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

:root {
  --day-glow-rgb: 100, 35, 65;
}

html {
  font-size: 18px;
}

body {
  margin: 0;
  min-height: 100vh;
  color: #fceef2;
  font-family: "Cormorant Garamond", Georgia, serif;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  position: relative;
  overflow-x: hidden;
}

/* Loader */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: #0a0510;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s ease, visibility 0.6s;
}

body.loaded .loader {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-heart {
  font-size: 2rem;
  color: rgba(232, 180, 188, 0.9);
  animation: loaderPulse 1.2s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.15); }
}

@media (prefers-reduced-motion: reduce) {
  .loader-heart {
    animation: none;
  }
}

/* Content wrapper – single centered column; entrance hidden until loaded */
.content {
  display: flex;
  flex-direction: column;
  align-items: center;
  max-width: 34rem;
  width: 100%;
  margin: 0 auto;
  position: relative;
  z-index: 2;
  opacity: 0;
  transform: scale(0.96);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

body.loaded .content {
  opacity: 1;
  transform: scale(1);
}

/* World background – deep night garden with soft rose glow */
.world-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse 120% 90% at 50% 10%, rgba(var(--day-glow-rgb), 0.5) 0%, transparent 45%),
    radial-gradient(ellipse 90% 100% at 85% 85%, rgba(80, 25, 50, 0.25) 0%, transparent 45%),
    radial-gradient(ellipse 90% 100% at 15% 90%, rgba(70, 20, 45, 0.2) 0%, transparent 45%),
    linear-gradient(165deg, #0a0510 0%, #150a18 18%, #1e0d1c 35%, #2a1225 55%, #1a0c18 75%, #0d0610 100%);
}

.world-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 100% 80% at 50% 30%, rgba(120, 40, 70, 0.45) 0%, transparent 50%);
  animation: bgPulse 18s ease-in-out infinite;
  pointer-events: none;
}

@keyframes bgPulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.5; }
}

@media (prefers-reduced-motion: reduce) {
  .world-bg::before {
    animation: none;
    opacity: 0.45;
  }
}

.world-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 50% at 50% 50%, transparent 40%, rgba(0, 0, 0, 0.25) 100%);
  pointer-events: none;
}

/* Starfield */
.starfield {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
  contain: layout paint;
}

.star {
  position: absolute;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 3px rgba(255, 255, 255, 0.4);
  animation: twinkle 3s ease-in-out infinite;
  will-change: transform, opacity;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.3; transform: scale(1); }
  50% { opacity: 0.75; transform: scale(1.15); }
}

/* Floating emojis – premium: subtle, no strong glow */
.float-emojis {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
  contain: layout paint;
}

.float-emoji {
  position: absolute;
  left: 50%;
  bottom: -5%;
  font-size: 1.2rem;
  opacity: 0.45;
  animation: rise 24s linear infinite;
  animation-delay: 0s;
  filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.2));
  will-change: transform, opacity;
}

@keyframes rise {
  0% {
    transform: translateY(0) translateX(0) rotate(0deg);
    opacity: 0.45;
  }
  15% {
    opacity: 0.5;
  }
  85% {
    opacity: 0.4;
  }
  100% {
    transform: translateY(-120vh) translateX(var(--drift, 0px)) rotate(10deg);
    opacity: 0.15;
  }
}

@media (prefers-reduced-motion: reduce) {
  .float-emoji {
    animation: none;
    opacity: 0.4;
    bottom: 20%;
  }
  .star {
    animation: none;
  }
}

/* Floating names – Aman, Moni in typography */
.float-names {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
  contain: layout paint;
}

.float-name {
  position: absolute;
  left: 50%;
  bottom: -10%;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.5rem;
  font-weight: 600;
  font-style: italic;
  letter-spacing: 0.12em;
  color: rgba(255, 240, 248, 0.38);
  animation: riseName 32s linear infinite;
  animation-delay: 0s;
  white-space: nowrap;
  will-change: transform;
}

.float-name.to-name {
  color: rgba(255, 220, 235, 0.4);
  letter-spacing: 0.15em;
}

