:root {
  --pink-50: #fff1f5;
  --pink-100: #ffe1ea;
  --pink-300: #ffb3ca;
  --pink-500: #ff6f97;
  --pink-600: #ff3d68;
  --rose-700: #d81b53;
  --purple-400: #c9a7e8;
  --cream: #fffaf3;
  --ink: #5a3a44;
  --gold: #caa153;
  --shadow: 0 10px 30px rgba(216, 27, 83, 0.18);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  overflow-x: hidden;
}

body {
  font-family: 'Quicksand', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at 50% 0%, #fff6f8 0%, var(--pink-100) 45%, var(--pink-300) 100%);
  min-height: 100vh;
  min-height: 100dvh;
  position: relative;
  -webkit-user-select: none;
  user-select: none;
  touch-action: manipulation;
}

.script-title {
  font-family: 'Dancing Script', cursive;
  font-size: clamp(2.2rem, 8vw, 3.2rem);
  color: var(--pink-600);
  margin: 0 0 6px;
  text-shadow: 0 2px 0 rgba(255,255,255,0.6);
}

/* Ambient floating hearts */
#ambient-hearts {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.ambient-heart {
  position: absolute;
  bottom: -10vh;
  opacity: 0.55;
  animation-name: float-up;
  animation-timing-function: ease-in;
  animation-iteration-count: infinite;
  will-change: transform, opacity;
}
@keyframes float-up {
  0% { transform: translateY(0) translateX(0) rotate(0deg); opacity: 0; }
  10% { opacity: 0.6; }
  90% { opacity: 0.35; }
  100% { transform: translateY(-115vh) translateX(var(--drift, 20px)) rotate(25deg); opacity: 0; }
}

/* Screens */
.screen {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  min-height: 100dvh;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  padding: env(safe-area-inset-top, 20px) 16px 24px;
}
.screen.active {
  display: flex;
}

/* ---------- GAME SCREEN ---------- */
.game-header {
  text-align: center;
  max-width: 420px;
  margin-top: 10px;
}
.instructions {
  font-size: 0.95rem;
  color: var(--ink);
  opacity: 0.75;
  margin: 0;
  line-height: 1.4;
}

.stage {
  position: relative;
  width: 100%;
  max-width: 420px;
  flex: 1;
  min-height: 46vh;
  margin-top: 8px;
  overflow: hidden;
}

.envelope {
  position: absolute;
  top: 4%;
  left: 50%;
  width: 120px;
  height: 84px;
  transform: translateX(-50%);
  transition: transform 0.15s ease;
}
.envelope-shadow {
  position: absolute;
  bottom: -10px;
  left: 10%;
  width: 80%;
  height: 12px;
  background: rgba(90, 30, 50, 0.18);
  border-radius: 50%;
  filter: blur(3px);
}
.envelope-body {
  position: relative;
  width: 100%;
  height: 100%;
  background: linear-gradient(160deg, #fff, var(--pink-50));
  border: 2px solid var(--pink-500);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.envelope-flap {
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, var(--pink-100), #fff);
  clip-path: polygon(0 0, 50% 55%, 100% 0);
  border-bottom: 2px solid var(--pink-300);
  border-radius: 8px 8px 0 0;
}
.envelope-seal {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 22px;
  filter: drop-shadow(0 2px 2px rgba(0,0,0,0.15));
}
.envelope.hit {
  animation: envelope-pop 0.7s ease forwards;
}
@keyframes envelope-pop {
  0% { transform: translateX(-50%) scale(1) rotate(0deg); }
  30% { transform: translateX(-50%) scale(1.25) rotate(-6deg); }
  55% { transform: translateX(-50%) scale(1.15) rotate(5deg); }
  75% { transform: translateX(-50%) scale(1.3) rotate(0deg); }
  100% { transform: translateX(-50%) scale(0.2); opacity: 0; }
}
.envelope.miss-shake {
  animation: envelope-shake 0.4s ease;
}
@keyframes envelope-shake {
  0%, 100% { transform: translateX(-50%) rotate(0); }
  25% { transform: translateX(-50%) rotate(-4deg); }
  75% { transform: translateX(-50%) rotate(4deg); }
}

.flying-arrow {
  position: absolute;
  top: 0;
  left: 0;
  transform: translate(-1000px, -1000px);
  pointer-events: none;
  z-index: 3;
}

.feedback {
  position: absolute;
  left: 50%;
  bottom: 40%;
  transform: translate(-50%, 0) scale(0.85);
  font-family: 'Dancing Script', cursive;
  font-size: 1.5rem;
  color: var(--rose-700);
  opacity: 0;
  pointer-events: none;
  text-align: center;
  white-space: nowrap;
  transition: opacity 0.25s ease, transform 0.25s ease;
}
.feedback.show {
  opacity: 1;
  transform: translate(-50%, -10px) scale(1);
}

