@import url('https://fonts.googleapis.com/css2?family=Caveat:wght@500;600;700&family=Cormorant+Garamond:ital,wght@0,500;0,600;0,700;1,400;1,600&family=Plus+Jakarta+Sans:wght@400;500;600;700&display=swap');

:root {
  --bg-primary: #fdf8f5;
  --bg-gradient: radial-gradient(circle at 15% 15%, #fceef2 0%, #f8eefc 45%, #fdfaf6 100%);
  --surface-card: rgba(255, 255, 255, 0.88);
  --surface-glass: rgba(255, 255, 255, 0.72);
  --text-main: #3d2c35;
  --text-muted: #7d6772;
  --text-light: #a58e99;
  --accent-rose: #e58ca5;
  --accent-rose-dark: #c96884;
  --accent-lavender: #b39ddb;
  --accent-sage: #8fb996;
  --border-soft: rgba(229, 140, 165, 0.24);
  --shadow-soft: 0 12px 32px -8px rgba(92, 55, 72, 0.09), 0 4px 12px -2px rgba(92, 55, 72, 0.05);
  --shadow-hover: 0 20px 40px -10px rgba(145, 75, 105, 0.16), 0 6px 16px -4px rgba(145, 75, 105, 0.08);

  --font-serif: 'Cormorant Garamond', Georgia, serif;
  --font-hand: 'Caveat', cursive;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Envelope Themes */
  --env-blush-bg: #fbdce4;
  --env-blush-flap: #f4c2cf;
  --env-blush-border: #eab0c0;
  --env-blush-paper: #fff9fb;

  --env-lavender-bg: #e8def8;
  --env-lavender-flap: #d6c6f0;
  --env-lavender-border: #c5b1e6;
  --env-lavender-paper: #fbf9ff;

  --env-peach-bg: #fde2d2;
  --env-peach-flap: #f9cbb1;
  --env-peach-border: #efb89a;
  --env-peach-paper: #fffaf7;

  --env-sage-bg: #dcece0;
  --env-sage-flap: #c3dec9;
  --env-sage-border: #b0cfb7;
  --env-sage-paper: #f8fcf9;

  --env-sky-bg: #dceefb;
  --env-sky-flap: #c2dff5;
  --env-sky-border: #aed1ec;
  --env-sky-paper: #f7fbff;

  --env-cream-bg: #f9efd8;
  --env-cream-flap: #efe0bc;
  --env-cream-border: #e2cfa4;
  --env-cream-paper: #fffdf8;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-tap-highlight-color: transparent;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--text-main);
  background: var(--bg-primary);
  background-image: var(--bg-gradient);
  background-attachment: fixed;
  min-height: 100vh;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* =====================================================
   3D OPENING LETTER INTRO OVERLAY (/for-her)
   ===================================================== */
.intro-overlay {
  position: fixed;
  inset: 0;
  z-index: 500;
  background: radial-gradient(circle at 50% 35%, #fff5f8 0%, #f8e8f2 52%, #f3e5f8 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  transition: opacity 0.75s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.75s ease;
  overflow: hidden;
}

.intro-overlay.hidden-intro {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.intro-top-hint {
  text-align: center;
  margin-bottom: 2.25rem;
  z-index: 10;
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.intro-overlay.is-opening .intro-top-hint {
  opacity: 0;
  transform: translateY(-12px);
}

.intro-eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-rose-dark);
  background: rgba(255, 255, 255, 0.85);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  margin-bottom: 0.65rem;
}

.intro-heading {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 5vw, 2.85rem);
  color: var(--text-main);
  font-weight: 700;
}

/* 3D Envelope Wrapper */
.intro-envelope-wrapper {
  position: relative;
  width: min(92vw, 430px);
  height: 285px;
  perspective: 1200px;
  cursor: pointer;
  z-index: 10;
  margin-top: 1.5rem;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.intro-overlay.is-opening .intro-envelope-wrapper {
  transform: translateY(72px);
}

