.nm-calendar-add {
  position: relative;
  display: inline-flex;
  margin-top: .45rem;
  z-index: 6;
}

.nm-calendar-add__button {
  border: 1px solid rgba(230,57,70,.38);
  background: rgba(8,8,8,.78);
  color: #f2f2f2;
  border-radius: 999px;
  padding: .42rem .72rem;
  font-family: inherit;
  font-size: .78rem;
  letter-spacing: .02em;
  display: inline-flex;
  align-items: center;
  gap: .38rem;
  cursor: pointer;
  box-shadow: 0 0 18px rgba(230,57,70,.13);
}

.nm-calendar-add__button b {
  font-weight: 700;
}

.nm-calendar-add__button:hover {
  border-color: rgba(230,57,70,.82);
  box-shadow: 0 0 24px rgba(230,57,70,.22);
}

.nm-calendar-add__panel {
  position: absolute;
  right: 0;
  top: calc(100% + .5rem);
  width: min(280px, 82vw);
  padding: .85rem;
  border-radius: 18px;
  border: 1px solid rgba(230,57,70,.34);
  background:
    radial-gradient(circle at 15% 0%, rgba(230,57,70,.18), transparent 34%),
    rgba(10,10,10,.96);
  color: #eee;
  box-shadow: 0 18px 60px rgba(0,0,0,.55);
  backdrop-filter: blur(14px);
}

.nm-calendar-add__panel.is-open {
  display: block;
}

.nm-calendar-add__title {
  font-weight: 800;
  text-transform: uppercase;
  font-size: .78rem;
  letter-spacing: .08em;
  color: #e63946;
  margin-bottom: .35rem;
}

.nm-calendar-add__event {
  font-size: .86rem;
  line-height: 1.25;
  color: #ddd;
  margin-bottom: .7rem;
}

.nm-calendar-add__link,
.nm-calendar-add__close {
  width: 100%;
  box-sizing: border-box;
  display: block;
  margin-top: .42rem;
  padding: .62rem .7rem;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,.12);
  background: rgba(255,255,255,.045);
  color: #f5f5f5;
  text-decoration: none;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.nm-calendar-add__link:hover,
.nm-calendar-add__close:hover {
  border-color: rgba(230,57,70,.5);
  background: rgba(230,57,70,.12);
}

.nm-calendar-add__close {
  color: #aaa;
}

@media (max-width: 720px) {
  .nm-calendar-add {
    width: 100%;
  }

  .nm-calendar-add__button {
    width: 100%;
    justify-content: center;
  }

  .nm-calendar-add__panel {
    left: 0;
    right: auto;
    width: min(320px, 92vw);
  }
}