@import url('https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap');

:root {
  --g:      #00ff41;
  --gd:     #00882a;
  --gx:     rgba(0,255,65,0.12);
  --bg:     #020902;
  --bg2:    #050f05;
  --am:     #ffb000;
  --cy:     #00ffff;
  --rd:     #ff3300;
  --muted:  #336633;
  --border: #0d2a0d;
}

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

body {
  background: var(--bg);
  color: var(--g);
  font-family: 'Press Start 2P', monospace;
  font-size: 10px;
  min-height: 100vh;
  overflow-x: hidden;
  animation: flicker 8s infinite;
}

/* CRT scanlines */
body::before {
  content: '';
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    0deg, transparent, transparent 2px,
    rgba(0,0,0,0.13) 2px, rgba(0,0,0,0.13) 4px
  );
  pointer-events: none; z-index: 9999;
}

/* Grid overlay */
body::after {
  content: '';
  position: fixed; inset: 0;
  background-image:
    linear-gradient(rgba(0,255,65,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,255,65,0.025) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none; z-index: 0;
}

@keyframes flicker {
  0%,89%,91%,100% { opacity:1; }
  90%             { opacity:0.96; }
}

.container {
  position: relative; z-index: 2;
  max-width: 860px; margin: 0 auto;
  padding: 48px 20px 100px;
}

/* ---- HEADER ---- */
header {
  text-align: center; margin-bottom: 42px;
  padding-bottom: 24px; border-bottom: 1px solid var(--gd);
}

.logo {
  font-size: clamp(16px, 3.5vw, 26px);
  letter-spacing: 4px; color: var(--g);
  text-shadow: 0 0 16px var(--g), 0 0 40px rgba(0,255,65,0.4);
  line-height: 1.5;
  animation: pulse-logo 3s ease-in-out infinite;
}

@keyframes pulse-logo {
  0%,100% { text-shadow: 0 0 16px var(--g), 0 0 40px rgba(0,255,65,0.35); }
  50%     { text-shadow: 0 0 28px var(--g), 0 0 60px rgba(0,255,65,0.6); }
}

.tagline { margin-top:12px; color:var(--muted); font-size:7px; letter-spacing:4px; text-transform:uppercase; }

/* ---- API KEY BAR ---- */
.api-key-bar { display:flex; justify-content:center; align-items:center; gap:14px; margin-top:14px; flex-wrap:wrap; }
.btn-key {
  padding:7px 14px; background:transparent; border:1px solid var(--gd); border-radius:2px;
  color:var(--muted); font-family:'Press Start 2P',monospace; font-size:7px;
  letter-spacing:1px; cursor:pointer; transition:all 0.15s; text-transform:uppercase;
}
.btn-key:hover { border-color:var(--g); color:var(--g); box-shadow:0 0 8px rgba(0,255,65,0.25); }

/* ---- CARDS ---- */
.card {
  background:var(--bg2); border:1px solid var(--gd); border-radius:3px;
  padding:28px 30px; position:relative; overflow:hidden; margin-bottom:16px;
}
.card::before {
  content:''; position:absolute; inset:0;
  background:radial-gradient(ellipse at top left,rgba(0,255,65,0.025),transparent 70%);
  pointer-events:none;
}
.card-primary { border-top:2px solid var(--g); }
.card-import  { border-top:2px solid var(--am); }

/* ---- SECTION TITLES ---- */
.section-title {
  font-size:10px; letter-spacing:2px; margin-bottom:20px;
  display:flex; align-items:center; gap:10px; text-transform:uppercase;
}
.card-primary .section-title { color:var(--g); text-shadow:0 0 8px var(--g); }
.card-import  .section-title { color:var(--am); text-shadow:0 0 8px var(--am); }

.badge { font-size:6px; letter-spacing:1px; padding:3px 7px; border-radius:2px; }
.badge-new { background:rgba(255,176,0,0.12); color:var(--am); border:1px solid var(--am); }

