@charset "UTF-8";
/* ═══════════════════════════════════════════
   THIỆP CƯỚI — NHƯ LOAN ❤️ VĂN HẢO
   Design Tokens & Reset
   ═══════════════════════════════════════════ */
:root {
  --wine: #c77d8f;
  --wine-dark: #a25568;
  --wine-light: rgba(199, 125, 143, 0.5);
  --gold: #e8a87c;
  --gold-light: rgba(232, 168, 124, 0.18);
  --paper: #fff5f7;
  --ivory: #fffafc;
  --ink: #3d2c33;
  --muted: #8a7680;
  --line: rgba(61, 44, 51, 0.12);
  --shadow: 0 20px 60px rgba(162, 85, 104, 0.15);
  --ease: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(90deg, rgba(199,125,143,0.06), transparent 34%, transparent 66%, rgba(199,125,143,0.06)),
    #faf0f2;
  font-family: "Quicksand", "Quicksand", sans-serif;
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body.gate-open { overflow: auto; }
body:not(.gate-open) { overflow: hidden; }

img { display: block; max-width: 100%; height: auto; }
button, input, select, textarea { font: inherit; }
button { border: 0; cursor: pointer; }

/* ═══════════════════════════════════════════
   PAGE FRAME
   ═══════════════════════════════════════════ */
.page-frame {
  width: min(100%, 420px);
  min-height: 100svh;
  margin: 0 auto;
  overflow: hidden;
  background: var(--paper);
  box-shadow: 0 0 0 1px rgba(37,38,40,0.06), 0 22px 70px rgba(37,38,40,0.16);
}

.screen {
  position: relative;
  min-height: 720px;
  padding: 42px 22px;
  overflow: hidden;
}

/* ═══════════════════════════════════════════
   TYPOGRAPHY UTILITIES
   ═══════════════════════════════════════════ */
.small-title {
  margin: 0 0 0.6rem;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--wine);
}

.section-script {
  margin: 0.5rem 0 0;
  font-family: "Great Vibes", cursive;
  font-size: clamp(2.6rem, 12vw, 3.7rem);
  font-weight: 400;
  line-height: 1.15;
}

/* ═══════════════════════════════════════════
   1. OPENING GATE
   ═══════════════════════════════════════════ */
.invitation-gate {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--wine-dark);
  transition: visibility 0s linear 2.2s;
  cursor: pointer;
}

.invitation-gate.is-open {
  visibility: hidden;
  background: transparent;
  pointer-events: none;
}

.gate-panel {
  position: absolute;
  top: 0;
  width: 50%;
  height: 100%;
  background:
    radial-gradient(circle at 50% 22%, rgba(255,248,239,0.15), transparent 34%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.03) 0 1px, transparent 1px 18px),
    linear-gradient(135deg, #3e0c13, var(--wine), #5f1720);
  transition: transform 2.2s var(--ease);
}

.gate-panel::after {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px solid rgba(255,252,246,0.3);
  pointer-events: none;
}

.gate-panel-left { left: 0; }
.gate-panel-right { right: 0; }

.invitation-gate.is-open .gate-panel-left { transform: translateX(-100%); }
.invitation-gate.is-open .gate-panel-right { transform: translateX(100%); }

.gate-ornament {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 40px;
  height: 160px;
  opacity: 0.5;
}
.gate-ornament-left { right: 8px; }
.gate-ornament-right { left: 8px; }
.gate-vine { width: 100%; height: 100%; }

.gate-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--ivory);
  animation: fadeInGate 1.2s ease-out;
  transition: opacity 0.8s ease;
}

.invitation-gate.is-open .gate-content {
  opacity: 0;
}

.gate-label {
  margin: 0 0 0.3rem;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold);
}

.gate-names {
  margin: 0;
  font-family: "Great Vibes", cursive;
  font-size: clamp(3rem, 14vw, 4.2rem);
  font-weight: 400;
  line-height: 1;
}

.gate-amp {
  display: block;
  font-size: 0.5em;
  opacity: 0.7;
  margin: 0.15em 0;
}

.gate-date-preview {
  margin: 0.8rem 0 1.5rem;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: rgba(255,252,246,0.75);
}

.gate-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 2rem;
  border: 1px solid rgba(255,252,246,0.6);
  border-radius: 0;
  color: var(--ivory);
  background: rgba(79,17,25,0.5);
  backdrop-filter: blur(6px);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.3s ease;
}

.gate-button:hover {
  background: rgba(128,30,42,0.7);
  border-color: var(--ivory);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.3);
}

.gate-button svg { opacity: 0.7; }

@keyframes fadeInGate {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════
   FLOATING CONTROLS
   ═══════════════════════════════════════════ */
.floating-actions {
  position: fixed;
  inset: auto max(1rem, calc((100vw - 420px)/2 + 1rem)) 1rem max(1rem, calc((100vw - 420px)/2 + 1rem));
  z-index: 50;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  pointer-events: none;
}

