/* ============================================
   RESET & BASE
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg-dark: #1a1118;
  --bg-warm: #2a1f25;
  --cream: #fdf6ec;
  --gold: #d4a056;
  --gold-light: #e8c88a;
  --rose: #c94c6d;
  --rose-light: #e87e99;
  --rose-deep: #8b2e4a;
  --blush: #f5d5d5;
  --sage: #a8c5a0;
  --lavender: #c4b1d4;
  --peach: #f5c4a1;
  --sky: #a1c6d4;
  --mint: #a1d4c6;
  --pink-soft: #f0c4d4;
  --coral: #e8907a;
}

html, body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  font-family: 'Poppins', sans-serif;
  background: var(--bg-dark);
  color: var(--cream);
}

/* ============================================
   SCREENS
   ============================================ */
.screen {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 1s ease;
  z-index: 1;
}

.screen.active {
  opacity: 1;
  pointer-events: all;
  z-index: 10;
}

/* ============================================
   PARTICLES
   ============================================ */
.particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
}

.particle {
  position: absolute;
  border-radius: 50%;
  opacity: 0;
  animation: floatUp linear infinite;
}

@keyframes floatUp {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }
  10% {
    opacity: 1;
  }
  90% {
    opacity: 1;
  }
  100% {
    opacity: 0;
    transform: translateY(-10vh) scale(1);
  }
}

/* ============================================
   LANDING SCREEN
   ============================================ */
#landing {
  background: radial-gradient(ellipse at 50% 80%, #2a0a12 0%, #000000 70%);
}

.landing-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.landing-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 5vw, 3.2rem);
  font-weight: 400;
  font-style: italic;
  color: var(--cream);
  margin-bottom: 0.3rem;
  opacity: 0;
  animation: fadeInUp 1s ease 0.3s forwards;
}

.landing-subtitle {
  font-size: clamp(0.85rem, 2.5vw, 1.1rem);
  color: var(--gold-light);
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 3rem;
  opacity: 0;
  animation: fadeInUp 1s ease 0.6s forwards;
}

/* Hide old landing text since cake SVG has its own */

@-webkit-keyframes fadeInDown {
  0% { opacity: 0; -webkit-transform: translateY(-20px); transform: translateY(-20px); }
  100% { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}
@keyframes fadeInDown {
  0% { opacity: 0; -webkit-transform: translateY(-20px); transform: translateY(-20px); }
  100% { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}

/* ============================================
   CAKE
   ============================================ */
.cake-wrapper {
  cursor: pointer;
  opacity: 0;
  animation: fadeInUp 1s ease 0.5s forwards;
  display: flex;
  flex-direction: column;
  align-items: center;
  -webkit-tap-highlight-color: transparent;
}

.cake-svg {
  width: 420px;
  width: clamp(300px, 75vw, 520px);
  max-width: 90vw;
  height: auto;
  min-height: 200px;
  display: block;
  -webkit-transition: -webkit-transform 0.3s ease;
  transition: transform 0.3s ease;
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
  aspect-ratio: 680 / 720;
}

.cake-wrapper:hover .cake-svg {
  -webkit-transform: scale(1.03);
  transform: scale(1.03);
}

/* ============================================
   GIFT BOX
   ============================================ */
.gift-box-wrapper {
  cursor: pointer;
  position: relative;
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gift-box-wrapper:not(.opening) .gift-box {
  animation: gentleFloat 3s ease-in-out infinite;
}

@-webkit-keyframes gentleFloat {
  0%, 100% { -webkit-transform: translateY(0); transform: translateY(0); }
  50% { -webkit-transform: translateY(-12px); transform: translateY(-12px); }
}
@keyframes gentleFloat {
  0%, 100% { -webkit-transform: translateY(0); transform: translateY(0); }
  50% { -webkit-transform: translateY(-12px); transform: translateY(-12px); }
}

@-webkit-keyframes fadeInUp {
  0% { opacity: 0; -webkit-transform: translateY(30px); transform: translateY(30px); }
  100% { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}
@keyframes fadeInUp {
  0% { opacity: 0; -webkit-transform: translateY(30px); transform: translateY(30px); }
  100% { opacity: 1; -webkit-transform: translateY(0); transform: translateY(0); }
}

.gift-box {
  position: relative;
  width: clamp(120px, 30vw, 160px);
  height: clamp(120px, 30vw, 160px);
  -webkit-transition: -webkit-transform 0.3s ease;
  transition: transform 0.3s ease;
}

