/* ============================================================================
   Catalog layout — additive helpers for product catalog/index pages (M3).
   Plain CSS reusing the M1 design tokens (--pw-*). No recompile needed.
   ============================================================================ */
.cat-hero { padding: 28px 0 24px; border-bottom: 1px solid var(--pw-border); }
.cat-hero h1 { font-size: 2rem; font-weight: 700; letter-spacing: -.02em; margin: 6px 0 8px; }
.cat-hero p { color: var(--pw-text-muted); max-width: 68ch; font-size: 1.0625rem; margin: 0 0 14px; }
.cat-hero .cat-metarow { display: flex; gap: 18px; flex-wrap: wrap; font-size: .875rem; color: var(--pw-text-subtle); }
.cat-hero .cat-metarow strong { color: var(--pw-text); }

.cat-section { padding: 26px 0; border-bottom: 1px solid var(--pw-border); }
.cat-section:last-child { border-bottom: 0; }
.cat-section > h2 { font-size: 1.25rem; font-weight: 700; margin: 0 0 4px; }
.cat-section > .cat-sub { color: var(--pw-text-subtle); font-size: .875rem; margin: 0 0 16px; }

.cat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 16px; }

.cat-card { display: flex; flex-direction: column; }
.cat-card .cat-card-body { padding: 18px; display: flex; flex-direction: column; height: 100%; }
.cat-card h3 { font-size: 1.0625rem; font-weight: 600; margin: 0 0 6px; display: flex; align-items: center; gap: 8px; }
.cat-card .cat-learn { color: var(--pw-text-muted); font-size: .9375rem; margin: 0 0 12px; }
.cat-card .cat-concepts { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 12px; }
.cat-card .cat-meta { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; font-size: .75rem; color: var(--pw-text-subtle); margin: 0 0 14px; }
.cat-card .cat-meta .m { display: inline-flex; align-items: center; gap: 5px; }
.cat-card .cat-cta { margin-top: auto; display: flex; gap: 8px; align-items: center; }

/* difficulty pill (reuses accent) */
.cat-diff { display: inline-flex; align-items: center; gap: 6px; }
.cat-diff .d { width: 7px; height: 7px; border-radius: 9999px; background: var(--pw-border-strong); }
.cat-diff .d.on { background: var(--pw-accent); }

@media (max-width: 640px) { .cat-hero h1 { font-size: 1.6rem; } }

/* ============================================================================
   PRODUCT HUB (M3.1) — standardized hub sections. Reuses --pw-* tokens only;
   introduces no new colors, type, or spacing scale beyond the M1 system.
   ============================================================================ */
.hub-sec { scroll-margin-top: 80px; }

/* ---- Hero (product overview + "what you'll learn") ---- */
.hub-hero { display: grid; grid-template-columns: 1.6fr 1fr; gap: 32px; align-items: start; }
.hub-hero-main h1 { font-size: 2rem; font-weight: 700; letter-spacing: -.02em; margin: 12px 0 8px; }
.hub-hero-tag { color: var(--pw-text-muted); font-size: 1.0625rem; max-width: 60ch; margin: 0 0 10px; }
.hub-hero-why { color: var(--pw-text-subtle); font-size: .9375rem; max-width: 62ch; margin: 0 0 16px; }
.hub-hero .cat-metarow { margin-bottom: 18px; }
.hub-hero-cta { display: flex; gap: 10px; flex-wrap: wrap; }
.hub-hero-teach { border: 1px solid var(--pw-border); border-radius: 14px; padding: 18px; background: var(--pw-surface-1, transparent); }
.hub-hero-teach .hub-teach-k { font-weight: 600; font-size: .8125rem; text-transform: uppercase; letter-spacing: .04em; color: var(--pw-text-subtle); margin-bottom: 10px; }
.hub-hero-teach ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.hub-hero-teach li { display: flex; align-items: center; gap: 8px; font-size: .9375rem; color: var(--pw-text); }
.hub-hero-teach li .pw-ico { color: var(--pw-green); flex: none; }