.floating-left { position: relative; }

.round-action, .music-hint { pointer-events: auto; }

.round-action {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ivory);
  background: var(--wine);
  cursor: pointer;
  box-shadow: 0 10px 26px rgba(128,30,42,0.34), inset 0 0 0 1px rgba(255,255,255,0.16);
  transition: transform 0.25s ease, background 0.25s ease;
  padding: 0;
}

.round-action:hover {
  transform: translateY(-2px);
  background: var(--wine-dark);
}

.disc-icon {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid rgba(255, 252, 246, 0.5);
  animation: spinIcon 4s linear infinite;
  animation-play-state: paused;
}

.round-action.is-active .disc-icon { animation-play-state: running; }

.scroll-action {
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
}

.scroll-action.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-action.is-active { background: var(--wine-dark); }

.music-hint {
  position: absolute;
  left: 0;
  bottom: 58px;
  margin: 0;
  padding: 0.5rem 0.7rem;
  border-radius: 8px;
  color: var(--ivory);
  background: var(--wine);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  white-space: nowrap;
  box-shadow: 0 8px 20px rgba(128,30,42,0.24);
  animation: hintFloat 2.5s ease-in-out infinite;
}

.music-hint::after {
  content: "";
  position: absolute;
  left: 18px;
  bottom: -6px;
  border-width: 6px 6px 0;
  border-style: solid;
  border-color: var(--wine) transparent transparent;
}

/* ═══════════════════════════════════════════
   SCROLL REVEAL
   ═══════════════════════════════════════════ */
.reveal-up, .reveal-left, .reveal-fade {
  opacity: 0;
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  will-change: transform, opacity;
}

.reveal-up { transform: translate3d(0, 38px, 0); }
.reveal-left { transform: translate3d(42px, 0, 0); }
.reveal-fade { transform: none; }

.reveal-up.active, .reveal-left.active, .reveal-fade.active {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

/* ═══════════════════════════════════════════
   2. COVER
   ═══════════════════════════════════════════ */
.cover-screen {
  min-height: 580px;
  display: grid;
  align-items: end;
  padding: 0;
  color: var(--ivory);
  background: var(--wine-dark);
}

.cover-photo {
  position: absolute;
  inset: 0;
}

.cover-photo::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(37,38,40,0.04), rgba(37,38,40,0.15) 40%, rgba(37,38,40,0.72)),
    linear-gradient(90deg, rgba(128,30,42,0.25), transparent 42%, rgba(75,16,24,0.2));
}

.cover-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cover-content {
  position: relative;
  z-index: 1;
  padding: 0 22px 54px;
  text-align: center;
}

.script-name {
  margin: 0;
  font-family: "Great Vibes", cursive;
  font-size: clamp(3.2rem, 14vw, 4.6rem);
  font-weight: 400;
  line-height: 0.85;
  text-shadow: 0 16px 40px rgba(0,0,0,0.35);
}

.name-divider {
  display: block;
  font-size: 0.4em;
  opacity: 0.75;
  margin: 0.2em 0;
  font-style: italic;
}

.cover-date {
  margin: 1.2rem 0 0;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-shadow: 0 4px 12px rgba(0,0,0,0.3);
}

/* ═══════════════════════════════════════════
   3. INVITATION
   ═══════════════════════════════════════════ */
.invite-screen {
  min-height: 780px;
  display: grid;
  align-content: start;
  gap: 1.2rem;
  padding-top: 48px;
  padding-bottom: 48px;
  background:
    radial-gradient(circle at 50% 4%, var(--gold-light), transparent 28%),
    var(--paper);
  text-align: center;
}

.invite-copy h2 {
  font-family: "Great Vibes", cursive;
  font-size: 3.6rem;
  font-weight: 400;
  color: var(--wine);
  line-height: 1.15;
  margin: 0.5rem 0 0;
}

.ornament {
  width: 138px;
  height: 52px;
  margin: 0 auto;
  border-top: 1px solid rgba(194,154,98,0.65);
  border-bottom: 1px solid rgba(194,154,98,0.35);
  border-radius: 50%;
}

.portrait-medallion {
  position: relative;
  width: 220px;
  height: 275px;
  margin: 0 auto;
  overflow: visible; /* Cho phép băng keo tràn ra ngoài */
  background: #fffdfa; /* Giấy ảnh màu trắng ngà */
  padding: 6px 6px 20px 6px; /* Tạo viền trắng ảnh Polaroid */
  border-radius: 110px 110px 16px 16px;
  box-shadow: 0 12px 28px rgba(61, 16, 25, 0.12), 0 4px 10px rgba(0, 0, 0, 0.05);
  transform: rotate(-1.2deg); /* Nghiêng nhẹ dễ thương */
}

.portrait-medallion img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 104px 104px 8px 8px; /* Bo viền cho ảnh khớp với khung cổng vòm */
}

/* Băng dính Washi hồng dễ thương dán phía trên cổng vòm */
.portrait-medallion::after {
  content: "";
  position: absolute;
  top: -6px;
  left: 50%;
  transform: translateX(-50%) rotate(-3deg);
  width: 55px;
  height: 16px;
  background: rgba(225, 180, 188, 0.7); /* Màu hồng Washi */
  backdrop-filter: blur(1px);
  border-left: 1.5px dashed rgba(255, 255, 255, 0.4);
  border-right: 1.5px dashed rgba(255, 255, 255, 0.4);
  pointer-events: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

