/* DEFCON 2026 LLM Vuln Lab — terminal/cyberpunk theme */

:root {
  --bg: #0b0f14;
  --bg-soft: #11161d;
  --panel: #0f141b;
  --panel-2: #141a23;
  --border: #1f2a36;
  --border-soft: #18222d;
  --text: #d7e3ee;
  --muted: #7a8a99;
  --accent: #00ff9c;
  --accent-dim: #00b974;
  --warn: #ffb454;
  --danger: #ff4d6d;
  --info: #6ec1ff;
  --mono: ui-monospace, "JetBrains Mono", "Fira Code", Menlo, Consolas, monospace;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  height: 100%;
  overflow: hidden;
}

body {
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(1200px 600px at 10% -20%, rgba(0,255,156,0.06), transparent 60%),
    radial-gradient(1200px 600px at 110% 110%, rgba(110,193,255,0.05), transparent 60%),
    var(--bg);
}

/* ===== Topbar ===== */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.6rem 1rem;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
}
.brand { display: flex; gap: 0.7rem; align-items: baseline; }
.logo {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.title { font-weight: 600; }
.subtitle { color: var(--muted); font-size: 0.85rem; }

.status { display: flex; align-items: center; gap: 0.7rem; font-size: 0.85rem; color: var(--muted); }
.dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  animation: pulse 2s infinite;
}
.dot.compromised { background: var(--danger); box-shadow: 0 0 8px var(--danger); }
@keyframes pulse { 50% { opacity: 0.4; } }

.ghost-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.8rem;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: all 0.15s ease;
}
.ghost-btn:hover { border-color: var(--accent); color: var(--accent); }
.ghost-btn.small { padding: 0.25rem 0.55rem; font-size: 0.75rem; }

/* ===== Banner ===== */
.banner {
  background: rgba(255,180,84,0.08);
  border-bottom: 1px solid rgba(255,180,84,0.25);
  color: #f5d6a4;
  padding: 0.5rem 1rem;
  font-size: 0.82rem;
  font-family: var(--mono);
}
.banner code { background: rgba(255,255,255,0.06); padding: 0.05rem 0.3rem; border-radius: 3px; }

/* ===== Layout ===== */
.layout {
  flex: 1;
  display: grid;
  grid-template-columns: 320px 1fr 1fr;
  gap: 0;
  min-height: 0;
}

@media (max-width: 1100px) {
  .layout { grid-template-columns: 280px 1fr; }
  .browser-wrap { display: none; }
}

/* ===== Guide ===== */
.guide {
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 1rem;
  overflow-y: auto;
}
.guide h2 {
  font-family: var(--mono);
  font-size: 0.95rem;
  color: var(--accent);
  margin: 0 0 0.8rem 0;
  letter-spacing: 0.06em;
}
.steps { list-style: none; padding: 0; margin: 0; }
.steps li {
  border-left: 2px solid var(--border);
  padding: 0.7rem 0.7rem 0.7rem 0.9rem;
  margin-bottom: 0.6rem;
  border-radius: 0 4px 4px 0;
  background: var(--panel-2);
  opacity: 0.55;
  transition: all 0.25s ease;
}
.steps li.active {
  border-left-color: var(--accent);
  opacity: 1;
  box-shadow: inset 0 0 0 1px rgba(0,255,156,0.15);
}
.steps li.done {
  border-left-color: var(--accent-dim);
  opacity: 0.85;
}
.steps li.done .num::after {
  content: " ✓";
  color: var(--accent);
}
.step-head {
  display: flex; gap: 0.5rem; align-items: center;
  font-family: var(--mono);
  font-size: 0.85rem;
  margin-bottom: 0.3rem;
}
.num {
  display: inline-block;
  min-width: 1.6rem;
  color: var(--accent);
  font-weight: 700;
}
.label { color: var(--text); font-weight: 600; }
.steps p { margin: 0.2rem 0; font-size: 0.82rem; color: var(--muted); }
.hint {
  margin-top: 0.4rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--info);
}
.hint code {
  background: rgba(110,193,255,0.08);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
}
.say {
  margin: 0.45rem 0 0.4rem;
  padding: 0.45rem 0.6rem 0.45rem 0.7rem;
  border-left: 2px solid rgba(0,255,156,0.35);
  background: linear-gradient(90deg, rgba(0,255,156,0.05), transparent 70%);
  font-size: 0.78rem;
  line-height: 1.55;
  color: #b6c2cf;
  font-style: italic;
  border-radius: 0 3px 3px 0;
}
.say code {
  background: rgba(255,255,255,0.06);
  padding: 0.02rem 0.3rem;
  border-radius: 3px;
  font-size: 0.74rem;
  color: var(--accent);
  font-style: normal;
}
.say strong {
  color: var(--accent);
  font-style: normal;
  letter-spacing: 0.02em;
}

