/* ==========================================================================
   MatchMeter - 개선된 메인 스타일시트
   Design System 기반으로 깔끔하게 정리된 스타일
   ========================================================================== */

/* Design System Import */
@import url('./css/design-system.css');

/* ==========================================================================
   메인 레이아웃
   ========================================================================== */

.main-body {
  background: var(--background);
  min-height: 100vh;
  margin: 0;
  padding: 0;
}

.main-wrapper {
  position: relative;
  z-index: 10;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.mobile-container {
  flex: 1;
  max-width: 1024px;
  margin: 0 auto;
  width: 100%;
  background: var(--card);
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  position: relative;
  padding: var(--space-4);
  border-radius: 0;
  min-height: 100vh;
}

@media (min-width: 768px) {
  .mobile-container {
    border-radius: var(--radius-2xl);
    margin: var(--space-8) auto;
    min-height: calc(100vh - var(--space-16));
    padding: var(--space-8);
  }
}

.skip-link {
  position: absolute;
  left: -10000px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  background: var(--primary);
  color: var(--primary-foreground);
  padding: 8px;
  border-radius: 4px;
  text-decoration: none;
  z-index: 1000;
}

.skip-link:focus {
  position: absolute;
  left: 6px;
  top: 6px;
  width: auto;
  height: auto;
  overflow: visible;
}

.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;
}

/* ==========================================================================
   모바일 입력 섹션 - 좌우 배치
   ========================================================================== */

.mobile-input-section {
  display: flex !important;
  flex-direction: row !important;
  gap: 1rem;
  margin: 0.75rem 0;
  width: 100%;
}

.mobile-input-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-label {
  font-size: var(--text-base);
  font-weight: var(--font-semibold);
  color: var(--card-foreground);
  margin-bottom: var(--space-2);
  font-family: var(--font-sans);
}

.mobile-input {
  width: 100%;
  min-height: 48px;
  padding: var(--space-3) var(--space-4);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  background: var(--input);
  color: var(--foreground);
  transition: all var(--transition-base);
  -webkit-user-select: text;
  -moz-user-select: text;
  -ms-user-select: text;
  user-select: text;
  touch-action: manipulation;
  box-shadow: var(--shadow-sm);
}

.mobile-input:focus {
  outline: none;
  border-color: var(--ring);
  box-shadow: 0 0 0 3px var(--ring);
}

.mobile-input::placeholder {
  color: var(--muted-foreground);
  opacity: 0.7;
}

/* 작은 화면에서도 좌우 배치 유지 */
@media (max-width: 480px) {
  .mobile-input-section {
    gap: 0.75rem;
  }
  
  .mobile-label {
    font-size: 0.9rem;
  }
  
  .mobile-input {
    min-height: 44px;
    font-size: 16px;
  }
}

@media (max-width: 360px) {
  .mobile-input-section {
    gap: 0.5rem;
  }
  
  .mobile-label {
    font-size: 0.85rem;
  }
}

/* ==========================================================================
   기타 모바일 스타일
   ========================================================================== */

.language-toggle-corner {
  position: absolute;
  top: 16px;
  right: 16px;
  z-index: 100;
  background: var(--card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 8px 12px;
  min-height: 36px;
  min-width: 36px;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--primary);
  cursor: pointer;
  transition: all 0.2s ease;
}

.mobile-header {
  padding: 0.5rem 0;
  text-align: center;
}

.mobile-title-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  margin-bottom: 0.5rem;
}

.mobile-title {
  font-size: clamp(var(--text-2xl), 6vw, var(--text-4xl));
  font-weight: var(--font-extrabold);
  font-family: var(--font-sans);
  color: var(--foreground);
  background: var(--gradient-button);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: var(--leading-tight);
  margin: 0;
  text-align: center;
}

.mobile-subtitle {
  font-size: clamp(var(--text-sm), 3.5vw, var(--text-lg));
  font-weight: var(--font-medium);
  font-family: var(--font-sans);
  color: var(--muted-foreground);
  line-height: var(--leading-snug);
  margin: 0;
  text-align: center;
}

.mobile-button {
  min-height: 48px;
  padding: var(--space-4) var(--space-6);
  border-radius: var(--radius-lg);
  font-weight: var(--font-semibold);
  font-size: var(--text-base);
  font-family: var(--font-sans);
  text-align: center;
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  box-shadow: var(--shadow);
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

.mobile-button-primary {
  background: var(--gradient-button);
  color: var(--primary-foreground);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 220px;
  margin: var(--space-4) auto;
  display: block;
  min-height: 48px;
  padding: var(--space-3) var(--space-5);
  font-size: var(--text-base);
}

.mobile-button-primary:hover {
  background: var(--primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-1px);
}

.mobile-button-secondary {
  background: var(--secondary);
  color: var(--secondary-foreground);
  border: 1px solid var(--border);
  padding: var(--space-2) var(--space-3);
  min-height: 40px;
  min-width: 60px;
  font-size: var(--text-sm);
  font-family: var(--font-sans);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.mobile-button-secondary:hover {
  background: var(--accent);
  color: var(--accent-foreground);
  box-shadow: var(--shadow);
  transform: translateY(-1px);
}

