/* Post-Apocalyptic Metro 2033 Specific Visual FX & Visual Enhancements */

/* CRT Overlay Effect */
body.crt-overlay::before {
  content: " ";
  display: block;
  position: fixed;
  top: 0; left: 0; bottom: 0; right: 0;
  background: linear-gradient(rgba(18, 16, 16, 0) 50%, rgba(0, 0, 0, 0.25) 50%), linear-gradient(90deg, rgba(255, 0, 0, 0.03), rgba(0, 255, 0, 0.01), rgba(0, 0, 255, 0.03));
  z-index: 900;
  background-size: 100% 3px, 6px 100%;
  pointer-events: none;
}

/* Scanline Toggle */
body.scanlines-enabled::after {
  content: " ";
  display: block;
  position: fixed;
  top: 0; left: 0; bottom: 0; right: 0;
  background: rgba(18, 16, 16, 0.08);
  opacity: 0.8;
  z-index: 901;
  pointer-events: none;
  animation: flicker 0.15s infinite;
}

@keyframes flicker {
  0% { opacity: 0.78; }
  50% { opacity: 0.82; }
  100% { opacity: 0.79; }
}

/* Vignette Dark Edges */
.vignette {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.85);
  pointer-events: none;
  z-index: 899;
}

/* Glitch Lines & Animations */
.glitch-line {
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent-color);
  box-shadow: 0 0 10px var(--accent-color);
  opacity: 0.7;
  animation: scanGlitch 6s infinite linear;
}

@keyframes scanGlitch {
  0% { top: 0%; opacity: 0; }
  10% { opacity: 0.8; }
  50% { top: 100%; opacity: 0.8; }
  51% { opacity: 0; }
  100% { top: 0%; opacity: 0; }
}

/* Pulse Animations */
.pulse-green {
  animation: pulseGreen 2s infinite ease-in-out;
}

@keyframes pulseGreen {
  0% { box-shadow: 0 0 4px var(--status-green); }
  50% { box-shadow: 0 0 12px var(--status-green); }
  100% { box-shadow: 0 0 4px var(--status-green); }
}

/* GitHub Project Cards */
.gh-input-group {
  display: flex;
  gap: 0.5rem;
  max-width: 320px;
}

.projects-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.filter-chips {
  display: flex;
  gap: 0.4rem;
}

.chip {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--panel-border);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition-fast);
}

.chip.active, .chip:hover {
  border-color: var(--accent-color);
  color: var(--accent-color);
  background: var(--accent-subtle);
}

.repos-found-text {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Projects Grid */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem;
}

.project-card {
  background: rgba(10, 13, 17, 0.85);
  border: 1px solid var(--panel-border);
  padding: 1.25rem;
  border-radius: var(--border-radius);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
}

.project-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; width: 4px; height: 100%;
  background: var(--panel-border);
  transition: background 0.2s ease;
}

.project-card:hover {
  transform: translateY(-3px);
  border-color: var(--accent-color);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5), 0 0 10px var(--accent-subtle);
}

.project-card:hover::before {
  background: var(--accent-color);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-bright);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
}

.project-title:hover {
  color: var(--accent-color);
}

.project-desc {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.4;
  flex: 1;
}

.project-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 0.5rem;
}

.lang-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: var(--accent-color);
}

.star-count {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  color: #ffca28;
}