/* ===== Aaron Ang credit / branding ===== */
.credit-link {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted rgba(0,255,156,0.4);
  transition: color 0.15s, border-color 0.15s;
}
.credit-link:hover {
  color: #6cffd1;
  border-bottom-color: var(--accent);
}
.footnote .credit-link {
  margin-left: 0.2rem;
}
/* Sidebar credit row */
.sidebar-foot .credit {
  margin-top: 0.35rem;
  padding-top: 0.35rem;
  border-top: 1px dashed rgba(255,255,255,0.05);
  color: var(--muted);
  font-size: 0.7rem;
}
/* Intro deck bottom credit bar */
.deck-credit {
  flex-shrink: 0;
  padding: 0.45rem 1rem;
  background: linear-gradient(0deg, #06090d, #0a0e14);
  border-top: 1px solid var(--border-soft);
  text-align: center;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}
.legend {
  margin-top: 1.2rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border);
}
.legend h3 {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin: 0 0 0.4rem 0;
}
.legend ul { list-style: none; margin: 0; padding: 0; }
.legend li { font-family: var(--mono); font-size: 0.75rem; color: var(--muted); padding: 0.15rem 0; }
.legend code { color: var(--accent); }

/* ===== Terminal ===== */
.terminal-wrap, .browser-wrap {
  display: flex;
  flex-direction: column;
  min-height: 0;
  background: var(--bg);
}
.terminal-head, .browser-head {
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 0.45rem 0.7rem;
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
}
.dotsbar { display: inline-flex; gap: 0.35rem; }
.dotsbar i {
  width: 11px; height: 11px;
  border-radius: 50%;
  background: #333;
  display: inline-block;
}
.dotsbar i:nth-child(1) { background: #ff5f56; }
.dotsbar i:nth-child(2) { background: #ffbd2e; }
.dotsbar i:nth-child(3) { background: #27c93f; }

.terminal-wrap { border-right: 1px solid var(--border); }

.terminal {
  flex: 1;
  background: #06090d;
  font-family: var(--mono);
  font-size: 0.86rem;
  padding: 0.8rem;
  overflow-y: auto;
  color: var(--text);
  cursor: text;
  display: flex;
  flex-direction: column;
}
.term-output { white-space: pre-wrap; word-break: break-word; }
.term-output .line { padding: 0.05rem 0; }
.term-output .cmd { color: var(--text); }
.term-output .out { color: var(--text); }
.term-output .info { color: var(--info); }
.term-output .ok { color: var(--accent); }
.term-output .warn { color: var(--warn); }
.term-output .danger { color: var(--danger); }
.term-output .muted { color: var(--muted); }
.term-output .prompt-line { color: var(--accent); }
.term-output .agent { color: #c8a7ff; }
.term-output .tool { color: #9bd6ff; }
.term-output .hilite-payload {
  background: rgba(255,77,109,0.18);
  border-bottom: 1px dashed var(--danger);
  padding: 0 2px;
  color: #ffd3dc;
}

.term-input-line {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.2rem;
}
.prompt { color: var(--accent); white-space: nowrap; }
.cwd { color: var(--info); }
#term-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.86rem;
  outline: none;
  caret-color: var(--accent);
}

/* ===== Browser ===== */
.urlbar {
  flex: 1;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0.25rem 0.5rem;
  color: var(--info);
  font-size: 0.78rem;
  display: flex;
  gap: 0.4rem;
  align-items: center;
}
.lock { color: var(--accent); }

.browser-tabs {
  display: flex;
  background: var(--panel-2);
  border-bottom: 1px solid var(--border);
}
.tab {
  background: transparent;
  border: none;
  color: var(--muted);
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  border-right: 1px solid var(--border-soft);
  border-bottom: 2px solid transparent;
}
.tab:hover { color: var(--text); }
.tab.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: var(--bg);
}

.browser-body {
  flex: 1;
  position: relative;
  min-height: 0;
}
.pane {
  display: none;
  position: absolute;
  inset: 0;
  overflow: auto;
  background: #fff;
}
.pane[data-pane="source"], .pane[data-pane="files"] {
  background: var(--bg-soft);
}
.pane.active { display: block; }
.pane iframe { width: 100%; height: 100%; border: none; background: #fff; }

.source {
  margin: 0;
  padding: 0.8rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
}
.source .tag { color: #9bd6ff; }
.source .attr { color: #c8a7ff; }
.source .str { color: #ffe39b; }
.source .com { color: var(--muted); font-style: italic; }
.source .payload {
  background: rgba(255,77,109,0.18);
  outline: 1px dashed var(--danger);
}

/* Reveal mode highlights inside iframe via class on iframe wrapper */
.pane.reveal-mode .source .payload,
.pane.reveal-mode .hilite { display: inline; }

