:root{
  --bg:#0b1020;
  --card:#0f1733;
  --muted:#a7b0d3;
  --text:#eef1ff;
  --line: rgba(255,255,255,.10);
  --accent:#6ea8ff;
  --accent2:#7cf3c6;
  --danger:#ff6b6b;
  --shadow: 0 20px 60px rgba(0,0,0,.35);
  --radius:16px;
  --radius2:22px;
  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  background: radial-gradient(1200px 600px at 20% 0%, rgba(110,168,255,.20), transparent 55%),
              radial-gradient(1000px 600px at 80% 10%, rgba(124,243,198,.12), transparent 55%),
              var(--bg);
  color:var(--text);
}

.page{
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 18px 18px;
}

.top{
  margin-bottom: 18px;
}
.brand{
  display:flex;
  gap:14px;
  align-items:center;
}
.logo{
  width:56px;
  height:56px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(110,168,255,.95), rgba(124,243,198,.75));
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:800;
  letter-spacing:1px;
  color:#071025;
  box-shadow: var(--shadow);
}
.txt h1{
  margin:0 0 6px 0;
  font-size: 22px;
}
.txt p{
  margin:0;
  color: var(--muted);
  line-height:1.6;
}

.card{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  padding: 18px;
}

.uploader{
  display:block;
}

.drop{
  border: 1px dashed rgba(255,255,255,.22);
  border-radius: var(--radius2);
  padding: 22px;
  background: rgba(10,14,30,.45);
  transition: .2s ease;
}
.drop.drag{
  border-color: rgba(110,168,255,.8);
  background: rgba(110,168,255,.10);
  transform: translateY(-1px);
}
.drop-inner{
  text-align:center;
  padding: 16px 10px;
}
.icon{
  width: 52px;
  height: 52px;
  margin: 0 auto 10px;
  border-radius: 18px;
  background: rgba(110,168,255,.15);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size: 20px;
  border: 1px solid rgba(110,168,255,.25);
}
.drop h3{
  margin: 0 0 6px;
  font-size: 18px;
}
.muted{
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  margin: 0 0 14px;
}

.actions{
  display:flex;
  align-items:center;
  gap: 12px;
  margin-top: 14px;
  flex-wrap: wrap;
}
.hint{
  color: var(--muted);
  font-size: 13px;
}
.hint.ok{
  color: rgba(124,243,198,.95);
}

.btn{
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.06);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 14px;
  cursor:pointer;
  transition: .2s ease;
  text-decoration:none;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
}
.btn:hover{ transform: translateY(-1px); border-color: rgba(255,255,255,.25); }
.btn:active{ transform: translateY(0px); }
.btn.primary{
  background: linear-gradient(135deg, rgba(110,168,255,.95), rgba(124,243,198,.80));
  color: #071025;
  border-color: transparent;
  font-weight: 700;
}
.btn[disabled]{
  opacity:.55;
  cursor:not-allowed;
  transform:none !important;
}

.progress{
  display:flex;
  gap: 12px;
  align-items:center;
  margin-top: 16px;
  padding: 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(0,0,0,.15);
}
.spinner{
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid rgba(255,255,255,.18);
  border-top-color: rgba(110,168,255,.95);
  animation: spin 1s linear infinite;
}
@keyframes spin{ to{ transform: rotate(360deg); } }
.p-title{ font-weight: 700; margin-bottom: 2px; }

.results{
  margin-top: 18px;
}
.grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.panel{
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  padding: 12px;
  background: rgba(10,14,30,.35);
}
.panel-title{
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 10px;
}
.imgbox{
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: 14px;
  overflow:hidden;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(0,0,0,.22);
  display:flex;
  align-items:center;
  justify-content:center;
}
.imgbox img{
  width: 100%;
  height: 100%;
  object-fit: contain;
  display:block;
}
.imgbox.checker{
  background-image:
    linear-gradient(45deg, rgba(255,255,255,.10) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,.10) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,.10) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,.10) 75%);
  background-size: 24px 24px;
  background-position: 0 0, 0 12px, 12px -12px, -12px 0px;
}
.download-row{
  display:flex;
  gap:10px;
  margin-top: 12px;
  flex-wrap: wrap;
}
.msg{
  margin-top: 10px;
  color: rgba(124,243,198,.95);
  font-size: 13px;
}

.footer{
  margin-top: 16px;
  text-align:center;
  color: var(--muted);
  font-size: 13px;
}
.footer a{
  color: rgba(110,168,255,.95);
  text-decoration:none;
  border-bottom: 1px dashed rgba(110,168,255,.55);
}
.footer a:hover{ border-bottom-color: rgba(124,243,198,.75); }

@media (max-width: 900px){
  .grid{ grid-template-columns: 1fr; }
}