;
  height: 24px;
  margin: 0 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.analysis-board-container .stats-icon svg,
.analysis-board-container .stats-icon img {
  width: 100%;
  height: 100%;
}

.analysis-board-container .stats-icon .move-icon {
  width: 24px;
  height: 24px;
}

.analysis-board-container .stats-box {
  flex: 1;
  text-align: center;
  color: #1a1a1a;
  background-color: #dddddd;
  border-radius: 4px;
  font-weight: 600;
  padding: 2px 0;
}

.analysis-board-container .stats-box.black {
  background-color: #1a1a1a;
  color: #dddddd;
}

.analysis-board-container .stats-divider {
  border: 1px solid var(--stats-divider);
  margin: 16px 0px;
}

/* ==========================================
   SETTINGS MENU COMPONENT STYLES
   ========================================== */

/* Settings Groups */

.analysis-board-container .settings-group-header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 0 10px 0;
  border-bottom: 2px solid var(--stats-divider);
  margin-bottom: 15px;
}

.analysis-board-container .settings-group-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: 0.5px;
}

.analysis-board-container .settings-group-content {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Individual Setting Items */
.analysis-board-container .setting-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 15px;
  padding: 15px;
  background-color: var(--sidebar-inner-base);
  border-radius: 8px;
  box-shadow: var(--shadow-1);
  transition: box-shadow 0.2s ease;
  transform: translateZ(0);
}

.analysis-board-container .setting-item:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.analysis-board-container .setting-label {
  display: flex;
  flex-direction: column;
  gap: 5px;
  flex: 1;
  min-width: 0;
}

.analysis-board-container .setting-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.2;
}

.analysis-board-container .setting-description {
  font-size: 12px;
  color: var(--text-secondary);
  line-height: 1.3;
  opacity: 0.9;
}

.analysis-board-container .setting-input {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.analysis-board-container .setting-group-item {
  border: 1px solid var(--sidebar-inner-base);
  border-radius: 10px;
  padding: 18px;
  flex-direction: column;
  align-items: stretch;
}

.analysis-board-container .setting-group-label {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.analysis-board-container .setting-group-label .setting-name {
  color: var(--text-primary);
  font-size: 16px;
  font-weight: 600;
}

.analysis-board-container .setting-group-label .setting-description {
  color: var(--text-secondary);
  font-size: 14px;
  opacity: 0.9;
}

.analysis-board-container .setting-group-content-inline {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.analysis-board-container .setting-sub-item {
  display: flex;
}

.analysis-board-container .setting-sub-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.analysis-board-container .setting-sub-label {
  flex: 1;
  display: flex;
  align-items: center;
}

.analysis-board-container .setting-sub-name {
  color: var(--text-primary);
  font-size: 13px;
  font-weight: 500;
}

/* Color Input Styles */
.analysis-board-container .color-input-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.analysis-board-container .color-preview-box {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  border: 2px solid var(--dark-border);
  cursor: pointer;
  transition: box-shadow 0.2s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transform: translateZ(0);
}

.analysis-board-container .color-preview-box:hover {
  box-shadow: 0 0 0 2px var(--light-btn);
}

.analysis-board-container .color-input {
  width: 32px;
  height: 32px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  background: none;
  opacity: 0;
  position: absolute;
}

/* Slider Input Styles */
.analysis-board-container .slider-input-container {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 120px;
}

.analysis-board-container .slider-input {
  flex: 1;
  height: 6px;
  border-radius: 3px;
  background: var(--input-bg);
  outline: none;
  transition: opacity 0.2s ease;
  cursor: pointer;
  -webkit-appearance: none;
  appearance: none;
  /* CSS variable for filled track - update via JavaScript */
  --slider-progress: 50%;
}

/* Webkit browsers (Chrome, Safari, Edge) */
.analysis-board-container .slider-input::-webkit-slider-runnable-track {
  height: 6px;
  border-radius: 3px;
  background: linear-gradient(
    to right,
    var(--light-btn) 0%,
    var(--light-btn) var(--slider-progress),
    var(--input-bg) var(--slider-progress),
    var(--input-bg) 100%
  );
  border: none;
}

.analysis-board-container .slider-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--light-btn);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: background-color 0.2s ease;
  margin-top: -6px; /* Center the thumb */
}

