:root {
  --bg: #0a0a0f;
  --bg2: #12121a;
  --bg3: #1a1a28;
  --cyan: #00ffff;
  --magenta: #ff00ff;
  --green: #39ff14;
  --orange: #ff6b35;
  --text: #e0e0e8;
  --text-dim: #7878a0;
  --glass: rgba(18, 18, 30, 0.75);
  --glass-border: rgba(120, 120, 200, 0.15);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 3px; }

/* ---- HEADER ---- */
#header {
  padding: 20px 24px 12px;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid var(--glass-border);
}
.title-wrap { flex: 1; min-width: 200px; }
#main-title {
  font-family: 'Anybody', sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 5vw, 52px);
  letter-spacing: 0.05em;
  line-height: 1;
  position: relative;
  color: #fff;
  text-shadow: 0 0 6px var(--cyan), 3px 0 0 rgba(255,0,255,0.5), -3px 0 0 rgba(0,255,255,0.5);
  animation: glitchTitle 4s infinite;
}
@keyframes glitchTitle {
  0%,92%,100% { text-shadow: 0 0 6px var(--cyan), 3px 0 0 rgba(255,0,255,0.5), -3px 0 0 rgba(0,255,255,0.5); }
  93% { text-shadow: 0 0 6px var(--cyan), -5px 2px 0 rgba(255,0,255,0.8), 5px -2px 0 rgba(0,255,255,0.8); }
  95% { text-shadow: 0 0 6px var(--cyan), 4px -1px 0 rgba(255,0,255,0.6), -4px 1px 0 rgba(0,255,255,0.6); }
  96% { text-shadow: 0 0 6px var(--cyan), 3px 0 0 rgba(255,0,255,0.5), -3px 0 0 rgba(0,255,255,0.5); }
}
.subtitle {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 300; font-size: 12px; color: var(--text-dim);
  margin-top: 6px; letter-spacing: 0.04em;
}
#status-bar { display: flex; align-items: center; gap: 16px; font-size: 11px; flex-wrap: wrap; }
#codec-support .ok, #audio-support .ok { color: var(--green); }
#codec-support .fail, #audio-support .fail { color: #ff3355; }

#pipeline-status { display: flex; gap: 4px; align-items: center; }
#pipeline-status .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-dim); transition: background 0.3s; }
#pipeline-status .dot.active { background: var(--green); animation: pulse-dot 1s infinite; }
#pipeline-status .audio-dot.active { background: var(--magenta); }
@keyframes pulse-dot { 0%,100%{opacity:1;} 50%{opacity:0.3;} }

/* ---- MAIN LAYOUT ---- */
#main-layout {
  display: grid;
  grid-template-columns: 260px 1fr 300px;
  gap: 16px; padding: 16px 24px;
  min-height: calc(100vh - 200px);
}
@media (max-width: 1100px) {
  #main-layout { grid-template-columns: 1fr; gap: 12px; padding: 12px; }
}

/* ---- PANELS ---- */
.panel-title {
  font-family: 'Anybody', sans-serif;
  font-weight: 800; font-size: 13px; letter-spacing: 0.15em;
  color: var(--cyan); margin-bottom: 12px; text-transform: uppercase;
}
aside, #frame-inspector {
  background: var(--glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 12px; padding: 16px;
}

/* ---- SOURCE PANEL ---- */
#source-panel { display: flex; flex-direction: column; gap: 10px; }
#drop-zone {
  position: relative;
  border: 2px dashed var(--text-dim);
  border-radius: 8px; padding: 20px; text-align: center;
  cursor: pointer; transition: all 0.3s;
  animation: dropIdle 3s ease-in-out infinite;
}
#drop-zone:hover, #drop-zone.dragover {
  border-color: var(--cyan); background: rgba(0,255,255,0.04); animation: none;
}
@keyframes dropIdle { 0%,100% { border-color: var(--text-dim); } 50% { border-color: rgba(0,255,255,0.3); } }
.drop-inner { display: flex; flex-direction: column; align-items: center; gap: 6px; color: var(--text-dim); font-size: 13px; pointer-events: none; }
.drop-inner svg { color: var(--cyan); opacity: 0.6; }
.tiny { font-size: 10px; opacity: 0.5; }
#file-input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }

.audio-badge {
  font-size: 10px; text-align: center; padding: 3px 6px;
  border-radius: 4px; color: var(--text-dim);
  border: 1px solid var(--glass-border);
}
.audio-badge.has-audio { color: var(--green); border-color: rgba(57,255,20,0.4); background: rgba(57,255,20,0.06); }
.audio-badge.hidden { display: none; }

#source-preview { width: 100%; border-radius: 6px; background: var(--bg); border: 1px solid var(--glass-border); }
#src-waveform { width: 100%; height: 40px; border-radius: 6px; background: rgba(57,255,20,0.03); border: 1px solid rgba(57,255,20,0.15); }

#frame-counter { font-size: 11px; display: flex; gap: 10px; flex-wrap: wrap; color: var(--text-dim); }
#frame-counter span { color: var(--cyan); }
#frame-counter #fc-audio { color: var(--green); }

