:root {
  --duo-green:#58CC02;
  --duo-green-dark:#3f9900;
  --duo-blue:#1CB0F6;
  --bg-light:#F9FFF6;
  --text-dark:#2e2e2e;
  --panel-border:#d9eec4;
  --gray-light:#efefef;
}
*{
  box-sizing:border-box;
  font-family:"Poppins",system-ui,sans-serif;
}
body{
  background-color:var(--bg-light);
  margin:0;
  min-height:100vh;
  display:grid;
  place-items:center;
  padding:2rem 1rem 4rem;
  color:var(--text-dark);
}
.card{
  background:#fff;
  width:100%;
  max-width:600px;
  border-radius:24px;
  padding:2rem 2rem 1.5rem;
  box-shadow:0 20px 40px rgba(0,0,0,0.08),0 2px 4px rgba(0,0,0,0.06);
  border:2px solid var(--panel-border);
  text-align:center;
}
h1.app-title{
  font-size:1.5rem;
  font-weight:700;
  line-height:1.2;
  color:var(--duo-green);
  margin:0 0 .25rem;
}
.subtitle{
  font-size:.9rem;
  color:#555;
  margin-bottom:1.5rem;
}
.auth-box{text-align:left;}
.auth-row{
  display:flex;
  flex-direction:column;
  gap:.5rem;
  margin-bottom:1rem;
}
.auth-field label{
  font-size:.8rem;
  font-weight:600;
  color:#555;
  display:block;
  margin-bottom:.3rem;
}
.auth-field input{
  width:100%;
  border-radius:12px;
  border:2px solid var(--gray-light);
  padding:.8rem .9rem;
  font-size:.9rem;
  outline:none;
  background:#fafafa;
}
.auth-field input:focus{
  border-color:var(--duo-blue);
  background:#fff;
}
.auth-actions{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
  margin-top:1rem;
}
button.btn,
button.logout-btn,
button#convertBtn{
  background:var(--duo-green);
  color:#fff;
  border:none;
  border-radius:14px;
  font-size:.9rem;
  font-weight:600;
  padding:.8rem 1rem;
  cursor:pointer;
  box-shadow:0 6px 0 var(--duo-green-dark);
  transition:.12s;
}
button.btn:active,
button.logout-btn:active,
button#convertBtn:active{
  transform:translateY(2px);
  box-shadow:0 4px 0 var(--duo-green-dark);
}
.link-btn{
  background:var(--gray-light);
  color:#222;
  border:none;
  border-radius:14px;
  font-size:.9rem;
  font-weight:600;
  padding:.8rem 1rem;
  cursor:pointer;
}
.auth-status{
  font-size:.8rem;
  line-height:1.4;
  color:#444;
  background:#fafafa;
  border-radius:14px;
  border:2px solid #eee;
  padding:1rem;
  margin-top:1rem;
  word-break:break-word;
}
.user-bar{
  display:flex;
  justify-content:space-between;
  align-items:flex-start;
  background:rgba(88,204,2,0.07);
  border:2px solid rgba(88,204,2,0.4);
  border-radius:16px;
  padding:.9rem 1rem;
  margin-bottom:1.5rem;
  flex-wrap:wrap;
  gap:.75rem;
}
.user-email{
  font-size:.8rem;
  font-weight:600;
  color:#333;
}
.logout-btn{
  font-size:.8rem;
  line-height:1.1rem;
}
.section-label{
  text-align:left;
  font-size:.8rem;
  font-weight:600;
  color:#555;
  margin:1rem 0 .4rem;
}
.file-drop{
  border:2px dashed var(--duo-green);
  background:rgba(88,204,2,0.05);
  border-radius:16px;
  padding:1rem;
  cursor:pointer;
  transition:.2s;
  text-align:left;
}
.file-drop:hover{
  background:rgba(88,204,2,0.08);
}
.file-drop input[type="file"]{
  display:block;
  width:100%;
  border:none;
  background:transparent;
  font-size:.9rem;
  color:var(--text-dark);
  cursor:pointer;
}
.file-info{
  font-size:.75rem;
  color:#444;
  background:#fff;
  border-radius:10px;
  border:1px solid #ddd;
  padding:.5rem .75rem;
  display:inline-block;
  margin-top:.5rem;
}

/* URL importer */
.url-import-box{
  background:rgba(28,176,246,0.07);
  border:2px solid rgba(28,176,246,0.4);
  border-radius:16px;
  padding:1rem;
  margin-top:1rem;
  font-size:.8rem;
  text-align:left;
}
.url-label{
  font-size:.75rem;
  font-weight:600;
  color:#555;
  display:block;
  margin-bottom:.5rem;
}
.url-row{
  display:flex;
  flex-wrap:wrap;
  gap:.5rem;
}
.url-field{
  flex:1;
  min-width:0;
  border-radius:12px;
  border:2px solid var(--gray-light);
  padding:.7rem .8rem;
  font-size:.9rem;
  outline:none;
  background:#fff;
}
.url-field:focus{
  border-color:var(--duo-blue);
  background:#fff;
}
.url-btn{
  white-space:nowrap;
}
.url-hint{
  font-size:.7rem;
  color:#777;
  margin-top:.5rem;
  line-height:1.4;
}

.row{
  display:flex;
  gap:.5rem;
  flex-wrap:wrap;
}
.field{
  flex:1;
  min-width:calc(50% - .25rem);
  text-align:left;
}
.field label{
  font-size:.75rem;
  font-weight:600;
  color:#666;
  display:block;
  margin-bottom:.3rem;
}
select{
  width:100%;
  background:var(--gray-light);
  border:2px solid transparent;
  border-radius:12px;
  padding:.7rem .8rem;
  font-size:.9rem;
  cursor:pointer;
  outline:none;
  font-family:inherit;
}
select:focus{
  border-color:var(--duo-blue);
  background:#fff;
}
#convertBtn{
  width:100%;
  margin-top:1rem;
}
.status-area{
  background:#fafafa;
  border-radius:14px;
  border:2px solid #eee;
  text-align:left;
  margin-top:1rem;
  padding:1rem;
  font-size:.8rem;
  line-height:1.4;
  max-height:200px;
  overflow-y:auto;
  word-break:break-word;
  white-space:pre-wrap;
}
.help-hint{
  font-size:.7rem;
  color:#777;
  line-height:1.4;
  margin-top:.75rem;
  text-align:left;
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
  margin-top:.5rem;
}
.tag{
  background:var(--duo-blue);
  color:#fff;
  font-size:.7rem;
  font-weight:600;
  padding:.35rem .6rem;
  border-radius:999px;
}
.tag.green{
  background:var(--duo-green);
  box-shadow:0 2px 0 var(--duo-green-dark);
}
[hidden]{display:none!important;}