/* Exam countdown. Builds on site.css. */
.cd-main { position: relative; padding-top: 24px; padding-bottom: 72px; }
.cd-top { color: var(--text); margin-bottom: 28px; padding-inline: 0; }
.cd-top .back-link { color: var(--text); text-decoration: none; }
.cd-top .back-link:hover { text-decoration: underline; }
#cd-now { color: var(--mint); }
.cd-s1 { position: absolute; right: 9%; top: 90px; width: calc(7px * var(--px) * 1.4); }
.cd-s2 { position: absolute; left: 4%; top: 260px; width: calc(7px * var(--px)); }
.cd-title { margin-bottom: 10px; }
.cd-sub { margin: 0 0 30px; max-width: 60ch; color: var(--muted); }
.cd-sub b { color: var(--text); }

.cd-list { list-style: none; margin: 0 0 40px; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px; }
.cd-card {
  --accent: var(--mint);
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  background: var(--panel);
  color: var(--ink);
  border: 3px solid var(--ink);
  box-shadow: 6px 6px 0 var(--ink);
}
.accent-pink { --accent: var(--pink); }
.accent-yellow { --accent: var(--yellow); }
.accent-lav { --accent: #c4b5f4; }
.cd-card.is-next { box-shadow: 6px 6px 0 var(--ink), 0 0 0 3px var(--yellow); }
.cd-next {
  position: absolute; top: -14px; left: 16px;
  padding: 2px 10px; font-family: var(--pixel); font-size: 11px; letter-spacing: 0.08em;
  color: var(--ink); background: var(--yellow); border: 3px solid var(--ink);
}
.cd-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.cd-name { margin: 0; font-family: var(--pixel); font-size: 22px; line-height: 1.1; }
.cd-when { margin: 4px 0 0; font-size: 14px; color: #4b3a99; }
.cd-tag { flex: none; padding: 2px 8px; font-family: var(--pixel); font-size: 10px; text-transform: uppercase; border: 2px solid var(--ink); background: #efeaff; white-space: nowrap; }
.tag-tentative { background: #c9f7ef; }
.tag-expected { background: #ffe9a8; }
.tag-yours { background: #e5c3f6; }

.cd-clock { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr; gap: 8px; }
.cd-unit { display: flex; flex-direction: column; align-items: center; padding: 10px 4px 8px; background: var(--ink); border: 3px solid var(--ink); }
.unit-d { background: var(--accent); }
.cd-num { font-family: var(--pixel); font-size: clamp(26px, 4vw, 40px); line-height: 1; color: #f4f0ff; font-variant-numeric: tabular-nums; }
.unit-d .cd-num { color: var(--ink); font-size: clamp(32px, 5vw, 52px); }
.cd-lbl { margin-top: 6px; font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: #b9adeb; }
.unit-d .cd-lbl { color: var(--ink); font-weight: 700; }
.cd-extra { margin: 0; font-size: 14px; font-weight: 600; }
.cd-bar { height: 14px; background: #f4f0ff; border: 3px solid var(--ink); }
.cd-bar span { display: block; height: 100%; width: 0; background: repeating-linear-gradient(90deg, var(--ink) 0 8px, #4a24b3 8px 12px); transition: width 0.6s; }
.cd-note-line { margin: -6px 0 0; font-size: 12px; color: #4b3a99; }
.cd-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.btn-small { font-size: 12px; min-height: 38px; padding: 6px 14px; box-shadow: 3px 3px 0 var(--ink); }
.btn-alt { background: #f4f0ff; }
.cd-card.is-done { opacity: 0.75; }

.cd-mine { max-width: 760px; margin-bottom: 26px; }
.cd-form { display: grid; grid-template-columns: 1.4fr 1fr auto; gap: 14px; align-items: end; padding: 18px 18px 6px; }
.cd-form .btn { min-height: 46px; }
.cd-form-status { grid-column: 1 / -1; margin: 0; min-height: 1.2em; font-size: 13px; color: #13715f; font-weight: 600; }
.cd-note { margin: 0; padding: 0 18px 16px; font-size: 12px; color: #4b3a99; }
.cd-disclaimer { max-width: 80ch; color: var(--muted); }
.cd-disclaimer a { color: var(--mint); }
.mini-brand { display: inline-flex; align-items: center; gap: 8px; font-family: var(--pixel); color: var(--text); text-decoration: none; }
.mini-brand img { width: 28px; height: 28px; image-rendering: pixelated; }

@media (max-width: 860px) {
  .cd-list { grid-template-columns: 1fr; }
  .cd-form { grid-template-columns: 1fr; }
}
@media (max-width: 420px) {
  .cd-clock { gap: 5px; }
  .cd-card { padding: 16px 14px; }
}
@media (prefers-reduced-motion: reduce) { .cd-bar span { transition: none; } }

/* Reserve the space of the four exam cards until the script draws them,
   so the page below does not jump (layout shift). */
.cd-list:empty { min-height: 756px; }
@media (max-width: 760px) { .cd-list:empty { min-height: 1440px; } }
@media (max-width: 360px) { .cd-list:empty { min-height: 1720px; } }