/* DS MARKET Stylesheet - Android Version */
/* Theme Colors: #9CB4C7 (Primary), #F5F7FA (Background) */

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans KR", sans-serif;
  background-color: #F5F7FA;
  color: #333;
  line-height: 1.6;
  min-height: 100vh;
}

.app {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

/* Header - Premium Edition */
.header-premium {
  position: relative;
  background: linear-gradient(135deg, 
    #1e3a5f 0%, 
    #2c5282 50%, 
    #3d5a80 100%);
  padding: 0;
  margin-bottom: 50px;
  border-radius: 0 0 40px 40px;
  box-shadow: 
    0 10px 40px rgba(30, 58, 95, 0.3),
    0 2px 8px rgba(0, 0, 0, 0.1);
  overflow: hidden;
  opacity: 0;
  transform: translateY(-20px);
  animation: headerSlideDown 0.8s ease forwards;
}

@keyframes headerSlideDown {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.header-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.08) 0%, transparent 50%);
  pointer-events: none;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

.header-container {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 50px 40px 40px;
  gap: 30px;
}

.logo-section {
  position: relative;
  opacity: 0;
  transform: scale(0.8);
  animation: logoZoomIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards 0.3s;
}

@keyframes logoZoomIn {
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.logo-premium {
  width: 140px;
  height: 140px;
  border-radius: 32px;
  box-shadow: 
    0 8px 24px rgba(0, 0, 0, 0.25),
    0 0 0 6px rgba(255, 255, 255, 0.1),
    0 0 0 12px rgba(255, 255, 255, 0.05);
  object-fit: cover;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 3px solid rgba(255, 255, 255, 0.2);
}

.logo-premium:hover {
  transform: translateY(-8px) scale(1.05);
  box-shadow: 
    0 16px 48px rgba(0, 0, 0, 0.35),
    0 0 0 6px rgba(255, 255, 255, 0.15),
    0 0 0 12px rgba(255, 255, 255, 0.08);
}

.title-section {
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.8s ease forwards 0.5s;
}

.title-premium {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 15px;
  margin-bottom: 16px;
}

.title-main {
  font-size: 3.5rem;
  font-weight: 900;
  color: white;
  letter-spacing: 2px;
  text-shadow: 
    0 4px 20px rgba(0, 0, 0, 0.4),
    0 2px 8px rgba(0, 0, 0, 0.3);
  font-family: 'Arial Black', 'Impact', Arial, sans-serif;
  position: relative;
  display: inline-block;
  opacity: 0;
  animation: titleReveal 1s ease forwards 0.6s;
}

@keyframes titleReveal {
  0% {
    opacity: 0;
    letter-spacing: 10px;
  }
  100% {
    opacity: 1;
    letter-spacing: 2px;
  }
}

.title-main::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 80%;
  height: 3px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(255, 255, 255, 0.8) 20%,
    rgba(255, 255, 255, 0.8) 80%,
    transparent 100%
  );
  border-radius: 2px;
  animation: underlineExpand 0.8s ease forwards 1.2s;
}

@keyframes underlineExpand {
  to {
    transform: translateX(-50%) scaleX(1);
  }
}

.subtitle-premium {
  font-size: 1.4rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.95);
  text-transform: uppercase;
  letter-spacing: 4px;
  margin-bottom: 12px;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  font-family: 'Arial', sans-serif;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 1.4s;
}

.tagline {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 400;
  letter-spacing: 1px;
  line-height: 1.6;
  max-width: 600px;
  margin: 0 auto;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 1.6s;
}

.header-decoration {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(
    90deg,
    #3d5a80 0%,
    #9CB4C7 25%,
    #7A9AB8 50%,
    #9CB4C7 75%,
    #3d5a80 100%
  );
  box-shadow: 0 2px 8px rgba(156, 180, 199, 0.4);
}

/* Old Header (fallback) */
.header {
  text-align: center;
  padding: 40px 20px;
  background: linear-gradient(135deg, #9CB4C7 0%, #7A9AB8 100%);
  border-radius: 20px;
  margin-bottom: 40px;
  box-shadow: 0 4px 20px rgba(156, 180, 199, 0.3);
}

.logo {
  width: 120px;
  height: 120px;
  border-radius: 24px;
  margin-bottom: 20px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  object-fit: cover;
}

