/* ═══════════════════════════════════════════════════════════════════════════════
   SecurityElites.com — Article Component Stylesheet
   Version: 2.0.0 | Theme-integrated
   Covers:  All course & article components — Kali, Bug Bounty, EH, DVWA Labs

   Fonts:   Inherits Orbitron / Sora / JetBrains Mono from theme (already loaded).
   Colours: Mapped to SE Theme tokens (tokens.css) for full cyberpunk consistency.
   Scope:   Single posts + pages. Enqueued only on is_singular() contexts.

   ── Course accent classes ───────────────────────────────────────────────────
   .se-course-kali   Kali Linux     → neon cyan  (#00ffe7)
   .se-course-bb     Bug Bounty     → neon pink  (#ff2d78)
   .se-course-eh     Ethical Hacking→ orange     (#ff8c00)
   .se-course-dvwa   DVWA Labs      → neon green (#00ff88)
   Default (none)                   → neon green (#00ff88)
═══════════════════════════════════════════════════════════════════════════════ */


/* ─── COURSE ACCENT TOKENS ───────────────────────────────────────────────────
   Each course sets its own accent on .se-wrap. Components pull from these.
   ─────────────────────────────────────────────────────────────────────────── */
.se-wrap {
  --se-accent:        var(--clr-green);          /* #00ff88 neon green (default) */
  --se-accent-bg:     rgba(0,255,136,.06);
  --se-accent-border: rgba(0,255,136,.30);
  --se-accent-text:   #86efac;
  --se-accent-glow:   0 0 16px rgba(0,255,136,.25);
}
.se-wrap.se-course-kali {
  --se-accent:        var(--clr-neon);           /* #00ffe7 neon cyan */
  --se-accent-bg:     rgba(0,255,231,.06);
  --se-accent-border: rgba(0,255,231,.30);
  --se-accent-text:   #7dd3fc;
  --se-accent-glow:   0 0 16px rgba(0,255,231,.25);
}
.se-wrap.se-course-bb {
  --se-accent:        var(--clr-neon2);          /* #ff2d78 neon pink */
  --se-accent-bg:     rgba(255,45,120,.06);
  --se-accent-border: rgba(255,45,120,.30);
  --se-accent-text:   #fca5a5;
  --se-accent-glow:   0 0 16px rgba(255,45,120,.25);
}
.se-wrap.se-course-eh {
  --se-accent:        var(--clr-orange);         /* #ff8c00 orange */
  --se-accent-bg:     rgba(255,140,0,.06);
  --se-accent-border: rgba(255,140,0,.30);
  --se-accent-text:   #fdba74;
  --se-accent-glow:   0 0 16px rgba(255,140,0,.25);
}
.se-wrap.se-course-dvwa {
  --se-accent:        var(--clr-green);          /* #00ff88 neon green */
  --se-accent-bg:     rgba(0,255,136,.06);
  --se-accent-border: rgba(0,255,136,.30);
  --se-accent-text:   #86efac;
  --se-accent-glow:   0 0 16px rgba(0,255,136,.25);
}


/* ─── BASE LAYOUT ────────────────────────────────────────────────────────────
   .se-wrap wraps the entire article body content.
   ─────────────────────────────────────────────────────────────────────────── */
.se-wrap {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 0 var(--s9);
  font-family: var(--font-body);
  color: var(--text);
  line-height: 1.8;
  font-size: 16px;
}


/* ─── SECTION HEADINGS ───────────────────────────────────────────────────────  */
h2.se-h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--text-bright);
  background: var(--bg2);
  padding: 14px 20px;
  border-radius: var(--radius-lg);
  margin: var(--s8) 0 var(--s5);
  border-left: 3px solid var(--se-accent);
  letter-spacing: .5px;
}

h3.se-h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--text-bright);
  margin: var(--s7) 0 var(--s4);
  letter-spacing: .3px;
}

p.se-p {
  color: var(--text);
  line-height: 1.85;
  margin-bottom: var(--s4);
  font-size: 15.5px;
}

hr.se-hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--s8) 0;
}


/* ─── SCREENSHOTS / MEDIA MOCKUPS ────────────────────────────────────────────  */
.se-screenshot {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin: var(--s6) 0;
  box-shadow: var(--shadow-hover);
  border: 1px solid var(--border);
}
.se-wm {
  position: absolute;
  top: 10px; right: 14px;
  font-size: 11px;
  color: rgba(255,255,255,.4);
  font-family: var(--font-mono);
  z-index: 2;
  letter-spacing: .5px;
}
.se-caption {
  background: var(--bg);
  padding: 9px 16px;
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  border-top: 1px solid var(--border);
}


