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

html,
body {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background-color: #2a0e13;
  background-image:
    radial-gradient(circle at 50% 35%, rgba(70, 20, 30, 0.92) 0%, rgba(20, 5, 10, 1.0) 100%);
  background-size: cover;
  background-position: center;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  touch-action: none;
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  user-select: none;
  display: flex;
  justify-content: center;
  align-items: center;
}

/* Centered Mobile Phone Frame Container */
#canvas-container {
  width: 100%;
  max-width: 440px;
  height: 100%;
  max-height: 100vh;
  position: relative;
  background-color: #f7efe6;
  background-image: url('../assets/background.png');
  background-size: 100% 100%;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
  touch-action: none;
  pointer-events: none;
}

#canvas-container canvas:not(#corner-flower) {
  position: absolute;
  top: 0;
  left: 0;
  width: 100% !important;
  height: 100% !important;
  z-index: 2;
  pointer-events: none;
}

/* Royal Wedding Header: សិរីមង្គលអាពាហ៍ពិពាហ៍ */
#wedding-header {
  position: absolute;
  top: 13.5%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 90%;
  max-width: 360px;
  z-index: 3;
  pointer-events: none;
  overflow: visible;
  opacity: 0;
  animation: headerReveal 1.6s cubic-bezier(0.22, 1, 0.36, 1) 0.3s forwards;
  will-change: transform, opacity;
}

.wedding-header-title {
  font-family: 'Moul', 'Taprom', 'Kantumruy Pro', cursive;
  font-size: clamp(17px, 4.4vw, 21px);
  font-weight: normal;
  text-align: center;
  line-height: 1.9;
  letter-spacing: 0.8px;
  margin: 0;
  padding: 8px 0 0 0;
  white-space: nowrap;
  overflow: visible;
  background: linear-gradient(180deg, #a86c1e 0%, #8c5210 25%, #703c05 60%, #4a2402 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #703c05;
  filter: drop-shadow(1px 2px 2.5px rgba(50, 20, 5, 0.45));
}

.header-vine-bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 3px;
  width: 100%;
}

.header-vine-bottom svg {
  display: block;
}

@keyframes headerReveal {
  0% {
    opacity: 0;
    transform: translate(-50%, -8px) scale(0.96);
  }

  100% {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

/* Bottom-Left Floral Corner Bouquet Container */
#corner-flower {
  position: absolute;
  bottom: -14px;
  left: -18px;
  margin: 0;
  padding: 0;
  width: 58%;
  max-width: 260px;
  aspect-ratio: 1024 / 935;
  pointer-events: none;
  z-index: 1;
  display: block;
  transform-origin: bottom left;
  opacity: 0;
  animation: flowerLoadIn 1.5s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
  will-change: transform, opacity;
}

/* Layered Branch Components */
.flower-layer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  display: block;
}

.flower-base {
  z-index: 4;
  transform-origin: 20% 75%;
  animation: breatheFlowerBase 9.0s cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
  will-change: transform;
}

/* Dynamic Breezy Swinging on the Top Branch - Slow, silky-smooth motion */
.flower-top {
  z-index: 1;
  transform-origin: 22% 52%;
  animation: swingTopBranch 7.2s cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
  will-change: transform;
}

/* Dynamic Breezy Swinging on the Middle Long Branch - Slow, silky-smooth motion */
.flower-mid {
  z-index: 2;
  transform-origin: 41% 58%;
  animation: swingMidBranch 7.8s cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
  animation-delay: -2.4s;
  will-change: transform;
}

/* Dynamic Breezy Swinging on the Right Branch - Slow, silky-smooth motion */
.flower-right {
  z-index: 3;
  transform-origin: 44% 72%;
  animation: swingRightBranch 7.5s cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
  animation-delay: -4.0s;
  will-change: transform;
}

@keyframes swingTopBranch {
  0% {
    transform: rotate(-16.0deg) skewX(-2.0deg) scale(0.98);
  }

