/* ===== CSS Custom Properties ===== */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(30, 41, 59, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --bg-glass-strong: rgba(255, 255, 255, 0.08);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-glass-hover: rgba(255, 255, 255, 0.15);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent-purple: #a78bfa;
  --accent-cyan: #06b6d4;
  --accent-blue: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #a78bfa 0%, #06b6d4 100%);
  --accent-gradient-hover: linear-gradient(135deg, #c4b5fd 0%, #22d3ee 100%);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(167, 139, 250, 0.15);
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --font-sans: 'Inter', 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1280px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

/* ===== Background Effects ===== */
.bg-gradient {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(167, 139, 250, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(6, 182, 212, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 50% 80%, rgba(59, 130, 246, 0.04) 0%, transparent 60%);
}

.bg-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  background: rgba(10, 14, 26, 0.85);
  border-bottom: 1px solid var(--border-glass);
}

.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 14px;
}

.logo-icon svg {
  width: 40px;
  height: 40px;
}

.logo-text h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.logo-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.header-stats {
  display: flex;
  gap: 28px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 1.4rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.2;
}

.stat-label {
  display: block;
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ===== Controls Section ===== */
.controls {
  position: relative;
  z-index: 10;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 28px 24px 0;
}

.search-box {
  position: relative;
  margin-bottom: 20px;
}

.search-icon {
  position: absolute;
  left: 18px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--text-muted);
  pointer-events: none;
  transition: color var(--transition-normal);
}

.search-box:focus-within .search-icon {
  color: var(--accent-cyan);
}

#search-input {
  width: 100%;
  padding: 16px 50px 16px 52px;
  background: var(--bg-glass-strong);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-normal);
  backdrop-filter: blur(10px);
}

#search-input::placeholder {
  color: var(--text-muted);
}

#search-input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(167, 139, 250, 0.15), var(--shadow-sm);
  background: var(--bg-glass-strong);
}

.search-clear {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 32px;
  height: 32px;
  border: none;
  background: var(--bg-glass-strong);
  color: var(--text-muted);
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.search-clear svg {
  width: 16px;
  height: 16px;
}

.search-clear:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
}

.filter-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.category-filters {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  flex: 1;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: 1px solid var(--border-glass);
  background: var(--bg-glass);
  color: var(--text-secondary);
  border-radius: 100px;
  font-family: var(--font-sans);
  font-size: 0.82rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-normal);
  white-space: nowrap;
  backdrop-filter: blur(4px);
}

.filter-chip .chip-icon {
  font-size: 0.9rem;
}

.filter-chip:hover {
  border-color: var(--border-glass-hover);
  background: var(--bg-glass-strong);
  color: var(--text-primary);
  transform: translateY(-1px);
}

.filter-chip.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 16px rgba(167, 139, 250, 0.25);
}

.sort-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.sort-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 500;
  white-space: nowrap;
}

.sort-select {
  padding: 8px 14px;
  background: var(--bg-glass-strong);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-sans);
  font-size: 0.82rem;
  cursor: pointer;
  outline: none;
  transition: all var(--transition-normal);
}

.sort-select:focus {
  border-color: var(--accent-purple);
}

.sort-select option {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

/* ===== Results Info ===== */
.results-info {
  position: relative;
  z-index: 10;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 16px 24px 0;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ===== Plugin Grid ===== */
.plugin-grid {
  position: relative;
  z-index: 10;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 20px 24px 60px;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

/* ===== Plugin Card ===== */
.plugin-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 24px;
  cursor: pointer;
  transition: all var(--transition-slow);
  position: relative;
  overflow: hidden;
  backdrop-filter: blur(10px);
  opacity: 0;
  transform: translateY(20px);
  animation: cardFadeIn 0.5s ease forwards;
}

.plugin-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.plugin-card:hover {
  border-color: var(--border-glass-hover);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

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

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

.card-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 1.05rem;
  font-weight: 650;
  color: var(--text-primary);
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.card-category-badge {
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--bg-glass-strong);
  color: var(--text-secondary);
  border: 1px solid var(--border-glass);
  white-space: nowrap;
}

.card-description {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.card-tag {
  display: inline-block;
  padding: 3px 10px;
  background: var(--bg-glass);
  border-radius: 100px;
  font-size: 0.7rem;
  color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.04);
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-glass);
}

.card-author {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.card-author-avatar {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 700;
  color: #fff;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.card-meta-item svg {
  width: 14px;
  height: 14px;
  opacity: 0.7;
}

/* Category badge colors */
.badge-video-effect { background: rgba(167, 139, 250, 0.15); color: #c4b5fd; border-color: rgba(167, 139, 250, 0.25); }
.badge-audio-effect { background: rgba(251, 191, 36, 0.15); color: #fcd34d; border-color: rgba(251, 191, 36, 0.25); }
.badge-voice-synthesis { background: rgba(52, 211, 153, 0.15); color: #6ee7b7; border-color: rgba(52, 211, 153, 0.25); }
.badge-shape { background: rgba(59, 130, 246, 0.15); color: #93c5fd; border-color: rgba(59, 130, 246, 0.25); }
.badge-text { background: rgba(244, 114, 182, 0.15); color: #f9a8d4; border-color: rgba(244, 114, 182, 0.25); }
.badge-video-output { background: rgba(248, 113, 113, 0.15); color: #fca5a5; border-color: rgba(248, 113, 113, 0.25); }
.badge-utility { background: rgba(6, 182, 212, 0.15); color: #67e8f9; border-color: rgba(6, 182, 212, 0.25); }
.badge-other { background: rgba(148, 163, 184, 0.15); color: #cbd5e1; border-color: rgba(148, 163, 184, 0.25); }

