.space-reading-page {
  position: fixed;
  inset: 0;
  overflow: hidden;
  min-height: 100vh;
  background: #050612;
  color: #fff7e8;
  isolation: isolate;
}

.space-reading-image,
.space-reading-image-fallback {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  background: #0a0b18;
}

.space-reading-page::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      rgba(0, 0, 0, 0.5) 0%,
      transparent 16%,
      transparent 84%,
      rgba(0, 0, 0, 0.5) 100%
    ),
    linear-gradient(
      180deg,
      rgba(0, 0, 0, 0.1) 0%,
      rgba(0, 0, 0, 0.04) 45%,
      rgba(0, 0, 0, 0.64) 100%
    );
}

.space-reading-menu,
.space-reading-arrow,
.space-reading-word-panel {
  position: absolute;
  z-index: 2;
}

.space-reading-menu,
.space-reading-arrow {
  display: grid;
  place-items: center;
  border: 2px solid rgba(255, 255, 255, 0.88);
  border-radius: 999px;
  background: rgba(10, 12, 25, 0.38);
  color: #fff;
  box-shadow: 0 12px 24px rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(7px);
}

.space-reading-menu {
  top: max(18px, env(safe-area-inset-top));
  left: max(18px, env(safe-area-inset-left));
  width: 56px;
  height: 56px;
  font-size: 32px;
  line-height: 1;
}

.space-reading-arrow {
  top: 50%;
  width: 62px;
  height: 62px;
  transform: translateY(-50%);
  color: #f2243d;
  text-shadow:
    0 2px 0 #fff,
    0 -2px 0 #fff,
    2px 0 0 #fff,
    -2px 0 0 #fff;
  font-size: 76px;
  font-family: Georgia, serif;
  line-height: 0.6;
}

.space-reading-arrow.left {
  left: max(28px, env(safe-area-inset-left));
}

.space-reading-arrow.right {
  right: max(28px, env(safe-area-inset-right));
}

.space-reading-word-panel {
  left: 50%;
  bottom: max(28px, env(safe-area-inset-bottom));
  width: min(720px, calc(100vw - 36px));
  transform: translateX(-50%);
  text-align: center;
  filter: drop-shadow(0 14px 18px rgba(0, 0, 0, 0.42));
}

.space-reading-word-panel p {
  width: fit-content;
  max-width: 100%;
  margin: 0 auto 8px;
  padding: 7px 14px;
  border-radius: 999px;
  background: rgba(5, 8, 20, 0.62);
  color: #f6fbff;
  font-size: clamp(15px, 2vw, 20px);
  font-weight: 800;
}

.space-reading-word-panel h1,
.space-reading-word {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-size: clamp(58px, 12vw, 116px);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: 0;
  overflow-wrap: anywhere;
  text-shadow:
    0 5px 0 #fff3dc,
    0 10px 18px rgba(0, 0, 0, 0.72);
}

.space-reading-word {
  --space-reading-fill: 0%;
}

.space-reading-word span {
  display: inline-block;
  color: rgba(255, 243, 220, 0.78);
  background-image: linear-gradient(90deg, #ffd15f 0%, #ff8a28 42%, #f22735 100%);
  background-repeat: no-repeat;
  background-size: var(--space-reading-fill) 100%;
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  transition: background-size 120ms ease;
}

.space-reading-word.is-active span {
  filter: brightness(1.08);
}

.space-reading-slider-shell {
  width: min(540px, 74vw);
  margin: 18px auto 0;
}

.space-reading-slider-label {
  display: block;
  margin-bottom: 8px;
  color: #fff7e8;
  font-size: 15px;
  font-weight: 800;
}

.space-reading-slider {
  --space-reading-fill: 0%;
  width: 100%;
  height: 24px;
  margin: 0;
  appearance: none;
  background: transparent;
}

.space-reading-slider::-webkit-slider-runnable-track {
  position: relative;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  background:
    linear-gradient(90deg, #ffd15f 0%, #ff8a28 48%, #f22735 100%) 0 / var(--space-reading-fill) 100% no-repeat,
    rgba(4, 6, 18, 0.78);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.space-reading-slider::-moz-range-track {
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.9);
  border-radius: 999px;
  background:
    linear-gradient(90deg, #ffd15f 0%, #ff8a28 48%, #f22735 100%) 0 / var(--space-reading-fill) 100% no-repeat,
    rgba(4, 6, 18, 0.78);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

.space-reading-slider::-webkit-slider-thumb {
  appearance: none;
  width: 34px;
  height: 34px;
  margin-top: -10px;
  border: 4px solid #fff7e8;
  border-radius: 50%;
  background: radial-gradient(circle at 36% 36%, #ffd15f, #ffb428 64%, #ff8a28);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
  cursor: grab;
}

.space-reading-slider::-moz-range-thumb {
  width: 34px;
  height: 34px;
  border: 4px solid #fff7e8;
  border-radius: 50%;
  background: radial-gradient(circle at 36% 36%, #ffd15f, #ffb428 64%, #ff8a28);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.35);
  cursor: grab;
}

.space-reading-count {
  width: fit-content;
  margin: 7px auto 0;
  padding: 5px 11px;
  border-radius: 999px;
  background: rgba(5, 8, 20, 0.58);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

@media (max-width: 720px) {
  .space-reading-page::after {
    background:
      linear-gradient(
        90deg,
        rgba(0, 0, 0, 0.48) 0%,
        transparent 24%,
        transparent 76%,
        rgba(0, 0, 0, 0.48) 100%
      ),
      linear-gradient(
        180deg,
        rgba(0, 0, 0, 0.08) 0%,
        rgba(0, 0, 0, 0.06) 42%,
        rgba(0, 0, 0, 0.72) 100%
      );
  }

  .space-reading-menu {
    width: 50px;
    height: 50px;
    font-size: 28px;
  }

  .space-reading-arrow {
    width: 48px;
    height: 48px;
    font-size: 58px;
  }

  .space-reading-arrow.left {
    left: 12px;
  }

  .space-reading-arrow.right {
    right: 12px;
  }

  .space-reading-word-panel {
    bottom: max(18px, env(safe-area-inset-bottom));
  }

  .space-reading-word-panel h1 {
    font-size: clamp(44px, 15vw, 72px);
    text-shadow:
      0 4px 0 #fff3dc,
      0 9px 16px rgba(0, 0, 0, 0.74);
  }

  .space-reading-slider-shell {
    width: min(420px, 78vw);
  }

  .space-reading-slider-label {
    font-size: 14px;
  }

  .space-reading-slider::-webkit-slider-runnable-track,
  .space-reading-slider::-moz-range-track {
    height: 16px;
  }

  .space-reading-slider::-webkit-slider-thumb,
  .space-reading-slider::-moz-range-thumb {
    width: 30px;
    height: 30px;
  }
}