/* ===========================
   FLOATING HEARTS RAIN
   =========================== */
#hearts-canvas {
  position: fixed;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 5rem;
  height: 100%;
  pointer-events: none;
  z-index: 9990;
  overflow: hidden;
}

.heart-rain-item {
  position: absolute;
  pointer-events: none;
  animation: heartFall linear infinite;
  opacity: 0;
  font-size: 0.14rem;
  color: var(--heart-red);
  user-select: none;
}

@keyframes heartFall {
  0% {
    transform: translateY(-0.2rem) rotate(0deg) scale(0);
    opacity: 0;
  }

  10% {
    opacity: 0.8;
    transform: translateY(0) rotate(10deg) scale(1);
  }

  90% {
    opacity: 0.6;
  }

  100% {
    transform: translateY(110vh) rotate(360deg) scale(0.5);
    opacity: 0;
  }
}

/* ===========================
   FLOATING TOOLBAR (bottom)
   =========================== */
#toolbar {
  position: fixed;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 5rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(0.1rem);
  border-top: 1px solid rgba(97, 16, 16, 0.1);
  display: flex;
  align-items: center;
  padding: 0.1rem 0.12rem;
  gap: 0.08rem;
  z-index: 9999;
  box-shadow: 0 -0.04rem 0.2rem rgba(0, 0, 0, 0.08);
  opacity: 1;
  pointer-events: auto;
  transition: transform 240ms ease, opacity 220ms ease;
}

#toolbar.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateX(-50%) translateY(calc(100% + 0.12rem));
}

#toolbar-toggle-btn {
  position: fixed;
  left: var(--toolbar-toggle-left, clamp(0.38rem, calc(50% + 2.2rem), calc(100% - 0.34rem)));
  bottom: var(--toolbar-toggle-bottom-expanded, calc(var(--toolbar-height) + 0.44rem));
  transform: translateX(-50%);
  width: var(--toolbar-toggle-size, 0.44rem);
  height: var(--toolbar-toggle-size, 0.44rem);
  border: 1.5px solid rgba(97, 16, 16, 0.2);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.96);
  color: var(--maroon);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 0.04rem 0.16rem rgba(61, 10, 10, 0.14);
  z-index: 10010;
  opacity: 1;
  transition: bottom 360ms cubic-bezier(0.18, 0.88, 0.24, 1), transform 240ms ease, opacity 220ms ease, background-color 220ms ease, border-color 220ms ease;
}

#toolbar-toggle-btn:hover {
  background: #fff;
  border-color: rgba(97, 16, 16, 0.32);
}

#toolbar-toggle-btn:focus-visible {
  outline: 2px solid rgba(97, 16, 16, 0.45);
  outline-offset: 2px;
}

#toolbar-toggle-btn.is-collapsed {
  bottom: var(--toolbar-toggle-bottom-collapsed, 0.12rem);
}

.toolbar-toggle-icon {
  position: relative;
  width: var(--toolbar-toggle-icon-size, 0.18rem);
  height: var(--toolbar-toggle-icon-size, 0.18rem);
  display: block;
}

.toolbar-toggle-icon .line {
  position: absolute;
  left: 50%;
  top: 50%;
  width: var(--toolbar-toggle-line-width, 0.15rem);
  height: var(--toolbar-toggle-line-height, 2px);
  border-radius: 999px;
  background: currentColor;
  transform-origin: center;
  transition: transform 240ms ease, opacity 220ms ease;
}

.toolbar-toggle-icon .line-1 {
  transform: translate(-50%, -50%) rotate(45deg);
}

.toolbar-toggle-icon .line-2 {
  opacity: 0;
  transform: translate(-50%, -50%) scaleX(0.2);
}

.toolbar-toggle-icon .line-3 {
  transform: translate(-50%, -50%) rotate(-45deg);
}

#toolbar-toggle-btn.is-collapsed .toolbar-toggle-icon .line-1 {
  transform: translate(-50%, calc(-50% - 0.055rem)) rotate(0deg);
}

#toolbar-toggle-btn.is-collapsed .toolbar-toggle-icon .line-2 {
  opacity: 1;
  transform: translate(-50%, -50%) scaleX(1);
}

#toolbar-toggle-btn.is-collapsed .toolbar-toggle-icon .line-3 {
  transform: translate(-50%, calc(-50% + 0.055rem)) rotate(0deg);
}

#blessing-input-wrap {
  flex: 1;
  display: flex;
  align-items: center;
  background: #f5f0eb;
  border-radius: 0.24rem;
  padding: 0.08rem 0.14rem;
  gap: 0.08rem;
  border: 1.5px solid transparent;
  transition: var(--transition);
}

