/* Bilateral Peer Challenge Duel Stylesheet
   Competitive head-to-head match interface with authentic human engineering artifacts */

.duel-wrap {
  max-width: 860px;
  margin: 0 auto;
}

/* Versus Banner */
.versus-banner {
  background: linear-gradient(135deg, #0A0D16 0%, #111827 50%, #1E1B4B 100%);
  border: 1px solid rgba(99, 102, 241, .3);
  border-radius: var(--r-lg);
  padding: 32px 28px;
  color: #F8FAFC;
  box-shadow: 0 20px 40px -15px rgba(0, 0, 0, .6);
  margin-bottom: 28px;
  text-align: center;
  position: relative;
}

.versus-grid {
  display: flex;
  align-items: center;
  justify-content: space-around;
  margin: 20px 0 16px;
}

.versus-player {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
}

.player-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  border: 2px solid rgba(255, 255, 255, .25);
  box-shadow: 0 0 20px rgba(99, 102, 241, 0.2);
}

.player-name {
  font-size: 14.5px;
  font-weight: 700;
  color: #E2E8F0;
}

.player-score {
  font-size: 32px;
  font-weight: 900;
  color: #FBBF24;
  letter-spacing: -.02em;
}

.versus-badge {
  font-size: 20px;
  font-weight: 900;
  color: #F43F5E;
  font-style: italic;
  padding: 10px 16px;
  border-radius: 50%;
  background: rgba(244, 63, 94, .15);
  border: 1.5px solid rgba(244, 63, 94, .35);
  animation: pulse-vs 2s infinite ease-in-out;
}

@keyframes pulse-vs {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.06); }
}

/* Challenger Banter Box */
.challenger-banter-card {
  margin-top: 16px;
  padding: 14px 20px;
  background: rgba(0, 0, 0, 0.35);
  border-left: 3px solid #38BDF8;
  border-radius: var(--r-sm);
  text-align: left;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.challenger-banter-quote {
  font-size: 13.5px;
  font-style: italic;
  color: #BAE6FD;
  line-height: 1.55;
  flex: 1;
}

/* Duel Question Card */
.duel-card {
  background: var(--surface);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-lg);
  padding: 36px 32px;
  box-shadow: var(--shadow-md);
  margin-bottom: 28px;
  position: relative;
}

.duel-step-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 20px;
}

.duel-step-badge {
  font-size: 11.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 4px 12px;
  border-radius: var(--r-pill);
  background: var(--accent-soft);
  color: var(--accent-ink);
  border: 1px solid rgba(99, 102, 241, .25);
}

.duel-hud-controls {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hud-audio-btn {
  background: rgba(0, 0, 0, .06);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-pill);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 700;
  color: var(--ink-2);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all .15s ease;
}

.hud-audio-btn.active {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* Incident Terminal & Telemetry Box */
.incident-terminal {
  background: #080C14;
  border: 1px solid rgba(99, 102, 241, 0.3);
  border-radius: var(--r-md);
  margin: 18px 0 24px;
  overflow: hidden;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.4);
}

.terminal-topbar {
  background: #0F172A;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.terminal-dots {
  display: flex;
  gap: 6px;
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.terminal-dot.red { background: #EF4444; }
.terminal-dot.yellow { background: #F59E0B; }
.terminal-dot.green { background: #10B981; }

.terminal-title {
  font-family: var(--mono);
  font-size: 11px;
  color: #94A3B8;
  font-weight: 600;
  letter-spacing: .04em;
}

.terminal-body {
  padding: 14px 18px;
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.65;
  color: #38BDF8;
  white-space: pre-wrap;
  overflow-x: auto;
}

/* Head to Head Comparison Result */
.comparison-card {
  display: none;
  background: var(--surface);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-lg);
  padding: 40px 32px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  margin-bottom: 32px;
}

.verdict-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 22px;
  border-radius: var(--r-pill);
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 20px;
}

.verdict-badge.win {
  background: #ECFDF5;
  color: #047857;
  border: 1.5px solid #6EE7B7;
}

.verdict-badge.loss {
  background: #FFF1F2;
  color: #BE123C;
  border: 1.5px solid #FECDD3;
}