.files h3 {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 0.85rem;
  margin: 0.8rem 0.8rem 0.4rem;
  letter-spacing: 0.05em;
}
.files ul { list-style: none; padding: 0 0.8rem; margin: 0; }
.files li {
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.25rem 0.4rem;
  cursor: pointer;
  color: var(--text);
  border-radius: 3px;
}
.files li:hover { background: var(--panel-2); color: var(--accent); }
.files li .meta { color: var(--muted); margin-left: 0.5rem; font-size: 0.75rem; }
.files li.compromised { color: var(--danger); }
.files li.compromised::after { content: " ⚠ TAINTED"; color: var(--danger); font-size: 0.7rem; }

/* ===== Footer ===== */
.footnote {
  background: var(--panel);
  border-top: 1px solid var(--border);
  padding: 0.45rem 1rem;
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--muted);
  text-align: center;
}
.muted { color: var(--muted); }

/* ===== Reveal hidden payload effect ===== */
.reveal-active iframe { filter: contrast(1.05); }

/* Scrollbar */
::-webkit-scrollbar { width: 9px; height: 9px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #2a3a4d; }

/* ===== Lab nav (top header) ===== */
.labnav {
  display: flex;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.8rem;
}
.labnav a {
  color: var(--muted);
  text-decoration: none;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  letter-spacing: 0.04em;
  transition: all 0.15s ease;
}
.labnav a:hover { color: var(--accent); border-color: var(--accent); }
.labnav a.active {
  color: var(--accent);
  border-color: var(--accent);
  background: rgba(0,255,156,0.06);
}

/* ===== Hub landing ===== */
body.hub { overflow: auto; }
.hub-main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 3rem;
  flex: 1;
}
.hub-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  margin-bottom: 2rem;
}
@media (max-width: 800px) {
  .hub-cards { grid-template-columns: 1fr; }
}
.lab-card {
  display: block;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.4rem;
  text-decoration: none;
  color: var(--text);
  position: relative;
  transition: all 0.18s ease;
  overflow: hidden;
}
.lab-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0,255,156,0.07), transparent 60%);
  opacity: 0;
  transition: opacity 0.2s ease;
  pointer-events: none;
}
.lab-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,255,156,0.08);
}
.lab-card:hover::before { opacity: 1; }
.lab-num {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 0.4rem;
}
.lab-card h2 {
  margin: 0 0 0.3rem 0;
  font-size: 1.3rem;
  font-family: var(--sans);
}
.lab-tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--info);
  margin: 0 0 0.8rem 0;
  letter-spacing: 0.04em;
}
.lab-card p {
  font-size: 0.9rem;
  line-height: 1.55;
  color: #b6c2cf;
  margin: 0 0 0.8rem 0;
}
.lab-card code {
  background: rgba(255,255,255,0.06);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--accent);
}
.lab-bullets {
  list-style: none;
  padding: 0;
  margin: 0 0 1rem 0;
}
.lab-bullets li {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  padding: 0.15rem 0;
  position: relative;
  padding-left: 1rem;
}
.lab-bullets li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--accent);
}
.lab-cta {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-top: 0.6rem;
}
.hub-footer-note {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.2rem 1.4rem;
}
.hub-footer-note h3 {
  margin: 0 0 0.5rem 0;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}
.hub-footer-note p {
  font-size: 0.88rem;
  line-height: 1.6;
  color: #b6c2cf;
  margin: 0 0 0.5rem 0;
}
.hub-footer-note code {
  background: rgba(255,255,255,0.06);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.8rem;
}

/* ===== Lab 03 — agent cards ===== */
.agent-grid {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding: 0.9rem;
  background: var(--bg-soft);
  min-height: 100%;
}
.agent-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-dim);
  border-radius: 4px;
  padding: 0.7rem 0.9rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  transition: all 0.2s ease;
}
.agent-card.status-suspect { border-left-color: var(--warn); background: rgba(255,180,84,0.05); }
.agent-card.status-compromised { border-left-color: var(--danger); background: rgba(255,77,109,0.07); }
.agent-card-head {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.3rem;
}
.agent-name { color: var(--text); font-weight: 600; }
.agent-role { color: var(--muted); font-size: 0.78rem; margin-bottom: 0.4rem; }
.agent-tools { font-size: 0.75rem; color: var(--text); }
.agent-tools code {
  background: rgba(255,255,255,0.05);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  margin-right: 0.2rem;
  color: var(--info);
}
.badge {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  letter-spacing: 0.05em;
}
.badge.ok      { background: rgba(0,255,156,0.12); color: var(--accent); border: 1px solid rgba(0,255,156,0.3); }
.badge.warn    { background: rgba(255,180,84,0.12); color: var(--warn); border: 1px solid rgba(255,180,84,0.3); }
.badge.danger  { background: rgba(255,77,109,0.12); color: var(--danger); border: 1px solid rgba(255,77,109,0.3); }