/* ==========================================================================
   결과 섹션 스타일
   ========================================================================== */

.mobile-results-section {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
  margin-top: 0.75rem;
}

.mobile-score-container {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
  background: var(--card);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  margin: var(--space-4) 0;
}

.mobile-score-label {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--card-foreground);
  text-align: center;
}

.mobile-progress-bar {
  width: 100%;
  height: 36px;
  background: var(--muted);
  border-radius: var(--radius-full);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 2px solid var(--border);
  position: relative;
}

.mobile-progress-fill {
  height: 100%;
  width: 0;
  background: var(--gradient-button);
  border-radius: var(--radius-full);
  transition: width 1s ease-out;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-xs);
}

.mobile-progress-labels {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  font-weight: 500;
  margin-top: 2px;
  position: relative;
}

.result-container {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.8s ease;
  position: relative;
  background: var(--card);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  margin-top: var(--space-4);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  width: 100%;
  box-shadow: var(--shadow-lg);
}

.result-container.animate {
  opacity: 1;
  transform: translateY(0);
}

.score-text {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--card-foreground);
  line-height: 1.2;
  text-align: center;
  margin-bottom: 4px;
}

.score-percentage {
  font-size: clamp(var(--text-4xl), 8vw, 6rem);
  font-weight: var(--font-extrabold);
  font-family: var(--font-sans);
  background: var(--gradient-button);
  background-size: 300% 300%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: gradientShift 3s ease infinite;
  text-align: center;
  line-height: var(--leading-tight);
  margin: var(--space-2) 0;
}

.message-positive {
  font-size: clamp(var(--text-sm), 3.5vw, var(--text-lg));
  font-weight: var(--font-semibold);
  font-family: var(--font-sans);
  color: var(--primary-foreground);
  padding: var(--space-4);
  background: var(--chart-3);
  border-left: 4px solid var(--chart-1);
  border-radius: var(--radius-lg);
  text-align: center;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-1);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.message-negative {
  font-size: clamp(var(--text-sm), 3vw, var(--text-base));
  font-weight: var(--font-medium);
  font-family: var(--font-sans);
  color: var(--destructive-foreground);
  padding: var(--space-3);
  background: var(--destructive);
  border-left: 4px solid var(--chart-5);
  border-radius: var(--radius-lg);
  text-align: center;
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-1);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

/* 기존 계산 과정 스타일 - 버블검 테마 적용 */
#explanation {
  text-align: center;
  width: 100%;
  background: var(--card);
  padding: var(--space-4);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  margin: var(--space-4) 0;
}

.line {
  display: block;
  margin: 0.1rem auto;
  line-height: 1.2;
  text-align: center;
}

.line span {
  display: inline-block;
  padding: 0.2rem 0.4rem;
  color: var(--card-foreground);
  font-weight: 600;
  font-size: 1rem;
  min-width: 1.2rem;
  text-align: center;
  background: var(--accent);
  border-radius: var(--radius-sm);
  margin: 0 0.15rem;
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  box-shadow: var(--shadow-xs);
}

.line span:hover {
  background: var(--primary);
  color: var(--primary-foreground);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

/* 궁합 결과 메시지 3D 효과와 애니메이션 */
.result-container {
  perspective: 1000px;
  transform-style: preserve-3d;
  opacity: 0;
  transform: translateY(20px) rotateX(30deg);
  transition: all 0.8s ease;
}

.result-container.animate {
  opacity: 1;
  transform: translateY(0) rotateX(0deg);
}

/* 중복된 스타일들은 이미 위에서 정의되었으므로 제거 */

@keyframes gradientShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes pulseGreen {
  0%, 100% { transform: translateZ(10px) scale(1); }
  50% { transform: translateZ(15px) scale(1.02); }
}

@keyframes shake {
  0%, 100% { transform: translateZ(5px) translateX(0); }
  25% { transform: translateZ(5px) translateX(-2px); }
  75% { transform: translateZ(5px) translateX(2px); }
}

#result {
  margin-top: 0.5rem;
}

/* Orientation change transition styles */
.orientation-transition {
  transition: all 0.3s ease-in-out;
}

.orientation-transition * {
  transition: all 0.3s ease-in-out;
}

/* Landscape mode optimizations */
@media screen and (orientation: landscape) and (max-height: 500px) {
  .mobile-container {
    padding: 1rem;
  }
  
  .mobile-header {
    padding: 1rem 0;
  }
  
  .mobile-title {
    font-size: clamp(1.5rem, 4vw, 2rem);
    margin-bottom: 0.5rem;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.875rem, 2.5vw, 1rem);
    margin-bottom: 1rem;
  }
  
  .mobile-input-section {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
  }
  
  .mobile-input-group {
    flex: 1;
    margin-bottom: 0;
  }
  
  .mobile-results-section {
    margin-top: 1rem;
  }
  
  .mobile-score-container {
    margin: 1rem 0;
  }
  
  .result-container {
    padding: 1rem;
  }
  
  .score-percentage {
    font-size: 2.5rem;
    margin: 0.5rem 0;
  }
  
  .message-positive,
  .message-negative {
    padding: 0.5rem;
    margin: 0.5rem 0;
    font-size: 0.9rem;
  }
}