.title {
  font-size: 2.5rem;
  font-weight: 700;
  color: white;
  margin-bottom: 10px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.9);
  font-weight: 400;
}

/* Main Content */
.main-content {
  padding: 0 10px;
}

/* Section Styling */
.app-section,
.coupang-section,
.community-section {
  background: white;
  border-radius: 16px;
  padding: 40px;
  margin-bottom: 30px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInUp 0.8s ease forwards;
}

.app-section {
  animation-delay: 0.2s;
}

.coupang-section-premium {
  animation-delay: 0s;
}

.community-section {
  animation-delay: 0.4s;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Disclosure Section - Special Styling */
.disclosure-section {
  background: #fff9e6;
  border-left: 4px solid #ffa500;
  padding: 24px 30px;
  margin-bottom: 30px;
  border-radius: 8px;
  box-shadow: 0 2px 8px rgba(255, 165, 0, 0.1);
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.7s ease forwards 0.3s;
}

.disclosure-text {
  font-size: 0.95rem;
  color: #856404;
  line-height: 1.8;
  margin: 0;
  font-weight: 500;
  text-align: center;
  letter-spacing: 0.3px;
  opacity: 0;
  animation: fadeIn 0.8s ease forwards 0.5s;
}

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

/* Section Header - Premium Style */
.section-header {
  text-align: center;
  margin-bottom: 30px;
  padding-bottom: 25px;
  border-bottom: 2px solid #f0f0f0;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.6s ease forwards 0.3s;
}

.section-header::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  width: 120px;
  height: 3px;
  background: linear-gradient(90deg, #9CB4C7 0%, #7A9AB8 50%, #9CB4C7 100%);
  animation: scaleIn 0.8s ease forwards 0.5s;
  border-radius: 2px;
  box-shadow: 0 2px 8px rgba(156, 180, 199, 0.4);
}

@keyframes scaleIn {
  to {
    transform: translateX(-50%) scaleX(1);
  }
}

.section-title {
  font-size: 2.2rem;
  color: #2c3e50;
  margin-bottom: 8px;
  font-weight: 700;
  letter-spacing: -0.5px;
  background: linear-gradient(135deg, #9CB4C7 0%, #7A9AB8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: 0.9rem;
  color: #95a5a6;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 500;
  opacity: 0;
  transform: translateY(10px);
  animation: fadeInUp 0.6s ease forwards 0.4s;
}

.section-description {
  color: #7f8c8d;
  margin-bottom: 30px;
  font-size: 1rem;
  text-align: center;
  font-weight: 400;
  opacity: 0;
  transform: translateY(10px);
  animation: fadeInUp 0.6s ease forwards 0.5s;
}

/* App Grid */
.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 30px;
}

.app-card {
  display: flex;
  align-items: center;
  padding: 24px;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border-radius: 16px;
  text-decoration: none;
  color: inherit;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 1px solid #e8eaed;
  cursor: pointer;
  position: relative;
  z-index: 1;
  overflow: hidden;
  opacity: 0;
  transform: translateY(30px) scale(0.95);
  animation: cardFadeIn 0.6s ease forwards;
}

.app-card:nth-child(1) { animation-delay: 0.1s; }
.app-card:nth-child(2) { animation-delay: 0.2s; }
.app-card:nth-child(3) { animation-delay: 0.3s; }
.app-card:nth-child(4) { animation-delay: 0.4s; }
.app-card:nth-child(5) { animation-delay: 0.5s; }
.app-card:nth-child(6) { animation-delay: 0.6s; }

@keyframes cardFadeIn {
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.app-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(156, 180, 199, 0.1) 0%, rgba(122, 154, 184, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.4s ease;
  z-index: -1;
}

.app-card:hover::before {
  opacity: 1;
}

.app-card:hover {
  transform: translateY(-12px) scale(1.02);
  box-shadow: 
    0 16px 48px rgba(156, 180, 199, 0.35),
    0 8px 16px rgba(0, 0, 0, 0.1);
  border-color: #7A9AB8;
}

.app-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  margin-right: 20px;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.app-card:hover .app-icon {
  transform: scale(1.15) rotate(5deg);
  box-shadow: 0 8px 24px rgba(156, 180, 199, 0.4);
}
  margin-right: 18px;
  object-fit: cover;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  transition: transform 0.3s ease;
}