@keyframes riseName {
  0% {
    transform: translate(-50%, 0) translateY(0) translateX(0) rotate(0deg);
    opacity: 0.35;
  }
  20% {
    opacity: 0.45;
  }
  80% {
    opacity: 0.4;
  }
  100% {
    transform: translate(-50%, 0) translateY(-130vh) translateX(var(--drift, 0px)) rotate(-5deg);
    opacity: 0.12;
  }
}

@media (prefers-reduced-motion: reduce) {
  .float-name {
    animation: none;
    opacity: 0.3;
    bottom: 15%;
  }
}

/* I love you toast – one-time on photo click, positioned near photo */
.toast {
  position: fixed;
  transform: translate(-50%, 0) translateY(1rem);
  padding: 0.75rem 1.5rem;
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 600;
  font-style: italic;
  color: rgba(255, 248, 252, 0.95);
  background: rgba(180, 80, 100, 0.9);
  border-radius: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  z-index: 10;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s ease;
}

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

/* Music + heart float layer */
.music-hearts-float {
  position: fixed;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  contain: layout paint;
}

.music-hearts-float .music-emoji,
.music-hearts-float .heart-emoji {
  pointer-events: auto;
  position: absolute;
  width: 2.5rem;
  height: 2.5rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  font-size: 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: translate(-50%, -50%);
  transition: left 0.4s ease, top 0.4s ease, transform 0.2s, background 0.2s, box-shadow 0.2s;
}

.music-hearts-float .music-emoji {
  z-index: 2;
  color: #fff;
}

.music-hearts-float .heart-emoji {
  z-index: 1;
}

.music-hearts-float .music-emoji:hover,
.music-hearts-float .heart-emoji:hover {
  background: rgba(255, 255, 255, 0.14);
  transform: translate(-50%, -50%) scale(1.1);
}

.music-hearts-float .music-emoji.playing {
  background: rgba(255, 220, 235, 0.2);
  box-shadow: 0 0 16px rgba(232, 180, 188, 0.4);
}

/* Heart burst – party popper style */
.heart-burst-wrap {
  position: fixed;
  z-index: 5;
  pointer-events: none;
  overflow: visible;
}

.heart-burst-particle {
  position: absolute;
  left: 0;
  top: 0;
  width: 14px;
  height: 14px;
  font-size: 14px;
  line-height: 1;
  text-align: center;
  animation: heartBurst 2.4s ease-out forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes heartBurst {
  0% {
    transform: translate(0, 0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate(var(--tx), var(--ty)) rotate(var(--rot));
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .heart-burst-particle {
    animation: none;
    opacity: 0;
  }
}

/* Main – layout: mobile stacked, desktop left photo+day / right video */
.main {
  width: 100%;
  position: relative;
  z-index: 2;
  padding: 1.25rem 1rem;
}

.main-layout {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  align-items: center;
  max-width: 56rem;
  margin: 0 auto;
}

.main-left {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  text-align: center;
}

.main-right {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: flex-start;
  gap: 1rem;
}

.day-meta {
  font-size: 0.85rem;
  color: rgba(255, 220, 235, 0.7);
  margin: 0;
}

.day-label {
  font-size: 1.05rem;
  font-weight: 600;
  color: #c87888;
  margin: 0;
  letter-spacing: 0.03em;
  text-shadow:
    0 0 12px rgba(200, 120, 136, 0.9),
    0 0 28px rgba(200, 120, 136, 0.7),
    0 0 50px rgba(200, 120, 136, 0.5);
  filter: drop-shadow(0 0 8px rgba(200, 120, 136, 0.9)) drop-shadow(0 0 25px rgba(200, 120, 136, 0.7));
  white-space: nowrap;
  animation: dayLabelGlow 2.5s ease-in-out infinite;
}

@keyframes dayLabelGlow {
  0%, 100% {
    text-shadow: 0 0 14px rgba(200, 120, 136, 0.75), 0 0 32px rgba(200, 120, 136, 0.55), 0 0 60px rgba(200, 120, 136, 0.4);
  }
  50% {
    text-shadow: 0 0 22px rgba(200, 120, 136, 0.95), 0 0 45px rgba(200, 120, 136, 0.7), 0 0 75px rgba(200, 120, 136, 0.5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .day-label {
    animation: none;
  }
}

