/* Reset and Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --primary-color: #2563eb;
  --secondary-color: #64748b;
  --accent-color: #3b82f6;
  --success-color: #10b981;
  --warning-color: #f59e0b;
  --error-color: #ef4444;
  --text-primary: #1f2937;
  --text-secondary: #6b7280;
  --text-light: #9ca3af;
  --bg-primary: #ffffff;
  --bg-secondary: #f9fafb;
  --bg-glass: rgba(255, 255, 255, 0.95);
  --border-color: #e5e7eb;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1);
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --transition: all 0.2s ease;
  --font-size-base: 1rem;
  --font-size-sm: 0.875rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
  min-height: 100vh;
  font-size: var(--font-size-base);
  overflow-x: hidden;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  position: relative;
}

/* Navigation Bar */
.navbar {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-brand .logo {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--primary-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
}

.nav-brand .logo i {
  font-size: 1.5rem;
}

.nav-menu {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary-color);
  background: var(--bg-secondary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-primary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: var(--border-radius);
}

.nav-toggle:hover {
  background: var(--bg-secondary);
}

/* Header Styles */
.header {
  background: var(--bg-secondary);
  padding: 3rem 0;
  margin-bottom: 2rem;
  text-align: center;
}

.header-content {
  max-width: 800px;
  margin: 0 auto;
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.subtitle {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  font-weight: 400;
}

/* Main Content */
.main-content {
  display: grid;
  gap: 2rem;
  grid-template-columns: 1fr;
}

/* Dictionary Flow Section */
.dictionary-flow-section {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.dictionary-flow-section::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(
    circle,
    rgba(102, 126, 234, 0.05) 0%,
    transparent 70%
  );
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0px) rotate(0deg);
  }
  50% {
    transform: translateY(-20px) rotate(180deg);
  }
}

.flow-container {
  max-width: 1000px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.flow-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2.5rem;
  text-align: center;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Progress Indicator */
.progress-indicator {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 2rem;
  margin-bottom: 3rem;
  padding: 1.5rem;
  background: var(--bg-secondary);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
}

.progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  opacity: 0.5;
  transition: var(--transition);
}

.progress-step.active {
  opacity: 1;
}

.progress-step.completed {
  opacity: 0.8;
}

.step-number {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 3px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  transition: var(--transition);
}

.progress-step.active .step-number {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  color: white;
  border-color: var(--primary-color);
  transform: scale(1.1);
}

.progress-step.completed .step-number {
  background: var(--success-color);
  color: white;
  border-color: var(--success-color);
}

.step-label {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--text-secondary);
  text-align: center;
  max-width: 160px;
}

.progress-step.active .step-label {
  color: var(--primary-color);
}

/* Flow Steps */
.flow-step {
  display: none;
  animation: fadeIn 0.5s ease-in-out;
}

.flow-step.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.step-content {
  max-width: 900px;
  margin: 0 auto;
}

.step-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-align: center;
}

.step-description {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  text-align: center;
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Language Grid */
.language-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.language-option {
  width: 200px;
  background: var(--bg-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.language-option:hover {
  border-color: var(--primary-color);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.language-option:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.language-option.selected {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  color: white;
  border-color: var(--primary-color);
  transform: scale(1.05);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.language-option.selected .lang-code,
.language-option.selected .lang-name {
  color: white !important;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.language-option.selected .lang-code {
  background: rgba(255, 255, 255, 0.2) !important;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.lang-code {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary-color);
  background: var(--bg-secondary);
  padding: 0.5rem 1rem;
  border-radius: var(--border-radius);
  min-width: 50px;
  text-align: center;
}

.lang-name {
  font-size: var(--font-size-base);
  font-weight: 600;
  color: var(--text-primary);
  text-align: center;
}

.audio-icon {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  color: var(--text-light);
  font-size: var(--font-size-sm);
  opacity: 0.7;
  transition: var(--transition);
}

.language-option:hover .audio-icon {
  opacity: 1;
  color: var(--primary-color);
}

/* Input Method Options */
.input-method-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin: 2.5rem 0;
}

