:root {
  --rolodex-red: #761f1b;
  --rolodex-red-dark: #571411;
  --rolodex-cream: #f3e8d2;
  --rolodex-cream-muted: #d9c9ad;
  --rolodex-exit-duration: 240ms;
  --rolodex-crossfade-duration: 650ms;
  --rolodex-reduced-transition-duration: 120ms;
}

html:not(.richard-loader-enabled) .rolodex-loader,
.rolodex-loader[hidden] {
  display: none;
}

html.richard-loader-enabled .page-shell {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px) scale(0.995);
}

.preview-page {
  min-height: 100dvh;
  overflow-x: hidden;
}

.preview-page.preview-loader-active { overflow: hidden; }

.preview-page.preview-loader-active .page-shell {
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px) scale(0.995);
}

.preview-page.preview-loader-active.preview-contact-revealing .page-shell {
  opacity: 1;
  transform: translateY(0) scale(1);
  transition: opacity var(--rolodex-crossfade-duration) ease-out, transform var(--rolodex-crossfade-duration) cubic-bezier(0.22, 1, 0.36, 1);
}

.rolodex-loader {
  position: fixed;
  z-index: 1000;
  inset: 0;
  display: grid;
  min-width: 320px;
  min-height: 100vh;
  min-height: 100dvh;
  place-items: center;
  overflow: hidden;
  padding: max(24px, env(safe-area-inset-top)) 18px max(84px, calc(64px + env(safe-area-inset-bottom)));
  background: var(--rolodex-red);
  color: var(--rolodex-cream);
  opacity: 1;
  transition: opacity var(--rolodex-exit-duration) cubic-bezier(0.4, 0, 1, 1);
}

.rolodex-loader.is-exiting {
  pointer-events: none;
  opacity: 0;
}

.rolodex-loader.is-contact-revealing {
  pointer-events: none;
  opacity: 0;
  transition: opacity var(--rolodex-crossfade-duration) ease-out;
}

.rolodex-loader.is-contact-revealing .rolodex-loader__scene {
  transform: translateY(-4px) scale(0.992);
  transition: transform var(--rolodex-crossfade-duration) cubic-bezier(0.22, 1, 0.36, 1);
}

.rolodex-loader__scene {
  display: grid;
  width: min(100%, 390px);
  justify-items: center;
  transform: translateY(0) scale(1);
  transition: transform var(--rolodex-exit-duration) cubic-bezier(0.4, 0, 1, 1);
}

.rolodex-loader.is-exiting .rolodex-loader__scene { transform: scale(0.97); }
.rolodex-loader__eyebrow,
.rolodex-loader__hint { display: none; }

.rolodex-loader__mechanism {
  --card-height: clamp(108px, 14.5dvh, 124px);
  --card-width: min(45vw, 178px);
  position: relative;
  display: grid;
  width: min(61vw, 244px);
  height: calc(var(--card-height) * 2 + 34px);
  place-items: center;
}

.rolodex-loader__viewport {
  position: absolute;
  inset: 0;
  overflow: visible;
  perspective: 900px;
  perspective-origin: 50% 45%;
}

.rolodex-graphic {
  position: absolute;
  top: 50%;
  left: 50%;
  width: var(--card-width);
  height: var(--card-height);
  transform: translate(-50%, -100%);
  transform-style: preserve-3d;
}

.rolodex-card {
  position: absolute;
  inset: 0;
  z-index: 3;
  display: grid;
  place-items: center;
  border: 1.5px solid var(--rolodex-cream);
  border-radius: 1px;
  background: var(--rolodex-red);
  color: var(--rolodex-cream);
  backface-visibility: hidden;
  transform: scaleY(1) rotateX(0deg);
  transform-origin: 50% 100%;
  transform-style: preserve-3d;
  will-change: transform;
}

.rolodex-card__name {
  position: relative;
  z-index: 1;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(0.9rem, 4vw, 1.18rem);
  font-weight: 700;
  letter-spacing: 0.035em;
  opacity: 1;
  will-change: opacity;
}

.rolodex-search-packet {
  position: absolute;
  z-index: 4;
  right: 0;
  bottom: calc(100% - 1px);
  left: 0;
  height: 22px;
  pointer-events: none;
  transform: translateY(5px);
}

.rolodex-search-packet__edges {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 12px;
}

.rolodex-search-packet__edges span {
  position: absolute;
  right: 6px;
  bottom: calc(var(--edge-index, 0) * 2px);
  left: calc(6px + var(--edge-index, 0) * 1.5px);
  border-top: 1px solid var(--rolodex-cream);
  opacity: 0.72;
  transition: opacity 140ms linear, transform 180ms ease-out;
}