/* Bông hoa anh đào trang trí dễ thương ở góc khung ảnh */
.portrait-flower {
  position: absolute;
  bottom: -12px;
  right: -8px; /* Đặt ở góc dưới bên phải để đối xứng và tránh đè biểu tượng nhạc */
  font-size: 1.8rem;
  z-index: 3;
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.1));
  animation: floatFlower 3.5s ease-in-out infinite alternate;
  pointer-events: none;
}

@keyframes floatFlower {
  0% {
    transform: translateY(0) rotate(0deg) scale(1);
  }
  100% {
    transform: translateY(-5px) rotate(12deg) scale(1.05);
  }
}

.couple-names-block {
  text-align: center;
}

.couple-name-script {
  margin: 0;
  font-family: "Great Vibes", cursive;
  font-size: clamp(2.8rem, 12vw, 3.6rem);
  font-weight: 400;
  line-height: 1;
  color: var(--wine-dark);
}

.couple-amp {
  display: block;
  font-family: "Great Vibes", cursive;
  font-size: 1.8rem;
  color: var(--gold);
  margin: 0.1em 0;
}

.invite-message {
  max-width: 320px;
  margin: 0 auto;
}

.invite-message p {
  margin: 0;
  color: var(--muted);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.88rem;
  line-height: 1.6;
}

.family-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.7rem;
}

.family-card > div {
  padding: 1rem 0.4rem;
  background: rgba(255,252,246,0.72);
  text-align: center;
  border-radius: 16px;
  box-shadow: var(--shadow);
}

.family-card span {
  display: block;
  color: var(--wine);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 0.4rem;
}

.family-card strong {
  display: block;
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.35;
  white-space: nowrap;
}

.family-card em {
  display: block;
  margin-top: 0.3rem;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.72rem;
  font-style: normal;
  color: var(--muted);
}

/* ═══════════════════════════════════════════
   4. COUPLE
   ═══════════════════════════════════════════ */
.couple-screen {
  min-height: 900px;
  padding-top: 48px;
  padding-bottom: 48px;
  color: var(--ivory);
  background:
    radial-gradient(circle at 50% 0, rgba(255,252,246,0.15), transparent 30%),
    linear-gradient(165deg, var(--wine-dark), var(--wine));
  text-align: center;
}

.couple-screen .small-title { color: rgba(255,252,246,0.7); }
.couple-screen .section-script { color: var(--ivory); }

.couple-card {
  position: relative;
  width: 75%;
  margin: 1.5rem auto 0;
  overflow: hidden;
  background: var(--ivory);
  box-shadow: var(--shadow);
  text-align: left;
}

.couple-card img {
  width: 100%;
  height: 270px;
  object-fit: cover;
  object-position: center top;
}

.couple-card > div {
  display: grid;
  gap: 0.3rem;
  padding: 1rem;
  color: var(--ink);
  background: var(--ivory);
}

.couple-card span {
  display: block;
  color: var(--wine);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.couple-card strong {
  font-family: "Great Vibes", cursive;
  font-size: clamp(2rem, 9vw, 2.5rem);
  font-weight: 400;
  line-height: 1;
  color: var(--wine-dark);
}

.couple-card p {
  margin: 0.3rem 0 0;
  color: var(--muted);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.82rem;
  line-height: 1.55;
  font-style: italic;
  text-align: justify;
}

.bride-card, .groom-card { border-radius: 120px 120px 20px 20px; }
.bride-card img, .groom-card img { border-radius: 116px 116px 0 0; }

/* ═══════════════════════════════════════════
   5. EVENTS
   ═══════════════════════════════════════════ */
.event-screen {
  min-height: 720px;
  display: grid;
  align-content: start;
  gap: 1.5rem;
  padding-top: 48px;
  padding-bottom: 48px;
  background: var(--ivory);
}

.event-heading { text-align: center; }
.event-heading .section-script { color: var(--wine-dark); }

/* Calendar */
.calendar-widget {
  padding: 1.2rem;
  background: var(--paper);
  text-align: center;
}

.calendar-title {
  margin: 0 0 1rem;
  font-family: "Quicksand", sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--wine);
}

.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}

.calendar-header {
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 6px 0;
}

.calendar-day {
  display: grid;
  place-items: center;
  padding: 7px 0;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--ink);
  border-radius: 50%;
  aspect-ratio: 1;
  transition: background 0.2s ease;
}

.calendar-day.empty { visibility: hidden; }

.calendar-highlight {
  position: relative;
  background: transparent;
  color: #fff;
  font-weight: 800;
  box-shadow: none;
}

.calendar-highlight::before {
  content: "";
  position: absolute;
  top: 52%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 135%;
  height: 135%;
  z-index: -1;
  background-color: var(--gold);
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 21.35l-1.45-1.32C5.4 15.36 2 12.28 2 8.5 2 5.42 4.42 3 7.5 3c1.74 0 3.41.81 4.5 2.09C13.09 3.81 14.76 3 16.5 3 19.58 3 22 5.42 22 8.5c0 3.78-3.4 6.86-8.55 11.54L12 21.35z'/%3E%3C/svg%3E") center/contain no-repeat;
  filter: drop-shadow(0 4px 6px rgba(194,154,98,0.4));
}

