*{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0c0e1a;--bg2:#141729;--panel:#1a1d35;--border:#2a2d4a;
  --text:#c8cad0;--accent:#21c55d;--accent2:#06b6d4;--accent3:#e879f9;
  --tms-cyan:#5dc8d6;--tms-green:#3eb849;--tms-red:#d44;--tms-magenta:#cc66cc;
  --tms-yellow:#ccc44d;--retro-shadow:2px 2px 0 #000;
}
html,body{background:var(--bg);color:var(--text);font-family:'JetBrains Mono',monospace;overflow-x:hidden;min-height:100vh}
#app{max-width:900px;margin:0 auto;padding:12px}

/* Header */
header{text-align:center;padding:20px 0 10px}
.title{
  font-family:'Press Start 2P',monospace;font-size:clamp(14px,3.5vw,24px);
  color:var(--tms-cyan);text-shadow:0 0 20px rgba(93,200,214,.5),var(--retro-shadow);
  letter-spacing:1px;
  animation:glow 3s ease-in-out infinite alternate;
}
@keyframes glow{0%{text-shadow:0 0 10px rgba(93,200,214,.3),var(--retro-shadow)}100%{text-shadow:0 0 30px rgba(93,200,214,.7),0 0 60px rgba(93,200,214,.3),var(--retro-shadow)}}
.subtitle{font-size:clamp(7px,1.5vw,11px);color:#888;margin-top:6px;letter-spacing:.5px}
.chip-icons{display:flex;justify-content:center;gap:10px;margin-top:10px}
.chip{
  font-family:'Press Start 2P',monospace;font-size:8px;padding:4px 8px;
  border:1px solid var(--border);border-radius:3px;background:var(--panel);
  color:var(--accent);text-shadow:0 0 8px rgba(33,197,93,.4);
}
.chip[data-chip="tms"]{color:var(--accent2);text-shadow:0 0 8px rgba(6,182,212,.4)}
.chip[data-chip="sn"]{color:var(--accent3);text-shadow:0 0 8px rgba(232,121,249,.4)}

/* ROM Upload */
.rom-zone{margin:16px auto;max-width:600px}
.cartridge-slot{
  border:2px dashed var(--border);border-radius:8px;padding:24px;text-align:center;
  background:var(--bg2);transition:all .3s;cursor:pointer;position:relative;overflow:hidden;
}
.cartridge-slot:hover,.cartridge-slot.dragover{border-color:var(--accent);background:rgba(33,197,93,.05)}
.slot-opening{
  width:60%;height:4px;background:linear-gradient(90deg,transparent,var(--border),var(--accent2),var(--border),transparent);
  margin:0 auto 12px;border-radius:2px;
}
.slot-label{font-family:'Press Start 2P',monospace;font-size:clamp(10px,2vw,14px);color:var(--tms-cyan);margin-bottom:6px}
.slot-sub{font-size:11px;color:#999;margin-bottom:4px}
.slot-hint{font-size:9px;color:#666;margin-bottom:12px}
.retro-btn{
  font-family:'Press Start 2P',monospace;font-size:10px;padding:8px 16px;
  background:linear-gradient(180deg,#3a3d5c,#2a2d4a);color:var(--text);
  border:2px solid #4a4d6a;border-bottom:3px solid #1a1d35;border-right:3px solid #1a1d35;
  border-radius:4px;cursor:pointer;transition:all .1s;user-select:none;
}
.retro-btn:hover{background:linear-gradient(180deg,#4a4d6c,#3a3d5c)}
.retro-btn:active{
  border-bottom-width:1px;border-right-width:1px;transform:translate(2px,2px);
  background:linear-gradient(180deg,#2a2d4a,#1a1d35);
}
.retro-btn.toggle.active{color:var(--accent);border-color:var(--accent)}
.rom-info{margin-top:12px;font-size:11px;text-align:center}
.rom-info.hidden{display:none}
.rom-loaded{color:var(--accent);font-weight:700;margin-right:8px}
#rom-filename{color:var(--tms-cyan)}
#rom-size{color:#888;margin-left:8px}
.hex-preview{
  font-size:10px;color:var(--accent2);margin-top:6px;padding:4px 8px;
  background:var(--bg);border-radius:3px;display:inline-block;letter-spacing:1px;
}

/* CRT Bezel / Screen */
.crt-bezel{
  margin:16px auto;max-width:fit-content;padding:18px 22px 10px;
  background:linear-gradient(145deg,#2c2c3a,#1e1e2a,#2c2c3a);
  border-radius:18px;border:2px solid #3a3a4a;
  box-shadow:0 4px 30px rgba(0,0,0,.5),inset 0 1px 0 rgba(255,255,255,.05);
}
.crt-glass{
  position:relative;border-radius:10px;overflow:hidden;
  box-shadow:inset 0 0 40px rgba(0,0,0,.4),0 0 15px rgba(93,200,214,.1);
}
#canvas{
  display:block;width:clamp(256px,80vw,768px);height:auto;aspect-ratio:256/192;
  image-rendering:pixelated;image-rendering:crisp-edges;
  background:#1a6050;border-radius:8px;
}
.scanline-overlay{
  position:absolute;top:0;left:0;width:100%;height:100%;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.15) 2px,rgba(0,0,0,.15) 4px);
  border-radius:8px;mix-blend-mode:multiply;
}
.scanline-overlay.off{display:none}
.bezel-label{
  text-align:center;font-family:'Press Start 2P',monospace;font-size:8px;
  color:#555;margin-top:8px;letter-spacing:2px;
}

