/* PsychoMath Interactive Gallery Stylesheet */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  --bg-main: #020617; /* slate-950 */
  --bg-card: #0f172a; /* slate-900 */
  --border-card: #1e293b; /* slate-800 */
  --primary: #6366f1; /* indigo-500 */
  --primary-hover: #4f46e5; /* indigo-600 */
}

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

body {
  font-family: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  background-color: var(--bg-main);
  color: #f8fafc;
  overflow-x: hidden;
}

.font-mono {
  font-family: 'JetBrains Mono', monospace;
}

/* Custom Scrollbars */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: #020617;
}
::-webkit-scrollbar-thumb {
  background: #334155;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: #475569;
}
.scrollbar-none::-webkit-scrollbar {
  display: none;
}
.scrollbar-none {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* Radial Grid for Zoom Viewport */
.bg-radial-grid {
  background-color: #030712;
  background-image: radial-gradient(#1e293b 1px, transparent 1px);
  background-size: 24px 24px;
}

/* Category Buttons */
.cat-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.875rem;
  border-radius: 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: #94a3b8;
  background-color: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s ease-in-out;
}

.cat-btn:hover {
  color: #f1f5f9;
  background-color: rgba(30, 41, 59, 0.7);
  border-color: #334155;
}

.cat-btn.active {
  color: #ffffff;
  background-color: #4f46e5;
  border-color: #6366f1;
  box-shadow: 0 4px 12px rgba(79, 70, 229, 0.3);
}

.cat-btn .badge {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  padding: 0.125rem 0.375rem;
  border-radius: 9999px;
  background-color: rgba(255, 255, 255, 0.15);
  color: inherit;
}

.cat-btn:not(.active) .badge {
  background-color: #1e293b;
  color: #94a3b8;
}

/* Level Preset Pills */
.level-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 600;
  font-family: 'JetBrains Mono', monospace;
  cursor: pointer;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.15s ease;
  background: rgba(15, 23, 42, 0.8);
  color: #cbd5e1;
}

.level-pill:hover {
  transform: translateY(-1px);
  filter: brightness(1.2);
}

/* Zoom Toolbar Buttons */
.zoom-tool-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 0.625rem;
  color: #cbd5e1;
  cursor: pointer;
  transition: all 0.15s ease;
}

.zoom-tool-btn:hover {
  background-color: #334155;
  color: #ffffff;
}

.zoom-tool-btn:active {
  transform: scale(0.94);
}

/* Asset Card Design */
.asset-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background-color: #0f172a;
  border: 1px solid #1e293b;
  border-radius: 1rem;
  overflow: hidden;
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease, box-shadow 0.2s ease;
}

.asset-card:hover {
  transform: translateY(-3px);
  border-color: #4338ca;
  box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(99, 102, 241, 0.2);
}

.asset-preview {
  position: relative;
  width: 100%;
  height: 180px;
  background-color: #020617;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.asset-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.35s ease;
}

.asset-card:hover .asset-preview img {
  transform: scale(1.04);
}

.asset-card-pdf-icon, .asset-card-epub-icon {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* Master Badge */
.badge-master {
  position: absolute;
  top: 0.625rem;
  left: 0.625rem;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.25rem 0.5rem;
  border-radius: 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  background: linear-gradient(135deg, #4f46e5, #9333ea);
  color: #ffffff;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.4);
}

.badge-format {
  position: absolute;
  top: 0.625rem;
  right: 0.625rem;
  z-index: 10;
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.45rem;
  border-radius: 0.375rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.6875rem;
  font-weight: 600;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
}

/* Quick Action Overlay on Card Hover */
.card-hover-overlay {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.6);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease;
}

.asset-card:hover .card-hover-overlay {
  opacity: 1;
  pointer-events: auto;
}