/* Envelope Back Wall */
.intro-env-back {
  position: absolute;
  inset: 0;
  background: #f3bfd0;
  border-radius: 16px;
  box-shadow: 0 26px 55px -12px rgba(145, 65, 95, 0.32), 0 8px 20px rgba(145, 65, 95, 0.15);
}

/* Letter Card Inside Envelope that slides UP */
.intro-letter-card {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  height: 255px;
  background: #fffdf9;
  border-radius: 14px;
  padding: 1.45rem 1.25rem;
  text-align: center;
  box-shadow: 0 8px 25px rgba(72, 35, 50, 0.14);
  border: 1px solid rgba(229, 140, 165, 0.35);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  transition: transform 0.85s cubic-bezier(0.22, 1, 0.36, 1) 0.35s, height 0.6s ease 0.35s;
}

.intro-overlay.is-opening .intro-letter-card {
  transform: translateY(-145px);
  height: 295px;
  z-index: 6;
}

.intro-card-for {
  font-family: var(--font-hand);
  font-size: 1.65rem;
  color: var(--accent-rose-dark);
  margin-bottom: 0.2rem;
}

.intro-card-title {
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 4vw, 1.75rem);
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
  margin-bottom: 0.55rem;
}

.intro-card-sub {
  font-size: 0.86rem;
  color: var(--text-muted);
  max-width: 310px;
  margin-bottom: 1rem;
  line-height: 1.45;
}

/* Envelope Front Pocket Folds */
.intro-env-front {
  position: absolute;
  inset: 0;
  z-index: 3;
  pointer-events: none;
  border-radius: 16px;
  overflow: hidden;
}

.intro-env-front::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(165deg, #fbdce4 0%, #f6c8d6 100%);
  clip-path: polygon(0 0, 52% 58%, 0 100%);
}

.intro-env-front::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(195deg, #fbdce4 0%, #f4bfd0 100%);
  clip-path: polygon(100% 0, 48% 58%, 100% 100%);
}

.intro-env-bottom-fold {
  position: absolute;
  inset: 0;
  z-index: 4;
  pointer-events: none;
  border-radius: 16px;
  overflow: hidden;
}

.intro-env-bottom-fold::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, #f7cad8 0%, #fde4ec 100%);
  clip-path: polygon(0 100%, 50% 44%, 100% 100%);
  border-bottom: 2px solid #eab0c0;
}

/* Address Tag on Front of Envelope */
.intro-address-tag {
  position: absolute;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  background: rgba(255, 255, 255, 0.92);
  padding: 0.45rem 1.25rem;
  border-radius: 999px;
  border: 1px dashed var(--accent-rose);
  font-family: var(--font-hand);
  font-size: 1.35rem;
  color: var(--text-main);
  white-space: nowrap;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
  transition: opacity 0.35s ease;
}

.intro-overlay.is-opening .intro-address-tag {
  opacity: 0;
}

/* Top Triangular 3D Flap */
.intro-env-flap {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 168px;
  background: linear-gradient(180deg, #f3bacb 0%, #f8cedb 100%);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  transform-origin: top center;
  transition: transform 0.65s cubic-bezier(0.4, 0, 0.2, 1), z-index 0.1s linear 0.3s;
  z-index: 5;
  border-top-left-radius: 16px;
  border-top-right-radius: 16px;
}

.intro-overlay.is-opening .intro-env-flap {
  transform: rotateX(180deg);
  z-index: 1;
}

/* Pulsing Heart Wax Seal */
.intro-wax-seal {
  position: absolute;
  top: 128px;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #e6738f, #b84260);
  border: 3px solid #f7cdd8;
  box-shadow: 0 6px 18px rgba(168, 52, 82, 0.45), 0 0 0 8px rgba(229, 140, 165, 0.22);
  z-index: 7;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.65rem;
  color: #fff5f8;
  cursor: pointer;
  animation: pulseWax 2s infinite ease-in-out;
  transition: transform 0.35s ease, opacity 0.35s ease;
}

