/* Minimal terminal-inspired theme for Andrea Sgobbi */

:root {
  --terminal-bg: #2d2d2d;
  --terminal-surface: #333333;
  --terminal-text: #e5e5e5;
  --terminal-text-secondary: #b0b0b0;
  --terminal-green: #4ade80;
  --terminal-dark-green: #2a7f49;
  --terminal-border: #555555;
  --terminal-font: 'Monaco', 'Menlo', 'Ubuntu Mono', 'Consolas', 'Courier New', monospace;
}

/* Reset and base styles */
*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: var(--terminal-font);
  font-size: 14px;
  line-height: 1.6;
  background-color: var(--terminal-bg);
  color: var(--terminal-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.terminal-container {
  padding: 0;
  border: 4px solid var(--terminal-border);
  background-color: var(--terminal-bg);
  width: 100%; /* allow shrink-to-fit */
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--terminal-border);
  background-color: var(--terminal-surface);
}

.brand {
  font-size: 16px;
  font-weight: bold;
  color: var(--terminal-text);
}

.nav {
  display: flex;
  gap: 8px;
}

.nav-link {
  color: var(--terminal-text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color 0.2s ease;
}

.nav-link:hover {
  color: var(--terminal-text);
}

.nav-link.active {
  color: var(--terminal-green);
}

.nav-separator {
  color: var(--terminal-text-secondary);
}

.main {
  padding: 20px;
  width: 100%;
}

.page {
  display: none;
}

.page.active {
  display: block;
}

h2, h3 {
  color: var(--terminal-text);
  margin-bottom: 16px;
}

h2 {
  font-size: 16px;
  font-weight: bold;
}

h3 {
  font-size: 14px;
  font-weight: bold;
  margin-top: 16px;
}

p, li {
  color: var(--terminal-text-secondary);
  font-size: 14px;
  margin-bottom: 16px;
}

ul {
  padding-left: 20px;
  margin: 0 0 16px 0;
}

a {
  color: var(--terminal-green);
  text-decoration: none;
}

a:hover {
  color: var(--terminal-dark-green);
  text-decoration: underline;
}

strong {
  color: var(--terminal-text);
  font-weight: bold;
}

/* Custom box styling */
.page {
  display: none;
}
.page.active {
  display: block;
}

.repo-box {
  background: #222326;
  border: 2.5px solid var(--terminal-border);
  border-bottom-width: 0.5px;
  padding: 10px 15px;
  margin-bottom: 0;
  color: var(--terminal-text);
  font-family: inherit;
  transition: border-color 0.15s;
}

.repo-box:first-child {
  border-top-left-radius: 5px;
  border-top-right-radius: 5px;
   border-top-width: 2.5px;
}

.repo-box:last-child {
  border-bottom-left-radius: 5px;
  border-bottom-right-radius: 5px;
  border-bottom-width: 2.5px;
}

.repo-box + .repo-box {
  border-top-width: 0.5px;
  border-top-color: var(--terminal-border);
}

.repo-box h3 {
  margin: 0 0 6px 0;
  font-size: 15px;
  color: var(--terminal-green);
}

/* Accessibility */
:focus-visible {
  outline: 2px solid var(--terminal-green);
  outline-offset: 2px;
}

::selection {
  background-color: var(--terminal-green);
  color: var(--terminal-bg);
}

::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--terminal-bg);
}

::-webkit-scrollbar-thumb {
  background: var(--terminal-border);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--terminal-text-secondary);
}

/* Optional blinking cursor in header */
.brand::after {
  content: "_";
  animation: blink 1s infinite;
  color: var(--terminal-green);
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Chess containers */
.board-container {
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: center;
  position: relative;
}

.board-row {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  justify-content: center;
  margin-top: 15px;
}

#board {
  flex: 1 1 auto;
  margin: 0 auto;
  touch-action: none; /* Disable scrolling on mobile when using chess board */
}

.evalBar {
  height: 100%;
  flex: 0 0 var(--evalbar-width);
  margin-right: var(--evalbar-gap);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  position: relative;
}

/* EVAL BAR */
.eval-bar-outer {
  width: 100%;
  height: 100%;
  position: relative;
  background: transparent;
  border: 1px solid var(--terminal-border);
  border-radius: 6px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.eval-bar-black {
  background: #222;
  width: 100%;
  transition: height 0.2s;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
}

.eval-bar-grey {
  background: #8f8f8f;
  width: 100%;
  transition: height 0.2s;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  flex-direction: column;
}

.eval-bar-white {
  background: #eee;
  width: 100%;
  transition: height 0.2s;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  position: relative;
  flex-direction: column;
}

.eval-bar-score {
  position: absolute;
  left: 0;
  right: 0;
  font-size: 9px;
  font-weight: bold;
  text-align: center;
  z-index: 2;
  pointer-events: none;
  transition: color 0.2s;
  user-select: none;
  line-height: 1.2;
  padding: 2px 0;
}

