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

:root {
  --mahogany: #2A1F14;
  --brass: #8B7355;
  --copper: #C4956A;
  --paper: #D4A574;
  --shadow: #1A1209;
  --parchment: #F5DEB3;
  --amber: #FFB347;
  --danger: #8B0000;
  --safe: #2E8B57;
  --wax: #B8945A;
  --wax-light: #D4B87A;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--mahogany);
  font-family: 'Playfair Display', serif;
  color: var(--parchment);
}

#grain-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.06;
  mix-blend-mode: overlay;
}

#vignette {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(ellipse at center, transparent 50%, rgba(10,6,2,0.7) 100%);
}

#app-container {
  display: grid;
  grid-template-columns: 240px 1fr 260px;
  grid-template-rows: 1fr 120px auto;
  width: 100%;
  height: calc(100vh - 40px);
  gap: 0;
  position: relative;
  z-index: 1;
}

/* LEFT PANEL */
#left-panel {
  grid-column: 1;
  grid-row: 1 / 3;
  background: linear-gradient(180deg, rgba(26,18,9,0.95), rgba(42,31,20,0.95));
  border-right: 2px solid var(--brass);
  overflow-y: auto;
  padding: 12px;
  z-index: 10;
}

#left-panel::-webkit-scrollbar { width: 6px; }
#left-panel::-webkit-scrollbar-thumb { background: var(--brass); border-radius: 3px; }
#left-panel::-webkit-scrollbar-track { background: var(--shadow); }

.panel-header h2 {
  font-size: 14px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--amber);
  text-align: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--brass);
  margin-bottom: 10px;
}

#load-mp3-btn {
  text-align: center;
  padding: 8px;
  margin-bottom: 10px;
  cursor: pointer;
  font-size: 12px;
  letter-spacing: 2px;
}

.brass-btn {
  background: linear-gradient(145deg, var(--brass), #6B5540);
  border: 1px solid var(--copper);
  color: var(--parchment);
  padding: 6px 12px;
  font-family: 'Special Elite', cursive;
  cursor: pointer;
  text-align: center;
  transition: all 0.2s;
  border-radius: 2px;
}
.brass-btn:hover {
  background: linear-gradient(145deg, var(--copper), var(--brass));
  box-shadow: 0 0 10px rgba(255,179,71,0.3);
}

.cylinder-card {
  background: linear-gradient(135deg, #3A2A1A, #2A1F14);
  border: 1px solid #5A4A35;
  border-radius: 3px;
  padding: 10px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: all 0.3s;
  position: relative;
}
.cylinder-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  border-color: var(--amber);
}
.cylinder-card.active {
  border-color: var(--amber);
  box-shadow: 0 0 15px rgba(255,179,71,0.2);
}
.cylinder-card .cyl-icon {
  display: inline-block;
  width: 28px;
  height: 18px;
  background: linear-gradient(to bottom, var(--wax-light), var(--wax));
  border-radius: 9px;
  margin-right: 8px;
  vertical-align: middle;
  border: 1px solid #8B7355;
}
.cylinder-card.blank .cyl-icon {
  background: linear-gradient(to bottom, #E8D5A8, #D4C090);
}
.cylinder-card .cyl-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--parchment);
}
.cylinder-card .cyl-artist {
  font-size: 11px;
  font-style: italic;
  color: var(--paper);
  opacity: 0.8;
}
.cylinder-card .cyl-meta {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 10px;
  color: var(--brass);
  margin-top: 4px;
}
.cylinder-card .cyl-wear {
  position: absolute;
  top: 6px;
  right: 8px;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  background: rgba(139,0,0,0.3);
  padding: 2px 5px;
  border-radius: 8px;
  color: var(--copper);
}
.cylinder-card .load-btn {
  display: none;
  margin-top: 6px;
}
.cylinder-card:hover .load-btn {
  display: block;
}

.section-divider {
  text-align: center;
  font-size: 10px;
  letter-spacing: 2px;
  color: var(--brass);
  padding: 10px 0;
  opacity: 0.7;
}