#blessing-input-wrap:focus-within {
  border-color: var(--maroon);
  background: #fff;
}

#blessing-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-body);
  font-size: 0.13rem;
  color: var(--text-dark);
  outline: none;
}

#blessing-input::placeholder {
  color: var(--text-muted);
}

#btn-send-blessing {
  width: 0.36rem;
  height: 0.36rem;
  background: var(--maroon);
  border: none;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition);
}

#btn-send-blessing:hover {
  background: var(--maroon-light);
  transform: scale(1.05);
}

#btn-send-blessing svg {
  width: 0.16rem;
  height: 0.16rem;
  fill: white;
}

#btn-shoot-hearts {
  display: flex;
  align-items: center;
  gap: 0.05rem;
  background: linear-gradient(135deg, #ff6b9d, #ff4757);
  color: white;
  border: none;
  border-radius: 0.2rem;
  padding: 0.08rem 0.14rem;
  font-size: 0.12rem;
  font-family: var(--font-body);
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition);
}

#btn-shoot-hearts:hover {
  transform: scale(1.05);
}

#btn-shoot-hearts:active {
  transform: scale(0.95);
}

#btn-gift {
  width: 0.36rem;
  height: 0.36rem;
  background: var(--cream);
  border: 1.5px solid var(--maroon);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: var(--transition);
  position: relative;
  color: var(--maroon);
}

#btn-gift:hover {
  background: var(--pink-light);
}

.heart-count-badge {
  position: absolute;
  top: -0.06rem;
  right: -0.06rem;
  background: var(--heart-red);
  color: white;
  font-size: 0.09rem;
  font-weight: 700;
  border-radius: 0.1rem;
  padding: 1px 0.05rem;
  min-width: 0.16rem;
  text-align: center;
  line-height: 0.14rem;
}

/* ===========================
   FLOATING BLESSING MESSAGES
   =========================== */
#blessing-messages {
  position: fixed;
  left: max(0px, calc(50% - 2.5rem));
  transform: none;
  bottom: calc(var(--toolbar-height) + 0.16rem);
  width: 100%;
  max-width: 5rem;
  pointer-events: none;
  padding: 0 0.12rem;
  z-index: 9980;
  height: 2.34rem;
  overflow: hidden;
  isolation: isolate;
  opacity: 1;
  transition: transform 240ms ease, opacity 220ms ease;
}

#blessing-messages.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(0.12rem);
}

.blessing-msg {
  --bless-origin-x: 50%;
  --bless-x-mid: 0rem;
  --bless-x-offset: 0rem;
  --bless-y-lift: 1.48rem;
  --bless-start-rise: 0.05rem;
  --bless-tilt: 0deg;
  --bless-duration: 5600ms;
  --bless-delay: 0ms;
  --bless-alpha: 0.92;
  position: absolute;
  left: var(--bless-origin-x);
  right: auto;
  bottom: 0.02rem;
  width: max-content;
  max-width: min(86%, 3.72rem);
  padding: 0.075rem 0.14rem;
  border-radius: 0.18rem;
  border: 1px solid rgba(97, 16, 16, 0.11);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.94), rgba(255, 255, 255, 0.86));
  opacity: 0;
  backdrop-filter: blur(0.12rem);
  box-shadow:
    0 0.02rem 0.06rem rgba(61, 10, 10, 0.06),
    0 0.06rem 0.18rem rgba(61, 10, 10, 0.12);
  font-size: 0.13rem;
  line-height: 1.35;
  color: var(--text-dark);
  white-space: normal;
  pointer-events: none;
  will-change: transform, opacity;
  animation: blessingBubbleFloat var(--bless-duration) cubic-bezier(0.18, 0.8, 0.22, 1) var(--bless-delay) forwards;
}

.blessing-msg::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: -0.22rem;
  width: 0.46rem;
  height: 0.28rem;
  transform: translateX(-50%);
  border-radius: 999px;
  background: radial-gradient(ellipse at center,
      rgba(97, 16, 16, 0.11) 0%,
      rgba(97, 16, 16, 0.05) 35%,
      rgba(97, 16, 16, 0) 72%);
  opacity: 0;
  pointer-events: none;
  animation: blessingBubbleTail var(--bless-duration) linear var(--bless-delay) forwards;
}