.gift-box-wrapper:hover .gift-box {
  transform: scale(1.05);
}

.gift-box-wrapper:hover .gift-lid {
  transform: translateY(-8px);
}

/* Gift base */
.gift-base {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  height: 70%;
  background: linear-gradient(135deg, var(--rose) 0%, var(--rose-deep) 100%);
  border-radius: 8px;
  box-shadow: 0 10px 40px rgba(201, 76, 109, 0.3);
  overflow: hidden;
}

.gift-base-ribbon {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 20%;
  background: linear-gradient(180deg, var(--gold) 0%, var(--gold-light) 100%);
  opacity: 0.9;
}

.gift-inner-glow {
  position: absolute;
  top: -5px;
  left: 10%;
  right: 10%;
  height: 30px;
  background: radial-gradient(ellipse, rgba(232, 200, 138, 0.6) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s;
}

.gift-box-wrapper:hover .gift-inner-glow {
  opacity: 1;
}

/* Gift lid */
.gift-lid {
  position: absolute;
  top: 15%;
  left: 50%;
  transform: translateX(-50%);
  width: 110%;
  height: 25%;
  z-index: 2;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.gift-lid-top {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--rose-light) 0%, var(--rose) 100%);
  border-radius: 6px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.gift-lid-ribbon-v {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  top: 0;
  bottom: 0;
  width: 18%;
  background: var(--gold);
  border-radius: 4px;
}

.gift-lid-ribbon-h {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 0;
  right: 0;
  height: 35%;
  background: var(--gold);
  border-radius: 4px;
}

/* Bow */
.gift-bow {
  position: absolute;
  top: -25px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 30px;
}

.bow-left, .bow-right {
  position: absolute;
  width: 28px;
  height: 28px;
  border-radius: 50% 50% 50% 0;
  background: var(--gold-light);
  top: 0;
}

.bow-left {
  left: 2px;
  transform: rotate(-45deg);
}

.bow-right {
  right: 2px;
  transform: rotate(45deg);
  border-radius: 50% 50% 0 50%;
}

.bow-knot {
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--gold);
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
}

.tap-hint {
  margin-top: 1.5rem;
  font-size: 0.85rem;
  color: rgba(253, 246, 236, 0.5);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: pulse 2s ease-in-out infinite;
}

@-webkit-keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}
@keyframes pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

/* Gift box opening animation */
.gift-box-wrapper.opening .gift-lid {
  animation: lidFly 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

.gift-box-wrapper.opening .gift-inner-glow {
  opacity: 1;
  animation: glowBurst 0.8s ease forwards;
}

@-webkit-keyframes lidFly {
  0% { -webkit-transform: translateX(-50%) translateY(0) rotate(0); transform: translateX(-50%) translateY(0) rotate(0); }
  60% { -webkit-transform: translateX(-50%) translateY(-120px) rotate(-15deg); transform: translateX(-50%) translateY(-120px) rotate(-15deg); opacity: 1; }
  100% { -webkit-transform: translateX(-50%) translateY(-200px) rotate(-25deg); transform: translateX(-50%) translateY(-200px) rotate(-25deg); opacity: 0; }
}
@keyframes lidFly {
  0% { transform: translateX(-50%) translateY(0) rotate(0); }
  60% { transform: translateX(-50%) translateY(-120px) rotate(-15deg); opacity: 1; }
  100% { transform: translateX(-50%) translateY(-200px) rotate(-25deg); opacity: 0; }
}

@keyframes glowBurst {
  0% { height: 30px; opacity: 0.6; }
  50% { height: 80px; opacity: 1; }
  100% { height: 200px; opacity: 0; }
}

/* ============================================
   BIRTHDAY SCREEN
   ============================================ */
#birthday-screen {
  background: radial-gradient(ellipse at 50% 80%, #2a0a12 0%, #000000 70%);
  flex-direction: column;
}

.birthday-content {
  text-align: center;
  padding: 2rem;
  max-width: 500px;
}

.birthday-text {
  opacity: 0;
  animation: fadeInUp 1s ease 0.3s forwards;
}

.bday-title {
  font-family: 'Dancing Script', cursive;
  font-size: clamp(2.5rem, 8vw, 4.5rem);
  font-weight: 700;
  color: var(--gold-light);
  line-height: 1.1;
  text-shadow: 0 0 40px rgba(212, 160, 86, 0.3);
}

