:root {
  --bg-main: #f6f3eb;
  --bg-card: #ffffff;
  --text-main: #1a1a1a;
  --text-muted: #666666;
  --primary-color: #d4ac0d;
  --primary-hover: #b8960b;
  --accent-pink: #fdf2f2;
  --accent-blue: #e3f2fd;
  --accent-green: #e9f1e1;
  --font-heading: 'Inter', system-ui, sans-serif;
  --font-mono: 'Space Mono', 'JetBrains Mono', monospace;
  --radius-lg: 24px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --shadow-subtle: 0 4px 12px rgba(0, 0, 0, 0.05);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
  --transition: all 0.2s ease-in-out;
}

[data-theme="dark"] {
  --bg-main: #121212;
  --bg-card: #1e1e1e;
  --text-main: #f5f5f5;
  --text-muted: #a0a0a0;
  --primary-color: #f1c40f;
  --primary-hover: #d4ac0d;
  --accent-pink: #3d2a2a;
  --accent-blue: #1c3140;
  --accent-green: #253322;
  --shadow-subtle: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.6);
}

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

body {
  font-family: var(--font-mono);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  transition: background-color var(--transition), color var(--transition);
}

h1, h2, h3, h4, .nav-logo {
  font-family: var(--font-heading);
  font-weight: 700;
}

a {
  text-decoration: none;
  color: inherit;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--bg-main);
  border-bottom: 1px solid rgba(0,0,0,0.05);
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
[data-theme="dark"] .header {
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.nav-links {
  display: flex;
  gap: 2rem;
}
.nav-link {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: color var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--text-main);
}

.theme-toggle {
  background: none;
  border: none;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--text-main);
}

/* Layout */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 2rem;
}

@media (max-width: 900px) {
  .container {
    grid-template-columns: 1fr;
  }
}

/* Main Content */
.main-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.hero {
  background-color: var(--bg-card);
  padding: 3rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
  text-align: center;
}
.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
.hero p {
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Categories List */
.categories-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: 1.5rem;
}
.category-pill {
  padding: 0.5rem 1rem;
  background-color: var(--bg-main);
  border: 1px solid rgba(0,0,0,0.1);
  border-radius: 99px;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
}
[data-theme="dark"] .category-pill {
  border-color: rgba(255,255,255,0.1);
}
.category-pill:hover, .category-pill.active {
  background-color: var(--primary-color);
  color: #fff;
  border-color: var(--primary-color);
}

/* Name Cards Grid */
.names-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.name-card {
  background-color: var(--bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  display: flex;
  flex-direction: column;
}
.name-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}

.card-decoration {
  display: flex;
  gap: 4px;
  margin-bottom: 1rem;
}
.card-decoration span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--primary-color);
  opacity: 0.5;
}

.name-title {
  font-size: 1.8rem;
  margin-bottom: 0.5rem;
}
.name-category-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}
.tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  background-color: #eee;
  color: #333;
}
[data-theme="dark"] .tag { background-color: #333; color: #eee; }
.tag.girl { background-color: var(--accent-pink); color: #8a3a3a; }
.tag.boy { background-color: var(--accent-blue); color: #2c5282; }
[data-theme="dark"] .tag.girl { color: #ffbaba; }
[data-theme="dark"] .tag.boy { color: #baddff; }

.name-description {
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-grow: 1;
  margin-bottom: 1.5rem;
}

.card-actions {
  display: flex;
  gap: 1rem;
}
.btn {
  font-family: var(--font-mono);
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  transition: var(--transition);
  text-align: center;
  flex: 1;
}
.btn-primary {
  background-color: var(--primary-color);
  color: #fff;
}
[data-theme="dark"] .btn-primary { color: #111; }
.btn-primary:hover {
  background-color: var(--primary-hover);
}
.btn-outline {
  background-color: transparent;
  border: 1px solid var(--text-muted);
  color: var(--text-main);
}
.btn-outline:hover {
  border-color: var(--text-main);
  background-color: rgba(0,0,0,0.02);
}
[data-theme="dark"] .btn-outline:hover { background-color: rgba(255,255,255,0.05); }
.btn-outline.saved {
  background-color: var(--text-main);
  color: var(--bg-main);
  border-color: var(--text-main);
}

/* Sidebar */
.sidebar {
  position: sticky;
  top: 80px;
  height: fit-content;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}
.shortlist-box {
  background-color: var(--bg-card);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
  min-height: 200px;
  border: 2px dashed rgba(0,0,0,0.1);
}
[data-theme="dark"] .shortlist-box { border-color: rgba(255,255,255,0.1); }
.shortlist-box.has-items { border: 2px solid transparent; }

.shortlist-header {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.shortlist-count {
  background-color: var(--primary-color);
  color: #fff;
  padding: 0.1rem 0.5rem;
  border-radius: 99px;
  font-size: 0.8rem;
}
[data-theme="dark"] .shortlist-count { color: #111; }

.empty-shortlist {
  color: var(--text-muted);
  text-align: center;
  font-size: 0.9rem;
  margin-top: 2rem;
}

.shortlist-items {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.shortlist-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem;
  background-color: var(--bg-main);
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
}
.remove-item {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.2rem;
  transition: color var(--transition);
}
.remove-item:hover { color: #ff4d4f; }

/* Filter Bar */
.filter-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.search-input {
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(0,0,0,0.1);
  background: var(--bg-card);
  color: var(--text-main);
  font-family: var(--font-mono);
  width: 100%;
  max-width: 300px;
}
[data-theme="dark"] .search-input {
  border-color: rgba(255,255,255,0.1);
}
.search-input:focus {
  outline: none;
  border-color: var(--primary-color);
}

/* Footer */
.footer {
  margin-top: 4rem;
  padding: 3rem 2rem;
  background-color: var(--bg-card);
  border-top: 1px solid rgba(0,0,0,0.05);
  text-align: center;
  color: var(--text-muted);
}
[data-theme="dark"] .footer {
  border-top: 1px solid rgba(255,255,255,0.05);
}
.footer-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
  font-size: 0.9rem;
}

@media (max-width: 600px) {
  .nav-links { display: none; }
  .header { padding: 1rem; }
  .container { padding: 1rem; }
  .hero { padding: 2rem 1rem; }
}

/* Toast Notification */
.toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}
.toast {
  background-color: var(--text-main);
  color: var(--bg-main);
  padding: 12px 20px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-hover);
  animation: slideIn 0.3s ease, fadeOut 0.3s ease 2.7s;
  pointer-events: none;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes fadeOut {
  from { opacity: 1; }
  to { opacity: 0; }
}