.blessing-msg strong {
  color: var(--maroon);
  font-weight: 700;
}

@keyframes blessingBubbleFloat {
  0% {
    opacity: 0;
    transform: translate3d(0, calc(var(--bless-start-rise) + 0.14rem), 0) scale(0.95) rotate(calc(var(--bless-tilt) * 0.35));
  }

  10% {
    opacity: 1;
    transform: translate3d(calc(var(--bless-x-mid) * 0.25), calc(var(--bless-start-rise) * -0.55), 0) scale(1) rotate(var(--bless-tilt));
  }

  38% {
    opacity: 1;
    transform: translate3d(var(--bless-x-mid), calc(var(--bless-y-lift) * -0.34), 0) scale(1.005) rotate(calc(var(--bless-tilt) * 0.72));
  }

  72% {
    opacity: 0.9;
    transform: translate3d(calc((var(--bless-x-mid) * 0.45) + (var(--bless-x-offset) * 0.55)), calc(var(--bless-y-lift) * -0.76), 0) scale(1.01) rotate(calc(var(--bless-tilt) * 0.45));
  }

  100% {
    opacity: 0;
    transform: translate3d(var(--bless-x-offset), calc(var(--bless-y-lift) * -1), 0) scale(1.02) rotate(calc(var(--bless-tilt) * 0.2));
  }
}

@keyframes blessingBubbleTail {
  0% {
    opacity: 0;
  }

  14% {
    opacity: 0.24;
  }

  58% {
    opacity: 0.14;
  }

  100% {
    opacity: 0;
  }
}

.blessing-msg--reduced {
  animation: blessingBubbleReduced 1100ms ease-out forwards;
}

@keyframes blessingBubbleReduced {
  from {
    opacity: 0;
  }

  30% {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

/* ===========================
   MUSIC BUTTON
   =========================== */
#music-btn {
  position: fixed;
  top: 0.16rem;
  right: max(0.05rem, calc((100vw - 5rem) / 2 + 0.05rem));
  /* keep 0.23rem inset on narrow viewports; align to centered 5rem app container on wide viewports */
  width: 0.44rem;
  height: 0.44rem;
  cursor: pointer;
  z-index: 9998;
  border-radius: 50%;
  overflow: hidden;
  transition: var(--transition);
  background: var(--maroon);
  /* background to make icon visible */
  box-shadow: 0 0.02rem 0.12rem rgba(0, 0, 0, 0.3);
}

#music-btn img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

#music-btn.playing {
  animation: spinDisc 4s linear infinite;
}

@keyframes spinDisc {
  from {
    transform: rotate(0deg);
  }

  to {
    transform: rotate(360deg);
  }
}

/* Disc rings */
#music-btn::before {
  content: '';
  position: absolute;
  inset: 0.04rem;
  border: 0.02rem solid rgba(255, 255, 255, 0.4);
  border-radius: 50%;
}

#music-btn::after {
  content: '';
  position: absolute;
  inset: 0.11rem;
  background: rgba(0, 0, 0, 0.5);
  border-radius: 50%;
}

/* ===========================
   SECTION 9: FOOTER
   =========================== */
#footer {
  background: var(--maroon);
  padding: 0.32rem 0.2rem 0.128rem;
  text-align: center;
}

.footer-script {
  font-family: var(--font-script);
  font-size: 0.32rem;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 0.08rem;
}

.footer-tagline {
  font-size: 0.12rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.02rem;
  text-transform: uppercase;
}

.footer-share {
  display: flex;
  justify-content: center;
  gap: 0.12rem;
  margin-top: 0.2rem;
}

.footer-share-btn {
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: var(--transition);
  border: none;
}

.footer-share-btn:hover {
  background: rgba(255, 255, 255, 0.25);
}

.footer-share-btn svg {
  width: 0.18rem;
  height: 0.18rem;
}

/* ===========================
   TOAST NOTIFICATION
   =========================== */
#toast {
  position: fixed;
  top: 0.2rem;
  left: 50%;
  transform: translateX(-50%) translateY(-3rem);
  /* fully off-screen above */
  background: rgba(30, 20, 20, 0.9);
  color: white;
  padding: 0.1rem 0.2rem;
  border-radius: 0.24rem;
  font-size: 0.13rem;
  font-family: var(--font-body);
  z-index: 99999;
  transition: transform 0.3s ease;
  backdrop-filter: blur(0.1rem);
  white-space: nowrap;
}

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

/* ===========================
   HEART BURST ANIMATION
   =========================== */
.heart-burst {
  position: fixed;
  pointer-events: none;
  z-index: 99999;
  animation: heartBurstFly 1.2s ease forwards;
  font-size: 0.2rem;
  color: var(--heart-red);
}