/* ===== Lab 03 — vector DB ===== */
.vec-wrap, .bus-wrap {
  display: flex;
  flex-direction: column;
  height: 100%;
  background: var(--bg-soft);
}
.vec-head {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.6rem 0.9rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.82rem;
}
.vec-head h3 { margin: 0; color: var(--accent); font-size: 0.85rem; letter-spacing: 0.05em; }
.vec-stats { color: var(--muted); font-size: 0.75rem; }
.vec-list, .bus-list, .exfil-list {
  flex: 1;
  padding: 0.7rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.vec-entry {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent-dim);
  border-radius: 4px;
  padding: 0.55rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.vec-entry.tainted {
  border-left-color: var(--danger);
  background: rgba(255,77,109,0.07);
}
.vec-id { color: var(--info); font-weight: 600; margin-bottom: 0.25rem; }
.vec-text { color: var(--text); margin-bottom: 0.25rem; word-break: break-word; }
.vec-embed { color: var(--muted); font-size: 0.72rem; }
.tag-poison {
  background: rgba(255,77,109,0.18);
  color: var(--danger);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  font-size: 0.7rem;
  letter-spacing: 0.04em;
}

/* ===== Lab 03 — inter-agent bus ===== */
.bus-msg {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--info);
  border-radius: 4px;
  padding: 0.55rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.bus-msg.tainted { border-left-color: var(--danger); background: rgba(255,77,109,0.07); }
.bus-head { color: var(--info); margin-bottom: 0.25rem; font-weight: 600; }
.bus-from { color: var(--accent); }
.bus-to   { color: var(--warn); }
.bus-body { color: var(--text); word-break: break-word; }
.bus-hidden {
  margin-top: 0.4rem;
  padding-top: 0.35rem;
  border-top: 1px dashed rgba(255,77,109,0.4);
  color: #ffd3dc;
  word-break: break-word;
}

/* ===== Lab 03 — exfil log ===== */
.exfil-row {
  background: rgba(255,77,109,0.06);
  border: 1px solid rgba(255,77,109,0.25);
  border-radius: 4px;
  padding: 0.55rem 0.75rem;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.exfil-head { color: var(--danger); margin-bottom: 0.25rem; font-weight: 600; }
.exfil-method {
  background: rgba(255,77,109,0.18);
  color: var(--danger);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  font-size: 0.72rem;
  margin-right: 0.4rem;
}
.exfil-url { color: #ffd3dc; word-break: break-all; }
.exfil-body { color: var(--text); margin-bottom: 0.25rem; word-break: break-all; }
.exfil-meta { color: var(--muted); font-size: 0.72rem; }

/* ===== Embedded mode (iframe inside shell) ===== */
.embedded .topbar,
.embedded .footnote,
.embedded .banner { display: none !important; }
.embedded.app-body { background: transparent; }
.embedded { overflow: hidden; }

/* ===== Shell: scanlines overlay ===== */
.app-body {
  overflow: hidden;
  background:
    radial-gradient(1400px 700px at 8% -10%, rgba(0,255,156,0.05), transparent 60%),
    radial-gradient(1400px 700px at 110% 110%, rgba(110,193,255,0.04), transparent 60%),
    var(--bg);
}
.scanlines {
  pointer-events: none;
  position: fixed; inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(255,255,255,0.013) 0,
    rgba(255,255,255,0.013) 1px,
    transparent 1px,
    transparent 3px
  );
  z-index: 9998;
  mix-blend-mode: overlay;
}

/* ===== Shell layout ===== */
.app-shell {
  display: grid;
  grid-template-columns: 248px 1fr;
  grid-template-rows: 44px 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
  height: 100vh;
}

/* ===== Sidebar ===== */
.app-sidebar {
  grid-area: sidebar;
  background: linear-gradient(180deg, #0c1118 0%, #0a0e14 100%);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}
.app-sidebar::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0;
  width: 1px;
  background: linear-gradient(180deg, transparent, rgba(0,255,156,0.4), transparent);
  opacity: 0.6;
}

.brand-block {
  padding: 1.1rem 1.1rem 0.9rem;
  border-bottom: 1px solid var(--border-soft);
  font-family: var(--mono);
}
.brand-logo {
  font-size: 1.7rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--text);
  line-height: 1;
}
.brand-num {
  color: var(--accent);
  text-shadow: 0 0 12px rgba(0,255,156,0.5);
}
.brand-cursor {
  color: var(--accent);
  animation: blink 1.1s steps(2) infinite;
  margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }
.brand-tag {
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.18em;
  margin-top: 0.35rem;
}
.brand-version {
  font-size: 0.68rem;
  color: var(--muted);
  letter-spacing: 0.06em;
  margin-top: 0.15rem;
}

.app-nav {
  flex: 1;
  padding: 0.6rem 0.5rem;
  overflow-y: auto;
  font-family: var(--mono);
}
.nav-section {
  font-size: 0.65rem;
  color: var(--muted);
  letter-spacing: 0.18em;
  padding: 0.9rem 0.7rem 0.35rem;
  text-transform: uppercase;
}

