/* charity: water palette, from the brand board
   Yellow   #FFC907
   Navy     #003366
   Blue     #77A8BB
   Cream    #FFF7E1
   Ink      #1A1A1A
   Peach    #FED8C1
   Rust     #BF6C46
   Gray     #CBCCD1
*/

:root {
  --yellow: #FFC907;
  --navy: #003366;
  --blue: #77A8BB;
  --cream: #FFF7E1;
  --ink: #1A1A1A;
  --peach: #FED8C1;
  --rust: #BF6C46;
  --rust-deep: #6B3E28;
  --gray: #CBCCD1;
  --white: #FFFFFF;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Outfit", "Avenir Next", "Segoe UI", sans-serif;
  line-height: 1.45;
  color-scheme: light;
  touch-action: manipulation;
  background:
    radial-gradient(circle at 18% 12%, rgba(119, 168, 187, 0.55), transparent 32%),
    radial-gradient(circle at 86% 8%, rgba(255, 201, 7, 0.22), transparent 24%),
    radial-gradient(circle at 50% 110%, rgba(255, 247, 225, 0.28), transparent 42%),
    linear-gradient(180deg, #003366 0%, #0A5278 58%, #77A8BB 100%);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: 32px 16px 48px;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    radial-gradient(circle at 14% 74%, rgba(255, 247, 225, 0.2) 0 8px, transparent 9px),
    radial-gradient(circle at 30% 86%, rgba(255, 247, 225, 0.14) 0 5px, transparent 6px),
    radial-gradient(circle at 72% 80%, rgba(255, 247, 225, 0.18) 0 11px, transparent 12px),
    radial-gradient(circle at 90% 66%, rgba(255, 247, 225, 0.12) 0 6px, transparent 7px);
}

button {
  font: inherit;
}

p, h1, h2, ul {
  margin: 0;
}

.bg-motion {
  position: fixed;
  inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
}

.mote {
  position: absolute;
  bottom: -28px;
  border-radius: 50%;
  background: rgba(255, 247, 225, 0.34);
  animation-name: mote-float;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

.mote-gold {
  background: rgba(255, 201, 7, 0.55);
}

body[data-energy="0"] .mote-gold,
body[data-energy="1"] .mote-gold {
  display: none;
}

body[data-energy="3"] .card {
  animation: card-glow 3.4s ease-in-out infinite;
}

@keyframes mote-float {
  0% { transform: translateY(0) translateX(0); opacity: 0; }
  14% { opacity: 0.9; }
  55% { transform: translateY(-54vh) translateX(14px); }
  100% { transform: translateY(-112vh) translateX(-10px); opacity: 0; }
}

@keyframes card-glow {
  0%, 100% { box-shadow: 0 24px 60px rgba(0, 20, 40, 0.28); }
  50% { box-shadow: 0 24px 60px rgba(0, 20, 40, 0.28), 0 0 0 7px rgba(255, 201, 7, 0.32); }
}

.card {
  position: relative;
  z-index: 1;
  width: min(600px, 100%);
  background: var(--cream);
  border-top: 8px solid var(--yellow);
  border-radius: 28px;
  padding: 22px 22px 26px;
  box-shadow: 0 24px 60px rgba(0, 20, 40, 0.28);
}

.top {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 30px;
  margin-bottom: 18px;
}

.logo-link {
  display: block;
  width: max-content;
  max-width: 100%;
  margin-inline: auto;
  border-radius: 8px;
}

.logo-link:focus-visible {
  outline: 3px solid var(--navy);
  outline-offset: 4px;
}

.logo {
  display: block;
  height: 42px;
  width: auto;
  max-width: min(320px, 100%);
}

.top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 12px 16px;
}

h1 {
  color: var(--navy);
  font-family: "Source Serif 4", Georgia, "Times New Roman", serif;
  font-size: clamp(1.7rem, 3vw, 2.15rem);
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex: none;
}

.score-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 6px 12px 6px 14px;
  border-radius: 999px;
  background: var(--yellow);
  color: var(--navy);
  font-weight: 700;
}

.score-pill strong {
  font-size: 1.25rem;
  font-variant-numeric: tabular-nums;
}

.score-pill.up {
  animation: score-pop 0.35s ease;
}

.score-pill.down {
  animation: score-drop 0.35s ease;
}

@keyframes score-pop {
  50% { transform: scale(1.08); }
}

@keyframes score-drop {
  40% { transform: scale(0.96); background: var(--peach); }
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: 999px;
  border: 2px solid transparent;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}

.btn:focus-visible,
.key:focus-visible {
  outline: 3px solid var(--navy);
  outline-offset: 2px;
}

.btn-yellow {
  background: var(--yellow);
  color: var(--navy);
}

.btn-yellow:hover {
  filter: brightness(0.97);
}

.btn-navy {
  background: var(--navy);
  color: var(--cream);
}

.btn-navy:hover {
  filter: brightness(1.08);
}

.btn-ghost {
  min-height: 42px;
  padding: 0 14px;
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-ghost:hover {
  background: rgba(0, 51, 102, 0.06);
}

