/* ====== Dark Neon Mochi Restyle (for existing classes) ======
   Palette & feel based on the screenshot the user provided.
   - Deep purple backgrounds
   - Neon cyan & soft purple accents
   - Rounded cards, subtle glass, gentle glow on hover
   - Keeps your original class names so it drops in as a replacement
*/

:root {
  /* Core */
  --bg-0: #0e0b17;
  --bg-1: #141024;
  --bg-2: #1a1530;
  --bg-3: #221b42;

  --text-1: #eceaf7;
  --text-2: #bdb8d8;
  --muted: #8a86a6;

  /* Accents */
  --accent: #6c5ce7;    /* purple */
  --accent-2: #6c5ce7;  /* cyan */
  --warm: #ffb86b;      /* warm highlight */
  --ok: #2ad69d;

  /* Effects */
  --radius: 12px;
  --radius-lg: 16px;
  --shadow-1: 0 6px 18px rgba(0,0,0,.35);
  --shadow-2: 0 10px 28px rgba(0,0,0,.55);
}

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

/* Body */
body{
  min-height:100vh;
  background:
    radial-gradient(1200px 800px at 70% -10%, rgba(108,92,231,.18), transparent 60%),
    radial-gradient(900px 600px at -10% 40%, rgba(0,209,255,.12), transparent 60%),
    var(--bg-0);
  color:var(--text-1);
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol";
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

/* Layout */
.container{max-width:1400px;margin:0 auto;padding:20px;}

/* Header (warn bar) */
.header{
  display:flex;align-items:center;gap:12px;
  padding:14px 16px;margin-bottom:24px;
  border-radius:12px;
  background: linear-gradient(180deg, rgba(34,27,66,.65), rgba(26,21,48,.85));
  border:1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow-1);
}
.warning-icon{color:var(--warm);font-size:22px;margin-right:4px;}
.header-text{flex:1;}
.header h1{color:var(--accent-2);font-size:20px;margin-bottom:4px;}
.header p{color:var(--text-2);font-size:14px;}

/* Two-column main grid */
.main-content{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
  margin-bottom:24px;
}
@media (max-width: 900px){
  .main-content{grid-template-columns:1fr;}
}

/* Panels / cards */
.panel{
  background: linear-gradient(180deg, rgba(34,27,66,.65), rgba(26,21,48,.88));
  border-radius:16px;
  padding:20px;
  border:1px solid rgba(255,255,255,.08);
  box-shadow: var(--shadow-1);
  position:relative;overflow:hidden;
}
.panel::before{
  content:"";position:absolute;inset:0 0 auto 0;height:3px;
  background:linear-gradient(90deg, var(--accent), var(--accent-2));
  opacity:.45;
}
.panel h2{color:var(--accent-2);margin-bottom:14px;font-size:18px;font-weight:700;}

/* Upload dropzone */
.upload-area{
  border:2px dashed rgba(0,209,255,.45);
  border-radius:12px;
  padding:40px;
  text-align:center;
  margin-bottom:20px;
  transition: all .2s ease;
  cursor:pointer;
  background: rgba(255,255,255,.03);
}
.upload-area:hover{
  border-color: var(--accent-2);
  background: rgba(0,209,255,.08);
  box-shadow: 0 6px 20px rgba(0,209,255,.18);
}
.upload-area.dragover{
  border-color: var(--accent-2);
  background: rgba(0,209,255,.12);
}
.upload-icon{font-size:46px;color:var(--accent-2);margin-bottom:12px;}

/* Controls */
.control-group{margin-bottom:18px;}
.control-group label{display:block;color:var(--accent-2);margin-bottom:8px;font-weight:600;}
.control-row{display:flex;gap:14px;align-items:center;}

/* Range input */
input[type="range"]{
  flex:1;height:6px;border-radius:3px;background:#3a3556;outline:none;-webkit-appearance:none;
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;
  background: var(--accent-2); box-shadow: 0 0 0 3px rgba(0,209,255,.15); cursor:pointer;
}
input[type="range"]::-moz-range-thumb{
  width:18px;height:18px;border-radius:50%;background:var(--accent-2);border:none;cursor:pointer;
}

/* Inputs / selects */
input[type="number"], select{
  background: rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.1);
  color:var(--text-1);
  padding:10px 12px;border-radius:10px;width:90px;outline:none;
  transition: box-shadow .15s ease, border-color .15s ease;
}
select{width:170px;}
input[type="number"]:focus, select:focus{
  border-color: rgba(0,209,255,.45);
  box-shadow: 0 0 0 4px rgba(0,209,255,.12);
}
select {
  background-color: #1a1530; /* nền khi chưa bấm */
  color: #eceaf7; /* chữ */
}

select option {
  background-color: #1a1530; /* nền trong danh sách */
  color: #eceaf7;
}

select option:disabled {
  color: #6b6686; /* màu chữ mờ cho option bị disable */
}
select:focus {
  outline: none;
  border-color: rgba(0, 209, 255, 0.45);
  box-shadow: 0 0 0 4px rgba(0, 209, 255, 0.12);
}
/* Buttons */
button{
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color:#fff;border:none;padding:12px 18px;border-radius:14px;
  cursor:pointer;font-size:14px;font-weight:600;transition: transform .15s ease, box-shadow .15s ease;
  margin-right:10px;margin-bottom:10px;
}
button:hover{transform:translateY(-1px);box-shadow:0 10px 26px rgba(0,209,255,.25), 0 0 0 4px rgba(0,209,255,.12);}
button:disabled{background:#4b456b;opacity:.7;cursor:not-allowed;transform:none;box-shadow:none;}

