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

body {
  font-family: "Roboto", sans-serif;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
  color: #333;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header */
.header {
  text-align: center;
  margin-bottom: 40px;
  color: white;
}

.logo {
  font-size: 2.5rem;
  font-weight: 300;
  margin-bottom: 8px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

.subtitle {
  font-size: 1.1rem;
  opacity: 0.9;
  font-weight: 300;
}

/* Main translator */
.translator {
  background: white;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.6);
  padding: 30px;
  flex: 1;
  position: relative;
  overflow: hidden;
}

.translator::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.8),
    transparent
  );
}

/* Language selector */
.language-selector {
  margin-bottom: 30px;
}

.language-pair {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.language-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 15px 25px;
  border: 2px solid #e0e0e0;
  background: linear-gradient(180deg, #fafafa 0%, #f0f0f0 100%);
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
  min-width: 120px;
}

.language-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.language-btn.active {
  border-color: #4285f4;
  background: linear-gradient(180deg, #4285f4 0%, #3367d6 100%);
  color: white;
  box-shadow: 0 4px 8px rgba(66, 133, 244, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.language-code {
  font-size: 1.2rem;
  font-weight: 500;
  margin-bottom: 4px;
}

.language-name {
  font-size: 0.9rem;
  opacity: 0.8;
}

.swap-btn {
  background: linear-gradient(180deg, #f8f9fa 0%, #e8eaed 100%);
  border: 2px solid #dadce0;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.3s ease;
  color: #5f6368;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

.swap-btn:hover {
  background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
  transform: rotate(180deg) scale(1.1);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.8);
}

/* Translation area */
.translation-area {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 30px;
  margin-bottom: 30px;
}

.input-panel,
.output-panel {
  background: linear-gradient(180deg, #fafafa 0%, #f5f5f5 100%);
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.1);
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 16px;
  background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
  border-bottom: 1px solid #e0e0e0;
  font-size: 0.9rem;
  font-weight: 500;
  color: #5f6368;
}

.clear-btn,
.copy-btn {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: #5f6368;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.clear-btn:hover,
.copy-btn:hover {
  background: rgba(95, 99, 104, 0.1);
  color: #333;
}

.text-container {
  position: relative;
  min-height: 60px; /* Minimum height for approximately 2 lines */
}

.text-input {
  width: 100%;
  min-height: 60px; /* Start with height of approximately 2 lines */
  height: auto; /* Allow height to be determined by content */
  border: none;
  padding: 16px;
  font-size: 1rem;
  font-family: inherit;
  resize: vertical; /* Allow vertical resizing */
  background: transparent;
  outline: none;
  line-height: 1.4; /* Set consistent line height */
}

.text-input::placeholder {
  color: #9aa0a6;
}

.text-output {
  width: 100%;
  height: 100%;
  padding: 16px;
  font-size: 1rem;
  overflow-y: auto;
  white-space: pre-wrap;
  word-break: break-word;
}

.text-output .placeholder {
  color: #9aa0a6;
  font-style: italic;
}

.character-count {
  position: absolute;
  bottom: 8px;
  right: 12px;
  font-size: 0.8rem;
  color: #9aa0a6;
  background: rgba(255, 255, 255, 0.8);
  padding: 2px 6px;
  border-radius: 4px;
}

/* Translate button */
.translate-button-container {
  display: flex;
  justify-content: center;
}

.translate-btn {
  background: linear-gradient(180deg, #4285f4 0%, #3367d6 100%);
  color: white;
  border: none;
  padding: 12px 40px;
  font-size: 1rem;
  font-weight: 500;
  border-radius: 24px;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 4px 8px rgba(66, 133, 244, 0.3),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
  min-width: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.translate-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, #5a9bf8 0%, #4285f4 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 12px rgba(66, 133, 244, 0.4),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

.translate-btn:active {
  transform: translateY(0);
}

.translate-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.loading-spinner {
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top: 2px solid white;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  display: none;
}

.translate-btn.loading .loading-spinner {
  display: block;
}

.translate-btn.loading .btn-text {
  display: none;
}

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

/* Footer */
.footer {
  text-align: center;
  margin-top: 40px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.9rem;
}

/* Responsive design */
@media (max-width: 768px) {
  .container {
    padding: 15px;
  }

  .translation-area {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .language-pair {
    gap: 10px; /* Reduced gap for mobile */
  }

  .language-btn {
    min-width: 80px; /* Smaller minimum width for mobile */
    padding: 12px 15px; /* Reduced padding for mobile */
  }

  .language-code {
    font-size: 1rem; /* Slightly smaller font */
  }

  .language-name {
    font-size: 0.8rem; /* Smaller language name */
  }

  .swap-btn {
    width: 40px; /* Smaller swap button */
    height: 40px;
  }

  .logo {
    font-size: 2rem;
  }

  .translator {
    padding: 20px;
  }
}