.bday-name {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.8rem, 10vw, 5.5rem);
  font-weight: 600;
  color: var(--cream);
  margin-top: 0.2rem;
  letter-spacing: 0.05em;
  text-shadow: 0 0 60px rgba(253, 246, 236, 0.15);
}

.bday-divider {
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
  margin: 1.5rem auto 2rem;
}

.bday-message {
  font-size: clamp(0.9rem, 2.5vw, 1.05rem);
  color: rgba(253, 246, 236, 0.7);
  line-height: 1.7;
  font-weight: 300;
  max-width: 380px;
  margin: 0 auto 2.5rem;
}

.open-letters-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 2.2rem;
  background: linear-gradient(135deg, var(--rose) 0%, var(--rose-deep) 100%);
  border: none;
  border-radius: 50px;
  color: var(--cream);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  letter-spacing: 0.03em;
  transition: all 0.3s ease;
  box-shadow: 0 8px 30px rgba(201, 76, 109, 0.4);
}

.open-letters-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(201, 76, 109, 0.5);
}

/* ============================================
   LETTERS SCREEN
   ============================================ */
#letters-screen {
  background: #f5f0e8;
  flex-direction: column;
  justify-content: flex-start;
  padding: 0;
  color: #2a2018;
  overflow: hidden;
}

.letters-bg {
  position: absolute;
  inset: 0;
  background:
    /* Paper fiber texture */
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='400' height='400'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E"),
    /* Subtle warm gradients */
    radial-gradient(ellipse at 15% 10%, rgba(212, 160, 86, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 90%, rgba(201, 76, 109, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(240, 230, 210, 0.5) 0%, transparent 80%),
    /* Base paper color */
    linear-gradient(180deg, #f7f2ea 0%, #efe8dc 50%, #f3ece2 100%);
}

.letters-header {
  text-align: center;
  padding: 2.5rem 1rem 0.5rem;
  z-index: 2;
  flex-shrink: 0;
}

.letters-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: #2a1a0a;
}

.letters-hint {
  font-size: 0.8rem;
  color: #8a7a6a;
  margin-top: 0.4rem;
  letter-spacing: 0.05em;
}

/* Slider */
.slider-container {
  width: 100%;
  overflow-x: auto;
  overflow-y: hidden;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  z-index: 2;
  scrollbar-width: none;
}

.slider-container::-webkit-scrollbar {
  display: none;
}

.slider-track {
  display: flex;
  gap: 1.5rem;
  padding: 1rem calc(50vw - 140px);
  min-width: max-content;
}

/* Individual letter card */
.letter-card {
  scroll-snap-align: center;
  width: 280px;
  height: min(380px, 60vh);
  border-radius: 20px;
  position: relative;
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.4s ease;
  flex-shrink: 0;
  overflow: hidden;
}

.letter-card:hover {
  transform: translateY(-10px) scale(1.03);
  box-shadow: 0 12px 40px rgba(0,0,0,0.18), 0 20px 60px rgba(0,0,0,0.1);
}

.letter-card {
  box-shadow: 0 4px 20px rgba(0,0,0,0.12), 0 8px 40px rgba(0,0,0,0.08);
}

.letter-card-img {
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}

.letter-card:hover .letter-card-img {
  transform: scale(1.05);
}

.letter-card-overlay {
  position: absolute;
  inset: 0;
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.55) 100%);
  z-index: 1;
}

.letter-card-inner {
  position: relative;
  z-index: 2;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-end;
  padding: 1.5rem 1.5rem 2rem;
  text-align: center;
}

.letter-card-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,0.8);
  margin-bottom: 0.5rem;
  font-weight: 500;
}

.letter-card-title {
  font-family: 'Playfair Display', serif;
  font-size: 1.25rem;
  font-weight: 600;
  color: white;
  line-height: 1.4;
}

.letter-card-divider {
  width: 40px;
  height: 2px;
  background: rgba(255,255,255,0.3);
  margin: 1rem 0;
  border-radius: 1px;
}

.letter-card-subtitle {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.7);
  font-weight: 300;
  font-style: italic;
}

/* Slider dots */
.slider-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  padding: 1rem 1rem 2rem;
  z-index: 2;
  flex-wrap: wrap;
  max-width: 300px;
  margin: 0 auto;
  flex-shrink: 0;
}

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(42, 26, 10, 0.15);
  transition: all 0.3s ease;
  cursor: pointer;
}