/* ---- CENTER STAGE ---- */
#center-stage { display: flex; align-items: center; justify-content: center; }
#canvas-wrap {
  position: relative; width: 100%; max-width: 800px; aspect-ratio: 4/3;
  background: #000; border-radius: 12px; overflow: hidden;
  border: 1px solid var(--glass-border);
  box-shadow: 0 0 40px rgba(0,255,255,0.06), 0 0 80px rgba(255,0,255,0.04);
}
#output-canvas, #wave-overlay { width: 100%; height: 100%; display: block; position: absolute; inset: 0; }
#wave-overlay { pointer-events: none; z-index: 4; }
#wave-overlay.hidden { display: none; }

#crt-overlay {
  position: absolute; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(0deg, rgba(0,0,0,0.12) 0px, transparent 1px, transparent 2px, rgba(0,0,0,0.12) 3px);
  mix-blend-mode: multiply; z-index: 5;
}
#crt-overlay.hidden { display: none; }

#canvas-controls { position: absolute; bottom: 12px; right: 12px; display: flex; gap: 8px; align-items: center; z-index: 10; }
.icon-btn {
  background: rgba(0,0,0,0.6); border: 1px solid var(--glass-border);
  color: var(--text); padding: 6px 12px; border-radius: 6px; cursor: pointer;
  font-family: 'JetBrains Mono', monospace; font-size: 11px;
  transition: all 0.2s; backdrop-filter: blur(6px);
}
.icon-btn:hover { border-color: var(--cyan); color: var(--cyan); }
.icon-btn.active { border-color: var(--green); color: var(--green); }
.record { display: flex; align-items: center; gap: 6px; }
.rec-dot { width: 8px; height: 8px; border-radius: 50%; background: #ff3355; }
.record.active .rec-dot { animation: rec-pulse 1s infinite; }
.record.active { border-color: #ff3355; color: #ff3355; }
@keyframes rec-pulse { 0%,100%{opacity:1;transform:scale(1);} 50%{opacity:0.3;transform:scale(0.7);} }
#rec-timer { font-size: 12px; color: #ff3355; }
#rec-timer.hidden, #rec-audio-indicator.hidden { display: none; }
#rec-audio-indicator { font-size: 12px; color: var(--green); animation: pulse-dot 1s infinite; }

/* ---- CONTROL PANEL ---- */
#control-panel { display: flex; flex-direction: column; gap: 12px; overflow-y: auto; max-height: calc(100vh - 160px); }
.control-section { border-bottom: 1px solid var(--glass-border); padding-bottom: 12px; }
.control-section:last-child { border-bottom: none; }
.control-section h3 {
  font-size: 11px; font-weight: 400; color: var(--magenta);
  letter-spacing: 0.1em; text-transform: uppercase; margin-bottom: 10px;
}
.audio-section {
  background: rgba(57,255,20,0.03);
  border: 1px solid rgba(57,255,20,0.18);
  border-radius: 8px; padding: 12px; margin: 2px 0;
}
.audio-section h3 { color: var(--green); }

.slider-label { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; font-size: 12px; }
.slider-label > span { display: flex; justify-content: space-between; }
.val { color: var(--cyan); font-size: 11px; }

input[type="range"] {
  -webkit-appearance: none; appearance: none; width: 100%; height: 4px;
  background: var(--bg3); border-radius: 2px; outline: none; cursor: pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 14px; height: 14px; border-radius: 50%;
  background: var(--cyan); box-shadow: 0 0 8px var(--cyan); cursor: pointer;
}
input[type="range"]::-moz-range-thumb {
  width: 14px; height: 14px; border-radius: 50%; background: var(--cyan);
  box-shadow: 0 0 8px var(--cyan); cursor: pointer; border: none;
}
.audio-section input[type="range"]::-webkit-slider-thumb { background: var(--green); box-shadow: 0 0 8px var(--green); }
.audio-section input[type="range"]::-moz-range-thumb { background: var(--green); box-shadow: 0 0 8px var(--green); }

.neon-select {
  background: var(--bg3); color: var(--green);
  border: 1px solid rgba(57,255,20,0.4); border-radius: 6px;
  padding: 6px 8px; font-family: 'JetBrains Mono', monospace; font-size: 12px;
  cursor: pointer; outline: none;
}
.neon-select:focus { border-color: var(--green); box-shadow: 0 0 8px rgba(57,255,20,0.3); }

.btn-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 4px; }
.neon-btn {
  background: transparent; border: 1px solid var(--cyan); color: var(--cyan);
  padding: 7px 14px; border-radius: 6px; cursor: pointer;
  font-family: 'JetBrains Mono', monospace; font-size: 12px;
  transition: all 0.2s; display: flex; align-items: center; gap: 6px;
}
.neon-btn:hover { background: rgba(0,255,255,0.1); box-shadow: 0 0 12px rgba(0,255,255,0.2); }
.neon-btn.small { font-size: 11px; padding: 5px 10px; }
.neon-btn.active { background: rgba(0,255,255,0.15); }

