/* BoboEdu: home-page.css
   The home screen: greeting, streak, subject cards, leaderboard and revision facts. */

.home {
  display: grid;
  gap: 28px;
  padding-top: 6px;
}
.home h2 {
  margin: 0;
  font-size: 24px;
  font-weight: 750;
  letter-spacing: -0.01em;
  line-height: 1.15;
}

/* ---------- Greeting panel ---------- */
.hero {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) clamp(118px, 21vw, 200px);
  gap: 8px 24px;
  align-items: end;
  padding: clamp(24px, 4.5vw, 46px) clamp(20px, 4.5vw, 46px) 0;
  background: var(--hl);
  color: var(--on-hl);
  border-radius: 28px;
  overflow: hidden;
}
.herocopy {
  display: grid;
  gap: 14px;
  align-content: start;
  padding-bottom: clamp(24px, 4.5vw, 44px);
  min-width: 0;
}
.hero h1 {
  margin: 0;
  color: var(--on-hl);
  overflow-wrap: anywhere;
  font-size: clamp(42px, 7.4vw, 76px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.04em;
}
.herostreak {
  display: grid;
  gap: 10px;
}
.herostreak p {
  margin: 0;
  max-width: 52ch;
}
.streakbig {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 2.8vw, 28px);
  line-height: 1.1;
}
.streakbig svg {
  width: 1.25em;
  height: 1.25em;
  flex: none;
  color: rgba(29, 32, 66, 0.3);
}
.streakbig.lit svg {
  color: #e6461b;
}
.streakbig .n {
  font-variant-numeric: tabular-nums;
}
.streakbig .unit {
  font-weight: 700;
}
.streakline {
  font-size: 17px;
}
.pointsline {
  font-size: 15px;
  color: rgba(29, 32, 66, 0.78);
}
.pointsline strong {
  color: var(--on-hl);
}

/* The last seven days. Filled circles are days that count towards the streak; today is the
   dashed one until you play. */
.week {
  --d: clamp(30px, 4.2vw, 38px);
  display: flex;
  gap: clamp(6px, 1.3vw, 10px);
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
}
.week .day {
  display: grid;
  grid-template-rows: var(--d) auto;
  justify-items: center;
  gap: 3px;
  width: var(--d);
  font-size: 13px;
  font-weight: 700;
  color: rgba(29, 32, 66, 0.62);
}
.week .day::before {
  content: '';
  grid-area: 1 / 1;
  width: var(--d);
  height: var(--d);
  border-radius: 50%;
  border: 2px solid rgba(29, 32, 66, 0.22);
  background: rgba(255, 255, 255, 0.35);
}
.week .day svg {
  grid-area: 1 / 1;
  place-self: center;
  width: calc(var(--d) * 0.58);
  height: calc(var(--d) * 0.58);
  color: #ffb547;
  position: relative;
}
.week .day span {
  grid-row: 2;
}
.week .day.on::before {
  background: var(--on-hl);
  border-color: var(--on-hl);
}
.week .day.today {
  color: var(--on-hl);
}
.week .day.today:not(.on)::before {
  border-style: dashed;
  border-color: var(--on-hl);
  background: transparent;
}

.herogo {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 4px;
}
.hero .btn.primary {
  background: var(--tint);
  color: var(--on-hl);
  border: 2px solid var(--on-hl);
  box-shadow: 0 4px 0 var(--on-hl);
}
.hero .btn.primary:active {
  box-shadow: 0 0 0 var(--on-hl);
  transform: translateY(4px);
}
@media (hover: hover) {
  .hero .btn.primary:hover {
    background: color-mix(in srgb, var(--tint) 82%, #fff);
  }
}
.hero .btn:not(.primary) {
  background: rgba(255, 255, 255, 0.55);
  border-color: rgba(29, 32, 66, 0.35);
  color: var(--on-hl);
  box-shadow: 0 2px 0 rgba(29, 32, 66, 0.35);
}

.heroart {
  align-self: end;
  color: var(--on-hl);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.heroart svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}
.heroart .bobo {
  transform-box: fill-box;
  transform-origin: 50% 100%;
}
.heroart .bobo.hello {
  animation: wobble 1.6s ease-in-out 0.35s 1;
}
.heroart .bobo.punch {
  animation: wobble 1.3s ease-in-out;
}

/* ---------- Below the greeting ---------- */
.homegrid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(290px, 1fr);
  gap: 28px;
  align-items: start;
}
.homecol {
  display: grid;
  gap: 28px;
  min-width: 0;
}

