.real-flipbook {
  background: #111923;
  border: 1px solid #394456;
  border-radius: 12px;
  overflow: hidden;
  margin: 22px 0;
}

.rf-toolbar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 16px;
  background: #1b2635;
}

.rf-toolbar button {
  padding: 11px 18px;
  border: 1px solid #56657a;
  border-radius: 6px;
  background: #304258;
  color: white;
  cursor: pointer;
  font-size: 14px;
}

.rf-toolbar button:hover {
  background: #49637e;
}

.rf-counter {
  min-width: 130px;
  text-align: center;
  color: #f1e3c4;
  font-weight: bold;
}

.rf-stage {
  position: relative;
  min-height: 650px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px 12px;
  overflow: hidden;
  background:
    radial-gradient(ellipse at center, #3c4654 0%, #202b39 55%, #111923 100%);
}

.rf-book {
  width: 100%;
  max-width: 1050px;
  margin: auto;
}

.rf-page {
  background: #fff;
  overflow: hidden;
  box-shadow: inset 0 0 12px #00000012;
}

.rf-page canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.rf-page-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: white;
}

.rf-status {
  padding: 10px 18px;
  text-align: center;
  color: #cad3de;
  font-size: 13px;
}

.rf-tip {
  text-align: center;
  color: #c4ccd7;
  font-size: 13px;
  padding: 0 15px 18px;
}

.rf-error {
  color: #ffb4a9;
}

@media(max-width:700px) {
  .rf-stage {
    min-height: 420px;
    padding: 16px 4px;
  }

  .rf-toolbar {
    gap: 6px;
  }

  .rf-toolbar button {
    padding: 10px 12px;
  }
}