.app-nav-item {
  display: grid;
  grid-template-columns: 32px 1fr 8px;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.7rem;
  color: var(--text);
  text-decoration: none;
  border-radius: 4px;
  border: 1px solid transparent;
  position: relative;
  transition: background 0.12s, border-color 0.12s, transform 0.08s;
  margin-bottom: 0.15rem;
}
.app-nav-item:hover {
  background: rgba(0,255,156,0.04);
  border-color: rgba(0,255,156,0.18);
}
.app-nav-item.active {
  background: linear-gradient(90deg, rgba(0,255,156,0.10), rgba(0,255,156,0.02));
  border-color: rgba(0,255,156,0.35);
  box-shadow: inset 3px 0 0 var(--accent), 0 0 24px -8px rgba(0,255,156,0.45);
}
.app-nav-item.small { grid-template-columns: 32px 1fr; }

.nav-icon {
  font-size: 1.1rem;
  color: var(--accent);
  text-align: center;
  opacity: 0.85;
}
.nav-num {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--accent);
  text-align: center;
  letter-spacing: 0.02em;
  text-shadow: 0 0 6px rgba(0,255,156,0.35);
}
.nav-text { display: flex; flex-direction: column; min-width: 0; }
.nav-title {
  font-size: 0.82rem;
  color: var(--text);
  letter-spacing: 0.04em;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-sub {
  font-size: 0.66rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  margin-top: 0.05rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.nav-pulse {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  opacity: 0;
  box-shadow: 0 0 6px var(--accent);
}
.app-nav-item.active .nav-pulse {
  opacity: 1;
  animation: pulse 1.6s infinite;
}

.sidebar-foot {
  padding: 0.7rem 1rem 0.9rem;
  border-top: 1px solid var(--border-soft);
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--muted);
}
.conn-line { display: flex; align-items: center; gap: 0.45rem; padding: 0.15rem 0; }
.sidebar-foot .dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--muted);
  box-shadow: none;
  animation: none;
}
.sidebar-foot .dot.ok { background: var(--accent); box-shadow: 0 0 6px var(--accent); }
.sidebar-foot .dot.info { background: var(--info); box-shadow: 0 0 6px var(--info); }
.sidebar-foot .dot.blink { animation: blink 1.4s steps(2) infinite; }

/* ===== Topbar ===== */
.app-topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 1rem;
  background: linear-gradient(180deg, #0e141c, #0a0e14);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.78rem;
  position: relative;
}
.app-topbar::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,255,156,0.35), transparent);
}
.crumb { display: flex; align-items: center; gap: 0.45rem; color: var(--muted); }
.crumb-root { color: var(--accent); font-weight: 700; letter-spacing: 0.05em; }
.crumb-mid { color: var(--info); }
.crumb-sep { color: var(--border); }
.crumb-current { color: var(--text); }
.top-actions { color: var(--muted); }
.kbd-hint kbd {
  background: var(--panel);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 0.05rem 0.35rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  margin: 0 0.05rem;
}

/* ===== Main + iframe ===== */
.app-main {
  grid-area: main;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}
.view {
  position: absolute;
  inset: 0;
  display: none;
  overflow: auto;
}
.view.active { display: block; }
.view-lab.active { display: flex; }
.view-lab iframe {
  flex: 1;
  width: 100%;
  height: 100%;
  border: none;
  background: var(--bg);
}

/* ===== Hub view (inside shell) ===== */
.view-hub {
  padding: 1.6rem 2rem 3rem;
  background:
    linear-gradient(180deg, rgba(0,255,156,0.02), transparent 200px),
    repeating-linear-gradient(
      90deg,
      rgba(0,255,156,0.018) 0,
      rgba(0,255,156,0.018) 1px,
      transparent 1px,
      transparent 60px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(0,255,156,0.018) 0,
      rgba(0,255,156,0.018) 1px,
      transparent 1px,
      transparent 60px
    ),
    var(--bg);
}

.hub-hero {
  max-width: 980px;
  margin: 0 auto 1.6rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--border);
}
.hub-hero-tag {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin-bottom: 0.3rem;
}
.hub-hero-title {
  font-size: 2.6rem;
  font-weight: 800;
  margin: 0 0 0.5rem;
  letter-spacing: -0.01em;
  line-height: 1.05;
  color: var(--text);
}
.hub-hero-title .accent {
  color: var(--accent);
  text-shadow: 0 0 18px rgba(0,255,156,0.3);
}
.hub-hero-sub {
  font-size: 0.98rem;
  line-height: 1.6;
  color: #b6c2cf;
  max-width: 720px;
  margin: 0 0 0.9rem;
}
.hub-hero-meta { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.meta-pill {
  font-family: var(--mono);
  font-size: 0.72rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 0.2rem 0.55rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.meta-pill.ok { color: var(--accent); border-color: rgba(0,255,156,0.3); }