/* ─── COURSE PROGRESS BAR ────────────────────────────────────────────────────  */
.se-prog {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px 24px;
  margin-bottom: var(--s7);
  position: relative;
  overflow: hidden;
}
.se-prog::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--se-accent-bg);
  pointer-events: none;
}
.se-prog-top {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
  position: relative;
}
.se-day-badge {
  background: var(--se-accent);
  color: var(--bg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 11px;
  padding: 4px 12px;
  border-radius: var(--radius-lg);
  letter-spacing: .5px;
}
.se-course-lbl {
  color: var(--se-accent);
  font-size: 13px;
  font-weight: 600;
  font-family: var(--font-display);
  letter-spacing: .5px;
}
.se-free {
  background: var(--se-accent-bg);
  border: 1px solid var(--se-accent-border);
  color: var(--se-accent);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 20px;
  margin-left: auto;
  font-family: var(--font-ui);
  letter-spacing: 1px;
}
.se-hub {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  color: var(--text-dim);
  position: relative;
}
.se-hub a {
  color: var(--se-accent);
  text-decoration: none;
  transition: color var(--t-fast);
}
.se-hub a:hover { color: var(--text-bright); }
.se-bar-bg {
  background: var(--bg);
  border-radius: 20px;
  height: 8px;
  margin-top: 12px;
  position: relative;
}
.se-bar {
  background: linear-gradient(90deg, var(--se-accent), var(--clr-neon4));
  height: 8px;
  border-radius: 20px;
  position: relative;
  transition: width .6s ease;
  box-shadow: var(--se-accent-glow);
}
.se-bar-dot {
  position: absolute;
  right: -5px; top: 50%;
  transform: translateY(-50%);
  width: 14px; height: 14px;
  background: var(--se-accent);
  border-radius: 50%;
  box-shadow: var(--se-accent-glow);
}
.se-bar-lbl {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 6px;
  text-align: right;
  font-family: var(--font-mono);
}


/* ─── SERIES NAV STRIP ───────────────────────────────────────────────────────  */
.se-series-nav {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  margin-bottom: var(--s6);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  transition: border-color var(--t-fast);
}
.se-series-nav:hover { border-color: var(--se-accent-border); }
.se-series-nav .sn-title {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--se-accent);
  font-size: 12px;
  letter-spacing: .5px;
}
.se-series-nav .sn-meta {
  color: var(--text-dim);
  font-size: 12px;
  font-family: var(--font-mono);
}
.se-series-nav a {
  color: var(--clr-blue);
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  transition: color var(--t-fast);
}
.se-series-nav a:hover { color: var(--clr-neon); }


/* ─── LEGAL DISCLAIMER ───────────────────────────────────────────────────────  */
.se-legal {
  background: rgba(255,230,0,.04);
  border-left: 3px solid var(--clr-neon3);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 14px 18px;
  margin-bottom: var(--s7);
  font-size: 13px;
  color: rgba(255,230,0,.85);
  line-height: 1.7;
}
.se-legal strong { color: var(--clr-neon3); }


/* ─── HOOK PARAGRAPH ─────────────────────────────────────────────────────────  */
.se-hook {
  background: linear-gradient(135deg, var(--bg2), var(--bg3));
  border-left: 3px solid var(--clr-neon2);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 20px 24px;
  margin-bottom: var(--s7);
  font-size: 17px;
  font-weight: 600;
  color: var(--text-bright);
  line-height: 1.6;
  font-family: var(--font-ui);
}


/* ─── ACHIEVEMENT BANNER ─────────────────────────────────────────────────────  */
.se-ach {
  background: var(--bg2);
  border: 1px solid var(--se-accent-border);
  border-radius: 14px;
  padding: 20px 24px;
  margin-bottom: var(--s7);
  position: relative;
  overflow: hidden;
}
.se-ach::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--se-accent-bg);
  pointer-events: none;
}
.se-ach h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--se-accent);
  font-size: 13px;
  margin-bottom: 12px;
  letter-spacing: .5px;
  position: relative;
}
.se-out {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 14px;
  color: var(--text);
  position: relative;
}
.se-out::before { content: "✅"; flex-shrink: 0; }
.se-rt {
  background: var(--se-accent-bg);
  border: 1px solid var(--se-accent-border);
  color: var(--se-accent);
  font-size: 11px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  display: inline-block;
  margin-top: 12px;
  font-family: var(--font-ui);
  letter-spacing: 1px;
  position: relative;
}


