:root{
  --bg: #0b0b0c;
  --panel: rgba(255,255,255,0.03);
  --card: rgba(255,255,255,0.02);
  --border: rgba(255,255,255,0.03);
  --accent-flat: #7c6ef2;
  --purple: #8b5cf6;
  --muted: rgba(255,255,255,0.6);
}
/* Center panel and page-level spacing */
.center-panel{
  max-width:980px;
  margin:48px auto;
  padding:28px 32px;
  background: linear-gradient(180deg, rgba(255,255,255,0.005), transparent);
  border-radius:12px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.6);
}
.title{font-size:28px;margin:0 0 6px 0}
.lead{margin:0 0 14px 0;color:var(--muted)}

/* Cards gallery */
.cards-section{margin-top:20px}
.cards-title{font-size:18px;margin:6px 0 8px 0}
.cards-lead{margin:0 0 12px 0;color:var(--muted);font-size:13px}
.cards-shell{background:rgba(255,255,255,0.03);padding:18px;border-radius:8px;border:1px solid rgba(0,0,0,0.25)}
.cards-shell-title{margin:0 0 12px 0;color:#e6e6e6}
.cards-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:#242424;border:1px solid rgba(255,255,255,0.03);border-radius:8px;overflow:hidden;display:flex;flex-direction:column}
.card-inner{display:flex;flex-direction:column}
.card-link{display:block;padding:10px 12px;color:#dfe7ff;text-decoration:underline;font-weight:700;background:rgba(0,0,0,0.06)}
.card a{color:inherit;text-decoration:none}
.card .thumb{width:100%;height:320px;object-fit:cover;background:#555}
.card .meta{padding:12px;display:flex;flex-direction:column;gap:8px}
.card .card-desc{font-size:13px;color:var(--muted)}
.card .card-cta{margin-top:6px;align-self:flex-start;padding:6px 10px;border-radius:999px;background:var(--accent-flat);color:#0b0b0c;font-weight:700;font-size:13px}
html,body{height:100%;}
body{
  margin:0;
  background: var(--bg);
  color:#eee;
  font-family: Inter, 'Montserrat', Arial, sans-serif;
  -webkit-font-smoothing:antialiased;
}
.header{padding:28px 32px;text-align:center}
.shimmer-title{
  font-size:34px;
  letter-spacing:1.6px;
  font-weight:700;
  color: #f5f5f7;
}
@keyframes shine{ to {background-position:200% center;} }

.app{display:flex;gap:24px;padding:20px;align-items:flex-start;max-width:1200px;margin:0 auto}
.left-panel{width:320px}
.step{margin-bottom:16px}
.step h3{margin:6px 0 10px 0;font-size:15px;color:#ddd}
.drop-zone{background:#1b1b1b;border-radius:14px;padding:18px;border:1px solid rgba(255,255,255,0.04);min-height:160px;display:flex;align-items:center;justify-content:center;cursor:pointer}
.dz-content{text-align:center}
.btn{background:transparent;border:0;color:#fff;padding:10px 14px;border-radius:999px;cursor:pointer}
.btn.small{padding:6px 10px}
.btn.pill{background:linear-gradient(90deg, rgba(139,92,246,0.12), rgba(139,92,246,0.08));border:1px solid var(--border)}
.btn.hero{background:var(--accent-flat);padding:12px 18px;font-weight:700;color:#0d0d10}
.btn.hero:active{transform:translateY(1px)}
.controls{margin-top:16px;padding:14px;border-radius:12px}
.glass{backdrop-filter: blur(8px);background:rgba(255,255,255,0.02);border:1px solid rgba(255,255,255,0.04)}
.control-row{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.control-row.small{font-size:13px}
.control-row.inline{flex-direction:row;align-items:center;gap:8px}
.control-row.inline span{min-width:110px}
.button-row{display:flex;gap:8px;margin-bottom:12px}
.center-export{text-align:center;margin-top:8px}
input[type="range"]{width:100%}
input[type="text"],input[type="file"]{width:100%;padding:8px;border-radius:8px;border:1px solid rgba(255,255,255,0.06);background:transparent;color:#fff}
.muted{color:var(--muted);font-size:13px}

