/* =============================================
   KAWAII TAP-A-CARD — STYLE.CSS
   ============================================= */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --cream:       #FFF8F0;
  --soft-pink:   #FFCDD8;
  --blush:       #FFB3C1;
  --rose:        #FF85A1;
  --golden:      #F5A623;
  --golden-dark: #E08C0D;
  --card-bg:     #FFF5E4;
  --card-border: #F2C7A0;
  --text-dark:   #5A3D2B;
  --text-mid:    #8B5E52;
  --shadow:      rgba(255, 150, 130, 0.25);
  --font-body:   'Nunito', sans-serif;
  --font-title:  'Baloo 2', cursive;
}

html, body {
  height: 100%;
  width: 100%;
  overflow: hidden;
}

body {
  font-family: var(--font-body);
  background-color: var(--cream);
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,180,200,0.18) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(255,200,140,0.12) 0%, transparent 50%),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Ccircle cx='10' cy='10' r='2' fill='%23FFB3C1' opacity='0.35'/%3E%3Ccircle cx='60' cy='25' r='1.5' fill='%23FFCDD8' opacity='0.4'/%3E%3Ccircle cx='35' cy='60' r='1.8' fill='%23FFB3C1' opacity='0.3'/%3E%3Ccircle cx='70' cy='70' r='1.2' fill='%23F5A623' opacity='0.2'/%3E%3C/svg%3E");
  color: var(--text-dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
}

/* =============================================
   FLOATING PARTICLES
   ============================================= */
.particles {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  overflow: hidden;
}

.particle {
  position: absolute;
  font-size: 1rem;
  animation: floatUp var(--dur, 8s) linear var(--delay, 0s) infinite;
  opacity: 0;
  bottom: -10%;
}

@keyframes floatUp {
  0%   { transform: translateY(0) rotate(0deg) scale(0.8);  opacity: 0; }
  10%  { opacity: 0.7; }
  90%  { opacity: 0.4; }
  100% { transform: translateY(-110vh) rotate(360deg) scale(1.2); opacity: 0; }
}

/* =============================================
   PAGE DOTS
   ============================================= */
.page-dots {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 8px;
  z-index: 100;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--blush);
  transition: all 0.3s ease;
  cursor: pointer;
}

.dot.active {
  background: var(--rose);
  transform: scale(1.4);
  box-shadow: 0 0 8px var(--rose);
}

/* =============================================
   DECORATIVE STICKERS
   ============================================= */
.sticker {
  position: fixed;
  font-size: 2.4rem;
  z-index: 5;
  pointer-events: none;
  animation: stickerBob 3s ease-in-out infinite;
  filter: drop-shadow(2px 4px 6px rgba(0,0,0,0.08));
}

.sticker-bear       { top: 40px;  right: 20px; animation-delay: 0s;    font-size: 2.8rem; }
.sticker-heart-top  { top: 55px;  left:  22px; animation-delay: 0.5s; font-size: 2rem; }
.sticker-flower-tl  { top: 130px; left:  10px; animation-delay: 1s;   font-size: 1.6rem; }
.sticker-cat        { bottom: 80px; left: 14px; animation-delay: 0.8s; font-size: 2.4rem; }
.sticker-bee        { bottom: 100px; right: 12px; animation-delay: 1.4s; font-size: 1.8rem; }
.sticker-tulip      { top: 200px; right: 14px; animation-delay: 0.3s; font-size: 1.6rem; }

@keyframes stickerBob {
  0%, 100% { transform: translateY(0) rotate(-3deg); }
  50%       { transform: translateY(-8px) rotate(3deg); }
}

/* =============================================
   SLIDES WRAPPER
   ============================================= */
.slides-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

.slide {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: translateX(60px) scale(0.95);
  pointer-events: none;
  transition: opacity 0.5s cubic-bezier(0.34,1.56,0.64,1),
              transform 0.5s cubic-bezier(0.34,1.56,0.64,1);
}

.slide.active {
  opacity: 1;
  transform: translateX(0) scale(1);
  pointer-events: all;
}

.slide.exit {
  opacity: 0;
  transform: translateX(-60px) scale(0.95);
}

.slide-inner {
  width: min(380px, calc(100vw - 40px));
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px 4px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  scrollbar-width: none;
}
.slide-inner::-webkit-scrollbar { display: none; }

/* =============================================
   TYPOGRAPHY
   ============================================= */
.page-title {
  font-family: var(--font-title);
  font-size: clamp(1.5rem, 5vw, 2rem);
  font-weight: 700;
  color: var(--text-dark);
  text-align: center;
  letter-spacing: -0.3px;
  animation: fadeDown 0.6s ease both;
}

