/* Base reset & typography */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html,
body {
  height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: radial-gradient(circle at top left, #ffd1dc 0, #fff0f5 35%, #ffffff 70%);
  color: #2b181a;
  -webkit-font-smoothing: antialiased;
}

.app {
  min-height: 100vh;
  min-height: calc(100vh - env(safe-area-inset-bottom, 0px));
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 16px;
  padding-left: max(16px, env(safe-area-inset-left));
  padding-right: max(16px, env(safe-area-inset-right));
}

/* Screens */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 320ms ease, transform 320ms ease;
}

.screen--active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.screen--hidden {
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
}

body.yes-mode .app {
  overflow: hidden;
  align-items: flex-start;
  padding-bottom: 0;
}

/* Cards */
.card {
  background: rgba(255, 255, 255, 0.92);
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(215, 104, 130, 0.25);
  padding: 32px 32px 28px;
  max-width: 560px;
  width: 100%;
  backdrop-filter: blur(18px);
}

.card--landing {
  text-align: center;
}

.card--letter {
  max-width: 640px;
}

.card--photos {
  max-width: 420px;
}

.title {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-size: clamp(2.2rem, 4vw, 2.8rem);
  margin-bottom: 12px;
  color: #b2214c;
}

.subtitle {
  font-size: 0.98rem;
  color: #6b3a44;
  margin-bottom: 24px;
}

/* Buttons */
.buttons {
  display: inline-flex;
  gap: 16px;
  align-items: center;
  justify-content: center;
  position: relative;
  min-height: 56px;
}

.btn {
  border-radius: 999px;
  border: none;
  padding: 10px 28px;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 140ms ease, box-shadow 140ms ease, background-color 160ms ease,
    color 160ms ease, opacity 160ms ease;
  font-weight: 600;
  outline: none;
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 2px solid #ff6b9c;
  outline-offset: 2px;
}

.btn--primary {
  background: linear-gradient(135deg, #ff4b8b, #ff7ba5);
  color: #ffffff;
  box-shadow: 0 10px 24px rgba(255, 83, 140, 0.45);
}

.btn--primary:hover {
  transform: translateY(-1px) scale(1.03);
  box-shadow: 0 14px 32px rgba(255, 83, 140, 0.55);
}

.btn--primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 6px 18px rgba(255, 83, 140, 0.4);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.8);
  color: #b2214c;
  border: 1px solid rgba(178, 33, 76, 0.2);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 1);
  transform: translateY(-1px);
}

.btn--ghost:active {
  transform: translateY(0);
}

/* When JS starts moving the No button */
.btn--no-moving {
  /* Fixed so coordinates are relative to the viewport
     and the button can roam the whole screen */
  position: fixed;
  z-index: 6;
  /* Slightly longer duration + smoother easing for very smooth gliding */
  transition:
    left 260ms cubic-bezier(0.25, 0.8, 0.25, 1),
    top 260ms cubic-bezier(0.25, 0.8, 0.25, 1),
    transform 160ms ease-out;
}

/* Yes screen: content wrapper (header + letter/photos) – explicit height so flex child gets space */
.yes-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
  max-width: 1120px;
  height: calc(100vh - 2rem);
  max-height: calc(100vh - 2rem);
  padding: 2.5rem 16px 1.25rem;
  position: relative;
  z-index: 1;
  overflow: hidden;
}

/* Yes header: Naqiyah with flowers draping over */
.yes-header {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-bottom: 0.5rem;
  min-height: 80px;
}

.yes-header-name {
  font-family: "Great Vibes", cursive;
  font-size: clamp(3.2rem, 8vw, 5rem);
  font-weight: 400;
  color: #a61a3a;
  margin: 0;
  letter-spacing: 0.02em;
  text-shadow: 0 2px 20px rgba(166, 26, 58, 0.2);
  position: relative;
  z-index: 1;
}

.yes-header-flowers {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 4px;
  pointer-events: none;
  z-index: 2;
}

.yes-header-flowers--left {
  left: 50%;
  transform: translate(calc(-50% - 120px), -50%);
}

.yes-header-flowers--right {
  right: 50%;
  transform: translate(calc(50% + 120px), -50%);
}

.yes-header-flowers .flower {
  width: 36px;
  height: 36px;
  opacity: 0.92;
}

.yes-header-flowers .flower-1 { width: 44px; height: 44px; transform: rotate(-12deg); }
.yes-header-flowers .flower-2 { width: 32px; height: 32px; transform: rotate(8deg); }
.yes-header-flowers .flower-3 { width: 28px; height: 28px; transform: rotate(-5deg); }

