/* AGENT-M Ethical Hacker's Codex — Guide Stylesheet */
:root {
  --c:  #3df0ff;
  --cd: #1a6e7a;
  --g:  #00ff41;
  --gd: #006622;
  --r:  #ff2244;
  --y:  #f59e0b;
  --bg: #020608;
  --bg2:#0a1520;
  --ink:#dff6fb;
  --dim:#64748b;
  --nav-w: 260px;
  --font-mono: 'Share Tech Mono', 'Fira Code', monospace;
  --font-ui: 'Rajdhani', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; background: var(--bg); color: var(--ink); font-family: var(--font-mono); }

/* ── Scanlines ── */
body::before {
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 999;
  background: repeating-linear-gradient(0deg, rgba(0,255,65,.018) 0, rgba(0,255,65,.018) 1px, transparent 1px, transparent 3px);
}

/* ── Layout ── */
.layout { display: flex; height: 100vh; overflow: hidden; }

/* ── Sidebar ── */
.sidebar {
  width: var(--nav-w); flex-shrink: 0;
  background: var(--bg2); border-right: 1px solid var(--gd);
  display: flex; flex-direction: column; overflow: hidden;
}
.sidebar-header {
  padding: 20px 16px 12px;
  border-bottom: 1px solid var(--gd);
}
.sidebar-logo {
  font-family: var(--font-ui); font-size: 18px; font-weight: 700;
  color: var(--c); letter-spacing: 4px;
}
.sidebar-sub { font-size: 9px; color: var(--dim); letter-spacing: 3px; margin-top: 3px; }

.nav-list { flex: 1; overflow-y: auto; padding: 10px 0; }
.nav-section-title {
  font-size: 8px; letter-spacing: 3px; color: var(--gd);
  padding: 12px 16px 4px; text-transform: uppercase;
}
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 16px; font-size: 10px; letter-spacing: 1px; color: var(--dim);
  cursor: pointer; border: none; background: none; width: 100%; text-align: left;
  transition: all .15s; border-left: 2px solid transparent;
}
.nav-item:hover { color: var(--c); background: rgba(61,240,255,.04); border-left-color: var(--cd); }
.nav-item.active { color: var(--g); background: rgba(0,255,65,.06); border-left-color: var(--g); }
.nav-item.done .nav-check { color: var(--g); }
.nav-num { font-size: 9px; color: var(--cd); min-width: 22px; }
.nav-check { font-size: 10px; color: var(--dim); margin-left: auto; }

.sidebar-footer {
  padding: 12px 16px; border-top: 1px solid var(--gd); font-size: 8px; color: var(--dim);
}
.progress-bar {
  width: 100%; height: 3px; background: var(--gd); border-radius: 2px; margin: 6px 0;
}
.progress-fill { height: 100%; background: var(--g); border-radius: 2px; transition: width .4s; }

/* ── Content area ── */
.content {
  flex: 1; overflow-y: auto; padding: 40px 48px;
  max-width: 860px; margin: 0 auto;
}

/* ── Chapter styles ── */
.chapter-header { margin-bottom: 32px; }
.chapter-label {
  font-size: 9px; letter-spacing: 4px; color: var(--cd); text-transform: uppercase; margin-bottom: 8px;
}
.chapter-title {
  font-family: var(--font-ui); font-size: 2rem; font-weight: 700; color: var(--c);
  letter-spacing: 2px; line-height: 1.2;
}
.chapter-subtitle { font-size: 12px; color: var(--dim); margin-top: 8px; letter-spacing: 2px; }
.chapter-divider {
  height: 1px; background: linear-gradient(to right, var(--gd), transparent);
  margin: 20px 0 32px;
}

/* ── Quote block ── */
.quote {
  border-left: 3px solid var(--c); padding: 16px 20px;
  background: rgba(61,240,255,.04); margin: 24px 0; border-radius: 0 6px 6px 0;
}
.quote-text { font-size: 14px; color: var(--c); line-height: 1.8; font-style: italic; }
.quote-source { font-size: 10px; color: var(--dim); margin-top: 8px; letter-spacing: 2px; }
.quote-original { font-size: 11px; color: var(--gd); margin-top: 4px; }

/* ── Body text ── */
.prose { line-height: 1.9; font-size: 13px; color: rgba(223,246,251,.85); }
.prose p { margin-bottom: 16px; }
.prose strong { color: var(--c); }
.prose em { color: var(--y); font-style: normal; }
.prose a { color: var(--g); text-decoration: none; border-bottom: 1px dashed var(--gd); }
.prose a:hover { color: var(--c); }

h2 { font-family: var(--font-ui); font-size: 1.2rem; color: var(--c); letter-spacing: 2px; margin: 32px 0 12px; }
h3 { font-size: 11px; letter-spacing: 3px; color: var(--g); text-transform: uppercase; margin: 24px 0 10px; }

/* ── Exercise box ── */
.exercise {
  border: 1px solid var(--gd); background: var(--bg2); border-radius: 6px;
  margin: 24px 0; overflow: hidden;
}
.exercise-header {
  background: rgba(0,102,34,.3); padding: 10px 16px;
  display: flex; align-items: center; gap: 10px;
  border-bottom: 1px solid var(--gd);
}
.exercise-tag {
  font-size: 8px; letter-spacing: 3px; color: var(--g);
  border: 1px solid var(--gd); padding: 2px 8px; border-radius: 3px;
}
.exercise-title { font-size: 11px; color: var(--ink); letter-spacing: 1px; }
.exercise-body { padding: 16px; }
.exercise-body p { font-size: 12px; color: var(--dim); margin-bottom: 12px; }

