/* ====== DARK TERMINAL THEME ====== */
:root {
  --bg0: #121212;
  --bg1: #1e1e1e;
  --bg2: #2d2d2d;
  --accent: #00e676;
  --accent2: #ff3b5c;
  --text: #e0e0e0;
  --text-muted: #aaa;
  --border: #444;
  --nature: #00e676;
  --panel-bg: #1e1e1e;
  --panel-border: #333;
  --dark: #121212;
}

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

body {
  font-family: 'Roboto', sans-serif;
  background: var(--bg0);
  color: var(--text);
  min-height: 100vh;
  padding-top: 60px;
  line-height: 1.4;
}

/* ---------- TOP MENU ---------- */
#topMenu {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--bg1);
  border-bottom: 1px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: .4rem .8rem;
  font-size: .85rem;
  gap: .4rem;
}

#topMenu .logoSmall {
  font-family: 'Orbitron', sans-serif;
  font-weight: 700;
  color: var(--accent) !important;
  letter-spacing: 1px;
  font-size: 1rem;
}

#topMenu nav {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  align-items: center;
}

#topMenu button,
#topMenu select {
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  padding: .4rem .6rem;
  border-radius: 4px;
  font-size: .75rem;
  cursor: pointer;
}

#topMenu .burger {
  display: none;
  font-size: 1.3rem;
  background: none;
  color: var(--accent);
}

.menu-link {
  background: none;
  border: none;
  color: inherit;
  font: inherit;
  padding: 0.5rem 1rem;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}

.menu-link:hover {
  background: rgba(255, 255, 255, 0.1);
}

#navLinks {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-controls {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  width: max-content;
  margin: 0.5rem 0 1rem;
}

/* ---------- INPUTS ---------- */
input[type="text"],
input[type="number"],
select,
textarea {
  background: var(--bg2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: .4rem .6rem;
  font-family: 'Roboto Mono', monospace;
}

input[type="range"] {
  accent-color: var(--accent);
}

input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border-radius: 50%;
  cursor: pointer;
}

input[type="range"]::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
}

/* ---------- PANELS ---------- */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  gap: 20px;
  padding: 20px;
}

.panel {
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
}

/* Center every panel or section title */
.panel-title,
h2, h3 {
  text-align: center !important;
  margin-left: auto;
  margin-right: auto;
  font-family: 'Orbitron', sans-serif;
  color: var(--accent);
  margin-top: 0;
  margin-bottom: 15px;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.panel::before {
  content: '';
  height: 2px;
  background: var(--accent2);
  border-radius: 1px;
}

.pie-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 15px;
}

/* ---------- BUTTONS ---------- */
button {
  background: linear-gradient(to bottom, var(--nature), #00a86b);
  color: var(--dark);
  border: none;
  padding: 5px 7.5px;
  border-radius: 3px;
  font-family: 'Orbitron', sans-serif;
  font-weight: 600;
  font-size: 0.7rem;
  cursor: pointer;
  transition: all 0.3s ease;
  box-shadow: 0 1px 2.5px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  gap: 4px;
  justify-content: center;
}

button:hover {
  transform: translateY(-1px);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

button.secondary {
  background: linear-gradient(to bottom, #4B5EAA, #3a4c8a);
  color: white;
}

.btn {
  padding: .45rem .9rem;
  font-size: .875rem;
  line-height: 1.25;
  border: 1px solid #cbd5e1;
  border-radius: .375rem;
  background: #fff;
  color: #334155;
  cursor: pointer;
  white-space: nowrap;
  min-width: 200px;
}

.btn:hover {
  background: #f1f5f9;
}

/* --- GREEN ACTION BUTTONS --- */
button.green,
#renderBtn,
#playBtn,
#downloadBtn,
button#startRealTimeBtn,
button#micBtn,
button#analyzeSingleBtn,
button#saveModelBtn {
  background: #00e676 !important;
  color: #000 !important;
  border: 1px solid #00c853;
}

#stopRealTimeBtn {
  background: #ff4444 !important;
  color: #ffffff !important;
  border: 1px solid #cc0000 !important;
}

#exportHQBtn.export-btn {
  background-color: #ff4444;
  color: white;
  border: 1px solid #cc0000;
}