/* Preview */
.preview-area{
  background: rgba(255,255,255,.04);
  border-radius:14px;padding:20px;text-align:center;min-height:300px;
  display:flex;align-items:center;justify-content:center;flex-direction:column;
  border:1px solid rgba(255,255,255,.08);
}
.preview-canvas{
  border:1px solid rgba(255,255,255,.1);margin:10px 0;
  image-rendering: pixelated;image-rendering: -moz-crisp-edges;image-rendering: crisp-edges;
}

/* Export panel highlight */
.export-panel{
  grid-column:1 / -1;
  background: linear-gradient(180deg, rgba(20, 26, 56, .7), rgba(20, 26, 56, .85));
  border:1px solid rgba(0,209,255,.28);
}

/* Progress */
.progress-bar{width:100%;height:6px;background:#312a56;border-radius:3px;overflow:hidden;margin:10px 0;}
.progress-fill{height:100%;background: linear-gradient(90deg, var(--accent-2), #0099cc);width:0%;transition:width .3s ease;}

/* File list */
.file-list{
  background: rgba(255,255,255,.03);
  border-radius:10px;padding:14px;max-height:200px;overflow-y:auto;
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "Courier New", monospace;font-size:12px;
  border:1px solid rgba(255,255,255,.08);
}
.file-item{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px solid rgba(255,255,255,.08);}

/* Cropper */
.crop-overlay{position:relative;display:inline-block;}
.crop-selection{
  position:absolute;border:2px solid var(--accent-2);background:rgba(0,209,255,.12);cursor:move;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.18);
}
.resize-handle{
  position:absolute;width:8px;height:8px;background:var(--accent-2);
  border:1px solid white;border-radius:2px;
}
.resize-handle.nw{top:-4px;left:-4px;cursor:nw-resize;}
.resize-handle.ne{top:-4px;right:-4px;cursor:ne-resize;}
.resize-handle.sw{bottom:-4px;left:-4px;cursor:sw-resize;}
.resize-handle.se{bottom:-4px;right:-4px;cursor:se-resize;}

/* Info text */
.info-display{display:flex;gap:20px;margin:15px 0;font-size:12px;color:var(--text-2);}

/* Hidden file input */
#fileInput{display:none;}

/* Toast */
.toast{
  position:fixed;top:20px;right:20px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  color:white;padding:12px 20px;border-radius:10px;z-index:1000;
  transform: translateX(400px);
  box-shadow: 0 10px 26px rgba(0,209,255,.25);
  transition: transform .25s ease;
}
.toast.show{transform: translateX(0);}

/* Model preview */
#model-preview{width:100%;height:500px;background: rgba(255,255,255,.03);border:1px solid rgba(255,255,255,.06);border-radius:12px;}

/* Gallery */
.model-gallery{
  display:flex;flex-wrap:wrap;justify-content:center;gap:20px;padding:10px;color:var(--text-2);
}
.model-block{
  width:220px;border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:12px;
  box-shadow: var(--shadow-1);text-align:center;background: linear-gradient(180deg, rgba(34,27,66,.65), rgba(26,21,48,.9));
}
.model-block img{width:100%;height:auto;border-radius:8px;}
.model-info h3{margin:10px 0 6px;font-size:16px;color:var(--text-1);font-weight:700;}
.model-info p{font-size:13px;margin:2px 0;color:var(--text-2);}
.model-info a{display:inline-block;margin-top:6px;font-size:13px;text-decoration:none;color:var(--accent-2);}
.model-info a:hover{text-decoration:underline;}

/* Overlay (lightbox) */
.overlay{
  position:fixed;top:0;left:0;width:100%;height:100%;
  background-color: rgba(0,0,0,.8);
  display:flex;justify-content:center;align-items:center;z-index:9999;opacity:1;transition:opacity .3s ease;
}
.overlay.hidden{opacity:0;pointer-events:none;}
.overlay-content{
  position:relative;max-width:90%;max-height:90%;border-radius:12px;overflow:hidden;
  box-shadow: 0 10px 28px rgba(0,0,0,.6); background: var(--bg-1); padding:10px;
}
.overlay-image{width:100%;height:auto;display:block;cursor:pointer;border-radius:8px;}