/* ============================================
   CHEMVENTUR v107 - UI STYLES
   Left panel, buttons, inputs, popups
   🎵 NOW WITH AUDIO PANEL STYLES! 🎵
   ============================================ */

/* ===== LEFT PANEL ===== */
#left-panel {
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--panel-width);
  background: linear-gradient(180deg, var(--bg-secondary), rgba(0, 10, 0, 0.75));
  border-right: 3px solid var(--neon-green);
  padding: 10px;
  box-sizing: border-box;
  overflow-y: auto;
  overflow-x: hidden;
  z-index: 10;
}

/* ===== INFO WINDOWS ===== */
.info-window {
  background: var(--bg-panel);
  border: 2px solid var(--neon-green);
  padding: 6px;
  margin-top: 6px;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-sm);
}

.info-window.compact {
  padding: 4px;
  font-size: var(--font-size-xs);
}

/* ===== BUTTONS ===== */
.btn {
  background: var(--bg-input);
  color: var(--neon-green);
  border: 2px solid var(--neon-green);
  padding: 4px 7px;
  cursor: pointer;
  border-radius: var(--border-radius-sm);
  margin: 2px;
  font-family: var(--font-main);
  font-size: var(--font-size-md);
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn:hover {
  background: var(--neon-green);
  color: var(--bg-primary);
  box-shadow: var(--glow-neon);
}

.btn.selected,
.btn.active {
  background: var(--neon-green);
  color: var(--bg-primary);
  box-shadow: var(--glow-neon);
}

.btn.small {
  padding: 2px 5px;
  font-size: var(--font-size-xs);
}

.btn.large {
  padding: 8px 14px;
  font-size: var(--font-size-lg);
}

.btn.full-width {
  width: 100%;
  margin: 4px 0;
}

.btn.danger {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

.btn.danger:hover {
  background: var(--color-danger);
  color: white;
}

/* ===== GUN SELECTOR ===== */
#gun-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin: 4px 0;
}

.gun-btn {
  background: var(--bg-input);
  color: var(--neon-green);
  border: 2px solid var(--neon-green);
  padding: 2px 5px;
  cursor: pointer;
  border-radius: 3px;
  font-family: var(--font-main);
  font-size: var(--font-size-xs);
  transition: var(--transition-fast);
}

.gun-btn:hover {
  background: var(--neon-green);
  color: var(--bg-primary);
}

.gun-btn.active {
  background: var(--neon-green);
  color: var(--bg-primary);
  box-shadow: var(--glow-neon);
}

/* Gun type colors */
.gun-btn[data-gun="1"] { border-color: var(--color-proton); }
.gun-btn[data-gun="2"] { border-color: var(--color-neutron); }
.gun-btn[data-gun="3"] { border-color: var(--color-electron); }
.gun-btn[data-gun="6"] { border-color: var(--color-shotgun); }
.gun-btn[data-gun="7"] { border-color: var(--color-ebeam); }
.gun-btn[data-gun="8"] { border-color: var(--color-antigun); }
.gun-btn[data-gun="9"] { border-color: var(--color-gravity); }
.gun-btn[data-gun="0"] { border-color: var(--color-timezone); }

/* ===== INPUTS ===== */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  cursor: pointer;
}

input[type="range"]::-webkit-slider-track {
  height: 6px;
  background: var(--bg-input);
  border: 1px solid var(--neon-green);
  border-radius: 3px;
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  background: var(--neon-green);
  border-radius: 50%;
  margin-top: -4px;
  box-shadow: 0 0 8px var(--neon-green);
}

input[type="range"]::-moz-range-track {
  height: 6px;
  background: var(--bg-input);
  border: 1px solid var(--neon-green);
  border-radius: 3px;
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  background: var(--neon-green);
  border: none;
  border-radius: 50%;
  box-shadow: 0 0 8px var(--neon-green);
}

input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--neon-green);
  cursor: pointer;
}

input[type="color"] {
  width: 30px;
  height: 22px;
  border: 2px solid var(--neon-green);
  border-radius: var(--border-radius-sm);
  background: var(--bg-input);
  cursor: pointer;
  padding: 0;
}

input[type="text"], input[type="url"] {
  background: var(--bg-input);
  color: var(--neon-green);
  border: 2px solid var(--neon-green);
  padding: 4px 8px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-main);
  font-size: var(--font-size-sm);
  width: 100%;
  box-sizing: border-box;
}

input[type="text"]:focus, input[type="url"]:focus {
  outline: none;
  box-shadow: var(--glow-neon);
}

select {
  background: var(--bg-input);
  color: var(--neon-green);
  border: 2px solid var(--neon-green);
  padding: 3px 6px;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-main);
  font-size: var(--font-size-sm);
  cursor: pointer;
}

select:focus {
  outline: none;
  box-shadow: var(--glow-neon);
}

/* ===== INVENTORY ===== */
#inventory {
  display: flex;
  flex-wrap: wrap;
  gap: 2px;
  margin-top: 3px;
}

