/**
 * Study Grid Prep – Universal Native App Pull to Refresh Stylesheet
 * Native iOS / Android gesture-driven pull-to-refresh UI.
 * High-contrast, theme-adaptive, glassmorphic floating indicator.
 */

.sgp-ptr-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 99998;
  pointer-events: none;
  overflow: visible;
  transition: transform 0.22s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.2s ease;
  opacity: 0;
}

.sgp-ptr-overlay.sgp-ptr-pulling {
  transition: none;
  opacity: 1;
}

.sgp-ptr-overlay.sgp-ptr-refreshing {
  opacity: 1;
  transition: transform 0.25s ease;
}

.sgp-ptr-pill {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  background: var(--surface, #FFFFFF);
  color: var(--text, #0F172A);
  border: 1.5px solid var(--border, #E2E8F0);
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.16), 0 2px 8px rgba(15, 23, 42, 0.08);
  border-radius: 99px;
  padding: 8px 18px;
  font-size: 12.5px;
  font-weight: 700;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  user-select: none;
  pointer-events: auto;
  will-change: transform, opacity;
  transform: translateZ(0);
}

[data-theme="dark"] .sgp-ptr-pill {
  background: var(--surface, #151E32);
  color: var(--text, #E8F0FE);
  border-color: var(--border, rgba(255, 255, 255, 0.14));
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.55), 0 2px 10px rgba(0, 0, 0, 0.3);
}

.sgp-ptr-icon-box {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent, #5B5BF6);
  font-size: 13px;
  transition: transform 0.2s cubic-bezier(0.34, 1.56, 0.64, 1);
  flex-shrink: 0;
}

.sgp-ptr-icon-box i {
  display: inline-block;
  color: inherit;
  font-size: 13px;
}

.sgp-ptr-icon-box.flipped {
  transform: rotate(180deg);
}

.sgp-ptr-text {
  letter-spacing: 0.15px;
  white-space: nowrap;
}