@keyframes pulseWax {
  0%, 100% {
    box-shadow: 0 6px 18px rgba(168, 52, 82, 0.45), 0 0 0 6px rgba(229, 140, 165, 0.22);
    transform: translate(-50%, -50%) scale(1);
  }
  50% {
    box-shadow: 0 8px 24px rgba(168, 52, 82, 0.6), 0 0 0 14px rgba(229, 140, 165, 0.08);
    transform: translate(-50%, -50%) scale(1.06);
  }
}

.intro-overlay.is-opening .intro-wax-seal {
  transform: translate(-50%, -50%) scale(1.35);
  opacity: 0;
  pointer-events: none;
}

.intro-tap-prompt {
  margin-top: 2.25rem;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--accent-rose-dark);
  background: rgba(255, 255, 255, 0.85);
  padding: 0.55rem 1.25rem;
  border-radius: 999px;
  box-shadow: 0 4px 14px rgba(201, 104, 132, 0.14);
  z-index: 10;
  transition: opacity 0.3s ease;
}

.intro-overlay.is-opening .intro-tap-prompt {
  opacity: 0;
}

/* =====================================================
   POLAROID PHOTO FRAMES & UPLOADS
   ===================================================== */
.polaroid-frame {
  background: #ffffff;
  padding: 12px 12px 34px 12px;
  border-radius: 6px;
  box-shadow: 0 10px 28px rgba(61, 44, 53, 0.14), 0 2px 6px rgba(61, 44, 53, 0.08);
  border: 1px solid rgba(229, 140, 165, 0.22);
  max-width: 310px;
  margin: 1.25rem auto;
  transform: rotate(-1.5deg);
  transition: transform 0.3s ease;
  position: relative;
}

.polaroid-frame:hover {
  transform: rotate(0deg) scale(1.02);
}

/* Pastel Washi Tape on Top of Polaroid */
.polaroid-frame::before {
  content: '';
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%) rotate(-2deg);
  width: 92px;
  height: 24px;
  background: rgba(244, 179, 196, 0.62);
  border-left: 2px dotted rgba(255, 255, 255, 0.8);
  border-right: 2px dotted rgba(255, 255, 255, 0.8);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.polaroid-img {
  width: 100%;
  max-height: 280px;
  aspect-ratio: 4 / 3.4;
  object-fit: cover;
  border-radius: 3px;
  display: block;
  background: #faf3f6;
}

.polaroid-caption {
  font-family: var(--font-hand);
  font-size: 1.35rem;
  color: var(--text-main);
  text-align: center;
  margin-top: 0.65rem;
  line-height: 1.2;
}

/* Mini Polaroid Thumbnail inside Envelope Card */
.envelope-polaroid-mini {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background: #fff;
  padding: 0.4rem 0.65rem;
  border-radius: 10px;
  border: 1px solid rgba(229, 140, 165, 0.28);
  margin-bottom: 0.55rem;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.04);
}

.envelope-polaroid-mini img {
  width: 42px;
  height: 42px;
  object-fit: cover;
  border-radius: 5px;
  border: 2px solid #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.envelope-polaroid-mini span {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--accent-rose-dark);
}

/* Photo Upload Dropzone in /write */
.polaroid-upload-box {
  border: 2px dashed rgba(229, 140, 165, 0.5);
  background: rgba(255, 249, 251, 0.8);
  border-radius: 18px;
  padding: 1.25rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.polaroid-upload-box:hover {
  border-color: var(--accent-rose-dark);
  background: #fff5f8;
}

/* Floating Petals Container */
#petals-container {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  overflow: hidden;
}

.petal {
  position: absolute;
  top: -40px;
  border-radius: 150% 0 150% 0;
  opacity: 0.55;
  pointer-events: none;
  animation: fallPetal linear infinite;
}

