/* ============================================================
   ROADMAP SECTION — design tokens
   These should already exist in static/css/main.css. Re-declared
   here with :root so this file is self-contained; safe no-op if
   duplicated since values are identical to your existing tokens.
   ============================================================ */
:root{
  --purple:#6d28d9; --purple-bg:#f3eefd; --purple-border:#e4d6fb;
  --aws:#d97706;    --aws-bg:#fef3e2;   --aws-border:#fde3b8;
  --blue:#2563eb;   --blue-bg:#eaf0fe;  --blue-border:#cfdcfb;
  --cyan:#0891b2;   --cyan-bg:#e6f6fa;  --cyan-border:#bfeaf2;
  --green:#16a34a;  --green-bg:#e9f8ee; --green-border:#bfe9cd;
  --red:#dc2626;    --red-bg:#fdeaea;

  --bg:#f7f8fb; --surface:#ffffff; --surface-2:#f3f4f7;
  --border:#e6e8ee; --border-2:#d7dae3;
  --text:#0f1525; --text-3:#646d80; --text-4:#9aa1b1;
}

/* ============================================================
   LANDING PAGE  (/roadmap/)  — mirrors Scenarios section pattern:
   hero, stats bar, filter pills, card grid
   ============================================================ */
.rl-wrap{ max-width:1180px; margin:0 auto; padding:0 24px 64px; }

.rl-hero{ padding:48px 0 32px; text-align:center; }
.rl-hero-eyebrow{ display:inline-flex; align-items:center; gap:6px; font-size:.72rem; font-weight:700; color:var(--purple); text-transform:uppercase; letter-spacing:.08em; margin-bottom:10px; }
.rl-hero-title{ font-size:2.1rem; font-weight:800; letter-spacing:-.5px; margin:0 0 10px; }
.rl-hero-sub{ color:var(--text-3); font-size:.98rem; max-width:620px; margin:0 auto; line-height:1.65; }

.rl-stats{ display:flex; justify-content:center; gap:0; flex-wrap:wrap; background:var(--surface); border:1px solid var(--border); border-radius:16px; padding:20px 10px; margin:0 0 28px; box-shadow:0 1px 2px rgba(15,23,42,.04); }
.rl-stat{ flex:1; min-width:120px; text-align:center; padding:6px 18px; border-right:1px solid var(--border); }
.rl-stat:last-child{ border-right:none; }
.rl-stat-num{ font-size:1.5rem; font-weight:800; color:var(--purple); letter-spacing:-.3px; }
.rl-stat-label{ font-size:.74rem; color:var(--text-3); font-weight:600; text-transform:uppercase; letter-spacing:.04em; margin-top:2px; }

.rl-filters{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:8px; }
.rl-filter-group{ display:flex; flex-wrap:wrap; gap:8px; align-items:center; }
.rl-filter-label{ font-size:.74rem; font-weight:700; color:var(--text-4); text-transform:uppercase; letter-spacing:.05em; margin-right:4px; }
.rl-pill{ background:var(--surface); border:1px solid var(--border-2); color:var(--text-3); font-size:.8rem; font-weight:700; padding:7px 16px; border-radius:999px; cursor:pointer; transition:.15s; font-family:inherit; }
.rl-pill:hover{ border-color:var(--purple); color:var(--purple); }
.rl-pill.active{ background:var(--purple); border-color:var(--purple); color:#fff; }

.rl-grid{ display:grid; grid-template-columns:repeat(3, 1fr); gap:18px; margin-top:24px; }
.rl-card{ background:var(--surface); border:1px solid var(--border); border-left:4px solid var(--purple); border-radius:14px; padding:20px; display:block; text-decoration:none; color:var(--text); transition:transform .15s, box-shadow .15s; box-shadow:0 1px 3px rgba(15,23,42,.06); }
.rl-card:hover{ transform:translateY(-3px); box-shadow:0 12px 26px rgba(109,40,217,.13); }
.rl-card.is-hidden{ display:none; }
.rl-card-top{ display:flex; align-items:center; justify-content:space-between; margin-bottom:12px; }
.rl-card-icon{ width:38px; height:38px; border-radius:10px; background:var(--purple-bg); border:1px solid var(--purple-border); color:var(--purple); display:flex; align-items:center; justify-content:center; flex-shrink:0; }
.rl-card-badges{ display:flex; gap:6px; }
.rl-badge-domain, .rl-badge-level{ font-size:.62rem; font-weight:800; padding:3px 9px; border-radius:999px; text-transform:uppercase; letter-spacing:.04em; }
.rl-badge-domain.aws{ background:var(--aws-bg); color:var(--aws); border:1px solid var(--aws-border); }
.rl-badge-domain.devops{ background:var(--blue-bg); color:var(--blue); border:1px solid var(--blue-border); }
.rl-badge-level{ background:var(--surface-2); color:var(--text-3); border:1px solid var(--border-2); }
.rl-card-title{ font-size:1.02rem; font-weight:800; margin:0 0 6px; }
.rl-card-desc{ font-size:.82rem; color:var(--text-3); line-height:1.55; margin:0 0 14px; }
.rl-card-meta{ display:flex; align-items:center; gap:6px; font-size:.76rem; color:var(--text-4); font-weight:600; }