/* SCENE */
#scene-container {
  grid-column: 2;
  grid-row: 1;
  position: relative;
  overflow: hidden;
  background: var(--shadow);
}
#scene-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* WAVEFORM */
#waveform-container {
  grid-column: 2;
  grid-row: 2;
  background: linear-gradient(0deg, rgba(26,18,9,0.98), rgba(42,31,20,0.9));
  border-top: 2px solid var(--brass);
  position: relative;
  overflow: hidden;
  padding: 8px 20px;
}
#waveform-canvas {
  width: 100%;
  height: 80px;
  display: block;
}
#needle-indicator {
  position: absolute;
  top: 4px;
  left: 50%;
  width: 2px;
  height: calc(100% - 20px);
  background: var(--danger);
  z-index: 2;
  box-shadow: 0 0 6px rgba(139,0,0,0.6);
}
#needle-indicator::before {
  content: '▼';
  position: absolute;
  top: -2px;
  left: -6px;
  font-size: 12px;
  color: var(--danger);
}
#timeline-strip {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 9px;
  color: var(--brass);
  display: flex;
  justify-content: space-between;
  padding: 0 10px;
  opacity: 0.6;
}

/* RIGHT PANEL */
#right-panel {
  grid-column: 3;
  grid-row: 1 / 3;
  background: linear-gradient(180deg, rgba(26,18,9,0.95), rgba(42,31,20,0.95));
  border-left: 2px solid var(--brass);
  padding: 12px;
  overflow-y: auto;
  z-index: 10;
}

.parchment-card {
  background: linear-gradient(135deg, #3A2E1E, #2E2216);
  border: 1px solid var(--brass);
  border-radius: 3px;
  padding: 12px;
  margin-bottom: 12px;
  position: relative;
}
.parchment-card::before {
  content: '📌';
  position: absolute;
  top: -8px;
  right: 10px;
  font-size: 14px;
}
.parchment-card h3 {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--amber);
  border-bottom: 1px solid rgba(139,115,85,0.4);
  padding-bottom: 6px;
  margin-bottom: 8px;
}
.meta-field {
  font-size: 13px;
  margin: 4px 0;
  color: var(--parchment);
}
.meta-field.italic { font-style: italic; }
.meta-field.mono { font-family: 'IBM Plex Mono', monospace; font-size: 11px; color: var(--brass); }

#depth-canvas {
  width: 100%;
  height: 120px;
  background: #1A1209;
  border: 1px solid rgba(139,115,85,0.3);
  border-radius: 2px;
}
.depth-labels {
  display: flex;
  justify-content: space-between;
  font-family: 'IBM Plex Mono', monospace;
  font-size: 8px;
  color: var(--brass);
  opacity: 0.6;
  padding-top: 2px;
}

/* CONTROL PANEL */
#control-panel {
  grid-column: 1 / 4;
  grid-row: 3;
  background: linear-gradient(180deg, #5A4A35, #3A2E1E, #2A1F14);
  border-top: 3px solid var(--brass);
  padding: 12px 20px;
  position: relative;
  min-height: 170px;
}
#controls-inner {
  display: flex;
  justify-content: space-around;
  align-items: flex-start;
  gap: 20px;
  max-width: 1200px;
  margin: 0 auto;
}

.control-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}
.control-label {
  font-family: 'Special Elite', cursive;
  font-size: 10px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--parchment);
  opacity: 0.7;
}
.control-label.small { font-size: 8px; letter-spacing: 2px; }

#crank-canvas, #tension-gauge, #volume-knob {
  cursor: pointer;
  display: block;
}

.transport-buttons {
  display: flex;
  gap: 8px;
  margin: 6px 0;
}

.brass-lever {
  background: linear-gradient(145deg, #8B7355, #6B5540, #5A4A35);
  border: 2px solid var(--copper);
  color: var(--parchment);
  font-family: 'Special Elite', cursive;
  font-size: 16px;
  padding: 8px 14px;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.15s;
  text-align: center;
  user-select: none;
  min-width: 44px;
}
.brass-lever:hover {
  background: linear-gradient(145deg, var(--copper), var(--brass));
  box-shadow: 0 0 12px rgba(255,179,71,0.3);
}
.brass-lever:active {
  transform: translateY(2px);
  box-shadow: inset 0 2px 4px rgba(0,0,0,0.5);
}
.brass-lever.playing {
  box-shadow: 0 0 15px rgba(255,179,71,0.5);
  border-color: var(--amber);
}
.brass-lever.record {
  position: relative;
  font-size: 11px;
  letter-spacing: 1px;
}
#record-light {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #4A0000;
  display: inline-block;
  margin-right: 4px;
  vertical-align: middle;
  transition: all 0.3s;
}
#record-light.active {
  background: #FF0000;
  box-shadow: 0 0 10px #FF0000;
  animation: blink 0.8s infinite;
}
@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.brass-lever.caution {
  border-color: var(--danger);
  font-size: 11px;
  letter-spacing: 1px;
}
.brass-lever.small {
  font-size: 9px;
  padding: 5px 10px;
  letter-spacing: 1px;
}

