:root {
  --bg-color: #0a0a0b;
  --bg-secondary: #121214;
  --text-primary: #ededed;
  --text-secondary: #a1a1aa;
  --accent-color: #6366f1;
  /* Indigo 500 */
  --accent-glow: rgba(99, 102, 241, 0.4);
  --card-bg: rgba(24, 24, 27, 0.6);
  --card-border: rgba(255, 255, 255, 0.08);
  --glass-bg: rgba(10, 10, 11, 0.8);
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  min-height: 100vh;
  background-image:
    radial-gradient(circle at 15% 50%, rgba(99, 102, 241, 0.08), transparent 25%),
    radial-gradient(circle at 85% 30%, rgba(168, 85, 247, 0.08), transparent 25%);
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: var(--bg-color);
}

::-webkit-scrollbar-thumb {
  background: #3f3f46;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #52525b;
}

/* Header */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  padding: 1.5rem 0;
}

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(to right, #fff, #a1a1aa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.02em;
}

/* Search & Filters */
.search-container {
  position: relative;
  flex: 1;
  max-width: 500px;
}

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  pointer-events: none;
}

#search-input {
  width: 100%;
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

#search-input:focus {
  outline: none;
  border-color: var(--accent-color);
  box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.filter-chips {
  display: flex;
  gap: 0.75rem;
  overflow-x: auto;
  padding: 0.5rem 0;
  scrollbar-width: none;
  /* Hide scrollbar Firefox */
}

.filter-chips::-webkit-scrollbar {
  display: none;
  /* Hide scrollbar Chrome/Safari */
}

.chip {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  padding: 0.4rem 1rem;
  border-radius: 20px;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
  user-select: none;
}

.chip:hover {
  background: #27272a;
  color: var(--text-primary);
}

.chip.active {
  background: var(--accent-color);
  color: white;
  border-color: var(--accent-color);
  box-shadow: 0 2px 8px var(--accent-glow);
}

/* Stats Dashboard */
.stats-dashboard {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: var(--transition-fast);
}

.stat-card:hover {
  border-color: #3f3f46;
  transform: translateY(-2px);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: white;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Grid Layout */
#models-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
  padding-bottom: 4rem;
}

.model-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.5rem;
  cursor: pointer;
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.model-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(400px circle at var(--mouse-x) var(--mouse-y), rgba(255, 255, 255, 0.06), transparent 40%);
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}

.model-card:hover::after {
  opacity: 1;
}

.model-card:hover {
  transform: translateY(-4px);
  border-color: rgba(99, 102, 241, 0.3);
  box-shadow: 0 12px 24px -10px rgba(0, 0, 0, 0.5);
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1rem;
}

.model-name {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.3;
}

.model-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 1rem;
}

.tag {
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-weight: 500;
  background: rgba(255, 255, 255, 0.03);
}

.tag.highlight {
  border-color: rgba(99, 102, 241, 0.3);
  color: #a5b4fc;
  background: rgba(99, 102, 241, 0.1);
}

.model-snippet {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-medium);
  padding: 1rem;
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: #18181b;
  width: 100%;
  max-width: 700px;
  max-height: 85vh;
  border-radius: 24px;
  border: 1px solid var(--card-border);
  box-shadow: 0 24px 48px -12px rgba(0, 0, 0, 0.5);
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: var(--transition-medium);
  overflow: hidden;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: 2rem 2rem 1.5rem;
  border-bottom: 1px solid var(--card-border);
  position: relative;
}

.close-btn {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 50%;
  transition: var(--transition-fast);
}

.close-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  color: white;
}

.modal-body {
  padding: 0 2rem 2rem;
  overflow-y: auto;
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-right: 2rem;
  margin-bottom: 0.5rem;
}

.modal-section {
  margin-top: 1.5rem;
}

.modal-section h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.75rem;
  font-weight: 600;
}

.modal-section p,
.modal-section li {
  color: #d4d4d8;
  font-size: 1rem;
}

.modal-section ul {
  list-style-type: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.modal-section li {
  position: relative;
  padding-left: 1.5rem;
}

.modal-section li::before {
  content: '•';
  position: absolute;
  left: 0.25rem;
  color: var(--accent-color);
}

/* Loading State */
.loading {
  text-align: center;
  padding: 4rem;
  color: var(--text-secondary);
  font-size: 1.1rem;
  grid-column: 1 / -1;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  border-top-color: var(--accent-color);
  margin: 0 auto 1.5rem;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    align-items: stretch;
  }

  .search-container {
    max-width: 100%;
  }

  .stats-dashboard {
    grid-template-columns: 1fr;
  }
}

/* Landing Page Extensions */
.hero {
  padding: 8rem 2rem 4rem;
  text-align: center;
  background: radial-gradient(circle at center, rgba(99, 102, 241, 0.15) 0%, transparent 50%);
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  background: linear-gradient(to right, #fff, #a5b4fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 4rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 12px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s ease;
  cursor: pointer;
  border: none;
  font-size: 1rem;
  font-family: var(--font-main);
}

