/* The Dial (packet 06). Page-scoped only: reads tokens/base/ornament, never edits them. */

body.page--dial {
  height: 100%;
  overflow: hidden;
}

/* The ring rises up behind the header, exactly as in frame 1: the header goes transparent
   here and the sky/ring painting shows straight through it. */
.page--dial .site-header {
  position: relative;
  z-index: 5;
  background: linear-gradient(180deg, rgb(7 6 5 / 46%), transparent 85%);
  box-shadow: none;
  border-bottom-color: transparent;
}

.dial-stage {
  position: fixed;
  inset: 0;
  display: block;
  width: 100vw;
  height: 100vh;
  min-height: 0;
  padding: 0;
  background: none;
  cursor: grab;
  /* Reserved bands so the rail/panel (top) and fact/teaser (bottom) never fight for the
     same pixels on short viewports -- sized off height, not guessed fixed pixels. */
  --top-band: clamp(118px, 13vh, 150px);
  --bottom-band: clamp(150px, 23vh, 215px);
  /* The ring's diameter. QA fix: on short windows (1280x800, 1440x900, 1672x941) the ring's bottom medallions and
     their captions ran under the era scrubber, hiding their titles. The last term keeps ring + medallion
     captions (about 44px below the ring) clear of the scrubber (about 75px from the bottom). */
  --ring-d: min(74vh, 58vw, 760px, calc(94vh - 245px));
  /* Width and edge offset of the bottom-corner panels (Did You Know, Artifacts): the scrubber is fitted between them. */
  --side-w: clamp(260px, 21vw, 350px);
  --side-x: clamp(18px, 2.4vw, 44px);
}

.dial-stage:active {
  cursor: grabbing;
}

.dial-stage::after {
  content: none;
}

.dial-stage:focus-visible {
  outline: none;
}

/* ---------------------------------------------------------------- sky + FX */

.dial-sky {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  background: #04030a url("../../images/redesign/dial/sky.webp") center 30% / cover no-repeat;
}

.dial-sky::before {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  content: "";
  background: radial-gradient(ellipse 70% 60% at 50% 100%, rgb(255 140 50 / 14%), transparent 70%),
    radial-gradient(ellipse at 50% -10%, rgb(0 0 0 / 0%), rgb(0 0 0 / 55%) 100%),
    linear-gradient(180deg, rgb(7 6 5 / 15%) 0%, transparent 18%, transparent 78%, rgb(7 6 5 / 55%) 100%);
}

.dial-fx {
  position: absolute;
  inset: 0;
  z-index: 1;
  width: 100%;
  height: 100%;
}

/* ------------------------------------------------------------------ rail */

.dial-rail {
  position: absolute;
  top: var(--top-band);
  bottom: var(--bottom-band);
  left: clamp(18px, 2.6vw, 44px);
  z-index: 6;
  display: flex;
  align-items: center;
  width: clamp(140px, 12.5vw, 205px);
}

.dial-rail__list {
  display: flex;
  flex-direction: column;
  gap: clamp(0.4rem, 1.6vh, 0.95rem);
  padding: 0;
  margin: 0;
  overflow-y: auto;
  list-style: none;
  border-left: 1px solid var(--hairline-faint);
  scrollbar-width: none;
  max-height: 100%;
}

.dial-rail__list::-webkit-scrollbar {
  display: none;
}

.dial-rail__button {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 2px 0 2px 16px;
  margin-left: -1px;
  color: var(--ash);
  border: 0;
  border-left: 1px solid transparent;
  background: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.74rem;
  letter-spacing: 0.145em;
  text-align: left;
  text-shadow: 0 2px 6px rgb(0 0 0 / 70%);
  transition: color 180ms ease;
}

.dial-rail__dot {
  flex: 0 0 auto;
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  border-radius: 50%;
  background: rgb(7 6 5 / 80%);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.dial-rail__button:hover,
.dial-rail__button:focus-visible {
  color: var(--gold-hot);
}

.dial-rail__button[aria-current="true"] {
  color: var(--gold-hot);
  border-left-color: var(--gold);
}

.dial-rail__button[aria-current="true"] .dial-rail__dot {
  background: var(--gold-hot);
  box-shadow: var(--gold-glow);
}

