:root {
  --bg-color: #f8f9fa;
  --text-color: #212529;
  --card-bg: #ffffff;
  --border-color: #dee2e6;
  --hover-shadow: rgba(0, 0, 0, 0.1);
  --primary-color: #0d6efd;
  --primary-hover: #0b5ed7;
  --accent-color: #fd7e14;
  --gradient-start: #6366f1;
  --gradient-end: #3b82f6;
}

[data-theme="dark"] {
  --bg-color: #0a0b0f;
  --text-color: #ffffff;
  --card-bg: #16181d;
  --border-color: #2d2f36;
  --hover-shadow: rgba(255, 255, 255, 0.05);
  --primary-color: #4d9fff;
  --primary-hover: #3d7acc;
  --gradient-start: #6366f1;
  --gradient-end: #3b82f6;
  --card-dark: #1a1c21;
  --text-muted: #9ca3af;
  --text-primary: #ffffff;
  --text-secondary: #9ca3af;
  --bs-secondary-color: #ffffff;
}

[data-theme="dark"] h1,
[data-theme="dark"] h2,
[data-theme="dark"] h3,
[data-theme="dark"] h4,
[data-theme="dark"] h5,
[data-theme="dark"] h6,
[data-theme="dark"] p,
[data-theme="dark"] .lead,
[data-theme="dark"] .nav-tabs .nav-link,
[data-theme="dark"] .category-title,
[data-theme="dark"] .card-title,
[data-theme="dark"] .result-box,
[data-theme="dark"] .emoji-part,
[data-theme="dark"] .btn-outline-primary,
[data-theme="dark"] .btn-dark {
  color: var(--text-primary);
}

[data-theme="dark"] .emotion-tag,
[data-theme="dark"] .text-muted,
[data-theme="dark"] .small {
  color: var(--text-secondary) !important;
}

[data-theme="dark"] .btn-outline-primary:hover {
  color: #ffffff;
}

[data-theme="dark"] .nav-tabs .nav-link.active {
  color: var(--primary-color);
}

[data-theme="dark"] .card {
  background: var(--card-dark);
}

[data-theme="dark"] .card-body {
  color: var(--text-primary);
}

[data-theme="dark"] .emoji-part:hover {
  color: var(--text-primary);
}

[data-theme="dark"] .emoji-part.selected {
  color: #ffffff;
}

[data-theme="dark"] .dropdown-header {
  color: var(--text-primary);
}

[data-theme="dark"] .dropdown-item {
  color: #ffffff;
}

[data-theme="dark"] .dropdown-item:hover,
[data-theme="dark"] .dropdown-item:focus {
  color: var(--text-primary);
}

body {
  background: linear-gradient(135deg, var(--bg-color) 0%, rgba(var(--primary-color), 0.05) 100%);
  color: var(--text-color);
  transition: all 0.3s ease;
  min-height: 100vh;
  padding-bottom: 4rem;
}

.header-group {
  z-index: 1060;
  padding: 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  position: relative;
}

.header-controls .btn {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-color);
  padding: 0;
  font-size: 1.2rem;
  transition: all 0.3s ease;
}

.header-controls .btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
  color: var(--primary-color);
}

#themeToggle {
  z-index: 9998;
}

#scrollToPresets {
  position: relative;
  border: none;
  overflow: hidden;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.1);
  z-index: 9999;
}

#scrollToPresets::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(120deg,
          transparent,
          rgba(255, 255, 255, 0.2),
          transparent);
  transition: all 0.6s;
}

#scrollToPresets:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.2);
}

#scrollToPresets:hover::before {
  left: 100%;
}

#scrollToPresets i {
  transition: transform 0.3s ease;
  display: inline-block;
}

#scrollToPresets:hover i {
  animation: bounce 0.8s ease infinite;
}

#scrollToPresets {
  animation: gentle-pulse 2s infinite;
}

@keyframes bounce {

  0%,
  100% {
      transform: translateY(0);
  }

  50% {
      transform: translateY(-3px);
  }
}

@keyframes gentle-pulse {
  0% {
      transform: scale(1);
  }

  50% {
      transform: scale(1.02);
  }

  100% {
      transform: scale(1);
  }
}

[data-theme="dark"] #scrollToPresets {
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.15);
}

[data-theme="dark"] #scrollToPresets:hover {
  box-shadow: 0 8px 25px rgba(99, 102, 241, 0.25);
}

#scrollToStartCreating {
  z-index: 9999;
}

.dropdown-menu {
  min-width: 200px;
  padding: 0.5rem;
  border-radius: 1rem;
  border: 2px solid var(--border-color);
  background: var(--card-bg);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
  margin-top: 0.5rem;
  z-index: 99999;
}

.dropdown-header {
  padding: 0.75rem 1rem;
  font-weight: 600;
  color: var(--text-color);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 0.5rem;
}

