/* Koesensei - Japanese TTS Studio CSS */
:root {
  /* Traditional Japanese Color Palette */
  --washi: #faf9f7;
  --sumi: #1a1a1a;
  --beni: #dc143c;
  --kon: #003f7f;
  --sakura: #ffc0cb;
  --matcha: #7cb342;
  --asagi: #33a1c9;
  --kinari: #ffeaa7;
  --shuiro: #d2691e;
  --murasaki: #6a4c93;
  --midori: #228b22;

  /* Enhanced Japanese-inspired Colors */
  --text-primary: var(--sumi);
  --text-secondary: #5a5a5a;
  --text-muted: #8e8e8e;
  --background: radial-gradient(
      circle at 20% 30%,
      rgba(255, 192, 203, 0.08) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(0, 63, 127, 0.06) 0%,
      transparent 50%
    ),
    linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
  --card-bg: rgba(255, 255, 255, 0.95);
  --primary: var(--kon);
  --primary-hover: #004080;
  --secondary: var(--beni);
  --accent: var(--sakura);
  --success: var(--matcha);
  --warning: var(--shuiro);
  --error: var(--beni);

  /* Enhanced Shadows for sleek design */
  --border: rgba(0, 0, 0, 0.08);
  --border-hover: rgba(0, 0, 0, 0.12);
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1),
    0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1),
    0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1),
    0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Japanese Typography */
  --font-jp: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", "Meiryo UI",
    system-ui, sans-serif;
  --font-title: "Noto Serif JP", "Yu Mincho", "Times New Roman", serif;
  --font-mono: "Source Code Pro", "Consolas", monospace;

  /* Spacing inspired by Japanese grid systems */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;

  /* Traditional Japanese Border Radius */
  --radius-sm: 0.5rem;
  --radius: 0.75rem;
  --radius-md: 1rem;
  --radius-lg: 1.25rem;
  --radius-xl: 2rem;

  /* Smooth Japanese-inspired Transitions */
  --transition-fast: 200ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition: 400ms cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: 600ms cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Layout */
  --header-height: 4.5rem;
  --container-max: 75rem;
}

/* Enhanced Base Reset */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-jp);
  color: var(--text-primary);
  background: var(--background);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
  font-feature-settings: "kern" 1, "liga" 1, "palt" 1;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-weight: 400;
}

/* Cherry Blossom Particles */
.sakura-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  overflow: hidden;
}

.sakura-petal {
  position: absolute;
  width: 10px;
  height: 10px;
  background: radial-gradient(
    ellipse at center,
    #ffb7c5 0%,
    #ffc0cb 50%,
    transparent 100%
  );
  border-radius: 50% 0 50% 0;
  animation: sakuraFall linear infinite;
  opacity: 0.7;
}

@keyframes sakuraFall {
  0% {
    transform: translateY(-100vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(100vh) rotate(360deg);
    opacity: 0;
  }
}

/* Japanese Pattern Overlay */
.pattern-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23dc143c' fill-opacity='0.02'%3E%3Ccircle cx='30' cy='30' r='2'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E"),
    radial-gradient(
      circle at 20% 30%,
      rgba(220, 20, 60, 0.05) 0%,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 70%,
      rgba(0, 63, 127, 0.03) 0%,
      transparent 50%
    );
  z-index: -1;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-4);
}

/* Main Content */
.main {
  padding: var(--space-8) 0;
  min-height: calc(100vh - var(--header-height) - 100px);
}

/* FIXED: Restored Grid Layout System */
.app-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
  max-width: 1400px;
  margin: 0 auto;
}

.grid-column {
  display: flex;
  flex-direction: column;
  height: fit-content;
}

.left-column {
  /* Ensures left column content */
}

.right-column {
  /* Ensures right column content */
}

/* Enhanced Typography */
h1 {
  font-size: 2.25rem;
  font-weight: 800;
  line-height: 1.2;
}
h2 {
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.3;
}
h3 {
  font-size: 1.5rem;
  font-weight: 600;
  line-height: 1.4;
}

h1,
h2,
h3 {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--space-6);
}

/* Enhanced Header */
.header {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  height: var(--header-height);
  display: flex;
  align-items: center;
  box-shadow: var(--shadow-sm);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Japanese-inspired Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  transition: var(--transition);
  padding: var(--space-2);
  border-radius: var(--radius);
  position: relative;
}