.dot.active {
  background: var(--rose-deep);
  transform: scale(1.3);
}

/* ============================================
   LETTER OVERLAY
   ============================================ */
.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
  padding: 1rem;
}

.overlay .letter-open-container {
  transform: scale(0.95);
  transition: transform 0.4s ease-out;
}

.overlay.active .letter-open-container {
  transform: scale(1);
}

/* Force GPU layer for smooth overlay */
.overlay {
  will-change: opacity;
}

.overlay.active {
  opacity: 1;
  pointer-events: all;
}

.overlay.active ~ #letters-screen .letter-card {
  pointer-events: none;
}

.overlay-backdrop {
  position: fixed;
  inset: 0;
  background: #0a0508;
  z-index: 1;
}

.letter-open-container {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 600px;
  display: grid;
  place-items: center;
  margin: 0 auto;
}

.letter-open-container > * {
  grid-area: 1 / 1;
}

/* Envelope */
.envelope-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.envelope-wrapper.hidden {
  opacity: 0;
  transform: scale(0.8);
  pointer-events: none;
  position: absolute;
  visibility: hidden;
}

/* Envelope image */
.envelope-image {
  width: clamp(280px, 70vw, 400px);
  height: auto;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.3s ease;
  box-shadow: 0 10px 40px rgba(0,0,0,0.4);
  opacity: 0;
  animation: fadeInUp 0.6s ease 0.15s forwards;
}

.envelope-image:hover {
  transform: scale(1.03);
}

.envelope-image:active {
  transform: scale(0.97);
}

.envelope-image.opening {
  animation: envelopeOpen 0.5s ease forwards;
}

@-webkit-keyframes envelopeOpen {
  0% { -webkit-transform: scale(1); transform: scale(1); opacity: 1; }
  40% { -webkit-transform: scale(1.05); transform: scale(1.05); opacity: 1; }
  100% { -webkit-transform: scale(0.9) translateY(-20px); transform: scale(0.9) translateY(-20px); opacity: 0; }
}
@keyframes envelopeOpen {
  0% { transform: scale(1); opacity: 1; }
  40% { transform: scale(1.05); opacity: 1; }
  100% { transform: scale(0.9) translateY(-20px); opacity: 0; }
}

.seal-hint {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: rgba(253, 246, 236, 0.35);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  animation: pulse 2s ease-in-out infinite;
  text-align: center;
}

/* ============================================
   LETTER CONTENT
   ============================================ */
.letter-content-wrapper {
  opacity: 0;
  transform: translateY(30px);
  pointer-events: none;
  transition: all 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
  width: 100%;
  max-width: 580px;
  max-height: 85vh;
  overflow-y: auto;
  scrollbar-width: none;
}

.letter-content-wrapper::-webkit-scrollbar {
  display: none;
}

.letter-content-wrapper.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: all;
}

/* Old paper */
.letter-paper {
  background: linear-gradient(180deg, #f4e4c1 0%, #e8d5a8 30%, #f0debb 60%, #e5d0a0 100%);
  border-radius: 4px;
  padding: 0;
  min-height: 450px;
  position: relative;
  box-shadow:
    0 2px 4px rgba(0,0,0,0.1),
    0 8px 24px rgba(0,0,0,0.15),
    0 20px 60px rgba(0,0,0,0.25),
    inset 0 0 80px rgba(139, 90, 43, 0.08);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

/* Aged paper edges */
.paper-edge.top {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg,
    #c4a46a,
    #d4b87a 20%,
    #b89858 50%,
    #d4b87a 80%,
    #c4a46a
  );
  z-index: 2;
}

/* Burnt edge vignette */
.letter-paper::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 4px;
  box-shadow: inset 0 0 60px rgba(100, 60, 20, 0.15);
  pointer-events: none;
  z-index: 4;
}

/* Paper stains for aged effect */
.paper-stain {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  z-index: 1;
}

.paper-stain.s1 {
  top: -20px;
  right: 30px;
  width: 120px;
  height: 120px;
  background: radial-gradient(ellipse, rgba(160, 120, 60, 0.08) 0%, transparent 70%);
}

.paper-stain.s2 {
  bottom: 40px;
  left: -20px;
  width: 150px;
  height: 150px;
  background: radial-gradient(ellipse, rgba(140, 100, 40, 0.06) 0%, transparent 70%);
}