.yes-header-flowers--right .flower-1 { transform: rotate(12deg) scaleX(-1); }
.yes-header-flowers--right .flower-2 { transform: rotate(-8deg) scaleX(-1); }
.yes-header-flowers--right .flower-3 { transform: rotate(5deg) scaleX(-1); }

@media (max-width: 640px) {
  .yes-header-flowers--left { transform: translate(calc(-50% - 70px), -50%); }
  .yes-header-flowers--right { transform: translate(calc(50% + 70px), -50%); }
  .yes-header-flowers .flower { width: 28px; height: 28px; }
  .yes-header-flowers .flower-1 { width: 34px; height: 34px; }
  .yes-header-flowers .flower-2 { width: 26px; height: 26px; }
  .yes-header-flowers .flower-3 { width: 22px; height: 22px; }
}

/* Yes screen layout – both cards same height, share available space */
.yes-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  gap: 20px;
  width: 100%;
  max-width: 1120px;
  align-items: stretch;
  flex: 1 1 0;
  min-height: 0;
}

.yes-layout .card {
  padding: 1.35rem 1.5rem;
  min-height: 0;
}

.letter-body {
  margin-top: 10px;
  font-size: 0.98rem;
  line-height: 1.7;
  color: #4e2730;
  white-space: pre-wrap;
  min-height: 0;
  overflow-y: auto;
  flex: 1 1 auto;
  -webkit-overflow-scrolling: touch;
}

.photos-title {
  font-size: 1rem;
  margin-bottom: 16px;
  color: #7a3c4a;
}

.photos-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 10px;
}

.photo-card {
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
  position: relative;
}

.photo-card img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
  transition: transform 200ms ease;
}

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

.photo-caption {
  font-size: 0.78rem;
  padding: 8px 10px 10px;
  color: #6b3a44;
}

/* Background floating hearts */
.background-hearts {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: -1;
}

.background-hearts::before,
.background-hearts::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 157, 191, 0.8), transparent 70%);
  filter: blur(2px);
  opacity: 0.7;
  animation: floatHeart 18s linear infinite;
}

.background-hearts::before {
  top: -80px;
  left: -60px;
}

.background-hearts::after {
  bottom: -100px;
  right: -40px;
  animation-delay: 4s;
}

.background-hearts--subtle::before,
.background-hearts--subtle::after {
  opacity: 0.45;
}

@keyframes floatHeart {
  0% {
    transform: translate3d(0, 0, 0) scale(1);
  }
  50% {
    transform: translate3d(12px, -18px, 0) scale(1.05);
  }
  100% {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

/* Confetti hearts (on Yes click) */
.heart-confetti {
  position: fixed;
  width: 18px;
  height: 18px;
  pointer-events: none;
  transform: translate3d(-50%, -50%, 0);
  animation: heartBurst 1.8s ease-out forwards;
}

.heart-confetti::before,
.heart-confetti::after {
  content: "";
  position: absolute;
  width: 50%;
  height: 80%;
  background: #ff4b8b;
  border-radius: 50px 50px 0 0;
}

.heart-confetti::before {
  left: 50%;
  transform: translateX(-50%) rotate(-45deg);
  transform-origin: 0 100%;
}

.heart-confetti::after {
  right: 50%;
  transform: translateX(50%) rotate(45deg);
  transform-origin: 100% 100%;
}

@keyframes heartBurst {
  0% {
    opacity: 1;
    transform: translate3d(-50%, -50%, 0) scale(0.2);
  }
  50% {
    opacity: 1;
    transform: translate3d(-50%, -180%, 0) scale(1);
  }
  100% {
    opacity: 0;
    transform: translate3d(-50%, -260%, 0) scale(0.9);
  }
}

/* Responsive tweaks */
@media (max-width: 900px) {
  .yes-layout {
    grid-template-columns: minmax(0, 1fr);
    max-width: 680px;
  }

  .card--letter,
  .card--photos {
    max-width: unset;
  }
}

@media (max-width: 600px) {
  .card {
    padding: 24px 20px 20px;
    border-radius: 20px;
  }

  .buttons {
    flex-direction: column;
    gap: 12px;
    min-height: 90px;
  }

  .btn {
    width: 100%;
    min-height: 48px;
    padding: 14px 24px;
    justify-content: center;
  }
}

/* Small funny mascot in corner */
.corner-mascot {
  position: fixed;
  bottom: max(12px, env(safe-area-inset-bottom));
  right: max(12px, env(safe-area-inset-right));
  width: 72px;
  height: auto;
  z-index: 4;
  pointer-events: none;
  object-fit: contain;
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