/* -------------------------------------------------------------- the ring */

.dial-ring-wrap {
  position: absolute;
  top: 53%;
  left: 50%;
  z-index: 2;
  width: var(--ring-d);
  aspect-ratio: 1;
  transform: translate(-50%, -50%);
  touch-action: none;
}

.dial-ring {
  position: absolute;
  inset: 0;
  /* a true circle, face-on (Daryll 2026-10-06: the squashed 0.8 tilt read as an oval) */
  transform-origin: center;
}

.dial-ring__art {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 32px rgb(230 166 86 / 18%));
  will-change: transform;
}

.dial-window {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 49.5%;
  height: 49.5%;
  overflow: hidden;
  border-radius: 50%;
  box-shadow: inset 0 0 0 3px rgb(7 6 5 / 65%), inset 0 0 44px 10px rgb(0 0 0 / 55%), 0 0 40px 6px rgb(230 166 86 / 12%);
  transform: translate(-50%, -50%);
}

.dial-window::after {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  content: "";
  background: radial-gradient(circle at 50% 42%, transparent 55%, rgb(7 6 5 / 55%) 100%);
}

.dial-window__plate,
.dial-window__ghost {
  position: absolute;
  inset: -3%;
  background-repeat: no-repeat;
  background-position-x: 50%;
  background-position-y: 38%;
  background-size: 230% auto;
}

.dial-window__ghost {
  z-index: 1;
  opacity: 0;
  transition: none;
}

.dial-window__plate {
  z-index: 0;
}

/* -------------------------------------------------------------- orbit */

/* Nested inside .dial-ring-wrap so it always shares its exact box, at every breakpoint. */
.dial-orbit {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
}

.dial-orbit__thread {
  position: absolute;
  inset: 0;
  overflow: visible;
}

.dial-orbit__gold,
.dial-orbit__blue {
  fill: none;
  stroke-linecap: round;
  stroke-width: 3.5;
}

.dial-orbit__gold {
  stroke: var(--gold);
  filter: drop-shadow(var(--gold-glow));
}

.dial-orbit__blue {
  stroke: var(--blue);
  filter: drop-shadow(var(--blue-glow));
}

.dial-orbit__medallions {
  position: absolute;
  inset: 0;
}

.dial-medallion {
  position: absolute;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: clamp(72px, 9.2vw, 112px);
  padding: 0;
  border: 0;
  background: none;
  cursor: pointer;
  pointer-events: auto;
  transform: translate(-50%, -50%);
}

.event-art--medallion {
  display: block;
  width: clamp(58px, 7.4vw, 92px);
  aspect-ratio: 1;
  border: 3px double var(--gold);
  border-radius: 50%;
  outline: 1px solid rgb(7 6 5 / 70%);
  outline-offset: -4px;
  box-shadow: var(--gold-glow), 0 6px 16px rgb(0 0 0 / 55%);
  transition: box-shadow 200ms ease, transform 200ms ease;
}

.dial-medallion:hover .event-art--medallion,
.dial-medallion:focus-visible .event-art--medallion {
  transform: scale(1.08);
}

.dial-medallion[aria-pressed="true"] .event-art--medallion {
  box-shadow: 0 0 0 3px var(--gold-hot), var(--gold-glow), 0 6px 20px rgb(0 0 0 / 55%);
}

.dial-medallion.is-theoretical .event-art--medallion {
  border-color: var(--blue);
  box-shadow: var(--blue-glow), 0 6px 16px rgb(0 0 0 / 55%);
}

.dial-medallion.is-theoretical[aria-pressed="true"] .event-art--medallion {
  box-shadow: 0 0 0 3px var(--blue-hot), var(--blue-glow), 0 6px 20px rgb(0 0 0 / 55%);
}

.dial-medallion__caption {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-top: 6px;
  color: var(--parchment);
  text-align: center;
  text-shadow: 0 2px 6px rgb(0 0 0 / 85%), 0 0 10px rgb(0 0 0 / 70%);
}

.dial-medallion__year {
  font-family: var(--font-display);
  font-size: clamp(0.6rem, 0.85vw, 0.72rem);
  color: var(--gold-hot);
  letter-spacing: 0.04em;
}

