:root{
  --bg: #F4F6F8;
  --surface: #FFFFFF;
  --ink: #1C2430;
  --ink-soft: #5B6674;
  --primary: #2F6FED;
  --primary-dark: #1F53BF;
  --border: #E1E6EC;
  --bar-bg: #E9EDF3;
  --radius: 12px;
}

*{ box-sizing: border-box; }

body{
  margin:0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

.wrap{
  max-width: 560px;
  margin: 0 auto;
  padding: 32px 20px 60px;
}

header h1{
  font-size: 24px;
  margin-bottom: 6px;
}
.subtitle{
  color: var(--ink-soft);
  font-size: 14px;
  margin-top: 0;
}
.subtitle a{ color: var(--primary); }

.card{
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-top: 18px;
  box-shadow: 0 1px 2px rgba(20,30,45,0.05), 0 4px 12px rgba(20,30,45,0.05);
}

.drop-area{
  position: relative;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 30px 16px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background-color .15s ease;
}
.drop-area:hover, .drop-area.dragover{
  border-color: var(--primary);
  background: #F0F5FF;
}
.drop-area p{ margin:0; color: var(--ink-soft); font-size: 14px; }

.drop-area input[type=file]{
  position:absolute;
  inset:0;
  opacity:0;
  cursor:pointer;
  width:100%;
  height:100%;
}

.preview-row{
  display:flex;
  justify-content:center;
  margin-top: 16px;
}
.preview-row img{
  max-width: 100%;
  max-height: 280px;
  border-radius: 8px;
  border: 1px solid var(--border);
}

button#predictBtn{
  width: 100%;
  margin-top: 16px;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
button#predictBtn:hover:not(:disabled){ background: var(--primary-dark); }
button#predictBtn:disabled{
  background: #B9C6DA;
  cursor: not-allowed;
}

.status{
  text-align:center;
  font-size: 13px;
  color: var(--ink-soft);
  min-height: 18px;
  margin: 10px 0 0;
}

#resultsCard h2{
  font-size: 16px;
  margin: 0 0 14px;
}

.result-row{
  margin-bottom: 14px;
}
.result-row:last-child{ margin-bottom: 0; }

.result-label-line{
  display:flex;
  justify-content: space-between;
  font-size: 14px;
  margin-bottom: 5px;
}
.result-label-line .class-name{
  font-weight: 600;
  text-transform: capitalize;
}
.result-label-line .top-tag{
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  background: #E6EEFF;
  padding: 1px 8px;
  border-radius: 999px;
  margin-left: 8px;
}

.bar-track{
  background: var(--bar-bg);
  border-radius: 999px;
  height: 10px;
  overflow: hidden;
}
.bar-fill{
  height: 100%;
  background: var(--primary);
  border-radius: 999px;
  transition: width .4s ease;
}

footer{
  text-align:center;
  color: var(--ink-soft);
  font-size: 12px;
  margin-top: 28px;
}