/* Dynamic landscape mode class-based styles */
.mobile-container.landscape-mode {
  padding: 1rem;
  max-height: 100vh;
  overflow-y: auto;
}

.mobile-input-section.landscape-inputs {
  display: flex;
  gap: 1rem;
  align-items: flex-end;
}

.landscape-inputs .mobile-input-group {
  flex: 1;
  margin-bottom: 0;
}

.landscape-mode .mobile-header {
  padding: 0.5rem 0 1rem 0;
}

.landscape-mode .mobile-title {
  font-size: clamp(1.25rem, 3.5vw, 1.75rem);
  margin-bottom: 0.25rem;
}

.landscape-mode .mobile-subtitle {
  font-size: clamp(0.75rem, 2vw, 0.875rem);
  margin-bottom: 0.5rem;
}

.landscape-mode .mobile-results-section {
  margin-top: 0.75rem;
}

.landscape-mode .result-container {
  padding: 0.75rem;
}

.landscape-mode .score-percentage {
  font-size: 2rem;
  margin: 0.25rem 0;
}

.landscape-mode .message-positive,
.landscape-mode .message-negative {
  padding: 0.4rem;
  margin: 0.3rem 0;
  font-size: 0.8rem;
}

/* Portrait mode optimizations - 모바일에서도 좌우 배치 유지 */
@media screen and (orientation: portrait) {
  main .mobile-input-section {
    display: flex !important;
    flex-direction: row !important;
    gap: 1rem !important;
    margin: 1rem 0 !important;
  }
  
  main .mobile-input-section .mobile-input-group {
    flex: 1 !important;
    flex-direction: column !important;
    margin-bottom: 0 !important;
  }
}


/* Enhanced touch feedback during orientation transitions */
.orientation-transition .mobile-input,
.orientation-transition .mobile-button {
  pointer-events: none;
}

.orientation-transition .mobile-input:focus {
  outline: none;
}

/* Smooth transitions for layout elements during orientation change */
.mobile-container,
.mobile-header,
.mobile-input-section,
.mobile-results-section {
  transition: all 0.3s ease-in-out;
}

/* Prevent layout shifts during orientation transitions */
.orientation-transition .line {
  transition: width 0.3s ease-in-out;
}

.orientation-transition .line span {
  transition: all 0.3s ease-in-out;
}

/* Accessibility improvements */
.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;
}

.sr-only:focus,
.focus\:not-sr-only:focus {
  position: static;
  width: auto;
  height: auto;
  padding: inherit;
  margin: inherit;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Enhanced focus indicators for better accessibility */
*:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip link styling */
.focus\:absolute:focus {
  position: absolute !important;
}

.focus\:top-4:focus {
  top: 1rem !important;
}

.focus\:left-4:focus {
  left: 1rem !important;
}

.focus\:z-50:focus {
  z-index: 50 !important;
}

.focus\:px-4:focus {
  padding-left: 1rem !important;
  padding-right: 1rem !important;
}

.focus\:py-2:focus {
  padding-top: 0.5rem !important;
  padding-bottom: 0.5rem !important;
}

.focus\:bg-blue-600:focus {
  background-color: var(--primary) !important;
}

.focus\:text-white:focus {
  color: var(--primary-foreground) !important;
}

.focus\:rounded:focus {
  border-radius: 0.25rem !important;
}

.focus\:outline-none:focus {
  outline: none !important;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .mobile-input {
    border-width: 3px;
    border-color: var(--foreground);
  }
  
  .mobile-button {
    border: 3px solid var(--foreground);
  }
  
  .mobile-progress-fill {
    border: 2px solid var(--foreground);
  }
}

/* Input validation states */
.mobile-input.error {
  border-color: var(--destructive);
  background-color: var(--destructive-foreground);
  box-shadow: 0 0 0 3px var(--destructive);
}

.mobile-input.success {
  border-color: var(--success);
  background-color: var(--success-foreground);
  box-shadow: 0 0 0 3px var(--success);
}

/* Error message styling */
.mobile-input-group [role="alert"]:not(.sr-only) {
  color: var(--destructive);
  font-size: 0.875rem;
  margin-top: 0.25rem;
  padding: 0.25rem 0.5rem;
  background-color: var(--destructive-foreground);
  border-radius: var(--radius);
  border-left: 3px solid var(--destructive);
}

/* 모바일에서 입력 필드 좌우 배치 강제 적용 - 최고 우선순위 */
@media (max-width: 767px) {
  * {
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
  }
  
  input, textarea, button {
    -webkit-user-select: text;
    -moz-user-select: text;
    -ms-user-select: text;
    user-select: text;
  }
  
  .mobile-header {
    padding: 0.25rem 0 !important;
  }
  
  .mobile-title-container {
    margin-bottom: 0.25rem !important;
    gap: 0.1rem !important;
  }
  
  main .mobile-input-section {
    display: flex !important;
    flex-direction: row !important;
    gap: 0.75rem !important;
    margin: 0.5rem 0 !important;
    width: 100% !important;
  }
  
  .line {
    margin: 0.05rem auto !important;
    line-height: 1.1 !important;
    text-align: center !important;
  }
  