.canvas-wrap{flex:1;display:flex;align-items:flex-start}
.canvas-shell{flex:1;display:flex;justify-content:center}
.canvas-container{width:100%;max-width:1080px;border-radius:14px;padding:8px;background:var(--card);border:1px solid var(--border);display:flex;justify-content:center;align-items:center}
canvas{background:transparent;border-radius:10px;box-shadow:0 6px 30px rgba(0,0,0,0.6);max-width:100%;height:auto}

/* Sticker overlay */
#canvasContainer{position:relative;display:inline-block}
.sticker{
  position:absolute;
  left:0;top:0;
  transform:translate(-50%,-50%);
  background:transparent;
  color:#fff;
  padding:6px 10px;
  font-weight:700;
  font-family: Archivo, 'ZCOOL QingKe HuangYou', Impact, Arial;
  cursor:move;
  user-select:none;
  text-shadow: 0 2px 0 rgba(0,0,0,0.9);
  border-radius:6px;
}
.sticker.editable{outline:2px dashed rgba(255,255,255,0.06)}

.sticker .del-btn{
  position:absolute;right:-8px;top:-8px;width:20px;height:20px;border-radius:50%;background:#ff5252;color:#111;border:none;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center}

/* caption white box */
.caption-box{position:absolute;left:0;top:0;width:100%;height:auto;background:#fff;color:#000;border-bottom:1px solid rgba(0,0,0,0.06);display:flex;align-items:center;justify-content:center}

/* center drop hint inside canvas container */
.center-drop-hint{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;gap:8px;color:#fff;opacity:0.95;pointer-events:auto;transition:transform 220ms ease,opacity 220ms ease,filter 220ms ease}
.center-drop-hint{background:rgba(0,0,0,0.5);padding:12px;border-radius:12px;border:1px solid var(--border)}
.center-drop-hint .hint-top{font-size:12px;color:rgba(255,255,255,0.85);opacity:0.9}
.center-drop-hint .hint-text{font-size:13px;color:rgba(255,255,255,0.95);font-weight:700}
.center-drop-hint img.center-kirby{width:96px;height:96px;object-fit:cover;border-radius:8px;filter:grayscale(100%) contrast(0.95) brightness(0.9);box-shadow:0 6px 18px rgba(0,0,0,0.6);transition:transform 220ms ease,filter 220ms ease}
.center-drop-hint.drag-over{transform:translate(-50%,-56%) scale(1.06);opacity:1;filter:drop-shadow(0 12px 30px rgba(0,0,0,0.6));}

@keyframes kirby-suck {
  0% { transform: translateY(0) scale(1.0) rotate(0deg); }
  35% { transform: translateY(-8px) scale(1.08) rotate(-6deg); }
  70% { transform: translateY(0px) scale(0.98) rotate(6deg); }
  100% { transform: translateY(0) scale(1.0) rotate(0deg); }
}

.center-drop-hint.drag-over .center-kirby{
  filter: none; /* bring color back while active */
  animation: kirby-suck 800ms ease-in-out infinite;
  transform-origin: 50% 70%;
}

/* preview image (hidden by default) should not blow out layout */
#previewImg{max-width:600px;height:auto;display:block;margin:8px auto}

/* condensed color pickers row */
.color-row{display:flex;gap:10px;align-items:center}
.color-row .control-row{flex-direction:row;align-items:center;gap:8px;margin-bottom:0}
.color-row .control-row span{min-width:80px}




.footer{
  padding:18px 20px;
  text-align:center;
  background: rgba(255,255,255,0.02);
  border-top: 1px solid rgba(255,255,255,0.03);
  color: var(--muted);
  font-size:13px;
  display:flex;
  gap:8px;
  justify-content:center;
  align-items:center;
}
.footer a{color:inherit;text-decoration:none;opacity:0.95}
.footer a:hover{color:var(--purple);opacity:1;text-decoration:underline}
.footer .sep{opacity:0.6;margin:0 6px}

/* small responsive */
@media (max-width:900px){.app{flex-direction:column;padding:8px}.left-panel{width:100%}.btn{padding:12px 16px}.drop-zone{min-height:220px}}
@media (max-width:1000px){.cards-gallery{grid-template-columns:repeat(2,1fr)} }
@media (max-width:680px){.cards-gallery{grid-template-columns:repeat(1,1fr)} .card .thumb{height:220px}}

/* make inputs and controls touch-friendly */
input,select,button{touch-action:manipulation}