.input-method-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 2.5rem 2rem;
  background: linear-gradient(
    135deg,
    var(--bg-primary),
    rgba(255, 255, 255, 0.9)
  );
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  cursor: pointer;
  transition: var(--transition);
  text-align: center;
  position: relative;
  overflow: hidden;
  min-height: 220px;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.input-method-option:hover {
  border-color: var(--accent-color);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.05),
    rgba(37, 99, 235, 0.05)
  );
}

.input-method-option.selected {
  border-color: var(--primary-color);
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  color: white;
  transform: translateY(-4px);
  box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
}

.input-method-option:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

.input-method-option i {
  font-size: 3.5rem;
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.input-method-option:hover i {
  transform: scale(1.1);
  color: var(--accent-color);
}

.input-method-option.selected i {
  color: white;
}

.method-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.method-description {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  font-weight: 400;
  line-height: 1.5;
}

.input-method-option.selected .method-title,
.input-method-option.selected .method-description {
  color: white;
  font-weight: 700;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.input-method-option .audio-icon {
  position: absolute;
  top: 1rem;
  right: 1rem;
  color: var(--text-light);
  font-size: var(--font-size-base);
  opacity: 0;
  transition: var(--transition);
}

.input-method-option:hover .audio-icon {
  opacity: 1;
}

.input-method-option.selected .audio-icon {
  color: rgba(255, 255, 255, 0.8);
}

/* Voice Input Layout */
.voice-input-container {
  margin: 2rem 0;
}

.voice-input-wrapper {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.voice-input-display {
  width: 100%;
  max-width: 500px;
  background: linear-gradient(
    135deg,
    var(--bg-primary),
    rgba(255, 255, 255, 0.9)
  );
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.voice-status {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
}

.voice-status i {
  font-size: 3rem;
  color: var(--primary-color);
  transition: var(--transition);
}

.voice-status.recording i {
  color: var(--error-color);
  animation: pulse 1.5s infinite;
}

.voice-status.processing i {
  color: var(--warning-color);
  animation: spin 1s linear infinite;
}

.voice-status.success i {
  color: var(--success-color);
}

.voice-result {
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  padding: 1.5rem;
  margin-top: 1rem;
}

.voice-label {
  display: block;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.voice-content {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--text-primary);
}

.voice-controls {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  justify-content: center;
}

.voice-toggle-btn,
.voice-search-btn,
.voice-clear-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  border: none;
  border-radius: var(--border-radius-lg);
  font-size: var(--font-size-base);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  min-width: 150px;
  justify-content: center;
}

.voice-toggle-btn {
  background: linear-gradient(135deg, var(--success-color), #059669);
  color: white;
}

.voice-toggle-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.voice-toggle-btn.recording {
  background: linear-gradient(135deg, var(--error-color), #dc2626);
  animation: pulse 1.5s infinite;
}

.voice-search-btn {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  color: white;
}

.voice-search-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.voice-clear-btn {
  background: linear-gradient(135deg, var(--secondary-color), #64748b);
  color: white;
}

.voice-clear-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

@keyframes pulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

@keyframes spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.language-option.selected .audio-icon {
  color: white;
  opacity: 1;
}

/* Selected Language Info */
.selected-source-lang,
.translation-info {
  background: var(--bg-secondary);
  padding: 1rem 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 2rem;
  text-align: center;
  border-left: 4px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.selected-source-lang span,
.translation-info span {
  color: var(--text-secondary);
  font-size: var(--font-size-lg);
}

.selected-source-lang strong,
.translation-info strong {
  color: var(--primary-color);
  font-weight: 700;
}

/* Step Actions */
.step-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.back-btn {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.75rem 1.5rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.back-btn:hover:not(:disabled) {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.back-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.step-instructions {
  text-align: right;
}

.step-instructions p {
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
  margin: 0;
}

.step-instructions kbd {
  background: var(--text-primary);
  color: white;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  font-family: monospace;
  font-weight: 600;
  font-size: 0.75rem;
  margin: 0 0.25rem;
  box-shadow: var(--shadow-sm);
}