@media (max-width:900px){ .rl-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:620px){ .rl-grid{ grid-template-columns:1fr; } .rl-stat{ border-right:none; border-bottom:1px solid var(--border); } }

/* ============================================================
   DETAIL PAGE  (/roadmap/<slug>/) — page head + view tabs
   ============================================================ */
.wrap{ max-width:1180px; margin:0 auto; padding:0 24px; }

.rm-page-head{ padding:28px 0 0; }
.rm-crumb{ font-size:.78rem; color:var(--text-4); margin-bottom:10px; }
.rm-crumb a{ color:var(--text-3); text-decoration:none; font-weight:600; }
.rm-head-row{ display:flex; align-items:center; gap:14px; flex-wrap:wrap; margin-bottom:4px; }
.rm-head-icon{ width:46px;height:46px;border-radius:12px; background:var(--blue-bg); border:1px solid var(--blue-border); display:flex;align-items:center;justify-content:center; color:var(--blue); flex-shrink:0; }
.rm-head-title{ font-size:1.5rem; font-weight:800; letter-spacing:-.3px; }
.rm-head-sub{ color:var(--text-3); font-size:.88rem; margin:4px 0 0; max-width:640px; line-height:1.6; }
.rm-domain-badge{ font-size:.68rem; font-weight:700; padding:4px 10px; border-radius:999px; background:var(--blue-bg); color:var(--blue); border:1px solid var(--blue-border); text-transform:uppercase; letter-spacing:.04em; }

.lp-tabs{ display:flex; gap:6px; margin:26px 0 20px; border-bottom:1px solid var(--border); }
.lp-tab{ background:none;border:none;color:var(--text-3);font-family:inherit; font-size:.85rem;font-weight:600;padding:11px 18px;cursor:pointer; border-bottom:2px solid transparent; display:flex;align-items:center;gap:7px; transition:.15s; }
.lp-tab:hover{ color:var(--text); }
.lp-tab.active{ color:var(--blue); border-bottom-color:var(--blue); }

.rm-shell{ background:var(--surface); border:1px solid var(--border); border-radius:18px; padding:42px 24px 56px; box-shadow:0 1px 2px rgba(15,23,42,.04); }
.rm-shell-top{ text-align:center; margin-bottom:34px; }
.rm-shell-eyebrow{ display:inline-flex; align-items:center; gap:6px; font-size:.7rem; font-weight:700; color:var(--text-4); text-transform:uppercase; letter-spacing:.08em; margin-bottom:8px; }
.rm-shell-title{ font-size:1.3rem; font-weight:800; letter-spacing:-.2px; }

.rm-view{ display:none; }
.rm-view.active{ display:block; }

/* ── ROADMAP TREE view ── */
.rm-tree{ position:relative; max-width:760px; margin:0 auto; }
.rm-row{ position:relative; display:flex; align-items:stretch; }
.rm-main-col{ width:340px; flex-shrink:0; position:relative; z-index:2; }
.rm-gap{ width:90px; flex-shrink:0; }
.rm-topics-col{ flex:1; display:flex; flex-direction:column; gap:14px; justify-content:center; position:relative; z-index:2; padding:6px 0; }
.rm-connector-svg{ position:absolute; top:0; left:0; width:100%; height:100%; overflow:visible; pointer-events:none; z-index:1; }
.rm-connector-svg path{ fill:none; stroke:#aab1c0; stroke-width:1.6; }
.rm-spine-wrap{ width:340px; flex-shrink:0; padding-left:22px; height:30px; position:relative; }

