:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-light: #273449;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --error: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  max-width: 900px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

h1 { font-size: 22px; margin-bottom: 20px; }
h2 { font-size: 17px; margin-top: 0; color: var(--text); }
.stage-note { color: var(--muted); font-size: 13px; margin: 0 0 16px; }

.stepper {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0 0 28px;
  gap: 8px;
}
.stepper li {
  flex: 1;
  text-align: center;
  padding: 10px 6px;
  border-radius: 6px;
  background: var(--panel);
  color: var(--muted);
  font-size: 13px;
  border: 1px solid var(--border);
}
.stepper li.active {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}
.stepper li.done {
  background: var(--panel-light);
  color: var(--success);
  border-color: var(--success);
}

.stage {
  display: none;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 24px;
}
.stage.active { display: block; }

.upload-tabs { display: flex; gap: 8px; margin-bottom: 20px; border-bottom: 1px solid var(--border); }
.upload-tab { background: transparent; color: var(--muted); border-radius: 6px 6px 0 0; border-bottom: 2px solid transparent; }
.upload-tab:hover:not(:disabled) { background: var(--panel-light); color: var(--text); }
.upload-tab.active { background: var(--panel-light); color: var(--text); border-bottom-color: var(--accent); }
.upload-panel[hidden] { display: none; }
.upload-status { color: var(--success); font-size: 13px; min-height: 18px; margin: 6px 0 12px; }

.field { margin-bottom: 16px; display: flex; flex-direction: column; gap: 6px; max-width: 420px; }
.field label { font-size: 13px; color: var(--muted); }
.field input[type="text"],
.field input[type="password"],
.field input[type="number"],
.field select,
.field input[type="file"] {
  background: var(--panel-light);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 6px;
  font-size: 14px;
}
.checkbox-field { flex-direction: row; align-items: center; max-width: none; }
.checkbox-field label { color: var(--text); font-size: 14px; display: flex; align-items: center; gap: 8px; }

.advanced { margin: 16px 0; }
.advanced summary { cursor: pointer; color: var(--accent); margin-bottom: 12px; }

button {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 18px;
  border-radius: 6px;
  font-size: 14px;
  cursor: pointer;
}
button:hover:not(:disabled) { background: var(--accent-hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.secondary { background: var(--panel-light); border: 1px solid var(--border); }
button.secondary:hover { background: var(--border); }
.spinner {
  display: none;
  width: 13px;
  height: 13px;
  margin-right: 8px;
  vertical-align: -2px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.spinner.visible { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }
.button { display: inline-block; text-decoration: none; }
.download-button {
  background: var(--success);
  border: 1px solid #86efac;
  color: #052e16;
  font-weight: 700;
}
.download-button:hover:not(:disabled) { background: #4ade80; }

.button-row { display: flex; gap: 10px; margin-top: 16px; }
.download-row { display: flex; justify-content: center; margin: 18px 0; }

.error { color: var(--error); font-size: 13px; min-height: 18px; margin: 6px 0; }

table { width: 100%; border-collapse: collapse; margin-bottom: 20px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 600; }

.summary-bar { display: flex; gap: 24px; margin-bottom: 12px; color: var(--muted); font-size: 13px; }

.progress-outer {
  background: var(--panel-light);
  border-radius: 6px;
  height: 14px;
  overflow: hidden;
  margin-top: 8px;
}
.progress-bar {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.3s ease;
}
.progress-label { font-size: 13px; color: var(--muted); margin-top: 6px; }

.job-summary { font-size: 14px; margin-bottom: 10px; }
.job-summary .prefix { color: var(--accent); font-weight: 600; }

.log-box {
  background: #050b18;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px;
  height: 320px;
  overflow-y: auto;
  font-family: "Cascadia Code", Consolas, monospace;
  font-size: 12.5px;
  white-space: pre-wrap;
  margin-top: 14px;
}

.results-table .ok { color: var(--success); }
.results-table .fail { color: var(--error); }
.row-report-container { max-height: 520px; overflow: auto; margin-top: 12px; }
.row-report-container table { margin-bottom: 0; }
#mapping-container select { width: 100%; min-width: 240px; }
#mapping-container select.mapped {
  background: #dcfce7;
  border-color: #4ade80;
  color: #14532d;
}
.mapping-loading { color: var(--muted); font-size: 13px; }

[hidden] { display: none !important; }
.title-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 20px; }
.title-row h1 { margin-bottom: 0; }
.session-bar { display: flex; align-items: center; gap: 12px; color: var(--muted); font-size: 13px; }
.hint { color: var(--muted); font-size: 13px; margin: 0 0 12px; }