:root {
  --bg: #071026; /* deep navy */
  --panel: #0b1222;
  --neon: #00b3ff;
  --neon2: #8b5cf6;
  --muted: #9aa7c0;
  --glass: rgba(255, 255, 255, 0.03);
}
* {
  box-sizing: border-box;
}
html,
body {
  /* height: 100%; */
  margin: 0;
  background: linear-gradient(180deg, var(--bg), #020617);
  color: #d9eefb;
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    Segoe UI,
    Roboto,
    "Helvetica Neue",
    Arial;
}
.hide-system-cursor {
  cursor: none;
} /* hide system cursor entirely */
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 36px;
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  background: linear-gradient(180deg, rgba(10, 16, 32, 0.6), transparent);
  z-index: 40;
}
.brand h1 {
  margin: 0;
  font-size: 20px;
}
.brand p {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}
.topbar nav a {
  color: var(--muted);
  margin-left: 16px;
  text-decoration: none;
}
.hero {
  display: flex;
  gap: 20px;
  padding: 36px;
  align-items: center;
}
.hero-left {
  flex: 1;
  max-width: 420px;
}
.game-wrap {
  flex: 1;
  display: flex;
  justify-content: center;
}
canvas {
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(2, 6, 12, 0.6));
  box-shadow:
    0 8px 40px rgba(0, 0, 0, 0),
    inset 0 0 30px rgba(0, 179, 255, 0.03);
}

/* panels */
.panel {
  padding: 36px;
  margin: 18px;
  border-radius: 12px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.02),
    rgba(255, 255, 255, 0.01)
  );
  box-shadow: 0 6px 30px rgba(2, 6, 12, 0.6);
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}
html {
  scroll-behavior: smooth;
}
.card {
  padding: 12px;
  border-radius: 10px;
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.015),
    rgba(255, 255, 255, 0.01)
  );

  overflow: clip;
  border: 1px solid rgba(255, 255, 255, 0.03);
}

a {
  color: #03ac9c;
}
.meta {
  list-style: none;
  padding: 0;
}
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  padding: 8px 12px;
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(0, 179, 255, 0.08),
    rgba(139, 92, 246, 0.06)
  );
  border: 1px solid rgba(0, 179, 255, 0.06);
  font-size: 13px;
}

/* cursor canvas occupies full screen but is pointer-events:none so it doesn't block clicking */
.cursor-canvas {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

/* modal */
.modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(90deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0));
  z-index: 999;
}
.hidden {
  display: none;
}
.modal-card {
  width: min(720px, 94%);
  background: linear-gradient(180deg, #071026, #081828);
  padding: 18px;
  border-radius: 10px;
  border: 1px solid rgba(139, 92, 246, 0.12);
}
.close {
  background: transparent;
  border: 0;
  color: var(--muted);
  float: right;
  font-size: 18px;
}

/* footer */
.footer {
  padding: 20px;
  text-align: center;
  color: var(--muted);
  opacity: 1;
}

/* link animations */
.nav-link {
  position: relative;
  transition:
    transform 0.2s ease,
    color 0.18s ease;
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%) scaleX(0);
  bottom: -6px;
  height: 2px;
  width: 60%;
  background: linear-gradient(90deg, var(--neon), var(--neon2));
  transition: transform 0.25s ease;
}
.nav-link:hover::after {
  transform: translateX(-50%) scaleX(1);
}
.nav-link:active {
  transform: scale(0.98);
}

/* small screens */
@media (max-width: 800px) {
  .hero {
    flex-direction: column;
  }
  canvas {
    width: 100%;
  }
}

/* buttons */
.btn {
  display: inline-block;
  margin-top: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--neon), var(--neon2));
  color: #021126;
  text-decoration: none;
  font-weight: 600;
}

/* Toast Notifications */
#toast-container {
  position: fixed;
  bottom: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: linear-gradient(135deg, #1a2a4f, #102038);
  color: #d9eefb;
  padding: 15px 20px;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(139, 92, 246, 0.2);
  opacity: 0;
  transform: translateX(100%);
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.toast.show {
  opacity: 1;
  transform: translateX(0);
}

.toast.hide {
  opacity: 0;
  transform: translateX(100%);
}