#exportHQBtn.export-btn:hover {
  background-color: #cc0000;
}

.button-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5px;
  margin-top: 5px;
}

.button-group.compact {
  display: flex;
  gap: 3px;
  margin-bottom: 6px;
}

.button-group.compact button {
  padding: 2px 4px;
  font-size: 0.625rem;
  border-radius: 2px;
}

/* ---------- DROP ZONE ---------- */
.drop-zone {
  border: 2px dashed var(--accent);
  background: rgba(0, 230, 118, 0.05);
  padding: 15px;
  text-align: center;
  margin-bottom: 10px;
  border-radius: 8px;
  transition: all 0.3s ease;
  cursor: pointer;
}

.drop-zone.active {
  background: rgba(0, 230, 118, 0.15);
  border-color: var(--accent2);
}

.drop-zone p {
  margin: 5px 0;
  font-size: 0.9rem;
}

.file-input-label {
  display: inline-block;
  padding: 8px 12px;
  background: rgba(0, 230, 118, 0.1);
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
  margin-top: 5px;
}

.file-input-label:hover {
  background: rgba(0, 230, 118, 0.2);
}

input[type="file"] {
  width: 0.1px;
  height: 0.1px;
  opacity: 0;
  overflow: hidden;
  position: absolute;
  z-index: -1;
}

/* ---------- TABLES ---------- */
table {
  width: 100%;
  border-collapse: collapse;
  font-size: .85rem;
  margin: 0 auto;
  max-width: 95%;
}

th, td {
  padding: 8px 10px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-family: 'Roboto Mono', monospace;
}

th {
  background: var(--bg2);
  color: var(--accent);
  text-align: center;
}

tr:hover {
  background: var(--bg2);
}

.natural {
  background: rgba(0, 229, 255, .08);
}

.manmade {
  background: rgba(255, 64, 64, .08);
}

#analysisResults table,
#singleFileTable,
#trainingTable {
  margin: 20px auto;
  width: auto;
  min-width: 80%;
}

/* ---------- PROGRESS BARS ---------- */
.progress-wrapper {
  width: 100%;
  background: var(--bg2);
  border-radius: 4px;
  overflow: hidden;
  margin: 8px 0 4px;
}

.progress-bar {
  height: 3px;
  background: var(--accent2);
  width: 0;
  transition: width .2s;
}

#progressContainer {
  margin: 10px 0;
  background: var(--bg2);
  border-radius: 4px;
  overflow: hidden;
  height: 20px;
}

#analysisProgress {
  width: 100%;
  height: 100%;
  -webkit-appearance: none;
  appearance: none;
  border: none;
  background-color: transparent;
}

#analysisProgress::-webkit-progress-bar {
  background-color: transparent;
}

#analysisProgress::-webkit-progress-value {
  background-color: var(--accent2);
  transition: width 0.3s;
}

#progressValue {
  color: var(--accent2);
  font-weight: bold;
}

/* ---------- STATUS SECTIONS ---------- */
.status-section {
  max-width: 805px;
  margin: 6px auto 22px auto;
}

.status-section .status-panel {
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
  text-align: center;
}

.status-indicator {
  padding: 10px;
  border-radius: 4px;
  background: rgba(40, 40, 40, 0.7);
  border-left: 4px solid var(--nature);
  margin: 10px auto;
  font-size: 0.9rem;
  text-align: center;
  max-width: 80%;
  word-break: break-word;
}

#realTimeStatus {
  font-family: 'Roboto Mono', monospace;
  font-size: .9rem;
  color: var(--accent2);
}

#dailyReport {
  color: var(--text) !important;
}

.waveform-instruction {
  font-family: 'Roboto Mono', monospace;
  font-size: 0.85rem;
  color: var(--accent);
  text-align: center;
  margin: 10px 0;
  padding: 8px;
  background: var(--bg2);
  border-radius: 4px;
  border-bottom: 1px solid var(--border);
}

/* ---------- CONTROL PANELS ---------- */
.control-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 15px;
  margin-bottom: 20px;
}

.control-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.control-section h3 {
  margin: 0 0 10px 0;
  color: var(--accent);
  font-family: 'Orbitron', sans-serif;
  font-size: 1rem;
}