/* Language Selection */
.language-selection {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: end;
  margin-bottom: 2.5rem;
}

.language-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.language-label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--font-size-lg);
}

.language-select {
  padding: 1rem 1.5rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-lg);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: var(--transition);
  cursor: pointer;
  box-shadow: var(--shadow-sm);
}

.language-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  transform: translateY(-2px);
}

.swap-button-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
}

.swap-button {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  color: white;
  border: none;
  border-radius: 50%;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.5rem;
  box-shadow: var(--shadow-md);
}

.swap-button:hover {
  transform: scale(1.1) rotate(180deg);
  box-shadow: var(--shadow-lg);
}

.swap-button:active {
  transform: scale(0.95);
}

/* Search Input */
.search-input-container {
  display: flex;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

.search-input-wrapper {
  flex: 1;
  position: relative;
  display: flex;
}

.search-input {
  flex: 1;
  padding: 1.25rem 2rem;
  border: 2px solid var(--border-color);
  border-radius: var(--border-radius);
  font-size: var(--font-size-lg);
  background: var(--bg-primary);
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
  transform: translateY(-2px);
}

.search-button {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  color: white;
  border: none;
  border-radius: 8px;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.2rem;
  box-shadow: var(--shadow-sm);
}

.search-button:hover {
  transform: translateY(-50%) scale(1.05);
  box-shadow: var(--shadow-md);
}

.voice-button {
  background: linear-gradient(135deg, var(--success-color), #38a169);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 1.25rem 2rem;
  font-size: var(--font-size-lg);
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-width: 150px;
  justify-content: center;
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

.voice-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.voice-button:active {
  transform: translateY(0);
}

/* Quick Search */
.quick-search {
  margin-top: 2rem;
}

.quick-search h3 {
  font-size: var(--font-size-xl);
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.quick-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.quick-btn {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 2px solid var(--border-color);
  border-radius: 25px;
  padding: 0.75rem 1.5rem;
  font-size: var(--font-size-base);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
}

.quick-btn:hover {
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--accent-color)
  );
  color: white;
  border-color: transparent;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Results Section */
.results-section {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

.results-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--success-color),
    var(--primary-color)
  );
}

.results-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2rem;
  background: linear-gradient(
    135deg,
    var(--success-color),
    var(--primary-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.results-content {
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  padding: 2rem;
  border-left: 4px solid var(--success-color);
  box-shadow: var(--shadow-sm);
}

.word-result {
  margin-bottom: 2rem;
  background: var(--bg-primary);
  border-radius: var(--border-radius);
  padding: 0;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.dictionary-entry {
  padding: 1.5rem;
}

.word-result:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.word-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.audio-buttons {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pronunciation {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  font-style: italic;
  margin-bottom: 1.5rem;
  font-weight: 500;
}

.definitions {
  margin-bottom: 1.5rem;
}

.definition-item {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  border-left: 4px solid var(--success-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.part-of-speech {
  font-size: var(--font-size-sm);
  color: var(--primary-color);
  font-weight: 600;
  background: rgba(37, 99, 235, 0.1);
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  margin-bottom: 0.5rem;
  display: inline-block;
}

.definition-item:hover {
  transform: translateX(5px);
  box-shadow: var(--shadow-md);
}

.definition-text {
  font-size: var(--font-size-lg);
  color: var(--text-primary);
  margin-bottom: 0.75rem;
  line-height: 1.7;
  font-weight: 500;
}

.definition-example {
  font-size: var(--font-size-base);
  color: var(--text-secondary);
  line-height: 1.6;
  margin-top: 0.5rem;
  padding: 0.75rem;
  background: rgba(59, 130, 246, 0.05);
  border-radius: 6px;
  border-left: 3px solid var(--primary-color);
}

.example-label {
  font-weight: 600;
  color: var(--primary-color);
}

.example-text {
  font-style: italic;
  color: var(--text-primary);
}

/* Cambridge Dictionary Style */
.word-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid var(--border-color);
}

.headword {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  cursor: pointer;
  transition: var(--transition);
}