@keyframes heartBurstFly {
  0% {
    opacity: 1;
    transform: translate(0, 0) scale(0.5);
  }

  50% {
    opacity: 1;
  }

  100% {
    opacity: 0;
    transform: translate(var(--tx), var(--ty)) scale(1.2);
  }
}

/* ===========================
   SCROLLBAR
   =========================== */
::-webkit-scrollbar {
  width: 0.04rem;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: rgba(97, 16, 16, 0.3);
  border-radius: 0.04rem;
}

/* ===========================
   BLESSING NAME DIALOG
   =========================== */
.blessing-name-dialog-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.48);
  z-index: 10000;
  align-items: center;
  justify-content: center;
  padding: 0.16rem;
}

.blessing-name-dialog-overlay.open {
  display: flex;
  animation: blessingNameOverlayIn calc(0.25s * var(--animation-speed-factor, 1)) ease forwards;
}

@keyframes blessingNameOverlayIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.blessing-name-dialog-modal {
  position: relative;
  width: 100%;
  max-width: 4rem;
  background: #fff;
  border-radius: 0.18rem;
  padding: 0.22rem 0.2rem 0.2rem;
  box-shadow: 0 0.12rem 0.48rem rgba(0, 0, 0, 0.22);
  animation: blessingNameModalIn calc(0.28s * var(--animation-speed-factor, 1)) cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes blessingNameModalIn {
  from {
    opacity: 0;
    transform: scale(0.88) translateY(0.16rem);
  }

  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}

.blessing-name-dialog-close {
  position: absolute;
  top: 0.08rem;
  right: 0.1rem;
  border: none;
  background: transparent;
  color: #666;
  font-size: 0.3rem;
  line-height: 1;
  cursor: pointer;
  padding: 0;
  width: 0.4rem;
  height: 0.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.blessing-name-dialog-close:hover {
  color: #222;
}

.blessing-name-dialog-close:focus-visible {
  outline: 2px solid rgba(97, 16, 16, 0.45);
  outline-offset: 2px;
  border-radius: 50%;
}

.blessing-name-dialog-title {
  margin: 0;
  text-align: center;
  font-family: var(--font-script);
  font-size: 0.28rem;
  color: var(--primary);
  line-height: 1.2;
  padding: 0.04rem 0.28rem 0.08rem;
}

.blessing-name-dialog-body {
  padding: 0.08rem 0.02rem 0.16rem;
}

.blessing-name-dialog-option {
  display: flex;
  margin-bottom: 0.12rem;
}

.blessing-name-dialog-option:last-child {
  margin-bottom: 0;
}

.blessing-name-dialog-option label {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.08rem;
  cursor: pointer;
}

.blessing-name-dialog-option input[type="radio"] {
  margin: 0;
  accent-color: var(--maroon);
  width: 0.16rem;
  height: 0.16rem;
  flex-shrink: 0;
}

.blessing-name-input {
  flex: 1;
  min-width: 0;
  border: none;
  border-bottom: 1.5px solid rgba(97, 16, 16, 0.26);
  background: transparent;
  color: var(--text-dark);
  font-family: var(--font-body);
  font-size: 0.13rem;
  line-height: 1.5;
  padding: 0.04rem 0;
  outline: none;
  transition: border-color 180ms ease;
}

.blessing-name-input:focus {
  border-bottom-color: var(--maroon);
}

.blessing-name-anonymous-text {
  font-size: 0.115rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.55;
}

.blessing-name-submit-btn {
  display: block;
  margin: 0 auto;
  min-width: 1.5rem;
  padding: 0.09rem 0.24rem;
  border: none;
  border-radius: 9999px;
  background: linear-gradient(135deg, #ff6b9d, #ff4757);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.13rem;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 180ms ease, filter 180ms ease;
}

.blessing-name-submit-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.03);
}

.blessing-name-submit-btn:active {
  transform: translateY(0);
  filter: brightness(0.98);
}

.blessing-name-submit-btn:focus-visible {
  outline: 2px solid rgba(97, 16, 16, 0.45);
  outline-offset: 2px;
}

@media (max-width: 480px) {
  .blessing-name-dialog-overlay {
    padding: 0.12rem;
  }

  .blessing-name-dialog-modal {
    width: 90%;
    max-width: 90%;
    padding: 0.2rem 0.16rem 0.18rem;
  }

  .blessing-name-dialog-title {
    font-size: 0.24rem;
  }
}