.app-card:hover .app-icon {
  transform: scale(1.08);
}

.app-info {
  flex: 1;
}

.app-name {
  font-size: 1.25rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 6px;
  letter-spacing: -0.3px;
  transition: all 0.3s ease;
}

.app-card:hover .app-name {
  color: #7A9AB8;
  transform: translateX(4px);
}

.app-desc {
  font-size: 0.95rem;
  color: #7f8c8d;
  line-height: 1.5;
  transition: all 0.3s ease;
}

.app-card:hover .app-desc {
  color: #5d6d7e;
  transform: translateX(4px);
}

/* Coupang Banner - Premium Design */
.coupang-section-premium {
  margin-bottom: 30px;
}

.coupang-banner-premium {
  display: block;
  text-decoration: none;
  position: relative;
  height: 180px;
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
  cursor: pointer;
}

.banner-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, 
    rgba(220, 38, 38, 0.88) 0%, 
    rgba(185, 28, 28, 0.90) 50%,
    rgba(153, 27, 27, 0.92) 100%);
  z-index: 1;
  backdrop-filter: blur(2px);
}

.banner-content-premium {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 40px 50px;
  gap: 30px;
}

.banner-logo-wrapper {
  flex-shrink: 0;
}

.coupang-logo-text {
  font-size: 3rem;
  font-weight: 900;
  color: white;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-shadow: 
    0 4px 12px rgba(0, 0, 0, 0.3),
    0 2px 4px rgba(0, 0, 0, 0.2);
  font-family: 'Arial Black', Arial, sans-serif;
  position: relative;
}

.coupang-logo-text::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.9) 0%, rgba(255, 255, 255, 0.3) 100%);
  border-radius: 2px;
}

.banner-text-wrapper {
  flex: 1;
}

.banner-title-premium {
  font-size: 2.2rem;
  font-weight: 800;
  color: white;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  text-shadow: 0 3px 10px rgba(0, 0, 0, 0.25);
  line-height: 1.2;
}

.banner-desc-premium {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.98);
  font-weight: 500;
  letter-spacing: 0.5px;
  line-height: 1.6;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
}

.banner-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
}

.arrow-icon {
  font-size: 2rem;
  color: white;
  font-weight: 700;
  transition: transform 0.3s ease;
}

.coupang-banner-premium:hover {
  transform: translateY(-8px);
  box-shadow: 0 16px 48px rgba(220, 38, 38, 0.4);
}

.coupang-banner-premium:hover .banner-bg-image {
  transform: scale(1.08);
}

.coupang-banner-premium:hover .banner-arrow {
  background: rgba(255, 255, 255, 0.35);
  transform: scale(1.1);
}

.coupang-banner-premium:hover .arrow-icon {
  transform: translateX(8px);
}

.coupang-banner-premium:hover .coupang-logo-text {
  letter-spacing: 3px;
}
  transform: translateX(5px);
}

/* KakaoTalk Button - Premium Edition */
.community-section-premium {
  background: transparent;
  border-radius: 0;
  padding: 0;
  margin-bottom: 30px;
  opacity: 0;
  transform: translateY(40px);
  animation: fadeInUp 0.8s ease forwards;
  animation-delay: 0.4s;
}

.kakao-button-premium {
  display: block;
  text-decoration: none;
  background: linear-gradient(135deg, #FEE500 0%, #FFD700 50%, #FDB931 100%);
  border-radius: 24px;
  padding: 0;
  overflow: hidden;
  position: relative;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 
    0 8px 32px rgba(254, 229, 0, 0.4),
    0 4px 16px rgba(0, 0, 0, 0.1);
  border: 3px solid rgba(255, 255, 255, 0.5);
  cursor: pointer;
}

.kakao-button-premium::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(255, 255, 255, 0.3) 0%,
    transparent 50%,
    rgba(0, 0, 0, 0.05) 100%
  );
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.kakao-button-premium:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: 
    0 16px 48px rgba(254, 229, 0, 0.5),
    0 8px 24px rgba(0, 0, 0, 0.15),
    inset 0 0 0 3px rgba(255, 255, 255, 0.6);
}

.kakao-button-premium:hover::before {
  opacity: 0.7;
}

.kakao-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 25px 30px 20px;
  background: rgba(0, 0, 0, 0.03);
  border-bottom: 2px solid rgba(0, 0, 0, 0.08);
}

