:root {
  --bg-dark: #0a0a14;
  --bg-panel: #0f0f20;
  --border-color: #1a1a3a;
  --text-primary: #e0d8c8;
  --text-muted: #555;
  --accent-gold: #d4a537;
  --accent-green: #00ff88;
  --accent-red: #ff4455;
  --accent-blue: #4488ff;
  --font-mono: 'Courier New', Courier, monospace;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-mono);
  min-height: 100vh;
  padding: 20px;
  max-width: 900px;
  margin: 0 auto;
}

/* ===== HEADER ===== */
header {
  text-align: center;
  margin-bottom: 24px;
}

header h1 {
  font-size: 1.6rem;
  letter-spacing: 4px;
  color: var(--accent-gold);
  margin-bottom: 6px;
}

.subtitle {
  color: var(--text-muted);
  font-size: 0.8rem;
  font-style: italic;
}

/* ===== CONTROLS ===== */
.controls {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.control-group label {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

#target-input {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 1rem;
  padding: 8px 12px;
  border-radius: 4px;
  width: 180px;
  outline: none;
  transition: border-color 0.2s;
}

#target-input:focus {
  border-color: var(--accent-gold);
}

.speed-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

#speed-slider {
  width: 100px;
  accent-color: var(--accent-gold);
}

#speed-label {
  font-size: 0.85rem;
  color: var(--accent-gold);
  min-width: 36px;
}

.control-buttons {
  display: flex;
  gap: 8px;
}

.control-buttons button {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  padding: 8px 16px;
  border-radius: 4px;
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s;
}

.control-buttons button:hover:not(:disabled) {
  border-color: var(--accent-gold);
  background: #161630;
}

.control-buttons button:disabled {
  opacity: 0.4;
  cursor: default;
}

#btn-start {
  border-color: var(--accent-green);
  color: var(--accent-green);
}

#btn-start:hover:not(:disabled) {
  border-color: var(--accent-green);
  background: rgba(0, 255, 136, 0.08);
}

/* ===== STAGE ===== */
.stage {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 30px;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 30px;
  min-height: 200px;
  overflow: hidden;
}

.stage.shake-light {
  animation: shake-light 0.2s ease-out;
}

.stage.shake-medium {
  animation: shake-medium 0.3s ease-out;
}

@keyframes shake-light {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-2px); }
  75% { transform: translateX(2px); }
}

@keyframes shake-medium {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px) translateY(1px); }
  40% { transform: translateX(3px) translateY(-1px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(2px); }
}

#particle-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* ===== TYPEWRITER AREA ===== */
.typewriter-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.target-display {
  display: flex;
  gap: 4px;
  font-size: 2.2rem;
  font-weight: bold;
  letter-spacing: 4px;
}

.char {
  display: inline-block;
  transition: color 0.3s, text-shadow 0.3s, transform 0.2s;
  position: relative;
}

.char.pending {
  color: #2a2a3a;
}

.char.active {
  color: var(--accent-gold);
  animation: pulse 1.2s ease-in-out infinite;
}

.char.matched {
  color: var(--accent-green);
  text-shadow: 0 0 12px rgba(0, 255, 136, 0.5);
}

.char.matched-pop {
  animation: charPop 0.3s ease-out;
}

.char.wave {
  animation: wave 0.6s ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 0.6; }
  50% { opacity: 1; }
}

@keyframes charPop {
  0% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

@keyframes wave {
  0%, 100% { transform: translateY(0); }
  40% { transform: translateY(-12px); }
}

/* ===== TYPING WINDOW ===== */
.typing-window {
  position: relative;
  width: 100%;
  max-width: 480px;
  height: 48px;
  overflow: hidden;
  border: 2px solid var(--border-color);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
}

.typing-window::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 48px;
  height: 100%;
  background: linear-gradient(to right, rgba(10, 10, 20, 0.95), transparent);
  z-index: 1;
  pointer-events: none;
}

.typing-track {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-left: auto;
  padding: 0 8px;
  gap: 1px;
}

.typing-char {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.2em;
  font-size: 1.6rem;
  font-family: var(--font-mono);
  font-weight: bold;
  flex-shrink: 0;
  animation: charSlideIn 0.15s ease-out;
}

.typing-char.char-match {
  color: var(--accent-green);
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.5);
}

.typing-char.char-miss {
  color: var(--text-muted);
}

.typing-char.char-match-pop {
  animation: typingPop 0.2s ease-out;
}

@keyframes charSlideIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes typingPop {
  0% { transform: scale(1.3); }
  100% { transform: scale(1); }
}

.attempt-display {
  font-size: 1rem;
  color: var(--accent-green);
  min-height: 1.4em;
  letter-spacing: 2px;
  opacity: 0.7;
}

/* ===== MONKEY ===== */
.monkey {
  position: relative;
  width: 100px;
  height: 140px;
  flex-shrink: 0;
}

.monkey-head {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 58px;
  background: #8B6914;
  border-radius: 50%;
  z-index: 2;
}

.monkey-face {
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 42px;
  height: 34px;
  background: #d4b87a;
  border-radius: 50%;
}

.monkey-eye {
  position: absolute;
  top: 8px;
  width: 8px;
  height: 8px;
  background: #1a1a1a;
  border-radius: 50%;
  transition: all 0.2s;
}

.monkey-eye-left { left: 8px; }
.monkey-eye-right { right: 8px; }

.monkey.happy .monkey-eye {
  height: 4px;
  border-radius: 4px 4px 0 0;
  top: 10px;
}