.paper-stain.s3 {
  top: 50%;
  right: -30px;
  width: 100px;
  height: 180px;
  background: radial-gradient(ellipse, rgba(130, 90, 30, 0.05) 0%, transparent 70%);
}

/* Ruled lines (subtle) */
.letter-ruled-lines {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

/* Letter inner content */
.letter-inner {
  position: relative;
  z-index: 3;
  padding: clamp(2rem, 5vw, 3rem) clamp(2rem, 6vw, 3.5rem);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.letter-greeting {
  font-family: 'Pinyon Script', cursive;
  font-size: clamp(1.6rem, 4vw, 2rem);
  font-weight: 400;
  color: #3a2a1a;
  margin-bottom: 1rem;
}

.letter-body {
  font-family: 'Pinyon Script', cursive;
  font-size: clamp(1.15rem, 3vw, 1.35rem);
  color: #3d2e1e;
  line-height: 1.8;
  flex: 1;
  font-weight: 400;
}

.letter-body p {
  margin-bottom: 0.6rem;
}

.letter-body p:last-child {
  margin-bottom: 0;
}

.letter-footer {
  text-align: right;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
}

.letter-closing {
  font-family: 'Pinyon Script', cursive;
  font-size: 1.3rem;
  color: #4a3828;
}

.letter-signature {
  font-family: 'Pinyon Script', cursive;
  font-size: 1.8rem;
  color: #2a1a0a;
  margin-top: 0.4rem;
}

.letter-date {
  font-family: 'Pinyon Script', cursive;
  font-size: 1rem;
  color: #8a7a6a;
  margin-top: 1rem;
  letter-spacing: 0.05em;
}

.close-letter-btn {
  position: absolute;
  top: -40px;
  right: 0;
  background: rgba(253, 246, 236, 0.15);
  border: none;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--cream);
  transition: background 0.2s;
  z-index: 10;
}

.close-letter-btn:hover {
  background: rgba(253, 246, 236, 0.25);
}

/* ============================================
   CONFETTI
   ============================================ */
.confetti-piece {
  position: fixed;
  width: 10px;
  height: 10px;
  z-index: 200;
  pointer-events: none;
}

@keyframes confettiFall {
  0% {
    transform: translateY(-10vh) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translateY(110vh) rotate(720deg);
    opacity: 0;
  }
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 480px) {
  .letters-header {
    padding: 1rem 1rem 0.3rem;
  }

  .letters-header h2 {
    font-size: 1.3rem;
  }

  .letters-hint {
    font-size: 0.65rem;
    margin-top: 0.2rem;
  }

  .letter-card {
    width: 250px;
    height: min(340px, 55vh);
  }

  .slider-track {
    padding: 0.8rem calc(50vw - 125px);
    gap: 1rem;
  }

  .slider-dots {
    padding: 0.8rem;
  }

  .letter-paper {
    min-height: 300px;
  }

  .letter-inner {
    padding: 1.5rem 1.5rem;
  }

  .letter-greeting {
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
  }

  .letter-body {
    font-size: 1.1rem;
    line-height: 1.7;
  }

  .letter-content-wrapper {
    max-height: 80vh;
    max-width: 95%;
  }

  .envelope-image {
    width: clamp(250px, 80vw, 320px);
  }

  .close-letter-btn {
    top: -36px;
    right: 4px;
  }

  .overlay {
    padding: 0.5rem;
  }

  .letter-card-title {
    font-size: 1.1rem;
  }

  .letter-card-label {
    font-size: 0.65rem;
  }

  .letter-card-inner {
    padding: 1.2rem 1.2rem 1.5rem;
  }

  .landing-title {
    font-size: 1.8rem;
  }

  .bday-title {
    font-size: 2.5rem;
  }

  .bday-name {
    font-size: 3rem;
  }

  .open-letters-btn {
    padding: 0.8rem 1.8rem;
    font-size: 0.9rem;
  }
}

@media (max-width: 360px) {
  .letter-card {
    width: 230px;
    height: 330px;
  }

  .slider-track {
    padding: 1rem calc(50vw - 115px);
  }
}

@media (min-width: 768px) {
  .letter-card {
    width: 300px;
    height: 400px;
  }
}

