:root {
  color-scheme: dark;
  --bg: #0c1218;
  --panel: #111a24;
  --panel-2: #0f1720;
  --accent: #63e6ff;
  --accent-2: #8d7bff;
  --text: #e6f2ff;
  --muted: #9ab1c7;
  --danger: #ff6b8f;
  --success: #7cffb6;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at top, #15212d 0%, var(--bg) 45%, #0a0f14 100%);
  color: var(--text);
  min-height: 100vh;
}

.skip-link{position:absolute;top:-100%;left:1rem;z-index:100;padding:.5rem 1rem;border-radius:999px;background:var(--accent);color:var(--bg);font-weight:700;font-size:.85rem;text-decoration:none}
.skip-link:focus{top:.5rem}

.shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 32px 24px 40px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.kicker {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
  color: var(--muted);
  animation: kickerFlicker 6s ease-in-out infinite;
}

.subtitle {
  color: var(--muted);
  margin-top: 6px;
}

.controls {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.briefing {
  display: flex;
}

.briefing-card {
  flex: 1;
  background: var(--panel);
  border: 1px solid rgba(99, 230, 255, 0.18);
  border-radius: 16px;
  padding: 16px 18px;
  display: grid;
  gap: 10px;
  color: var(--muted);
  box-shadow: 0 20px 45px rgba(3, 8, 12, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.briefing-title {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--accent);
  font-weight: 700;
}

.briefing-card p {
  line-height: 1.5;
  font-size: 0.96rem;
  color: var(--text);
}

.briefing-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

button {
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  background: var(--panel-2);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
  transition: transform 0.15s ease, border 0.2s ease, background 0.2s ease;
}

button:hover {
  border-color: rgba(99, 230, 255, 0.4);
  transform: translateY(-1px);
}

button.primary {
  background: linear-gradient(140deg, var(--accent), var(--accent-2));
  color: #071019;
  border: none;
  position: relative;
  overflow: hidden;
  box-shadow: 0 10px 22px rgba(89, 198, 255, 0.32), 0 0 0 1px rgba(99, 230, 255, 0.2);
  text-shadow: 0 1px 0 rgba(255, 255, 255, 0.45);
}

button.primary::after {
  content: "";
  position: absolute;
  inset: -40% -20% -40% -20%;
  background: radial-gradient(circle at 30% 30%, rgba(255, 255, 255, 0.45), rgba(99, 230, 255, 0.0) 55%);
  opacity: 0.6;
  mix-blend-mode: screen;
  animation: buttonPulse 2.6s ease-in-out infinite;
  pointer-events: none;
}

button.primary:hover {
  transform: translateY(-2px) scale(1.01);
  box-shadow: 0 14px 28px rgba(89, 198, 255, 0.45), 0 0 0 1px rgba(141, 123, 255, 0.3);
}

button.primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 8px 14px rgba(89, 198, 255, 0.35);
}

@keyframes buttonPulse {
  0%,
  100% {
    transform: scale(0.9);
    opacity: 0.45;
  }
  50% {
    transform: scale(1.1);
    opacity: 0.85;
  }
}

button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.hud {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 12px;
}

.pill {
  padding: 10px 14px;
  border-radius: 12px;
  background: var(--panel);
  color: var(--text);
  border: 1px solid rgba(99, 230, 255, 0.15);
  font-size: 0.95rem;
  position: relative;
  overflow: hidden;
  box-shadow: 0 12px 24px rgba(3, 8, 12, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.pill::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent, rgba(99, 230, 255, 0.12), transparent);
  transform: translateX(-120%);
  animation: pillSweep 5s ease-in-out infinite;
  pointer-events: none;
}

.stage {
  position: relative;
  border-radius: 18px;
  background: linear-gradient(145deg, #0f1822, #0b1219);
  border: 1px solid rgba(99, 230, 255, 0.2);
  overflow: hidden;
  min-height: 420px;
  box-shadow: 0 30px 70px rgba(4, 10, 16, 0.65), 0 10px 24px rgba(99, 230, 255, 0.12);
}