@keyframes fallPetal {
  0% {
    transform: translateY(-5vh) translateX(0) rotate(0deg);
    opacity: 0;
  }
  12% {
    opacity: 0.65;
  }
  88% {
    opacity: 0.65;
  }
  100% {
    transform: translateY(105vh) translateX(90px) rotate(360deg);
    opacity: 0;
  }
}

/* Top Navigation Bar */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  background: rgba(253, 248, 245, 0.86);
  border-bottom: 1px solid var(--border-soft);
  padding: 0.85rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  text-decoration: none;
  color: var(--text-main);
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.brand-badge {
  font-family: var(--font-sans);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(229, 140, 165, 0.16);
  color: var(--accent-rose-dark);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.nav-link {
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.48rem 0.9rem;
  border-radius: 999px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.nav-link:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.7);
  border-color: var(--border-soft);
}

.nav-link.active {
  background: #fff;
  color: var(--accent-rose-dark);
  border-color: rgba(229, 140, 165, 0.4);
  box-shadow: 0 2px 10px rgba(229, 140, 165, 0.12);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-sans);
  font-size: 0.94rem;
  font-weight: 600;
  padding: 0.78rem 1.45rem;
  min-height: 44px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary {
  background: linear-gradient(135deg, #e78ca6 0%, #d47292 100%);
  color: #fff;
  box-shadow: 0 8px 20px -4px rgba(212, 114, 146, 0.45);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 26px -4px rgba(212, 114, 146, 0.58);
}

.btn-secondary {
  background: #fff;
  color: var(--text-main);
  border: 1px solid var(--border-soft);
  box-shadow: 0 4px 12px rgba(92, 55, 72, 0.05);
}

.btn-secondary:hover {
  transform: translateY(-2px);
  border-color: var(--accent-rose);
  color: var(--accent-rose-dark);
}

.btn-sm {
  padding: 0.45rem 0.95rem;
  font-size: 0.82rem;
  min-height: 38px;
}

/* Main Content Wrapper */
.page-container {
  position: relative;
  z-index: 5;
  max-width: 1180px;
  margin: 0 auto;
  padding: 2rem 1.25rem 5rem;
}

/* Hero Banner on /for-her */
.birthday-hero {
  text-align: center;
  max-width: 780px;
  margin: 0.5rem auto 2.75rem;
  padding: 2.75rem 1.75rem;
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 32px;
  box-shadow: var(--shadow-soft);
  position: relative;
  overflow: hidden;
}

.birthday-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 5px;
  background: linear-gradient(90deg, #f6c2d0, #d6c4f0, #f9d5b8, #c5e0cc, #f6c2d0);
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent-rose-dark);
  background: rgba(229, 140, 165, 0.14);
  padding: 0.35rem 1rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.hero-title {
  font-family: var(--font-serif);
  font-size: clamp(2.2rem, 5.5vw, 3.85rem);
  font-weight: 700;
  line-height: 1.12;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.hero-recipient {
  font-family: var(--font-hand);
  font-size: clamp(1.9rem, 4.5vw, 2.9rem);
  color: var(--accent-rose-dark);
  margin-bottom: 0.9rem;
  display: block;
}

.hero-subtitle {
  font-size: 1.02rem;
  color: var(--text-muted);
  max-width: 580px;
  margin: 0 auto 1.35rem;
}

.hero-quote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 1.15rem;
  color: var(--text-main);
  background: rgba(253, 244, 247, 0.85);
  border: 1px dashed rgba(229, 140, 165, 0.4);
  padding: 0.95rem 1.35rem;
  border-radius: 18px;
  max-width: 620px;
  margin: 0 auto 1.5rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.86rem;
  color: var(--text-muted);
}

.hero-stat-pill {
  background: #fff;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-weight: 500;
}