:root {
  --bg-gradient: radial-gradient(circle at top left, #ffafbd 0%, #ffc3a0 30%, #ffdde1 60%, #ffd1ff 100%);
  --bg-gradient-dark: radial-gradient(circle at top left, #ff758c 0%, #ff7eb3 40%, #ffb199 80%);
  --card-bg: rgba(255, 255, 255, 0.9);
  --card-bg-yes: rgba(255, 255, 255, 0.96);
  --text-main: #2b1b2f;
  --accent: #ff4b6e;
  --accent-soft: #ff8ba3;
  --accent-dark: #d32950;
  --shadow-soft: 0 22px 45px rgba(0, 0, 0, 0.16);
  --radius-lg: 28px;
  --radius-md: 18px;
  --transition-fast: 150ms ease-out;
  --transition-med: 260ms ease;
}

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

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: var(--text-main);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  background-size: cover;
  display: flex;
  align-items: stretch;
  justify-content: center;
}

.app {
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 1.5rem;
}

.screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition:
    opacity var(--transition-med),
    transform var(--transition-med);
}

.screen--active {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.screen--hidden {
  opacity: 0;
  pointer-events: none;
}

.card {
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 2.5rem 3rem;
  max-width: 640px;
  width: 100%;
  text-align: center;
  backdrop-filter: blur(22px);
}

.card--landing {
  z-index: 2;
}

.card--letter,
.card--photos {
  background: var(--card-bg-yes);
  text-align: left;
}

.title {
  font-family: "Playfair Display", "Times New Roman", serif;
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  margin: 0 0 0.75rem;
  letter-spacing: 0.03em;
}

.subtitle {
  margin: 0 0 2rem;
  font-size: 1rem;
  opacity: 0.8;
}

.buttons {
  display: flex;
  justify-content: center;
  gap: 1.1rem;
  margin-top: 1rem;
  position: relative;
}

.btn {
  position: relative;
  border-radius: 999px;
  border: none;
  padding: 0.85rem 1.8rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    transform var(--transition-fast),
    box-shadow var(--transition-fast),
    background-color var(--transition-fast),
    color var(--transition-fast);
  will-change: transform;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-soft));
  color: #fff;
  box-shadow: 0 14px 30px rgba(255, 75, 110, 0.4);
}

.btn--primary:hover {
  transform: translateY(-2px) scale(1.04);
  box-shadow: 0 18px 38px rgba(255, 75, 110, 0.45);
}

.btn--primary:active {
  transform: translateY(0) scale(0.98);
  box-shadow: 0 10px 24px rgba(255, 75, 110, 0.35);
}

.btn--ghost {
  background: rgba(255, 255, 255, 0.7);
  color: var(--accent-dark);
  border: 1px solid rgba(255, 75, 110, 0.25);
}

.btn--ghost:hover {
  transform: translateY(-1px);
  background: rgba(255, 255, 255, 0.9);
}

.background-hearts {
  position: absolute;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.background-hearts::before,
.background-hearts::after {
  content: "";
  position: absolute;
  width: 220%;
  height: 220%;
  top: -60%;
  left: -60%;
  background-image: radial-gradient(
      circle at 10% 20%,
      rgba(255, 255, 255, 0.22) 0,
      transparent 50%
    ),
    radial-gradient(
      circle at 80% 0%,
      rgba(255, 255, 255, 0.16) 0,
      transparent 55%
    ),
    radial-gradient(
      circle at 30% 80%,
      rgba(255, 255, 255, 0.18) 0,
      transparent 60%
    );
  opacity: 0.6;
  animation: floatBackground 26s linear infinite alternate;
}

.background-hearts::after {
  animation-duration: 34s;
  animation-direction: alternate-reverse;
}

.background-hearts--subtle::before,
.background-hearts--subtle::after {
  opacity: 0.35;
}

@keyframes floatBackground {
  from {
    transform: translate3d(0, 0, 0) scale(1);
  }
  to {
    transform: translate3d(4%, -4%, 0) scale(1.04);
  }
}

.yes-layout {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(0, 1.4fr);
  gap: 1.75rem;
  align-items: stretch;
  max-width: 1040px;
  width: 100%;
  z-index: 1;
  flex: 1 1 0;
  min-height: 0;
}

.card--letter {
  max-height: none;
  overflow: visible;
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.card--letter h2 {
  margin-top: 0;
  font-family: "Playfair Display", "Times New Roman", serif;
  font-size: clamp(1.7rem, 3vw, 2.2rem);
  flex-shrink: 0;
}

.letter-body {
  margin-top: 0.75rem;
  font-size: 0.95rem;
  line-height: 1.6;
  min-height: 0;
  overflow-y: auto;
  padding-right: 0.5rem;
  flex: 1 1 auto;
  -webkit-overflow-scrolling: touch;
}