.video-wrap {
  margin: 0;
  max-width: 320px;
  aspect-ratio: 9 / 16;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
}

#ytPlayer {
  width: 100%;
  height: 100%;
  min-height: 0;
}

.video-wrap iframe {
  width: 100% !important;
  height: 100% !important;
  border: 0;
  border-radius: 12px;
}

.video-placeholder {
  font-family: "Cormorant Garamond", Georgia, serif;
  font-size: 1.25rem;
  line-height: 1.6;
  color: rgba(255, 248, 250, 0.95);
  margin: 0;
  max-width: 28rem;
  text-align: center;
  display: none;
}

.nav {
  margin: 0;
}

.link-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  font-size: 1.6rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  transition: color 0.2s, transform 0.2s;
}

.link-nav:hover {
  color: #f0c8d0;
  transform: scale(1.08);
}

.nav-sep {
  display: inline-block;
  width: 0.5rem;
}

.link-yesterday:hover,
.link-tomorrow:hover {
  text-decoration: none;
}

/* Photo */
.photo-wrap {
  margin: 0;
  z-index: 2;
  text-align: center;
  cursor: pointer;
}

.photo-wrap .photo {
  width: 5.5rem;
  height: 5.5rem;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid #c87888;
  box-shadow: 0 0 20px rgba(200, 120, 136, 0.5), 0 0 40px rgba(200, 120, 136, 0.3), 0 4px 20px rgba(0, 0, 0, 0.25);
  animation: photoGlow 2.5s ease-in-out infinite;
}

@keyframes photoGlow {
  0%, 100% {
    box-shadow: 0 0 18px rgba(200, 120, 136, 0.45), 0 0 35px rgba(200, 120, 136, 0.25), 0 4px 20px rgba(0, 0, 0, 0.25);
  }
  50% {
    box-shadow: 0 0 28px rgba(200, 120, 136, 0.65), 0 0 50px rgba(200, 120, 136, 0.4), 0 4px 20px rgba(0, 0, 0, 0.25);
  }
}

@media (prefers-reduced-motion: reduce) {
  .photo-wrap .photo {
    animation: none;
  }
}

/* Confetti */
.confetti-wrap {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  overflow: hidden;
}

.confetti-particle {
  position: absolute;
  left: 50%;
  bottom: 30%;
  width: 10px;
  height: 10px;
  font-size: 10px;
  line-height: 1;
  text-align: center;
  animation: confettiBurst 2.5s ease-out forwards;
  animation-delay: var(--delay, 0s);
}

@keyframes confettiBurst {
  0% {
    transform: translate(-50%, 0) translate(0, 0) rotate(0deg);
    opacity: 1;
  }
  100% {
    transform: translate(-50%, 0) translate(var(--tx), var(--ty)) rotate(var(--rot));
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .confetti-particle {
    animation: none;
    opacity: 0;
  }
}

@media (min-width: 768px) {
  .main {
    padding: 2.5rem 2rem;
  }
  .main-layout {
    flex-direction: row;
    align-items: center;
    justify-content: center;
    gap: 20rem;
    max-width: 100%;
  }
  .main-left {
    flex: 1;
    min-width: 0;
    max-width: 50%;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
  }
  .main-left .day-meta {
    font-size: 1.1rem;
  }
  .main-left .day-label {
    font-size: 1.75rem;
  }
  .main-right {
    flex: 0 0 auto;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
  }
  .main-right .video-wrap {
    margin-top: 0;
  }
  .main-left .photo-wrap .photo {
    width: 16rem;
    height: 16rem;
  }
  .video-wrap {
    max-width: 320px;
  }
}

@media (min-width: 480px) and (max-width: 767px) {
  .main {
    padding: 2rem 1.25rem;
  }
  .main-layout {
    gap: 1.75rem;
  }
  .photo-wrap .photo {
    width: 6.5rem;
    height: 6.5rem;
  }
  .video-wrap {
    max-width: 360px;
  }
}

/* Vertical/mobile: no top or bottom space */
@media (max-width: 767px) {
  body {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }
  .main {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
  }
}