.inventory-item {
  font-size: var(--font-size-sm);
  padding: 2px 4px;
}

/* ===== STATS BOX ===== */
#stats {
  font-size: var(--font-size-sm);
  color: #888;
  padding: 4px;
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm);
  margin-top: 5px;
}

/* ===== STATUS BAR ===== */
#status-bar {
  display: none;
  position: fixed;
  top: 15px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(0, 255, 65, 0.95);
  color: var(--bg-primary);
  padding: 8px 16px;
  border-radius: var(--border-radius-md);
  font-weight: bold;
  z-index: 200;
  box-shadow: var(--glow-neon-strong);
}

#status-bar.visible {
  display: block;
}

/* ===== POPUP PANELS ===== */
.popup-panel {
  display: none;
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(135deg, var(--bg-primary), var(--bg-input));
  border: 3px solid var(--neon-green);
  padding: 15px;
  border-radius: var(--border-radius-lg);
  z-index: 150;
  max-height: 80vh;
  overflow: auto;
  box-shadow: var(--shadow-panel);
}

.popup-panel.visible {
  display: block;
}

.popup-panel h3 {
  color: var(--neon-green);
  margin: 0 0 10px 0;
  text-align: center;
}

.popup-close {
  position: absolute;
  top: 5px;
  right: 5px;
}

/* ===== GUN OPTIONS PANEL ===== */
#gun-options-panel {
  min-width: 280px;
}

.gun-option {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 6px 0;
  font-size: var(--font-size-md);
  padding: 4px;
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm);
}

.gun-option label {
  flex: 1;
  min-width: 60px;
}

.gun-option input[type="range"] {
  width: 80px;
}

.gun-option .value-display {
  min-width: 30px;
  text-align: right;
  color: var(--neon-green);
  font-weight: bold;
}

/* ===== PERIODIC TABLE PANEL ===== */
#periodic-table-panel {
  min-width: 480px;
}

#pt-grid {
  display: grid;
  grid-template-columns: repeat(18, 1fr);
  gap: 1px;
}

.pt-element {
  background: var(--bg-input);
  border: 1px solid var(--neon-green);
  padding: 2px;
  text-align: center;
  cursor: pointer;
  font-size: var(--font-size-sm);
  border-radius: 2px;
  transition: var(--transition-fast);
}

.pt-element:hover {
  background: var(--neon-green);
  color: var(--bg-primary);
  transform: scale(1.1);
}

.pt-element.empty {
  visibility: hidden;
}

.pt-element .symbol {
  font-weight: bold;
}

.pt-element .number {
  font-size: 7px;
  opacity: 0.6;
}

/* Element group colors */
.pt-element.noble { border-color: var(--color-positron); }
.pt-element.alkali { border-color: var(--color-proton); }
.pt-element.halogen { border-color: #ffff00; }
.pt-element.transition { border-color: var(--color-shotgun); }
.pt-element.nonmetal { border-color: var(--color-electron); }

/* ===== TARGET BOX ===== */
#target-box {
  font-size: var(--font-size-md);
  padding: 4px 6px;
  background: var(--bg-hover);
  border-radius: var(--border-radius-sm);
  margin: 3px 0;
}

#target-text {
  color: var(--neon-green);
  font-weight: bold;
}

/* ===== ENV BUTTON (now in panel, not fixed) ===== */
/* Removed fixed positioning - env-btn is now a regular button in the left panel */

/* ================================================
   🎵 AUDIO PANEL STYLES (NEW!) 🎵
   ================================================ */

#env-panel {
  position: fixed;
  bottom: 70px;
  right: 15px;
  width: 320px;
  background: linear-gradient(135deg, var(--bg-primary), rgba(0, 20, 0, 0.95));
  border: 3px solid var(--neon-green);
  border-radius: var(--border-radius-lg);
  padding: 15px;
  z-index: 90;
  display: none;
  box-shadow: 0 0 30px rgba(0, 255, 65, 0.3);
}