.dial-medallion.is-theoretical .dial-medallion__year {
  color: var(--blue-hot);
}

.dial-medallion__title {
  max-width: 12ch;
  font-family: var(--font-body);
  font-size: clamp(0.62rem, 0.95vw, 0.78rem);
  font-weight: 600;
  line-height: 1.15;
}

/* ---------------------------------------------------------- event-art (shared) */

.event-art {
  position: relative;
  display: block;
  overflow: hidden;
  background: var(--plate) var(--crop-x, 50%) 42% / 260% auto no-repeat, var(--rock);
}

.event-art img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 35%;
  opacity: 0;
  transition: opacity 260ms ease;
}

.event-art.has-image img {
  opacity: 1;
}

/* -------------------------------------------------------------- event panel */

.dial-event {
  position: absolute;
  top: var(--top-band);
  right: clamp(20px, 2.4vw, 46px);
  z-index: 6;
  display: flex;
  flex-direction: column;
  width: clamp(280px, 22.5vw, 372px);
  max-height: calc(100vh - var(--top-band) - var(--bottom-band));
  padding: 1.1rem 1.25rem 1.3rem;
}

.dial-event__scroll {
  min-height: 0;
  margin-bottom: 0.85rem;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--gold) transparent;
}

.dial-event__scroll::-webkit-scrollbar {
  width: 6px;
}

.dial-event__scroll::-webkit-scrollbar-track {
  background: transparent;
}

.dial-event__scroll::-webkit-scrollbar-thumb {
  border-radius: 3px;
  background: var(--rock-edge);
}

.dial-event__scroll::-webkit-scrollbar-thumb:hover {
  background: var(--gold);
}

.dial-event__figure {
  margin: 0 0 0.75rem;
}

.event-art--panel {
  width: 100%;
  aspect-ratio: 16 / 10;
  border: 1px solid var(--hairline-faint);
  border-radius: 3px;
}

.dial-event__date {
  margin: 0 0 0.15rem;
  color: var(--gold-hot);
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.06em;
}

.dial-event.is-theoretical .dial-event__date {
  color: var(--blue-hot);
}

.dial-event__title {
  margin: 0 0 0.55rem;
  color: var(--parchment);
  font-family: var(--font-display);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  line-height: 1.2;
}

.dial-event__tag {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  margin-bottom: 0.7rem;
  border: 1px solid var(--gold);
  border-radius: 999px;
  color: var(--gold-hot);
  font-family: var(--font-display);
  font-size: 0.66rem;
  letter-spacing: 0.14em;
}

.dial-event.is-theoretical .dial-event__tag {
  border-color: var(--blue);
  color: var(--blue-hot);
}

.dial-event__desc,
.dial-event__details {
  margin: 0 0 0.75rem;
  color: var(--parchment);
  font-size: 0.98rem;
  line-height: 1.5;
}

.dial-event__details {
  color: var(--ash);
  font-style: italic;
}

.dial-event__cta {
  display: inline-flex;
  flex: 0 0 auto;
  width: 100%;
  align-items: center;
  justify-content: center;
  margin-top: auto;
}

.dial-event.is-theoretical .dial-event__cta {
  border-color: var(--blue);
  color: var(--blue-hot);
}

/* -------------------------------------------------------------- did you know */

.dial-fact {
  position: absolute;
  bottom: clamp(20px, 3.4vh, 40px);
  left: var(--side-x);
  z-index: 6;
  display: flex;
  width: var(--side-w);
  max-height: calc(var(--bottom-band) - 14px);
  flex-direction: column;
  padding: 0.85rem 1.1rem 1rem;
}

.dial-fact__title {
  margin: 0 0 0.4rem;
  color: var(--gold-hot);
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.1em;
}

.dial-fact__body {
  min-height: 0;
  margin: 0 0 0.65rem;
  /* QA fix: the whole card used to scroll (scrollbar hidden), so a long fact on a short window pushed the
     "Another fact" button out of sight. Now only the fact scrolls; the title and the button always stay in view. */
  overflow-y: auto;
  scrollbar-color: var(--gold) transparent;
  scrollbar-width: thin;
  font-size: 0.86rem;
  line-height: 1.45;
}