.rm-main{
  background:var(--surface); border:1px solid var(--border); border-left:4px solid var(--purple);
  border-radius:14px; padding:16px 18px 16px 16px; box-shadow:0 1px 3px rgba(15,23,42,.06);
  cursor:pointer; transition:transform .15s, box-shadow .15s; position:relative; height:100%;
}
.rm-main:hover{ transform:translateY(-2px); box-shadow:0 10px 24px rgba(109,40,217,.12); }
.rm-main-top{ display:flex; align-items:flex-start; gap:11px; }
.rm-main-icon{ width:32px;height:32px;border-radius:8px; background:var(--surface-2); border:1px solid var(--border); color:var(--text-3); display:flex;align-items:center;justify-content:center; flex-shrink:0; }
.rm-main-eyebrow{ font-size:.64rem; font-weight:800; color:var(--purple); text-transform:uppercase; letter-spacing:.06em; margin-bottom:2px; }
.rm-main-title{ font-size:.92rem; font-weight:800; display:flex; align-items:center; gap:7px; }
.rm-main-desc{ font-size:.78rem; color:var(--text-3); line-height:1.55; margin-top:6px; }
.rm-status-dot{ width:6px; height:6px; border-radius:50%; background:var(--border-2); flex-shrink:0; }
.rm-main.is-done .rm-status-dot, .rm-sub.is-done .rm-status-dot{ background:var(--green); }
.rm-main.is-progress .rm-status-dot, .rm-sub.is-progress .rm-status-dot{ background:var(--blue); }

.rm-sub{
  background:var(--surface); border:1px solid var(--border); border-left:3px solid var(--accent, var(--blue));
  border-radius:10px; padding:9px 13px; display:flex; align-items:center; gap:10px;
  cursor:pointer; box-shadow:0 1px 2px rgba(15,23,42,.04); transition:transform .15s, box-shadow .15s;
  width:fit-content;
}
.rm-sub:hover{ transform:translateY(-2px); box-shadow:0 8px 18px rgba(15,23,42,.08); }
.rm-sub-icon{ width:24px;height:24px;border-radius:7px; background:var(--accent-bg, var(--blue-bg)); color:var(--accent, var(--blue)); display:flex;align-items:center;justify-content:center; flex-shrink:0; }
.rm-sub-label{ font-size:.82rem; font-weight:700; color:var(--text); }

@media (max-width:780px){
  .rm-row{ flex-direction:column; gap:18px; }
  .rm-gap, .rm-connector-svg, .rm-spine-wrap{ display:none; }
  .rm-main-col{ width:100%; }
  .rm-topics-col{ flex-direction:row; flex-wrap:wrap; }
}

/* ── FLOWCHART view — vertical milestone sequence, topics as chips, dashed connector down ── */
.rm-flow{ max-width:640px; margin:0 auto; display:flex; flex-direction:column; align-items:center; }
.rm-flow-node{ width:100%; }
.rm-flow-card{
  background:var(--surface); border:1px solid var(--border); border-left:4px solid var(--purple);
  border-radius:14px; padding:18px 20px; box-shadow:0 1px 3px rgba(15,23,42,.06);
  cursor:pointer; transition:transform .15s, box-shadow .15s;
}
.rm-flow-card:hover{ transform:translateY(-2px); box-shadow:0 10px 24px rgba(109,40,217,.12); }
.rm-flow-top{ display:flex; align-items:flex-start; gap:11px; }
.rm-flow-icon{ width:32px;height:32px;border-radius:8px; background:var(--surface-2); border:1px solid var(--border); color:var(--text-3); display:flex;align-items:center;justify-content:center; flex-shrink:0; }
.rm-flow-eyebrow{ font-size:.64rem; font-weight:800; color:var(--purple); text-transform:uppercase; letter-spacing:.06em; margin-bottom:2px; }
.rm-flow-title{ font-size:.95rem; font-weight:800; display:flex; align-items:center; gap:7px; }
.rm-flow-desc{ font-size:.78rem; color:var(--text-3); line-height:1.55; margin-top:6px; }
.rm-flow-topics{ display:flex; flex-wrap:wrap; gap:8px; margin-top:14px; }
.rm-flow-chip{
  background:var(--surface-2); border:1px solid var(--border-2); border-left:3px solid var(--accent, var(--blue));
  border-radius:8px; padding:6px 11px; display:flex; align-items:center; gap:7px;
  cursor:pointer; transition:transform .15s, box-shadow .15s; font-size:.78rem; font-weight:700; color:var(--text);
}
.rm-flow-chip:hover{ transform:translateY(-2px); box-shadow:0 6px 14px rgba(15,23,42,.08); background:var(--surface); }
.rm-flow-chip-icon{ width:18px;height:18px;border-radius:5px; background:var(--accent-bg, var(--blue-bg)); color:var(--accent, var(--blue)); display:flex;align-items:center;justify-content:center; flex-shrink:0; }
.rm-flow-connector{ width:20px; height:34px; position:relative; flex-shrink:0; }
.rm-flow-connector svg{ position:absolute; left:50%; transform:translateX(-50%); top:0; }