/* ---- Overview ---- */
.hub-overview { color: var(--pw-text-muted); font-size: 1rem; max-width: 74ch; margin: 0 0 14px; }
.hub-hl-row { display: flex; gap: 18px; flex-wrap: wrap; }
.hub-hl { display: inline-flex; align-items: center; gap: 6px; font-size: .875rem; color: var(--pw-text); }
.hub-hl .pw-ico { color: var(--pw-green); }

/* ---- Learning Paths ---- */
.hub-paths { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.hub-path { border: 1px solid var(--pw-border); border-radius: 14px; padding: 16px; }
.hub-path-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.hub-path-t { font-weight: 700; font-size: 1rem; }
.hub-path-s { font-size: .8125rem; color: var(--pw-text-subtle); }
.hub-path-rows { display: grid; gap: 4px; }
.hub-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 10px; border-radius: 9px; text-decoration: none; color: var(--pw-text); transition: background-color .15s ease; }
.hub-row:hover { background: var(--pw-surface-2, var(--pw-border)); }
.hub-row-off { opacity: .6; cursor: default; }
.hub-row-t { display: inline-flex; align-items: center; gap: 8px; font-size: .9375rem; font-weight: 500; }
.hub-row-r { display: inline-flex; align-items: center; gap: 8px; font-size: .75rem; color: var(--pw-text-subtle); }
.hub-row-time { display: inline-flex; align-items: center; gap: 4px; }
.hub-row-check { color: var(--pw-green); display: inline-flex; }

/* ---- Full module card additions ---- */
.hub-card .hub-card-top { display: flex; gap: 6px; align-items: center; margin: 0 0 8px; min-height: 20px; }
.hub-card .hub-outcome-k { font-weight: 600; color: var(--pw-text); }
.hub-card .hub-line { display: flex; gap: 8px; align-items: baseline; margin: 0 0 8px; font-size: .75rem; }
.hub-card .hub-line-k { color: var(--pw-text-subtle); text-transform: uppercase; letter-spacing: .04em; flex: none; min-width: 82px; }
.hub-card .hub-line-v { display: flex; gap: 6px; flex-wrap: wrap; color: var(--pw-text-muted); }
.hub-card .hub-related-labs { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; font-size: .75rem; margin: 2px 0 12px; }
.hub-card .hub-rl-label { color: var(--pw-text-subtle); text-transform: uppercase; letter-spacing: .04em; }
.hub-card .hub-related-labs a { color: var(--pw-accent); text-decoration: none; }
.hub-card .hub-related-labs a:hover { text-decoration: underline; }
.hub-card .hub-dot { color: var(--pw-border-strong); }
.hub-card .hub-card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.hub-card .hub-updated { font-size: .6875rem; color: var(--pw-text-subtle); white-space: nowrap; }

/* ---- All Modules categories ---- */
.hub-cat { margin: 0 0 26px; }
.hub-cat:last-child { margin-bottom: 0; }
.hub-cat-t { font-size: 1.0625rem; font-weight: 700; margin: 0 0 2px; }
.hub-cat-s { color: var(--pw-text-subtle); font-size: .8125rem; margin: 0 0 14px; }

/* ---- Related Products ---- */
.hub-rel-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }
.hub-rel { display: flex; align-items: center; gap: 12px; padding: 16px; border: 1px solid var(--pw-border); border-radius: 14px; text-decoration: none; color: var(--pw-text); transition: border-color .18s ease, transform .18s ease; }
.hub-rel:hover { border-color: var(--pw-accent); transform: translateY(-1px); }
.hub-rel-ic { color: var(--pw-accent); flex: none; }
.hub-rel-body { display: grid; gap: 2px; }
.hub-rel-t { font-weight: 600; font-size: .9375rem; }
.hub-rel-s { font-size: .75rem; color: var(--pw-text-muted); }
.hub-rel-diff { font-size: .6875rem; color: var(--pw-text-subtle); }
.hub-rel-arrow { margin-left: auto; color: var(--pw-text-subtle); flex: none; }