/* Attack matrix */
.hub-matrix {
  max-width: 980px;
  margin: 0 auto 1.6rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.8rem 1rem 1rem;
  font-family: var(--mono);
}
.matrix-head {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.18em;
  margin-bottom: 0.6rem;
}
.matrix-row {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 0.5rem;
  padding: 0.35rem 0;
  border-top: 1px solid var(--border-soft);
  align-items: center;
  font-size: 0.78rem;
}
.matrix-row.matrix-cols {
  border-top: none;
  color: var(--muted);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.mc { padding: 0 0.1rem; }
.mc.label { color: var(--text); }
.mc.dot { color: var(--accent); text-align: center; font-size: 1rem; text-shadow: 0 0 8px rgba(0,255,156,0.5); }
.mc.dot.off { color: var(--border); text-shadow: none; }

/* Hub cards inside shell */
.view-hub .hub-cards {
  max-width: 1200px;
  margin: 0 auto 1.6rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 1100px) {
  .view-hub .hub-cards { grid-template-columns: 1fr; }
}
.view-hub .lab-card {
  background:
    linear-gradient(180deg, var(--panel) 0%, var(--panel-2) 100%);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.1rem 1.2rem;
  text-decoration: none;
  color: var(--text);
  position: relative;
  overflow: hidden;
  transition: all 0.18s ease;
}
.view-hub .lab-card::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.2s;
}
.view-hub .lab-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(0,255,156,0.10);
}
.view-hub .lab-card:hover::after { opacity: 1; }
.view-hub .lab-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.18em;
  margin-bottom: 0.3rem;
}
.view-hub .lab-card h2 { font-size: 1.15rem; margin: 0 0 0.25rem; }
.view-hub .lab-tag {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--info);
  letter-spacing: 0.04em;
  margin: 0 0 0.7rem;
}
.view-hub .lab-card p {
  font-size: 0.85rem;
  line-height: 1.55;
  color: #b6c2cf;
  margin: 0 0 0.7rem;
}
.view-hub .lab-card code {
  background: rgba(255,255,255,0.06);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
}
.view-hub .lab-bullets {
  list-style: none; padding: 0; margin: 0 0 0.8rem;
}
.view-hub .lab-bullets li {
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--muted);
  padding: 0.12rem 0 0.12rem 1rem;
  position: relative;
}
.view-hub .lab-bullets li::before {
  content: '▸';
  position: absolute; left: 0;
  color: var(--accent);
}
.view-hub .lab-cta {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.06em;
}

/* Hub footer info grid */
.hub-foot-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}
@media (max-width: 1100px) { .hub-foot-grid { grid-template-columns: 1fr; } }
.foot-block {
  background: var(--panel-2);
  border: 1px solid var(--border-soft);
  border-radius: 5px;
  padding: 0.9rem 1rem;
}
.foot-block-head {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--accent);
  letter-spacing: 0.18em;
  margin-bottom: 0.4rem;
}
.foot-block p {
  font-size: 0.83rem;
  line-height: 1.55;
  color: #b6c2cf;
  margin: 0;
}
.foot-block code {
  background: rgba(255,255,255,0.06);
  padding: 0.05rem 0.3rem;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.78rem;
}
.foot-block kbd {
  background: var(--panel);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 0.05rem 0.35rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  margin: 0 0.05rem;
}

/* ===== Responsive: collapse sidebar ===== */
@media (max-width: 720px) {
  .app-shell {
    grid-template-columns: 64px 1fr;
  }
  .brand-tag, .brand-version, .nav-text, .nav-section, .sidebar-foot { display: none; }
  .app-nav-item { grid-template-columns: 1fr; justify-items: center; }
  .nav-pulse { display: none; }
  .brand-block { padding: 0.6rem 0.4rem; text-align: center; }
  .brand-logo { font-size: 1.1rem; }
  .top-actions { display: none; }
}

/* ===== INTRO DECK ===== */
.intro-body {
  background:
    radial-gradient(1400px 700px at 8% -10%, rgba(0,255,156,0.06), transparent 60%),
    radial-gradient(1400px 700px at 110% 110%, rgba(110,193,255,0.05), transparent 60%),
    var(--bg);
  min-height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}
.deck-topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 1.4rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, #0e141c, #0a0e14);
  position: relative;
  flex-shrink: 0;
}
.deck-topbar::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: -1px; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(0,255,156,0.35), transparent);
}
.deck-brand {
  display: flex;
  align-items: baseline;
  gap: 0.8rem;
  font-family: var(--mono);
}
.deck-brand .brand-logo { font-size: 1.2rem; font-weight: 800; }
.deck-brand-tag {
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.2em;
}
.deck-skip {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--muted);
  text-decoration: none;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 3px;
  transition: all 0.15s;
}
.deck-skip:hover { color: var(--accent); border-color: var(--accent); }