/* Filter & Search Bar */
.filter-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 1.75rem;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(8px);
  padding: 0.85rem 1.1rem;
  border-radius: 20px;
  border: 1px solid var(--border-soft);
}

.filter-tabs {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.filter-tab {
  background: transparent;
  border: 1px solid transparent;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
}

.filter-tab.active {
  background: var(--accent-rose);
  color: #fff;
}

.search-input-wrap {
  position: relative;
  min-width: 220px;
  flex: 1;
  max-width: 320px;
}

.search-input {
  width: 100%;
  padding: 0.58rem 1rem 0.58rem 2.35rem;
  border-radius: 999px;
  border: 1px solid var(--border-soft);
  background: #fff;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  color: var(--text-main);
  outline: none;
}

.search-input:focus {
  border-color: var(--accent-rose);
  box-shadow: 0 0 0 3px rgba(229, 140, 165, 0.15);
}

.search-icon {
  position: absolute;
  left: 0.85rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 0.9rem;
}

/* Envelope Grid */
.envelopes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.65rem;
}

/* Interactive Pastel Envelope Card */
.envelope-card {
  position: relative;
  border-radius: 22px;
  padding: 1.35rem;
  cursor: pointer;
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--shadow-soft);
  border: 2px solid transparent;
  overflow: hidden;
  min-height: 235px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.envelope-card:hover {
  transform: translateY(-6px) rotate(-0.4deg);
  box-shadow: var(--shadow-hover);
}

.envelope-card.pinned-card {
  border-width: 2px;
  box-shadow: 0 16px 38px -8px rgba(212, 114, 146, 0.25);
}

/* Envelope Color Themes */
.env-theme-blush {
  background: var(--env-blush-bg);
  border-color: var(--env-blush-border);
  --flap-color: var(--env-blush-flap);
  --paper-color: var(--env-blush-paper);
}
.env-theme-lavender {
  background: var(--env-lavender-bg);
  border-color: var(--env-lavender-border);
  --flap-color: var(--env-lavender-flap);
  --paper-color: var(--env-lavender-paper);
}
.env-theme-peach {
  background: var(--env-peach-bg);
  border-color: var(--env-peach-border);
  --flap-color: var(--env-peach-flap);
  --paper-color: var(--env-peach-paper);
}
.env-theme-sage {
  background: var(--env-sage-bg);
  border-color: var(--env-sage-border);
  --flap-color: var(--env-sage-flap);
  --paper-color: var(--env-sage-paper);
}
.env-theme-sky {
  background: var(--env-sky-bg);
  border-color: var(--env-sky-border);
  --flap-color: var(--env-sky-flap);
  --paper-color: var(--env-sky-paper);
}
.env-theme-cream {
  background: var(--env-cream-bg);
  border-color: var(--env-cream-border);
  --flap-color: var(--env-cream-flap);
  --paper-color: var(--env-cream-paper);
}

/* Decorative Envelope Flap Backside Line */
.envelope-flap-decor {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 92px;
  background: var(--flap-color);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
  opacity: 0.72;
  transition: transform 0.35s ease;
  transform-origin: top center;
  pointer-events: none;
}

.envelope-card:hover .envelope-flap-decor {
  transform: scaleY(0.88);
}

/* Inner Paper Peek */
.envelope-paper-peek {
  position: relative;
  z-index: 2;
  background: var(--paper-color, #fff);
  border-radius: 16px;
  padding: 1.2rem;
  margin-top: 0.35rem;
  box-shadow: 0 4px 15px rgba(61, 44, 53, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.9);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.envelope-card:hover .envelope-paper-peek {
  transform: translateY(-4px);
}

.envelope-top-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

/* Postage Stamp Box */
.stamp-frame {
  width: 54px;
  height: 62px;
  background: #fff;
  border: 2px dotted rgba(165, 142, 153, 0.55);
  border-radius: 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.05);
  flex-shrink: 0;
  position: relative;
}