/* ─── DIFFICULTY POLL ────────────────────────────────────────────────────────  */
.se-poll {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  margin-bottom: var(--s7);
}
.se-poll h4 {
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--text-bright);
  font-size: 13px;
  margin-bottom: 14px;
  letter-spacing: .5px;
}
.se-pb {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  margin-bottom: 8px;
  font-family: var(--font-body);
  transition: border-color var(--t-fast), color var(--t-fast), box-shadow var(--t-fast);
}
.se-pb:hover {
  border-color: var(--se-accent-border);
  color: var(--text-bright);
  box-shadow: var(--se-accent-glow);
}
.se-pc {
  display: none;
  background: var(--se-accent-bg);
  border: 1px solid var(--se-accent-border);
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  color: var(--se-accent);
  font-size: 13px;
  margin-top: 8px;
}


/* ─── CODE COMMAND BLOCKS ────────────────────────────────────────────────────  */
.se-cmd {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin: var(--s5) 0;
  overflow: hidden;
}
.se-cmd-hdr {
  background: var(--bg2);
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.se-cmd-lbl {
  font-size: 11px;
  color: var(--text-dim);
  font-family: var(--font-mono);
  letter-spacing: .5px;
}
.se-cp {
  background: rgba(0,255,231,.08);
  color: var(--clr-neon);
  border: 1px solid var(--border);
  padding: 4px 12px;
  border-radius: var(--radius);
  font-size: 11px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: background var(--t-fast), border-color var(--t-fast);
}
.se-cp:hover {
  background: rgba(0,255,231,.16);
  border-color: var(--border-hover);
}
.se-cmd-body {
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 2;
  overflow-x: auto;
  color: var(--text-code);
}
/* Syntax highlight helpers */
.se-cmd .cg { color: var(--clr-green); }     /* green  — success, output   */
.se-cmd .cc { color: var(--text-dim); }       /* grey   — comments          */
.se-cmd .cy { color: var(--clr-neon3); }      /* yellow — flags, warnings   */
.se-cmd .cb { color: var(--clr-blue); }       /* blue   — options           */
.se-cmd .cr { color: var(--clr-neon2); }      /* red    — errors, danger    */
.se-cmd .cw { color: var(--text-bright); }    /* white  — commands          */
.se-cmd .cm { color: var(--clr-neon4); }      /* purple — special tokens    */


/* ─── TIP / WARNING CALLOUTS ─────────────────────────────────────────────────  */
.se-tip {
  border-left: 3px solid var(--clr-green);
  background: rgba(0,255,136,.05);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 14px 18px;
  margin: var(--s5) 0;
  font-size: 14px;
  color: rgba(0,255,136,.9);
}
.se-tip strong { color: var(--clr-green); }

.se-warn {
  border-left: 3px solid var(--clr-neon3);
  background: rgba(255,230,0,.04);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 14px 18px;
  margin: var(--s5) 0;
  font-size: 14px;
  color: rgba(255,230,0,.85);
}
.se-warn strong { color: var(--clr-neon3); }


/* ─── EXERCISE BLOCKS ────────────────────────────────────────────────────────
   Base structure shared by all exercise types.
   ─────────────────────────────────────────────────────────────────────────── */
.se-ex {
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 20px 24px;
  margin: var(--s7) 0;
}
.se-ex .exh {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 10px;
  font-family: var(--font-ui);
}
.se-ex .ext {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 15px;
  margin-bottom: 12px;
  letter-spacing: .3px;
}
.se-ex .exb { font-size: 14px; line-height: 1.8; }
.se-ex .exc {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  margin: 10px 0;
  white-space: pre;
  overflow-x: auto;
}
.se-ex .exl {
  border-radius: var(--radius-lg);
  padding: 12px 16px;
  margin-top: 12px;
  font-size: 13px;
}

/* Type 1 — Browser / No Tools */
.se-ex.ex1 {
  background: rgba(0,255,136,.05);
  border-left: 3px solid var(--clr-green);
}
.se-ex.ex1 .exh { color: var(--clr-green); }
.se-ex.ex1 .ext { color: rgba(0,255,136,.9); }
.se-ex.ex1 .exb { color: rgba(0,255,136,.75); }
.se-ex.ex1 .exc { background: var(--bg); color: #86efac; }
.se-ex.ex1 .exl { background: rgba(0,255,136,.08); color: var(--clr-green); border: 1px solid rgba(0,255,136,.2); }