.analysis-board-container .slider-input::-webkit-slider-thumb:hover {
  background: var(--light-btn-hover);
}

/* Firefox */
.analysis-board-container .slider-input::-moz-range-track {
  height: 6px;
  border-radius: 3px;
  background: var(--input-bg);
  border: none;
}

.analysis-board-container .slider-input::-moz-range-progress {
  height: 6px;
  border-radius: 3px;
  background: var(--light-btn);
  border: none;
}

.analysis-board-container .slider-input::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--light-btn);
  cursor: pointer;
  border: 2px solid white;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
  transition: background-color 0.2s ease;
  appearance: none;
  -moz-appearance: none;
}

.analysis-board-container .slider-input::-moz-range-thumb:hover {
  background: var(--light-btn-hover);
}

.analysis-board-container .slider-value {
  font-size: 12px;
  color: var(--text-primary);
  font-weight: 600;
  min-width: 40px;
  text-align: center;
  background: var(--input-bg);
  padding: 4px 8px;
  border-radius: 4px;
}

/* Dropdown Input Styles */
.analysis-board-container .dropdown-input {
  background-color: var(--input-bg);
  color: var(--text-primary);
  border: 1px solid var(--dark-border);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  min-width: 120px;
}

.analysis-board-container .dropdown-input:focus {
  outline: none;
  border-color: var(--light-btn);
  box-shadow: 0 0 0 2px var(--light-btn-shadow);
}

.analysis-board-container .dropdown-input:hover {
  border-color: var(--dark-border-hover);
}

.analysis-board-container .dropdown-input option {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  padding: 8px;
}

/* Visual List Input Styles */
.analysis-board-container .visual-list-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 10px;
  max-width: 280px;
  max-height: 200px;
  overflow-y: auto;
  padding: 5px;
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) var(--scrollbar);
  will-change: scroll-position;
  contain: layout style;
}

.analysis-board-container .visual-list-container::-webkit-scrollbar {
  width: 6px;
}

.analysis-board-container .visual-list-container::-webkit-scrollbar-track {
  background: var(--scrollbar);
  border-radius: 3px;
}

.analysis-board-container .visual-list-container::-webkit-scrollbar-thumb {
  background-color: var(--scroll-thumb);
  border-radius: 3px;
}

.analysis-board-container .visual-list-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  padding: 8px;
  background-color: var(--turn-bg);
  border: 2px solid transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: border-color 0.2s ease, background-color 0.2s ease;
  text-align: center;
  transform: translateZ(0);
}

.analysis-board-container .visual-list-option:hover {
  border-color: var(--dark-border-hover);
  background-color: var(--hover-dark);
}

.analysis-board-container .visual-list-option.selected {
  border-color: var(--light-btn);
  background-color: rgba(46, 181, 214, 0.1);
  outline: 1px solid var(--light-btn);
  outline-offset: -1px;
}

.analysis-board-container .visual-list-label {
  font-size: 11px;
  font-weight: 500;
  color: var(--text-primary);
  line-height: 1.2;
  word-break: break-word;
}

/* Board Preview Styles */
.analysis-board-container .board-preview {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  width: 48px;
  height: 48px;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--dark-border);
  contain: layout style paint;
}

.analysis-board-container .board-preview-square {
  width: 100%;
  height: 100%;
}

/* Piece Preview Styles */
.analysis-board-container .piece-preview {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2px;
  width: 48px;
  height: 48px;
  background: repeating-conic-gradient(
      var(--theme-light) 0 25%,
      var(--theme-dark) 0 50%
    )
    50% / 24px 24px;
  border-radius: 4px;
  border: 1px solid var(--dark-border);
  padding: 4px;
  contain: layout style paint;
}

.analysis-board-container .piece-preview-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  filter: drop-shadow(0 1px 1px rgba(0, 0, 0, 0.2));
  display: block;
}

/* Toggle Input Styles */
.analysis-board-container .toggle-input-container {
  display: flex;
  align-items: center;
  gap: 8px;
}

.analysis-board-container .toggle-input {
  display: none;
}

.analysis-board-container .toggle-label {
  position: relative;
  display: inline-block;
  width: 50px;
  height: 26px;
  cursor: pointer;
}