.kakao-icon-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #FFE066 0%, #FFD700 100%);
  border-radius: 50%;
  box-shadow: 
    0 4px 16px rgba(0, 0, 0, 0.15),
    inset 0 2px 4px rgba(255, 255, 255, 0.5);
  transition: all 0.4s ease;
}

.kakao-button-premium:hover .kakao-icon-wrapper {
  transform: scale(1.15) rotate(15deg);
  box-shadow: 
    0 8px 24px rgba(0, 0, 0, 0.2),
    inset 0 2px 4px rgba(255, 255, 255, 0.6);
}

.kakao-icon {
  font-size: 2rem;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.2));
}

.kakao-badge {
  padding: 8px 20px;
  background: linear-gradient(135deg, #FF6B6B 0%, #FF5252 100%);
  color: white;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 0 4px 12px rgba(255, 82, 82, 0.4);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% {
    transform: scale(1);
    box-shadow: 0 4px 12px rgba(255, 82, 82, 0.4);
  }
  50% {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(255, 82, 82, 0.6);
  }
}

.kakao-content {
  padding: 30px 35px;
  text-align: left;
}

.kakao-title-premium {
  font-size: 2rem;
  font-weight: 800;
  color: #3C1E1E;
  margin-bottom: 12px;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.kakao-button-premium:hover .kakao-title-premium {
  color: #2A0F0F;
  transform: translateX(5px);
}

.kakao-desc-premium {
  font-size: 1.1rem;
  color: rgba(60, 30, 30, 0.85);
  line-height: 1.6;
  margin-bottom: 20px;
  font-weight: 500;
}

.kakao-features {
  display: flex;
  gap: 15px;
  flex-wrap: wrap;
  margin-top: 15px;
}

.feature-item {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 600;
  color: #3C1E1E;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease;
}

.kakao-button-premium:hover .feature-item {
  background: rgba(255, 255, 255, 0.8);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
}

.kakao-action {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 35px 25px;
  background: rgba(0, 0, 0, 0.05);
  border-top: 2px solid rgba(0, 0, 0, 0.08);
}

.action-text-kakao {
  font-size: 1.2rem;
  font-weight: 700;
  color: #3C1E1E;
  transition: all 0.3s ease;
}

.kakao-button-premium:hover .action-text-kakao {
  color: #2A0F0F;
  transform: translateX(5px);
}

.action-arrow-kakao {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: rgba(60, 30, 30, 0.1);
  border-radius: 50%;
  font-size: 1.5rem;
  color: #3C1E1E;
  font-weight: 700;
  transition: all 0.4s ease;
}

.kakao-button-premium:hover .action-arrow-kakao {
  background: rgba(60, 30, 30, 0.15);
  transform: translateX(8px) scale(1.1);
}

/* Old KakaoTalk Button (fallback) */
.kakao-button {
  display: block;
  text-decoration: none;
  padding: 30px;
  background: linear-gradient(135deg, #FEE500 0%, #FDD835 100%);
  border-radius: 16px;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(254, 229, 0, 0.3);
  cursor: pointer;
  position: relative;
  z-index: 1;
}

.kakao-button:hover {
  transform: translateY(-6px) scale(1.02);
  box-shadow: 
    0 12px 32px rgba(254, 229, 0, 0.45),
    0 6px 12px rgba(0, 0, 0, 0.1);
}

.kakao-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: #3C1E1E;
  margin-bottom: 10px;
  transition: all 0.3s ease;
}

.kakao-button:hover .kakao-title {
  transform: scale(1.05);
}

.kakao-desc {
  font-size: 1.1rem;
  color: #3C1E1E;
  opacity: 0.9;
  transition: all 0.3s ease;
}

.kakao-button:hover .kakao-desc {
  opacity: 1;
}

/* Footer */
.footer {
  text-align: center;
  padding: 40px 20px;
  margin-top: 40px;
  border-top: 1px solid #e0e0e0;
}

.footer-text {
  color: #666;
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.footer-note {
  color: #999;
  font-size: 0.85rem;
  font-style: italic;
}

/* Responsive Design */
@media (max-width: 768px) {
  /* Premium Header Mobile */
  .header-container {
    padding: 40px 25px 30px;
    gap: 25px;
  }
  
  .logo-premium {
    width: 110px;
    height: 110px;
    border-radius: 24px;
  }
  