/* ============================================
   EDITOR / CREATOR STUDIO
   ============================================ */
#editor {
  display: block;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  background: radial-gradient(ellipse at 50% -10%, #2a0f1a 0%, #140b11 60%, #0c070a 100%);
}
.ed-wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: clamp(2rem, 6vw, 4rem) clamp(1.1rem, 5vw, 2rem) 5rem;
}
.ed-head { text-align: center; margin-bottom: 2.5rem; }
.ed-kicker {
  font-size: 0.7rem; letter-spacing: 0.28em; text-transform: uppercase;
  color: var(--gold); margin-bottom: 0.9rem;
}
.ed-title {
  font-family: 'Playfair Display', serif; font-weight: 600;
  font-size: clamp(1.9rem, 6vw, 3rem); line-height: 1.05; color: var(--cream);
}
.ed-sub {
  margin: 1rem auto 0; max-width: 32rem;
  font-size: 0.95rem; line-height: 1.7; font-weight: 300;
  color: rgba(253, 246, 236, 0.62);
}
.ed-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(253, 246, 236, 0.08);
  border-radius: 18px;
  padding: clamp(1.2rem, 4vw, 1.8rem);
  margin-bottom: 1.4rem;
}
.ed-h2 {
  font-family: 'Playfair Display', serif; font-weight: 600;
  font-size: 1.25rem; color: var(--cream);
}
.ed-h2-row { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
.ed-count { font-size: 0.78rem; color: var(--gold-light); letter-spacing: 0.04em; white-space: nowrap; }
.ed-grid { display: grid; gap: 1rem; margin-top: 1.1rem; }
.ed-field { display: flex; flex-direction: column; gap: 0.4rem; }
.ed-field > span {
  font-size: 0.72rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(253, 246, 236, 0.5);
}
.ed-in, .ed-field input {
  width: 100%;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(253, 246, 236, 0.12);
  border-radius: 10px;
  color: var(--cream);
  font-family: 'Poppins', sans-serif; font-size: 0.95rem;
  padding: 0.7rem 0.85rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.ed-in:focus, .ed-field input:focus {
  outline: none; border-color: var(--rose);
  box-shadow: 0 0 0 3px rgba(201, 76, 109, 0.18);
}
textarea.ed-in { resize: vertical; min-height: 92px; line-height: 1.6; }
.ed-in::placeholder { color: rgba(253, 246, 236, 0.3); }

.ed-letters { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.1rem; }
.ed-letter {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid rgba(253, 246, 236, 0.08);
  border-radius: 14px;
  padding: 1rem;
  display: flex; flex-direction: column; gap: 0.6rem;
}
.ed-letter-top { display: flex; align-items: center; gap: 0.6rem; }
.ed-letter-n {
  flex: none; width: 26px; height: 26px; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.75rem; font-weight: 600;
  color: var(--rose-light); background: rgba(201, 76, 109, 0.15);
}
.ed-letter-top .ed-l-title { flex: 1; min-width: 0; }
.ed-letter-ctrl { display: flex; gap: 0.3rem; flex: none; }
.ed-letter-ctrl button {
  width: 30px; height: 30px; border-radius: 8px;
  border: 1px solid rgba(253, 246, 236, 0.12); background: rgba(255, 255, 255, 0.03);
  color: var(--cream); cursor: pointer; font-size: 0.85rem;
  transition: background 0.2s, opacity 0.2s;
}
.ed-letter-ctrl button:hover:not(:disabled) { background: rgba(255, 255, 255, 0.1); }
.ed-letter-ctrl button:disabled { opacity: 0.25; cursor: default; }
.ed-imgs-label {
  font-size: 0.68rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: rgba(253, 246, 236, 0.4); margin-top: 0.2rem;
}
.ed-imgs { display: flex; gap: 0.45rem; flex-wrap: wrap; }
.ed-img {
  width: 42px; height: 42px; border-radius: 8px;
  background-size: cover; background-position: center;
  border: 2px solid transparent; cursor: pointer; padding: 0;
  opacity: 0.5; transition: opacity 0.2s, transform 0.2s, border-color 0.2s;
}
.ed-img:hover { opacity: 0.9; transform: translateY(-2px); }
.ed-img.sel { opacity: 1; border-color: var(--gold); }

.ed-add {
  margin-top: 1.1rem; width: 100%;
  background: transparent; border: 1px dashed rgba(253, 246, 236, 0.2);
  border-radius: 12px; color: var(--gold-light);
  font-family: 'Poppins', sans-serif; font-size: 0.9rem; padding: 0.8rem; cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.ed-add:hover { border-color: var(--gold); color: var(--cream); background: rgba(212, 160, 86, 0.06); }