.bow-zone {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  padding: 20px 34px;
  cursor: pointer;
  touch-action: none;
}
.bow-svg {
  display: block;
  filter: drop-shadow(0 4px 6px rgba(150, 90, 30, 0.25));
}
#nocked-arrow {
  transition: none;
}
.bow-zone.charging .bow-svg {
  filter: drop-shadow(0 4px 10px rgba(255, 61, 104, 0.35));
}

/* Power bar */
.power-wrap {
  display: none;
  width: 100%;
  max-width: 340px;
  margin: 6px auto 4px;
  position: relative;
  z-index: 1;
}
.power-bar {
  position: relative;
  height: 18px;
  background: rgba(255,255,255,0.6);
  border: 2px solid var(--pink-300);
  border-radius: 999px;
  overflow: hidden;
}
.sweet-spot {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 55%;
  width: 22%;
  background: rgba(255, 214, 100, 0.55);
  border-left: 2px dashed rgba(200, 130, 20, 0.6);
  border-right: 2px dashed rgba(200, 130, 20, 0.6);
}
.power-fill {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--pink-500), var(--pink-600));
  border-radius: 999px 0 0 999px;
  transition: width 0.03s linear;
}
.power-marker {
  position: absolute;
  top: -3px;
  bottom: -3px;
  width: 3px;
  left: 0%;
  background: var(--rose-700);
  border-radius: 2px;
  opacity: 0;
}
.power-label {
  text-align: center;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.55;
  margin: 6px 0 0;
}

/* ---------- LETTER SCREEN ---------- */
#screen-letter {
  justify-content: center;
}
.letter-card {
  position: relative;
  width: 100%;
  max-width: 420px;
  background: var(--cream);
  border-radius: 16px;
  padding: 28px 24px 26px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(202, 161, 83, 0.35);
  animation: letter-appear 0.5s ease;
}
@keyframes letter-appear {
  from { opacity: 0; transform: translateY(16px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
.letter-ribbon {
  position: absolute;
  top: -20px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  background: var(--cream);
  border-radius: 50%;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow);
}
.letter-greeting {
  font-family: 'Dancing Script', cursive;
  font-size: 1.7rem;
  color: var(--pink-600);
  margin: 14px 0 10px;
}
.letter-body p {
  font-size: 0.95rem;
  line-height: 1.55;
  margin: 0 0 10px;
  color: var(--ink);
}
.letter-question {
  font-family: 'Dancing Script', cursive;
  font-size: 1.6rem;
  color: var(--rose-700);
  text-align: center;
  margin: 18px 0 4px;
}
.dodge-caption {
  text-align: center;
  font-size: 0.85rem;
  min-height: 1.2em;
  color: var(--rose-700);
  opacity: 0.8;
  margin: 0 0 6px;
}

.button-row {
  position: relative;
  display: flex;
  justify-content: center;
  gap: 16px;
  height: 110px;
  align-items: center;
}
.btn {
  font-family: 'Quicksand', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 12px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 14px rgba(216, 27, 83, 0.25);
}
.btn-yes {
  background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
  color: #fff;
  transition: transform 0.15s ease;
}
.btn-yes:active {
  transform: scale(0.94);
}
.btn-no {
  position: absolute;
  background: #fff;
  color: var(--ink);
  border: 2px solid var(--pink-300);
  transition: left 0.18s ease, top 0.18s ease, transform 0.15s ease;
}

/* ---------- FINALE SCREEN ---------- */
#screen-finale {
  justify-content: center;
  overflow: hidden;
}
.heart-burst {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}
.burst-heart {
  position: absolute;
  bottom: -8vh;
  animation-name: burst-float;
  animation-timing-function: ease-out;
  animation-fill-mode: forwards;
  will-change: transform, opacity;
}
@keyframes burst-float {
  0% { transform: translateY(0) translateX(0) rotate(0deg) scale(0.4); opacity: 0; }
  12% { opacity: 1; }
  100% { transform: translateY(-120vh) translateX(var(--drift, 0px)) rotate(var(--spin, 180deg)) scale(1); opacity: 0; }
}

.finale-card {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  background: var(--cream);
  border-radius: 16px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  animation: letter-appear 0.6s ease;
}
.finale-heart {
  font-size: 2.4rem;
  margin: 0 0 8px;
}
.finale-lead {
  font-family: 'Dancing Script', cursive;
  font-size: 1.8rem;
  color: var(--pink-600);
  margin: 0 0 14px;
}
.finale-body p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 10px;
}
.finale-signature {
  font-family: 'Dancing Script', cursive;
  font-size: 1.5rem;
  color: var(--rose-700);
  margin: 10px 0 22px;
}
.btn-replay {
  background: #fff;
  color: var(--pink-600);
  border: 2px solid var(--pink-300);
}

@media (max-height: 680px) {
  .stage { min-height: 40vh; }
}