/* Subjects look like binder dividers: a coloured tab and a matching top edge. */
.subjects {
  display: grid;
  gap: 4px;
}
.subjlist {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
  padding-top: 36px;
}
.subjcard {
  position: relative;
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 24px 20px 20px;
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-top: 0;
  border-radius: 0 18px 18px 18px;
  box-shadow: inset 0 7px 0 var(--tint);
}
.subjcard .tab {
  position: absolute;
  left: 0;
  bottom: 100%;
  margin: 0;
  padding: 7px 18px 3px;
  background: var(--tint);
  color: var(--on-hl);
  border-radius: 14px 14px 0 0;
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.subjcard p {
  margin: 0;
}
.subjcard .counts {
  font-size: 15px;
  color: var(--muted);
}
.subjcard .mine {
  font-size: 16px;
  font-weight: 700;
}
.subjcard .group {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 8px;
  gap: 8px;
}
.subjcard .group .btn {
  padding-inline: 6px;
}

/* ---------- Leaderboard ---------- */
.board {
  display: grid;
  gap: 14px;
  padding: 22px 20px 20px;
  min-width: 0;
  background: var(--surface);
  border: 1.5px solid var(--line);
  border-radius: 22px;
}
.boardhead {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.ranks {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}
.rank {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 10px;
  min-height: 48px;
  padding: 6px 10px 6px 6px;
  border-radius: 12px;
}
.rank + .rank {
  box-shadow: 0 -1px 0 var(--line);
}
.rank .pos {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 15px;
  font-variant-numeric: tabular-nums;
  color: var(--muted);
}
.rank.top1 .pos {
  background: #ffd84a;
  color: #1d2042;
}
.rank.top2 .pos {
  background: #dfe3ee;
  color: #1d2042;
}
.rank.top3 .pos {
  background: #f6c9a4;
  color: #1d2042;
}
.rank .who {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.rank .youtag {
  flex: none;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--surface);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.5;
}
.mini-streak {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  font-size: 14px;
  font-weight: 700;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.mini-streak svg {
  width: 16px;
  height: 16px;
  color: var(--flame);
}
.rank .pts {
  grid-column: 4;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  font-variant-numeric: tabular-nums;
  text-align: right;
  min-width: 4ch;
}
.rank.you {
  background: var(--hl-soft);
  box-shadow: none;
}
.rank.you + .rank {
  box-shadow: none;
}
.rank.you .pos:not([class*='top']) {
  color: var(--on-hl);
}
.rank.you,
.rank.you .pts,
.rank.you .who,
.rank.you .mini-streak {
  color: var(--on-hl);
}
.ranks.mine {
  padding-top: 8px;
  border-top: 2px dashed var(--line-strong);
}
.boardempty {
  margin: 0;
  padding: 8px 2px;
  color: var(--muted);
}
.boardnote {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

/* ---------- Did you know? ---------- */
/* An index card on top of a little pile of them: a red line under the heading and pale blue
   lines for the writing. */
.factcard {
  position: relative;
  display: grid;
  gap: 0;
  padding: 18px 22px 16px;
  margin-bottom: 6px;
  background: var(--surface);
  border-radius: 6px;
  box-shadow:
    0 1px 0 rgba(29, 32, 66, 0.08),
    0 10px 26px -14px rgba(29, 32, 66, 0.35),
    0 0 0 1px var(--line);
}
.factcard::before,
.factcard::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  border-radius: 6px;
  background: var(--surface);
  box-shadow:
    0 0 0 1px var(--line),
    0 6px 16px -10px rgba(29, 32, 66, 0.4);
}
.factcard::before {
  transform: rotate(1.6deg) translate(4px, 5px);
}
.factcard::after {
  transform: rotate(-1.1deg) translate(-3px, 7px);
}
.homecol {
  isolation: isolate;
}
.factnav .iconbtn svg {
  width: 18px;
  height: 18px;
}
.facthead {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--margin-line);
}
.facttag {
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--tint);
  color: var(--on-hl);
  font-size: 14px;
  font-weight: 700;
}
.facttag:empty {
  display: none;
}
.facttext {
  margin: 0;
  padding-top: 8px;
  min-height: calc(4 * 34px + 8px);
  font-size: 20px;
  line-height: 34px;
  max-width: 62ch;
  text-wrap: pretty;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent 0 28px,
    var(--rule) 28px 30px,
    transparent 30px 34px
  );
  background-origin: content-box;
  background-clip: content-box;
}
.factnav {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 12px;
}
.factcount {
  margin-left: auto;
  font-size: 14px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.factcard.turn .facttext {
  animation: factIn 0.4s ease-out;
}
@keyframes factIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
}