.calendar-highlight-main {
  background: transparent;
  box-shadow: none;
}

.calendar-highlight-main::before {
  background-color: var(--wine);
  filter: drop-shadow(0 4px 6px rgba(128,30,42,0.4));
}

.calendar-legend {
  display: flex;
  justify-content: center;
  gap: 1.2rem;
  margin-top: 0.8rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.68rem;
  font-weight: 600;
  color: var(--muted);
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.legend-dot-main { background: var(--wine); }
.legend-dot-party { background: var(--gold); }

/* Event Cards */
.event-cards {
  display: grid;
  gap: 1.5rem;
}

.event-card {
  padding: 1.5rem 1.2rem;
  background: var(--paper);
  text-align: center;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.event-card-title {
  margin: 0 0 0.3rem;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
}

.event-card-time {
  margin: 0 0 1rem;
  font-family: "Quicksand", sans-serif;
  font-size: 1.1rem;
  font-weight: 500;
  font-style: italic;
  color: var(--muted);
}

.event-card-date {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin: 0 auto 1rem;
  max-width: 290px;
}

.date-side-left, .date-side-right {
  flex: 1;
  border-top: 1.5px solid var(--ink);
  border-bottom: 1.5px solid var(--ink);
  padding: 0.5rem 0;
  text-align: center;
}

.event-day-name {
  display: block;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
}

.event-day-number {
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 3.2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ink);
  padding: 0 0.5rem;
}

.event-month {
  display: block;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.05em;
}

.event-address {
  margin: 0.5rem 0 0;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.5;
}

.event-lunar {
  margin: 0;
  font-family: "Quicksand", sans-serif;
  font-size: 0.88rem;
  font-style: italic;
  color: var(--gold);
}

.map-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  margin-top: 1rem;
  padding: 0.7rem 1.5rem;
  background: var(--wine);
  color: #fff;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 50px;
  transition: background 0.25s ease, transform 0.25s ease;
}

.map-button:hover {
  background: var(--wine-dark);
  transform: translateY(-1px);
}

.map-button svg { color: inherit; }

/* Countdown */
.countdown-section {
  padding: 1.5rem;
  background:
    radial-gradient(circle at 50% 50%, rgba(128,30,42,0.08), transparent 60%),
    var(--paper);
  text-align: center;
}

.countdown-heading {
  margin: 0 0 1rem;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--wine);
}

.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
}

.countdown-item {
  display: grid;
  gap: 0.25rem;
  padding: 0.8rem 0.4rem;
  background: var(--wine);
  color: #fff;
  border-radius: 20px;
  box-shadow: 0 8px 24px rgba(162, 85, 104, 0.2);
}

.countdown-value {
  font-family: "Playfair Display", serif;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
}

.countdown-label {
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  opacity: 0.8;
}

.countdown-expired {
  margin: 0.8rem 0 0;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--wine);
}

/* ═══════════════════════════════════════════
   6. GALLERY
   ═══════════════════════════════════════════ */
.gallery-screen {
  min-height: 800px;
  padding: 48px 22px; /* Trả về padding đều hai bên 22px chuẩn */
  background: var(--paper);
  overflow-x: hidden; /* Ngăn chặn hoàn toàn tràn viền ngang */
}

.section-heading {
  margin-bottom: 1.3rem;
  text-align: center;
}

.section-heading .section-script { color: var(--wine-dark); }

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr 1fr; /* Sử dụng 2 cột bằng nhau để tránh lỗi co giãn lệch */
  gap: 0.8rem;
  padding: 0.5rem 0.2rem;
}

.gallery-photo {
  position: relative;
  margin: 0;
  overflow: visible; /* Cho phép băng keo tràn ra ngoài */
  background: #fffdfa; /* Màu trắng ngà của giấy ảnh */
  padding: 6px 6px 16px 6px; /* Chừa lề dưới kiểu ảnh Polaroid */
  border-radius: 12px;
  box-shadow: 0 8px 22px rgba(121, 37, 54, 0.07), 0 2px 6px rgba(0, 0, 0, 0.03);
  transition: opacity 0.9s var(--ease), transform 0.9s var(--ease), box-shadow 0.5s ease;
  aspect-ratio: 4 / 5; /* Đổi sang tỷ lệ dọc 4:5 hiện đại, đỡ bị mất góc ảnh */
  min-width: 0; /* Ép trình duyệt cho phép co nhỏ ô lưới khi cần, tránh đẩy viền */
  width: 100%;
}

.gallery-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%; /* Giữ khuôn mặt luôn nằm giữa khung ảnh không bị cắt mất đầu */
  border-radius: 8px; /* Bo góc ảnh bên trong nhẹ hơn */
  cursor: pointer;
  transition: transform 0.5s ease;
}