/* Type 2 — TryHackMe / PortSwigger Online */
.se-ex.ex2 {
  background: rgba(255,230,0,.04);
  border-left: 3px solid var(--clr-neon3);
}
.se-ex.ex2 .exh { color: var(--clr-neon3); }
.se-ex.ex2 .ext { color: rgba(255,230,0,.9); }
.se-ex.ex2 .exb { color: rgba(255,230,0,.75); }
.se-ex.ex2 .exc { background: var(--bg); color: rgba(255,230,0,.85); }
.se-ex.ex2 .exl { background: rgba(255,230,0,.06); color: var(--clr-neon3); border: 1px solid rgba(255,230,0,.2); }

/* Type 3 — Kali Terminal / Lab Machine */
.se-ex.ex3 {
  background: rgba(0,255,231,.03);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}
.se-ex.ex3 .exh { color: var(--clr-neon); }
.se-ex.ex3 .ext { color: var(--text-bright); }
.se-ex.ex3 .exb { color: var(--text); }
.se-ex.ex3 .exc { background: var(--bg); color: var(--clr-green); }
.se-ex.ex3 .exl { background: var(--bg); border: 1px solid var(--border-hover); color: var(--clr-green); }

/* Type 4 — Think Like a Hacker */
.se-ex.ex4 {
  background: rgba(168,85,247,.05);
  border-left: 3px solid var(--clr-neon4);
}
.se-ex.ex4 .exh { color: var(--clr-neon4); }
.se-ex.ex4 .ext { color: rgba(192,132,252,.9); }
.se-ex.ex4 .exb { color: rgba(168,85,247,.85); }
.se-ex.ex4 .exc { background: var(--bg); color: #e9d5ff; }
.se-ex.ex4 .exl { background: rgba(168,85,247,.08); color: var(--clr-neon4); border: 1px solid rgba(168,85,247,.2); }


/* ─── SECTION QUIZ ───────────────────────────────────────────────────────────  */
.se-quiz {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  margin: var(--s7) 0;
}
.se-quiz h4 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--se-accent);
  font-size: 13px;
  margin-bottom: 14px;
  letter-spacing: .5px;
}
.se-quiz .sq { margin-bottom: var(--s5); }
.se-quiz .sq-t {
  font-size: 14px;
  color: var(--text-bright);
  margin-bottom: 8px;
  font-weight: 600;
}
.se-quiz .sq-o {
  display: block;
  width: 100%;
  text-align: left;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 8px 14px;
  color: var(--text-dim);
  font-size: 13px;
  cursor: pointer;
  margin-bottom: 4px;
  font-family: var(--font-body);
  transition: border-color var(--t-fast), color var(--t-fast);
}
.se-quiz .sq-o:hover:not(:disabled) {
  border-color: var(--border-hover);
  color: var(--text-bright);
}
.se-quiz .sq-r {
  display: none;
  font-size: 12px;
  padding: 8px 12px;
  border-radius: var(--radius-lg);
  margin-top: 4px;
  font-weight: 600;
  font-family: var(--font-mono);
}
.se-quiz .sq-r.ok {
  background: rgba(0,255,136,.08);
  color: var(--clr-green);
  border: 1px solid rgba(0,255,136,.2);
}
.se-quiz .sq-r.no {
  background: rgba(255,45,120,.08);
  color: var(--clr-neon2);
  border: 1px solid rgba(255,45,120,.2);
}


/* ─── COMMANDS TODAY CARD ────────────────────────────────────────────────────  */
.se-today {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  margin: var(--s8) 0;
}
.se-today h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-bright);
  font-size: 14px;
  margin-bottom: var(--s5);
  letter-spacing: .5px;
}
.se-cr {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
  align-items: flex-start;
  flex-wrap: wrap;
}
.se-cc {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--clr-green);
  background: var(--bg);
  padding: 4px 10px;
  border-radius: var(--radius);
  flex-shrink: 0;
  word-break: break-all;
  border: 1px solid var(--border);
}
.se-cd { font-size: 13px; color: var(--text-dim); }