  .line span {
    padding: 0.15rem 0.3rem !important;
    font-size: 0.9rem !important;
    margin: 0 0.1rem !important;
    min-width: 1rem !important;
  }
  
  main .mobile-input-section .mobile-input-group {
    flex: 1 !important;
    flex-direction: column !important;
    margin-bottom: 0 !important;
    width: auto !important;
  }
  
  main .mobile-input-section .mobile-input {
    width: 100% !important;
    min-height: 48px !important;
  }
  
  main .mobile-input-section .mobile-label {
    font-size: 0.875rem !important;
    margin-bottom: 0.25rem !important;
    display: block !important;
  }
  
  .mobile-button-primary {
    margin: 0.25rem auto !important;
    max-width: 200px !important;
    min-height: 40px !important;
    padding: 10px 16px !important;
    font-size: 0.875rem !important;
  }
  
  .mobile-results-section {
    margin-top: 0.5rem !important;
    gap: 0.5rem !important;
  }
  
  .mobile-score-container {
    gap: 8px !important;
  }
  
  .mobile-progress-labels {
    margin-top: 1px !important;
  }
  
  .result-container {
    padding: 0.75rem !important;
    margin-top: 0.25rem !important;
  }
}

/* 매우 작은 화면에서도 좌우 배치 유지 */
@media (max-width: 480px) {
  .mobile-header {
    padding: 0.25rem 0 !important;
  }
  
  main .mobile-input-section {
    display: flex !important;
    flex-direction: row !important;
    gap: 0.5rem !important;
    margin: 0.4rem 0 !important;
  }
  
  .line {
    margin: 0.03rem auto !important;
    text-align: center !important;
  }
  
  .line span {
    padding: 0.1rem 0.25rem !important;
    font-size: 0.85rem !important;
    margin: 0 0.08rem !important;
  }
  
  main .mobile-input-section .mobile-input-group {
    flex: 1 !important;
    flex-direction: column !important;
    margin-bottom: 0 !important;
  }
  
  main .mobile-input-section .mobile-label {
    font-size: 0.8rem !important;
    margin-bottom: 0.2rem !important;
  }
  
  main .mobile-input-section .mobile-input {
    font-size: 0.9rem !important;
    min-height: 40px !important;
    padding: 10px 12px !important;
  }
  
  .mobile-button-primary {
    margin: 0.2rem auto !important;
    max-width: 180px !important;
    min-height: 38px !important;
    padding: 8px 14px !important;
    font-size: 0.8rem !important;
  }
  
  .mobile-results-section {
    margin-top: 0.4rem !important;
    gap: 0.4rem !important;
  }
}

/* 초소형 화면 (320px 이하)에서도 좌우 배치 */
@media (max-width: 320px) {
  main .mobile-input-section {
    display: flex !important;
    flex-direction: row !important;
    gap: 0.3rem !important;
    margin: 0.3rem 0 !important;
  }
  
  main .mobile-input-section .mobile-input-group {
    flex: 1 !important;
    flex-direction: column !important;
  }
  
  main .mobile-input-section .mobile-label {
    font-size: 0.75rem !important;
    margin-bottom: 0.15rem !important;
  }
  
  main .mobile-input-section .mobile-input {
    font-size: 0.85rem !important;
    padding: 8px 10px !important;
    min-height: 36px !important;
  }
  
  .mobile-button-primary {
    margin: 0.15rem auto !important;
    max-width: 160px !important;
    min-height: 36px !important;
    padding: 6px 12px !important;
    font-size: 0.75rem !important;
  }
}

/* Enhanced keyboard focus indicators */
.mobile-input:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
  box-shadow: 
    0 0 0 3px var(--ring),
    var(--shadow-md);
}

.mobile-stroke-info {
  font-size: var(--text-xs);
  font-family: var(--font-sans);
  color: var(--muted-foreground);
  text-align: center;
  margin-top: var(--space-2);
  opacity: 0.8;
  line-height: var(--leading-snug);
  padding: var(--space-2);
  background: var(--muted);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
}

.hidden {
  display: none;
}

.mobile-button:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 2px;
  box-shadow: 
    0 0 0 6px var(--ring),
    var(--shadow-lg);
}

/* Improved touch targets for better accessibility */
.mobile-input,
.mobile-button {
  min-height: 48px; /* WCAG AA minimum touch target */
}

@media (min-width: 768px) {
  .mobile-input,
  .mobile-button {
    min-height: 44px; /* Desktop can be slightly smaller */
  }
}

/* Mobile-optimized result animations */
.mobile-result-animation {
  perspective: 1000px;
  transform-style: preserve-3d;
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.mobile-result-animation.animate {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Mobile-specific animation timing adjustments */
@media (max-width: 767px) {
  .mobile-result-animation {
    transition-duration: 0.4s;
    transform: translateY(20px) scale(0.98);
  }
  
  .result-container {
    transition-duration: 0.5s;
  }
  
  .score-percentage {
    animation-duration: 2s;
  }
  
  .message-positive {
    animation-duration: 1.5s;
  }
  
  .message-negative {
    animation-duration: 2s;
  }
  
  /* Faster button feedback on mobile */
  .mobile-button {
    transition-duration: 0.15s;
  }
  