  100% {
    transform: rotate(14.0deg) skewX(2.0deg) scale(1.0);
  }
}

@keyframes swingMidBranch {
  0% {
    transform: rotate(-19.0deg) skewX(-2.5deg) scale(0.975);
  }

  100% {
    transform: rotate(17.0deg) skewX(2.5deg) scale(1.0);
  }
}

@keyframes swingRightBranch {
  0% {
    transform: rotate(-2.5deg) translateY(0px) scaleX(0.99);
  }

  100% {
    transform: rotate(4.5deg) translateY(3px) scaleX(1.0);
  }
}

@keyframes breatheFlowerBase {
  0% {
    transform: rotate(-1.0deg) scale(0.994);
  }

  100% {
    transform: rotate(1.0deg) scale(1.0);
  }
}

/* Top-Right Floral Corner Bouquet Container */
#top-corner-flower {
  position: absolute;
  top: -12px;
  right: 0px;
  margin: 0;
  padding: 0;
  width: 58%;
  max-width: 260px;
  aspect-ratio: 1024 / 935;
  pointer-events: none;
  z-index: 1;
  display: block;
  transform-origin: top right;
  opacity: 0;
  animation: flowerLoadInTop 1.5s cubic-bezier(0.22, 1, 0.36, 1) 0.1s forwards;
  will-change: transform, opacity;
}

/* Layered Branch Components for Top-Right Flower */
.top-flower-base {
  z-index: 4;
  transform-origin: 78% 24%;
  animation: breatheTopFlowerBase 9.0s cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
  animation-delay: -2.0s;
  will-change: transform;
}

/* Dynamic Breezy Swinging on the Top-Left Branch (trails horizontally along top border) */
.top-flower-left {
  z-index: 1;
  transform-origin: 61% 11%;
  animation: swingTopLeftBranch 7.5s cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
  will-change: transform;
}

/* Dynamic Breezy Swinging on the Middle Loop / Crystal Strands */
.top-flower-mid {
  z-index: 2;
  transform-origin: 56% 21%;
  animation: swingTopMidBranch 7.8s cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
  animation-delay: -2.4s;
  will-change: transform;
}

/* Dynamic Breezy Swinging on the Down Branch (trails vertically along right border) */
.top-flower-down {
  z-index: 3;
  transform-origin: 82% 51%;
  animation: swingTopDownBranch 7.2s cubic-bezier(0.37, 0, 0.63, 1) infinite alternate;
  animation-delay: -3.8s;
  will-change: transform;
}

@keyframes swingTopLeftBranch {
  0% {
    transform: rotate(-12.0deg) translateY(-3px) scale(0.985);
  }

  100% {
    transform: rotate(11.0deg) translateY(3px) scale(1.0);
  }
}

@keyframes swingTopMidBranch {
  0% {
    transform: rotate(-16.0deg) skewX(-2.5deg) scale(0.975);
  }

  100% {
    transform: rotate(15.0deg) skewX(2.5deg) scale(1.0);
  }
}

@keyframes swingTopDownBranch {
  0% {
    transform: rotate(-14.0deg) skewY(-2.0deg) scale(0.98);
  }

  100% {
    transform: rotate(13.0deg) skewY(2.0deg) scale(1.0);
  }
}

@keyframes breatheTopFlowerBase {
  0% {
    transform: rotate(-1.0deg) scale(0.994);
  }

  100% {
    transform: rotate(1.0deg) scale(1.0);
  }
}

@keyframes flowerLoadInTop {
  0% {
    opacity: 0;
    transform: scale(0.85) translate(4%, -4%);
  }

  100% {
    opacity: 1;
    transform: scale(1) translate(0, 0);
  }
}

@keyframes flowerLoadIn {
  0% {
    opacity: 0;
    transform: scale(0.85) translate(-4%, 4%);
  }

  100% {
    opacity: 1;
    transform: scale(1) translate(0, 0);
  }
}

/* Royal Wedding Invitation Section Under The Heart */
#wedding-invite-section {
  position: absolute;
  top: 61.8%;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: clamp(260px, 88%, 400px);
  max-width: 90%;
  z-index: 5;
  pointer-events: auto;
  opacity: 0;
  animation: nameBoxReveal 1.6s cubic-bezier(0.22, 1, 0.36, 1) 0.6s forwards;
  will-change: transform, opacity;
}