.stamp-frame svg {
  width: 32px;
  height: 32px;
}

.stamp-label {
  font-size: 0.55rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-light);
  font-weight: 700;
  margin-top: 2px;
}

.postmark {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
}

.relationship-pill {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  padding: 0.2rem 0.65rem;
  border-radius: 999px;
  background: rgba(229, 140, 165, 0.15);
  color: var(--accent-rose-dark);
  margin-bottom: 0.3rem;
}

.sender-name {
  font-family: var(--font-serif);
  font-size: 1.38rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.2;
}

.letter-teaser-title {
  font-family: var(--font-hand);
  font-size: 1.22rem;
  color: var(--text-muted);
  margin: 0.3rem 0 0.65rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.envelope-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 0.75rem;
  padding-top: 0.6rem;
  border-top: 1px dashed rgba(165, 142, 153, 0.25);
  font-size: 0.8rem;
  color: var(--text-muted);
}

.open-prompt {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 600;
  color: var(--accent-rose-dark);
}

.sticker-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 3px 8px rgba(0, 0, 0, 0.08);
  transform: rotate(8deg);
}

.sticker-badge svg {
  width: 22px;
  height: 22px;
}

.read-status-dot {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 4;
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.18rem 0.55rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--accent-rose-dark);
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
}

.read-status-dot.opened {
  color: var(--text-light);
  font-weight: 500;
}

/* Letter Reading Modal (Stationery / Polaroid Card) */
.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background: rgba(48, 30, 39, 0.52);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.modal-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.letter-modal {
  width: 100%;
  max-width: 680px;
  max-height: 90vh;
  overflow-y: auto;
  border-radius: 28px;
  padding: 2.25rem 2rem;
  background: #fffdf9;
  box-shadow: 0 28px 60px -12px rgba(45, 22, 34, 0.32);
  border: 2px solid var(--border-soft);
  position: relative;
  transform: translateY(24px) scale(0.96);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

.modal-backdrop.open .letter-modal {
  transform: translateY(0) scale(1);
}

.modal-close-btn {
  position: sticky;
  top: 0;
  float: right;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 1px solid var(--border-soft);
  background: #fff;
  color: var(--text-main);
  font-size: 1.1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  z-index: 5;
}

.modal-close-btn:hover {
  background: var(--env-blush-bg);
}

.stationery-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding-bottom: 1.15rem;
  margin-bottom: 1.25rem;
  border-bottom: 1px dashed rgba(229, 140, 165, 0.45);
}

.stationery-title {
  font-family: var(--font-serif);
  font-size: clamp(1.55rem, 3.5vw, 2.15rem);
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.stationery-body {
  white-space: pre-wrap;
  line-height: 1.82;
  color: var(--text-main);
  margin: 1rem 0 1.5rem;
  padding: 1.35rem;
  background: rgba(255, 255, 255, 0.82);
  border-radius: 18px;
  border: 1px solid rgba(229, 140, 165, 0.2);
}

.font-style-serif {
  font-family: var(--font-serif);
  font-size: 1.26rem;
}

.font-style-handwritten {
  font-family: var(--font-hand);
  font-size: 1.52rem;
  line-height: 1.62;
}

.font-style-modern {
  font-family: var(--font-sans);
  font-size: 1.02rem;
}

.stationery-signature {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(229, 140, 165, 0.2);
}

.signature-from {
  font-family: var(--font-hand);
  font-size: 1.7rem;
  color: var(--accent-rose-dark);
}

.modal-nav-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px dashed var(--border-soft);
  gap: 0.5rem;
}

/* Writer Studio Layout (/write) */
.studio-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2rem;
  align-items: start;
}

@media (max-width: 920px) {
  .studio-grid {
    grid-template-columns: 1fr;
  }
}

