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

:root {
  --bg: #0a0a0a;
  --panel: #111111;
  --border: #1a1a1a;
  --green: #00ff41;
  --green-dim: #00aa2a;
  --green-bg: rgba(0,255,65,0.08);
  --magenta: #ff00ff;
  --cyan: #00ffff;
  --red: #ff3333;
  --text: #c0c0c0;
  --text-bright: #e0e0e0;
  --font: 'JetBrains Mono', 'Fira Code', 'Courier New', monospace;
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 13px;
  overflow-x: hidden;
  min-height: 100vh;
}

#app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 16px;
}

/* ---- HEADER ---- */
header {
  text-align: center;
  padding: 20px 0 12px;
}

.glitch-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 6px;
  color: #fff;
  position: relative;
  display: inline-block;
  animation: glitch-skew 4s infinite linear alternate-reverse;
}

.glitch-title::before,
.glitch-title::after {
  content: attr(data-text);
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  overflow: hidden;
}

.glitch-title::before {
  color: var(--cyan);
  z-index: -1;
  animation: glitch-1 3s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
}

.glitch-title::after {
  color: var(--magenta);
  z-index: -1;
  animation: glitch-2 2.5s infinite linear alternate-reverse;
  clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
}

@keyframes glitch-1 {
  0%, 80% { transform: translate(0); }
  82% { transform: translate(-3px, 1px); }
  84% { transform: translate(3px, -1px); }
  86% { transform: translate(-1px, 2px); }
  88%, 100% { transform: translate(0); }
}

@keyframes glitch-2 {
  0%, 75% { transform: translate(0); }
  77% { transform: translate(2px, -2px); }
  79% { transform: translate(-4px, 1px); }
  81% { transform: translate(1px, 3px); }
  83%, 100% { transform: translate(0); }
}

@keyframes glitch-skew {
  0%, 90% { transform: skew(0deg); }
  92% { transform: skew(-1deg); }
  94% { transform: skew(0.5deg); }
  96% { transform: skew(-0.3deg); }
  98%, 100% { transform: skew(0deg); }
}

.subtitle {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--green-dim);
  letter-spacing: 3px;
  margin-top: 4px;
}

/* ---- LAYOUT ---- */
#main-layout {
  display: flex;
  gap: 20px;
  margin-top: 16px;
}

#canvas-column {
  flex: 1;
  min-width: 0;
}

#controls-column {
  width: 300px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---- SOURCE PANEL ---- */
#source-panel {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.source-btn {
  font-family: var(--font);
  background: var(--panel);
  color: var(--text-bright);
  border: 1px solid var(--border);
  padding: 10px 20px;
  font-size: 0.9rem;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s;
}

.source-btn:hover {
  border-color: var(--green-dim);
  background: var(--green-bg);
}

.source-btn.active {
  border-color: var(--green);
  box-shadow: 0 0 12px rgba(0,255,65,0.3), inset 0 0 8px rgba(0,255,65,0.1);
  color: var(--green);
}

#source-status {
  font-size: 0.8rem;
  color: var(--text);
  margin-left: auto;
}

/* ---- CANVAS ---- */
#canvas-wrapper {
  position: relative;
  background: #000;
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
  animation: border-pulse 3s ease-in-out infinite;
}

@keyframes border-pulse {
  0%, 100% { border-color: var(--border); }
  50% { border-color: rgba(0,255,65,0.25); }
}

#canvas {
  display: block;
  width: 100%;
  height: auto;
  image-rendering: auto;
}

#scanlines {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
  z-index: 2;
}

/* ---- HOLD INDICATOR ---- */
.hold-status {
  text-align: center;
  padding: 6px 12px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 2px;
  border-radius: 4px;
  margin-top: 8px;
}

.hold-status.standby {
  background: rgba(128,128,128,0.1);
  color: #666;
  border: 1px solid #222;
}

.hold-status.active {
  background: rgba(255,0,0,0.1);
  color: var(--red);
  border: 1px solid rgba(255,0,0,0.3);
  animation: hold-blink 1.5s infinite;
}

.hold-status.locked {
  background: rgba(255,100,0,0.15);
  color: #ff6600;
  border: 1px solid rgba(255,100,0,0.4);
  animation: hold-blink 0.8s infinite;
}

@keyframes hold-blink {
  50% { opacity: 0.6; }
}

/* ---- VIDEO CONTROLS ---- */
#video-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 4px 4px;
}

#video-controls.hidden { display: none; }

#btn-playpause {
  font-family: var(--font);
  background: none;
  border: 1px solid var(--border);
  color: var(--green);
  padding: 4px 12px;
  cursor: pointer;
  border-radius: 3px;
  font-size: 0.8rem;
}

#video-scrubber {
  flex: 1;
}

.toggle-label {
  font-size: 0.75rem;
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
}

.toggle-label input { margin-right: 4px; accent-color: var(--green); }

/* ---- ACTION BUTTONS ---- */
#action-buttons {
  display: flex;
  gap: 6px;
  margin-top: 10px;
  flex-wrap: wrap;
}

