/* ============================================================
   Demo Page Styles
   Interactive product mockups for bidding demonstrations
   ============================================================ */

.demo-page {
  padding-top: var(--nav-height);
  min-height: 100vh;
}

.demo-header {
  padding: 30px 40px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(5, 5, 13, 0.6);
  backdrop-filter: blur(10px);
}

.demo-header-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.demo-back {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--bg-panel);
  display: grid;
  place-items: center;
  font-size: 16px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.demo-back:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.demo-header h2 {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.demo-header .demo-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 2px;
}

.demo-header-right {
  display: flex;
  gap: 10px;
}

.demo-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.demo-badge.live {
  background: rgba(52, 211, 153, 0.15);
  color: #34d399;
  border: 1px solid rgba(52, 211, 153, 0.3);
}

.demo-badge.live .dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34d399;
  animation: pulse-dot 1.5s infinite;
}

.demo-badge.mock {
  background: rgba(251, 191, 36, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.3);
}

/* ============ STUDIO DEMO ============ */
.studio-demo {
  display: grid;
  grid-template-rows: auto 1fr auto;
  height: calc(100vh - var(--nav-height) - 81px);
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  gap: 12px;
}

.studio-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
}

.tool-group {
  display: flex;
  gap: 6px;
}

.tool-group + .tool-group::before {
  content: "";
  width: 1px;
  height: 24px;
  background: var(--line);
  margin-right: 6px;
}

.tool-btn {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-panel-2);
  color: var(--text-secondary);
  font-size: 14px;
  display: grid;
  place-items: center;
  transition: var(--transition);
  cursor: pointer;
}

.tool-btn:hover,
.tool-btn.active {
  border-color: var(--violet);
  background: rgba(124, 92, 255, 0.15);
  color: var(--text-primary);
}

.tool-btn.play {
  background: linear-gradient(135deg, var(--violet), var(--magenta));
  border: none;
  color: #fff;
  width: 44px;
}

.tool-btn.record {
  color: #ff4d6d;
  border-color: rgba(255, 77, 109, 0.4);
}

.tool-btn.record.active {
  background: rgba(255, 77, 109, 0.2);
  animation: pulse-record 1s infinite;
}

@keyframes pulse-record {
  0%, 100% { box-shadow: 0 0 0 0 rgba(255, 77, 109, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(255, 77, 109, 0); }
}

.tool-spacer {
  flex: 1;
}

.instrument-select {
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-panel-2);
  color: var(--text-primary);
  font-size: 12px;
  font-family: inherit;
  cursor: pointer;
}

.studio-main {
  display: grid;
  grid-template-columns: 200px 1fr 240px;
  gap: 12px;
  min-height: 0;
}

.studio-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.panel-header {
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
}

/* Track list */
.track-list {
  list-style: none;
}

.track-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px;
  border-radius: 8px;
  margin-bottom: 6px;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.track-item:hover {
  background: var(--bg-panel-2);
}

.track-item.active {
  background: rgba(124, 92, 255, 0.12);
  border-color: rgba(124, 92, 255, 0.3);
}

.track-color {
  width: 4px;
  height: 32px;
  border-radius: 2px;
  flex-shrink: 0;
}

.track-info {
  flex: 1;
  min-width: 0;
}

.track-name {
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.track-type {
  font-size: 10px;
  color: var(--text-muted);
}

.track-controls {
  display: flex;
  gap: 4px;
}

.track-btn {
  width: 24px;
  height: 24px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: transparent;
  color: var(--text-muted);
  font-size: 10px;
  cursor: pointer;
}

.track-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Piano roll area */
.piano-roll {
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
}

.timeline {
  display: flex;
  height: 28px;
  border-bottom: 1px solid var(--line);
  padding: 0 10px;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
}

.timeline-beat {
  flex: 1;
  height: 10px;
  border-left: 1px solid var(--line);
  font-size: 9px;
  color: var(--text-muted);
  padding-left: 4px;
  padding-top: 2px;
}

.timeline-beat.strong {
  border-left-color: var(--line-bright);
  color: var(--text-secondary);
}

.roll-area {
  flex: 1;
  display: grid;
  grid-template-columns: 60px 1fr;
  min-height: 0;
  overflow: hidden;
}

.piano-keys {
  border-right: 1px solid var(--line);
  background: var(--bg-dark);
  display: flex;
  flex-direction: column;
}

.piano-key {
  flex: 1;
  border-bottom: 1px solid var(--line);
  font-size: 9px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 6px;
  text-align: right;
}

.piano-key.black {
  background: rgba(0, 0, 0, 0.3);
  color: var(--text-dim);
}

.roll-grid {
  position: relative;
  background-image:
    linear-gradient(90deg, var(--line) 1px, transparent 1px),
    linear-gradient(var(--line) 1px, transparent 1px);
  background-size: calc(100% / 16) calc(100% / 12);
  overflow: hidden;
}