/* Controls */
.control-panel{max-width:768px;margin:12px auto;text-align:center}
.transport-row{display:flex;justify-content:center;gap:8px;margin-bottom:10px}
.transport{font-size:16px;padding:10px 18px;min-width:48px}
.settings-row{display:flex;justify-content:center;flex-wrap:wrap;gap:10px;margin-bottom:10px;align-items:center}
.setting{display:flex;flex-direction:column;align-items:center;gap:4px}
.setting label{font-size:8px;color:#888;font-family:'Press Start 2P',monospace}
.setting select,.setting input[type=range]{
  background:var(--panel);color:var(--text);border:1px solid var(--border);
  border-radius:3px;padding:2px 4px;font-family:'JetBrains Mono',monospace;font-size:11px;
}
input[type=range]{width:80px;accent-color:var(--accent)}

/* Panels */
.panel{
  position:fixed;bottom:0;left:0;right:0;max-height:60vh;overflow-y:auto;
  background:var(--panel);border-top:2px solid var(--accent);z-index:100;
  padding:12px;animation:slideUp .3s ease-out;
}
.panel.hidden{display:none}
@keyframes slideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.panel-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.panel-header h3{font-family:'Press Start 2P',monospace;font-size:12px;color:var(--tms-cyan)}
.close-btn{background:none;border:1px solid var(--border);color:var(--text);cursor:pointer;padding:4px 8px;border-radius:3px;font-size:14px}
.close-btn:hover{border-color:var(--tms-red);color:var(--tms-red)}

/* Debug */
.debug-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.debug-section{background:var(--bg);border:1px solid var(--border);border-radius:4px;padding:8px}
.debug-section h4{font-family:'Press Start 2P',monospace;font-size:8px;color:var(--accent);margin-bottom:6px}
.debug-section.full-width{grid-column:1/-1}
.mono-display{font-size:11px;color:#4ade80;line-height:1.6;white-space:pre;font-family:'JetBrains Mono',monospace}
.mono-display.scroll{max-height:120px;overflow-y:auto}
.debug-footer{display:flex;gap:20px;margin-top:8px;font-size:10px;color:#888}

/* Info panel */
.info-content{font-size:12px;line-height:1.7;max-width:700px}
.info-content p{margin-bottom:10px}
.info-content a{color:var(--accent2);text-decoration:underline}
.chip-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px;margin:12px 0}
.chip-card{background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:10px}
.chip-card h4{font-family:'Press Start 2P',monospace;font-size:9px;color:var(--accent2);margin-bottom:6px}
.chip-card p{font-size:10px;color:#aaa;margin:2px 0}

/* Input panel */
.input-content{display:flex;flex-wrap:wrap;gap:20px;justify-content:center}
.controller-visual{display:flex;flex-direction:column;align-items:center;gap:14px}
.dpad-area{display:flex;flex-direction:column;align-items:center;gap:2px}
.dpad-mid{display:flex;gap:2px;align-items:center}
.dpad-btn{
  width:40px;height:40px;font-size:14px;display:flex;align-items:center;justify-content:center;
  background:var(--bg);border:2px solid var(--border);border-radius:4px;color:var(--text);cursor:pointer;
}
.dpad-btn:active,.dpad-btn.pressed{background:var(--accent);color:#000}
.dpad-center{width:40px;height:40px;background:var(--border);border-radius:50%}
.fire-btns{display:flex;gap:8px}
.fire-btn{
  padding:10px 20px;font-family:'Press Start 2P',monospace;font-size:8px;
  background:var(--tms-red);color:#fff;border:2px solid #b33;border-radius:50%;
  cursor:pointer;width:60px;height:60px;display:flex;align-items:center;justify-content:center;
}
.fire-btn:active,.fire-btn.pressed{background:#f66;transform:scale(.95)}
.keypad-area{display:grid;grid-template-columns:repeat(3,48px);gap:4px}
.kp-btn{
  width:48px;height:40px;font-family:'Press Start 2P',monospace;font-size:10px;
  background:var(--panel);border:2px solid var(--border);border-radius:4px;
  color:var(--text);cursor:pointer;
}
.kp-btn:active,.kp-btn.pressed{background:var(--accent2);color:#000}
.key-legend table{font-size:11px;border-collapse:collapse;margin-top:8px}
.key-legend h4{font-family:'Press Start 2P',monospace;font-size:9px;color:var(--accent);margin-bottom:6px}
.key-legend td{padding:3px 10px;border-bottom:1px solid var(--border)}
.key-legend tr td:first-child{color:var(--tms-yellow)}

footer{text-align:center;padding:20px;font-size:10px;color:#555;border-top:1px solid var(--border);margin-top:20px}
footer a{color:var(--accent2);text-decoration:none}
footer a:hover{text-decoration:underline}

@media(max-width:600px){
  .debug-grid{grid-template-columns:1fr}
  .settings-row{gap:6px}
  .retro-btn{font-size:8px;padding:6px 10px}
  .transport{font-size:14px;padding:8px 14px}
}