:root {
  /* Brand accents (approx) */
  --knime-yellow: #f7d21e;
  --python-blue: #3776ab;

  /* Neutral UI */
  --bg: #0b0d12;
  --panel: #111520;
  --panel-2: #0f131c;
  --text: #e6e8ee;
  --muted: #a7adbb;
  --border: #262c3a;

  --ok: #2fbf71;
  --warn: #f7d21e;
  --err: #e24a4a;

  --shadow: 0 12px 30px rgba(0,0,0,0.35);
  --radius: 14px;
  --radius-sm: 10px;

  --maxw: 980px;
  --pad: 18px;
  --pad-lg: 26px;

  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --panel: #ffffff;
    --panel-2: #fbfbfe;
    --text: #111827;
    --muted: #4b5563;
    --border: #e5e7eb;
    --shadow: 0 12px 30px rgba(0,0,0,0.08);
  }
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
}

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

a {
  color: inherit;
  text-decoration: none;
}
a:hover { text-decoration: underline; }

code, pre {
  font-family: var(--mono);
}

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--pad);
}

#site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  border-bottom: 1px solid var(--border);
}

#site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px var(--pad);
  gap: 16px;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-title {
  font-weight: 750;
  letter-spacing: 0.2px;
}

.brand-subtitle {
  color: var(--muted);
  font-size: 0.92rem;
}

.nav {
  display: flex;
  gap: 14px;
  color: var(--muted);
  font-size: 0.92rem;
}

#site-main {
  padding: 26px 0 40px;
}

.intro h1 {
  margin: 0 0 10px;
  font-size: 1.75rem;
  letter-spacing: -0.3px;
}

.intro p {
  margin: 0;
  color: var(--muted);
  max-width: 70ch;
}

.panel {
  margin-top: 18px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-header {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: linear-gradient(180deg, color-mix(in srgb, var(--panel) 86%, transparent), var(--panel));
}

.panel-title {
  font-weight: 650;
}

.badges {
  display: flex;
  gap: 10px;
  align-items: center;
  color: var(--muted);
  font-size: 0.9rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel-2);
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--muted);
}
.dot.knime { background: var(--knime-yellow); }
.dot.python { background: var(--python-blue); }

.panel-body {
  padding: 16px;
}

.work-area {
  display: grid;
  gap: 14px;
}

.card {
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel-2);
  padding: 14px;
}

.card.warn {
  border-color: color-mix(in srgb, var(--warn) 65%, var(--border));
}

.card.err {
  border-color: color-mix(in srgb, var(--err) 70%, var(--border));
}

.card h2 {
  margin: 0 0 10px;
  font-size: 1.05rem;
}

.app-intro h2 {
  margin: 0 0 6px;
  font-size: 1.2rem;
}

.app-intro p {
  margin: 0;
  color: var(--muted);
}

.muted { color: var(--muted); }

.row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.btn {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.95rem;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.btn:hover { border-color: color-mix(in srgb, var(--border) 70%, var(--python-blue)); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn.primary {
  border-color: color-mix(in srgb, var(--python-blue) 65%, var(--border));
  background: linear-gradient(180deg,
    color-mix(in srgb, var(--python-blue) 26%, var(--panel)),
    var(--panel)
  );
}

.btn.warn {
  border-color: color-mix(in srgb, var(--knime-yellow) 55%, var(--border));
}

.input {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
}

.app-meta {
  margin-top: 8px;
  color: var(--muted);
}

.app-meta-sep {
  margin: 0 6px;
  color: var(--muted);
}

.drop {
  border: 1px dashed color-mix(in srgb, var(--border) 60%, var(--python-blue));
  border-radius: var(--radius-sm);
  padding: 14px;
  background: linear-gradient(180deg, transparent, color-mix(in srgb, var(--panel) 92%, transparent));
}

.kv {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 8px 12px;
  font-size: 0.95rem;
}
.kv div:nth-child(odd) { color: var(--muted); }

hr.sep {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 14px 0;
}

.manifest-table-wrap {
  margin-top: 12px;
  max-height: 260px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
}

.manifest-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.manifest-table th,
.manifest-table td {
  text-align: left;
  padding: 6px;
  border-bottom: 1px solid var(--border);
}

.details {
  margin-top: 22px;
  color: var(--muted);
}
.details h2 {
  color: var(--text);
  margin: 18px 0 10px;
  font-size: 1.1rem;
}

.seo-text {
  text-align: justify;
}

#site-footer {
  border-top: 1px solid var(--border);
  padding: 18px 0;
  color: var(--muted);
}

/* Bigger body text for the 2–3 SEO paragraphs, without adding a new “card” look */
.details .seo-text {
  font-size: 1.05rem;
  line-height: 1.6;
  margin: 0.75rem 0;
}