.note-block {
  position: absolute;
  height: calc(100% / 12 - 2px);
  border-radius: 3px;
  background: linear-gradient(135deg, var(--violet), var(--cyan));
  opacity: 0.85;
  top: 2px;
}

.note-block.t2 { background: linear-gradient(135deg, var(--magenta), var(--violet)); }
.note-block.t3 { background: linear-gradient(135deg, var(--teal), var(--cyan)); }
.note-block.t4 { background: linear-gradient(135deg, var(--gold), var(--magenta)); }

.playhead {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--lime);
  box-shadow: 0 0 10px var(--lime);
  z-index: 10;
  animation: playhead-move 8s linear infinite;
}

@keyframes playhead-move {
  0% { left: 0; }
  100% { left: 100%; }
}

/* Mixer panel */
.mixer-channel {
  margin-bottom: 14px;
  text-align: center;
}

.mixer-channel .ch-name {
  font-size: 10px;
  color: var(--text-muted);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.mixer-fader {
  position: relative;
  height: 120px;
  width: 4px;
  margin: 0 auto 8px;
  background: var(--bg-panel-2);
  border-radius: 2px;
}

.mixer-fader::before {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(180deg, var(--violet), var(--cyan));
  border-radius: 2px;
  height: var(--fader-level, 65%);
}

.fader-knob {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(var(--fader-level, 65%) - 8px);
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--text-primary);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
  cursor: grab;
}

.mixer-channel .ch-level {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-muted);
}

/* Studio bottom - transport */
.studio-transport {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 12px 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
}

.transport-time {
  font-family: var(--font-mono);
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 2px;
}

.transport-time .ms {
  font-size: 14px;
  color: var(--text-muted);
}

.transport-info {
  display: flex;
  gap: 20px;
  font-size: 11px;
  color: var(--text-muted);
}

.transport-info span b {
  color: var(--text-secondary);
  font-weight: 600;
}

.transport-controls {
  margin-left: auto;
  display: flex;
  gap: 8px;
}

/* ============ LIVE DEMO ============ */
.live-demo {
  max-width: 1400px;
  margin: 0 auto;
  padding: 20px;
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
  height: calc(100vh - var(--nav-height) - 81px);
}

.live-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.live-panel-header {
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.live-panel-title {
  display: flex;
  align-items: center;
  gap: 10px;
}

.live-panel-title .panel-icon {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 16px;
  background: rgba(124, 92, 255, 0.15);
  border: 1px solid var(--line);
}

.live-panel-title h3 {
  font-size: 14px;
  font-weight: 700;
}

.live-panel-title .panel-sub {
  font-size: 10px;
  color: var(--text-muted);
}

.live-panel-body {
  flex: 1;
  padding: 16px;
  overflow-y: auto;
}

/* Input panel */
.input-visualizer {
  height: 80px;
  margin-bottom: 16px;
  border-radius: 8px;
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 3px;
  padding: 10px;
}

.input-bar {
  width: 4px;
  background: linear-gradient(180deg, var(--cyan), var(--violet));
  border-radius: 2px;
  animation: bar-bounce 0.8s ease-in-out infinite;
}

@keyframes bar-bounce {
  0%, 100% { height: 20%; }
  50% { height: 85%; }
}

.input-bar:nth-child(1) { animation-delay: 0s; }
.input-bar:nth-child(2) { animation-delay: 0.05s; }
.input-bar:nth-child(3) { animation-delay: 0.1s; }
.input-bar:nth-child(4) { animation-delay: 0.15s; }
.input-bar:nth-child(5) { animation-delay: 0.2s; }
.input-bar:nth-child(6) { animation-delay: 0.25s; }
.input-bar:nth-child(7) { animation-delay: 0.3s; }
.input-bar:nth-child(8) { animation-delay: 0.35s; }
.input-bar:nth-child(9) { animation-delay: 0.4s; }
.input-bar:nth-child(10) { animation-delay: 0.45s; }
.input-bar:nth-child(11) { animation-delay: 0.5s; }
.input-bar:nth-child(12) { animation-delay: 0.55s; }

.input-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 16px;
}

.input-stat {
  padding: 12px;
  border-radius: 8px;
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
}

.input-stat .stat-label {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.input-stat .stat-value {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  color: var(--cyan);
}

.input-stat .stat-value.warn { color: var(--gold); }
.input-stat .stat-value.good { color: var(--lime); }

/* Brain panel */
.brain-section {
  margin-bottom: 18px;
}

.brain-section-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 10px;
}

.brain-metrics {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.brain-metric {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brain-metric .bm-label {
  width: 60px;
  font-size: 11px;
  color: var(--text-secondary);
  flex-shrink: 0;
}

.brain-metric .bm-bar {
  flex: 1;
  height: 8px;
  border-radius: 4px;
  background: var(--bg-panel-2);
  overflow: hidden;
}

.brain-metric .bm-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  animation: fill-pulse 2s ease-in-out infinite alternate;
}

@keyframes fill-pulse {
  0% { opacity: 0.7; }
  100% { opacity: 1; }
}

.brain-metric .bm-value {
  width: 36px;
  text-align: right;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-muted);
}

