:root {
  --bg: #f7f9f8;
  --panel: #ffffff;
  --border: #e5e9e7;
  --text: #17221c;
  --muted: #6b7a72;
  --accent: #1fa971;
  --accent-dark: #17835a;
  --accent-soft: rgba(31, 169, 113, 0.1);
  --danger: #e0524a;
  font-family: -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
}

header {
  padding: 16px 32px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
  display: flex;
  align-items: center;
  gap: 16px;
}

.logo { height: 32px; width: auto; }
.sub { margin: 0; color: var(--muted); font-size: 13px; }

main {
  max-width: 900px;
  margin: 0 auto;
  padding: 24px 32px 48px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  box-shadow: 0 1px 2px rgba(23, 34, 28, 0.04);
}

.panel h2 {
  margin: 0 0 12px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  font-weight: 600;
}

.row {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.row > label {
  flex: 1 1 280px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
  color: var(--muted);
}

input[type="text"], input[type="number"] {
  background: #fff;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 9px 12px;
  font-size: 14px;
}
input[type="text"]:focus, input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.path-input { display: flex; gap: 8px; }
.path-input input { flex: 1; }

#dropzone {
  display: block;
  border: 2px dashed var(--border);
  border-radius: 12px;
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
  background: #fbfdfc;
  transition: border-color 0.15s, background 0.15s;
}
#dropzone:hover, #dropzone.dragover {
  border-color: var(--accent);
  background: var(--accent-soft);
}
.dropzone-hint { display: flex; flex-direction: column; gap: 4px; color: var(--muted); font-size: 13px; }
.dropzone-hint strong { color: var(--text); font-size: 14px; }

#file-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
#file-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 13px;
  background: #fff;
}
#file-list li span:first-child { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file-size { color: var(--muted); font-size: 12px; }
.remove-file {
  border: none;
  background: none;
  color: var(--danger);
  font-size: 16px;
  font-weight: 700;
  padding: 0 4px;
}
.remove-file:hover { color: #b53a33; border-color: transparent; }
.file-error {
  margin-top: 8px;
  padding: 8px 12px;
  border-radius: 8px;
  background: rgba(224, 82, 74, 0.12);
  color: var(--danger);
  font-size: 13px;
}

button {
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 500;
  transition: border-color 0.15s, background 0.15s;
}
button:hover { border-color: var(--accent); color: var(--accent-dark); }
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #ffffff;
  font-weight: 600;
}
button.primary:hover { background: var(--accent-dark); border-color: var(--accent-dark); color: #fff; }
button.primary:disabled { opacity: 0.5; cursor: not-allowed; }

.mode-select {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.mode-option {
  display: flex;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
  background: #fff;
}
.mode-option:hover { border-color: var(--accent); }
.mode-option:has(input:checked) {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}
.mode-option strong { color: var(--text); }
.mode-option input { margin-top: 3px; accent-color: var(--accent); }

.options-grid > label {
  flex: 1 1 200px;
}
.options-grid > label.checkbox {
  flex-direction: row;
  align-items: center;
  gap: 8px;
}
.options-grid input[type="checkbox"] { accent-color: var(--accent); }

.extra-options { margin-top: 14px; }

.actions { display: flex; align-items: center; gap: 12px; }
#run-status { font-size: 13px; color: var(--muted); display: inline-flex; align-items: center; gap: 8px; }

.spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  display: inline-block;
}
@keyframes spin { to { transform: rotate(360deg); } }

.progress-wrap { display: flex; flex-direction: column; gap: 8px; }
.progress-meta {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 13px;
}
.progress-stage { color: var(--text); font-weight: 500; }
.progress-file { color: var(--muted); font-size: 12px; }
.progress-pct { color: var(--muted); font-variant-numeric: tabular-nums; }
.progress-track {
  height: 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-dark));
  border-radius: 999px;
  transition: width 0.25s ease-out;
}
.progress-bar.indeterminate {
  width: 30% !important;
  animation: indeterminate 1.1s ease-in-out infinite;
}
@keyframes indeterminate {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(330%); }
}
.log-details { margin-top: 4px; }
.log-details summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 12px;
  user-select: none;
}

#log {
  background: #0f1512;
  color: #d7e6dd;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  margin-top: 8px;
  max-height: 240px;
  overflow-y: auto;
  font-family: "SF Mono", Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.5;
  white-space: pre-wrap;
  word-break: break-word;
}

#summary table { width: 100%; border-collapse: collapse; font-size: 13px; }
#summary th, #summary td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); }
#summary th { color: var(--muted); font-weight: 500; }
#summary a { color: var(--accent-dark); font-weight: 600; text-decoration: none; }
#summary a:hover { text-decoration: underline; }
.tag { padding: 2px 10px; border-radius: 999px; font-size: 11px; font-weight: 600; }
.tag.scanned { background: rgba(37, 99, 235, 0.1); color: #2563eb; }
.tag.normal { background: var(--accent-soft); color: var(--accent-dark); }
.tag.error { background: rgba(224, 82, 74, 0.12); color: var(--danger); }