#speed-selector {
  display: flex;
  gap: 12px;
  padding: 6px;
}
.speed-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  opacity: 0.5;
  transition: all 0.3s;
  font-size: 11px;
  text-align: center;
}
.speed-option.active {
  opacity: 1;
}
.speed-option:hover { opacity: 0.8; }
.speed-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--brass);
  background: transparent;
  transition: all 0.3s;
}
.speed-option.active .speed-dot {
  background: var(--amber);
  box-shadow: 0 0 8px var(--amber);
}
.speed-option small {
  font-family: 'Special Elite', cursive;
  font-size: 9px;
  color: var(--copper);
}

.volume-control {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 4px;
}

.screw {
  position: absolute;
  width: 12px;
  height: 12px;
  background: radial-gradient(circle at 40% 40%, #9A8A70, #5A4A35);
  border-radius: 50%;
  border: 1px solid #4A3A25;
}
.screw::after {
  content: '';
  position: absolute;
  top: 5px; left: 2px;
  width: 8px; height: 1.5px;
  background: #3A2A1A;
  transform: rotate(35deg);
}
#screw-tl { top: 6px; left: 6px; }
#screw-tr { top: 6px; right: 6px; }
#screw-bl { bottom: 6px; left: 6px; }
#screw-br { bottom: 6px; right: 6px; }

/* CONFIRM DIALOG */
#confirm-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(10,6,2,0.85);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
}
#confirm-dialog {
  background: linear-gradient(135deg, #3A2E1E, #2A1F14);
  border: 2px solid var(--brass);
  padding: 24px;
  max-width: 400px;
  text-align: center;
}
.telegram-header {
  font-family: 'Special Elite', cursive;
  font-size: 14px;
  letter-spacing: 4px;
  color: var(--amber);
  margin-bottom: 16px;
  border-bottom: 1px solid var(--brass);
  padding-bottom: 8px;
}
#confirm-message {
  font-size: 13px;
  line-height: 1.6;
  margin-bottom: 20px;
  color: var(--parchment);
}
.confirm-buttons {
  display: flex;
  gap: 12px;
  justify-content: center;
}

/* FOOTER */
#main-footer {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(0deg, #1A1209, #2A1F14);
  border-top: 1px solid var(--brass);
  font-family: 'Special Elite', cursive;
  font-size: 11px;
  color: var(--brass);
  z-index: 10;
}
#main-footer a {
  color: var(--amber);
  text-decoration: none;
  transition: color 0.2s;
}
#main-footer a:hover {
  color: var(--parchment);
  text-decoration: underline;
}
.footer-ornament { font-size: 14px; opacity: 0.5; }
.footer-sep { opacity: 0.3; }

/* RESPONSIVE */
@media (max-width: 1024px) {
  #app-container {
    grid-template-columns: 200px 1fr 200px;
  }
  .parchment-card h3 { font-size: 10px; }
  #controls-inner { gap: 10px; }
}

@media (max-width: 768px) {
  #app-container {
    grid-template-columns: 1fr;
    grid-template-rows: auto 300px 100px auto;
    height: auto;
    min-height: 100vh;
  }
  #left-panel {
    grid-column: 1;
    grid-row: 1;
    border-right: none;
    border-bottom: 2px solid var(--brass);
    max-height: 200px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: flex-start;
  }
  .panel-header { width: 100%; }
  #load-mp3-btn { width: 100%; }
  .cylinder-card { width: calc(50% - 4px); }
  #right-panel {
    grid-column: 1;
    grid-row: 4;
    border-left: none;
    border-top: 2px solid var(--brass);
    max-height: 250px;
  }
  #scene-container {
    grid-column: 1;
    grid-row: 2;
    min-height: 300px;
  }
  #waveform-container {
    grid-column: 1;
    grid-row: 3;
  }
  #control-panel {
    grid-column: 1;
    grid-row: 5;
    min-height: auto;
  }
  #controls-inner {
    flex-wrap: wrap;
    gap: 10px;
  }
  .control-section {
    min-width: 120px;
  }
}