.wedding-invite-title {
  font-family: 'Moul', 'Taprom', 'Kantumruy Pro', cursive;
  font-size: clamp(14px, 3.8vw, 17px);
  font-weight: normal;
  text-align: center;
  line-height: 1.8;
  letter-spacing: 0.6px;
  margin: 0 0 6px 0;
  padding: 4px 0 0 0;
  white-space: nowrap;
  overflow: visible;
  background: linear-gradient(180deg, #a86c1e 0%, #8c5210 25%, #703c05 60%, #4a2402 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #703c05;
  filter: drop-shadow(1px 2px 2.5px rgba(50, 20, 5, 0.45));
  user-select: none;
}

#wedding-name-box {
  width: 100%;
  aspect-ratio: 596 / 66;
  position: relative;
  cursor: default;
  user-select: none;
}

.name-box-frame {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 5px 12px rgba(45, 12, 18, 0.20));
}

.name-box-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: fill;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.name-box-content {
  position: absolute;
  top: 3%;
  bottom: 5%;
  left: 21%;
  right: 21%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 0 2px;
}

.name-box-input {
  width: 100%;
  max-height: 100%;
  text-align: center;
  font-family: 'Moul', 'Taprom', 'Kantumruy Pro', cursive;
  font-size: 13.5px;
  font-weight: normal;
  color: #461f04;
  line-height: 1.35;
  letter-spacing: 0.15px;
  outline: none;
  border: none;
  background: transparent;
  word-break: break-word;
  white-space: nowrap;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.85), 0 0 1px rgba(180, 110, 30, 0.2);
  cursor: default;
  user-select: none;
  -webkit-user-select: none;
}

/* Wedding Event Details: Date & Venue Rows */
.wedding-event-details {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  margin-top: 8px;
  width: 100%;
}

.event-detail-row {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  white-space: nowrap;
}

.event-icon {
  width: 14px;
  height: 14px;
  color: #8c5210;
  flex-shrink: 0;
  filter: drop-shadow(0 1px 1px rgba(70, 30, 5, 0.35));
}

.event-text {
  font-family: 'Kantumruy Pro', 'Taprom', cursive, sans-serif;
  font-size: clamp(11.5px, 3.0vw, 13.5px);
  font-weight: 600;
  color: #4a2107;
  letter-spacing: 0.2px;
  line-height: 1.35;
  text-shadow: 0 1px 1px rgba(255, 255, 255, 0.85), 0 0 1px rgba(180, 110, 30, 0.2);
  user-select: none;
}

/* Royal Wedding Open Invitation Button */
.open-invitation-btn {
  margin-top: 45px;
  padding: 7px 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(180deg, #fffdf8 0%, #f6ecd8 100%);
  border: 1.5px solid #c89848;
  border-radius: 999px;
  box-shadow:
    0 4px 14px rgba(70, 25, 10, 0.16),
    0 1px 3px rgba(60, 20, 10, 0.10),
    inset 0 1px 0 rgba(255, 255, 255, 0.95),
    inset 0 -1px 0 rgba(200, 150, 70, 0.25);
  cursor: pointer;
  pointer-events: auto;
  animation: buttonPulse 2.6s ease-in-out infinite;
  will-change: transform;
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  transform-style: preserve-3d;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  user-select: none;
  -webkit-user-select: none;
  text-decoration: none;
  outline: none;
}

.open-invitation-btn:hover {
  transform: translate3d(0, -2px, 0) scale(1.06);
  border-color: #dfad52;
  box-shadow:
    0 8px 22px rgba(180, 100, 25, 0.30),
    0 2px 5px rgba(60, 20, 10, 0.12),
    inset 0 1px 0 rgba(255, 255, 255, 1.0);
  animation-play-state: paused;
}