.dial-fact__refresh {
  flex: 0 0 auto;
  align-self: flex-start;
  min-height: 0;
  padding: 0.35rem 0.85rem;
  font-size: 0.64rem;
}

/* -------------------------------------------------------------- artifacts teaser */

.dial-teaser {
  position: absolute;
  right: var(--side-x);
  bottom: clamp(20px, 3.4vh, 40px);
  z-index: 6;
  width: var(--side-w);
  max-height: calc(var(--bottom-band) - 14px);
  padding: 0.75rem 1rem;
  overflow: hidden;
}

.dial-teaser__link {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.dial-teaser__thumbs {
  display: flex;
  flex: 0 0 auto;
}

.dial-teaser__thumb {
  width: 40px;
  height: 40px;
  margin-left: -10px;
  border: 2px solid var(--void);
  border-radius: 50%;
  object-fit: cover;
  box-shadow: 0 3px 8px rgb(0 0 0 / 55%);
}

.dial-teaser__thumb:first-child {
  margin-left: 0;
}

.dial-teaser__copy {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}

.dial-teaser__title {
  color: var(--gold-hot);
  font-family: var(--font-display);
  font-size: 0.88rem;
  letter-spacing: 0.1em;
}

.dial-teaser__sub {
  color: var(--ash);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

/* -------------------------------------------------------------- scrubber */

.dial-scrubber {
  position: absolute;
  bottom: clamp(10px, 1.6vh, 18px);
  left: 50%;
  z-index: 6;
  display: flex;
  align-items: center;
  gap: clamp(0.8rem, 2vw, 1.6rem);
  padding: 0.5rem clamp(1rem, 2.4vw, 1.8rem);
  /* QA fix: a long era name ("Iron Age & Classical Period (1,200 BCE - 500 CE)") made the scrubber wider than the
     gap between the two bottom panels, so it sat on top of both at 1070px. Fit it between them; the label wraps. */
  max-width: calc(100vw - 2 * (var(--side-w) + var(--side-x) + 12px));
  transform: translateX(-50%);
}

.dial-scrubber__prev,
.dial-scrubber__next {
  display: flex;
  width: 30px;
  height: 30px;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--gold-hot);
  border: 1px solid var(--hairline);
  border-radius: 50%;
  background: rgb(7 6 5 / 60%);
  cursor: pointer;
}

.dial-scrubber__prev svg,
.dial-scrubber__next svg {
  width: 16px;
  height: 16px;
}

.dial-scrubber__prev:hover,
.dial-scrubber__next:hover,
.dial-scrubber__prev:focus-visible,
.dial-scrubber__next:focus-visible {
  box-shadow: var(--gold-glow);
}

.dial-scrubber__label-wrap {
  min-width: min(clamp(220px, 24vw, 340px), calc(100vw - 2 * (var(--side-w) + var(--side-x) + 12px) - 150px));
  text-align: center;
}

.dial-scrubber__hint {
  margin: 0 0 2px;
  color: var(--ash);
  font-family: var(--font-display);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
}

.dial-scrubber__current {
  margin: 0;
  color: var(--gold-hot);
  font-family: var(--font-display);
  font-size: 0.86rem;
  letter-spacing: 0.08em;
}

.dial-scrubber__range {
  color: var(--ash);
  font-size: 0.74rem;
  letter-spacing: 0.02em;
}

/* -------------------------------------------------------------- mobile strip */

.dial-strip {
  position: absolute;
  inset: auto 0 0;
  z-index: 6;
  display: none;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem;
}

.dial-strip__track {
  display: flex;
  flex: 1;
  gap: 0.55rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
}

.dial-strip__track::-webkit-scrollbar {
  display: none;
}

.dial-strip__card {
  position: relative;
  display: flex;
  flex: 0 0 auto;
  flex-direction: column;
  align-items: flex-start;
  width: 108px;
  padding: 0.45rem;
  border: 1px solid var(--hairline-faint);
  background: rgb(7 6 5 / 66%);
  cursor: pointer;
  scroll-snap-align: start;
}