.btn-primary {
  background: var(--accent-color);
  color: white;
  box-shadow: 0 4px 12px var(--accent-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--accent-glow);
}

.btn-secondary {
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
}

.btn-secondary:hover {
  border-color: var(--text-secondary);
  background: #27272a;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  padding: 2rem;
  position: relative;
  overflow: hidden;
  transition: var(--transition-medium);
}

.feature-card.locked {
  opacity: 0.7;
  border-style: dashed;
}

.lock-overlay {
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 11, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  z-index: 10;
}

.lock-icon {
  font-size: 2rem;
  color: var(--text-secondary);
}

.auth-box {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 3rem;
  max-width: 480px;
  margin: 0 auto;
  text-align: center;
}

.form-group {
  margin-bottom: 1.5rem;
  text-align: left;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.form-input {
  width: 100%;
  padding: 0.75rem;
  background: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
}

/* Dropdown Navigation */
.main-nav {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  margin: 0 2rem;
}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropbtn {
  background-color: transparent;
  color: var(--text-secondary);
  padding: 0.5rem 0.75rem;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  font-family: var(--font-main);
  font-weight: 500;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.dropbtn:hover {
  color: var(--text-primary);
}

.dropbtn::after {
  content: '\f107';
  /* FontAwesome angle-down */
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.8em;
  padding-top: 2px;
}

.dropdown-content {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  background-color: var(--bg-secondary);
  min-width: 180px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
  z-index: 1000;
  border-radius: 8px;
  border: 1px solid var(--card-border);
  padding: 0.5rem 0;
  overflow: hidden;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.2s, transform 0.2s;
}

.dropdown:hover .dropdown-content {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.dropdown-content a {
  color: var(--text-secondary);
  padding: 0.75rem 1rem;
  text-decoration: none;
  display: block;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.dropdown-content a:hover {
  background-color: rgba(255, 255, 255, 0.05);
  color: var(--text-primary);
}

/* Ad Slots */
.ad-slot {
  background-color: rgba(0, 0, 0, 0.3);
  border: 1px dashed var(--card-border);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 2rem auto;
  color: var(--text-secondary);
  font-size: 0.8rem;
  overflow: hidden;
}

.ad-banner {
  width: 100%;
  max-width: 728px;
  height: 90px;
}

.ad-sidebar {
  width: 300px;
  height: 250px;
}

/* Footer */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--card-border);
  padding: 4rem 0 2rem;
  margin-top: 6rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 2rem;
}

.footer-column h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.footer-column ul {
  list-style: none;
  padding: 0;
}

.footer-column li {
  margin-bottom: 0.75rem;
}

.footer-column a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.footer-column a:hover {
  color: var(--text-primary);
}

.newsletter-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 1rem;
}

.newsletter-input {
  flex: 1;
  padding: 0.75rem;
  background: var(--bg-color);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
}

.newsletter-button {
  padding: 0.75rem 1.5rem;
  background: var(--accent-color);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.newsletter-button:hover {
  background: #5558e3;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
  color: var(--text-secondary);
  font-size: 0.875rem;
}

/* Support / Donation Styles */
.support-card {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1) 0%, rgba(168, 85, 247, 0.1) 100%);
    border: 1px solid var(--accent-color);
    border-radius: 12px;
    padding: 2rem;
    margin-top: 3rem;
    text-align: center;
}

.support-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: #FF5E5B; /* Ko-fi color */
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    margin-bottom: 1.5rem;
    transition: transform 0.2s;
}

.support-btn:hover {
    transform: translateY(-2px);
}

.crypto-wallet {
    background: rgba(0,0,0,0.2);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 0.5rem;
    font-family: monospace;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.crypto-label {
    font-weight: bold;
    color: var(--text-secondary);
}

.crypto-address {
    color: var(--text-primary);
    word-break: break-all;
}

.copy-btn {
    background: none;
    border: none;
    color: var(--accent-color);
    cursor: pointer;
    font-size: 1.1rem;
}


/* Footer Crypto Styles */
.footer-crypto {
    margin-top: 1rem;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1rem;
}

.footer-wallet {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: rgba(0,0,0,0.2);
    padding: 0.5rem;
    border-radius: 4px;
    margin-bottom: 0.5rem;
    font-size: 0.75rem;
    font-family: monospace;
}

.footer-wallet-label {
    color: var(--accent-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

.footer-wallet-addr {
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 120px;
}

.footer-copy {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0 0.5rem;
}

.footer-copy:hover {
    color: white;
}


/* Global Logo Synchronization */
.logo h1 {
  display: flex !important;
  align-items: center !important;
  gap: 0.6rem !important;
}

.logo-icon {
  -webkit-text-fill-color: initial !important;
  color: var(--accent-color) !important;
  font-size: 1.2rem !important;
  filter: drop-shadow(0 0 8px var(--accent-glow)) !important;
}