.slider-container {
  margin: 10px 0;
}

.slider-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 5px;
  font-size: 0.9rem;
}

.collapsible {
  background-color: #c82e26;
  color: white;
  cursor: pointer;
  padding: 18px;
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px 8px 0 0;
  transition: background-color 0.3s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.collapsible:hover {
  background-color: #00d752;
}

.collapsible::after {
  content: '▼';
  font-size: 14px;
  transition: transform 0.3s ease;
}

.collapsible.active::after {
  transform: rotate(180deg);
}

.collapsible + .panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .3s;
}

.collapsible.open + .panel {
  max-height: 100vh;
}

/* ---------- TRAINING CONTROLS ---------- */
.training-controls {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.input-group {
  display: flex;
  gap: 8px;
}

.input-group input {
  flex-grow: 1;
  padding: 8px 12px;
  background: var(--panel-bg);
  border: 1px solid var(--nature);
  color: white;
  border-radius: 4px;
}

.training-progress {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 10px 0;
}

.training-progress progress {
  flex-grow: 1;
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
}

.training-progress progress::-webkit-progress-bar {
  background-color: rgba(0, 230, 118, 0.2);
}

.training-progress progress::-webkit-progress-value {
  background: linear-gradient(to right, var(--nature), var(--accent));
}

.training-results {
  padding: 10px;
  background: rgba(40, 40, 40, 0.7);
  border-radius: 4px;
  margin-bottom: 10px;
  min-height: 20px;
}

.train-btn {
  background-color: #3b82f6;
  color: white;
  border: none;
  border-radius: 4px;
  padding: 4px 8px;
  font-size: 12px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}

.train-btn:hover {
  background-color: #2563eb;
}

.train-column {
  width: 80px;
  text-align: center;
}

@keyframes train-highlight {
  0% {
    background-color: rgba(74, 222, 128, 0.3);
  }
  100% {
    background-color: transparent;
  }
}

.train-highlight {
  animation: train-highlight 1s;
}

/* ---------- MIDI SECTION ---------- */
.midi-section {
  margin: 17px auto;
  max-width: 410px;
  padding: 15px;
  background: #0b690f;
  border-radius: 8px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.label-list-container {
  max-height: 200px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px;
  margin-top: 10px;
  background: var(--bg1);
}

#labelList {
  list-style: none;
  padding: 0;
  margin: 0;
}

#labelList li {
  padding: 8px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}

#labelList li:last-child {
  border-bottom: none;
}

.label-text {
  display: block;
  margin-bottom: 5px;
  font-weight: 500;
  color: #e3ebe4;
}

.status-text {
  color: #f5eeee;
  font-size: 14px;
  margin: 10px 0;
}

.centered-button {
  display: block;
  margin: 15px auto;
}

/* ---------- RENDER PANEL ---------- */
.render-panel {
  background: var(--bg1);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  max-width: 600px;
  margin: 0 auto;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.render-panel .control-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.render-panel .slider-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.render-panel input[type="range"] {
  height: 4px;
  background: var(--bg2);
  border-radius: 2px;
}

.render-panel #combinedWaveform {
  width: 100%;
  min-height: 50px;
  margin: 8px 0;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg2);
}

/* ---------- SPECIAL CONTROLS ---------- */
#reverbControls,
#lorenzControls {
  background: rgba(0, 230, 118, 0.05);
  border: 1px solid var(--accent);
  border-radius: 6px;
  padding: 8px;
  margin-top: 6px;
}

.red-select select {
  color: rgb(237, 231, 231);
  background: rgb(222, 51, 51);
}

.custom-option {
  color: rgb(255, 255, 0);
}

/* ---------- MULTI OUTPUT CONTROLS ---------- */
#multiOutputControls {
  margin: 10px 0;
  padding: 10px;
  border: 1px solid #444;
  border-radius: 5px;
  background: #f5f5f5;
  font-family: Arial, sans-serif;
}

#multiOutputControls legend {
  font-weight: bold;
  color: #333;
}

#multiOutputControls label {
  margin: 5px 0;
  display: block;
  color: #333;
}

#multiOutputControls input[type="checkbox"] {
  margin-right: 5px;
}

#multiOutputControls select {
  padding: 5px;
  border-radius: 3px;
  border: 1px solid #ccc;
  background: #fff;
  margin-left: 5px;
}