.stage::before {
  content: "";
  position: absolute;
  inset: -50%;
  background: conic-gradient(from 0deg, rgba(99, 230, 255, 0.12), rgba(141, 123, 255, 0.08), rgba(99, 230, 255, 0.12));
  animation: stageSpin 18s linear infinite;
  opacity: 0.25;
  pointer-events: none;
}

.stage::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(0deg, rgba(99, 230, 255, 0.05), rgba(99, 230, 255, 0.05) 1px, transparent 1px, transparent 6px);
  mix-blend-mode: screen;
  opacity: 0.25;
  animation: scanMove 6s ease-in-out infinite;
  pointer-events: none;
}

canvas {
  width: 100%;
  height: 480px;
  display: block;
  background: radial-gradient(circle at 20% 20%, rgba(99, 230, 255, 0.08), transparent 45%),
    radial-gradient(circle at 80% 80%, rgba(141, 123, 255, 0.08), transparent 45%);
  box-shadow: inset 0 0 40px rgba(0, 0, 0, 0.45);
}

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  backdrop-filter: blur(6px);
  background: rgba(5, 10, 15, 0.6);
}

.overlay[hidden] {
  display: none;
}

.overlay-card {
  background: rgba(10, 18, 26, 0.92);
  border: 1px solid rgba(99, 230, 255, 0.25);
  padding: 28px;
  border-radius: 16px;
  max-width: 420px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 14px;
  position: relative;
  overflow: hidden;
  box-shadow: 0 24px 50px rgba(3, 8, 12, 0.65), inset 0 1px 0 rgba(255, 255, 255, 0.05);
}

.overlay-score {
  text-align: left;
  background: rgba(8, 14, 22, 0.75);
  border: 1px solid rgba(99, 230, 255, 0.18);
  border-radius: 12px;
  padding: 12px 14px;
  display: grid;
  gap: 8px;
}

.overlay-score h3 {
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

.overlay-score ul {
  list-style: none;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.9rem;
}

.overlay-score strong {
  color: var(--text);
}

.overlay-card::before {
  content: "";
  position: absolute;
  inset: -60% 10% 40% 10%;
  background: radial-gradient(circle, rgba(99, 230, 255, 0.55), transparent 65%);
  opacity: 0.35;
  animation: overlayGlow 4.5s ease-in-out infinite;
  pointer-events: none;
}

.overlay-kicker {
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.7rem;
}

.overlay-hint {
  color: var(--muted);
  font-size: 0.95rem;
}

.overlay-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}

.legend {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  background: var(--panel);
  border: 1px solid rgba(99, 230, 255, 0.15);
  border-radius: 16px;
  padding: 18px;
  box-shadow: 0 18px 40px rgba(4, 10, 16, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.legend-block h3 {
  font-size: 1rem;
  margin-bottom: 8px;
}

.legend-block ul {
  list-style: none;
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 0.92rem;
}

.legend-block strong {
  color: var(--text);
}

.faq {
  background: var(--panel);
  border: 1px solid rgba(99, 230, 255, 0.15);
  border-radius: 16px;
  padding: 18px;
  display: grid;
  gap: 12px;
  box-shadow: 0 18px 40px rgba(4, 10, 16, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.faq h3 {
  font-size: 1rem;
}

.faq-item {
  display: grid;
  gap: 8px;
  color: var(--muted);
}

.faq-q {
  color: var(--text);
  font-weight: 600;
}

.faq-a {
  line-height: 1.5;
}

.knowledge {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}

.knowledge-card {
  background: var(--panel);
  border: 1px solid rgba(99, 230, 255, 0.18);
  border-radius: 16px;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  animation: cardFloat 5.5s ease-in-out infinite;
  box-shadow: 0 20px 45px rgba(3, 8, 12, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.knowledge-card::before {
  content: "";
  position: absolute;
  inset: -60% 20% 60% 20%;
  background: radial-gradient(circle, rgba(141, 123, 255, 0.35), transparent 70%);
  opacity: 0.6;
  animation: cardGlow 6s ease-in-out infinite;
  pointer-events: none;
}

.knowledge-card > * {
  position: relative;
  z-index: 1;
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}

