:root {
  --bg: #f0f1f3;
  --card: #ffffff;
  --border: #e1e3e8;
  --text: #1f2933;
  --muted: #6b7280;
  --green: #1a7f37;
  --green-bg: #e6f4ea;
  --red: #b91c1c;
  --red-bg: #fdecea;
  --amber: #b45309;
  --amber-bg: #fef3e2;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 48px 16px;
}

.card {
  background: var(--card);
  width: 100%;
  max-width: 640px;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

h1 {
  font-size: 22px;
  margin: 0 0 8px;
}

h2 {
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0 0 12px;
}

.subtitle {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
  margin: 0 0 8px;
}

section {
  margin-top: 28px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}

header { border: none; }

.file-field { display: block; margin-bottom: 16px; }

input[type="file"] {
  width: 100%;
  padding: 14px;
  border: 1px dashed var(--border);
  border-radius: 8px;
  background: #fafbfc;
  font-size: 14px;
}

button,
.download-btn {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--text);
  background: var(--text);
  color: #fff;
  cursor: pointer;
  text-decoration: none;
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.download-btn {
  margin-top: 16px;
  border-color: var(--green);
  background: var(--green);
}

/* Resumable job cards */
.resume-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 10px;
}

.resume-card .meta { font-size: 13px; }
.resume-card .meta code { font-size: 12px; color: var(--muted); }

.resume-card button {
  padding: 6px 14px;
  background: var(--amber);
  border-color: var(--amber);
}

/* Status */
.job-id-row { font-size: 14px; margin-bottom: 14px; }
.job-id-row .label { color: var(--muted); margin-right: 6px; }
.job-id-row code {
  background: #f3f4f6;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 13px;
}

.status-row { display: flex; align-items: center; gap: 10px; }

.badge {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 3px 10px;
  border-radius: 999px;
}
.badge.complete { color: var(--green); background: var(--green-bg); }
.badge.error    { color: var(--red);   background: var(--red-bg); }
.badge.running,
.badge.queued   { color: var(--amber); background: var(--amber-bg); }
.badge.interrupted { color: var(--amber); background: var(--amber-bg); }

.status-message { font-size: 14px; color: var(--muted); }

.error {
  color: var(--red);
  font-size: 14px;
  margin-top: 12px;
  white-space: pre-wrap;
}

/* Summary card */
.summary-card {
  margin-top: 20px;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px 18px;
  background: #fafbfc;
}

.summary-card h3 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 0 0 8px;
}

.summary-card h3:not(:first-child) {
  margin-top: 18px;
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.summary-table td {
  padding: 5px 0;
  border-bottom: 1px solid var(--border);
}

.summary-table td:last-child {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.summary-table tr:last-child td {
  border-bottom: none;
}

.summary-table .total-row td {
  font-weight: 700;
  border-top: 2px solid var(--border);
}

.hidden { display: none !important; }

/* Spinner */
.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--amber-bg);
  border-top-color: var(--amber);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}