.eyebrow {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lede {
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 1.12rem;
  font-weight: 600;
}

#intro p {
  color: var(--navy);
}

.legend {
  list-style: none;
  padding: 0;
  margin: 16px 0;
  display: grid;
  gap: 10px;
}

.legend li {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--navy);
  font-weight: 600;
}

.legend .swatch {
  width: 38px;
  height: 38px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-weight: 700;
  flex: none;
}

.pts {
  margin-left: auto;
  color: var(--navy);
  font-weight: 700;
}

.swatch-correct {
  background: var(--navy);
  color: var(--cream);
}

.swatch-present {
  background: var(--yellow);
  color: var(--navy);
}

.swatch-absent {
  background: var(--gray);
  color: var(--navy);
}

.rules {
  margin: 0 0 18px;
  padding-left: 1.15rem;
  color: var(--navy);
}

.rules li + li {
  margin-top: 4px;
}

#start-btn {
  width: 100%;
  margin-bottom: 14px;
}

.mission,
.credit {
  font-size: 0.92rem;
}

.credit {
  margin-top: 8px;
  color: var(--navy);
}

.hud {
  margin-bottom: 8px;
}

.meter-copy {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 6px;
  color: var(--navy);
  font-size: 0.92rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

#leak-label.is-leaking {
  color: var(--rust-deep);
  animation: leak-pulse 1s ease-in-out infinite;
}

@keyframes leak-pulse {
  50% { opacity: 0.45; }
}

.meter {
  height: 18px;
  border: 2px solid var(--navy);
  border-radius: 999px;
  overflow: hidden;
  background: #E7F0F3;
}

.meter-fill {
  height: 100%;
  width: 100%;
  transform-origin: left center;
  background: var(--blue);
}

.meter.is-low .meter-fill {
  background: var(--yellow);
}

.meter.is-critical .meter-fill {
  background: var(--rust);
}

.mini-legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  padding: 0;
  margin: 10px 0 0;
  color: var(--navy);
  font-size: 0.85rem;
  font-weight: 600;
}

.mini-legend li {
  display: flex;
  align-items: center;
  gap: 6px;
}

.mini-legend .swatch {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  display: inline-block;
}

.score-rules,
.hint,
.message {
  color: var(--navy);
}

.score-rules,
.hint {
  margin-top: 6px;
  font-size: 0.85rem;
  font-weight: 600;
}

.milestones {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 10px 0 0;
  padding: 0;
}

.milestone {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  min-height: 72px;
  padding: 8px;
  border: 2px solid var(--gray);
  border-radius: 12px;
  background: var(--white);
  color: var(--navy);
}

.milestone img {
  width: 26px;
  height: 26px;
  object-fit: contain;
}

.milestone.is-locked {
  color: #5c6b7a;
}

.milestone.is-locked img {
  filter: grayscale(1);
  opacity: 0.72;
}

.milestone.is-reached {
  border-color: var(--yellow);
  background: #fff4c4;
}

.milestone strong {
  font-size: 0.82rem;
  line-height: 1.2;
}

.milestone span {
  font-size: 0.75rem;
  font-weight: 700;
}

.message {
  min-height: 2.7em;
  margin: 8px 0;
  font-weight: 700;
}

.flood-banner {
  margin: 0 0 10px;
  padding: 10px 12px;
  border-radius: 12px;
  background: var(--rust-deep);
  color: var(--cream);
  font-weight: 700;
  text-align: center;
}

.board-shell {
  position: relative;
  width: min(100%, 340px);
  margin: 0 auto 14px;
}

.board {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  perspective: 700px;
}

.tile {
  position: relative;
  z-index: 1;
  aspect-ratio: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--gray);
  border-radius: 8px;
  background: var(--white);
  color: var(--navy);
  font-size: clamp(1.15rem, 4.4vw, 1.55rem);
  font-weight: 700;
  text-transform: uppercase;
  user-select: none;
}

.tile.active {
  border-color: var(--blue);
}

.tile.filled {
  border-color: var(--navy);
}

.tile.correct {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--cream);
}

.tile.present {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--navy);
}

.tile.absent {
  background: var(--gray);
  border-color: var(--gray);
  color: var(--navy);
}

.tile.underwater,
.tile.underwater.correct,
.tile.underwater.present,
.tile.underwater.absent,
.tile.underwater.filled {
  background: var(--rust-deep);
  border-color: var(--rust-deep);
  color: var(--cream);
}

.tile.pop {
  animation: pop 0.12s ease;
}

.tile.flip {
  animation: flip 0.28s ease;
}

.tile.shake {
  animation: shake 0.38s ease;
}

@keyframes pop {
  50% { transform: scale(1.08); }
}

@keyframes flip {
  0% { transform: rotateX(70deg); }
  100% { transform: rotateX(0); }
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(3px); }
}