.open-invitation-btn:active {
  transform: translate3d(0, 0, 0) scale(0.96);
  box-shadow:
    0 2px 8px rgba(60, 20, 10, 0.20),
    inset 0 1px 2px rgba(60, 20, 10, 0.15);
}

@keyframes buttonPulse {

  0%,
  100% {
    transform: translate3d(0, 0, 0) scale(0.97);
  }

  50% {
    transform: translate3d(0, 0, 0) scale(1.045);
  }
}

.open-invitation-btn .btn-text {
  display: inline-block;
  font-family: 'Moul', 'Taprom', 'Kantumruy Pro', cursive;
  font-size: 13.5px;
  font-weight: normal;
  text-align: center;
  line-height: 1.8;
  letter-spacing: 0.6px;
  white-space: nowrap;
  background: linear-gradient(180deg, #a86c1e 0%, #8c5210 25%, #703c05 60%, #4a2402 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: #703c05;
  filter: drop-shadow(1px 2px 2px rgba(50, 20, 5, 0.35));
  transform: translateZ(0);
  -webkit-transform: translateZ(0);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  text-rendering: geometricPrecision;
  -webkit-font-smoothing: antialiased;
}

@keyframes nameBoxReveal {
  0% {
    opacity: 0;
    transform: translate(-50%, 14px) scale(0.95);
  }

  100% {
    opacity: 1;
    transform: translate(-50%, 0) scale(1);
  }
}

/* Responsive scaling for various viewport heights */
@media (max-height: 760px) {
  #wedding-header {
    top: 11.5%;
  }

  #wedding-invite-section {
    top: 61.5%;
    width: clamp(240px, 84%, 360px);
  }

  .wedding-invite-title {
    font-size: clamp(13px, 3.5vw, 15px);
    margin-bottom: 4px;
  }

  .open-invitation-btn {
    margin-top: 36px;
    padding: 6px 16px;
  }
}

@media (max-height: 640px) {
  #wedding-header {
    top: 10%;
  }

  #wedding-invite-section {
    top: 60%;
    width: clamp(210px, 78%, 310px);
  }

  .wedding-invite-title {
    font-size: clamp(12px, 3.2vw, 14px);
    margin-bottom: 3px;
  }

  .open-invitation-btn {
    margin-top: 28px;
    padding: 5px 14px;
  }
}

/* Narrow mobile */
@media (max-width: 360px) {
  #wedding-invite-section {
    width: clamp(200px, 90%, 290px);
  }

  .name-box-input {
    font-size: 12.2px;
  }
}

/* On Desktop / Laptop: Display as a luxury royal invitation phone card */
@media (min-width: 481px) {
  #canvas-container {
    max-height: min(920px, 96vh);
    border-radius: 36px;
    box-shadow:
      0 30px 80px rgba(10, 2, 4, 0.50),
      0 10px 25px rgba(10, 2, 4, 0.35),
      0 0 0 1px rgba(220, 180, 120, 0.45);
  }

  /* Refined proportions on laptop/desktop: balanced, not oversized */
  .name-box-content {
    left: 23%;
    right: 23%;
  }

  .name-box-input {
    font-size: 18px;
  }
}

/* On Native Mobile Devices: Edge-to-edge full-bleed display */
@media (max-width: 480px) {

  html,
  body {
    background: none;
    background-color: #f7efe6;
  }

  #canvas-container {
    max-width: 100%;
    height: 100%;
    max-height: 100%;
    border-radius: 0;
    box-shadow: none;
  }

  /* Clean and balanced size on mobile phones matching the laptop look */
  .name-box-content {
    left: 21%;
    right: 21%;
  }

  .name-box-input {
    font-size: 12.8px;
    letter-spacing: 0.15px;
  }
}

/* ==========================================================================
   E-Invitation Video Experience Overlay
   ========================================================================== */
.invitation-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 80;
  background-color: #000;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.5s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.5s;
  overflow: hidden;
}

.invitation-overlay.active {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.invitation-media-container {
  position: relative;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #000;
}

.invitation-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  user-select: none;
  -webkit-user-drag: none;
}