:root{
  --bg: #eef8f4;
  --panel: #ffffff;
  --panel-2: #e9f5ef;
  --line: #d3e9de;
  --accent: #257a63;
  --accent-soft: #dcf1e8;
  --accent-dim: #eef8f4;
  --brass: #b8860b;
  --text: #142420;
  --muted: #5f7d72;
  --muted-2: #93b0a3;
}


.section-box{
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  margin-bottom: 16px;
}

.label{
  display: block;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 10px;
  color: var(--muted);
}

.dropzone{
  border: 2px dashed var(--line);
  border-radius: 10px;
  padding: 30px 20px;
  text-align: center;
  cursor: pointer;
  transition: border-color .15s ease, background .15s ease;
}
.dropzone:hover, .dropzone.dragover{ border-color: var(--accent); background: var(--accent-dim); }
.dropzone .icon{ font-size: 28px; margin-bottom: 8px; }
.dropzone .main{ font-size: 14px; font-weight: 600; }
.dropzone .sub{ font-size: 12px; color: var(--muted); margin-top: 4px; }
input[type=file]{ display: none; }

.dropzone .preview-img{
  display: none;
  max-width: 100%;
  max-height: 220px;
  border-radius: 8px;
  margin: 0 auto 12px;
}
.dropzone.has-preview .icon,
.dropzone.has-preview .main,
.dropzone.has-preview .sub{ display: none; }
.dropzone.has-preview .preview-img{ display: block; }

.settings-grid{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 14px;
}
.field{ display: flex; flex-direction: column; gap: 6px; }
.field .rowss{ display: flex; justify-content: space-between; align-items: baseline; }
.field .val{ font-family: 'JetBrains Mono', monospace; color: var(--accent); font-size: 12px; }
input[type=range]{ width: 100%; accent-color: var(--accent); }

.btns{ display: flex; justify-content: flex-end; gap: 10px; margin-top: 16px; flex-wrap: wrap; }

.app{
  padding: 11px 22px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  font-weight: 600;
  font-size: 13.5px;
  font-family: 'Inter', sans-serif;
  color: #fff;
  background: linear-gradient(135deg, var(--accent), #59c19f);
  transition: filter .15s ease;
}
.app:hover{ filter: brightness(1.08); }
.app:disabled{ opacity: 0.5; cursor: not-allowed; }
.gray{ background: var(--line); color: var(--text); }
.brass-btn{ background: linear-gradient(135deg, var(--brass), #d9a72e); }

.empty-state{ text-align: center; color: var(--muted-2); padding: 30px 10px; font-size: 13.5px; }
.loading{ text-align: center; padding: 30px 10px; color: var(--accent); font-family: 'JetBrains Mono', monospace; font-size: 13px; }

/* COMPARISON SLIDER */
.compare-wrap{
  position: relative;
  width: 100%;
  max-width: 420px;
  margin: 0 auto;
  border-radius: 8px;
  overflow: hidden;
  background:
    linear-gradient(45deg, #e5e2d8 25%, transparent 25%),
    linear-gradient(-45deg, #e5e2d8 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #e5e2d8 75%),
    linear-gradient(-45deg, transparent 75%, #e5e2d8 75%);
  background-color: #ffffff;
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
  user-select: none;
}
.compare-wrap img{ display: block; width: 100%; height: auto; }
.compare-after{ position: absolute; top: 0; left: 0; height: 100%; overflow: hidden; width: 50%; }
.compare-after img{ width: var(--full-w); max-width: none; height: 100%; object-fit: cover; }
.compare-handle{
  position: absolute; top: 0; bottom: 0; left: 50%; width: 3px;
  background: var(--brass); cursor: ew-resize; transform: translateX(-1.5px);
}
.compare-handle::after{
  content: "◂▸"; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%);
  background: var(--brass); color: #2b2005; width: 34px; height: 34px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center; font-size: 11px; letter-spacing: -2px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
.compare-label{
  position: absolute; top: 10px; font-family: 'JetBrains Mono', monospace; font-size: 10.5px; letter-spacing: .5px;
  padding: 4px 10px; border-radius: 20px; background: rgba(12,17,22,0.75); color: #fff;
}
.compare-label.before{ left: 10px; }
.compare-label.after{ right: 10px; }

.result-stats{
  display: flex; justify-content: center; gap: 20px; margin-top: 14px;
  font-family: 'JetBrains Mono', monospace; font-size: 12.5px; color: var(--muted); flex-wrap: wrap;
}
.result-stats b{ color: var(--accent); }

.note{
  margin-top: 14px; font-size: 12px; color: var(--muted); line-height: 1.6;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 8px; padding: 10px 14px;
}