.deck {
  flex: 1;
  position: relative;
  overflow: hidden;
}
.slide {
  position: absolute;
  inset: 0;
  padding: 3.5rem 5vw 5rem;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.28s ease, transform 0.28s ease;
  pointer-events: none;
  overflow: auto;
  display: flex;
  flex-direction: column;
  justify-content: center;
  max-width: 1200px;
  margin: 0 auto;
  left: 0; right: 0;
}
.slide.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.eyebrow {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.22em;
  margin-bottom: 0.8rem;
}
.slide-title {
  font-size: 2.6rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0 0 1.2rem;
  color: var(--text);
}
.slide-title.big { font-size: 4rem; }
.slide-title .accent {
  color: var(--accent);
  text-shadow: 0 0 20px rgba(0,255,156,0.35);
}
.slide-sub {
  font-size: 1.05rem;
  line-height: 1.55;
  color: #c4d0dc;
  max-width: 760px;
  margin: 0 0 1.2rem;
}
.hero-meta {
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}
.kbd-cta {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  letter-spacing: 0.05em;
}
.kbd-cta kbd {
  background: var(--panel);
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 3px;
  padding: 0.1rem 0.45rem;
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  margin: 0 0.1rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

.callout {
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--text);
  margin: 0 0 1rem;
  padding-left: 0.9rem;
  border-left: 3px solid var(--accent);
}
.callout.muted { color: var(--muted); border-left-color: var(--border); }
.callout em { color: var(--accent); font-style: normal; }

.point-list { display: flex; flex-direction: column; gap: 0.6rem; }
.point {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--info);
  border-radius: 4px;
  padding: 0.7rem 0.9rem;
  font-size: 0.95rem;
  color: var(--text);
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
}
.point.danger { border-left-color: var(--danger); background: rgba(255,77,109,0.07); }
.point-num {
  font-family: var(--mono);
  color: var(--accent);
  font-weight: 700;
  min-width: 1.4rem;
}
.point.danger .point-num { color: var(--danger); }

.demo-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  gap: 0.6rem;
  align-items: stretch;
  margin: 1.5rem 0;
}
@media (max-width: 1000px) {
  .demo-grid { grid-template-columns: 1fr; }
  .demo-arrow { display: none; }
}
.demo-tile {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 1.1rem 1.2rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.demo-num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--accent);
  letter-spacing: 0.18em;
}
.demo-name { font-size: 1.15rem; font-weight: 700; color: var(--text); }
.demo-tag {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--info);
}
.demo-line {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--muted);
  margin-top: 0.4rem;
}
.demo-arrow {
  font-size: 1.6rem;
  color: var(--accent);
  align-self: center;
  text-shadow: 0 0 8px rgba(0,255,156,0.4);
}

.block-head {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  letter-spacing: 0.2em;
  margin: 1rem 0 0.4rem;
  text-transform: uppercase;
}
.slide p, .slide ul {
  font-size: 0.96rem;
  line-height: 1.55;
  color: var(--text);
  margin: 0 0 0.7rem;
}
.slide ul.tight { padding-left: 1.1rem; margin: 0.2rem 0 0.7rem; }
.slide ul.tight li { padding: 0.05rem 0; color: var(--text); font-family: var(--mono); font-size: 0.88rem; }
.slide code {
  background: rgba(255,255,255,0.07);
  padding: 0.05rem 0.35rem;
  border-radius: 3px;
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--accent);
}

.code-block {
  background: #06090d;
  border: 1px solid var(--border);
  border-left: 3px solid var(--danger);
  border-radius: 4px;
  padding: 0.8rem 1rem;
  font-family: var(--mono);
  font-size: 0.85rem;
  color: #ffd3dc;
  overflow-x: auto;
  margin: 0.6rem 0 0.8rem;
}

.key-takeaway {
  background: rgba(0,255,156,0.05);
  border: 1px solid rgba(0,255,156,0.3);
  border-radius: 6px;
  padding: 1.1rem 1.2rem;
  position: relative;
}
.key-takeaway::before {
  content: '';
  position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
  background: var(--accent);
  box-shadow: 0 0 10px var(--accent);
}
.kt-head {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--accent);
  letter-spacing: 0.22em;
  margin-bottom: 0.5rem;
}
.kt-body p { color: var(--text); font-size: 0.98rem; line-height: 1.5; margin: 0 0 0.5rem; }
.kt-body p:last-child { margin: 0; }
.kt-body strong { color: var(--accent); font-weight: 700; }
.kt-body em { color: var(--info); font-style: normal; }

.kt-inline {
  background: rgba(255,77,109,0.07);
  border: 1px solid rgba(255,77,109,0.3);
  border-left: 3px solid var(--danger);
  border-radius: 4px;
  padding: 0.8rem 1rem;
  font-size: 0.94rem;
  color: var(--text);
  margin-top: 1rem;
}
.kt-inline .accent { color: var(--danger); font-weight: 700; letter-spacing: 0.04em; }

.chain {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: 1rem 0;
}
.chain-step {
  display: flex;
  align-items: center;
  gap: 1rem;
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--info);
  border-radius: 4px;
  padding: 0.65rem 1rem;
  font-size: 0.95rem;
  color: var(--text);
}
.chain-step.danger {
  border-left-color: var(--danger);
  background: rgba(255,77,109,0.06);
}
.chain-step strong { color: var(--accent); }
.chain-step.danger strong { color: var(--danger); }
.chain-num {
  font-family: var(--mono);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--accent);
  min-width: 1.6rem;
}
.chain-step.danger .chain-num { color: var(--danger); }

