.slider_wrap {
  position: relative;
  width: 100%;
  max-width: 600px;
  margin: 1.5rem auto 0.5rem;
  border-radius: 12px;
  overflow: hidden;
  border: 0.5px solid rgba(0, 0, 0, 0.15);
  user-select: none;
  touch-action: none;
}

.slider_wrap canvas {
  display: block;
  width: 100%;
}

.slider_divider {
  position: absolute;
  top: 0;
  bottom: 0;
  width: 2px;
  background: white;
  pointer-events: none;
  transform: translateX(-50%);
}

.slider_handle {
  position: absolute;
  top: 50%;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: white;
  border: 2px solid #ccc;
  transform: translate(-50%, -50%);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: ew-resize;
  box-sizing: border-box;
  box-shadow: 0 1px 6px rgba(0, 0, 0, 0.18);
  gap: 2px;
  z-index: 10;
}

.slider_arrow_left,
.slider_arrow_right {
  font-size: 13px;
  font-weight: 700;
  color: #555;
  display: inline-block;
  line-height: 1;
}

.slider_arrow_right {
  animation: slider_nudge 1.6s ease-in-out infinite;
}

.slider_arrow_left {
  animation: slider_nudge_left 1.6s ease-in-out infinite;
}

@keyframes slider_nudge {
  0%, 100% { transform: translateX(0); opacity: 1; }
  50%       { transform: translateX(4px); opacity: 0.4; }
}

@keyframes slider_nudge_left {
  0%, 100% { transform: translateX(0); opacity: 0.4; }
  50%       { transform: translateX(-4px); opacity: 1; }
}

.slider_label {
  position: absolute;
  top: 14px;
  left: 14px;
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.04em;
  background: white;
  border: 1px solid rgba(0, 0, 0, 0.12);
  color: #555;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 10;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

.slider_hint {
  text-align: center;
  font-size: 12px;
  color: #999;
  margin-top: 10px;
  margin-bottom: 2rem;
}

/* ---------- tabs ---------- */

.slider_tabs {
  display: flex;
  gap: 0;
  border-bottom: 1.5px solid rgba(0, 0, 0, 0.1);
  margin-bottom: 2rem;
}

.slider_tab_btn {
  padding: 10px 28px;
  font-size: 14px;
  font-weight: 500;
  color: #888;
  background: none;
  border: none;
  border-bottom: 2.5px solid transparent;
  margin-bottom: -1.5px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s;
  letter-spacing: 0.01em;
}

.slider_tab_btn:hover {
  color: #444;
}

.slider_tab_btn.slider_tab_active {
  color: #1a1a1a;
  border-bottom-color: #1a1a1a;
}

.slider_section {
  display: none;
}

.slider_section.slider_section_active {
  display: block;
}