.score-comparison-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin: 28px 0 36px;
  flex-wrap: wrap;
}

.score-box {
  padding: 24px 32px;
  border-radius: var(--r-md);
  background: var(--paper);
  border: 1px solid var(--hair-2);
  min-width: 170px;
  transition: transform .2s ease;
}

.score-box.winner {
  border-color: #10B981;
  background: #F0FDF4;
  transform: scale(1.05);
  box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.2);
}

.score-box-num {
  font-size: 42px;
  font-weight: 900;
  letter-spacing: -.03em;
  color: var(--ink);
  line-height: 1;
  margin: 8px 0;
}

.score-box.winner .score-box-num {
  color: #047857;
}

/* Smack Talk Customizer Box */
.smack-talk-box {
  background: var(--paper-2);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-md);
  padding: 20px 24px;
  margin: 24px 0 32px;
  text-align: left;
}

.smack-talk-box label {
  display: block;
  font-size: 13px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.smack-input-row {
  display: flex;
  gap: 10px;
}

.smack-input {
  flex: 1;
  height: 44px;
  padding: 0 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--hair-2);
  background: var(--surface);
  font: 500 14px var(--sans);
  color: var(--ink);
  outline: none;
}

.smack-input:focus {
  border-color: var(--accent);
}

.smack-suggestions {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-top: 10px;
}

.smack-chip {
  background: var(--surface);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-pill);
  padding: 4px 10px;
  font-size: 11.5px;
  color: var(--ink-2);
  cursor: pointer;
  transition: all .15s ease;
}

.smack-chip:hover {
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* Toast Notification */
.duel-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #10B981;
  color: #fff;
  padding: 12px 22px;
  border-radius: var(--r-md);
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.35);
  z-index: 9999;
  transform: translateY(100px);
  opacity: 0;
  transition: all .25s ease-out;
}

.duel-toast.show {
  transform: translateY(0);
  opacity: 1;
}

/* Semantic Playbook Section */
.duel-playbook-section {
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid var(--hair-2);
}

.playbook-header {
  text-align: center;
  margin-bottom: 28px;
}

.playbook-header h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 8px;
}

.playbook-header p {
  font-size: 15px;
  color: var(--ink-3);
  max-width: 640px;
  margin: 0 auto;
}

.playbook-card {
  background: var(--surface);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-md);
  padding: 24px 28px;
  margin-bottom: 20px;
  box-shadow: var(--shadow-sm);
}

.playbook-card-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 6px;
}

.playbook-card-meta {
  font-size: 12px;
  font-weight: 600;
  color: var(--accent-ink);
  text-transform: uppercase;
  letter-spacing: .04em;
  margin-bottom: 12px;
}

.playbook-card-body {
  font-size: 14.5px;
  color: var(--ink-2);
  line-height: 1.65;
}

.playbook-rubric-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 14px;
  font-size: 13.5px;
}

.playbook-rubric-table th {
  background: var(--paper-2);
  padding: 10px 14px;
  text-align: left;
  font-weight: 700;
  color: var(--ink-2);
  border-bottom: 1px solid var(--hair-2);
}

.playbook-rubric-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--hair);
  color: var(--ink);
}

.playbook-faq-item {
  background: var(--surface);
  border: 1px solid var(--hair-2);
  border-radius: var(--r-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .15s ease;
}

.playbook-faq-item:hover {
  border-color: var(--accent);
}

.playbook-faq-item summary {
  padding: 16px 20px;
  font-weight: 700;
  font-size: 15px;
  color: var(--ink);
  cursor: pointer;
  outline: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  list-style: none;
}

.playbook-faq-item summary::-webkit-details-marker {
  display: none;
}

.playbook-faq-item summary::after {
  content: "+";
  font-size: 20px;
  color: var(--ink-3);
  font-weight: 400;
}

.playbook-faq-item[open] summary::after {
  content: "−";
}

.playbook-faq-body {
  padding: 0 20px 20px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-2);
  border-top: 1px solid var(--hair);
  margin-top: 4px;
  padding-top: 14px;
}