.card-subtitle {
  color: var(--muted);
  font-size: 0.92rem;
}

.tag {
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  background: rgba(99, 230, 255, 0.15);
  border: 1px solid rgba(99, 230, 255, 0.3);
  color: var(--text);
}

.knowledge-log {
  list-style: none;
  display: grid;
  gap: 10px;
}

.knowledge-log li {
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(11, 20, 28, 0.8);
  border: 1px solid rgba(99, 230, 255, 0.12);
  display: grid;
  gap: 4px;
  font-size: 0.9rem;
}

.knowledge-log strong {
  color: var(--text);
  font-size: 0.88rem;
}

.structure-steps {
  list-style: none;
  display: grid;
  gap: 8px;
  counter-reset: structure;
}

.structure-steps li {
  padding: 10px 12px 10px 16px;
  border-radius: 12px;
  border: 1px solid rgba(99, 230, 255, 0.12);
  background: rgba(12, 20, 30, 0.6);
  position: relative;
  color: var(--muted);
}

.structure-steps li::before {
  counter-increment: structure;
  content: counter(structure);
  position: absolute;
  left: -6px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: rgba(99, 230, 255, 0.2);
  color: var(--text);
  font-size: 0.7rem;
  border: 1px solid rgba(99, 230, 255, 0.4);
}

.structure-steps li.is-active {
  color: var(--text);
  border-color: rgba(141, 123, 255, 0.45);
  box-shadow: 0 8px 18px rgba(141, 123, 255, 0.25);
  transform: translateY(-2px);
  background: rgba(18, 26, 40, 0.85);
}

.matrix {
  display: grid;
  gap: 8px;
}

.matrix-row {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 8px;
  padding: 10px 12px;
  border-radius: 12px;
  background: rgba(10, 18, 28, 0.7);
  border: 1px solid rgba(99, 230, 255, 0.12);
  color: var(--muted);
}

.matrix-row span:first-child {
  color: var(--text);
  font-weight: 600;
}

@keyframes kickerFlicker {
  0%,
  100% {
    opacity: 0.7;
  }
  50% {
    opacity: 1;
  }
}

@keyframes pillSweep {
  0%,
  100% {
    transform: translateX(-120%);
  }
  50% {
    transform: translateX(120%);
  }
}

@keyframes stageSpin {
  0% {
    transform: rotate(0deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes scanMove {
  0%,
  100% {
    transform: translateY(-6%);
    opacity: 0.18;
  }
  50% {
    transform: translateY(6%);
    opacity: 0.35;
  }
}

@keyframes overlayGlow {
  0%,
  100% {
    transform: translateY(-6%);
    opacity: 0.25;
  }
  50% {
    transform: translateY(6%);
    opacity: 0.45;
  }
}

@keyframes cardFloat {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-6px);
  }
}

@keyframes cardGlow {
  0%,
  100% {
    transform: translateY(-8%);
    opacity: 0.35;
  }
  50% {
    transform: translateY(8%);
    opacity: 0.65;
  }
}

@media (max-width: 720px) {
  canvas {
    height: 360px;
  }
}

/* Touch directive buttons (mobile only) */
.touch-directives{display:none;gap:.6rem;flex-wrap:wrap;justify-content:center;padding:.6rem 0}
.dir-btn{
  padding:.7rem 1.1rem;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);
  color:var(--text);
  font-weight:800;
  font-size:.9rem;
  letter-spacing:.06em;
  cursor:pointer;
  touch-action:manipulation;
}
.dir-btn[data-dir="1"]{border-color:rgba(99,230,255,.35);color:#63e6ff}
.dir-btn[data-dir="2"]{border-color:rgba(141,123,255,.35);color:#8d7bff}
.dir-btn[data-dir="3"]{border-color:rgba(124,255,182,.35);color:#7cffb6}
.dir-btn.exec{border-color:rgba(255,180,100,.35);color:#ffb464;font-weight:900}

@media (hover:none) and (pointer:coarse){
  .touch-directives{display:flex}
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }

  button.primary::after {
    animation: none;
  }

  .stage::before,
  .stage::after,
  .overlay-card::before,
  .knowledge-card,
  .knowledge-card::before,
  .pill::after,
  .kicker {
    animation: none !important;
  }
}