  .title-main {
    font-size: 2.5rem;
    letter-spacing: 1px;
  }
  
  .subtitle-premium {
    font-size: 1.1rem;
    letter-spacing: 3px;
  }
  
  .tagline {
    font-size: 0.95rem;
    letter-spacing: 0.5px;
  }
  
  /* Old styles */
  .title {
    font-size: 2rem;
  }
  
  .subtitle {
    font-size: 1rem;
  }
  
  .app-grid {
    grid-template-columns: 1fr;
  }
  
  .section-title {
    font-size: 1.5rem;
  }
  
  .banner-title-premium {
    font-size: 1.5rem;
  }
  
  .banner-desc-premium {
    font-size: 0.95rem;
  }
  
  .banner-content-premium {
    padding: 25px 30px;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
  }
  
  .banner-logo-wrapper {
    width: 100%;
  }
  
  .coupang-logo-text {
    font-size: 2rem;
    letter-spacing: 1px;
  }
  
  .banner-text-wrapper {
    width: 100%;
  }
  
  .banner-arrow {
    width: 50px;
    height: 50px;
    position: absolute;
    bottom: 20px;
    right: 20px;
  }
  
  .arrow-icon {
    font-size: 1.5rem;
  }
  
  /* Premium KakaoTalk Mobile */
  .kakao-header {
    padding: 20px 25px 15px;
  }
  
  .kakao-icon-wrapper {
    width: 50px;
    height: 50px;
  }
  
  .kakao-icon {
    font-size: 1.5rem;
  }
  
  .kakao-badge {
    padding: 6px 16px;
    font-size: 0.8rem;
  }
  
  .kakao-content {
    padding: 25px 30px;
  }
  
  .kakao-title-premium {
    font-size: 1.6rem;
  }
  
  .kakao-desc-premium {
    font-size: 1rem;
  }
  
  .kakao-features {
    gap: 10px;
  }
  
  .feature-item {
    font-size: 0.85rem;
    padding: 6px 12px;
  }
  
  .kakao-action {
    padding: 18px 30px 20px;
  }
  
  .action-text-kakao {
    font-size: 1.1rem;
  }
  
  .action-arrow-kakao {
    width: 45px;
    height: 45px;
    font-size: 1.3rem;
  }
  
  /* Old kakao styles */
  .kakao-title {
    font-size: 1.5rem;
  }
  
  .kakao-desc {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  /* Premium Header Small Mobile */
  .header-container {
    padding: 30px 20px 25px;
    gap: 20px;
  }
  
  .logo-premium {
    width: 90px;
    height: 90px;
    border-radius: 20px;
  }
  
  .title-main {
    font-size: 2rem;
    letter-spacing: 0.5px;
  }
  
  .subtitle-premium {
    font-size: 0.95rem;
    letter-spacing: 2px;
  }
  
  .tagline {
    font-size: 0.85rem;
    letter-spacing: 0.3px;
  }
  
  /* Old styles */
  .app {
    padding: 10px;
  }
  
  .header {
    padding: 30px 15px;
  }
  
  .logo {
    width: 100px;
    height: 100px;
  }
  
  .title {
    font-size: 1.8rem;
  }
  
  .app-section,
  .coupang-section,
  .community-section {
    padding: 20px;
  }
  
  .app-card {
    padding: 15px;
  }
  
  .app-icon {
    width: 50px;
    height: 50px;
  }
  
  /* Premium KakaoTalk Small Mobile */
  .kakao-header {
    padding: 18px 20px 12px;
    flex-direction: column;
    gap: 15px;
    align-items: center;
  }
  
  .kakao-icon-wrapper {
    width: 55px;
    height: 55px;
  }
  
  .kakao-icon {
    font-size: 1.6rem;
  }
  
  .kakao-badge {
    padding: 8px 20px;
    font-size: 0.85rem;
  }
  
  .kakao-content {
    padding: 20px 25px;
    text-align: center;
  }
  
  .kakao-title-premium {
    font-size: 1.5rem;
  }
  
  .kakao-desc-premium {
    font-size: 0.95rem;
  }
  
  .kakao-features {
    justify-content: center;
    gap: 8px;
  }
  
  .feature-item {
    font-size: 0.8rem;
    padding: 6px 10px;
  }
  
  .kakao-action {
    padding: 16px 25px 18px;
    flex-direction: column;
    gap: 12px;
  }
  