.dropdown-item {
  padding: 0.75rem 1rem;
  border-radius: 0.5rem;
  color: var(--text-color);
  display: flex;
  align-items: center;
  transition: all 0.2s ease;
}

.dropdown-item:hover {
  background: rgba(var(--primary-color), 0.1);
  color: var(--primary-color);
}

.dropdown-item.active {
  background: var(--primary-color);
  color: white;
}

[data-theme="dark"] body {
  background-color: #0a0b0f;
}

[data-theme="dark"] .header-controls .btn {
  background: #1a1c21;
  border-color: #2d2f36;
  color: #9ca3af;
}

[data-theme="dark"] .dropdown-menu {
  background: #1a1c21;
  border-color: #2d2f36;
}

[data-theme="dark"] .dropdown-header {
  color: #ffffff;
  border-bottom-color: #2d2f36;
}

.site-header {
  background: linear-gradient(135deg, var(--gradient-start), var(--gradient-end));
  padding: 1rem 1rem 3rem 1rem;
  margin-bottom: 3rem;
  position: relative;
  color: white;
}

.site-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  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='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  overflow: hidden;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
}

.card-body {
  padding: 2rem;
}

.result-box {
  background: linear-gradient(135deg, var(--card-bg), rgba(var(--primary-color), 0.05));
  border: 2px solid var(--border-color);
  border-radius: 1rem;
  min-height: 100px;
  font-size: 3rem;
  transition: all 0.3s ease;
  backdrop-filter: blur(8px);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.result-box:hover {
  border-color: var(--primary-color);
  box-shadow: 0 0 20px rgba(var(--primary-color), 0.2);
}

.result-box,
.emoji-part {
  font-family: arial,sans-serif;
  line-height: 1;
  text-align: center;
  font-weight: normal;
  font-variant-ligatures: none;
  -webkit-font-feature-settings: "liga" 0, "dlig" 0;
  font-feature-settings: "liga" 0, "dlig" 0;
}

.result-box .h5,
.emoji-part .h5 {
  font-family: inherit;
  line-height: inherit;
  font-weight: inherit;
}

.nav-tabs {
  border-bottom: 2px solid var(--border-color);
  gap: 0.5rem;
}

.nav-tabs .nav-link {
  border: none;
  color: var(--text-color);
  padding: 1rem 1.5rem;
  border-radius: 0.75rem 0.75rem 0 0;
  transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover {
  background: rgba(var(--primary-color), 0.1);
}

.nav-tabs .nav-link.active {
  color: var(--primary-color);
  border-bottom: 3px solid var(--primary-color);
  background: transparent;
}

.emoji-part {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 1rem;
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.emoji-part:hover {
  transform: translateY(-4px);
  border-color: var(--primary-color);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.emoji-part.selected {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
  color: white;
}

.emoji-part.selected .emotion-tag {
  color: rgba(255, 255, 255, 0.8);
}

.toast {
  backdrop-filter: blur(8px);
  border-radius: 1rem;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

#goToTopBtn {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 1000;
  width: 50px;
  height: 50px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary-color), var(--gradient-end));
  color: white;
  border: none;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  opacity: 0;
  visibility: hidden;
  font-size: 1.2rem;
}

#goToTopBtn.visible {
  opacity: 1;
  visibility: visible;
}

#goToTopBtn:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

.fade-in {
  animation: fadeIn 0.5s ease-in-out;
}

@keyframes fadeIn {
  from {
      opacity: 0;
      transform: translateY(10px);
  }

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

.info-article {
  max-width: 800px;
  margin: 4rem auto;
  padding: 2rem;
  border-radius: 1rem;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
}

.info-article h2 {
  color: var(--text-color);
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  font-weight: 600;
}

.info-article p {
  color: var(--text-color);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.info-article code {
  background: rgba(var(--primary-color), 0.1);
  padding: 0.2rem 0.4rem;
  border-radius: 0.3rem;
  font-family: monospace;
  color: var(--primary-color);
}

.info-article strong {
  color: var(--primary-color);
  font-weight: 600;
}

[data-theme="dark"] .info-article {
  background: var(--card-dark);
}

[data-theme="dark"] .info-article h2,
[data-theme="dark"] .info-article p {
  color: var(--text-primary);
}

[data-theme="dark"] .info-article code {
  background: rgba(77, 159, 255, 0.1);
  color: var(--primary-color);
}

[data-theme="dark"] .info-article strong {
  color: var(--primary-color);
}

@media (max-width: 768px) {
  .header-group {
      padding: 1rem;
  }

  .header-controls .btn {
      width: 45px;
      height: 45px;
  }

  .card-body {
      padding: 1.5rem;
  }

  .result-box {
      font-size: 2rem;
      padding: 1.5rem;
  }
}