.flood {
  position: absolute;
  z-index: 2;
  left: -6px;
  right: -6px;
  bottom: -6px;
  height: 0;
  overflow: hidden;
  pointer-events: none;
  border-radius: 12px;
  transition: height 0.18s linear;
}

.flood::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 8px;
  background: rgba(255, 247, 225, 0.8);
  border-radius: 8px;
  z-index: 2;
  animation: ripple 1.8s ease-in-out infinite;
}

.flood::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(to bottom, rgba(191, 108, 70, 0.05), rgba(107, 62, 40, 0.28));
}

@keyframes ripple {
  50% { transform: scaleX(0.96); opacity: 0.55; }
}

.bubble {
  position: absolute;
  bottom: 10px;
  width: 8px;
  height: 8px;
  z-index: 3;
  border-radius: 50%;
  background: rgba(255, 247, 225, 0.7);
  animation: bubble-rise 4s linear infinite;
}

.bubble:nth-child(1) { left: 8%; width: 7px; height: 7px; animation-duration: 3.4s; }
.bubble:nth-child(2) { left: 22%; animation-duration: 4.8s; animation-delay: 0.5s; }
.bubble:nth-child(3) { left: 36%; width: 5px; height: 5px; animation-duration: 3.1s; animation-delay: 1s; }
.bubble:nth-child(4) { left: 50%; animation-duration: 5s; animation-delay: 0.2s; }
.bubble:nth-child(5) { left: 64%; width: 6px; height: 6px; animation-duration: 3.8s; animation-delay: 1.3s; }
.bubble:nth-child(6) { left: 78%; animation-duration: 4.3s; animation-delay: 0.7s; }
.bubble:nth-child(7) { left: 90%; width: 5px; height: 5px; animation-duration: 3.5s; animation-delay: 1.6s; }

@keyframes bubble-rise {
  0% { transform: translateY(0); opacity: 0; }
  15% { opacity: 0.85; }
  100% { transform: translateY(-190px); opacity: 0; }
}

.end {
  margin: 4px 0 14px;
  padding: 16px;
  border-radius: 16px;
  text-align: center;
  background: var(--white);
}

.end.win {
  background: #FFF3C4;
}

.end.lose {
  background: #F8E4D8;
}

.end h2 {
  margin-bottom: 6px;
  color: var(--navy);
  font-family: "Source Serif 4", Georgia, serif;
  font-size: 1.55rem;
  font-weight: 600;
}

.end-can {
  width: 46px;
  height: 46px;
  margin: 0 auto 8px;
  display: block;
}

.end.lose h2 {
  color: var(--rust-deep);
}

.end p {
  color: var(--navy);
  font-weight: 600;
}

#end-milestones {
  margin-top: 8px;
}

.end-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 14px;
}

.keyboard {
  display: grid;
  gap: 6px;
  width: 100%;
  margin-top: 4px;
  user-select: none;
}

.kb-row {
  display: flex;
  gap: 6px;
}

.key {
  flex: 1 1 0;
  min-width: 0;
  height: 52px;
  border: 2px solid var(--gray);
  border-radius: 8px;
  background: var(--white);
  color: var(--navy);
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
}

.key:hover {
  background: #FFF3C4;
}

.key:active {
  transform: translateY(1px);
}

.key.wide {
  flex: 1.45 1 0;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.key.correct {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--cream);
}

.key.present {
  background: var(--yellow);
  border-color: var(--yellow);
  color: var(--navy);
}

.key.absent {
  background: var(--gray);
  border-color: var(--gray);
  color: var(--navy);
}

.clues-hidden .key.correct,
.clues-hidden .key.present,
.clues-hidden .key.absent {
  background: var(--rust-deep);
  border-color: var(--rust-deep);
  color: var(--cream);
}

.hint {
  text-align: center;
}

.confetti {
  position: fixed;
  inset: 0;
  z-index: 5;
  overflow: hidden;
  pointer-events: none;
}

.piece {
  position: absolute;
  top: 0;
  width: 10px;
  height: 14px;
  animation-name: confetti-fall;
  animation-timing-function: ease-in;
  animation-fill-mode: forwards;
}

@keyframes confetti-fall {
  0% { transform: translateY(-12vh) rotate(0deg); }
  100% { transform: translateY(108vh) rotate(320deg); }
}

@media (max-width: 640px) {
  body {
    padding: 12px 10px 24px;
  }

  .card {
    padding: 16px 14px 18px;
    border-radius: 22px;
  }

  .top {
    align-items: stretch;
  }

  .top-row {
    align-items: flex-start;
  }

  .top-actions {
    width: 100%;
    justify-content: space-between;
  }

  .key {
    height: 46px;
  }
}

@media (max-height: 760px) {
  .key {
    height: 42px;
  }

  .card {
    padding-top: 14px;
    padding-bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .tile.pop,
  .tile.flip,
  .tile.shake,
  .score-pill.up,
  .score-pill.down,
  #leak-label.is-leaking,
  .bubble,
  .flood::before,
  .piece,
  .mote,
  body[data-energy="3"] .card {
    animation: none !important;
  }
}