/* ─── SEARCH ─── */
.search-trigger-btn {
  font-family: var(--mono-font);
  font-size: 0.75rem;
  color: var(--text-dim);
  background: rgba(0,245,255,0.05);
  border: 1px solid rgba(0,245,255,0.2);
  padding: 0.4rem 0.9rem;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s;
  letter-spacing: 1px;
  white-space: nowrap;
  margin-left: 0.5rem;
}
.search-trigger-btn:hover {
  color: var(--accent-cyan);
  border-color: var(--accent-cyan);
  background: rgba(0,245,255,0.1);
  box-shadow: 0 0 12px rgba(0,245,255,0.2);
}

.search-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9000;
  align-items: flex-start;
  justify-content: center;
  padding-top: 8vh;
}
.search-modal.open { display: flex; }

.search-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(6px);
}

.search-box {
  position: relative;
  z-index: 1;
  width: min(680px, 95vw);
  background: var(--bg-panel);
  border: 1px solid var(--accent-cyan);
  border-radius: 12px;
  box-shadow: 0 0 60px rgba(0,245,255,0.15), 0 20px 60px rgba(0,0,0,0.6);
  overflow: hidden;
  animation: searchSlideIn 0.2s ease;
}

@keyframes searchSlideIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.search-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid rgba(0,245,255,0.15);
}

.search-icon { font-size: 1.2rem; flex-shrink: 0; }

.search-input {
  flex: 1;
  background: none;
  border: none;
  outline: none;
  font-family: var(--body-font);
  font-size: 1.05rem;
  color: var(--text-main);
  caret-color: var(--accent-cyan);
}
.search-input::placeholder { color: var(--text-dim); }

.search-close {
  background: none;
  border: 1px solid var(--text-dim);
  color: var(--text-dim);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8rem;
  transition: all 0.2s;
}
.search-close:hover { color: var(--accent-magenta); border-color: var(--accent-magenta); }

.search-results {
  max-height: 55vh;
  overflow-y: auto;
  padding: 0.5rem 0;
}

.search-empty {
  padding: 2rem;
  text-align: center;
  color: var(--text-dim);
  font-family: var(--mono-font);
  font-size: 0.9rem;
}
.search-empty strong { color: var(--accent-cyan); }

.search-group { margin-bottom: 0.25rem; }

.search-group-title {
  font-family: var(--pixel-font);
  font-size: 0.4rem;
  color: var(--accent-magenta);
  letter-spacing: 3px;
  padding: 0.5rem 1.25rem 0.3rem;
  text-transform: uppercase;
}

.search-result-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1.25rem;
  text-decoration: none;
  color: var(--text-main);
  transition: all 0.15s;
  font-family: var(--body-font);
  font-size: 0.95rem;
}
.search-result-item:hover {
  background: rgba(0,245,255,0.07);
  padding-left: 1.5rem;
}
.search-result-title mark {
  background: none;
  color: var(--accent-cyan);
  font-weight: 700;
}
.search-result-arrow { color: var(--text-dim); font-size: 0.8rem; }

.search-footer {
  display: flex;
  gap: 1.5rem;
  padding: 0.6rem 1.25rem;
  border-top: 1px solid rgba(0,245,255,0.1);
  font-family: var(--mono-font);
  font-size: 0.7rem;
  color: var(--text-dim);
}

/* Interactive simulation containers */
.sim-container {
  background: var(--bg-panel);
  border: 1px solid var(--border-glow);
  border-radius: 10px;
  padding: 1.5rem;
  margin: 2rem 0;
}
.sim-title {
  font-family: var(--mono-font);
  font-size: 0.8rem;
  color: var(--accent-green);
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.sim-title::before { content: '▶'; color: var(--accent-magenta); }

.sim-controls {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1rem;
  align-items: center;
}

.sim-btn {
  font-family: var(--mono-font);
  font-size: 0.8rem;
  padding: 0.45rem 1rem;
  border-radius: 4px;
  cursor: pointer;
  border: 1px solid;
  transition: all 0.2s;
  background: none;
}
.sim-btn.primary { color: var(--accent-cyan); border-color: var(--accent-cyan); }
.sim-btn.primary:hover { background: var(--accent-cyan); color: var(--bg-dark); }
.sim-btn.danger { color: #ff4444; border-color: #ff4444; }
.sim-btn.danger:hover { background: #ff4444; color: white; }
.sim-btn.success { color: var(--accent-green); border-color: var(--accent-green); }
.sim-btn.success:hover { background: var(--accent-green); color: var(--bg-dark); }

.sim-slider-wrap { display: flex; align-items: center; gap: 0.5rem; font-family: var(--mono-font); font-size: 0.8rem; color: var(--text-dim); }
.sim-slider { -webkit-appearance: none; appearance: none; height: 4px; background: rgba(0,245,255,0.2); border-radius: 2px; outline: none; cursor: pointer; width: 120px; }
.sim-slider::-webkit-slider-thumb { -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%; background: var(--accent-cyan); cursor: pointer; }

.sim-output {
  margin-top: 1rem;
  background: var(--bg-card);
  border: 1px solid rgba(0,245,255,0.1);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  font-family: var(--mono-font);
  font-size: 0.85rem;
  color: var(--accent-green);
  min-height: 2.5rem;
  word-break: break-all;
}

canvas.sim-canvas {
  width: 100%;
  border-radius: 6px;
  display: block;
  border: 1px solid rgba(0,245,255,0.15);
  cursor: crosshair;
}

@media (max-width: 480px) {
  .search-trigger-btn { font-size: 0rem; width: 32px; height: 32px; padding: 0; display: flex; align-items: center; justify-content: center; }
  .search-trigger-btn::before { content: '🔍'; font-size: 1rem; }
}