/* ============================================================
   SaathiAI Sim Navigation Widget
   Floating zoom/pan controls for all simulations
   ============================================================ */

/* === Container === */
.sim-nav {
  position: absolute;
  bottom: 48px;
  right: 232px;
  z-index: 300;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
  user-select: none;
}

/* === Zoom Slider (vertical) === */
.sim-nav-slider-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  background: rgba(5,5,16,0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(251,191,36,0.12);
  border-radius: 10px;
  padding: 8px 6px;
  gap: 4px;
}

.sim-nav-btn {
  width: 34px;
  height: 34px;
  border-radius: 7px;
  border: 1px solid rgba(251,191,36,0.12);
  background: rgba(10,10,20,0.9);
  color: rgba(251,191,36,0.8);
  font-family: 'Orbitron', monospace;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  line-height: 1;
  padding: 0;
}
.sim-nav-btn:hover {
  border-color: rgba(251,191,36,0.35);
  color: #fbbf24;
  background: rgba(251,191,36,0.06);
}
.sim-nav-btn:active {
  transform: scale(0.93);
  background: rgba(251,191,36,0.1);
}

/* Vertical range slider */
.sim-nav-range {
  -webkit-appearance: none;
  appearance: none;
  writing-mode: vertical-lr;
  direction: rtl;
  width: 28px;
  height: 100px;
  background: transparent;
  margin: 2px 0;
  cursor: pointer;
}
.sim-nav-range::-webkit-slider-runnable-track {
  width: 4px;
  height: 100%;
  background: linear-gradient(to bottom,
    rgba(251,191,36,0.35) 0%,
    rgba(251,191,36,0.08) 100%
  );
  border-radius: 2px;
}
.sim-nav-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fbbf24;
  border: 2px solid rgba(5,5,16,0.9);
  box-shadow: 0 0 6px rgba(251,191,36,0.4);
  margin-left: -5px;
  cursor: grab;
}
.sim-nav-range::-webkit-slider-thumb:active { cursor: grabbing; }

/* Firefox */
.sim-nav-range::-moz-range-track {
  width: 4px;
  background: linear-gradient(to bottom, rgba(251,191,36,0.35), rgba(251,191,36,0.08));
  border-radius: 2px;
  border: none;
}
.sim-nav-range::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: #fbbf24;
  border: 2px solid rgba(5,5,16,0.9);
  box-shadow: 0 0 6px rgba(251,191,36,0.4);
  cursor: grab;
}

/* === Zoom level indicator === */
.sim-nav-level {
  font-family: 'Orbitron', monospace;
  font-size: 8px;
  letter-spacing: 1px;
  color: rgba(251,191,36,0.6);
  text-align: center;
  margin-top: 2px;
}

/* === Bottom row: reset + extras === */
.sim-nav-row {
  display: flex;
  gap: 3px;
  margin-top: 4px;
}

.sim-nav-btn-sm {
  width: 34px;
  height: 28px;
  border-radius: 6px;
  border: 1px solid rgba(251,191,36,0.1);
  background: rgba(5,5,16,0.85);
  backdrop-filter: blur(8px);
  color: rgba(251,191,36,0.7);
  font-family: 'Orbitron', monospace;
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 1px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  padding: 0;
}
.sim-nav-btn-sm:hover {
  border-color: rgba(251,191,36,0.3);
  color: rgba(251,191,36,0.8);
  background: rgba(251,191,36,0.05);
}

/* === Interaction hint (canvas overlay) === */
.sim-nav-hint {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(calc(-50% - 110px), -50%);
  z-index: 250;
  background: rgba(5,5,16,0.82);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(251,191,36,0.12);
  border-radius: 12px;
  padding: 14px 22px;
  text-align: center;
  pointer-events: none;
  opacity: 1;
  transition: opacity 0.6s ease;
}
.sim-nav-hint.hidden { opacity: 0; pointer-events: none; }
.sim-nav-hint-row {
  font-family: 'Exo 2', sans-serif;
  font-size: 12px;
  color: rgba(255,255,255,0.75);
  margin: 5px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.sim-nav-hint-icon { font-size: 16px; }
.sim-nav-hint-key {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 3px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  font-family: 'Orbitron', monospace;
  font-size: 9px;
  color: rgba(251,191,36,0.8);
}

/* ============================================================
   Site Navigation Menu (hamburger + slide-out overlay)
   ============================================================ */

.sim-menu-btn{background:none;border:1px solid rgba(251,191,36,0.3);color:#fbbf24;font-size:18px;width:36px;height:36px;border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;margin-right:8px;transition:all 0.2s;flex-shrink:0;z-index:10;padding:0;line-height:1}
.sim-menu-btn:hover{background:rgba(251,191,36,0.1);border-color:rgba(251,191,36,0.6)}

.sim-nav-overlay{position:fixed;top:0;left:-280px;width:280px;height:100%;background:rgba(5,5,16,0.97);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);z-index:1000;transition:left 0.3s ease;border-right:1px solid rgba(251,191,36,0.15);display:flex;flex-direction:column;padding:60px 20px 20px}
.sim-nav-overlay.open{left:0}
.sim-nav-close{position:absolute;top:12px;right:12px;background:none;border:none;color:#fbbf24;font-size:28px;cursor:pointer;width:36px;height:36px;display:flex;align-items:center;justify-content:center;padding:0}
.sim-nav-links{display:flex;flex-direction:column;gap:4px}
.sim-nav-links a{color:#e0e0e0;text-decoration:none;font-family:'Exo 2',sans-serif;font-size:15px;padding:10px 12px;border-radius:6px;transition:all 0.2s}
.sim-nav-links a:hover{background:rgba(251,191,36,0.1);color:#fbbf24}
.sim-nav-links hr{border:none;border-top:1px solid rgba(251,191,36,0.1);margin:8px 0}

/* === Responsive === */
@media (max-width: 768px) {
  .sim-nav {
    bottom: 12px;
    right: 12px;
    flex-direction: row;
    align-items: flex-end;
  }
  .sim-nav-slider-wrap {
    flex-direction: row;
    padding: 6px 8px;
  }
  .sim-nav-range {
    writing-mode: horizontal-tb;
    direction: ltr;
    width: 80px;
    height: 28px;
  }
  .sim-nav-range::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
  }
  .sim-nav-range::-webkit-slider-thumb { margin-left: 0; margin-top: -5px; }
  .sim-nav-row { flex-direction: row; margin-top: 0; margin-left: 4px; }
  .sim-nav-level { display: none; }
  .sim-nav-hint { transform: translate(-50%, -50%); }
}