  .action-text-kakao {
    font-size: 1rem;
    text-align: center;
  }
  
  .action-arrow-kakao {
    width: 50px;
    height: 50px;
    font-size: 1.5rem;
  }
}

/* ================================================
   BOARD ACTION BUTTONS STYLES
   ================================================ */

/* Post Detail Actions Container */
.post-detail-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 2px solid #f0f2f5;
  flex-wrap: wrap;
}

/* Action Group - Right Side Buttons */
.action-group {
  display: flex;
  gap: 10px;
  align-items: center;
}

/* Base Action Button Style */
.btn-action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 20px;
  border: none;
  border-radius: 12px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  white-space: nowrap;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.btn-action .icon {
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-style: normal;
}

.btn-action:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

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

/* Secondary Button - 목록으로 */
.btn-action.btn-secondary {
  background: linear-gradient(135deg, #6c757d 0%, #5a6268 100%);
  color: white;
}

.btn-action.btn-secondary:hover {
  background: linear-gradient(135deg, #5a6268 0%, #495057 100%);
}

/* Edit Button - 수정 */
.btn-action.btn-edit {
  background: linear-gradient(135deg, #2c5282 0%, #2b6cb0 100%);
  color: white;
}

.btn-action.btn-edit:hover {
  background: linear-gradient(135deg, #2b6cb0 0%, #3182ce 100%);
  box-shadow: 0 4px 16px rgba(44, 82, 130, 0.4);
}

/* Delete Button - 삭제 */
.btn-action.btn-delete {
  background: linear-gradient(135deg, #c53030 0%, #e53e3e 100%);
  color: white;
}

.btn-action.btn-delete:hover {
  background: linear-gradient(135deg, #e53e3e 0%, #f56565 100%);
  box-shadow: 0 4px 16px rgba(197, 48, 48, 0.4);
}

/* Reply Button - 답글 */
.btn-action.btn-reply {
  background: linear-gradient(135deg, #2f855a 0%, #38a169 100%);
  color: white;
}

.btn-action.btn-reply:hover {
  background: linear-gradient(135deg, #38a169 0%, #48bb78 100%);
  box-shadow: 0 4px 16px rgba(47, 133, 90, 0.4);
}

/* Small Buttons for Replies */
.btn-small {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 6px 12px;
  border: none;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.btn-edit-small {
  background: rgba(44, 82, 130, 0.1);
  color: #2c5282;
  border: 1px solid rgba(44, 82, 130, 0.3);
}

.btn-edit-small:hover {
  background: #2c5282;
  color: white;
}

.btn-delete-small {
  background: rgba(197, 48, 48, 0.1);
  color: #c53030;
  border: 1px solid rgba(197, 48, 48, 0.3);
}

.btn-delete-small:hover {
  background: #c53030;
  color: white;
}

/* Content Area Background */
.post-detail-content {
  background: linear-gradient(135deg, 
    rgba(156, 180, 199, 0.03) 0%, 
    rgba(122, 154, 184, 0.05) 100%);
  padding: 24px;
  border-radius: 12px;
  border: 1px solid rgba(156, 180, 199, 0.15);
  margin-top: 20px;
  line-height: 1.8;
  font-size: 1.05rem;
  color: #2c3e50;
  min-height: 150px;
}

/* Reply Content Background */
.reply-content {
  background: linear-gradient(135deg, 
    rgba(122, 154, 184, 0.02) 0%, 
    rgba(156, 180, 199, 0.04) 100%);
  padding: 16px;
  border-radius: 10px;
  border: 1px solid rgba(156, 180, 199, 0.12);
  margin: 12px 0;
  line-height: 1.7;
  color: #34495e;
}

/* Reply Actions */
.reply-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .post-detail-actions {
    flex-direction: column;
    gap: 12px;
  }

  .action-group {
    width: 100%;
    justify-content: space-between;
  }

  .btn-action {
    flex: 1;
    padding: 10px 16px;
    font-size: 0.9rem;
  }

  .btn-action.btn-secondary {
    width: 100%;
  }
}

/* ================================================
   LUXURY FLOATING BUTTON - 콘텐츠 요청·신고
   Premium Design with Enhanced Visuals - Right Side Sticky
   ================================================ */

