@import url("https://fonts.googleapis.com/css2?family=Josefin+Sans:wght@600&display=swap");

/* === Persistent Nav Buttons === */

#persistent-nav {
  position: fixed;
  top: 16px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 10001;
  pointer-events: auto;
}

.nav-btn {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #fff;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-family: "Josefin Sans", sans-serif;
  font-size: 14px;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  transition: all 0.2s;
}

.nav-btn:hover {
  background: #fff;
  color: #000;
  border-color: #fff;
}

/* === Right-side action button === */
.right-btn {
  background: var(--glass-bg, rgba(255, 255, 255, 0.05));
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
  color: var(--text-color, #fff);
  padding: 8px 16px;
  font-family: "Josefin Sans", sans-serif;
  font-size: 10px;
  letter-spacing: 2px;
  cursor: pointer;
  text-transform: uppercase;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  transition: all 0.3s ease;
  pointer-events: auto;
  white-space: nowrap;
}

.right-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.5);
}

/* === Activity Title Block === */
.title-block,
.title-group {
  position: fixed;
  top: 24px;
  left: 24px;
  text-align: left;
  opacity: 0.8;
  pointer-events: none;
  z-index: 1000;
  transition: opacity 0.3s ease;
  max-width: calc(50vw - 80px);
}

@media (max-width: 600px) {
  .title-text,
  .title-main,
  .title-block .title,
  .title-group .title {
    font-size: 10px;
    letter-spacing: 2px;
  }

  .subtitle,
  .subtitle-text,
  .title-sub {
    font-size: 8px;
    letter-spacing: 1px;
  }
}

/* === Activity Titles === */
.title-text,
.title-main,
.title-block .title,
.title-group .title {
  font-family: "Josefin Sans", sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 4px;
  text-transform: uppercase;
  margin-bottom: 4px;
}

/* === Activity Subtitles === */
.subtitle,
.subtitle-text,
.title-sub {
  font-family: "Josefin Sans", sans-serif;
  font-size: 10px;
  font-weight: 300;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #777;
  margin-top: 4px;
}

/* === Init / Start Overlay === */

#start-overlay,
#init-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease;
  pointer-events: auto;
}

.start-btn,
#init-btn {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  padding: 16px 32px;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 3px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
}

.start-btn:hover,
#init-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.hint,
.init-text,
.init-hint {
  margin-top: 24px;
  font-size: 10px;
  color: #888;
  letter-spacing: 1px;
  text-align: center;
  line-height: 1.8;
  text-transform: uppercase;
}
#start-overlay {
  z-index: 100;
}

#start-overlay.hidden,
#init-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}