@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Roboto+Mono:wght@400;500&display=swap');

:root {
  --bg-color: #323437;
  --main-color: #e2b714;
  --caret-color: #e2b714;
  --sub-color: #646669;
  --text-color: #d1d0c5;
  --error-color: #ca4754;
  --error-extra-color: #7e2a33;
  --colorful-error-color: #ca4754;
  --colorful-error-extra-color: #7e2a33;
  --font-family: 'Roboto Mono', monospace;
  --ui-font-family: 'Inter', sans-serif;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: var(--ui-font-family);
  height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

.container {
  width: 100%;
  max-width: 1200px;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  height: 100%;
}

/* Header & Navigation */
header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.logo {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo span {
  color: var(--main-color);
}

.nav-buttons {
  display: flex;
  gap: 1rem;
}

.nav-btn {
  background: none;
  border: none;
  color: var(--sub-color);
  font-family: var(--ui-font-family);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: color 0.2s;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

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

.nav-btn.active {
  color: var(--main-color);
}

/* Setup Container (Mode Selection) */
#setup-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 2rem;
}

.mode-cards {
  display: flex;
  gap: 2rem;
}

.mode-card {
  background-color: rgba(100, 102, 105, 0.1);
  border: 2px solid transparent;
  border-radius: 1rem;
  padding: 2rem;
  width: 300px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 1rem;
}

.mode-card:hover {
  border-color: var(--sub-color);
  transform: translateY(-5px);
}

.mode-card.active {
  border-color: var(--main-color);
  background-color: rgba(226, 183, 20, 0.05);
}

.mode-card i {
  font-size: 3rem;
  color: var(--main-color);
}

.mode-card h3 {
  font-size: 1.5rem;
}

.mode-card p {
  color: var(--sub-color);
  font-size: 0.9rem;
}

.ielts-options {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
}

.ielts-options.visible {
  opacity: 1;
  pointer-events: all;
}

.option-btn {
  background-color: rgba(100, 102, 105, 0.2);
  border: none;
  color: var(--sub-color);
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  font-family: var(--ui-font-family);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
}

.option-btn:hover {
  color: var(--text-color);
  background-color: rgba(100, 102, 105, 0.4);
}

.option-btn.active {
  color: var(--bg-color);
  background-color: var(--main-color);
}

.start-btn {
  background-color: var(--main-color);
  color: var(--bg-color);
  border: none;
  padding: 1rem 3rem;
  font-size: 1.25rem;
  font-weight: 600;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: transform 0.2s, opacity 0.2s;
  margin-top: 2rem;
  font-family: var(--ui-font-family);
}

.start-btn:hover {
  transform: scale(1.05);
}

.start-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Typing Container */
#typing-container {
  display: none;
  flex-direction: column;
  flex: 1;
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
  width: 100%;
}

#typing-container.active {
  display: flex;
}

.stats {
  display: flex;
  justify-content: flex-start;
  gap: 2rem;
  margin-bottom: 1rem;
  font-family: var(--font-family);
  font-size: 1.5rem;
  color: var(--main-color);
}

.text-info {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
  padding: 1rem;
  background-color: rgba(100, 102, 105, 0.1);
  border-radius: 0.5rem;
  font-family: var(--ui-font-family);
  width: 100%;
}

.text-info.hidden {
  display: none;
}

.info-task {
  background-color: var(--main-color);
  color: var(--bg-color);
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  font-weight: 600;
  font-size: 0.9rem;
}

.info-type {
  color: var(--text-color);
  font-weight: 500;
  text-transform: capitalize;
}

.info-topic {
  color: var(--sub-color);
  font-size: 0.9rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.typing-area-wrapper {
  position: relative;
  width: 100%;
  flex: 1;
}

#words {
  font-family: var(--font-family);
  font-size: 1.75rem;
  line-height: 1.5;
  color: var(--sub-color);
  user-select: none;
  outline: none;
  position: relative;
  /* Removed max-height and overflow to prevent layout issues */
}

.word {
  margin: 0 0.3em;
  display: inline-block;
}

.letter {
  transition: color 0.1s;
  color: var(--sub-color); /* Explicitly set color instead of inheriting */
  opacity: 1 !important;
  visibility: visible !important;
}

.letter.correct {
  color: var(--text-color);
}

.letter.incorrect {
  color: var(--error-color);
}

.letter.incorrect.extra {
  color: var(--error-extra-color);
}

#caret {
  width: 2px;
  height: 2rem;
  background-color: var(--caret-color);
  position: absolute;
  top: 0;
  left: 0;
  transition: top 0.1s, left 0.1s;
  animation: blink 1s infinite;
  border-radius: 2px;
  z-index: 10;
}

#caret.hidden {
  display: none;
}

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

#hidden-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: default;
  z-index: -1;
}

.restart-btn {
  align-self: center;
  margin-top: 3rem;
  background: none;
  border: none;
  color: var(--sub-color);
  font-size: 1.5rem;
  cursor: pointer;
  transition: color 0.2s, transform 0.2s;
}

.restart-btn:hover {
  color: var(--text-color);
  transform: rotate(90deg);
}

.blur-warning {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: rgba(50, 52, 55, 0.4);
  backdrop-filter: blur(4px);
  color: var(--main-color);
  font-size: 1.5rem;
  font-weight: bold;
  z-index: 20;
  cursor: pointer;
  border-radius: 1rem;
}

.blur-warning.hidden {
  display: none;
}

/* Results Container */
#results-container {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  flex: 1;
  gap: 3rem;
}

#results-container.active {
  display: flex;
}

.results-stats {
  display: flex;
  gap: 4rem;
}

.stat-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.stat-title {
  color: var(--sub-color);
  font-size: 1.5rem;
}

.stat-value {
  color: var(--main-color);
  font-size: 4rem;
  font-weight: 600;
  font-family: var(--font-family);
}

.stat-sub {
  color: var(--sub-color);
  font-size: 1rem;
}

.action-buttons {
  display: flex;
  gap: 1.5rem;
}

.action-btn {
  background: none;
  border: 2px solid var(--sub-color);
  color: var(--text-color);
  padding: 0.75rem 2rem;
  border-radius: 0.5rem;
  font-size: 1.1rem;
  cursor: pointer;
  transition: all 0.2s;
  font-family: var(--ui-font-family);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.action-btn:hover {
  border-color: var(--text-color);
}

.action-btn.primary {
  background-color: var(--sub-color);
  color: var(--bg-color);
  border-color: var(--sub-color);
}

.action-btn.primary:hover {
  background-color: var(--text-color);
  border-color: var(--text-color);
}

/* Footer */
footer {
  text-align: center;
  padding: 1rem;
  color: var(--sub-color);
  font-size: 0.9rem;
}

footer a {
  color: var(--sub-color);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--main-color);
}

/* Loading Overlay */
#loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: var(--bg-color);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 100;
  transition: opacity 0.3s;
}

#loading-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.loader {
  border: 4px solid var(--sub-color);
  border-top: 4px solid var(--main-color);
  border-radius: 50%;
  width: 40px;
  height: 40px;
  animation: spin 1s linear infinite;
}

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