/* ---- LABELS & INPUTS ---- */
label { display:block; font-size:7px; letter-spacing:2px; text-transform:uppercase; margin-bottom:10px; }
.card-primary label { color:var(--gd); }
.card-import  label { color:#886000; }

textarea {
  width:100%; background:#001500; border:1px solid var(--gd); border-radius:2px;
  color:var(--g); font-family:'Press Start 2P',monospace; font-size:8px; line-height:2;
  padding:14px 16px; resize:vertical; outline:none; transition:border-color 0.2s, box-shadow 0.2s;
}
textarea::placeholder { color:var(--muted); font-size:7px; }
.card-primary textarea:focus { border-color:var(--g); box-shadow:0 0 0 1px rgba(0,255,65,0.2),0 0 12px rgba(0,255,65,0.08); }
.card-import  textarea:focus { border-color:var(--am); box-shadow:0 0 0 1px rgba(255,176,0,0.2); }
#prompt     { height:120px; }
#json-input { height:100px; font-size:7px; }

/* ---- PARAMS ---- */
.params { display:grid; grid-template-columns:1fr 1fr 1fr; gap:16px; margin-top:18px; }
.param-group label { margin-bottom:7px; }

select {
  width:100%; background:#001500; border:1px solid var(--gd); border-radius:2px;
  color:var(--g); font-family:'Press Start 2P',monospace; font-size:7px;
  padding:9px 28px 9px 10px; outline:none; cursor:pointer; appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='5'%3E%3Cpath d='M0 0l4 5 4-5z' fill='%2300ff41'/%3E%3C/svg%3E");
  background-repeat:no-repeat; background-position:right 10px center; transition:border-color 0.2s;
}
select:focus { border-color:var(--g); box-shadow:0 0 8px rgba(0,255,65,0.2); }
select option { background:#001500; }

.range-wrap { display:flex; align-items:center; gap:10px; }
input[type="range"] {
  width:100%; -webkit-appearance:none; height:3px;
  background:var(--border); border-radius:2px; cursor:pointer;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance:none; width:12px; height:12px;
  border-radius:50%; background:var(--g); box-shadow:0 0 6px var(--g); cursor:pointer;
}
.range-val { font-size:9px; color:var(--g); min-width:28px; text-align:right; text-shadow:0 0 6px var(--g); }

/* ---- IMPORT TABS ---- */
.import-tabs {
  display:flex; margin-bottom:14px;
  border:1px solid var(--gd); border-radius:2px; overflow:hidden;
}
.tab-btn {
  flex:1; padding:9px; background:transparent; border:none;
  border-right:1px solid var(--gd); color:var(--muted);
  font-family:'Press Start 2P',monospace; font-size:7px; letter-spacing:1px;
  text-transform:uppercase; cursor:pointer; transition:all 0.15s;
}
.tab-btn:last-child { border-right:none; }
.tab-btn.active { background:rgba(255,176,0,0.08); color:var(--am); }
.tab-btn:hover:not(.active) { background:var(--gx); color:var(--g); }

.tab-pane { display:none; }
.tab-pane.active { display:block; }

/* ---- UPLOAD ZONE ---- */
.upload-zone {
  border:2px dashed var(--gd); border-radius:2px; padding:26px;
  text-align:center; cursor:pointer; transition:all 0.2s; position:relative;
}
.upload-zone:hover, .upload-zone.drag-over {
  border-color:var(--am); background:rgba(255,176,0,0.04);
  box-shadow:0 0 14px rgba(255,176,0,0.15);
}
.upload-zone input[type="file"] { position:absolute; inset:0; opacity:0; cursor:pointer; width:100%; height:100%; }
.upload-icon  { font-size:20px; margin-bottom:8px; }
.upload-text  { font-size:7px; color:var(--muted); letter-spacing:2px; line-height:2; }
.upload-loaded{ color:var(--am); font-size:7px; margin-top:8px; letter-spacing:1px; }

.json-status { margin-top:8px; font-size:7px; letter-spacing:1px; min-height:14px; line-height:2; }
.json-status.ok  { color:var(--g); text-shadow:0 0 5px var(--g); }
.json-status.err { color:var(--rd); }