.letter-paragraph {
  margin: 0 0 1rem;
}

.photos-title {
  margin-top: 0;
  margin-bottom: 1rem;
  font-size: 1.05rem;
}

.card--photos {
  display: flex;
  flex-direction: column;
  min-height: 0;
}

.card--photos .photos-title {
  flex-shrink: 0;
}

.photos-container {
  flex: 1;
  min-height: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 0.6rem;
}

.photo-tile {
  display: flex;
  flex-direction: column;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fbe9ef;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.08);
  transform-origin: center;
  transition:
    transform 160ms ease-out,
    box-shadow 160ms ease-out;
}

.photo-tile:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 30px rgba(0, 0, 0, 0.15);
}

.photo-tile img {
  width: 100%;
  aspect-ratio: 1;
  min-height: 140px;
  display: block;
  object-fit: cover;
}

.photo-caption {
  padding: 0.5rem 0.6rem 0.6rem;
  font-size: 0.78rem;
  line-height: 1.3;
  color: #4e2730;
  background: rgba(255, 255, 255, 0.95);
  flex-shrink: 0;
}

@media (max-width: 900px) {
  .yes-layout {
    grid-template-columns: minmax(0, 1fr);
    max-width: 640px;
  }
}

@media (max-width: 720px) {
  body {
    align-items: flex-start;
  }

  .app {
    padding: 1rem max(1rem, env(safe-area-inset-left)) max(1rem, env(safe-area-inset-right));
  }

  .card {
    padding: 1.5rem 1.25rem 1.75rem;
  }

  .buttons {
    flex-direction: column;
  }

  .btn {
    width: 100%;
    min-height: 48px;
    padding: 14px 24px;
  }

  .card--letter,
  .card--photos {
    max-height: none;
  }

  .letter-body {
    max-height: none;
    overflow: visible;
  }

  /* Yes screen: do not scroll the app; keep header fixed and scroll only letter+photos */
  body.yes-mode .app {
    overflow: hidden;
    align-items: flex-start;
    padding-bottom: 0;
  }

  .yes-content {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: calc(100vh - 2rem);
    height: calc(100dvh - 2rem);
    max-height: calc(100vh - 2rem);
    overflow: hidden;
    padding: max(1.5rem, env(safe-area-inset-top)) max(20px, env(safe-area-inset-left)) 1rem max(20px, env(safe-area-inset-right));
    padding-bottom: max(2rem, env(safe-area-inset-bottom));
  }

  .yes-header-name {
    font-size: clamp(2.5rem, 12vw, 3.5rem);
  }

  .yes-header {
    flex: 0 0 auto;
    min-height: 64px;
    margin-bottom: 0.75rem;
    padding-bottom: 0.25rem;
  }

  /* Scroll only the letter + photos block so header always stays visible */
  .yes-layout {
    display: flex;
    flex-direction: column;
    flex: 1 1 0;
    min-height: 0;
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    gap: 1.5rem;
    grid-template-columns: unset;
  }

  .yes-layout .card {
    flex: 0 0 auto;
    padding: 1.5rem 1.25rem;
    min-height: 0;
  }

  .card--letter {
    display: block;
  }

  .card--photos {
    display: block;
  }

  .letter-body {
    font-size: 1rem;
    line-height: 1.65;
    margin-top: 0.5rem;
    max-width: 36em;
    overflow: visible;
    max-height: none;
  }

  .card--letter h2,
  .photos-title {
    margin-bottom: 0.75rem;
  }

  .photos-container {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .photo-tile {
    border-radius: 14px;
  }

  .photo-tile img {
    min-height: 120px;
  }

  .photo-caption {
    font-size: 0.8rem;
    line-height: 1.25;
    padding: 0.5rem 0.55rem 0.55rem;
    color: #4e2730;
    background: rgba(255, 255, 255, 0.98);
  }

  /* Corner mascot: smaller and fully on-screen on mobile */
  .corner-mascot {
    width: 48px;
    bottom: max(8px, env(safe-area-inset-bottom));
    right: max(8px, env(safe-area-inset-right));
  }
}

@media (max-width: 400px) {
  .title {
    font-size: 1.75rem;
  }

  .yes-header-name {
    font-size: 2.25rem;
  }

  .yes-content {
    padding-left: max(16px, env(safe-area-inset-left));
    padding-right: max(16px, env(safe-area-inset-right));
  }

  .yes-layout .card {
    padding: 1.2rem 1rem;
  }

  .photos-container {
    gap: 0.5rem;
  }

  .photo-tile img {
    min-height: 100px;
  }

  .photo-caption {
    font-size: 0.75rem;
    padding: 0.45rem 0.5rem 0.5rem;
  }

  .corner-mascot {
    width: 40px;
    bottom: max(6px, env(safe-area-inset-bottom));
    right: max(6px, env(safe-area-inset-right));
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition: none !important;
  }
}