.headword:hover {
  color: var(--primary-color);
}

.headword.copied {
  color: var(--success-color);
}

.phonetics {
  font-size: var(--font-size-lg);
  color: var(--text-secondary);
  font-family: 'Courier New', monospace;
  font-weight: 500;
}

.word-definitions {
  margin-top: 1rem;
}

.pos-section {
  margin-bottom: 2rem;
}

.pos-label {
  display: inline-block;
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--primary-color);
  background: rgba(37, 99, 235, 0.1);
  padding: 0.25rem 0.75rem;
  border-radius: 20px;
  margin-bottom: 1rem;
  text-transform: lowercase;
  font-style: italic;
}

.definition-list {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: definition-counter;
}

.definition-list .definition-item {
  counter-increment: definition-counter;
  margin-bottom: 1.5rem;
  padding-left: 2rem;
  position: relative;
}

.definition-list .definition-item::before {
  content: counter(definition-counter);
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--primary-color);
  font-size: var(--font-size-sm);
  background: rgba(37, 99, 235, 0.1);
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.definition-text {
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.examples {
  margin-top: 0.75rem;
  padding-left: 1rem;
  border-left: 3px solid rgba(37, 99, 235, 0.2);
}

.example-pair {
  margin-bottom: 0.5rem;
  padding: 0.5rem;
  background: rgba(37, 99, 235, 0.05);
  border-radius: 4px;
}

.example-source {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  font-size: var(--font-size-sm);
}

.example-target {
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.example-source::before {
  content: "";
  margin-right: 0;
}

.example-target::before {
  content: "";
  margin-right: 0;
}

/* Legacy support for existing classes */
.example-en {
  font-style: italic;
  color: var(--text-secondary);
  margin-bottom: 0.25rem;
  font-size: var(--font-size-sm);
}

.example-vi {
  color: var(--text-primary);
  font-size: var(--font-size-sm);
}

.example-en::before {
  content: "🇺🇸 ";
  margin-right: 0.25rem;
}

.example-vi::before {
  content: "🇻🇳 ";
  margin-right: 0.25rem;
}

/* Japanese Info */
.japanese-info {
  margin: 0.25rem 0;
}

.kanji {
  font-family: "Noto Sans CJK JP", "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: var(--font-size-base);
  color: var(--text-primary);
  background: rgba(255, 193, 7, 0.1);
  padding: 0.125rem 0.25rem;
  border-radius: 3px;
  margin-right: 0.5rem;
}

.kana {
  font-family: "Noto Sans CJK JP", "Yu Gothic", "Hiragino Sans", sans-serif;
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  background: rgba(156, 39, 176, 0.1);
  padding: 0.125rem 0.25rem;
  border-radius: 3px;
}

/* Word Metadata */
.word-metadata {
  background: rgba(59, 130, 246, 0.05);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: var(--border-radius);
  padding: 1rem;
  margin-bottom: 1.5rem;
}

.metadata-item {
  margin-bottom: 0.5rem;
  font-size: var(--font-size-sm);
  line-height: 1.5;
}

.metadata-item:last-child {
  margin-bottom: 0;
}

.metadata-item strong {
  color: var(--primary-color);
  font-weight: 600;
}

/* Category Sections */
.category-section {
  margin-bottom: 2rem;
}

.category-label {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(37, 99, 235, 0.2);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.category-label::before {
  content: "📚";
  font-size: var(--font-size-base);
}

.category-section .category-label[data-category="idiom"]::before {
  content: "🎭";
}

.category-section .category-label[data-category="proverb"]::before {
  content: "📜";
}

.category-section .category-label[data-category="phrase"]::before {
  content: "🔗";
}

.audio-button {
  background: linear-gradient(135deg, var(--success-color), #38a169);
  color: white;
  border: none;
  border-radius: 50%;
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1.2rem;
  box-shadow: var(--shadow-sm);
}

.audio-button:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-md);
}

.read-result-button {
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 0.5rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  transition: var(--transition);
  font-size: var(--font-size-sm);
  font-weight: 500;
  box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

.read-result-button:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  background: linear-gradient(135deg, var(--accent-color), var(--primary-color));
}