/* ---- BUTTONS ---- */
.btn-row { display:flex; gap:10px; margin-top:20px; }
.btn-main {
  flex:1; padding:13px 10px; background:transparent; border:1px solid;
  border-radius:2px; font-family:'Press Start 2P',monospace; font-size:10px;
  letter-spacing:2px; cursor:pointer; text-transform:uppercase;
  position:relative; overflow:hidden; transition:all 0.2s;
}
.btn-main::before {
  content:''; position:absolute; inset:0;
  transform:translateX(-101%);
  transition:transform 0.35s cubic-bezier(0.4,0,0.2,1); z-index:-1;
}
.btn-main:hover::before { transform:translateX(0); }
.btn-main:active        { transform:scale(0.98); }
.btn-main:disabled      { opacity:0.3; cursor:not-allowed; pointer-events:none; }

.btn-primary { border-color:var(--g); color:var(--g); }
.btn-primary::before { background:var(--g); }
.btn-primary:hover  { color:var(--bg); box-shadow:0 0 18px rgba(0,255,65,0.4); }

.btn-import { border-color:var(--am); color:var(--am); }
.btn-import::before { background:var(--am); }
.btn-import:hover  { color:var(--bg); box-shadow:0 0 18px rgba(255,176,0,0.4); }

/* ---- STATUS BAR ---- */
.status-bar {
  margin-top:14px; font-size:7px; letter-spacing:2px; text-align:center;
  min-height:16px; text-transform:uppercase; color:var(--muted); line-height:2;
}
.status-bar.active { color:var(--g); animation:blink 1s step-end infinite; text-shadow:0 0 6px var(--g); }
.status-bar.error  { color:var(--rd); animation:none; }
.status-bar.done   { color:var(--am); animation:none; text-shadow:0 0 6px var(--am); }
@keyframes blink { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ---- RESULT SECTION ---- */
.result-section { margin-top:18px; display:none; }
.result-header { display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.result-label { font-size:7px; letter-spacing:3px; text-transform:uppercase; color:var(--muted); }

.btn-dl {
  display:inline-flex; align-items:center; gap:7px;
  padding:8px 14px; border:1px solid; border-radius:2px; background:transparent;
  font-family:'Press Start 2P',monospace; font-size:7px; letter-spacing:1px;
  text-transform:uppercase; cursor:pointer; text-decoration:none;
  transition:box-shadow 0.2s, transform 0.1s;
}
.btn-dl:hover { transform:translateY(-1px); }
.btn-dl-primary { border-color:var(--g); color:var(--g); }
.btn-dl-primary:hover { box-shadow:0 0 14px rgba(0,255,65,0.35); background:var(--gx); }
.btn-dl-import  { border-color:var(--am); color:var(--am); }
.btn-dl-import:hover  { box-shadow:0 0 14px rgba(255,176,0,0.35); background:rgba(255,176,0,0.08); }

canvas.piano-roll {
  width:100%; height:90px; display:block;
  border:1px solid var(--gd); border-radius:2px;
  background:#000; margin-bottom:10px; image-rendering:pixelated;
}

/* ======================================================
   MIDI PLAYER
   ====================================================== */
.player-bar {
  display:flex; align-items:center; gap:10px;
  background:#001500; border:1px solid var(--gd);
  border-radius:2px; padding:10px 14px; margin-bottom:10px;
}

.btn-play {
  background:transparent; border:1px solid var(--g); color:var(--g);
  font-family:'Press Start 2P',monospace; font-size:8px;
  padding:7px 10px; cursor:pointer; border-radius:2px;
  transition:all 0.15s; min-width:38px; text-align:center;
  flex-shrink:0; line-height:1;
}
.btn-play:hover { background:var(--gx); box-shadow:0 0 8px rgba(0,255,65,0.3); }
.btn-play.playing { border-color:var(--am); color:var(--am); }
.btn-play.playing:hover { background:rgba(255,176,0,0.08); box-shadow:0 0 8px rgba(255,176,0,0.3); }

.btn-stop-play {
  background:transparent; border:1px solid var(--rd); color:var(--rd);
  font-family:'Press Start 2P',monospace; font-size:8px;
  padding:7px 10px; cursor:pointer; border-radius:2px;
  transition:all 0.15s; flex-shrink:0; line-height:1;
}
.btn-stop-play:hover { background:rgba(255,51,0,0.08); box-shadow:0 0 8px rgba(255,51,0,0.25); }