.studio-panel {
  background: var(--surface-card);
  backdrop-filter: blur(12px);
  border-radius: 26px;
  padding: 1.75rem;
  border: 1px solid var(--border-soft);
  box-shadow: var(--shadow-soft);
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.78rem 1rem;
  border-radius: 14px;
  border: 1px solid rgba(165, 142, 153, 0.35);
  background: #fff;
  font-family: var(--font-sans);
  font-size: 1rem; /* 16px prevents iOS/Android auto-zoom on focus */
  color: var(--text-main);
  transition: all 0.2s ease;
  outline: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--accent-rose);
  box-shadow: 0 0 0 3px rgba(229, 140, 165, 0.18);
}

.form-textarea {
  min-height: 155px;
  resize: vertical;
  line-height: 1.65;
}

/* Swatch & Stamp Pickers */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(92px, 1fr));
  gap: 0.6rem;
}

.swatch-option {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 0.45rem;
  border-radius: 14px;
  border: 2px solid rgba(165, 142, 153, 0.22);
  background: #fff;
  cursor: pointer;
  font-family: var(--font-sans);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.swatch-option:hover {
  border-color: var(--accent-rose);
  transform: translateY(-2px);
}

.swatch-option.selected {
  border-color: var(--accent-rose-dark);
  background: #fff5f8;
  color: var(--accent-rose-dark);
  box-shadow: 0 4px 12px rgba(229, 140, 165, 0.2);
}

.color-circle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid rgba(0, 0, 0, 0.08);
}

.preview-sticky {
  position: sticky;
  top: 5.5rem;
}

/* Toast Notification */
.toast-msg {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translate(-50%, 20px);
  z-index: 600;
  background: #3d2c35;
  color: #fff;
  padding: 0.85rem 1.35rem;
  border-radius: 999px;
  font-size: 0.88rem;
  font-weight: 500;
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.25);
  opacity: 0;
  pointer-events: none;
  transition: all 0.25s ease;
  white-space: nowrap;
}

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

/* Admin Table / List & Drag-and-Drop Reordering */
.admin-letter-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.9rem;
  padding: 1.1rem;
  border-radius: 16px;
  background: #fff;
  border: 1.5px solid var(--border-soft);
  margin-bottom: 0.85rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.admin-letter-item.dragging {
  opacity: 0.55;
  border-color: var(--accent-rose-dark);
  box-shadow: 0 12px 28px rgba(212, 114, 146, 0.22);
}

.admin-letter-item.drag-over {
  border-top: 3px solid var(--accent-rose-dark);
  transform: translateY(2px);
}

.drag-handle {
  cursor: grab;
  user-select: none;
  color: var(--text-light);
  font-size: 1.25rem;
  padding: 0.2rem 0.4rem;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.drag-handle:hover {
  background: rgba(229, 140, 165, 0.12);
  color: var(--accent-rose-dark);
}

.order-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 28px;
  height: 26px;
  padding: 0 0.45rem;
  border-radius: 999px;
  background: rgba(229, 140, 165, 0.16);
  color: var(--accent-rose-dark);
  font-size: 0.75rem;
  font-weight: 700;
}

/* =====================================================
   POLAROID PHOTO FILTERS & VIDEO FRAMES
   ===================================================== */
.polaroid-filter-original {
  filter: none;
}

.polaroid-filter-golden {
  filter: sepia(0.28) saturate(1.38) contrast(1.06) brightness(1.04);
}

.polaroid-filter-dreamy {
  filter: brightness(1.09) contrast(0.92) saturate(1.22) hue-rotate(-8deg);
}

.polaroid-filter-vintage {
  filter: sepia(0.42) contrast(0.94) brightness(1.03) saturate(0.85);
}

.polaroid-filter-bw {
  filter: grayscale(1) contrast(1.16) brightness(1.03);
}

.polaroid-filter-cool {
  filter: brightness(1.06) saturate(1.14) hue-rotate(15deg) contrast(0.96);
}