/* ─── MARK AS COMPLETE / STREAK ──────────────────────────────────────────────  */
.se-done {
  background: var(--bg2);
  border: 1px solid var(--se-accent-border);
  border-radius: 14px;
  padding: 20px 24px;
  margin: var(--s8) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.se-done::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--se-accent-bg);
  pointer-events: none;
}
.se-done h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--se-accent);
  font-size: 14px;
  margin-bottom: 10px;
  letter-spacing: .5px;
  position: relative;
}
.se-done p {
  font-size: 13px;
  color: var(--text-dim);
  margin-bottom: var(--s4);
  position: relative;
}
.se-done-btn {
  background: var(--se-accent);
  color: var(--bg);
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius-lg);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  font-family: var(--font-display);
  transition: opacity var(--t-fast), box-shadow var(--t-fast);
  letter-spacing: .5px;
  position: relative;
}
.se-done-btn:hover {
  opacity: .88;
  box-shadow: var(--se-accent-glow);
}
.se-done-btn.done {
  opacity: .5;
  cursor: default;
}
.se-streak-msg {
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 10px;
  display: block;
  position: relative;
}


/* ─── COLLAPSIBLE FAQs ───────────────────────────────────────────────────────  */
.se-faqs h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-bright);
  font-size: 16px;
  margin-bottom: var(--s5);
  letter-spacing: .5px;
}
details.fq {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 8px;
  overflow: hidden;
  transition: border-color var(--t-fast);
}
details.fq[open] { border-color: var(--border-hover); }
details.fq summary {
  padding: 14px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-bright);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  font-family: var(--font-ui);
  user-select: none;
}
details.fq summary::-webkit-details-marker { display: none; }
details.fq summary::after {
  content: "▼";
  font-size: 10px;
  color: var(--text-dim);
  flex-shrink: 0;
  transition: transform var(--t-fast), color var(--t-fast);
}
details.fq[open] summary::after {
  transform: rotate(180deg);
  color: var(--se-accent);
}
.fq-b {
  padding: 12px 18px 16px;
  font-size: 13px;
  color: var(--text);
  line-height: 1.8;
  border-top: 1px solid var(--border);
}


/* ─── BOTTOM NAVIGATION ──────────────────────────────────────────────────────  */
.se-nav {
  display: flex;
  gap: 12px;
  margin: var(--s8) 0;
  flex-wrap: wrap;
}
.se-nav > div {
  flex: 1;
  min-width: 140px;
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  color: var(--text-bright);
  font-size: 13px;
  font-weight: 600;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  cursor: pointer;
}
.se-nav > div:hover {
  border-color: var(--se-accent-border);
  box-shadow: var(--se-accent-glow);
}
.se-nav .lbl {
  font-size: 11px;
  color: var(--text-dim);
  margin-bottom: 4px;
  display: block;
  font-family: var(--font-mono);
  letter-spacing: .5px;
}
.se-nav .bar {
  background: var(--bg);
  border-radius: 20px;
  height: 3px;
  margin-top: 10px;
}
.se-nav .bar-f {
  background: var(--se-accent);
  height: 3px;
  border-radius: 20px;
  box-shadow: var(--se-accent-glow);
}


/* ─── FURTHER READING ────────────────────────────────────────────────────────  */
.se-further {
  background: var(--bg2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  margin: var(--s8) 0;
  transition: border-color var(--t-fast);
}
.se-further:hover { border-color: var(--border-hover); }
.se-further h3 {
  font-family: var(--font-display);
  font-weight: 700;
  color: var(--text-bright);
  font-size: 14px;
  margin-bottom: var(--s4);
  letter-spacing: .5px;
}
.se-further ul { list-style: none; padding: 0; margin: 0; }
.se-further li {
  margin-bottom: 10px;
  font-size: 14px;
  padding-left: 18px;
  position: relative;
}
.se-further li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--se-accent);
}
.se-further a {
  color: var(--clr-blue);
  text-decoration: none;
  transition: color var(--t-fast);
}
.se-further a:hover { color: var(--clr-neon); }
.se-further .d {
  color: var(--text-dim);
  font-size: 13px;
  display: block;
  margin-top: 2px;
  font-family: var(--font-mono);
}


/* ─── RESPONSIVE ──────────────────────────────────────────────────────────────  */
@media (max-width: 640px) {
  .se-wrap { padding: 0 0 var(--s7); }
  h2.se-h2 { font-size: 1.1rem; padding: 12px 16px; }
  .se-hook { font-size: 15px; }
  .se-cmd-body { font-size: 11px; }
  .se-nav { flex-direction: column; }
  .se-prog { padding: 14px 16px; }
  .se-ach, .se-quiz, .se-today { padding: 16px 18px; }
}