.player-seek-wrap {
  flex:1; position:relative; height:8px; background:#000a00;
  border:1px solid var(--gd); border-radius:2px;
  cursor:pointer; overflow:hidden;
}
.player-seek-wrap:hover { border-color:var(--g); }
.player-seek-fill {
  position:absolute; left:0; top:0; height:100%;
  background:var(--g); width:0%;
  box-shadow:0 0 5px rgba(0,255,65,0.5); pointer-events:none;
}

.player-time {
  font-size:7px; color:var(--g);
  min-width:38px; text-align:right; flex-shrink:0;
  text-shadow:0 0 5px var(--g);
}

.player-vol { display:flex; align-items:center; gap:6px; flex-shrink:0; }
.player-vol-icon { font-size:9px; }
.player-vol input[type="range"] { width:50px; }

/* ---- MIDI VIZ ---- */
.midi-viz {
  background:#001000; border:1px solid var(--gd); border-radius:2px;
  padding:12px 16px; font-size:7px; line-height:2;
  color:var(--muted); max-height:120px; overflow-y:auto;
}
.midi-line { display:flex; gap:12px; margin-bottom:2px; }
.midi-note { color:var(--g); min-width:36px; text-shadow:0 0 4px var(--g); }

/* ---- EXAMPLES ---- */
.examples { margin-top:24px; padding-top:22px; border-top:1px solid var(--border); }
.examples-title { font-size:7px; letter-spacing:3px; text-transform:uppercase; color:var(--muted); margin-bottom:12px; }
.chips { display:flex; flex-wrap:wrap; gap:7px; }
.chip {
  padding:7px 12px; background:transparent; border:1px solid var(--border);
  border-radius:2px; color:var(--muted); font-family:'Press Start 2P',monospace;
  font-size:7px; cursor:pointer; transition:all 0.15s; line-height:1.6;
}
.chip:hover { border-color:var(--g); color:var(--g); background:var(--gx); box-shadow:0 0 8px rgba(0,255,65,0.15); }

/* ---- SCROLLBAR ---- */
::-webkit-scrollbar { width:4px; height:4px; }
::-webkit-scrollbar-track { background:#001000; }
::-webkit-scrollbar-thumb { background:var(--gd); border-radius:2px; }
::-webkit-scrollbar-thumb:hover { background:var(--g); }

/* ---- RESPONSIVE ---- */
@media(max-width:600px) {
  .params { grid-template-columns:1fr 1fr; }
  .card { padding:18px 16px; }
  .logo { font-size:14px; letter-spacing:2px; }
  .player-vol { display:none; }
}

/* ======================================================
   PAINEL DE PARÂMETROS DA IA
   ====================================================== */
#ai-params-panel {
  margin-top: 16px;
  background: #000d00;
  border: 1px solid var(--gd);
  border-left: 3px solid var(--cy);
  border-radius: 2px;
  padding: 14px 18px;
  animation: fadeInDown 0.3s ease;
}

@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

.ai-params-title {
  font-size: 7px;
  letter-spacing: 3px;
  color: var(--cy);
  text-transform: uppercase;
  text-shadow: 0 0 8px var(--cy);
  margin-bottom: 12px;
}

.ai-params-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

@media(max-width: 600px) {
  .ai-params-grid { grid-template-columns: repeat(2, 1fr); }
}

.ai-param-item {
  background: #001a00;
  border: 1px solid var(--border);
  border-radius: 2px;
  padding: 8px 10px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ai-param-label {
  font-size: 6px;
  letter-spacing: 2px;
  color: var(--muted);
  text-transform: uppercase;
}

.ai-param-value {
  font-size: 7px;
  color: var(--cy);
  text-shadow: 0 0 5px rgba(0,255,255,0.4);
  word-break: break-all;
  line-height: 1.6;
}

.ai-reasoning {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 6px;
  color: var(--muted);
  letter-spacing: 1px;
  line-height: 2;
  font-style: italic;
}