/* Connect the Dots ABC — Mateus */
:root {
  --ctd-bg1: #ffe8a3;
  --ctd-bg2: #bde0fe;
  --ctd-ink: #1d3557;
  --ctd-line: #0077b6;
  --ctd-dot: #2a9d8f;
  --ctd-next: #e76f51;
  --ctd-card: rgba(255, 255, 255, 0.95);
  --ctd-font: "Fredoka", "Nunito", sans-serif;
}

html,
body.ctd-body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  height: 100%;
}

body.ctd-body {
  min-height: 100vh;
  background: linear-gradient(160deg, var(--ctd-bg1) 0%, #fff6da 40%, var(--ctd-bg2) 100%) fixed;
  font-family: var(--ctd-font);
  color: var(--ctd-ink);
  overflow-x: hidden;
}

#ctd-app {
  min-height: 100vh;
  box-sizing: border-box;
  max-width: 980px;
  margin: 0 auto;
  padding: clamp(0.75rem, 2vw, 1.4rem);
}

.ctd-top {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.ctd-brand h1 {
  margin: 0;
  font-size: clamp(1.45rem, 5vw, 2.1rem);
}

.ctd-brand p {
  margin: 0.2rem 0 0;
  font-weight: 700;
  opacity: 0.8;
}

.ctd-controls {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.ctd-back,
.ctd-icon-btn,
.ctd-primary {
  border: 0;
  cursor: pointer;
  font-family: var(--ctd-font);
  font-weight: 700;
}

.ctd-back {
  background: #fff;
  color: var(--ctd-ink);
  border-radius: 999px;
  padding: 0.55rem 1rem;
  text-decoration: none;
  box-shadow: 0 4px 0 rgba(29, 53, 87, 0.12);
}

.ctd-back:hover {
  color: var(--ctd-ink);
  text-decoration: none;
}

.ctd-icon-btn {
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  background: #fff;
  font-size: 1.2rem;
  box-shadow: 0 4px 0 rgba(29, 53, 87, 0.12);
}

.ctd-panel {
  background: var(--ctd-card);
  border-radius: 1.5rem;
  padding: clamp(1rem, 3vw, 1.6rem);
  box-shadow: 0 14px 30px rgba(29, 53, 87, 0.14);
}

.ctd-section-title {
  margin: 0 0 0.35rem;
  text-align: center;
  font-size: clamp(1.3rem, 4vw, 1.8rem);
}

.ctd-section-sub {
  margin: 0 0 1rem;
  text-align: center;
  font-weight: 700;
  opacity: 0.75;
}

.ctd-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.85rem;
}

.ctd-card-btn {
  border: 0;
  border-radius: 1.25rem;
  background: linear-gradient(180deg, #fff, #f3fff8);
  box-shadow: 0 8px 0 rgba(42, 157, 143, 0.2);
  padding: 1.1rem 0.9rem;
  cursor: pointer;
  font-family: var(--ctd-font);
  text-align: center;
}

.ctd-card-btn:hover {
  transform: translateY(-3px);
}

.ctd-card-btn:active {
  transform: translateY(3px);
  box-shadow: 0 4px 0 rgba(42, 157, 143, 0.2);
}

.ctd-card-flag,
.ctd-card-emoji {
  display: block;
  font-size: 2.4rem;
  margin-bottom: 0.3rem;
}

.ctd-card-name {
  display: block;
  font-size: 1.3rem;
  font-weight: 700;
}

.ctd-card-hello {
  display: block;
  margin-top: 0.25rem;
  font-weight: 700;
  opacity: 0.7;
  font-size: 0.95rem;
}

.ctd-game-head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.8rem;
}

.ctd-chip {
  background: #fff3cd;
  border-radius: 999px;
  padding: 0.4rem 0.75rem;
  font-weight: 700;
}

.ctd-prompt {
  text-align: center;
  margin: 0 0 0.75rem;
  font-size: clamp(1.15rem, 3.5vw, 1.5rem);
  font-weight: 700;
}

.ctd-prompt .ctd-next-letter {
  display: inline-block;
  min-width: 2.2rem;
  padding: 0.15rem 0.55rem;
  margin-left: 0.25rem;
  border-radius: 0.6rem;
  background: #ffe0d6;
  color: var(--ctd-next);
}