.page-title.small { font-size: clamp(1.2rem, 4vw, 1.6rem); }

.page-title span {
  display: inline-block;
  animation: spinPop 0.8s cubic-bezier(0.34,1.56,0.64,1) both;
}

@keyframes fadeDown {
  from { opacity: 0; transform: translateY(-16px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes spinPop {
  from { opacity: 0; transform: scale(0) rotate(-180deg); }
  to   { opacity: 1; transform: scale(1) rotate(0deg); }
}

.subtitle {
  font-size: 0.82rem;
  color: var(--text-mid);
  font-style: italic;
  letter-spacing: 0.3px;
  animation: fadeDown 0.7s ease 0.3s both;
}

/* =============================================
   CARDS GRID
   ============================================= */
.cards-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  width: 100%;
  animation: fadeUp 0.6s ease 0.15s both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Card */
.card {
  perspective: 800px;
  cursor: pointer;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  animation: cardPop 0.5s cubic-bezier(0.34,1.56,0.64,1) both;
}

.card:nth-child(1) { animation-delay: 0.1s; }
.card:nth-child(2) { animation-delay: 0.2s; }
.card:nth-child(3) { animation-delay: 0.3s; }
.card:nth-child(4) { animation-delay: 0.4s; }
.card:nth-child(5) { animation-delay: 0.5s; }

@keyframes cardPop {
  from { opacity: 0; transform: scale(0.7); }
  to   { opacity: 1; transform: scale(1); }
}


.card-center {
  grid-column: 1 / -1;
  width: 55%;
  margin: 0 auto;
  aspect-ratio: auto;
  height: 100px;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  transition: transform 0.65s cubic-bezier(0.34,1.56,0.64,1);
  border-radius: 18px;
}

.card.flipped .card-inner {
  transform: rotateY(180deg);
}

.card-front,
.card-back {
  position: absolute;
  inset: 0;
  border-radius: 18px;
  backface-visibility: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 12px;
  border: 2px solid var(--card-border);
  box-shadow: 0 6px 20px var(--shadow), 0 2px 6px rgba(0,0,0,0.05);
  transition: box-shadow 0.2s;
}

.card-front {
  background: var(--card-bg);
  font-size: 2.4rem;
}

.card-front span {
  display: inline-block;
  animation: floatEmoji 2.5s ease-in-out infinite;
  filter: drop-shadow(0 4px 8px rgba(0,0,0,0.1));
}

@keyframes floatEmoji {
  0%, 100% { transform: translateY(0) scale(1); }
  50%       { transform: translateY(-6px) scale(1.05); }
}

.card-back {
  background: linear-gradient(145deg, #fff0f5, #fff8f0);
  transform: rotateY(180deg);
  text-align: center;
}

.card-back p {
  font-size: clamp(0.68rem, 2.2vw, 0.8rem);
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.5;
  font-style: italic;
}

.card:hover:not(.flipped) .card-front {
  box-shadow: 0 10px 30px var(--shadow), 0 4px 12px rgba(255,100,130,0.2);
  transform: scale(1.02);
}
.card:hover:not(.flipped) .card-inner { border-radius: 18px; }

/* ── Locked card state ── */
.card-locked {
  cursor: not-allowed;
  opacity: 0.55;
  filter: grayscale(0.4);
}

.card-locked .card-front::after {
  content: '🔒';
  position: absolute;
  bottom: 6px;
  right: 8px;
  font-size: 0.85rem;
  line-height: 1;
  pointer-events: none;
}

.card-locked:hover .card-inner {
  transform: none !important;
  box-shadow: none !important;
}

/* ── Shake animation for locked tap ── */
@keyframes cardShake {
  0%, 100% { transform: translateX(0) rotate(0deg); }
  20%       { transform: translateX(-5px) rotate(-2deg); }
  40%       { transform: translateX(5px) rotate(2deg); }
  60%       { transform: translateX(-4px) rotate(-1deg); }
  80%       { transform: translateX(4px) rotate(1deg); }
}
.card-shake .card-inner {
  animation: cardShake 0.45s ease !important;
}


/* =============================================
   CONTINUE BUTTON
   ============================================= */
.continue-btn {
  background: linear-gradient(135deg, var(--golden), var(--golden-dark));
  color: #fff;
  border: none;
  border-radius: 50px;
  padding: 14px 42px;
  font-family: var(--font-title);
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(245,166,35,0.4), 0 2px 8px rgba(0,0,0,0.1);
  transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1),
              box-shadow 0.2s;
  animation: fadeUp 0.5s ease 0.4s both;
  position: relative;
  overflow: hidden;
}

