/* The year strip.
 *
 * The strip is a canvas, so almost nothing here paints the data — year.js does
 * that. What is here is the frame around it: the aggregate buttons, the month
 * ruler, the hover readout, and the state the interface enters when an annual
 * layer is showing and the clock stops meaning anything.
 */

#time .yearrow #year-host { align-self: stretch; }

#year-host { flex: 1; min-width: 0; }

.yearstrip { display: flex; flex-direction: column; gap: 2px; }

/* ---- the aggregate switch, plus what is currently on screen */

.ymodes {
  display: flex; align-items: center; gap: var(--s1);
  font-family: var(--mono); font-size: 10px;
}
.ymodes button {
  all: unset; cursor: pointer; padding: 2px 8px; border-radius: var(--r1);
  color: var(--text-3); border: 1px solid transparent; transition: all .15s;
  letter-spacing: .02em;
}
.ymodes button:hover { color: var(--text-2); border-color: var(--line); }
.ymodes button[aria-pressed="true"] {
  background: var(--accent-dim); color: var(--text);
  border-color: rgba(78, 168, 222, .4);
}
.ynow {
  margin-left: auto; font-family: var(--mono); font-size: 10px;
  color: var(--text-2); white-space: nowrap; overflow: hidden;
  text-overflow: ellipsis; max-width: 46%;
}
.ynow b { color: var(--text); font-weight: 500; }
.ynow .dim { color: var(--text-3); }

/* ---- the strip itself */

canvas.ystrip {
  display: block; width: 100%; height: 48px; cursor: crosshair;
  border-radius: var(--r1);
  background:
    linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,0));
  touch-action: none;         /* the pointer drag is the control */
}

.yruler {
  position: relative; height: 11px;
  font-family: var(--mono); font-size: 9px; color: var(--text-3);
}
.yruler i {
  position: absolute; top: 0; transform: translateX(-50%);
  font-style: normal; opacity: .8;
}

/* ---- hover readout. Positioned by year.js, which clamps it inside the strip. */

.ytip {
  position: absolute; bottom: 100%; transform: translateX(-50%);
  margin-bottom: 6px; padding: 5px 9px; white-space: nowrap;
  background: var(--panel-hi); border: 1px solid var(--line-strong);
  border-radius: var(--r1); box-shadow: var(--shadow);
  font-family: var(--mono); font-size: 10px; color: var(--text-2);
  pointer-events: none; z-index: 30;
}
.ytip b { color: var(--text); font-weight: 500; }
.ytip .trop { color: var(--warn); }
.ytip .ep { color: var(--modelled); }
.ytip .solved { color: var(--measured); }
.ytip .recon { color: var(--text-3); }
#year-host { position: relative; }

/* ---- the provenance mark in the time readout */

#time .sunline .prov {
  display: inline-block; margin-left: 10px; padding: 2px 9px;
  border: 1px solid var(--line-ctl); border-radius: 999px;
  font-size: 9px; letter-spacing: .16em; color: var(--t7);
}
#time .sunline .tropmark { color: var(--accent); }

/* ---- an annual layer is showing: the clock has stopped meaning anything.
   Greying rather than hiding, because the controls have to stay where they were
   or the layout jumps every time somebody picks a layer. */

#time.frozen #play { opacity: .38; pointer-events: none; }
#time.frozen .ymodes button { opacity: .5; }
#time .frozen-note {
  margin: 0; font-family: var(--mono); font-size: 10px;
  color: var(--modelled); border-top: 1px solid var(--line);
  padding-top: var(--s2);
}

/* ---- a month's binaries are in flight. About 5 MB, once per month. */

#time.loading canvas.ystrip { opacity: .55; }
#time.loading .ynow::after {
  content: ' · loading'; color: var(--accent);
}

/* ---- the analyst's transient caption over the map */

#agent-note {
  position: absolute; left: 50%; bottom: 168px; transform: translate(-50%, 8px);
  max-width: 46ch; padding: 7px 13px; z-index: 40;
  background: var(--panel-hi); border: 1px solid rgba(78, 168, 222, .38);
  border-radius: 999px; box-shadow: var(--shadow);
  font-size: 11.5px; color: var(--text-2); text-align: center;
  opacity: 0; pointer-events: none; transition: opacity .25s, transform .25s;
}
#agent-note.show { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1240px) {
  canvas.ystrip { height: 40px; }
}