.action-btn {
  font-family: var(--font);
  background: var(--panel);
  color: var(--text-bright);
  border: 1px solid var(--border);
  padding: 8px 10px;
  font-size: 0.75rem;
  cursor: pointer;
  border-radius: 4px;
  transition: all 0.2s;
  flex: 1;
  min-width: 80px;
  text-align: center;
}

.action-btn:hover {
  border-color: var(--green-dim);
  color: var(--green);
}

.action-btn.hold-btn {
  border-color: rgba(255,100,0,0.3);
  color: #ff6600;
}

.action-btn.hold-btn:hover {
  border-color: #ff6600;
  background: rgba(255,100,0,0.1);
}

.action-btn.recording {
  border-color: #ff3333;
  color: #ff3333;
  animation: rec-blink 1s infinite;
}

@keyframes rec-blink {
  50% { box-shadow: 0 0 10px rgba(255,0,0,0.4); }
}

/* ---- EXPLAINER ---- */
#explainer {
  margin-top: 10px;
  font-size: 0.75rem;
}

#explainer details {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 10px 14px;
}

#explainer summary {
  color: var(--green-dim);
  cursor: pointer;
  font-weight: 700;
  letter-spacing: 0.5px;
}

#explainer summary:hover {
  color: var(--green);
}

#explainer p {
  margin-top: 8px;
  color: var(--text);
  line-height: 1.6;
}

#explainer strong {
  color: var(--green);
}

#explainer em {
  color: var(--cyan);
  font-style: normal;
}

#explainer kbd {
  background: #222;
  border: 1px solid #333;
  padding: 1px 5px;
  border-radius: 3px;
  font-family: var(--font);
  font-size: 0.7rem;
  color: var(--green);
}

/* ---- PANELS ---- */
.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 14px;
}

.panel-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--green);
  margin-bottom: 10px;
}

/* ---- MODE TOGGLES ---- */
#mode-toggles {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mode-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 6px 8px;
  border-radius: 3px;
  transition: background 0.15s;
  flex-wrap: wrap;
}

.mode-label:hover { background: var(--green-bg); }

.mode-label input { accent-color: var(--green); flex-shrink: 0; }

.mode-name {
  font-size: 0.85rem;
  color: var(--text-bright);
  font-weight: 700;
}

.mode-desc {
  font-size: 0.65rem;
  color: #666;
  width: 100%;
  padding-left: 26px;
  margin-top: -2px;
}

/* ---- SLIDERS ---- */
.slider-group {
  margin-bottom: 10px;
}

.slider-group label {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--text);
  margin-bottom: 4px;
}

.slider-group label span {
  color: var(--green);
  font-weight: 700;
}

.neon-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: #1a1a1a;
  border-radius: 3px;
  outline: none;
  cursor: pointer;
}

.neon-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px rgba(0,255,65,0.5);
  cursor: pointer;
}

.neon-slider::-moz-range-thumb {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 6px rgba(0,255,65,0.5);
  border: none;
  cursor: pointer;
}

.neon-slider::-moz-range-progress {
  background: var(--green-dim);
  height: 6px;
  border-radius: 3px;
}

/* ---- PRESETS ---- */
#preset-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.preset-btn {
  font-family: var(--font);
  background: rgba(0,255,65,0.05);
  color: var(--green-dim);
  border: 1px solid rgba(0,255,65,0.15);
  padding: 6px 10px;
  font-size: 0.7rem;
  cursor: pointer;
  border-radius: 3px;
  transition: all 0.2s;
  letter-spacing: 0.5px;
}

.preset-btn:hover {
  background: rgba(0,255,65,0.15);
  color: var(--green);
  border-color: var(--green);
}

.preset-btn.active {
  background: rgba(0,255,65,0.2);
  color: var(--green);
  border-color: var(--green);
}

/* ---- SHORTCUTS ---- */
.shortcut-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.shortcut-list span {
  font-size: 0.75rem;
  color: var(--text);
}

kbd {
  background: #222;
  border: 1px solid #333;
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font);
  font-size: 0.7rem;
  color: var(--green);
  margin-right: 4px;
}

/* ---- TOAST ---- */
#toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  background: var(--panel);
  border: 1px solid var(--green-dim);
  color: var(--green);
  padding: 10px 18px;
  border-radius: 4px;
  font-family: var(--font);
  font-size: 0.8rem;
  box-shadow: 0 0 20px rgba(0,255,65,0.15);
  animation: toast-in 0.3s ease-out, toast-out 0.3s ease-in 2.5s forwards;
}

@keyframes toast-in {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toast-out {
  from { opacity: 1; }
  to { opacity: 0; transform: translateY(-10px); }
}

/* ---- FOOTER ---- */
footer {
  text-align: center;
  padding: 24px 0 12px;
  font-size: 0.75rem;
  color: #444;
  display: flex;
  justify-content: center;
  gap: 20px;
}

footer a {
  color: var(--green-dim);
  text-decoration: none;
}

footer a:hover {
  color: var(--green);
  text-decoration: underline;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 860px) {
  #main-layout {
    flex-direction: column;
  }
  #controls-column {
    width: 100%;
  }
  .glitch-title {
    font-size: 2rem;
    letter-spacing: 3px;
  }
  #action-buttons {
    gap: 4px;
  }
  .action-btn {
    min-width: 60px;
    padding: 6px 6px;
    font-size: 0.7rem;
  }
}