.gallery-tall {
  grid-row: span 2;
  aspect-ratio: auto; /* Chiều cao tự giãn theo 2 hàng grid */
  border-radius: 110px 110px 12px 12px;
  padding: 6px 6px 16px 6px;
}

.gallery-tall img {
  border-radius: 104px 104px 8px 8px;
}

.gallery-wide {
  grid-column: 1 / -1;
  aspect-ratio: 3 / 2; /* Khóa tỷ lệ ảnh ngang 3:2 đẹp mắt */
  padding: 6px 6px 14px 6px;
  border-radius: 16px;
}

.gallery-wide img {
  height: 100%;
  border-radius: 10px;
}

/* Album Gallery Scroll Reveal Initial State */
.gallery-photo {
  opacity: 0;
  will-change: transform, opacity;
}

/* Hidden state (translated + rotated) */
.gallery-photo:nth-child(odd) {
  transform: translate3d(0, 42px, 0) rotate(-0.8deg);
}

.gallery-photo:nth-child(even) {
  transform: translate3d(0, 42px, 0) rotate(0.6deg);
}

.gallery-photo.gallery-wide,
.gallery-photo.gallery-tall:first-child {
  transform: translate3d(0, 42px, 0) rotate(0.2deg);
}

/* Active state (translated back + rotated) */
.gallery-photo.active:nth-child(odd) {
  opacity: 1;
  transform: translate3d(0, 0, 0) rotate(-0.8deg);
}

.gallery-photo.active:nth-child(even) {
  opacity: 1;
  transform: translate3d(0, 0, 0) rotate(0.6deg);
}

.gallery-photo.active.gallery-wide,
.gallery-photo.active.gallery-tall:first-child {
  opacity: 1;
  transform: translate3d(0, 0, 0) rotate(0.2deg);
}

/* Hiệu ứng di chuột vào tấm ảnh */
.gallery-photo.active:hover {
  transform: scale(1.05) rotate(0deg) !important;
  box-shadow: 0 16px 36px rgba(61, 16, 25, 0.12), 0 4px 12px rgba(0, 0, 0, 0.06);
  z-index: 5;
}

/* Băng dính Washi dễ thương trang trí trên góc ảnh - Giảm size băng keo và nét đứt */
.gallery-photo:nth-child(3n+1)::after {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%) rotate(-3deg);
  width: 48px;
  height: 14px;
  background: rgba(225, 180, 188, 0.65); /* Băng keo hồng pastel */
  backdrop-filter: blur(1px);
  border-left: 1px dashed rgba(255, 255, 255, 0.4);
  border-right: 1px dashed rgba(255, 255, 255, 0.4);
  pointer-events: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

.gallery-photo:nth-child(4n)::after {
  content: "";
  position: absolute;
  top: -5px;
  left: 50%;
  transform: translateX(-50%) rotate(2deg);
  width: 42px;
  height: 14px;
  background: rgba(194, 154, 98, 0.5); /* Băng keo vàng nhạt */
  backdrop-filter: blur(1px);
  border-left: 1px dashed rgba(255, 255, 255, 0.4);
  border-right: 2px dashed rgba(255, 255, 255, 0.4);
  pointer-events: none;
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.03);
}

/* Trang trí dễ thương (Stickers) cho Album ảnh cưới */
.photo-deco {
  position: absolute;
  z-index: 3;
  pointer-events: none;
  filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.12));
  animation: floatDeco 3.8s ease-in-out infinite alternate;
}

@keyframes floatDeco {
  0% {
    transform: translateY(0) rotate(0deg);
  }
  100% {
    transform: translateY(-4px) rotate(8deg);
  }
}

.deco-heart {
  bottom: -6px;
  right: -6px;
  font-size: 1.3rem;
}

.deco-flower {
  bottom: -8px;
  left: -8px;
  font-size: 1.4rem;
}

.deco-leaf {
  top: -8px;
  right: -8px;
  font-size: 1.3rem;
}

.gallery-quote {
  margin: 1.5rem auto 0;
  max-width: 360px;
  text-align: center;
  font-family: "Quicksand", sans-serif;
  font-size: 1.1rem;
  font-style: italic;
  color: var(--muted);
  line-height: 1.6;
}

/* Lightbox */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0,0,0,0.92);
  place-items: center;
  cursor: pointer;
}

.lightbox[hidden] { display: none; }

.lightbox.is-active {
  display: grid;
}

.lightbox-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 1001;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 50%;
  background: rgba(255,255,255,0.15);
  color: #fff;
  cursor: pointer;
  transition: background 0.2s ease;
}

.lightbox-close:hover { background: rgba(255,255,255,0.3); }

.lightbox-img {
  max-width: 92vw;
  max-height: 88vh;
  object-fit: contain;
  cursor: default;
  border-radius: 4px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}

/* ═══════════════════════════════════════════
   7. RSVP
   ═══════════════════════════════════════════ */
.rsvp-screen {
  min-height: 780px;
  display: grid;
  align-content: center;
  gap: 1.3rem;
  padding-top: 48px;
  padding-bottom: 48px;
  background:
    radial-gradient(circle at 100% 0, rgba(128,30,42,0.08), transparent 32%),
    var(--ivory);
}