  .mobile-input {
    transition-duration: 0.2s;
  }
}

/* Enhanced focus management for mobile results */
.result-container:focus {
  outline: 3px solid var(--ring);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}

.result-container:focus-visible {
  outline: 3px solid var(--ring);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
  box-shadow: 0 0 0 6px var(--ring);
}

/* Mobile scroll behavior optimization */
@media (max-width: 767px) {
  html {
    scroll-padding-top: 20px;
    scroll-padding-bottom: 20px;
  }
  
  /* Ensure results are visible above mobile keyboards */
  .mobile-results-section {
    scroll-margin-top: 60px;
    scroll-margin-bottom: 60px;
  }
  
  /* Optimize for one-handed use */
  .mobile-container {
    scroll-behavior: smooth;
  }
}

/* Touch-specific animation optimizations */
@media (hover: none) and (pointer: coarse) {
  .result-container {
    transition-duration: 0.3s;
    transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  
  .mobile-result-animation {
    transition-duration: 0.35s;
    transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  
  /* Reduce complex animations on touch devices */
  .score-percentage {
    animation-duration: 1.8s;
    animation-timing-function: ease-out;
  }
  
  .message-positive,
  .message-negative {
    animation-duration: 1.2s;
    animation-timing-function: ease-out;
  }
}

/* Landscape mobile optimizations */
@media (max-width: 767px) and (orientation: landscape) {
  .mobile-result-animation {
    transition-duration: 0.25s;
    transform: translateY(15px) scale(0.99);
  }
  
  .result-container {
    transition-duration: 0.3s;
  }
  
  /* Faster animations in landscape for better UX */
  .score-percentage {
    animation-duration: 1.5s;
  }
  
  .message-positive,
  .message-negative {
    animation-duration: 1s;
  }
}

/* Enhanced mobile viewport handling */
:root {
  --vh: 1vh;
}

.mobile-container {
  min-height: calc(var(--vh, 1vh) * 100);
  scroll-behavior: smooth;
}

/* Mobile UX enhancements */
@media (max-width: 767px) {
  /* Prevent zoom on input focus */
  .mobile-input {
    font-size: max(16px, 1rem);
  }
  
  /* Enhanced touch targets */
  .mobile-button,
  .mobile-input {
    min-height: 48px;
  }
  
  /* Improved spacing for one-handed use */
  .mobile-results-section {
    margin-top: 1.5rem;
    padding-bottom: 2rem;
  }
  
  /* Better visual feedback for touch interactions */
  .mobile-button.touch-active {
    transform: scale(0.96);
    transition: transform 0.1s ease;
  }
  
  /* Optimize for mobile keyboards */
  .mobile-input:focus {
    transform: translateZ(0); /* Force hardware acceleration */
    backface-visibility: hidden;
  }
}

/* Enhanced accessibility for mobile */
@media (max-width: 767px) and (prefers-reduced-motion: no-preference) {
  .result-container {
    animation: mobileSlideIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
  }
}

@keyframes mobileSlideIn {
  0% {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Improved focus management for mobile results */
.result-container[tabindex="-1"]:focus {
  outline: 2px solid var(--ring);
  outline-offset: 4px;
  border-radius: var(--radius-lg);
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .result-container,
  .mobile-result-animation {
    transition: none;
    transform: none;
    opacity: 1;
  }
  
  .score-percentage {
    animation: none;
  }
  
  .message-positive,
  .message-negative {
    animation: none;
  }
}
/
* Enhanced mobile UX improvements - Task 7 Implementation */

/* Mobile-optimized result animations with enhanced timing */
.mobile-result-animation {
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.mobile-result-animation.animate {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* Mobile-specific animation timing adjustments for better UX */
@media (max-width: 767px) {
  .mobile-result-animation {
    transition-duration: 0.3s;
    transition-timing-function: cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  
  .result-container {
    transition: all 0.3s ease-out;
  }
  
  .score-percentage {
    animation-duration: 2s;
  }
  
  .message-positive {
    animation-duration: 1.5s;
  }
  
  .message-negative {
    animation-duration: 2s;
  }
}

/* Low-end device optimizations for smoother performance */
@media (max-width: 480px) {
  .mobile-result-animation {
    transition-duration: 0.25s;
    transition-timing-function: ease-out;
  }
  
  .score-percentage {
    animation-duration: 1.5s;
  }
  
  .message-positive,
  .message-negative {
    animation-duration: 1s;
  }
}

/* Enhanced focus management for mobile results */
.mobile-result-animation:focus {
  outline: 3px solid var(--ring);
  outline-offset: 4px;
  border-radius: 8px;
  background-color: var(--accent);
}

/* Smooth scroll behavior optimized for mobile */
@media (max-width: 767px) {
  html {
    scroll-behavior: smooth;
    scroll-padding-top: 20px;
  }
  
  .mobile-results-section {
    scroll-margin-top: 20px;
  }
  
  #result {
    scroll-margin-top: 30px;
    scroll-margin-bottom: 20px;
  }
}

/* Auto-scroll enhancements for better mobile UX */
@media (max-width: 767px) and (orientation: portrait) {
  #result {
    scroll-margin-top: 40px;
  }
  