.feature-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 0.55rem; }
.feature-list li {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  background: var(--panel);
  border: 1px solid var(--border-soft);
  border-radius: 4px;
  padding: 0.55rem 0.85rem;
  font-size: 0.92rem;
  color: var(--text);
}
.fl-tag {
  font-family: var(--mono);
  font-size: 0.66rem;
  background: rgba(0,255,156,0.1);
  color: var(--accent);
  border: 1px solid rgba(0,255,156,0.25);
  border-radius: 3px;
  padding: 0.1rem 0.4rem;
  letter-spacing: 0.1em;
  flex-shrink: 0;
  margin-top: 0.05rem;
}

.terminal-mock {
  background: #06090d;
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 0.9rem 1rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  line-height: 1.5;
}
.tm-head {
  color: var(--muted);
  font-size: 0.74rem;
  border-bottom: 1px solid var(--border-soft);
  padding-bottom: 0.4rem;
  margin-bottom: 0.5rem;
}
.tm-line { color: var(--text); padding: 0.1rem 0; }
.tm-prompt { color: var(--accent); margin-right: 0.4rem; }
.tm-line.agent { color: #c8a7ff; }
.tm-line.tool { color: #9bd6ff; }
.tm-line.danger { color: var(--danger); }

.mitigation-list {
  list-style: none;
  padding: 0;
  margin: 1rem 0 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
@media (max-width: 900px) { .mitigation-list { grid-template-columns: 1fr; } }
.mitigation-list li {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 5px;
  padding: 0.85rem 1rem;
  display: flex;
  gap: 0.8rem;
  align-items: flex-start;
  font-size: 0.93rem;
  color: var(--text);
  line-height: 1.5;
}
.mit-num {
  font-family: var(--mono);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--accent);
  min-width: 2rem;
  text-shadow: 0 0 8px rgba(0,255,156,0.4);
}
.mitigation-list strong { color: var(--accent); }

/* Final CTA slide */
.cta-slide { text-align: center; align-items: center; }
.cta-slide .slide-title { text-align: center; }
.cta-slide .slide-sub { text-align: center; margin-left: auto; margin-right: auto; }
.enter-btn {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 2.4rem;
  margin: 1.5rem auto 1.2rem;
  background: linear-gradient(180deg, rgba(0,255,156,0.15), rgba(0,255,156,0.05));
  border: 1px solid var(--accent);
  border-radius: 5px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-decoration: none;
  text-transform: uppercase;
  box-shadow: 0 0 0 0 rgba(0,255,156,0.4), 0 0 30px -8px rgba(0,255,156,0.5);
  transition: all 0.2s ease;
  align-self: center;
}
.enter-btn:hover {
  background: linear-gradient(180deg, rgba(0,255,156,0.22), rgba(0,255,156,0.08));
  box-shadow: 0 0 0 6px rgba(0,255,156,0.08), 0 0 40px -4px rgba(0,255,156,0.6);
  transform: translateY(-1px);
}
.enter-arrow { transition: transform 0.2s; }
.enter-btn:hover .enter-arrow { transform: translateX(4px); }

/* Deck controls (bottom bar) */
.deck-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.7rem 1.4rem;
  background: linear-gradient(0deg, #0a0e14, #0e141c);
  border-top: 1px solid var(--border);
  font-family: var(--mono);
  font-size: 0.8rem;
  flex-shrink: 0;
}
.deck-btn {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.82rem;
  padding: 0.4rem 0.9rem;
  border-radius: 3px;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: all 0.15s;
}
.deck-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.deck-btn:disabled { opacity: 0.35; cursor: not-allowed; }
.deck-btn-primary {
  background: rgba(0,255,156,0.1);
  border-color: var(--accent);
  color: var(--accent);
}
.deck-btn-primary:hover:not(:disabled) {
  background: rgba(0,255,156,0.18);
  box-shadow: 0 0 12px -2px rgba(0,255,156,0.4);
}
.deck-dots {
  flex: 1;
  display: flex;
  justify-content: center;
  gap: 0.4rem;
}
.deck-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: transparent;
  border: 1px solid var(--border);
  padding: 0;
  cursor: pointer;
  transition: all 0.15s;
}
.deck-dot:hover { border-color: var(--accent); }
.deck-dot.active {
  background: var(--accent);
  border-color: var(--accent);
  box-shadow: 0 0 6px var(--accent);
}
.deck-progress { color: var(--muted); font-size: 0.78rem; }
.deck-progress span { color: var(--accent); }

@media (max-width: 720px) {
  .slide { padding: 2rem 1.2rem 3rem; }
  .slide-title { font-size: 1.6rem; }
  .slide-title.big { font-size: 2.2rem; }
}