/* KeyRush Core Typing Experience Styles */

.kr-typing-wrapper {
  position: relative;
  width: 100%;
  max-width: 1060px;
  margin: 0 auto;
  user-select: none;
  cursor: text;
}

/* Hidden input captures keyboard without showing standard HTML input box */
.kr-hidden-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: default;
  z-index: 10;
  outline: none;
  border: none;
  background: transparent;
  pointer-events: auto;
}

/* Live Stats Bar */
.kr-live-stats {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding: 0.75rem 1.25rem;
  background: var(--kr-bg-surface);
  border: 1px solid var(--kr-border);
  border-radius: 12px;
  font-family: var(--kr-font-typing);
  transition: all 0.2s ease;
}

.kr-stat-item {
  display: flex;
  flex-direction: column;
}

.kr-stat-item-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--kr-text-muted);
}

.kr-stat-item-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--kr-text-main);
}

.kr-live-progress-bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--kr-accent-primary), var(--kr-accent-secondary));
  transition: width 0.1s linear;
  border-radius: 0 0 12px 12px;
}

/* Words Display Window */
.kr-words-viewport {
  position: relative;
  height: 148px; /* Shows 3 clean lines of words */
  overflow: hidden;
  mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 80%, transparent 100%);
}

.kr-words-container {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  font-family: var(--kr-font-typing);
  font-size: var(--kr-typing-font-size);
  line-height: 1.6;
  transition: transform 0.14s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

.kr-word {
  position: relative;
  display: inline-flex;
  white-space: nowrap;
  letter-spacing: 0.02em;
  transition: opacity 0.1s ease;
}

.kr-word-active {
  /* Subtle highlight or underline */
}

/* Character States */
.kr-char {
  color: var(--kr-char-pending);
  transition: color 0.05s ease;
}

.kr-char-correct {
  color: var(--kr-char-correct);
}

.kr-char-incorrect {
  color: var(--kr-char-incorrect);
  text-decoration: underline;
  text-decoration-color: var(--kr-char-incorrect);
  text-underline-offset: 4px;
}

.kr-char-extra {
  color: var(--kr-char-extra);
  opacity: 0.8;
}

.kr-char-missed {
  opacity: 0.4;
  text-decoration: line-through;
}

/* Custom Animated Caret Styles */
.kr-caret {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
  z-index: 5;
  transition: transform 0.075s cubic-bezier(0.2, 0.8, 0.2, 1), height 0.075s ease;
}

/* 1. Line Caret */
.kr-caret-line {
  width: 2.5px;
  background: var(--kr-caret-color);
  border-radius: 2px;
  box-shadow: 0 0 10px var(--kr-accent-glow);
  animation: kr-caret-pulse 1s infinite ease-in-out;
}

/* 2. Block Caret */
.kr-caret-block {
  width: 14px;
  background: var(--kr-caret-color);
  opacity: 0.35;
  border-radius: 2px;
  animation: kr-caret-blink 1s infinite steps(1);
}

/* 3. Underline Caret */
.kr-caret-underline {
  width: 14px;
  height: 3px !important;
  margin-top: 28px;
  background: var(--kr-caret-color);
  border-radius: 1px;
  box-shadow: 0 0 8px var(--kr-accent-glow);
}

/* 4. Pulse Caret */
.kr-caret-pulse {
  width: 3px;
  background: linear-gradient(to bottom, var(--kr-accent-primary), var(--kr-accent-secondary));
  border-radius: 2px;
  animation: kr-caret-glow 1.4s infinite alternate ease-in-out;
}

@keyframes kr-caret-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

@keyframes kr-caret-blink {
  0%, 49% { opacity: 0.45; }
  50%, 100% { opacity: 0; }
}

@keyframes kr-caret-glow {
  0% { box-shadow: 0 0 4px var(--kr-accent-glow); }
  100% { box-shadow: 0 0 16px var(--kr-accent-secondary); }
}

/* Controls Bar (Restart, Pause, Shortcut hint) */
.kr-typing-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-top: 2rem;
  color: var(--kr-text-muted);
  font-size: 0.85rem;
}

.kr-btn-restart {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.25rem;
  border-radius: 8px;
  background: var(--kr-bg-surface);
  border: 1px solid var(--kr-border);
  color: var(--kr-text-main);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
}

.kr-btn-restart:hover {
  background: var(--kr-bg-surface-elevated);
  border-color: var(--kr-border-highlight);
  color: var(--kr-accent-primary);
  transform: translateY(-1px);
}

.kr-kbd {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  font-family: var(--kr-font-typing);
  font-size: 0.75rem;
  background: var(--kr-bg-subtle);
  border: 1px solid var(--kr-border);
  border-radius: 4px;
  color: var(--kr-text-muted);
}

/* Countdown & Pause Overlays */
.kr-overlay-modal {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(9, 10, 16, 0.88);
  backdrop-filter: blur(8px);
  z-index: 20;
  border-radius: 16px;
  animation: fadeIn 0.2s ease;
}

.kr-countdown-number {
  font-size: 5rem;
  font-weight: 900;
  font-family: var(--kr-font-typing);
  background: linear-gradient(135deg, var(--kr-accent-primary), var(--kr-accent-secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: scaleBounce 0.6s ease;
}

@keyframes scaleBounce {
  0% { transform: scale(0.6); opacity: 0; }
  50% { transform: scale(1.2); opacity: 1; }
  100% { transform: scale(1); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}