.channel-controls-compact {
  font-size: 10px !important;
  line-height: 1.2 !important;
}

.channel-controls-compact .mini-slider {
  width: 100% !important;
  height: 12px !important;
  margin: 1px 0 !important;
}

.channel-controls-compact .mini-input,
.channel-controls-compact .mini-select {
  width: 100% !important;
  height: 16px !important;
  font-size: 9px !important;
  padding: 1px 2px !important;
  margin: 1px 0 !important;
}

.channel-controls-compact .mini-button {
  padding: 1px 4px !important;
  font-size: 9px !important;
  height: 16px !important;
  min-width: 16px !important;
}

.channel-controls-compact .compact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  margin-bottom: 4px;
}

.channel-controls-compact .compact-row {
  margin-bottom: 3px;
}

.channel-controls-compact .value-display {
  font-size: 8px;
  opacity: 0.8;
}

/* ---------- NAVIGATION ---------- */
.nav-ribbon {
  display: flex;
  justify-content: center;
  gap: .5rem;
  margin: -1rem 0 0;
  font-size: .75rem;
}

.nav-btn {
  padding: .25rem .6rem;
  border-radius: 4px;
  background: var(--bg2);
  color: var(--accent);
  text-decoration: none;
  transition: background .2s;
}

.nav-btn:hover {
  background: #00e676;
  color: #000;
}

/* ---------- TOOLTIPS ---------- */
[data-tooltip] {
  position: relative;
  display: inline-block;
  cursor: pointer;
}

[data-tooltip]:hover:after {
  content: attr(data-tooltip);
  position: absolute;
  left: 0;
  bottom: 100%;
  background-color: #333;
  color: #fff;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 14px;
  white-space: normal;
  max-width: 60rem;
  z-index: 10;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
}

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

body:not(.tooltips-off) #tooltipToggle {
  background: #00e676;
  color: #fff;
}

body.tooltips-off #tooltipToggle {
  background: #ff4444;
  color: #fff;
}

body.tooltips-off [data-tooltip]:hover::after,
body.tooltips-off [data-tooltip]:hover::before {
  display: none !important;
}

/* ---------- ANIMATIONS ---------- */
.blink {
  animation: blink-animation 1s steps(2, start) infinite;
}

@keyframes blink-animation {
  to { opacity: 0.3; }
}

#playBtn:active {
  transform: scale(0.95);
  background-color: #00a86b !important;
}

/* ---------- ENHANCED ANALYZER STYLES ---------- */
.harmonic-bar {
  position: absolute;
  bottom: 0;
  background: linear-gradient(to top, #ffc107, #ff9800);
  border-radius: 4px 4px 0 0;
  transition: height 0.3s ease;
}

.harmonic-label {
  position: absolute;
  top: -20px;
  width: 100%;
  text-align: center;
  font-size: 0.8em;
  color: #666;
}

.btn-primary {
  background: #4facfe !important;
  color: white !important;
}

.btn-secondary {
  background: #666 !important;
  color: white !important;
}

.analysis-mode-btn {
  padding: 8px 15px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9em;
}

.preset-btn {
  padding: 5px 10px;
  border: none;
  border-radius: 4px;
  background: #666;
  color: white;
  cursor: pointer;
  font-size: 0.9em;
}

.preset-btn.active {
  background: #4facfe !important;
  color: white !important;
}

/* ---------- MEDIA QUERIES ---------- */
@media (max-width: 768px) {
  #topMenu {
    flex-wrap: wrap;
  }
  
  #topMenu nav {
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    transition: max-height .3s;
  }
  
  #topMenu nav.open {
    max-height: 600px;
  }
  
  #topMenu .burger {
    display: block;
  }
  
  .control-panel {
    grid-template-columns: 1fr;
  }
  
  .status-section {
    max-width: 100%;
  }
  
  .status-section .status-panel {
    max-width: 100%;
  }
}

@media (hover: none) {
  #playBtn {
    padding: 12px 20px;
    font-size: 1.1rem;
  }
}