.logo:hover {
  transform: translateY(-1px);
  background: rgba(0, 63, 127, 0.05);
}

.logo-icon {
  font-family: var(--font-title);
  font-size: 1.75rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  padding: var(--space-2) var(--space-3);
  border: 2px solid transparent;
  border-image: linear-gradient(135deg, var(--primary), var(--secondary)) 1;
  border-radius: var(--radius);
  position: relative;
  letter-spacing: 0.1em;
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
  font-family: var(--font-title);
  letter-spacing: 0.05em;
}

.logo-subtitle {
  font-size: 0.7rem;
  color: var(--text-secondary);
  font-weight: 600;
  text-align: center;
  margin-top: var(--space-1);
}

.tagline {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 400;
  font-style: italic;
  padding: var(--space-2) var(--space-4);
  background: linear-gradient(
    135deg,
    rgba(0, 63, 127, 0.1),
    rgba(220, 20, 60, 0.05)
  );
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}

.tagline-jp {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-style: normal;
  margin-top: var(--space-1);
}

/* Enhanced Section Cards */
.section-card {
  background: var(--card-bg);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  position: relative;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(10px);
}

.section-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.section-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-4px);
  border-color: rgba(0, 63, 127, 0.2);
}

.section-card:hover::before {
  transform: scaleX(1);
}

.section-header {
  display: flex;
  align-items: center;
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--border);
}

.section-number {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-hover) 100%
  );
  color: white;
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.125rem;
  margin-right: var(--space-4);
  box-shadow: var(--shadow);
  font-family: var(--font-title);
}

.section-subtitle {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-left: var(--space-2);
}

/* Enhanced Input Elements */
.input-group {
  margin-bottom: var(--space-5);
  position: relative;
}

.input-group label {
  display: block;
  margin-bottom: var(--space-3);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  font-family: var(--font-title);
}

.char-counter {
  position: absolute;
  bottom: var(--space-3);
  right: var(--space-4);
  font-size: 0.75rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.9);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
}

textarea {
  width: 100%;
  min-height: 140px;
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  padding-bottom: var(--space-8);
  font-family: var(--font-jp);
  font-size: 1rem;
  line-height: 1.6;
  resize: vertical;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
}

textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 63, 127, 0.1), var(--shadow);
  background: white;
  transform: translateY(-1px);
}

/* Enhanced Translation Output */
.translated-text {
  background: linear-gradient(
    135deg,
    rgba(255, 192, 203, 0.08) 0%,
    rgba(255, 255, 255, 0.95) 100%
  );
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  min-height: 100px;
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--text-primary);
  font-family: var(--font-jp);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  font-weight: 400;
  letter-spacing: 0.02em;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.translated-text:hover {
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

.translation-placeholder {
  color: var(--text-muted);
  font-style: italic;
  font-size: 0.9rem;
}

.quality-indicator {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: var(--space-3) var(--space-4);
  background: rgba(255, 192, 203, 0.08);
  border: 1px solid rgba(255, 192, 203, 0.3);
  border-radius: var(--radius);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.quality-indicator:hover {
  background: rgba(255, 192, 203, 0.12);
  transform: translateY(-1px);
}

.quality-stars {
  display: flex;
  gap: var(--space-1);
}

.quality-stars i {
  font-size: 0.875rem;
  transition: color 0.3s ease;
}

.quality-text {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--primary);
  font-family: var(--font-title);
}

/* Enhanced Voice Controls */
.voice-selection {
  margin-bottom: var(--space-6);
}

.voice-select {
  width: 100%;
  padding: var(--space-4);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  font-family: var(--font-jp);
  font-size: 1rem;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(10px);
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
}

.voice-select:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 63, 127, 0.1), var(--shadow);
  transform: translateY(-1px);
}

/* Character Preview */
.character-preview {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding: var(--space-4);
  background: rgba(255, 192, 203, 0.08);
  border: 1px solid rgba(255, 192, 203, 0.3);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.character-preview:hover {
  background: rgba(255, 192, 203, 0.12);
  transform: translateY(-1px);
}

.character-avatar {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.25rem;
  box-shadow: var(--shadow);
}

