/* ---- Buttons ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  height: 42px;
  padding: 0 18px;
  border-radius: 999px;
  font-size: 13.5px;
  font-weight: 500;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background 0.15s,
    border-color 0.15s,
    transform 0.05s,
    color 0.15s;
  white-space: nowrap;
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--ink-1);
  color: #fff;
}
.btn-primary:hover {
  background: #0f1813;
}
.btn-accent {
  background: var(--accent);
  color: #fff;
}
.btn-accent:hover {
  background: var(--accent-deep);
}
.btn-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink-1);
}
.btn-ghost:hover {
  background: rgba(28, 42, 35, 0.04);
}
.btn-lg {
  height: 52px;
  padding: 0 26px;
  font-size: 14.5px;
  font-weight: 600;
}
.btn .meta {
  font-size: 11.5px;
  color: rgba(255, 255, 255, 0.55);
  margin-left: 6px;
  font-weight: 400;
}
.btn-ghost .meta {
  color: var(--ink-4);
}

/* ---- Brand mark ---- */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  font-size: 15.5px;
  letter-spacing: -0.012em;
}
.brand-logo {
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: #fff3e5;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  border: 1px solid #f5ddc0;
}
.brand-logo img {
  width: 26px;
  height: 26px;
  image-rendering: pixelated;
}

/* ---- Pulse dot ---- */
.pulse-dot {
  position: relative;
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}
.pulse-dot::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.4;
  animation: pulse-ring 2s ease-out infinite;
}
@keyframes pulse-ring {
  0% {
    transform: scale(1);
    opacity: 0.5;
  }
  100% {
    transform: scale(3);
    opacity: 0;
  }
}