.ed-actions { display: flex; flex-wrap: wrap; gap: 0.8rem; align-items: center; margin-top: 1.8rem; }
.ed-btn {
  font-family: 'Poppins', sans-serif; font-size: 0.95rem; font-weight: 500;
  border-radius: 50px; padding: 0.85rem 1.8rem; cursor: pointer; border: none;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s, color 0.2s;
}
.ed-btn--solid {
  background: linear-gradient(135deg, var(--rose) 0%, var(--rose-deep) 100%);
  color: var(--cream); box-shadow: 0 8px 26px rgba(201, 76, 109, 0.35);
}
.ed-btn--solid:hover { transform: translateY(-2px); box-shadow: 0 12px 34px rgba(201, 76, 109, 0.45); }
.ed-btn--ghost { background: transparent; color: var(--cream); border: 1px solid rgba(253, 246, 236, 0.2); }
.ed-btn--ghost:hover { background: rgba(255, 255, 255, 0.06); }
.ed-btn--text { background: transparent; color: rgba(253, 246, 236, 0.45); padding: 0.85rem 0.6rem; }
.ed-btn--text:hover { color: var(--rose-light); }
.ed-foot { margin-top: 2rem; text-align: center; font-size: 0.8rem; color: rgba(253, 246, 236, 0.35); }
.ed-foot a { color: var(--gold-light); text-decoration: none; }
.ed-foot a:hover { text-decoration: underline; }

/* customise entry point (creator mode) */
.edit-fab {
  position: fixed; top: 1rem; right: 1rem; z-index: 150;
  display: inline-flex; align-items: center; gap: 0.45rem;
  background: rgba(20, 11, 17, 0.72); backdrop-filter: blur(10px);
  border: 1px solid rgba(253, 246, 236, 0.18); border-radius: 50px;
  color: var(--cream); font-family: 'Poppins', sans-serif; font-size: 0.82rem;
  padding: 0.55rem 1.1rem; cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  animation: editPulse 2.8s ease-in-out infinite;
}
.edit-fab:hover { background: rgba(201, 76, 109, 0.5); transform: translateY(-1px); }
.edit-fab__ico { color: var(--gold-light); }
@keyframes editPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 76, 109, 0); }
  50%      { box-shadow: 0 0 0 8px rgba(201, 76, 109, 0.10); }
}

/* share modal */
.ed-share { position: fixed; inset: 0; z-index: 300; display: flex; align-items: center; justify-content: center; padding: 1.2rem; }
.ed-share[hidden] { display: none; }
.ed-share-backdrop { position: absolute; inset: 0; background: rgba(8, 4, 7, 0.72); backdrop-filter: blur(4px); }
.ed-share-box {
  position: relative; z-index: 1; width: 100%; max-width: 30rem;
  background: linear-gradient(180deg, #241019 0%, #1a0d13 100%);
  border: 1px solid rgba(253, 246, 236, 0.1); border-radius: 20px;
  padding: 2rem 1.6rem 1.8rem; text-align: center;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}
.ed-share-x {
  position: absolute; top: 0.8rem; right: 0.9rem;
  background: none; border: none; color: rgba(253, 246, 236, 0.5);
  font-size: 1rem; cursor: pointer;
}
.ed-share-box h3 { font-family: 'Playfair Display', serif; font-size: 1.4rem; color: var(--cream); margin-bottom: 0.5rem; }
.ed-share-box > p { font-size: 0.88rem; color: rgba(253, 246, 236, 0.6); line-height: 1.6; margin-bottom: 1.2rem; }
.ed-share-row { display: flex; gap: 0.5rem; }
.ed-share-link {
  flex: 1; min-width: 0; background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(253, 246, 236, 0.12); border-radius: 10px;
  color: var(--gold-light); font-family: ui-monospace, monospace; font-size: 0.8rem;
  padding: 0.7rem 0.8rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.ed-share-open { display: inline-block; margin-top: 1rem; color: var(--rose-light); font-size: 0.85rem; text-decoration: none; }
.ed-share-open:hover { text-decoration: underline; }
.ed-share-note { margin: 0.9rem 0 0; font-size: 0.75rem; color: rgba(253, 246, 236, 0.4); }

@media (min-width: 600px) {
  .ed-grid { grid-template-columns: 1fr 1fr; }
  .ed-grid .ed-field:first-child { grid-column: 1 / -1; }
}