.read-result-button:active {
  transform: translateY(0);
}

.read-result-button i {
  font-size: 1rem;
}

.read-result-button span {
  font-size: var(--font-size-sm);
}

/* History Section */
.history-section {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-xl);
  position: relative;
  overflow: hidden;
}

/* Audio Section */
.audio-section {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.audio-player-container {
  margin: 1rem 0;
  width: 100%;
}

.history-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    var(--warning-color),
    var(--primary-color)
  );
}

.history-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2rem;
  background: linear-gradient(
    135deg,
    var(--warning-color),
    var(--primary-color)
  );
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.history-list {
  max-height: 400px;
  overflow-y: auto;
  padding-right: 0.5rem;
}

.history-list::-webkit-scrollbar {
  width: 6px;
}

.history-list::-webkit-scrollbar-track {
  background: var(--bg-secondary);
  border-radius: 3px;
}

.history-list::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 3px;
}

.history-item {
  background: var(--bg-secondary);
  padding: 1.5rem;
  border-radius: var(--border-radius);
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
  border-left: 4px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
}

.history-item:hover {
  background: var(--bg-primary);
  transform: translateX(8px);
  box-shadow: var(--shadow-md);
}

.history-word {
  font-weight: 600;
  color: var(--text-primary);
  font-size: var(--font-size-lg);
}

.history-languages {
  font-size: var(--font-size-sm);
  color: var(--text-secondary);
  font-weight: 500;
}

.no-history {
  text-align: center;
  color: var(--text-light);
  font-style: italic;
  padding: 3rem;
  font-size: var(--font-size-lg);
}

.clear-history-btn {
  background: linear-gradient(135deg, var(--error-color), #c53030);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  padding: 1rem 2rem;
  cursor: pointer;
  transition: var(--transition);
  font-size: var(--font-size-base);
  font-weight: 600;
  margin-top: 1.5rem;
  box-shadow: var(--shadow-sm);
}

.clear-history-btn:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Control Panel */
.control-panel {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  background: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.75rem;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: var(--transition);
}

.control-panel:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
}

.control-buttons {
  display: flex;
  gap: 0.5rem;
}

.control-btn {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  padding: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  font-size: var(--font-size-sm);
}

.control-btn:hover {
  background: var(--primary-color);
  color: white;
  border-color: var(--primary-color);
  transform: scale(1.05);
}

.control-btn:active {
  transform: scale(0.95);
}

.control-btn i {
  font-size: 1rem;
}

/* Footer */
.footer {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  margin-top: 3rem;
  padding: 2rem 0;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.accessibility-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: var(--font-size-sm);
}

.accessibility-info i {
  color: var(--primary-color);
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  backdrop-filter: blur(5px);
}

.modal-content {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  max-width: 500px;
  width: 90%;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: var(--shadow-xl);
  animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
  font-size: var(--font-size-2xl);
  font-weight: 600;
  color: var(--text-primary);
}

.close-btn {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: var(--transition);
}

.close-btn:hover {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

.shortcut-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.shortcut-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--bg-secondary);
  border-radius: var(--border-radius);
  border-left: 4px solid var(--primary-color);
}

.shortcut-item kbd {
  background: var(--text-primary);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  font-family: monospace;
  font-weight: 600;
  min-width: 80px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.shortcut-item span {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Loading Overlay */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  backdrop-filter: blur(5px);
}

.loading-spinner {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-xl);
}

.loading-spinner i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.loading-spinner p {
  color: var(--text-primary);
  font-weight: 500;
  font-size: var(--font-size-lg);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    padding: 0 15px;
  }

  .header-content {
    flex-direction: column;
    gap: 1rem;
  }

  .header-left,
  .header-right {
    flex: none;
  }

  .header-center {
    flex: none;
  }

  .logo {
    font-size: var(--font-size-2xl);
  }

  /* Flow responsive */
  .progress-indicator {
    flex-direction: column;
    gap: 1rem;
  }

  .progress-step {
    flex-direction: row;
    gap: 1rem;
  }

  .step-label {
    max-width: none;
    text-align: left;
  }

  .language-grid {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
  }

  .language-option {
    padding: 1rem;
  }

  .step-actions {
    flex-direction: column;
    gap: 1rem;
    align-items: stretch;
  }