.floating-button-luxury {
  position: fixed;
  top: 50%;
  right: 20px;
  transform: translateY(-50%);
  width: 140px;
  height: 160px;
  background: linear-gradient(135deg, #2c3e50 0%, #3d5a80 50%, #4a6fa5 100%);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 
    0 10px 40px rgba(61, 90, 128, 0.5),
    0 0 0 8px rgba(255, 255, 255, 0.1),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  z-index: 9999;
  border: 4px solid rgba(255, 255, 255, 0.3);
  text-decoration: none;
  overflow: hidden;
}

.floating-button-luxury::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent 30%,
    rgba(255, 255, 255, 0.1) 50%,
    transparent 70%
  );
  transform: rotate(45deg);
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0%, 100% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  50% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

.floating-button-luxury:hover {
  transform: translateY(-50%) translateX(-8px) scale(1.05);
  box-shadow: 
    0 20px 60px rgba(61, 90, 128, 0.6),
    0 0 0 12px rgba(255, 255, 255, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.3);
  border-color: rgba(255, 255, 255, 0.5);
}

.floating-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  z-index: 2;
  position: relative;
}

.floating-icon-wrapper {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.05) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.4s ease;
  border: 2px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.floating-button-luxury:hover .floating-icon-wrapper {
  transform: scale(1.15) rotate(-8deg);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.25) 0%, rgba(255, 255, 255, 0.1) 100%);
  border-color: rgba(255, 255, 255, 0.4);
}

.floating-icon {
  font-size: 2.2rem;
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.3));
  transition: all 0.3s ease;
}

.floating-button-luxury:hover .floating-icon {
  transform: scale(1.1);
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
}

.floating-text-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  transition: all 0.3s ease;
}

.floating-title {
  color: white;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: 1px;
  text-shadow: 
    0 2px 4px rgba(0, 0, 0, 0.3),
    0 0 20px rgba(255, 255, 255, 0.3);
  transition: all 0.3s ease;
  line-height: 1;
}

.floating-subtitle {
  color: rgba(255, 255, 255, 0.95);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  line-height: 1;
}

.floating-button-luxury:hover .floating-title {
  transform: translateY(-2px);
  font-size: 1.1rem;
  text-shadow: 
    0 3px 6px rgba(0, 0, 0, 0.4),
    0 0 25px rgba(255, 255, 255, 0.4);
}

.floating-button-luxury:hover .floating-subtitle {
  transform: translateY(-2px);
  font-size: 0.9rem;
  color: white;
}

.floating-glow {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100%;
  height: 100%;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(156, 180, 199, 0.4) 0%, transparent 70%);
  border-radius: 24px;
  animation: glowPulse 3s ease-in-out infinite;
  z-index: 1;
}

@keyframes glowPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.6;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.2);
    opacity: 0.8;
  }
}

/* Responsive - Luxury Floating Button */
@media (max-width: 768px) {
  .floating-button-luxury {
    right: 16px;
    width: 110px;
    height: 130px;
    border-radius: 20px;
  }
  
  .floating-glow {
    border-radius: 20px;
  }
  
  .floating-icon-wrapper {
    width: 48px;
    height: 48px;
  }
  
  .floating-icon {
    font-size: 1.8rem;
  }
  
  .floating-title {
    font-size: 0.9rem;
  }
  
  .floating-subtitle {
    font-size: 0.75rem;
  }
  
  .floating-button-luxury:hover .floating-title {
    font-size: 0.95rem;
  }
  
  .floating-button-luxury:hover .floating-subtitle {
    font-size: 0.8rem;
  }
}

@media (max-width: 480px) {
  .floating-button-luxury {
    right: 12px;
    width: 90px;
    height: 110px;
    border-radius: 16px;
  }
  
  .floating-glow {
    border-radius: 16px;
  }
  
  .floating-icon-wrapper {
    width: 40px;
    height: 40px;
  }
  
  .floating-icon {
    font-size: 1.5rem;
  }
  
  .floating-title {
    font-size: 0.8rem;
    letter-spacing: 0.5px;
  }
  
  .floating-subtitle {
    font-size: 0.65rem;
  }
  
  .floating-button-luxury:hover .floating-title {
    font-size: 0.85rem;
  }
  
  .floating-button-luxury:hover .floating-subtitle {
    font-size: 0.7rem;
  }
}