.monkey-mouth {
  position: absolute;
  bottom: 6px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 7px;
  border-bottom: 2px solid #6b4c10;
  border-radius: 0 0 50% 50%;
  transition: all 0.2s;
}

.monkey.happy .monkey-mouth {
  width: 18px;
  height: 10px;
  border-bottom-width: 3px;
}

.monkey-ear {
  position: absolute;
  top: 10px;
  width: 20px;
  height: 20px;
  background: #6b4c10;
  border-radius: 50%;
  z-index: 1;
}

.monkey-ear::after {
  content: '';
  position: absolute;
  top: 4px;
  left: 4px;
  width: 12px;
  height: 12px;
  background: #d4b87a;
  border-radius: 50%;
}

.monkey-ear-left { left: 2px; }
.monkey-ear-right { right: 2px; }

.monkey-body {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 65px;
  background: #8B6914;
  border-radius: 25px 25px 20px 20px;
}

.monkey-arm {
  position: absolute;
  top: 10px;
  width: 16px;
  height: 50px;
  background: #7a5c12;
  border-radius: 8px;
  transform-origin: top center;
  transition: transform 0.15s;
}

.monkey-arm-left {
  left: -10px;
  transform: rotate(10deg);
}

.monkey-arm-right {
  right: -10px;
  transform: rotate(-10deg);
}

.monkey.typing .monkey-arm-left {
  transform: rotate(30deg);
}

.monkey.typing .monkey-arm-right {
  transform: rotate(-30deg);
}

.monkey.idle {
  animation: monkeyBob 3s ease-in-out infinite;
}

@keyframes monkeyBob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

.monkey.celebrate {
  animation: monkeyCelebrate 0.5s ease-in-out infinite;
}

@keyframes monkeyCelebrate {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-10px) rotate(-5deg); }
  75% { transform: translateY(-10px) rotate(5deg); }
}

.monkey.celebrate .monkey-arm-left {
  transform: rotate(-40deg);
}

.monkey.celebrate .monkey-arm-right {
  transform: rotate(40deg);
}

/* ===== STATS BAR ===== */
.stats-bar {
  display: flex;
  justify-content: space-around;
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 12px 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 8px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stat-label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.stat-value {
  font-size: 1.1rem;
  color: var(--accent-gold);
  font-weight: bold;
}

/* ===== DASHBOARD ===== */
.dashboard {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  padding: 14px;
}

.panel-title {
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
}


.best-attempt {
  font-size: 1.2rem;
  padding: 8px 0;
  min-height: 2em;
  letter-spacing: 1px;
}

.best-attempt .matched-part {
  color: var(--accent-green);
  text-shadow: 0 0 8px rgba(0, 255, 136, 0.3);
}

.best-attempt .failed-char {
  color: var(--accent-red);
  text-decoration: line-through;
}

.best-attempt .attempt-num {
  color: var(--text-muted);
  font-size: 0.75rem;
  margin-right: 8px;
}

.milestone-history {
  margin-top: 4px;
}

.milestone-entry {
  padding: 3px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  display: flex;
  gap: 8px;
  align-items: baseline;
  opacity: 0.6;
}

.milestone-entry .attempt-num {
  color: var(--text-muted);
  font-size: 0.7rem;
}

.milestone-entry .matched-part {
  color: var(--accent-green);
}

.milestone-entry .failed-char {
  color: var(--accent-red);
  text-decoration: line-through;
}


@keyframes slideIn {
  from { transform: translateY(-10px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}

.probability-explanation {
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--text-muted);
}

.probability-explanation .highlight {
  color: var(--accent-gold);
}

.probability-explanation .formula {
  color: var(--accent-blue);
  margin: 8px 0;
  display: block;
}

/* ===== COMPLETION OVERLAY ===== */
.completion-banner {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: rgba(10, 10, 20, 0.9);
  border: 2px solid var(--accent-green);
  border-radius: 12px;
  padding: 20px 40px;
  text-align: center;
  z-index: 10;
  animation: fadeSlideUp 0.4s ease-out;
}

.completion-banner h2 {
  color: var(--accent-green);
  font-size: 1.4rem;
  margin-bottom: 8px;
}

.completion-banner p {
  color: var(--text-muted);
  font-size: 0.85rem;
}

@keyframes fadeSlideUp {
  from { transform: translate(-50%, -40%); opacity: 0; }
  to { transform: translate(-50%, -50%); opacity: 1; }
}

/* ===== NEW RECORD BADGE ===== */
.record-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--accent-gold);
  color: var(--bg-dark);
  font-size: 0.7rem;
  font-weight: bold;
  padding: 4px 10px;
  border-radius: 4px;
  animation: fadeSlideUp 0.3s ease-out;
  z-index: 5;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 800px) {
  .dashboard {
    grid-template-columns: 1fr;
  }

  .stage {
    flex-direction: column;
    gap: 20px;
  }
}

@media (max-width: 500px) {
  body { padding: 12px; }

  header h1 { font-size: 1.1rem; letter-spacing: 2px; }

  .controls { flex-direction: column; align-items: stretch; }

  #target-input { width: 100%; }

  .monkey { display: none; }

  .target-display { font-size: 1.5rem; }

  .typing-window { height: 38px; }
  .typing-char { font-size: 1.2rem; }

  .stats-bar { gap: 4px; padding: 8px; }

  .stat-value { font-size: 0.9rem; }
}