/* -----------------------------
CHARACTER FREQUENCY ANALYZER
----------------------------- */

.char-frequency {
  background: linear-gradient(135deg, #1e3c72, #2a5298);
  position: relative;
  overflow: hidden;
  padding: 50px 20px;
  border-radius: 20px;
  margin: 30px 0;
  text-align: center;
  color: #fff;
  box-shadow: 0 15px 35px rgba(0,0,0,0.3);
  font-family: 'Urbanist', sans-serif;
}

/* Floating animated shapes */
.char-frequency::before,
.char-frequency::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
}

.char-frequency::before {
  width: 200px;
  height: 200px;
  top: -50px;
  left: -50px;
  animation: float 8s ease-in-out infinite;
}

.char-frequency::after {
  width: 300px;
  height: 300px;
  bottom: -100px;
  right: -100px;
  animation: float 10s ease-in-out infinite;
  animation-delay: 4s;
}

@keyframes float {
  0%, 100% { transform: translateY(0) translateX(0); }
  50% { transform: translateY(30px) translateX(30px); }
}

/* Section titles */
.char-frequency .section-title {
  font-size: 2.2rem;
  margin-bottom: 10px;
  font-weight: 700;
}

.char-frequency .section-subtitle {
  font-size: 1rem;
  margin-bottom: 25px;
  color: #d1e0ff;
}

/* Textarea styling */
.char-frequency textarea {
  width: 100%;
  max-width: 700px;
  padding: 15px;
  font-size: 1rem;
  border-radius: 12px;
  border: 2px solid #fff;
  resize: vertical;
  margin-bottom: 15px;
  background: rgba(255,255,255,0.1);
  color: #fff;
  outline: none;
  transition: all 0.3s ease;
}

.char-frequency textarea:focus {
  background: rgba(255,255,255,0.2);
  border-color: #ff6b6b;
}

/* Buttons */
.char-frequency .buttons {
  display: flex;
  justify-content: center;
  gap: 15px;
  margin-bottom: 20px;
}

.char-frequency .btn {
  background: #ff6b6b;
  color: #fff;
  border: none;
  padding: 12px 25px;
  font-size: 1rem;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.3s ease;
}

.char-frequency .btn:hover {
  background: #ff8787;
  transform: translateY(-2px);
}

/* Frequency output cards */
.frequency-output {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  max-width: 700px;
  margin: 0 auto 25px auto;
}

.frequency-output .char-card {
  background: rgba(255,255,255,0.2);
  padding: 10px 15px;
  border-radius: 12px;
  font-weight: bold;
  min-width: 50px;
  text-align: center;
  transition: transform 0.2s ease, background 0.3s ease;
}

.frequency-output .char-card:hover {
  transform: scale(1.1);
  background: rgba(255,255,255,0.3);
}

/* Chart styling */
#frequencyChart {
  max-width: 700px;
  margin: 0 auto;
  background: rgba(255,255,255,0.05);
  padding: 15px;
  border-radius: 12px;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .char-frequency textarea {
    font-size: 0.95rem;
  }
  .char-frequency .section-title {
    font-size: 1.8rem;
  }
  #frequencyChart {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .char-frequency .btn {
    padding: 10px 18px;
    font-size: 0.9rem;
  }
  .frequency-output .char-card {
    min-width: 40px;
    padding: 8px 12px;
  }
}