.rsvp-copy {
  text-align: center;
}

.rsvp-copy .section-script { color: var(--wine-dark); }

.rsvp-copy p {
  max-width: 300px;
  margin: 0.9rem auto 0;
  color: var(--muted);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.88rem;
  line-height: 1.55;
}

.rsvp-form {
  display: grid;
  gap: 1rem;
  padding: 1.5rem 1.2rem;
  background: var(--ivory);
  box-shadow: var(--shadow);
  border-radius: 24px;
}

.form-field { display: grid; gap: 0.3rem; }

.form-field label,
.radio-group legend {
  color: var(--muted);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.rsvp-form input[type="text"],
.rsvp-form textarea {
  width: 100%;
  padding: 0.75rem 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  background: transparent;
  outline: 0;
  font-size: 0.95rem;
  transition: border-color 0.25s ease;
}

.rsvp-form input[type="text"]:focus,
.rsvp-form textarea:focus { border-bottom-color: var(--wine); }

.rsvp-form textarea {
  resize: none;
  border: 1px solid var(--line);
  padding: 0.6rem;
  border-radius: 4px;
}

.rsvp-form textarea:focus { border-color: var(--wine); }

.rsvp-form select {
  width: 100%;
  padding: 0.7rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  background: #fff;
  font-size: 0.88rem;
  cursor: pointer;
  outline: 0;
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,%3Csvg width='12' height='8' viewBox='0 0 12 8' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23746b62' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.6rem center;
}

.rsvp-form select:focus { border-color: var(--wine); }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.radio-group {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  border: 0;
}

.radio-group label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.82rem;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
  cursor: pointer;
}

.radio-group input { accent-color: var(--wine); cursor: pointer; }

.primary-button {
  min-height: 3.2rem;
  color: var(--ivory);
  background: var(--wine);
  border: 0;
  cursor: pointer;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 50px;
  transition: transform 0.25s ease, background 0.25s ease, box-shadow 0.25s ease;
}

.primary-button:hover {
  transform: translateY(-1px);
  background: var(--wine-dark);
  box-shadow: 0 8px 24px rgba(128,30,42,0.3);
}

.primary-button:active { transform: translateY(1px); }

/* Boarding Pass */
.boarding-pass {
  --cut: 22px;
  display: none;
  overflow: hidden;
  color: var(--ink);
  background: var(--paper);
  box-shadow: var(--shadow);
  -webkit-mask:
    radial-gradient(circle var(--cut) at 0 50%, transparent 98%, #000 100%) 0 0 / 50% 100% no-repeat,
    radial-gradient(circle var(--cut) at 100% 50%, transparent 98%, #000 100%) 100% 0 / 50% 100% no-repeat;
  mask:
    radial-gradient(circle var(--cut) at 0 50%, transparent 98%, #000 100%) 0 0 / 50% 100% no-repeat,
    radial-gradient(circle var(--cut) at 100% 50%, transparent 98%, #000 100%) 100% 0 / 50% 100% no-repeat;
  border-radius: 20px;
  animation: slideUp 0.6s var(--ease);
}

.boarding-pass[style*="display: block"] { display: grid; }

.ticket-body, .ticket-stub { padding: 1.15rem; }

.ticket-body {
  display: grid;
  gap: 0.8rem;
}

.ticket-label {
  margin: 0 0 0.2rem;
  color: var(--wine);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.ticket-caption {
  display: block;
  margin: 0 0 0.2rem;
  color: var(--muted);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.ticket-body strong {
  display: block;
  font-size: 1.6rem;
  font-weight: 600;
  line-height: 1;
}

.ticket-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.ticket-meta strong { font-size: 1.3rem; }

.ticket-event small {
  display: block;
  margin-top: 0.3rem;
  color: var(--muted);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.75rem;
}

.ticket-stub {
  display: grid;
  place-items: center;
  gap: 0.6rem;
  border-top: 1px dashed var(--line);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.68rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.qr-code {
  width: min(140px, 45vw);
  aspect-ratio: 1;
  object-fit: contain;
}

/* ═══════════════════════════════════════════
   8. GIFT
   ═══════════════════════════════════════════ */
.gift-screen {
  min-height: 520px;
  display: grid;
  align-content: center;
  gap: 1rem;
  padding-top: 48px;
  padding-bottom: 48px;
  background: var(--paper);
}

.gift-note {
  max-width: 300px;
  margin: 0 auto;
  text-align: center;
  color: var(--muted);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.86rem;
  line-height: 1.55;
}

.gift-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
}

.gift-cards-single {
  grid-template-columns: 1fr;
  max-width: 260px; /* Tăng chiều rộng lên 260px để số tài khoản và nút copy nằm vừa vặn trên 1 dòng */
  margin: 0 auto;
}

.gift-card {
  padding: 1.2rem;
  background: var(--ivory);
  text-align: center;
  display: grid;
  gap: 0.6rem;
  justify-items: center;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.gift-card-header {
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--muted);
  line-height: 1.4;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.gift-card-header strong {
  display: block;
  color: var(--wine);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.gift-qr {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border: 1px solid var(--line);
  padding: 4px;
  background: #fff;
}