  .step-instructions {
    text-align: center;
  }

  .search-input-container {
    flex-direction: column;
  }

  .voice-button {
    width: 100%;
  }

  .quick-buttons {
    justify-content: center;
  }

  .history-item {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .control-panel {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
  }

  .control-buttons {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .dictionary-flow-section,
  .results-section {
    padding: 1.5rem;
  }

  .logo {
    font-size: var(--font-size-xl);
  }

  .flow-title,
  .results-title {
    font-size: var(--font-size-2xl);
  }

  .language-grid {
    grid-template-columns: 1fr;
  }

  .step-title {
    font-size: var(--font-size-xl);
  }

  .control-btn {
    min-width: 50px;
    padding: 0.5rem;
  }

  .control-btn span {
    font-size: 0.75rem;
  }
}

/* Accessibility Improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --bg-glass: white;
    --text-primary: #000;
    --text-secondary: #333;
    --border-color: #000;
  }

  .search-section,
  .results-section,
  .history-section,
  .header,
  .footer {
    border: 2px solid #000;
  }
}

/* Focus indicators for keyboard navigation */
button:focus,
input:focus,
select:focus {
  outline: 3px solid var(--primary-color);
  outline-offset: 2px;
}

/* Screen reader only text */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Text size controls */
body.text-small {
  --font-size-base: 0.75rem;
  --font-size-sm: 0.625rem;
  --font-size-lg: 0.875rem;
  --font-size-xl: 1rem;
  --font-size-2xl: 1.125rem;
  --font-size-3xl: 1.25rem;
  --font-size-4xl: 1.5rem;
}

body.text-large {
  --font-size-base: 1.25rem;
  --font-size-sm: 1.125rem;
  --font-size-lg: 1.375rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 1.875rem;
  --font-size-3xl: 2.25rem;
  --font-size-4xl: 3rem;
}

body.text-extra-large {
  --font-size-base: 1.5rem;
  --font-size-sm: 1.25rem;
  --font-size-lg: 1.75rem;
  --font-size-xl: 2rem;
  --font-size-2xl: 2.25rem;
  --font-size-3xl: 2.75rem;
  --font-size-4xl: 3.5rem;
}

body.text-huge {
  --font-size-base: 1.875rem;
  --font-size-sm: 1.5rem;
  --font-size-lg: 2.25rem;
  --font-size-xl: 2.5rem;
  --font-size-2xl: 3rem;
  --font-size-3xl: 3.5rem;
  --font-size-4xl: 4rem;
}

body.text-giant {
  --font-size-base: 2.25rem;
  --font-size-sm: 1.875rem;
  --font-size-lg: 2.75rem;
  --font-size-xl: 3rem;
  --font-size-2xl: 3.5rem;
  --font-size-3xl: 4rem;
  --font-size-4xl: 4.5rem;
}

/* Simple loading overlay - like home to dictionary transition */
.loading-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #f8f9fa;
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  animation: fadeIn 0.2s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.loading-content {
  text-align: center;
  padding: 2rem;
  color: #495057;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  max-width: 300px;
  width: 90%;
}

.loading-spinner {
  margin-bottom: 1rem;
}

.loading-spinner i {
  font-size: 2rem;
  color: #007bff;
  animation: spin 1s linear infinite;
}

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

.loading-content h3 {
  margin-bottom: 0.5rem;
  color: #212529;
  font-size: 1.1rem;
  font-weight: 500;
}

.loading-content p {
  color: #6c757d;
  font-size: 0.9rem;
}

/* Legacy loading results styling (for no results case) */
.loading-results {
  text-align: center;
  padding: 2rem;
  color: #666;
}

/* No results styling */
.no-results {
  text-align: center;
  padding: 2rem;
  color: #666;
}

.no-results i {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: #ccc;
}

.no-results h3 {
  margin-bottom: 0.5rem;
  color: #333;
}

.no-results p {
  color: #666;
  font-size: 0.9rem;
}