  .mobile-results-section {
    scroll-margin-top: 30px;
  }
}

@media (max-width: 767px) and (orientation: landscape) {
  #result {
    scroll-margin-top: 20px;
  }
  
  .mobile-results-section {
    scroll-margin-top: 15px;
  }
}

/* Touch feedback enhancements */
.touch-active {
  transform: scale(0.96) !important;
  transition: transform 0.1s ease-out !important;
}

/* Progressive enhancement for devices with hover capability */
@media (hover: hover) and (pointer: fine) {
  .mobile-result-animation:hover {
    transform: translateY(-2px) scale(1.02);
    box-shadow: var(--shadow-xl);
  }
}

/* Enhanced viewport height handling for mobile browsers */
.mobile-container {
  min-height: 100vh;
  min-height: calc(var(--vh, 1vh) * 100);
}

/* Improved result visibility on mobile */
@media (max-width: 767px) {
  .mobile-results-section {
    padding-bottom: 2rem;
  }
  
  .result-container {
    padding: var(--space-6);
    margin: var(--space-4) 0;
    border-radius: var(--radius-xl);
    background: var(--card);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
  }
}

/* Accessibility improvements for mobile focus management */
@media (max-width: 767px) {
  .result-container:focus-visible {
    outline: 3px solid var(--ring);
    outline-offset: 2px;
    box-shadow: 
      0 0 0 6px var(--ring),
      var(--shadow-xl);
  }
}

/* Animation performance optimizations for mobile */
@media (max-width: 767px) {
  .mobile-result-animation,
  .result-container,
  .score-percentage {
    will-change: transform, opacity;
  }
  
  .mobile-result-animation.animate {
    will-change: auto;
  }
}

/* Reduced motion support with mobile considerations */
@media (prefers-reduced-motion: reduce) {
  .mobile-result-animation,
  .result-container {
    transition: none !important;
    transform: none !important;
    animation: none !important;
  }
  
  html {
    scroll-behavior: auto !important;
  }
  
  .score-percentage,
  .message-positive,
  .message-negative {
    animation: none !important;
  }
}/* Mobil
e header layout fixes for better text wrapping */
@media (max-width: 767px) {
  .mobile-header {
    padding: 1rem 0.5rem;
    gap: 0.75rem;
  }
  
  .mobile-title {
    font-size: clamp(1.25rem, 5vw, 1.75rem) !important;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    word-break: keep-all;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.75rem, 3vw, 0.9rem) !important;
    line-height: 1.3;
    margin-bottom: 0.75rem;
    padding: 0 0.5rem;
  }
  
  /* Compact language toggle button for mobile */
  .mobile-button-secondary {
    min-height: 40px !important;
    min-width: 60px !important;
    padding: 8px 12px !important;
    font-size: 0.875rem !important;
    border-radius: 8px !important;
    margin-top: 0.5rem;
  }
  
  #toggleText {
    font-size: 0.8rem;
    white-space: nowrap;
  }
}

/* Extra small mobile devices */
@media (max-width: 360px) {
  .mobile-title {
    font-size: clamp(1rem, 4.5vw, 1.5rem) !important;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.7rem, 2.5vw, 0.8rem) !important;
    padding: 0 0.25rem;
  }
  
  .mobile-button-secondary {
    min-height: 36px !important;
    min-width: 56px !important;
    padding: 6px 10px !important;
    font-size: 0.8rem !important;
  }
  
  #toggleText {
    font-size: 0.75rem;
  }
}

/* Landscape mode optimizations for mobile */
@media (max-width: 767px) and (orientation: landscape) {
  .mobile-header {
    padding: 0.5rem 0.5rem 0.75rem 0.5rem;
    gap: 0.5rem;
  }
  
  .mobile-title {
    font-size: clamp(1rem, 4vw, 1.5rem) !important;
    margin-bottom: 0.25rem;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.7rem, 2.5vw, 0.85rem) !important;
    margin-bottom: 0.5rem;
  }
  
  .mobile-button-secondary {
    min-height: 36px !important;
    margin-top: 0.25rem;
  }
}

/* Prevent text wrapping issues */
@media (max-width: 767px) {
  .mobile-header * {
    word-wrap: break-word;
    overflow-wrap: break-word;
  }
  
  .mobile-title {
    word-break: keep-all !important;
    hyphens: none;
  }
  
  /* Ensure language toggle stays on one line */
  .mobile-button-secondary {
    white-space: nowrap;
    flex-shrink: 0;
  }
}/*
 Mobile title container for better layout control */
.mobile-title-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

@media (max-width: 767px) {
  .mobile-title-container {
    gap: 0.25rem;
    margin-bottom: 0.5rem;
    padding: 0 1rem;
  }
}

@media (max-width: 360px) {
  .mobile-title-container {
    padding: 0 0.5rem;
  }
}

/* Ensure proper spacing between title and language toggle */
@media (max-width: 767px) {
  .mobile-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
  }
  
  .mobile-button-secondary {
    align-self: center;
    margin-top: 0.5rem;
  }
}/* Mobi
le title and language toggle layout fixes */
.mobile-title-container {
  margin-bottom: 1rem;
}