.gift-download {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1.2rem;
  background: var(--wine);
  color: #fff;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  border-radius: 50px;
  transition: background 0.25s ease;
}

.gift-download:hover { background: var(--wine-dark); }

/* Premium Gift Box Card */
.premium-gift-card {
  position: relative;
  background: #fffdfa;
  border: 1px solid var(--gold-light);
  padding: 1.8rem 1.4rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(162, 85, 104, 0.08);
}

/* Nơ hồng trang trí trên đầu thiệp */
.gift-card-decor {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 1.8rem;
  z-index: 2;
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.08));
}

.gift-qr-container {
  background: #fff;
  padding: 8px;
  border-radius: 14px;
  border: 1.5px solid rgba(194, 154, 98, 0.25); /* Viền màu nhũ vàng thanh lịch */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin: 0.5rem auto 0.8rem;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.gift-qr-container .gift-qr {
  width: 140px;
  height: 140px;
  border: 0;
  padding: 0;
  display: block;
}

/* Thông tin chi tiết */
.gift-details {
  width: 100%;
  display: grid;
  gap: 0.25rem;
  text-align: center;
}

.gift-details .bank-name {
  font-family: Quicksand, sans-serif;
  font-size: 0.82rem;
  font-weight: 800;
  color: var(--gold); /* Màu nhũ vàng */
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0;
}

.gift-details .account-name {
  font-family: Quicksand, sans-serif;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--wine-dark);
  margin: 0;
}

.gift-details .account-number {
  font-family: "Courier New", Courier, monospace;
  font-size: 1.0rem; /* Giảm nhẹ cỡ chữ số tài khoản một chút để vừa vặn hơn */
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
  white-space: nowrap; /* Khóa không cho số tài khoản tự xuống dòng ở các khoảng trắng */
}

/* Hàng ngang chứa số tài khoản và nút Copy */
.account-number-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  margin: 0.2rem 0;
  width: 100%;
  flex-wrap: nowrap; /* Khóa không cho các phần tử con xuống dòng */
}

.gift-details .bank-branch {
  font-family: Quicksand, sans-serif;
  font-size: 0.65rem;
  color: var(--muted);
  margin: 0;
}

/* Nút Copy dạng con nhộng nhỏ gọn nằm cùng dòng với số tài khoản */
.copy-acc-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.2rem;
  padding: 0.2rem 0.5rem;
  background: #fdf5f6; /* Nền hồng pastel siêu nhẹ */
  color: var(--wine);
  border: 1px solid rgba(199, 125, 143, 0.25);
  border-radius: 50px;
  font-family: Quicksand, sans-serif;
  font-size: 0.62rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.25s ease;
  border-style: solid;
  white-space: nowrap;
}

.copy-acc-btn:hover {
  background: var(--wine);
  color: #fff;
  border-color: var(--wine);
}

.copy-acc-btn.copied {
  background: #2e7d32;
  color: #fff;
  border-color: #2e7d32;
}

.gift-transfer-note {
  font-family: Quicksand, sans-serif;
  font-size: 0.65rem;
  color: var(--wine);
  font-style: italic;
  margin: 0.4rem auto 0;
  line-height: 1.4;
  text-align: center;
  opacity: 0.85;
  max-width: 90%;
}

/* ═══════════════════════════════════════════
   9. THANK YOU
   ═══════════════════════════════════════════ */
.thank-screen {
  min-height: 420px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 0.6rem;
  padding-top: 48px;
  padding-bottom: 48px;
  color: var(--ivory);
  background:
    radial-gradient(circle at 50% 20%, rgba(255,252,246,0.18), transparent 32%),
    linear-gradient(165deg, var(--wine), var(--wine-dark));
  text-align: center;
}

.thank-screen .section-script { color: var(--ivory); }

.thank-portrait {
  width: 150px;
  height: 150px;
  overflow: hidden;
  border: 2px solid var(--gold);
  border-radius: 50%;
  animation: softPulse 3s ease-in-out infinite;
}

.thank-portrait img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 10%;
}

.thank-note {
  max-width: 300px;
  margin: 0.3rem auto 0;
  color: rgba(255,252,246,0.82);
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.86rem;
  line-height: 1.55;
}

.thank-couple {
  margin: 0.3rem 0 0;
  font-family: "Great Vibes", cursive;
  font-size: 1.8rem;
  font-weight: 400;
  color: var(--gold);
}

.thank-amp {
  margin: 0 0.5rem;
  display: inline-block;
}

/* ═══════════════════════════════════════════
   KEYFRAMES
   ═══════════════════════════════════════════ */
@keyframes spinIcon {
  to { transform: rotate(360deg); }
}

@keyframes hintFloat {
  50% { transform: translateY(-5px); }
}

@keyframes softPulse {
  50% {
    transform: scale(1.035);
    box-shadow: 0 0 0 10px rgba(194,154,98,0.12);
  }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ═══════════════════════════════════════════
   ACCESSIBILITY & RESPONSIVE
   ═══════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal-up, .reveal-left, .reveal-fade {
    opacity: 1; transform: none; transition: none;
  }
  .round-action.is-active .disc-icon,
  .music-hint, .thank-portrait { animation: none; }
  .gate-panel { transition-duration: 0.01s; }
}