/* ===== Loading State ===== */
.loading-state {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 80px 24px;
  color: var(--text-muted);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border-glass);
  border-top-color: var(--accent-purple);
  border-radius: 50%;
  margin: 0 auto 16px;
  animation: spin 0.8s linear infinite;
}

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

/* ===== Empty State ===== */
.empty-state {
  position: relative;
  z-index: 10;
  text-align: center;
  padding: 80px 24px;
  color: var(--text-muted);
}

.empty-state svg {
  width: 80px;
  height: 80px;
  margin-bottom: 16px;
  color: var(--text-muted);
}

.empty-state p {
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.btn-reset {
  padding: 10px 24px;
  background: var(--accent-gradient);
  border: none;
  border-radius: 100px;
  color: #fff;
  font-family: var(--font-sans);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.btn-reset:hover {
  box-shadow: 0 4px 20px rgba(167, 139, 250, 0.3);
  transform: translateY(-2px);
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-glass-hover);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  transform: translateY(20px) scale(0.97);
  transition: transform var(--transition-slow);
  box-shadow: var(--shadow-lg);
}

.modal-overlay.active .modal {
  transform: translateY(0) scale(1);
}

.modal-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border: 1px solid var(--border-glass);
  background: var(--bg-glass-strong);
  border-radius: 50%;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
  z-index: 10;
}

.modal-close svg {
  width: 18px;
  height: 18px;
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-primary);
  border-color: var(--border-glass-hover);
}

.modal-content {
  padding: 32px;
}

.modal-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 0.78rem;
  font-weight: 600;
  margin-bottom: 16px;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: -0.02em;
  line-height: 1.3;
}

.modal-author {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 20px;
}

.modal-author a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.modal-author a:hover {
  color: var(--accent-purple);
}

.modal-description {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 24px;
  padding: 16px;
  background: var(--bg-glass);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-glass);
}

.modal-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-bottom: 24px;
}

.modal-info-item {
  padding: 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
}

.modal-info-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 4px;
}

.modal-info-value {
  font-size: 0.9rem;
  color: var(--text-primary);
  font-weight: 500;
}

.modal-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 28px;
}

.modal-tag {
  padding: 5px 14px;
  background: var(--bg-glass-strong);
  border: 1px solid var(--border-glass);
  border-radius: 100px;
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.modal-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.modal-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border: none;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.modal-btn-primary {
  background: var(--accent-gradient);
  color: #fff;
}

.modal-btn-primary:hover {
  box-shadow: 0 4px 20px rgba(167, 139, 250, 0.3);
  transform: translateY(-2px);
}

.modal-btn-secondary {
  background: var(--bg-glass-strong);
  border: 1px solid var(--border-glass);
  color: var(--text-secondary);
}

.modal-btn-secondary:hover {
  border-color: var(--border-glass-hover);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.1);
}

.modal-btn svg {
  width: 18px;
  height: 18px;
}

/* ===== Footer ===== */
.footer {
  position: relative;
  z-index: 10;
  border-top: 1px solid var(--border-glass);
  background: rgba(10, 14, 26, 0.6);
  backdrop-filter: blur(10px);
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 32px 24px;
  text-align: center;
}

.footer p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.footer-sub {
  font-size: 0.78rem !important;
  color: var(--text-muted) !important;
  margin-top: 8px;
  font-weight: 400 !important;
}

.footer a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer a:hover {
  color: var(--accent-purple);
}

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

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 16px;
  }

  .header-stats {
    gap: 20px;
  }

  .controls {
    padding: 20px 16px 0;
  }

  .filter-row {
    flex-direction: column;
  }

  .plugin-grid {
    grid-template-columns: 1fr;
    padding: 16px 16px 40px;
    gap: 14px;
  }

  .modal {
    max-height: 90vh;
    border-radius: var(--radius-lg);
  }

  .modal-content {
    padding: 24px 20px;
  }

  .modal-info-grid {
    grid-template-columns: 1fr;
  }

  .modal-actions {
    flex-direction: column;
  }

  .modal-btn {
    justify-content: center;
  }

  .results-info {
    padding: 12px 16px 0;
  }

  .footer-inner {
    padding: 24px 16px;
  }
}

@media (max-width: 480px) {
  .logo-text h1 {
    font-size: 1.15rem;
  }

  .stat-number {
    font-size: 1.15rem;
  }

  #search-input {
    padding: 14px 44px 14px 46px;
    font-size: 0.9rem;
  }

  .filter-chip {
    padding: 6px 12px;
    font-size: 0.75rem;
  }

  .card-title {
    font-size: 0.95rem;
  }

  .modal-title {
    font-size: 1.25rem;
  }
}