.dial-strip__card.is-current {
  border-color: var(--gold);
  box-shadow: var(--gold-glow);
}

.dial-strip__art {
  width: 100%;
  aspect-ratio: 16 / 10;
  margin-bottom: 0.3rem;
  border-radius: 2px;
}

.dial-strip__name {
  color: var(--gold-hot);
  font-family: var(--font-display);
  font-size: 0.64rem;
  letter-spacing: 0.06em;
}

.dial-strip__range {
  color: var(--ash);
  font-size: 0.6rem;
}

.dial-strip__prev,
.dial-strip__next {
  display: flex;
  width: 26px;
  height: 26px;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--gold-hot);
  border: 1px solid var(--hairline);
  border-radius: 50%;
  background: rgb(7 6 5 / 60%);
}

/* -------------------------------------------------------------- responsive */

@media (max-width: 1180px) {
  .dial-event {
    width: clamp(250px, 26vw, 320px);
  }
}

/* QA fix: on a tall, narrow window the ring sits below the right-hand event panel, but a long event made the panel
   grow down over the ring's top-right bezel (up to 23px at 1070x1741). Stop it at the ring's top edge plus 12% of its diameter
   (the circle curves away under the panel's corner); the panel's own scroll takes the rest. */
@media (min-width: 761px) and (max-width: 1180px) and (max-aspect-ratio: 1/1) {
  .dial-event {
    max-height: calc(53vh - 0.38 * var(--ring-d) - var(--top-band));
  }
}

/* QA fix: on a landscape window narrower than 1180px the ring (58vw wide, dead centre) ran under the right-hand
   event panel, hiding the right-hand medallions (1024x768: five of the eight eras). Fit the ring into the gap between
   the era rail and the event panel instead: centre it there and cap its diameter by that gap, less ~54px each side for
   the medallions that overhang the ring. The panel and rail widths below mirror their own rules. */
@media (min-width: 761px) and (max-width: 1180px) and (min-aspect-ratio: 1/1) {
  .dial-stage {
    --rail-r: calc(clamp(18px, 2.6vw, 44px) + clamp(140px, 12.5vw, 205px));
    --panel-l: calc(100vw - clamp(250px, 26vw, 320px) - clamp(20px, 2.4vw, 46px));
    --ring-d: min(74vh, calc(var(--panel-l) - var(--rail-r) - 108px), calc(94vh - 245px));
  }

  .dial-ring-wrap {
    left: calc((var(--rail-r) + var(--panel-l)) / 2);
  }
}

@media (min-width: 761px) and (max-width: 1000px) and (min-aspect-ratio: 1/1) {
  .dial-stage {
    --rail-r: calc(clamp(18px, 2.6vw, 44px) + 118px);
    --panel-l: calc(100vw - 230px - clamp(20px, 2.4vw, 46px));
  }
}

@media (max-width: 1000px) {
  .dial-stage {
    --side-w: 230px;
  }

  .dial-rail {
    width: 118px;
  }

  .dial-event,
  .dial-fact,
  .dial-teaser {
    width: 230px;
    font-size: 0.92em;
  }
}

@media (max-width: 760px) {
  body.page--dial {
    height: auto;
    overflow-y: auto;
  }

  .dial-stage {
    position: relative;
    display: flex;
    flex-direction: column;
    height: auto;
    min-height: calc(100svh - var(--header-height));
    padding-bottom: 20px;
    cursor: default;
  }

  .dial-sky {
    position: absolute;
    height: min(100vh, 780px);
  }

  .dial-rail,
  .dial-fact,
  .dial-teaser,
  .dial-scrubber {
    display: none;
  }

  .dial-ring-wrap {
    position: relative;
    top: auto;
    left: auto;
    width: min(92vw, 520px);
    margin: 14px auto 8px;
    transform: none;
  }

  .dial-event {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    z-index: 4;
    width: min(92vw, 520px);
    margin: 6px auto 0;
  }

  .dial-event__scroll {
    max-height: none;
    overflow: visible;
  }

  .dial-strip {
    position: relative;
    display: flex;
    width: min(92vw, 520px);
    margin: 14px auto 0;
    padding: 0;
  }
}