@media (max-width: 360px) {
  .screen { padding-inline: 16px; }
  .script-name { font-size: 3.2rem; }
  .section-script, .invite-copy h2 { font-size: 3rem; }
  .couple-name-script { font-size: 2.6rem; }
  .gate-names { font-size: 2.8rem; }
  .gift-cards { gap: 0.5rem; }
  .gift-card { padding: 0.7rem; }
  .gift-qr { width: 80px; height: 80px; }
}

/* ═══════════════════════════════════════════
   10. RSVP LETTER & ENVELOPE ANIMATION
   ═══════════════════════════════════════════ */
.rsvp-anim-overlay {
  position: fixed;
  inset: 0;
  background: rgba(61, 44, 51, 0.4);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.5s ease;
}

.rsvp-anim-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.envelope-container {
  position: relative;
  width: 280px;
  height: 400px;
  perspective: 800px;
  overflow: hidden;
}

/* The Letter */
.letter-paper {
  position: absolute;
  bottom: 150px;
  left: 15px;
  width: 250px;
  height: 185px;
  background: #fff;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  padding: 1rem;
  z-index: 2;
  transform: translateY(0);
  transition: transform 2.0s cubic-bezier(0.45, 0, 0.55, 1);
}

.letter-inner {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px dashed rgba(199, 125, 143, 0.3);
  padding: 0.5rem;
}

.letter-title {
  margin: 0 0 0.3rem;
  font-family: "Great Vibes", cursive;
  font-size: 1.4rem;
  color: var(--wine-dark);
  text-align: center;
}

.letter-guest {
  font-size: 0.7rem;
  color: var(--muted);
  margin: 0 0 0.2rem;
  font-family: Quicksand, Quicksand, sans-serif;
}

.letter-msg-box {
  flex: 1;
  overflow-y: auto;
  margin-bottom: 0.2rem;
  padding-right: 2px;
}

.letter-message {
  font-size: 0.75rem;
  color: var(--ink);
  line-height: 1.35;
  margin: 0;
  font-style: italic;
  font-family: Quicksand, Quicksand, sans-serif;
  word-break: break-word;
}

.letter-closing {
  font-size: 0.7rem;
  text-align: right;
  color: var(--wine);
  margin: 0;
  font-weight: 700;
  font-family: Quicksand, Quicksand, sans-serif;
}

/* The Envelope Parts */
.env-back {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 280px;
  height: 160px;
  background: #d49ba8;
  border-radius: 0 0 16px 16px;
  z-index: 1;
}

.env-front {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 280px;
  height: 160px;
  z-index: 3;
  pointer-events: none;
}

.env-flap {
  position: absolute;
  bottom: 160px;
  left: 0;
  width: 280px;
  height: 90px;
  transform-origin: bottom;
  transition: transform 1.2s cubic-bezier(0.45, 0, 0.55, 1), filter 1.2s ease;
  z-index: 1;
  pointer-events: none;
  filter: drop-shadow(0 0 0 rgba(0, 0, 0, 0));
}

/* Animation Steps */
.envelope-container.step-fold .letter-paper {
  transform: translateY(180px);
}

.envelope-container.step-flap .env-flap {
  transform: rotateX(180deg);
  z-index: 4;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.22));
}

.envelope-container.step-fly {
  animation: flyAway 2.0s ease-in-out forwards;
}

/* Red Heart Seal */
.env-heart {
  position: absolute;
  bottom: 60px;
  left: 128px;
  width: 24px;
  height: 24px;
  font-size: 1.6rem;
  line-height: 24px;
  text-align: center;
  z-index: 5;
  pointer-events: none;
  opacity: 0;
  transform: scale(3.5);
  transition: opacity 0.4s ease, transform 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.envelope-container.step-heart .env-heart {
  opacity: 1;
  transform: scale(1);
}

@keyframes flyAway {
  0% {
    transform: scale(1) translate3d(0, 0, 0) rotate(0);
    opacity: 1;
  }
  25% {
    transform: scale(0.95) translate3d(0, 15px, 0) rotate(-4deg);
    opacity: 1;
  }
  100% {
    transform: scale(0.05) translate3d(400px, -850px, 0) rotate(40deg);
    opacity: 0;
  }
}

/* RSVP Thank You Card */
.rsvp-thankyou {
  text-align: center;
  padding: 2.2rem 1.5rem;
  background: var(--ivory);
  border-radius: 24px;
  box-shadow: var(--shadow);
  animation: slideUp 0.6s var(--ease);
}

.rsvp-thankyou[hidden] {
  display: none;
}

.thankyou-title {
  margin: 0 0 0.5rem;
  font-family: "Great Vibes", cursive;
  font-size: 2.2rem;
  color: var(--wine-dark);
}

.thankyou-msg {
  margin: 0;
  font-family: Quicksand, Quicksand, sans-serif;
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.5;
}