/* ── shared icon sizing ── */
svg.icon{ width:15px; height:15px; stroke:currentColor; stroke-width:2; fill:none; stroke-linecap:round; stroke-linejoin:round; }
.rm-main-icon svg.icon, .rm-flow-icon svg.icon{ width:16px; height:16px; }

/* ============================================================
   RESOURCE DETAIL PANEL — shared by both views
   ============================================================ */
.rm-overlay{ position:fixed; inset:0; background:rgba(15,23,42,.35); z-index:90; opacity:0; pointer-events:none; transition:opacity .2s; }
.rm-overlay.open{ opacity:1; pointer-events:auto; }
.rm-panel{ position:fixed; top:0; right:0; height:100%; width:420px; max-width:92vw; background:var(--surface); border-left:1px solid var(--border); z-index:91; transform:translateX(100%); transition:transform .25s ease; display:flex; flex-direction:column; box-shadow:-8px 0 30px rgba(15,23,42,.08); }
.rm-panel.open{ transform:translateX(0); }
.rm-panel-head{ display:flex; align-items:center; justify-content:space-between; gap:10px; padding:14px 16px; border-bottom:1px solid var(--border); flex-wrap:wrap; }
.rm-panel-tabs{ display:flex; gap:6px; }
.rm-ptab{ font-size:.76rem; font-weight:700; padding:7px 13px; border-radius:8px; border:1px solid var(--border-2); background:var(--surface-2); color:var(--text-3); cursor:pointer; display:flex; align-items:center; gap:6px; }
.rm-ptab.active{ background:var(--text); color:#fff; border-color:var(--text); }
.rm-panel-right{ display:flex; align-items:center; gap:8px; }
.rm-status-select{ background:var(--surface-2); color:var(--text-3); border:1px solid var(--border-2); border-radius:8px; padding:6px 10px; font-size:.76rem; font-weight:600; font-family:inherit; }
.rm-close-btn{ width:30px;height:30px;border-radius:8px;border:1px solid var(--border-2); background:var(--surface-2); color:var(--text-3); cursor:pointer; display:flex; align-items:center; justify-content:center; }
.rm-close-btn:hover{ color:var(--text); }
.rm-panel-body{ padding:22px 20px 30px; overflow-y:auto; flex:1; }
.rm-panel-title{ font-size:1.3rem; font-weight:800; margin:0 0 8px; letter-spacing:-.3px; }
.rm-panel-desc{ color:var(--text-3); font-size:.88rem; line-height:1.65; margin:0 0 22px; }
.rm-res-box{ border:1px solid var(--border); border-radius:12px; padding:14px 16px; margin-bottom:14px; }
.rm-res-box-title{ font-size:.82rem; font-weight:700; display:flex; align-items:center; gap:7px; margin-bottom:11px; }
.rm-res-box-title.free svg{ stroke:var(--red); }
.rm-res-box-title.premium svg{ stroke:var(--purple); }
.rm-res-row{ display:flex; align-items:center; gap:9px; padding:6px 0; font-size:.83rem; flex-wrap:wrap; }
.rm-res-row a{ color:var(--text); text-decoration:underline; text-decoration-color:var(--border-2); }
.rm-res-row a:hover{ color:var(--blue); }
.rm-badge{ font-size:.62rem; font-weight:800; padding:3px 8px; border-radius:6px; flex-shrink:0; }
.rm-badge.official{ background:var(--blue); color:#fff; }
.rm-badge.article{ background:var(--purple); color:#fff; }
.rm-badge.video{ background:#a855f7; color:#fff; }
.rm-badge.feed{ background:#ec4899; color:#fff; }
.rm-badge.course{ background:var(--aws); color:#fff; }
.rm-badge.off{ background:var(--green); color:#fff; }
.rm-ai-pane{ font-size:.85rem; color:var(--text-3); line-height:1.7; }
.rm-ai-pane textarea{ width:100%; min-height:90px; background:var(--surface-2); border:1px solid var(--border-2); border-radius:10px; color:var(--text); padding:10px; font-family:inherit; font-size:.83rem; resize:vertical; margin-top:14px; }
.rm-ai-pane button{ margin-top:10px; background:var(--purple); color:#fff; border:none; border-radius:8px; padding:9px 16px; font-weight:700; font-size:.8rem; cursor:pointer; }