.character-info {
  flex: 1;
}

.character-name {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
  margin-bottom: var(--space-1);
}

.character-type {
  font-size: 0.75rem;
  color: var(--text-muted);
}

/* Voice Controls Grid */
.voice-controls-compact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.control-item {
  background: rgba(255, 255, 255, 0.8);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border: 2px solid var(--border);
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
}

.control-item:hover {
  box-shadow: var(--shadow);
  transform: translateY(-2px);
  border-color: rgba(0, 63, 127, 0.3);
  background: rgba(255, 255, 255, 0.95);
}

.control-item label {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-family: var(--font-title);
}

.control-item .value {
  margin-left: auto;
  padding: var(--space-2) var(--space-3);
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-hover) 100%
  );
  color: white;
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 700;
  min-width: 3rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  font-family: var(--font-mono);
}

/* Enhanced Slider */
.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius);
  background: linear-gradient(90deg, #e5e7eb 0%, rgba(0, 63, 127, 0.2) 100%);
  outline: none;
  transition: all 0.3s ease;
  position: relative;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-hover) 100%
  );
  cursor: pointer;
  border: 3px solid white;
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
}

.slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
}

/* Enhanced Buttons */
.btn {
  position: relative;
  padding: var(--space-4) var(--space-6);
  border: none;
  border-radius: var(--radius-lg);
  font-family: var(--font-jp);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  text-decoration: none;
  box-shadow: var(--shadow);
  min-height: 3.5rem;
  letter-spacing: 0.02em;
  font-family: var(--font-title);
}

.btn-compact {
  padding: var(--space-3) var(--space-5);
  font-size: 0.9rem;
  min-height: 3rem;
}

.btn-generate {
  width: 100%;
  margin-bottom: var(--space-6);
  font-size: 1.125rem;
  padding: var(--space-5) var(--space-6);
  min-height: 4rem;
  font-weight: 700;
}

.btn-primary {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-hover) 100%
  );
  color: white;
  border: 2px solid transparent;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(
    135deg,
    var(--primary-hover) 0%,
    var(--primary) 100%
  );
}

.btn-secondary {
  background: linear-gradient(135deg, var(--secondary) 0%, #cc1336 100%);
  color: white;
}

.btn-secondary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Enhanced Audio Section */
.audio-section {
  background: linear-gradient(
    135deg,
    rgba(255, 192, 203, 0.08) 0%,
    rgba(255, 255, 255, 0.95) 100%
  );
  border: 2px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-top: var(--space-6);
  backdrop-filter: blur(15px);
  transition: all 0.3s ease;
}

.audio-section:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.audio-header {
  margin-bottom: var(--space-5);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.audio-header::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: 1px;
}

.audio-header h3 {
  margin: 0;
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  color: var(--primary);
  background: none;
  -webkit-text-fill-color: var(--primary);
  font-family: var(--font-title);
  font-weight: 600;
}

/* Enhanced Wave Animation */
.wave-animation {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  height: 4rem;
  margin-bottom: var(--space-4);
  background: rgba(0, 0, 0, 0.03);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  border: 1px solid var(--border);
}

.wave {
  width: 4px;
  height: 1.5rem;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius);
  animation: wave 1.5s infinite ease-in-out;
  opacity: 0.4;
  transition: var(--transition);
}

.wave:nth-child(2) {
  animation-delay: 0.1s;
}
.wave:nth-child(3) {
  animation-delay: 0.2s;
}
.wave:nth-child(4) {
  animation-delay: 0.3s;
}
.wave:nth-child(5) {
  animation-delay: 0.4s;
}

.wave-animation.active .wave {
  opacity: 1;
  background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
}

@keyframes wave {
  0%,
  100% {
    height: 1.5rem;
    transform: scaleY(1);
  }
  50% {
    height: 4rem;
    transform: scaleY(2);
  }
}

/* Enhanced Audio Controls */
audio {
  width: 100%;
  border-radius: var(--radius);
  margin-bottom: var(--space-4);
}

.audio-info {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
  padding: var(--space-3) var(--space-4);
  background: rgba(0, 63, 127, 0.08);
  border-radius: var(--radius);
  border: 1px solid rgba(0, 63, 127, 0.2);
  font-family: var(--font-title);
  font-style: italic;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(0, 0, 0, 0.1);
  border-radius: 3px;
  overflow: hidden;
  margin-top: var(--space-2);
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--success), var(--matcha));
  width: 0%;
  transition: width 0.3s ease;
}