/* ── Code / Terminal ── */
.terminal {
  background: #000; border: 1px solid var(--gd); border-radius: 4px;
  padding: 14px 16px; margin: 10px 0; font-size: 12px;
  color: var(--g); line-height: 1.7; position: relative;
}
.terminal .prompt { color: var(--cd); }
.terminal .cmd { color: var(--g); }
.terminal .output { color: rgba(0,255,65,.6); }
.terminal .comment { color: var(--gd); font-style: italic; }
.copy-btn {
  position: absolute; top: 8px; right: 8px;
  background: rgba(0,102,34,.4); border: 1px solid var(--gd);
  color: var(--g); font-size: 9px; letter-spacing: 1px; padding: 3px 8px;
  cursor: pointer; font-family: var(--font-mono); border-radius: 3px;
}
.copy-btn:hover { background: rgba(0,102,34,.7); }
.copy-btn.copied { color: var(--c); border-color: var(--c); }

/* ── Try This button ── */
.try-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; border: 1px solid var(--c); color: var(--c);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 2px;
  padding: 8px 20px; cursor: pointer; border-radius: 3px;
  text-decoration: none; margin-top: 8px; transition: all .2s;
}
.try-btn:hover { background: rgba(61,240,255,.08); box-shadow: 0 0 12px rgba(61,240,255,.2); }
.try-btn-icon { font-size: 14px; }

/* ── Quiz ── */
.quiz { margin: 24px 0; }
.quiz-title { font-size: 9px; letter-spacing: 3px; color: var(--y); margin-bottom: 12px; }
.quiz-q {
  background: rgba(245,158,11,.05); border: 1px solid rgba(245,158,11,.2);
  border-radius: 4px; padding: 12px 16px; margin-bottom: 10px;
}
.quiz-q-text { font-size: 12px; margin-bottom: 10px; color: var(--ink); }
.quiz-opts { display: flex; flex-direction: column; gap: 6px; }
.quiz-opt {
  background: none; border: 1px solid rgba(245,158,11,.15);
  color: var(--dim); font-family: var(--font-mono); font-size: 11px;
  padding: 6px 12px; cursor: pointer; text-align: left; border-radius: 3px;
  transition: all .15s;
}
.quiz-opt:hover { border-color: var(--y); color: var(--y); }
.quiz-opt.correct { border-color: var(--g); color: var(--g); background: rgba(0,255,65,.06); }
.quiz-opt.wrong { border-color: var(--r); color: var(--r); background: rgba(255,34,68,.06); }
.quiz-feedback { font-size: 11px; margin-top: 8px; padding: 6px 10px; border-radius: 3px; display: none; }
.quiz-feedback.show { display: block; }
.quiz-feedback.ok { color: var(--g); background: rgba(0,255,65,.06); }
.quiz-feedback.nok { color: var(--r); background: rgba(255,34,68,.06); }

/* ── Nav buttons ── */
.chapter-nav {
  display: flex; justify-content: space-between; align-items: center;
  margin-top: 48px; padding-top: 20px; border-top: 1px solid var(--gd);
}
.nav-btn {
  background: none; border: 1px solid var(--cd); color: var(--cd);
  font-family: var(--font-mono); font-size: 10px; letter-spacing: 2px;
  padding: 8px 20px; cursor: pointer; border-radius: 3px; transition: all .2s;
}
.nav-btn:hover { border-color: var(--c); color: var(--c); }
.nav-btn:disabled { opacity: .3; cursor: default; }
.nav-btn.primary { border-color: var(--g); color: var(--g); }
.nav-btn.primary:hover { background: rgba(0,255,65,.08); }

/* ── Pledge / Smart Contract ── */
.pledge-box {
  border: 1px solid var(--c); border-radius: 6px; padding: 24px;
  background: rgba(61,240,255,.03); margin: 24px 0;
  position: relative;
}
.pledge-box::before {
  content: "SERMENT ÉTHIQUE — AGENT-M v1.0";
  position: absolute; top: -8px; left: 20px;
  background: var(--bg); padding: 0 10px;
  font-size: 9px; letter-spacing: 3px; color: var(--c);
}
.pledge-text { font-size: 12px; line-height: 2; color: var(--ink); }
.pledge-text li { margin: 4px 0 4px 20px; }
.pledge-warning {
  font-size: 9px; color: var(--y); letter-spacing: 1px; margin-top: 12px;
  border-top: 1px dashed rgba(245,158,11,.3); padding-top: 10px;
}

.sign-section { text-align: center; margin: 32px 0; }
.sign-btn {
  background: rgba(61,240,255,.06); border: 1px solid var(--c);
  color: var(--c); font-family: var(--font-mono); font-size: 12px;
  letter-spacing: 3px; padding: 14px 40px; cursor: pointer;
  border-radius: 4px; transition: all .3s;
}
.sign-btn:hover { background: rgba(61,240,255,.12); box-shadow: 0 0 20px rgba(61,240,255,.25); }
.sign-status { font-size: 10px; color: var(--dim); margin-top: 12px; letter-spacing: 1px; }
.sign-status.signed { color: var(--g); }

.eth-info {
  display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin: 16px 0;
}
.eth-card {
  background: var(--bg2); border: 1px solid var(--gd); border-radius: 4px;
  padding: 12px 14px;
}
.eth-card-label { font-size: 8px; letter-spacing: 3px; color: var(--cd); margin-bottom: 4px; }
.eth-card-value { font-size: 11px; color: var(--g); word-break: break-all; }

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--gd); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--g); }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { width: 200px; }
  .content { padding: 24px 20px; }
  .eth-info { grid-template-columns: 1fr; }
}