/* ============================================================
   OpenSourcePath — module: Roadmap
   Track tabs, progress ring, milestone nodes and specialized
   tracks. Loaded from js/modules/roadmap/roadmap.js markup and
   js/core/app.js node rendering (shared with the landing page).
   ============================================================ */

/* roadmap panel + track tabs */
.setup { display: flex; flex-direction: column; gap: 12px; margin-bottom: 14px; }
.setup-chips { display: flex; flex-wrap: wrap; gap: 9px; }
.roadmap-panel { background: var(--panel); box-shadow: var(--shadow-panel); }
.roadmap-panel .cell-in { padding: 0; }

.track-tabs { display: flex; gap: 4px; padding: 14px 18px 0; border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.track-tabs::-webkit-scrollbar { display: none; }
.track-tab {
  font-size: 13.5px; font-weight: 700; color: var(--text-3); padding: 10px 15px;
  border-radius: 10px 10px 0 0; border-bottom: 2px solid transparent; white-space: nowrap;
  transition: color 0.25s var(--ease), background 0.25s var(--ease);
}
.track-tab:hover { color: var(--text-2); background: var(--panel-2); }
.track-tab[aria-selected="true"] { color: var(--accent); border-bottom-color: var(--accent); background: transparent; }

.track-body { display: grid; grid-template-columns: 210px 1fr; gap: 0; }
.track-progress {
  padding: 26px 22px; border-right: 1px solid var(--line);
  display: flex; flex-direction: column; align-items: flex-start; gap: 14px;
}
.track-progress p { font-size: 13.5px; color: var(--text-2); }
.track-progress p strong { color: var(--text); font-family: var(--font-mono); font-size: 17px; }
.ring { position: relative; width: 52px; height: 52px; }
.ring svg { transform: rotate(-90deg); }
.ring-track { fill: none; stroke: var(--panel-3); stroke-width: 4; }
.ring-fill { fill: none; stroke: var(--accent); stroke-width: 4; stroke-linecap: round; stroke-dasharray: 132; stroke-dashoffset: 132; transition: stroke-dashoffset 0.6s var(--ease); }
.ring span { position: absolute; inset: 0; display: grid; place-items: center; font-family: var(--font-mono); font-size: 10.5px; color: var(--text); }

.nodes { list-style: none; padding: 20px 26px 26px; margin: 0; position: relative; display: grid; gap: 2px; }
.nodes::before { content: ""; position: absolute; left: 47px; top: 30px; bottom: 34px; width: 1px; background: var(--line); }
.node-row {
  display: flex; align-items: center; gap: 16px; padding: 9px 10px; border-radius: var(--radius-md);
  position: relative; transition: background 0.25s var(--ease);
}
.node-row:hover { background: var(--panel-2); }
.node-box {
  width: 22px; height: 22px; border-radius: 7px; border: 1.5px solid var(--line-2); flex-shrink: 0;
  display: grid; place-items: center; background: var(--panel);
  transition: background 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.2s var(--ease);
  z-index: 1;
}
.node-box:hover { transform: scale(1.12); border-color: var(--accent); }
.node-row.done .node-box { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-size: 13px; }
.node-row.now .node-box { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-soft); }
.node-name { font-size: 14px; font-weight: 700; color: var(--text); }
.node-row.done .node-name { color: var(--text-3); text-decoration: line-through; text-decoration-color: var(--text-3); }
.node-tags { display: flex; gap: 7px; margin-top: 2px; }
.node-meta { margin-left: auto; display: flex; align-items: center; gap: 10px; flex-shrink: 0; font-family: var(--font-mono); font-size: 11px; color: var(--text-3); }
.node-meta .lvl { text-transform: uppercase; letter-spacing: 0.08em; font-size: 10px; }

@media (max-width: 1024px) {
  .track-body { grid-template-columns: 1fr; }
  .track-progress { flex-direction: row; align-items: center; border-right: 0; border-bottom: 1px solid var(--line); padding: 18px 22px; }
  .ghost-btn { margin-left: auto; }
}

@media (max-width: 768px) {
  .node-meta { display: none; }
  .nodes::before { left: 43px; }
}

/* ---------- Experience-level selector + recommended badge ---------- */
.exp-chip { transition: border-color 0.2s var(--ease), background 0.2s var(--ease), color 0.2s var(--ease); }
.exp-chip.is-on {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}
.exp-chip.is-on i { color: var(--accent); }
.exp-note { margin-left: auto; align-self: center; }
.tab-rec {
  font-style: normal; font-family: var(--font-mono); font-size: 9px;
  letter-spacing: 0.09em; text-transform: uppercase;
  color: var(--accent); background: var(--accent-soft);
  border: 1px solid var(--accent-line); border-radius: 999px;
  padding: 1px 7px; margin-left: 7px; vertical-align: 1px;
}
.track-tab { display: inline-flex; align-items: center; }

/* ---------- Skill survey + personal plan ---------- */
.survey-card { border: 1px solid var(--line); border-radius: var(--radius-lg); background: var(--panel); padding: 16px 18px; display: grid; gap: 12px; }
.survey-head { display: flex; align-items: center; gap: 16px; justify-content: space-between; flex-wrap: wrap; }
.survey-sub { font-size: 13.5px; color: var(--text-2); max-width: 62ch; margin-top: 4px; }
.survey { display: grid; gap: 14px; }
.survey.is-collapsed { display: none; }
.survey-q { border: 0; padding: 0; margin: 0; display: grid; gap: 8px; }
.survey-q legend { font-size: 13.5px; font-weight: 700; color: var(--text); padding: 0; margin-bottom: 2px; }
.survey-opts { display: flex; flex-wrap: wrap; gap: 8px; }
.survey-opt { display: inline-flex; align-items: center; cursor: pointer; }
.survey-opt input { position: absolute; opacity: 0; pointer-events: none; }
.survey-opt span {
  padding: 7px 13px; border-radius: 999px; font-size: 12.5px; font-weight: 600;
  color: var(--text-2); background: var(--bg-2); border: 1px solid var(--line-2);
  transition: border-color 0.18s var(--ease), background 0.18s var(--ease), color 0.18s var(--ease);
}
.survey-opt:hover span { border-color: var(--accent-line); }
.survey-opt input:checked + span { color: var(--accent-ink); background: var(--accent); border-color: var(--accent); }
.survey-opt input:focus-visible + span { outline: 2px solid var(--accent); outline-offset: 2px; }
.survey-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.plan-card { border: 1px solid var(--accent-line); }
.plan-card .mono-label i { color: var(--accent); }