:root {
  --bg: #0f1115;
  --panel: #161a21;
  --panel-2: #1d222b;
  --border: #2a313c;
  --text: #e7ebf0;
  --muted: #95a0b0;
  --accent: #d97757;
  --accent-2: #e89b82;
  --radius: 12px;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }  /* beat .gallery/.controls display rules */
html, body { margin: 0; height: 100%; }
body {
  background: var(--bg);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
a { color: var(--accent-2); }

/* ---------- Topbar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 16px; padding: 12px 22px; background: var(--panel);
  border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-logo {
  height: 46px; width: auto; border-radius: 8px; background: #f5f1e8;
  padding: 4px 8px; display: block;
}
.brand-text h1 { font-size: 17px; margin: 0; }
.tagline { margin: 2px 0 0; font-size: 12px; color: var(--muted); }

.key-area { display: flex; gap: 8px; align-items: center; }
.key-field { position: relative; display: flex; align-items: center; }
.key-field input {
  width: 330px; max-width: 44vw; padding: 9px 58px 9px 12px;
  background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 13px;
}
.key-field input:focus { outline: none; border-color: var(--accent); }
.show-toggle {
  position: absolute; right: 5px; border: none; background: transparent;
  color: var(--accent-2); font-size: 12px; font-weight: 600; cursor: pointer; padding: 4px 6px;
}
.key-area select {
  padding: 9px 10px; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 13px;
}
.key-note {
  font-size: 12px; color: var(--muted); padding: 8px 22px;
  background: var(--panel); border-bottom: 1px solid var(--border);
}

/* ---------- Controls ---------- */
.controls {
  display: flex; gap: 10px; align-items: center; padding: 14px 22px;
  position: sticky; top: 0; background: var(--bg); z-index: 5;
  border-bottom: 1px solid var(--border);
}
.controls input, .controls select {
  padding: 9px 12px; background: var(--panel-2); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 13px;
}
.controls input { flex: 1; max-width: 460px; }
.controls input:focus, .controls select:focus { outline: none; border-color: var(--accent); }
.count { color: var(--muted); font-size: 12px; margin-left: auto; }

/* ---------- Main / gallery ---------- */
.main { flex: 1; padding: 22px; }
.gallery {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fill, minmax(265px, 1fr));
}
.skill-card {
  text-align: left; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 16px 18px; cursor: pointer;
  color: var(--text); display: flex; flex-direction: column; gap: 7px;
  transition: border-color .12s, transform .12s, background .12s;
}
.skill-card:hover { border-color: var(--accent); transform: translateY(-2px); background: var(--panel-2); }
.card-bundle {
  font-size: 10.5px; letter-spacing: .03em; text-transform: uppercase;
  color: var(--accent-2); font-weight: 600;
}
.card-title { margin: 0; font-size: 15px; line-height: 1.25; }
.card-summary { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.5; }
.empty-msg { color: var(--muted); padding: 40px; text-align: center; grid-column: 1 / -1; }

/* ---------- Tier badges ---------- */
.card-tags { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-tags .card-bundle { margin: 0; }
.card-tier {
  font-size: 10px; font-weight: 600; letter-spacing: .02em; padding: 2px 7px;
  border-radius: 99px; border: 1px solid transparent; white-space: nowrap; margin-left: auto;
}
.tier-production { color: #6ee7b7; background: rgba(16,185,129,.12); border-color: rgba(16,185,129,.35); }
.tier-stable     { color: #93c5fd; background: rgba(59,130,246,.12); border-color: rgba(59,130,246,.35); }
.tier-experimental { color: #fcd34d; background: rgba(245,158,11,.12); border-color: rgba(245,158,11,.35); }

/* ---------- Runner ---------- */
.runner { max-width: 880px; margin: 0 auto; }
.back {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 7px 13px; border-radius: 8px; font-size: 13px; cursor: pointer; margin-bottom: 18px;
}
.back:hover { border-color: var(--accent); }

.skill-head { margin-bottom: 18px; }
.bundle-tag {
  display: inline-block; font-size: 11px; color: var(--accent-2);
  background: rgba(217,119,87,.12); padding: 3px 9px; border-radius: 99px; margin-bottom: 8px;
}
.skill-head h2 { margin: 0 0 6px; font-size: 23px; }
.skill-desc { color: var(--muted); font-size: 13.5px; line-height: 1.55; margin: 0; }
.tier-tag {
  display: inline-block; font-size: 11px; font-weight: 600; padding: 3px 9px;
  border-radius: 99px; margin: 0 0 8px 6px; border: 1px solid transparent;
}

/* ---------- Use in another tool ---------- */
.elsewhere {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 10px; padding: 4px 14px; margin-bottom: 4px;
}
.elsewhere summary {
  cursor: pointer; font-size: 13px; font-weight: 600; padding: 9px 0; color: var(--accent-2);
}
.elsewhere-note { color: var(--muted); font-size: 12.5px; line-height: 1.5; margin: 4px 0 12px; }
.elsewhere-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; padding-bottom: 12px; }
.copy-msg { font-size: 12px; color: #6ee7b7; }

.input-form { display: flex; flex-direction: column; gap: 14px; margin: 22px 0; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 5px; }
.field .opt { color: var(--muted); font-weight: 400; }
.field .hint { color: var(--muted); font-weight: 400; font-size: 12px; }
.field input, .field textarea {
  width: 100%; padding: 10px 12px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 8px; color: var(--text); font-size: 13.5px; font-family: inherit; resize: vertical;
}
.field textarea { min-height: 90px; }
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }

.actions { display: flex; align-items: center; gap: 12px; }
button.primary {
  background: var(--accent); color: #1a1207; border: none; padding: 11px 18px;
  border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer;
}
button.primary:hover { background: var(--accent-2); }
button.primary:disabled { opacity: .5; cursor: not-allowed; }
button.ghost {
  background: var(--panel-2); color: var(--text); border: 1px solid var(--border);
  padding: 8px 13px; border-radius: 8px; font-size: 13px; cursor: pointer;
}
button.ghost:hover { border-color: var(--accent); }
.status { font-size: 13px; color: var(--muted); }
.status.err { color: #e07a6f; }

/* ---------- Output ---------- */
.output-wrap { margin-top: 24px; }
.output-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  font-size: 12px; color: var(--muted); margin-bottom: 8px;
}
.output-toolbar > div { display: flex; gap: 8px; }
.output {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 22px 26px; line-height: 1.6; font-size: 14.5px;
}
.markdown h1, .markdown h2, .markdown h3 { line-height: 1.3; }
.markdown h1 { font-size: 22px; }
.markdown h2 { font-size: 18px; border-bottom: 1px solid var(--border); padding-bottom: 5px; }
.markdown h3 { font-size: 15px; }
.markdown code { background: var(--panel-2); padding: 2px 6px; border-radius: 5px; font-size: 13px; }
.markdown pre { background: var(--panel-2); padding: 14px; border-radius: 8px; overflow-x: auto; }
.markdown pre code { background: none; padding: 0; }
.markdown table { border-collapse: collapse; width: 100%; margin: 12px 0; }
.markdown th, .markdown td { border: 1px solid var(--border); padding: 7px 10px; text-align: left; font-size: 13px; }
.markdown th { background: var(--panel-2); }
.markdown blockquote { border-left: 3px solid var(--accent); margin: 12px 0; padding: 2px 14px; color: var(--muted); }
.cursor::after { content: "▍"; color: var(--accent); animation: blink 1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

@media (max-width: 620px) {
  .key-field input { width: 200px; }
  .brand-text h1 { font-size: 15px; }
  .gallery { grid-template-columns: 1fr; }
}