.polaroid-video-frame {
  background: #ffffff;
  padding: 12px 12px 34px 12px;
  border-radius: 6px;
  box-shadow: 0 10px 28px rgba(61, 44, 53, 0.14), 0 2px 6px rgba(61, 44, 53, 0.08);
  border: 1px solid rgba(179, 157, 219, 0.35);
  max-width: 330px;
  margin: 1.25rem auto;
  transform: rotate(1.2deg);
  transition: transform 0.3s ease;
  position: relative;
}

.polaroid-video-frame:hover {
  transform: rotate(0deg) scale(1.01);
}

.polaroid-video-frame::before {
  content: '';
  position: absolute;
  top: -11px;
  left: 50%;
  transform: translateX(-50%) rotate(2deg);
  width: 92px;
  height: 24px;
  background: rgba(197, 177, 230, 0.65);
  border-left: 2px dotted rgba(255, 255, 255, 0.8);
  border-right: 2px dotted rgba(255, 255, 255, 0.8);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.polaroid-video {
  width: 100%;
  max-height: 300px;
  border-radius: 4px;
  display: block;
  background: #1f171b;
}

/* =====================================================
   FLOATING VINYL MUSIC PLAYER (honeybee — Olivia Rodrigo)
   ===================================================== */
.music-widget {
  position: fixed;
  bottom: 1.15rem;
  left: 1.15rem;
  z-index: 520;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.music-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border: 1.5px solid rgba(229, 140, 165, 0.45);
  padding: 0.45rem 0.85rem 0.45rem 0.5rem;
  border-radius: 999px;
  box-shadow: 0 10px 28px rgba(92, 45, 68, 0.18);
  cursor: pointer;
  transition: all 0.25s ease;
}

.music-pill:hover {
  transform: translateY(-2px);
  border-color: var(--accent-rose-dark);
}

.vinyl-disc {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: radial-gradient(circle at center, #f6c2d0 0%, #f6c2d0 24%, #2d1e26 26%, #3d2c35 60%, #1f141a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
  flex-shrink: 0;
}

.vinyl-disc.spinning {
  animation: spinVinyl 4s linear infinite;
}

@keyframes spinVinyl {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.music-info {
  display: flex;
  flex-direction: column;
  text-align: left;
  max-width: 175px;
}

.music-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent-rose-dark);
}

.music-track-name {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-main);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.music-btn-icon {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  border: none;
  background: rgba(229, 140, 165, 0.18);
  color: var(--accent-rose-dark);
  font-size: 0.82rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.music-drawer {
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  padding: 0.65rem;
  box-shadow: 0 12px 30px rgba(61, 44, 53, 0.18);
  width: 270px;
  display: none;
}

.music-drawer.open {
  display: block;
}

/* Android & Mobile Phone Optimizations */
@media (max-width: 640px) {
  .top-nav {
    padding: 0.65rem 0.95rem;
  }
  .brand-badge {
    display: none;
  }
  .page-container {
    padding: 1.25rem 0.9rem 5.5rem;
  }
  .birthday-hero {
    padding: 1.85rem 1.15rem;
    border-radius: 24px;
    margin-bottom: 1.75rem;
  }
  .envelopes-grid {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }
  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }
  .search-input-wrap {
    max-width: 100%;
  }
  .modal-backdrop {
    padding: 0.5rem;
    align-items: flex-end;
  }
  .letter-modal {
    padding: 1.5rem 1.15rem;
    border-radius: 24px 24px 16px 16px;
    max-height: 92vh;
  }
  .studio-panel {
    padding: 1.3rem 1.1rem;
    border-radius: 22px;
  }
  .admin-letter-item {
    flex-direction: column;
  }
  .intro-envelope-wrapper {
    height: 250px;
  }
  .intro-letter-card {
    height: 225px;
    padding: 1.1rem 0.95rem;
  }
  .intro-overlay.is-opening .intro-letter-card {
    transform: translateY(-120px);
    height: 270px;
  }
  .music-widget {
    bottom: 0.85rem;
    left: 0.85rem;
  }
}