.toggle-label { display: flex; align-items: center; gap: 8px; font-size: 12px; cursor: pointer; }
.toggle-label input { display: none; }
.toggle-switch { width: 32px; height: 16px; border-radius: 8px; background: var(--bg3); position: relative; transition: background 0.3s; }
.toggle-switch::after { content: ''; position: absolute; top: 2px; left: 2px; width: 12px; height: 12px; border-radius: 50%; background: var(--text-dim); transition: all 0.3s; }
.toggle-label input:checked + .toggle-switch { background: rgba(0,255,255,0.3); }
.toggle-label input:checked + .toggle-switch::after { left: 18px; background: var(--cyan); }
.audio-section .toggle-label input:checked + .toggle-switch { background: rgba(57,255,20,0.3); }
.audio-section .toggle-label input:checked + .toggle-switch::after { background: var(--green); }
#mic-toggle-wrap input:checked + .toggle-switch { background: rgba(255,0,255,0.3); }
#mic-toggle-wrap input:checked + .toggle-switch::after { background: var(--magenta); }

.preset-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.preset-btn {
  background: var(--bg3); border: 1px solid var(--glass-border); color: var(--text);
  padding: 8px 6px; border-radius: 6px; cursor: pointer;
  font-family: 'JetBrains Mono', monospace; font-size: 10px; text-align: center; transition: all 0.2s;
}
.preset-btn.wide { grid-column: 1 / -1; }
.preset-btn:hover { border-color: var(--magenta); color: var(--magenta); }
.preset-btn.active { border-color: var(--green); color: var(--green); background: rgba(57,255,20,0.06); }

/* ---- FRAME INSPECTOR ---- */
#frame-inspector { margin: 0 24px; padding: 10px 16px; }
#frame-inspector.collapsed #filmstrip,
#frame-inspector.collapsed #audio-timeline,
#frame-inspector.collapsed #frame-detail { display: none; }
.clickable { cursor: pointer; border: none; background: none; color: var(--cyan); font-family: 'Anybody', sans-serif; font-weight: 800; font-size: 13px; letter-spacing: 0.15em; text-transform: uppercase; }
.clickable:hover { color: #fff; }
#filmstrip { display: flex; gap: 4px; overflow-x: auto; padding: 8px 0; scroll-behavior: smooth; }
#filmstrip::-webkit-scrollbar { height: 4px; }
#filmstrip::-webkit-scrollbar-thumb { background: var(--bg3); border-radius: 2px; }
.film-thumb {
  flex-shrink: 0; width: 48px; height: 36px; border-radius: 3px;
  border: 2px solid transparent; cursor: pointer; position: relative; overflow: hidden; background: #000;
}
.film-thumb canvas { width: 100%; height: 100%; }
.film-thumb.i-frame { border-color: #4488ff; }
.film-thumb.p-frame { border-color: var(--orange); }
.film-thumb.dropped { opacity: 0.3; }
.film-thumb.duplicated::after { content: '×'; position: absolute; bottom: 0; right: 2px; font-size: 9px; color: var(--green); }

#audio-timeline { width: 100%; height: 18px; border-radius: 4px; margin: 4px 0; background: rgba(57,255,20,0.05); }

#frame-detail { font-size: 11px; color: var(--text-dim); padding: 6px 0; }
#frame-detail.hidden { display: none; }

/* ---- FOOTER ---- */
footer {
  text-align: center; padding: 16px; font-size: 11px; color: var(--text-dim);
  border-top: 1px solid var(--glass-border); margin-top: 12px;
  display: flex; justify-content: center; gap: 16px; flex-wrap: wrap;
}
footer a { color: var(--cyan); text-decoration: none; }
footer a:hover { text-decoration: underline; }

/* ---- MODAL ---- */
#info-modal.hidden { display: none; }
#info-modal { position: fixed; inset: 0; z-index: 100; display: flex; align-items: center; justify-content: center; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.8); }
.modal-content {
  position: relative; background: var(--bg2); border: 1px solid var(--glass-border);
  border-radius: 12px; padding: 28px; max-width: 560px; width: 90%;
  max-height: 80vh; overflow-y: auto; z-index: 1;
}
.modal-content h2 { font-family: 'Anybody', sans-serif; font-weight: 800; margin-bottom: 16px; color: var(--cyan); }
.modal-body { font-size: 13px; line-height: 1.7; }
.modal-body p { margin-bottom: 12px; }
#modal-close { position: absolute; top: 12px; right: 12px; font-size: 20px; }
.frame-explain { display: flex; gap: 12px; margin: 16px 0; flex-wrap: wrap; }
.frame-box { flex: 1; min-width: 180px; padding: 12px; border-radius: 8px; font-size: 12px; line-height: 1.5; }
.frame-box.iframe { background: rgba(68,136,255,0.12); border: 1px solid rgba(68,136,255,0.3); }
.frame-box.pframe { background: rgba(255,107,53,0.12); border: 1px solid rgba(255,107,53,0.3); }

.mono { font-family: 'JetBrains Mono', monospace; }

@media (max-width: 1100px) {
  #header { padding: 14px 12px 10px; }
  #frame-inspector { margin: 0 12px; }
  footer { margin: 0 12px; }
  #control-panel { max-height: none; }
}