.eval-bar-score.white {
  color: #222;
  top: 2px;
}

.eval-bar-score.grey {
  color: #373737;
  top: 50%;
  transform: translateY(-50%);
}

.eval-bar-score.black {
  color: #fff;
  bottom: 2px;
}

/* FEN BAR */
.fen-bar {
  background: var(--terminal-bg);
  color: #fff;
  display: flex;
  align-items: center;
  margin-top: 15px;
  padding: 8px 10px;
  border: 1.5px solid var(--terminal-border);
  border-radius: 4px;
}

.fen-label {
  color: var(--terminal-text);
  font-family: var(--terminal-font, monospace);
  font-size: 18px;
  margin-right: 8px;
  white-space: nowrap;
}

.fen-input {
  flex: 1 1 auto;
  background: #222326;
  color: var(--terminal-text-secondary);
  border: 1px solid #444;
  border-radius: 3px;
  padding: 6px 8px;
  font-family: var(--terminal-font);
  font-size: 12px;
  outline: none;
}

.fen-input:focus {
  border-color: var(--terminal-green);
  color: var(--terminal-text);
}

/* SEARCH SETTINGS */
.search-settings {
  color: var(--terminal-text-secondary);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.mode-toggle {
  display: inline-flex;
  background: #222326;
  border: 1px solid #444;
  border-radius: 4px;
  overflow: hidden;
}

.mode-btn {
  appearance: none;
  background: transparent;
  color: var(--terminal-text-secondary);
  border: 0;
  padding: 6px 10px;
  font-family: var(--terminal-font);
  font-size: 12px;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, box-shadow 0.12s;
}

.mode-btn + .mode-btn {
  border-left: 1px solid #444;
}

.mode-btn:hover {
  color: var(--terminal-text);
}

.mode-btn.selected {
  background: var(--terminal-green);
  color: #1b1b1b;
  font-weight: bold;
  box-shadow: 0 0 0 1px var(--terminal-green) inset;
}

.search-input {
  flex: 0 0 auto;
  width: 60px;
  background: #222326;
  color: var(--terminal-text-secondary);
  text-align: center;
  border: 1px solid #444;
  border-radius: 3px;
  padding: 6px 8px;
  font-family: var(--terminal-font);
  font-size: 12px;
  outline: none;
}

.search-input:focus {
  border-color: var(--terminal-green);
  color: var(--terminal-text);
}

/* Disable increment arrows */
/* Chrome, Safari, Edge, Opera */
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Firefox */
input[type=number] {
  -moz-appearance: textfield;
}

/* Board overlays (loading and game over) */
.html-layer {
  background: rgba(0, 0, 0, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 5;
  backdrop-filter: none;
}

.overlay-text {
  font-size: 16px;
  font-weight: bold;
  color: var(--terminal-text);
}

.overlay-content {
  text-align: center;
  color: var(--terminal-text);
  user-select: none;
}

.html-layer.visible {
  display: flex;
  pointer-events: auto;
}

.game-over-arrow {
  font-size: 64px;
  line-height: 1;
  color: var(--terminal-green);
  cursor: pointer;
  display: inline-block;
  transition: transform 0.12s ease, color 0.12s ease, text-shadow 0.12s ease;
  text-shadow: 0 0 0 transparent;
}

.game-over-arrow:hover,
.game-over-arrow:focus-visible {
  transform: scale(1.05);
  color: var(--terminal-dark-green);
  text-shadow: 0 0 6px rgba(74, 222, 128, 0.4);
  outline: none;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--terminal-border);
  border-top: 3px solid var(--terminal-green);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 16px;
}

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

/* Markers */
.cm-chessboard .markers .marker.customMarkerWhite {
  fill: #f7f769;
  opacity: 1.0;
}
.cm-chessboard .markers .marker.customMarkerBlack {
  fill: #bbca2c;
  opacity: 1.0;
}
.cm-chessboard .markers,
.cm-chessboard .markers .marker {
  pointer-events: none;
}

/* Responsive */
@media (min-width: 769px) {
  :root{
    --evalbar-width: 35px;
    --evalbar-gap: 12px;
  }

  html, body {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
  }

  .terminal-container {
    margin: 0;
    max-width: 630px;
  }

  .board-container {
    width: 85%;
  }

  .eval-bar-score {
    font-size: 10px;
  }
}

@media (max-width: 768px) {
  :root{
    --evalbar-width: 32px;
    --evalbar-gap: 8px;
  }

  .terminal-container {
    margin: 14px;
    width: auto; /* allow full width with padding/margin */
  }

  .header {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .main {
    padding: 10px;
  }

  .header {
    padding: 12px;
  }

  .nav {
    flex-wrap: wrap;
    font-size: 12px;
  }

  .nav-link {
    font-size: 12px;
  }

  .board-container {
    width: 98%;
  }

  .eval-bar-score {
    font-size: 5px;
  }

  #wdlBar {
    display: none;
  }

  #keyboardTip {
    display: none;
  }
}