.ctd-board-wrap {
  position: relative;
  width: 100%;
  max-width: 640px;
  margin: 0 auto 1rem;
  aspect-ratio: 1 / 1;
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.8), transparent 30%),
    linear-gradient(180deg, #eaf6ff, #fff8e7);
  border-radius: 1.35rem;
  border: 3px solid rgba(29, 53, 87, 0.12);
  overflow: hidden;
}

.ctd-board {
  width: 100%;
  height: 100%;
  display: block;
  position: absolute;
  inset: 0;
}

.ctd-line {
  fill: none;
  stroke: var(--ctd-line);
  stroke-width: 2.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.ctd-dots-layer {
  position: absolute;
  inset: 0;
  z-index: 2;
}

.ctd-dot {
  position: absolute;
  width: 2.35rem;
  height: 2.35rem;
  margin-left: -1.175rem;
  margin-top: -1.175rem;
  border: 3px solid var(--ctd-dot);
  border-radius: 50%;
  background: #fff;
  color: var(--ctd-ink);
  font-family: var(--ctd-font);
  font-weight: 700;
  font-size: 1.05rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 3px 0 rgba(29, 53, 87, 0.12);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
  z-index: 2;
}

.ctd-dot.done {
  background: #c8f7d4;
  border-color: var(--ctd-dot);
}

.ctd-dot.current {
  background: #ffe0d6;
  border-color: var(--ctd-next);
  border-width: 4px;
  transform: scale(1.12);
  z-index: 3;
  box-shadow: 0 0 0 4px rgba(231, 111, 81, 0.2);
}

.ctd-dot.hint {
  animation: ctd-pulse 0.9s ease infinite;
}

.ctd-dot.wrong {
  background: #ffd0c6;
  animation: ctd-shake 0.35s ease;
}

@keyframes ctd-pulse {
  0%, 100% { transform: scale(1.12); }
  50% { transform: scale(1.28); }
}

@keyframes ctd-shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-4px); }
  75% { transform: translateX(4px); }
}

.ctd-reveal {
  position: absolute;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.88);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.ctd-reveal.show {
  opacity: 1;
  pointer-events: auto;
}

.ctd-reveal-emoji {
  font-size: clamp(4rem, 18vw, 7rem);
  line-height: 1;
  animation: ctd-pop 0.5s cubic-bezier(0.2, 1.4, 0.4, 1);
}

.ctd-reveal h2 {
  margin: 0.4rem 0 0.2rem;
  font-size: clamp(1.4rem, 4vw, 2rem);
}

.ctd-reveal p {
  margin: 0 0 0.9rem;
  font-weight: 700;
}

@keyframes ctd-pop {
  from { transform: scale(0.5); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

.ctd-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.ctd-primary {
  background: var(--ctd-dot);
  color: #fff;
  border-radius: 999px;
  padding: 0.8rem 1.3rem;
  font-size: 1.05rem;
  box-shadow: 0 6px 0 #1f7a6e;
}

.ctd-primary:active {
  transform: translateY(3px);
  box-shadow: 0 3px 0 #1f7a6e;
}

.ctd-secondary {
  background: #fff;
  color: var(--ctd-ink);
  border-radius: 999px;
  padding: 0.8rem 1.3rem;
  font-size: 1.05rem;
  box-shadow: 0 6px 0 rgba(29, 53, 87, 0.12);
  border: 0;
  cursor: pointer;
  font-family: var(--ctd-font);
  font-weight: 700;
}

.ctd-feedback {
  text-align: center;
  min-height: 1.6rem;
  margin-top: 0.7rem;
  font-weight: 700;
  font-size: 1.15rem;
}

.ctd-feedback.good { color: #1f7a6e; }
.ctd-feedback.bad { color: #c65338; }

.ctd-hear {
  display: block;
  margin: 0 auto 0.8rem;
  border: 0;
  background: #ffd166;
  color: var(--ctd-ink);
  font-family: var(--ctd-font);
  font-weight: 700;
  border-radius: 999px;
  padding: 0.65rem 1.1rem;
  cursor: pointer;
  box-shadow: 0 5px 0 #e0b03f;
}

.ctd-celebration {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 40;
  overflow: hidden;
}

.ctd-confetti {
  position: absolute;
  top: -10px;
  font-size: 1.5rem;
  animation: ctd-fall 1.6s linear forwards;
}

@keyframes ctd-fall {
  to {
    transform: translateY(110vh) rotate(420deg);
    opacity: 0.2;
  }
}