/* Base styles for the spelling practice website */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.5;
  background: linear-gradient(135deg, #f8fcff 0%, #e1effa 100%);
  color: #333;
  min-height: 100vh;
}

/* Utility classes */
.hidden {
  display: none !important;
}

.section {
  width: 100%;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.title {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  color: #246;
  text-align: center;
}

.home-title {
  display: flex;
  align-items: center;
}

.subtitle {
  font-size: 1rem;
  color: #555;
  margin-bottom: 1.5rem;
  text-align: center;
}

.primary {
  background-color: #5A8DEE;
  color: white;
  border: none;
  padding: 0.6rem 1.2rem;
  border-radius: 0.4rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.primary:hover {
  background-color: #4576c1;
}

.secondary {
  background-color: #fff;
  color: #5A8DEE;
  border: 2px solid #5A8DEE;
  padding: 0.6rem 1.2rem;
  border-radius: 0.4rem;
  font-size: 1rem;
  cursor: pointer;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.secondary:hover {
  background-color: #5A8DEE;
  color: #fff;
}

.small {
  font-size: 0.8rem;
  padding: 0.4rem 0.8rem;
}

.login-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

input[type="text"] {
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 0.4rem;
  font-size: 1rem;
  width: 6rem;
  text-transform: uppercase;
  text-align: center;
}

input[type="text"]:focus {
  outline: none;
  border-color: #5A8DEE;
  box-shadow: 0 0 0 2px rgba(90, 141, 238, 0.2);
}

/* Info box for new code */
.info-box {
  background-color: #eef6ff;
  border: 1px solid #c9e4ff;
  border-radius: 0.4rem;
  padding: 1rem;
  margin-top: 1rem;
  text-align: center;
}

/* Home section styles */
.home-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.avatar-display {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid #5A8DEE;
  background-color: #fff;
}

.avatar-display img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.progress-container {
  width: 100%;
  margin-bottom: 2rem;
}

.progress-bar {
  width: 100%;
  background-color: #e5eef8;
  border-radius: 0.4rem;
  overflow: hidden;
  height: 1rem;
}

#progress-inner {
  height: 100%;
  width: 0%;
  background-image: linear-gradient(90deg, #5A8DEE, #8bc5ff);
  transition: width 0.5s ease;
}

.progress-text {
  margin-top: 0.4rem;
  font-size: 0.9rem;
  text-align: right;
  color: #555;
}

.home-buttons {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  width: 100%;
}

/* Practice section */
.practice-content {
  width: 100%;
  max-width: 600px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

.word-number {
  align-self: flex-start;
  font-size: 0.9rem;
  color: #888;
}

.prompt-text {
  margin-top: 1rem;
  margin-bottom: 1rem;
  text-align: center;
  font-weight: 600;
  color: #246;
}

.audio-buttons {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.input-group {
  display: flex;
  gap: 0.5rem;
  width: 100%;
}

#word-input {
  flex-grow: 1;
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 0.4rem;
  font-size: 1rem;
}

.feedback {
  padding: 1rem;
  border-radius: 0.4rem;
  font-size: 1rem;
  width: 100%;
  text-align: center;
}

.feedback.correct {
  background-color: #e0f8e9;
  border: 1px solid #a8e4b5;
  color: #2e783c;
}

.feedback.incorrect {
  background-color: #fde8e8;
  border: 1px solid #f5bcbc;
  color: #c44343;
}

.study-section {
  background-color: #f7fafe;
  border: 1px solid #d3e6fb;
  border-radius: 0.4rem;
  padding: 1rem;
  width: 100%;
}

.study-section p {
  margin-bottom: 0.8rem;
  color: #333;
}

.study-section h3 {
  margin-bottom: 0.5rem;
  color: #246;
}

/* Achievements section */
.achievement-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-top: 2rem;
}

.achievement-item {
  width: 120px;
  height: 150px;
  background-color: #fff;
  border: 2px solid #e5eef8;
  border-radius: 0.6rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.5rem;
  transition: transform 0.2s ease, border-color 0.2s ease;
  cursor: pointer;
}

.achievement-item.locked {
  opacity: 0.5;
  cursor: default;
}

.achievement-item.unlocked:hover {
  transform: translateY(-4px);
  border-color: #5A8DEE;
}

/* Cloze sentence displayed during practice to help students guess the word */
.cloze-sentence {
  margin-top: 1rem;
  font-size: 1.1rem;
  text-align: center;
  font-style: italic;
  color: #4a4a4a;
}

.achievement-item img {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  margin-bottom: 0.5rem;
  object-fit: cover;
}

.achievement-item span {
  font-size: 0.8rem;
  text-align: center;
}

/* Back button alignment */
.back-button {
  align-self: flex-start;
}