.rolodex-search-packet__edges span:nth-child(1) { --edge-index: 0; }
.rolodex-search-packet__edges span:nth-child(2) { --edge-index: 1; }
.rolodex-search-packet__edges span:nth-child(3) { --edge-index: 2; }
.rolodex-search-packet__edges span:nth-child(4) { --edge-index: 3; }
.rolodex-search-packet__edges span:nth-child(5) { --edge-index: 4; }
.rolodex-search-packet__edges span:nth-child(6) { --edge-index: 5; }
.rolodex-search-packet__edges span.is-consumed {
  opacity: 0;
  transform: translateY(3px);
}

.rolodex-search-packet__tabs span {
  position: absolute;
  z-index: calc(8 - var(--section-index));
  bottom: 8px;
  left: var(--tab-left);
  display: grid;
  width: 29px;
  height: 15px;
  box-sizing: border-box;
  place-items: center;
  padding: 0;
  border: 1px solid var(--rolodex-cream);
  border-bottom: 0;
  border-radius: 1px 1px 0 0;
  background: var(--rolodex-cream);
  color: var(--rolodex-red);
  font: 700 0.43rem/1 system-ui, sans-serif;
  letter-spacing: 0.1em;
  text-align: center;
  transform-origin: 50% 100%;
  will-change: opacity, transform;
}

.rolodex-search-packet__tabs span:nth-child(1) { --section-index: 0; --tab-left: 51%; }
.rolodex-search-packet__tabs span:nth-child(2) { --section-index: 1; --tab-left: 54%; }
.rolodex-search-packet__tabs span:nth-child(3) { --section-index: 2; --tab-left: 57%; }
.rolodex-search-packet__tabs span:nth-child(4) { --section-index: 3; --tab-left: 60%; }
.rolodex-search-packet__tabs span.is-falling { z-index: 12; }
.rolodex-search-packet__tabs span.is-selected {
  z-index: 12;
  transform: translateY(4px);
}
.rolodex-search-packet__tabs span.is-transferred {
  z-index: calc(2 + var(--section-index));
}

.rolodex-receiving-pocket {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  left: 0;
  z-index: 1;
  height: var(--card-height);
  border: 1.5px solid var(--rolodex-cream);
  border-radius: 1px;
  background: var(--rolodex-red);
  opacity: 0.66;
  pointer-events: none;
}

.rolodex-loader__axle {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 5;
  display: flex;
  width: min(49vw, 192px);
  height: 1px;
  align-items: center;
  justify-content: space-evenly;
  pointer-events: none;
  transform: translate(-50%, -50%);
}

.rolodex-loader__axle span {
  width: 8px;
  height: 32px;
  border-radius: 999px;
  background: var(--rolodex-cream);
}

.rolodex-loader__side {
  position: absolute;
  top: 50%;
  z-index: 5;
  display: grid;
  gap: 5px;
  width: 18px;
  opacity: 0.7;
  transform: translateY(-50%);
}

.rolodex-loader__side--left { left: 0; }
.rolodex-loader__side--right { right: 0; }
.rolodex-loader__side span { display: block; width: 18px; height: 1px; background: var(--rolodex-cream); }
.rolodex-loader__side span:nth-child(2),
.rolodex-loader__side span:nth-child(4) { width: 13px; height: 3px; border-radius: 999px; }
.rolodex-loader__side--right span:nth-child(2),
.rolodex-loader__side--right span:nth-child(4) { justify-self: end; }

.preview-controls {
  position: fixed;
  z-index: 1100;
  right: max(12px, env(safe-area-inset-right));
  bottom: max(12px, env(safe-area-inset-bottom));
  left: max(12px, env(safe-area-inset-left));
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  pointer-events: none;
}

.preview-controls__label,
.preview-controls button {
  border: 1px solid rgba(243, 232, 210, 0.42);
  border-radius: 999px;
  background: var(--rolodex-red-dark);
  color: var(--rolodex-cream);
  font: 700 0.68rem/1 system-ui, sans-serif;
  letter-spacing: 0.04em;
}

.preview-controls__label { padding: 9px 11px; text-transform: uppercase; }
.preview-controls button { min-height: 40px; padding: 0 14px; cursor: pointer; pointer-events: auto; }
.preview-controls button:focus-visible { outline: 3px solid var(--rolodex-cream); outline-offset: 3px; }
.preview-controls button[hidden] { display: none; }

@media (max-width: 359px) {
  .rolodex-loader__mechanism { --card-width: 150px; width: 212px; }
  .preview-controls__label { display: none; }
  .preview-controls button { padding-inline: 12px; }
}

@media (min-width: 700px) {
  .rolodex-loader__mechanism { transform: scale(1.08); }
}

@media (prefers-reduced-motion: reduce) {
  .rolodex-loader,
  .rolodex-loader__scene { transition-duration: var(--rolodex-reduced-transition-duration); }
}