/* ---- Continue Learning CTA band ---- */
.hub-cta-sec { border-bottom: 0; }
.hub-cta { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 22px; border: 1px solid var(--pw-border); border-radius: 16px; background: var(--pw-surface-1, transparent); }
.hub-cta-t { font-weight: 700; font-size: 1.0625rem; }
.hub-cta-s { color: var(--pw-text-muted); font-size: .875rem; }
.hub-cta-btns { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 860px) { .hub-hero { grid-template-columns: 1fr; gap: 20px; } }

/* header helper: hide secondary guest links on narrow screens (drawer carries nav) */
@media (max-width: 720px) { .hidexs { display: none !important; } }

/* ============================================================================
   PERSONALIZATION (M3.4) — bookmarks, status, journeys, resume, learning paths.
   Reuses --pw-* tokens only; no new design language.
   ============================================================================ */
/* bookmark toggle button */
.pw-bm { display: inline-flex; align-items: center; gap: 6px; background: transparent; border: 1px solid var(--pw-border); border-radius: 8px; padding: 5px 9px; font-size: .75rem; color: var(--pw-text-subtle); cursor: pointer; transition: color .15s ease, border-color .15s ease, background-color .15s ease; }
.pw-bm:hover { color: var(--pw-text); border-color: var(--pw-border-strong); }
.pw-bm .pw-ico { flex: none; }
.pw-bm.on { color: var(--pw-accent); border-color: var(--pw-accent); background: color-mix(in srgb, var(--pw-accent) 8%, transparent); }

/* truthful status chip */
.pw-status { display: inline-flex; align-items: center; gap: 5px; font-size: .6875rem; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; padding: 2px 8px; border-radius: 9999px; border: 1px solid var(--pw-border); color: var(--pw-text-subtle); }
.pw-status.visited { color: var(--pw-green); border-color: color-mix(in srgb, var(--pw-green) 40%, transparent); }

/* continue: resume banner */
.cl-resume { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding: 20px 22px; border: 1px solid var(--pw-border); border-radius: 16px; background: var(--pw-surface-1, transparent); }
.cl-resume .r-k { font-size: .6875rem; text-transform: uppercase; letter-spacing: .05em; color: var(--pw-text-subtle); }
.cl-resume .r-t { font-size: 1.25rem; font-weight: 700; margin: 4px 0 2px; }
.cl-resume .r-s { color: var(--pw-text-muted); font-size: .875rem; }

/* quick-resume chips + recent rows */
.cl-chips { display: flex; gap: 8px; flex-wrap: wrap; }
.cl-chip { display: inline-flex; align-items: center; gap: 7px; padding: 8px 12px; border: 1px solid var(--pw-border); border-radius: 9999px; text-decoration: none; color: var(--pw-text); font-size: .8125rem; }
.cl-chip:hover { border-color: var(--pw-accent); }
.cl-recent { display: grid; gap: 6px; }
.cl-recent-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 11px 14px; border: 1px solid var(--pw-border); border-radius: 10px; text-decoration: none; color: var(--pw-text); }
.cl-recent-row:hover { border-color: var(--pw-accent); }
.cl-recent-row .rr-t { display: inline-flex; align-items: center; gap: 9px; font-weight: 500; font-size: .9375rem; }
.cl-recent-row .rr-m { font-size: .75rem; color: var(--pw-text-subtle); display: inline-flex; align-items: center; gap: 8px; }

/* journeys grid */
.jour-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.jour-card { display: flex; flex-direction: column; gap: 8px; padding: 18px; border: 1px solid var(--pw-border); border-radius: 14px; text-decoration: none; color: var(--pw-text); transition: border-color .18s ease, transform .18s ease; }
.jour-card:hover { border-color: var(--pw-accent); transform: translateY(-1px); }
.jour-card .j-t { font-weight: 700; font-size: 1.0625rem; display: flex; align-items: center; gap: 8px; }
.jour-card .j-s { color: var(--pw-text-muted); font-size: .875rem; }
.jour-card .j-m { margin-top: auto; font-size: .75rem; color: var(--pw-text-subtle); display: flex; gap: 12px; flex-wrap: wrap; }

