:root {
  --bg1:#001a33;
  --bg2:#003366;
  --accent:#1e90ff;
  --muted:#dbeafe;
  --glass:rgba(255,255,255,0.05);
  --radius:14px;
}
* { box-sizing:border-box }
body {
  margin:0;
  font-family:Inter,system-ui,Segoe UI,Roboto;
  background:linear-gradient(180deg,var(--bg1),var(--bg2));
  color:var(--muted);
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  padding:24px;
}
.wrap {
  width:100%;
  max-width:900px;
  background:var(--glass);
  border-radius:20px;
  padding:24px;
  box-shadow:0 8px 30px rgba(0,0,0,0.6);
  backdrop-filter:blur(8px);
}
h1 {
  margin:0 0 10px;
  font-weight:800;
  font-size:22px;
  color:#fff;
}
p {
  margin:0 0 16px;
  font-size:14px;
  opacity:0.9;
}
.grid {
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.panel {
  background:rgba(255,255,255,0.03);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 4px 14px rgba(0,0,0,0.4);
}
label {
  font-size:13px;
  margin-bottom:6px;
  display:block;
}
textarea {
  width:100%;
  min-height:80px;
  padding:12px;
  border-radius:var(--radius);
  background:rgba(0,0,0,0.3);
  border:1px solid rgba(255,255,255,0.1);
  color:var(--muted);
  resize:vertical;
}
.btn {
  margin-top:10px;
  padding:10px 16px;
  border:none;
  border-radius:var(--radius);
  font-weight:700;
  cursor:pointer;
  background:linear-gradient(90deg,var(--accent),#60a5fa);
  color:#fff;
}
.btn:disabled {
  opacity:0.6;
  cursor:not-allowed;
}
.result-box {
  min-height:250px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:var(--radius);
  background:rgba(0,0,0,0.3);
  position:relative;
  padding:10px;
  flex-direction:column;
  text-align:center;
}
.placeholder { opacity:0.8; text-align:center }
.result-img {
  max-width:100%;
  max-height:400px;
  border-radius:var(--radius);
  box-shadow:0 8px 20px rgba(0,0,0,0.6);
}
.download-btn {
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:12px;
  padding:10px 14px;
  border-radius:var(--radius);
  background:rgba(0,0,0,0.4);
  color:#fff;
  font-weight:600;
  text-decoration:none;
}
.download-btn img {
  width:18px;
  height:18px;
}
.photo-size {
  margin-top:8px;
  font-size:13px;
  color:#dbeafe;
  opacity:0.85;
}
.loader {
  border:5px solid rgba(255,255,255,0.1);
  border-top:5px solid #fff;
  border-radius:50%;
  width:40px;
  height:40px;
  animation:spin 1s linear infinite;
}
@keyframes spin {
  to { transform:rotate(360deg) }
}
@media(max-width:768px){
  .grid { grid-template-columns:1fr }
}