.continue-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.2), transparent);
  border-radius: inherit;
}

.continue-btn:hover {
  transform: scale(1.06) translateY(-2px);
  box-shadow: 0 10px 30px rgba(245,166,35,0.5), 0 4px 12px rgba(0,0,0,0.15);
}

.continue-btn:active {
  transform: scale(0.96);
}

/* disabled until all cards are flipped */
.continue-btn.locked {
  background: linear-gradient(135deg, #d0b894, #b09070);
  cursor: not-allowed;
  opacity: 0.7;
}

.continue-btn.locked:hover { transform: none; box-shadow: 0 6px 20px rgba(200,160,100,0.3); }

/* =============================================
   SLIDE 2 — NOTE
   ============================================= */
.slide-note {
  gap: 18px;
}

.note-emoji {
  font-size: 3.5rem;
  animation: stickerBob 2s ease-in-out infinite;
  filter: drop-shadow(0 4px 12px rgba(255,100,130,0.3));
}

.note-title {
  font-family: var(--font-title);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-dark);
  text-align: center;
}

.note-card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 20px;
  padding: 24px 22px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  box-shadow: 0 8px 24px var(--shadow);
}

.note-card p {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--text-mid);
  font-weight: 500;
}

.note-card em {
  color: var(--rose);
  font-style: italic;
  font-weight: 700;
}

/* =============================================
   SLIDE 3 — REASONS
   ============================================= */
.reasons-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 10px;
  animation: fadeUp 0.5s ease 0.2s both;
}

.reason-item {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 16px;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: 0 4px 14px var(--shadow);
  animation: slideInRight 0.5s cubic-bezier(0.34,1.56,0.64,1) var(--delay) both;
  transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1);
}

.reason-item:hover {
  transform: scale(1.02) translateX(4px);
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to   { opacity: 1; transform: translateX(0); }
}

.reason-emoji {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.reason-item p {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-dark);
  line-height: 1.4;
  font-style: italic;
}

/* =============================================
   SLIDE 4 — FINAL
   ============================================= */
.slide-final {
  gap: 20px;
  text-align: center;
}

.confetti-emojis {
  font-size: 1.6rem;
  letter-spacing: 6px;
  animation: confettiPulse 1.5s ease-in-out infinite;
}

@keyframes confettiPulse {
  0%, 100% { transform: scale(1); }
  50%       { transform: scale(1.08); }
}

.final-title {
  font-family: var(--font-title);
  font-size: clamp(2rem, 8vw, 3rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--rose), var(--golden));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeDown 0.6s ease both;
}

.final-hearts {
  display: flex;
  gap: 10px;
  font-size: 1.8rem;
}

.final-hearts span {
  display: inline-block;
  animation: heartBeat 1.2s ease-in-out infinite;
}
.final-hearts span:nth-child(1) { animation-delay: 0s; }
.final-hearts span:nth-child(2) { animation-delay: 0.15s; }
.final-hearts span:nth-child(3) { animation-delay: 0.3s; }
.final-hearts span:nth-child(4) { animation-delay: 0.45s; }
.final-hearts span:nth-child(5) { animation-delay: 0.6s; }

@keyframes heartBeat {
  0%, 100% { transform: scale(1); }
  14%       { transform: scale(1.3); }
  28%       { transform: scale(1); }
  42%       { transform: scale(1.2); }
  70%       { transform: scale(1); }
}

.final-msg {
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--text-mid);
  font-weight: 500;
  max-width: 320px;
}

.final-msg strong {
  color: var(--rose);
  font-weight: 800;
}

.restart-btn {
  background: linear-gradient(135deg, var(--rose), #ff5580);
  box-shadow: 0 6px 20px rgba(255,133,161,0.5);
}

.restart-btn:hover {
  box-shadow: 0 10px 30px rgba(255,133,161,0.6);
}

/* =============================================
   TOAST NOTIFICATION
   ============================================= */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  background: linear-gradient(135deg, var(--rose), var(--golden-dark));
  color: #fff;
  padding: 12px 28px;
  border-radius: 50px;
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  box-shadow: 0 8px 24px rgba(255,100,130,0.4);
  z-index: 999;
  transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), opacity 0.3s;
  opacity: 0;
  pointer-events: none;
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-height: 650px) {
  .sticker { display: none; }
  .slide-inner { gap: 10px; }
  .cards-grid  { gap: 8px; }
}

@media (min-width: 500px) {
  .slide-inner { width: 420px; }
  .card-back p { font-size: 0.85rem; }
}

/* Scrollbar hide for Firefox */
.slide-inner { scrollbar-width: none; }