/* learning-path page */
.path-hero .cat-metarow { margin-top: 10px; }
.path-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; }
.path-meta .pm { border: 1px solid var(--pw-border); border-radius: 12px; padding: 16px; }
.path-meta .pm .k { font-size: .6875rem; text-transform: uppercase; letter-spacing: .05em; color: var(--pw-text-subtle); }
.path-meta .pm .v { font-weight: 600; margin-top: 6px; font-size: .9375rem; }
.path-steps { display: grid; gap: 10px; counter-reset: step; }
.path-step { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border: 1px solid var(--pw-border); border-radius: 12px; text-decoration: none; color: var(--pw-text); }
.path-step:hover { border-color: var(--pw-accent); }
.path-step .ps-n { counter-increment: step; flex: none; width: 30px; height: 30px; border-radius: 9999px; background: var(--pw-surface-2, var(--pw-border)); color: var(--pw-text); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: .875rem; }
.path-step .ps-n::before { content: counter(step); }
.path-step .ps-b { flex: 1; display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.path-step .ps-t { font-weight: 600; font-size: .9375rem; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.path-step .ps-s { color: var(--pw-text-subtle); font-size: .8125rem; }
.path-step .ps-m { font-size: .75rem; color: var(--pw-text-subtle); display: flex; gap: 8px; flex-wrap: wrap; }
.path-step .ps-m > span { display: inline-flex; }
.path-step .ps-go { flex: none; color: var(--pw-accent); }

/* ============================================================================
   SECURITY LABS guide (M4) — category/study pages. Reuses --pw-* tokens only.
   ============================================================================ */
.sec-two { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.sec-two h2 { font-size: 1.125rem; font-weight: 700; margin: 0 0 6px; }
.sec-p { color: var(--pw-text-muted); font-size: .9375rem; margin: 0; max-width: 62ch; }
.sec-blocks { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; }
.sec-block { border: 1px solid var(--pw-border); border-radius: 14px; padding: 18px; }
.sec-block > h3 { font-size: .9375rem; font-weight: 700; margin: 0 0 10px; display: flex; align-items: center; gap: 8px; }
.sec-block > h3 .pw-ico { color: var(--pw-accent); }
.sec-block > p { color: var(--pw-text-muted); font-size: .875rem; margin: 0; }
.sec-block-warn { border-color: color-mix(in srgb, var(--pw-accent) 35%, var(--pw-border)); }
.sec-block-warn > h3 .pw-ico { color: var(--pw-accent); }
.sec-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.sec-list li { position: relative; padding-left: 18px; color: var(--pw-text-muted); font-size: .875rem; }
.sec-list li::before { content: ""; position: absolute; left: 4px; top: 8px; width: 6px; height: 6px; border-radius: 9999px; background: var(--pw-accent); }
.sec-list.mono li { font-family: 'JetBrains Mono', ui-monospace, monospace; font-size: .8125rem; color: var(--pw-text); }
.sec-soon { opacity: .82; }

/* security-hub augment banner (injected only on the security hub) */
.sec-augment { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin: 16px 0 0; padding: 16px 18px; border: 1px solid color-mix(in srgb, var(--pw-accent) 30%, var(--pw-border)); border-radius: 14px; background: color-mix(in srgb, var(--pw-accent) 5%, transparent); }
.sec-augment .sa-t { font-weight: 700; font-size: .9375rem; display: flex; align-items: center; gap: 8px; }
.sec-augment .sa-s { color: var(--pw-text-muted); font-size: .8125rem; }

@media (max-width: 760px) { .sec-two { grid-template-columns: 1fr; gap: 18px; } }