.analysis-board-container .toggle-slider {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--turn-bg);
  border-radius: 26px;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  border: 2px solid var(--toggle-border);
}

.analysis-board-container .toggle-slider:before {
  position: absolute;
  content: "";
  height: 18px;
  width: 18px;
  left: 2px;
  top: 2px;
  background-color: var(--toggle-thumb);
  border-radius: 50%;
  transition: transform 0.3s ease;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.analysis-board-container .toggle-input:checked + .toggle-label .toggle-slider {
  background-color: var(--light-btn);
  border-color: var(--light-btn);
}

.analysis-board-container
  .toggle-input:checked
  + .toggle-label
  .toggle-slider:before {
  transform: translateX(24px);
}

.analysis-board-container .toggle-label:hover .toggle-slider {
  border-color: rgba(46, 181, 214, 0.5);
}

/* Settings Menu Container */
.analysis-board-container .tab-panel.active,
.analysis-board-container .settings-menu-container {
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) var(--scrollbar);
  flex: 1;
  height: 100%;
  max-height: 100%;
  /* Performance optimizations */
  will-change: scroll-position;
  contain: layout style paint;
}

.analysis-board-container .settings-menu-container {
  padding: 0 15px 15px 15px;
}

.analysis-board-container .tab-panel.active::-webkit-scrollbar,
.analysis-board-container .settings-menu-container::-webkit-scrollbar {
  width: 8px;
}

.analysis-board-container .tab-panel.active::-webkit-scrollbar-track,
.analysis-board-container .settings-menu-container::-webkit-scrollbar-track {
  background: var(--scrollbar);
  border-radius: 4px;
}

.analysis-board-container .tab-panel.active::-webkit-scrollbar-thumb,
.analysis-board-container .settings-menu-container::-webkit-scrollbar-thumb {
  background-color: var(--scroll-thumb);
  border-radius: 4px;
  border: 2px solid var(--scrollbar);
}

/*===================================*\
 * #QUICK MENU STYLES
\*===================================*/

/* Quick Menu Container */
.analysis-board-container .quick-menu-container {
  position: relative;
  display: inline-block;
}

/* Quick Menu Popup */
.analysis-board-container .quick-menu {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--sidebar-base);
  border: 1px solid var(--dark-border);
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
  min-width: 180px;
  padding: 10px 0;
  display: none;
  z-index: 1000;
  opacity: 0;
  transform: translateX(-50%) translateY(4px);
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.analysis-board-container .quick-menu.show {
  display: block;
  animation: quickMenuSlideIn 0.2s ease forwards;
}

@keyframes quickMenuSlideIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

@keyframes slideInRight {
  from {
    opacity: 0;
    transform: translateX(100%);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

/* Quick Menu Items */
.analysis-board-container .quick-menu-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 18px;
  cursor: pointer;
  color: var(--text-primary);
  font-size: 14px;
  font-weight: 500;
  transition: background-color 0.2s ease;
  user-select: none;
}

.analysis-board-container .quick-menu-item:hover {
  background-color: var(--hover-dark);
}

.analysis-board-container .quick-menu-item:active {
  background-color: var(--light-btn);
  color: white;
}

.analysis-board-container .quick-menu-item svg {
  width: 18px;
  height: 18px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.analysis-board-container .quick-menu-item:hover svg {
  color: var(--text-primary);
}

.analysis-board-container .quick-menu-item span {
  white-space: nowrap;
}

/* Triangle arrow pointing down */
.analysis-board-container .quick-menu::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 6px solid var(--sidebar-base);
}

.analysis-board-container .quick-menu::before {
  content: "";
  position: absolute;
  top: calc(100% + 1px);
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 7px solid transparent;
  border-right: 7px solid transparent;
  border-top: 7px solid var(--dark-border);
}

/*===================================*\
| * #DEBUG INFORMATION STYLES
\*===================================*/

/* Debug Probabilities Section */
.analysis-board-container .debug-probabilities {
  padding: 10px 12px;
  background-color: var(--sidebar-inner-base);
  border-radius: 8px;
  margin: 15px 15px 0 15px;
  box-shadow: var(--shadow-1);
  min-height: 360px;
}