#env-panel.visible {
  display: block;
  animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

#env-panel h3 {
  color: var(--neon-green);
  margin: 0 0 10px 0;
  text-align: center;
  text-shadow: 0 0 10px var(--neon-green);
}

/* Audio Section */
.audio-section {
  margin-bottom: 15px;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(0, 255, 65, 0.3);
}

.audio-section h4 {
  color: var(--neon-green);
  margin: 0 0 8px 0;
  font-size: 11px;
  display: flex;
  align-items: center;
  gap: 5px;
}

/* Audio URL Input */
.audio-url-row {
  display: flex;
  gap: 5px;
  margin-bottom: 8px;
}

.audio-url-row input {
  flex: 1;
  font-size: 9px;
}

/* Audio Controls */
.audio-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}

.audio-controls .btn {
  padding: 6px 10px;
  font-size: 14px;
}

#audio-time {
  font-size: 9px;
  color: #888;
}

/* Volume Slider */
.volume-row {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 9px;
}

.volume-row input[type="range"] {
  flex: 1;
}

/* Equalizer Section */
.eq-section {
  margin-top: 10px;
}

.eq-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 5px 0;
  font-size: 9px;
}

.eq-row label {
  width: 40px;
  text-align: right;
}

.eq-row input[type="range"] {
  flex: 1;
  height: 4px;
}

.eq-row .eq-val {
  width: 35px;
  text-align: left;
  color: var(--neon-green);
}

/* EQ Band Colors */
.eq-row.high label { color: #00ffff; }
.eq-row.mid label { color: #00ff41; }
.eq-row.bass label { color: #ff3333; }
.eq-row.sub label { color: #8800ff; }

.eq-row.high input::-webkit-slider-thumb { background: #00ffff; }
.eq-row.mid input::-webkit-slider-thumb { background: #00ff41; }
.eq-row.bass input::-webkit-slider-thumb { background: #ff3333; }
.eq-row.sub input::-webkit-slider-thumb { background: #8800ff; }

/* Sound Physics Toggles */
.physics-toggles {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
}

.physics-toggles .btn {
  font-size: 8px;
  padding: 3px 6px;
}

/* File Upload */
.file-upload-row {
  margin-top: 8px;
}

.file-upload-row input[type="file"] {
  font-size: 9px;
  color: var(--neon-green);
}

.file-upload-row input[type="file"]::file-selector-button {
  background: var(--bg-input);
  color: var(--neon-green);
  border: 1px solid var(--neon-green);
  padding: 3px 8px;
  border-radius: 3px;
  cursor: pointer;
  font-family: var(--font-main);
  font-size: 8px;
}

.file-upload-row input[type="file"]::file-selector-button:hover {
  background: var(--neon-green);
  color: var(--bg-primary);
}

/* Sound → Physics Legend */
.sound-legend {
  font-size: 8px;
  color: #888;
  margin-top: 10px;
  padding: 5px;
  background: rgba(0, 255, 65, 0.05);
  border-radius: 4px;
}

.sound-legend div {
  display: flex;
  align-items: center;
  gap: 5px;
  margin: 2px 0;
}

.sound-legend .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.sound-legend .dot.high { background: #00ffff; }
.sound-legend .dot.mid { background: #00ff41; }
.sound-legend .dot.bass { background: #ff3333; }
.sound-legend .dot.sub { background: #8800ff; }

/* ===== TOOLTIPS ===== */
[data-tooltip] {
  position: relative;
}

[data-tooltip]::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-primary);
  color: var(--neon-green);
  padding: 4px 8px;
  border: 1px solid var(--neon-green);
  border-radius: var(--border-radius-sm);
  font-size: var(--font-size-xs);
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

[data-tooltip]:hover::after {
  opacity: 1;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  #gun-selector {
    gap: 1px;
  }
  
  .gun-btn {
    padding: 1px 3px;
    font-size: 7px;
  }
  
  .popup-panel {
    width: 90%;
    max-width: 400px;
  }
  
  #periodic-table-panel {
    min-width: auto;
  }
  
  #pt-grid {
    grid-template-columns: repeat(9, 1fr);
  }
  
  #env-panel {
    width: 280px;
    right: 10px;
  }
}