/* Mobile title optimization - prevent line breaks */
@media (max-width: 767px) {
  .mobile-title {
    font-size: clamp(1.25rem, 5vw, 1.75rem) !important;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  
  /* Smaller emoji on very small screens */
  @media (max-width: 360px) {
    .mobile-title {
      font-size: clamp(1rem, 4.5vw, 1.5rem) !important;
    }
  }
  
  .mobile-subtitle {
    font-size: clamp(0.75rem, 3vw, 0.875rem) !important;
    line-height: 1.3;
    margin-bottom: 1rem;
  }
  
  /* Language toggle button optimization */
  .mobile-button-secondary {
    min-height: 40px !important;
    min-width: 60px !important;
    padding: 8px 12px !important;
    font-size: clamp(0.75rem, 2.5vw, 0.875rem) !important;
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  
  #toggleText {
    font-size: inherit;
    white-space: nowrap;
  }
}

/* Extra small screens - further optimization */
@media (max-width: 320px) {
  .mobile-title {
    font-size: 1rem !important;
  }
  
  .mobile-subtitle {
    font-size: 0.75rem !important;
  }
  
  .mobile-button-secondary {
    min-width: 50px !important;
    padding: 6px 10px !important;
    font-size: 0.75rem !important;
  }
}

/* Landscape mobile optimization */
@media (max-width: 767px) and (orientation: landscape) {
  .mobile-header {
    padding: 0.5rem 0 !important;
  }
  
  .mobile-title {
    font-size: clamp(1rem, 4vw, 1.5rem) !important;
    margin-bottom: 0.25rem;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.75rem, 2.5vw, 0.875rem) !important;
    margin-bottom: 0.5rem;
  }
  
  .mobile-title-container {
    margin-bottom: 0.5rem;
  }
}

/* Prevent text wrapping in header elements */
@media (max-width: 767px) {
  .mobile-header {
    overflow-x: hidden;
  }
  
  .mobile-title,
  .mobile-subtitle {
    padding: 0 1rem;
    box-sizing: border-box;
  }
  
  /* Ensure language button doesn't cause overflow */
  .mobile-button-secondary {
    flex-shrink: 0;
    margin: 0 auto;
  }
}/
* Language toggle button specific styling */
.mobile-lang-toggle {
  margin-top: 0.75rem;
  align-self: center;
}

@media (max-width: 767px) {
  .mobile-lang-toggle {
    margin-top: 0.5rem;
  }
}

@media (max-width: 767px) and (orientation: landscape) {
  .mobile-lang-toggle {
    margin-top: 0.25rem;
  }
}

/* Ensure proper spacing and prevent layout shifts */
@media (max-width: 767px) {
  .mobile-title-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
  }
  
  .mobile-title-container > * {
    flex-shrink: 0;
  }
}/* Mo
bile title and language toggle layout fixes */
@media (max-width: 767px) {
  .mobile-title {
    font-size: clamp(1.5rem, 6vw, 2.5rem) !important;
    line-height: 1.2 !important;
    margin-bottom: 0.5rem !important;
    word-break: keep-all;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.75rem, 3vw, 1rem) !important;
    line-height: 1.3 !important;
    margin-bottom: 1rem !important;
    word-break: keep-all;
  }
  
  .mobile-lang-toggle {
    min-height: 40px !important;
    min-width: 60px !important;
    padding: 8px 12px !important;
    font-size: 0.875rem !important;
    border-radius: 8px !important;
    margin-top: 0.5rem !important;
  }
  
  .mobile-header {
    padding: 1rem 0.5rem !important;
    gap: 0.5rem !important;
  }
}

/* Extra small mobile devices */
@media (max-width: 480px) {
  .mobile-title {
    font-size: clamp(1.25rem, 5vw, 1.75rem) !important;
    margin-bottom: 0.25rem !important;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.7rem, 2.5vw, 0.875rem) !important;
    margin-bottom: 0.75rem !important;
  }
  
  .mobile-lang-toggle {
    min-height: 36px !important;
    min-width: 50px !important;
    padding: 6px 10px !important;
    font-size: 0.8rem !important;
  }
  
  .mobile-header {
    padding: 0.75rem 0.25rem !important;
  }
}

/* Very small screens (iPhone SE, etc.) */
@media (max-width: 375px) {
  .mobile-title {
    font-size: 1.25rem !important;
    margin-bottom: 0.25rem !important;
  }
  
  .mobile-subtitle {
    font-size: 0.75rem !important;
    margin-bottom: 0.5rem !important;
    line-height: 1.2 !important;
  }
  
  .mobile-lang-toggle {
    min-height: 32px !important;
    min-width: 45px !important;
    padding: 4px 8px !important;
    font-size: 0.75rem !important;
  }
}

/* Landscape mode adjustments for mobile */
@media (max-width: 767px) and (orientation: landscape) {
  .mobile-title {
    font-size: clamp(1rem, 4vw, 1.5rem) !important;
    margin-bottom: 0.25rem !important;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.7rem, 2vw, 0.875rem) !important;
    margin-bottom: 0.5rem !important;
  }
  
  .mobile-lang-toggle {
    min-height: 32px !important;
    padding: 4px 8px !important;
    font-size: 0.75rem !important;
  }
  