.analysis-board-container .debug-probability-content {
  display: flex;
  flex-direction: column;
  gap: 4px;
  max-height: 300px;
  overflow-y: auto;
  scrollbar-width: thin;
  overflow-x: clip;
  scrollbar-color: var(--scroll-thumb) var(--scrollbar);
}

.analysis-board-container .debug-probability-content::-webkit-scrollbar {
  width: 8px;
}

.analysis-board-container .debug-probability-content::-webkit-scrollbar-track {
  background: var(--scrollbar);
  border-radius: 4px;
}

.analysis-board-container .debug-probability-content::-webkit-scrollbar-thumb {
  background-color: var(--scroll-thumb);
  border-radius: 4px;
  border: 2px solid var(--scrollbar);
}

.analysis-board-container .debug-probability-line {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  background-color: var(--sidebar-base);
  border-radius: 5px;
  min-height: 42px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
}

.analysis-board-container .debug-probability-line:hover {
  background-color: var(--hover-dark);
  transform: translateX(2px);
}

.analysis-board-container .debug-move {
  font-size: 14px;
  color: var(--text-primary);
  font-weight: 600;
  min-width: 30px;
  flex-shrink: 0;
}

.analysis-board-container .debug-progress-container {
  flex: 1;
  height: 6px;
  background-color: var(--turn-bg);
  border-radius: 3px;
  overflow: hidden;
}

.analysis-board-container .debug-progress-bar {
  height: 100%;
  background: linear-gradient(
    90deg,
    var(--engine-progress) 0%,
    var(--light-btn) 100%
  );
  border-radius: 3px;
  transition: width 0.3s ease;
}

.analysis-board-container .debug-percentage {
  font-size: 13px;
  color: var(--text-secondary);
  font-weight: 600;
  min-width: 50px;
  text-align: right;
  flex-shrink: 0;
}

/* Debug Logs Section */
.analysis-board-container .debug-logs-section {
  padding: 10px 12px;
  background-color: var(--sidebar-inner-base);
  border-radius: 8px;
  margin: 15px 15px 0 15px;
  box-shadow: var(--shadow-1);
  min-height: 330px;
}

.analysis-board-container .debug-header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.analysis-board-container .debug-header-container .section-title {
  flex: 1;
  margin-bottom: 0;
}

.analysis-board-container .debug-copy-container {
  display: flex;
  justify-content: flex-end;
  margin-bottom: 10px;
}

.analysis-board-container .debug-copy-button {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6px;
  background-color: var(--sidebar-base);
  color: var(--text-secondary);
  border: 1px solid var(--dark-border);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease;
  width: 32px;
  height: 32px;
}

.analysis-board-container .debug-copy-button:hover {
  background-color: var(--turn-bg);
  border-color: var(--dark-border-hover);
  color: var(--text-primary);
}

.analysis-board-container .debug-copy-button:active {
  transform: translateY(1px);
}

.analysis-board-container .debug-copy-button svg {
  width: 16px;
  height: 16px;
  color: currentColor;
}

.analysis-board-container .debug-logs-content {
  padding: 12px;
  background-color: #1e1e1e;
  color: #d4d4d4;
  font-family: "Consolas", "Monaco", "Courier New", monospace;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre;
  overflow: auto;
  margin: 0;
  tab-size: 4;
  border-radius: 6px;
  border: 1px solid var(--dark-border);
  max-height: 400px;
  scrollbar-width: thin;
  scrollbar-color: #4a4a4a #2a2a2a;
}

.analysis-board-container .debug-logs-content::-webkit-scrollbar {
  width: 10px;
  height: 10px;
}

.analysis-board-container .debug-logs-content::-webkit-scrollbar-track {
  background: #2a2a2a;
}

.analysis-board-container .debug-logs-content::-webkit-scrollbar-thumb {
  background-color: #4a4a4a;
  border-radius: 5px;
  border: 2px solid #2a2a2a;
}

.analysis-board-container .debug-logs-content::-webkit-scrollbar-thumb:hover {
  background-color: #5a5a5a;
}

.analysis-board-container .debug-info-placeholder {
  color: var(--text-secondary);
  font-style: italic;
  text-align: center;
  width: 100%;
  padding: 20px 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100px;
}