:root {
  --bg: #0f1419;
  --card: #1a2332;
  --text: #e7edf5;
  --muted: #8b9bb4;
  --accent: #5b9fd4;
  --border: #2a3647;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family:
    system-ui,
    -apple-system,
    Segoe UI,
    Roboto,
    sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

header nav {
  display: flex;
  gap: 1.25rem;
  align-items: center;
}

header .meta {
  color: var(--muted);
  font-size: 0.875rem;
}

main {
  padding: 1.5rem;
  max-width: 1100px;
  margin: 0 auto;
}

h1 {
  font-size: 1.5rem;
  font-weight: 600;
  margin: 0 0 1rem;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  max-width: 400px;
  margin: 3rem auto;
}

.card form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.card label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.875rem;
  color: var(--muted);
}

.card input {
  padding: 0.5rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
}

.card button {
  padding: 0.6rem 1rem;
  border: none;
  border-radius: 6px;
  background: var(--accent);
  color: #0a0e12;
  font-weight: 600;
  cursor: pointer;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 1rem;
  margin-bottom: 2rem;
}

.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
}

.stat .value {
  font-size: 1.75rem;
  font-weight: 700;
}

.stat .label {
  font-size: 0.8rem;
  color: var(--muted);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th,
td {
  text-align: left;
  padding: 0.65rem 0.75rem;
  border-bottom: 1px solid var(--border);
}

th {
  color: var(--muted);
  font-weight: 500;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.03);
}

.pager {
  margin-top: 1rem;
  display: flex;
  gap: 1rem;
  align-items: center;
  color: var(--muted);
}

pre.json {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  overflow: auto;
  font-size: 0.8rem;
  max-height: 320px;
}

.status {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.status-done {
  background: #1e3d2f;
  color: #7dcea0;
}

.status-failed {
  background: #3d1e1e;
  color: #f5b7b1;
}

.status-pending,
.status-processing {
  background: #2a2f3d;
  color: #a9b4d0;
}

.muted {
  color: var(--muted);
  font-size: 0.9rem;
}

.mono {
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  word-break: break-all;
}

.error-msg {
  color: #f5b7b1;
}

.upload-form {
  max-width: 480px;
}

.upload-field {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

.upload-field input[type='file'] {
  color: var(--text);
}

.result-preview img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
  margin-top: 0.5rem;
}

.task-meta {
  margin-top: 1.5rem;
  font-size: 0.9rem;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.35rem 1rem;
}

.task-meta dt {
  color: var(--muted);
}

.break-all {
  word-break: break-all;
}