.brain-decisions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.decision-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 6px;
  background: var(--bg-panel-2);
  border-left: 3px solid var(--violet);
  font-size: 11px;
  color: var(--text-secondary);
}

.decision-item::before {
  content: "▸";
  color: var(--cyan);
  font-size: 10px;
}

/* Output panel */
.output-waveform {
  height: 100px;
  margin-bottom: 16px;
  border-radius: 8px;
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.output-waveform svg {
  width: 100%;
  height: 100%;
}

.output-tracks {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.output-track {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
}

.ot-icon {
  width: 28px;
  height: 28px;
  border-radius: 6px;
  display: grid;
  place-items: center;
  font-size: 14px;
  background: rgba(124, 92, 255, 0.15);
  flex-shrink: 0;
}

.ot-info {
  flex: 1;
  min-width: 0;
}

.ot-name {
  font-size: 12px;
  font-weight: 600;
  margin-bottom: 2px;
}

.ot-meta {
  font-size: 10px;
  color: var(--text-muted);
}

.ot-level {
  width: 50px;
  height: 4px;
  border-radius: 2px;
  background: var(--bg-dark);
  overflow: hidden;
}

.ot-level-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--violet), var(--cyan));
  border-radius: 2px;
}

/* Evidence panel */
.evidence-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.evidence-item {
  padding: 10px 12px;
  border-radius: 8px;
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  font-size: 11px;
}

.evidence-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.evidence-badge {
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.evidence-badge.ok {
  background: rgba(52, 211, 153, 0.15);
  color: #34d399;
}

.evidence-badge.info {
  background: rgba(59, 130, 246, 0.15);
  color: #60a5fa;
}

.evidence-title {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-primary);
}

.evidence-desc {
  font-size: 10px;
  color: var(--text-muted);
  line-height: 1.5;
  font-family: var(--font-mono);
}

/* ============ BAND DEMO ============ */
.band-demo {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px;
}

.band-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}

.band-control-group {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  flex: 1;
  min-width: 200px;
}

.band-control-group h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.style-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
  gap: 8px;
}

.style-btn {
  padding: 10px 8px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-panel-2);
  color: var(--text-secondary);
  font-size: 11px;
  font-weight: 500;
  text-align: center;
  cursor: pointer;
  transition: var(--transition);
}

.style-btn:hover,
.style-btn.active {
  border-color: var(--teal);
  background: rgba(94, 234, 212, 0.1);
  color: var(--teal);
}

.band-visualizer {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--bg-panel);
  padding: 30px;
  margin-bottom: 20px;
}

.band-stage {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.band-member {
  text-align: center;
  padding: 20px 16px;
  border-radius: var(--radius-md);
  background: var(--bg-panel-2);
  border: 1px solid var(--line);
  transition: var(--transition);
}

.band-member.playing {
  border-color: var(--teal);
  box-shadow: 0 0 20px rgba(94, 234, 212, 0.2);
}

.bm-icon {
  font-size: 40px;
  margin-bottom: 10px;
  animation: member-bounce 0.6s ease-in-out infinite;
}

.band-member:nth-child(2) .bm-icon { animation-delay: 0.15s; }
.band-member:nth-child(3) .bm-icon { animation-delay: 0.3s; }
.band-member:nth-child(4) .bm-icon { animation-delay: 0.45s; }

@keyframes member-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.bm-name {
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 4px;
}

.bm-role {
  font-size: 10px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.band-master {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  background: var(--bg-dark);
  border: 1px solid var(--line);
}

.band-master .bm-play {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), #2dd4bf);
  color: #042f2e;
  font-size: 18px;
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: var(--transition);
  flex-shrink: 0;
}

.band-master .bm-play:hover {
  transform: scale(1.08);
  box-shadow: 0 0 20px rgba(94, 234, 212, 0.4);
}

.band-master-info {
  flex: 1;
}

.band-master-title {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 6px;
}

.band-master-bar {
  height: 6px;
  border-radius: 3px;
  background: var(--bg-panel-2);
  overflow: hidden;
}

.band-master-progress {
  height: 100%;
  width: 35%;
  background: linear-gradient(90deg, var(--teal), var(--cyan));
  border-radius: 3px;
  transition: width 0.3s linear;
}

.band-master-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-muted);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1024px) {
  .studio-main {
    grid-template-columns: 160px 1fr;
  }
  
  .studio-panel.mixer {
    display: none;
  }
  
  .live-demo {
    grid-template-columns: 1fr 1fr;
    height: auto;
  }
}

@media (max-width: 768px) {
  .demo-header {
    padding: 16px 20px;
  }
  
  .studio-main {
    grid-template-columns: 1fr;
  }
  
  .studio-panel.tracks {
    display: none;
  }
  
  .live-demo {
    grid-template-columns: 1fr;
  }
  
  .band-stage {
    grid-template-columns: repeat(2, 1fr);
  }
}