/* Enhanced Download Button */
.download-btn {
  border: 2px solid var(--primary);
  background: rgba(255, 255, 255, 0.8);
  color: var(--primary);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-lg);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  transition: all 0.3s ease;
  min-height: 3rem;
  font-family: var(--font-jp);
  backdrop-filter: blur(10px);
  margin-top: var(--space-4);
}

.download-btn:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Footer Enhancement */
.footer {
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.9),
    rgba(248, 248, 248, 0.9)
  );
  backdrop-filter: blur(15px);
  padding: var(--space-6) 0;
  border-top: 2px solid var(--border);
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-muted);
  font-family: var(--font-title);
  font-style: italic;
}

.footer-decoration {
  margin-top: var(--space-2);
  color: var(--sakura);
  font-size: 0.8rem;
  animation: floatText 3s ease-in-out infinite;
}

@keyframes floatText {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-5px);
  }
}

/* Manual Japanese Input Section */
.manual-input-section {
  margin-top: var(--space-5);
  padding: var(--space-6);
  background: linear-gradient(
    135deg,
    rgba(245, 158, 11, 0.08) 0%,
    rgba(255, 255, 255, 0.95) 100%
  );
  border: 2px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(10px);
  animation: slideDown 0.5s ease-out;
  position: relative;
}

.manual-input-section::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--warning) 0%, var(--secondary) 100%);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.manual-input-header {
  margin-bottom: var(--space-5);
  text-align: center;
}

.manual-input-header h4 {
  color: var(--warning);
  font-size: 1.125rem;
  margin-bottom: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-title);
  font-weight: 600;
}

.manual-input-group {
  position: relative;
}

.manual-input-group label {
  display: block;
  margin-bottom: var(--space-3);
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: var(--font-title);
}

#manualJapaneseText {
  width: 100%;
  min-height: 100px;
  border: 2px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius);
  padding: var(--space-4);
  font-family: var(--font-jp);
  font-size: 1rem;
  line-height: 1.6;
  resize: vertical;
  transition: all 0.3s ease;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(10px);
}

#manualJapaneseText:focus {
  outline: none;
  border-color: var(--warning);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.1), var(--shadow);
  background: white;
  transform: translateY(-1px);
}

#manualJapaneseText::placeholder {
  color: var(--text-muted);
  font-style: italic;
}

.manual-input-actions {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.manual-input-actions .btn {
  flex: 1;
  min-width: 180px;
}

@media (max-width: 768px) {
  .manual-input-actions {
    flex-direction: column;
  }

  .manual-input-actions .btn {
    flex: none;
    width: 100%;
  }
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
    max-height: 0;
  }
  to {
    opacity: 1;
    transform: translateY(0);
    max-height: 500px;
  }
}

/* Enhanced manual input section visibility */
.manual-input-section[style*="display: block"] {
  animation: slideDown 0.5s ease-out;
}

/* Responsive Design - FIXED to maintain 2-column layout longer */
@media (max-width: 1200px) {
  .app-grid {
    gap: var(--space-6);
  }
}

@media (max-width: 1024px) {
  .app-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    max-width: 800px;
  }

  .voice-controls-compact {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 768px) {
  .main {
    padding: var(--space-6) 0;
  }

  .section-card {
    padding: var(--space-6);
  }

  .tagline {
    display: none;
  }

  .logo-text {
    font-size: 1.25rem;
  }

  .voice-controls-compact {
    grid-template-columns: 1fr;
    gap: var(--space-4);
  }
}

@media (max-width: 480px) {
  .app-grid {
    gap: var(--space-4);
  }

  .section-card {
    padding: var(--space-4);
  }

  .logo-text {
    display: none;
  }
}

/* Translation source badge */
.translation-source-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: rgba(0, 63, 127, 0.1);
  border: 1px solid rgba(0, 63, 127, 0.2);
  border-radius: var(--radius);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: var(--space-2);
}

.translation-source-badge.fallback {
  background: rgba(245, 158, 11, 0.1);
  border-color: rgba(245, 158, 11, 0.2);
  color: var(--warning);
}