:root {
  --bg: #f6f7fb;
  --panel-bg: #ffffff;
  --text: #1f2933;
  --muted: #52606d;
  --accent: #0052cc;
  --accent-dark: #003d99;
  --border: #d9e2ec;
  --error: #c81e1e;
  --font: "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

header {
  margin-bottom: 2rem;
}

header h1 {
  margin: 0 0 0.5rem;
  font-size: 2rem;
}

.lead {
  margin: 0;
  color: var(--muted);
}

.panel {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  box-shadow: 0 6px 16px rgba(15, 23, 43, 0.08);
}

label {
  display: block;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.token-input-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

#token-input {
  flex: 1 1 220px;
  padding: 0.75rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 1rem;
  letter-spacing: 0.08em;
}

#token-input[aria-busy="true"] {
  background: repeating-linear-gradient(
    45deg,
    rgba(0, 82, 204, 0.08),
    rgba(0, 82, 204, 0.08) 10px,
    rgba(0, 82, 204, 0.16) 10px,
    rgba(0, 82, 204, 0.16) 20px
  );
}

button,
a.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.25rem;
  padding: 0.7rem 1.2rem;
  border: none;
  border-radius: 6px;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s ease, box-shadow 0.2s ease;
}

.btn.primary {
  background: var(--accent);
  color: #fff;
}

.btn.primary:hover,
.btn.primary:focus {
  background: var(--accent-dark);
}

.btn.secondary {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
}

.btn.secondary:hover,
.btn.secondary:focus {
  background: rgba(0, 82, 204, 0.08);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.hint {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.status {
  margin-top: 1rem;
  min-height: 1.4rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.status.error {
  color: var(--error);
}

.results-header {
  margin: 2.5rem 0 1.5rem;
}

.results-header h2 {
  margin-bottom: 0.5rem;
}

.results-header dl {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.5rem 1.5rem;
  margin: 0;
}

.results-header dt {
  font-weight: 600;
  color: var(--muted);
}

.results-header dd {
  margin: 0;
  font-family: "Source Code Pro", Menlo, Consolas, monospace;
  font-size: 0.95rem;
}

.download-card {
  background: var(--panel-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
  margin-bottom: 1.5rem;
  box-shadow: 0 4px 14px rgba(15, 23, 43, 0.07);
}

.download-card__header {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
}

.download-card__title {
  margin: 0;
  font-size: 1.2rem;
  font-weight: 600;
  word-break: break-all;
}

.download-card__meta {
  color: var(--muted);
  font-size: 0.9rem;
  word-break: break-word;
}

.download-card__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}

.download-card__viewer {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 6px;
  background: #0b1727;
  color: #f1f5f9;
  font-size: 0.95rem;
  overflow-x: auto;
  max-height: 480px;
}

.download-card__viewer.loading {
  opacity: 0.85;
}

.download-card__viewer pre {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
}

.download-card__viewer .error {
  margin: 0;
  color: #ffb020;
}

.hidden {
  display: none;
}

@media (max-width: 640px) {
  .container {
    padding: 1.5rem 1rem 3rem;
  }

  .panel {
    padding: 1.25rem;
  }

  .download-card {
    padding: 1.25rem;
  }
}