* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  user-select: none;
}

body {
  background: #121212;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-family: "Segoe UI", "SF Mono", "Fira Code", monospace;
  padding: 1.2rem;
}

.typing-app {
  max-width: 1100px;
  width: 100%;
  background: #1e1e1e;
  border-radius: 2rem;
  box-shadow:
    0 25px 45px rgba(0, 0, 0, 0.6),
    inset 0 1px 0 rgba(255, 255, 255, 0.03);
  overflow: hidden;
}

.header {
  background: #181818;
  padding: 1rem 2rem;
  border-bottom: 1px solid #2c2c2e;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.score-box {
  background: #0a0a0c;
  padding: 0.4rem 1.2rem;
  border-radius: 40px;
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-weight: bold;
}

.score-label {
  color: #9e9ea6;
  font-size: 0.8rem;
}

.score-value {
  color: #f0f0f0;
  font-size: 1.8rem;
  font-weight: 800;
  font-family: monospace;
}

.reset-score {
  background: #2c2c2e;
  border: none;
  color: #ccc;
  padding: 0.2rem 1rem;
  border-radius: 30px;
  font-family: inherit;
  font-size: 0.7rem;
  cursor: pointer;
  transition: 0.2s;
  margin-left: 0.5rem;
}

.reset-score:hover {
  background: #d95b4a;
  color: white;
}

.badge {
  background: #00000070;
  padding: 0.4rem 1.2rem;
  border-radius: 40px;
  font-size: 0.8rem;
  color: #c0c0cc;
}

.arena {
  padding: 2rem 2rem 0.8rem;
  background: #1c1c1e;
}

.phrase-card {
  background: #141416;
  border-radius: 1.5rem;
  padding: 2rem 1.5rem;
  border: 1px solid #2e2e32;
  box-shadow:
    inset 0 0 6px #00000044,
    0 6px 12px rgba(0, 0, 0, 0.3);
}

.challenge-text {
  font-family: "SF Mono", "Fira Code", monospace;
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.02em;
  word-break: break-word;
  white-space: pre-wrap;
  color: #5a5a62;
}

.char-correct {
  color: #d4ffd4;
  background: #2a6b3c;
  border-radius: 6px;
  display: inline-block;
}

.char-pending {
  color: #6e6e7a;
}

.char-error {
  color: #ffb4a2;
  background: #6b2a2a;
  border-radius: 6px;
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-decoration-color: #ff8a6f;
}

.char-active {
  background: #3a7ca5;
  color: white;
  border-radius: 8px;
  box-shadow: 0 0 0 2px #8abae6;
  display: inline-block;
}

.hidden-input {
  opacity: 0;
  position: absolute;
  left: -100vw;
  top: 0;
  width: 1px;
  height: 1px;
}

.control-bar {
  background: #0f0f11;
  border-radius: 1.2rem;
  padding: 1rem 1.5rem;
  margin: 1rem 2rem 1rem;
  border: 1px solid #38383c;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.info-message {
  font-family: monospace;
  font-size: 0.85rem;
  color: #b0b0bc;
  background: #05050555;
  padding: 0.4rem 1rem;
  border-radius: 40px;
}

.next-btn {
  background: #2c3e50;
  border: none;
  padding: 0.6rem 1.6rem;
  border-radius: 3rem;
  font-family: inherit;
  font-weight: bold;
  font-size: 0.9rem;
  color: #f0f0f0;
  cursor: pointer;
  transition: 0.2s;
}

.next-btn:hover {
  background: #446688;
  transform: scale(0.97);
}

.result-area {
  padding: 0.5rem 2rem 1.5rem;
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #aaa;
  gap: 1rem;
  flex-wrap: wrap;
}

.error-stats {
  background: #1a1a1c;
  padding: 0.3rem 1rem;
  border-radius: 2rem;
}

.footer {
  background: #141416;
  padding: 0.7rem;
  text-align: center;
  font-size: 0.7rem;
  color: #6a6a74;
  border-top: 1px solid #2b2b2f;
}

@media (max-width: 700px) {
  .challenge-text {
    font-size: 1.3rem;
  }
  .header {
    flex-direction: column;
    align-items: stretch;
  }
}