  .mobile-header {
    padding: 0.5rem 0.25rem !important;
  }
}

/* Prevent text wrapping and ensure single line display */
@media (max-width: 767px) {
  .mobile-title,
  .mobile-subtitle {
    text-align: center;
    display: block;
    width: 100%;
  }
  
  .mobile-lang-toggle span {
    white-space: nowrap;
    display: inline-block;
  }
  
  /* Ensure button doesn't wrap */
  .mobile-lang-toggle {
    flex-shrink: 0;
    white-space: nowrap;
  }
}/* 
Mobile title and language toggle layout fixes */
.mobile-title-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  margin-bottom: 0.5rem;
}

/* Mobile title optimization - 여백 줄이기 */
@media (max-width: 767px) {
  .mobile-title {
    font-size: clamp(1.5rem, 6vw, 2.25rem) !important;
    line-height: 1.1;
    margin-bottom: 0.25rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.75rem, 3.5vw, 1rem) !important;
    line-height: 1.2;
    margin-bottom: 0.5rem;
    text-align: center;
    padding: 0 1rem;
  }
  
  /* Compact language toggle for mobile */
  .mobile-lang-toggle {
    min-height: 40px !important;
    min-width: 60px !important;
    padding: 8px 12px !important;
    font-size: 0.875rem !important;
    border-radius: 8px !important;
    margin-top: 0.25rem;
  }
  
  .mobile-lang-toggle span {
    font-size: 0.875rem;
    white-space: nowrap;
  }
}

/* Extra small mobile devices */
@media (max-width: 480px) {
  .mobile-title {
    font-size: clamp(1.25rem, 5vw, 1.75rem) !important;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.7rem, 3vw, 0.875rem) !important;
    padding: 0 0.5rem;
  }
  
  .mobile-lang-toggle {
    min-height: 36px !important;
    min-width: 56px !important;
    padding: 6px 10px !important;
    font-size: 0.8rem !important;
  }
  
  .mobile-header {
    padding: 0.5rem 0 !important;
    gap: 0.25rem !important;
  }
}

/* Very small screens (iPhone SE, etc.) */
@media (max-width: 375px) {
  .mobile-title {
    font-size: 1.25rem !important;
    margin-bottom: 0.25rem;
  }
  
  .mobile-subtitle {
    font-size: 0.75rem !important;
    margin-bottom: 0.5rem;
  }
  
  .mobile-lang-toggle {
    min-height: 32px !important;
    min-width: 52px !important;
    padding: 4px 8px !important;
    font-size: 0.75rem !important;
  }
}

/* Landscape mode adjustments for mobile */
@media (max-width: 767px) and (orientation: landscape) {
  .mobile-title-container {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
  }
  
  .mobile-title {
    font-size: clamp(1rem, 4vw, 1.5rem) !important;
    margin-bottom: 0;
    flex-shrink: 0;
  }
  
  .mobile-subtitle {
    font-size: clamp(0.7rem, 2.5vw, 0.875rem) !important;
    margin-bottom: 0;
    text-align: left;
    flex: 1;
    padding: 0 0.5rem;
  }
  
  .mobile-lang-toggle {
    margin-top: 0;
    flex-shrink: 0;
  }
  
  .mobile-header {
    padding: 0.75rem 0 !important;
  }
}

/* Prevent text wrapping and overflow issues */
@media (max-width: 767px) {
  .mobile-title,
  .mobile-subtitle {
    word-break: keep-all;
    overflow-wrap: normal;
  }
  
  .mobile-lang-toggle {
    flex-shrink: 0;
    white-space: nowrap;
  }
  
  .mobile-lang-toggle span {
    display: inline-block;
    white-space: nowrap;
  }
}

/* ========================================================================== 
   최종 모바일 입력 필드 좌우 배치 강제 적용 - 절대 우선순위
   ========================================================================== */

/* 모든 모바일 화면에서 강제 좌우 배치 */
@media screen and (max-width: 767px) {
  body main#main-content section.mobile-input-section {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
    margin: 1rem 0 !important;
    width: 100% !important;
  }
  
  body main#main-content section.mobile-input-section div.mobile-input-group {
    flex: 1 1 50% !important;
    display: flex !important;
    flex-direction: column !important;
    gap: 0.5rem !important;
    margin-bottom: 0 !important;
    width: auto !important;
    max-width: none !important;
  }
}

/* 세로 모드에서도 강제 좌우 배치 */
@media screen and (max-width: 767px) and (orientation: portrait) {
  body main#main-content section.mobile-input-section {
    display: flex !important;
    flex-direction: row !important;
    align-items: flex-start !important;
    gap: 0.75rem !important;
    margin: 1rem 0 !important;
  }
  
  body main#main-content section.mobile-input-section div.mobile-input-group {
    flex: 1 1 50% !important;
    display: flex !important;
    flex-direction: column !important;
  }
}

/* 초소형 화면에서도 좌우 배치 */
@media screen and (max-width: 480px) {
  body main#main-content section.mobile-input-section {
    gap: 0.5rem !important;
  }
}

@media screen and (max-width: 320px) {
  body main#main-content section.mobile-input-section {
    gap: 0.4rem !important;
  }
}