:root {
  --bg: #fff5f7;
  --pink: #f06292;
  --pink-deep: #e91e8c;
  --pink-light: #fce4ec;
  --rose: #f48fb1;
  --gold: #f9a825;
  --gold-light: #ffd54f;
  --text: #3d1a2e;
  --text-light: #7b4f6a;
  --white: #ffffff;
  --card: rgba(255,255,255,0.88);
}

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

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Lato', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 10% 10%, rgba(240,98,146,0.22) 0%, transparent 50%),
    radial-gradient(ellipse at 90% 15%, rgba(249,168,37,0.12) 0%, transparent 40%),
    radial-gradient(ellipse at 50% 100%, rgba(233,30,140,0.12) 0%, transparent 50%),
    linear-gradient(160deg, #fff5f7 0%, #ffe4ec 50%, #fff0f5 100%);
  pointer-events: none;
  z-index: 0;
}

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

.heart-float {
  position: absolute;
  opacity: 0;
  animation: floatHeart linear infinite;
}

@keyframes floatHeart {
  0% { opacity: 0; transform: translateY(100vh) rotate(0deg) scale(0.5); }
  10% { opacity: 0.45; }
  90% { opacity: 0.15; }
  100% { opacity: 0; transform: translateY(-10vh) rotate(30deg) scale(1.2); }
}

.app {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px 80px;
}

header {
  text-align: center;
  padding: 44px 0 32px;
  animation: fadeDown 0.9s ease both;
}

.header-top {
  font-size: 11px;
  letter-spacing: 5px;
  color: var(--pink);
  text-transform: uppercase;
  margin-bottom: 10px;
  font-weight: 400;
}

.header-chinese {
  font-family: 'Noto Serif SC', serif;
  font-size: clamp(56px, 15vw, 88px);
  background: linear-gradient(135deg, var(--pink-deep), var(--pink), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  letter-spacing: 12px;
  filter: drop-shadow(0 4px 20px rgba(240,98,146,0.3));
  animation: shimmer 3s ease-in-out infinite alternate;
}

@keyframes shimmer {
  from { filter: drop-shadow(0 4px 15px rgba(240,98,146,0.2)); }
  to { filter: drop-shadow(0 4px 30px rgba(240,98,146,0.5)); }
}

.header-pinyin {
  font-family: 'Playfair Display', serif;
  font-size: clamp(16px, 4vw, 22px);
  font-style: italic;
  color: var(--pink);
  letter-spacing: 6px;
  margin-top: 2px;
  opacity: 0.8;
}

.header-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(17px, 4vw, 24px);
  font-style: italic;
  color: var(--pink-deep);
  margin-top: 8px;
  letter-spacing: 2px;
}

.header-sub {
  font-size: 13px;
  color: var(--text-light);
  margin-top: 6px;
  letter-spacing: 1px;
  font-weight: 300;
}

.header-divider {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 18px auto 0;
  max-width: 280px;
}

.header-divider::before,
.header-divider::after {
  content: '';
  flex: 1;
  height: 1.5px;
  background: linear-gradient(to right, transparent, var(--rose), transparent);
  border-radius: 2px;
}

.heart-icon {
  font-size: 26px;
  animation: heartbeat 1.4s ease-in-out infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.25); }
}

/* Upload pair */
.upload-pair {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  margin-bottom: 20px;
  animation: fadeUp 0.8s ease 0.3s both;
  filter: drop-shadow(0 8px 32px rgba(240,98,146,0.12));
}

.upload-slot {
  background: var(--card);
  border: 2.5px dashed var(--rose);
  padding: 28px 16px;
  text-align: center;
  cursor: pointer;
  position: relative;
  transition: all 0.3s ease;
  min-height: 210px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  backdrop-filter: blur(8px);
}

.upload-slot-1 { border-radius: 20px 0 0 20px; border-right: none; }
.upload-slot-2 { border-radius: 0 20px 20px 0; border-left: none; }

.upload-slot:hover, .upload-slot.dragover {
  border-color: var(--pink-deep);
  background: #fff0f5;
  transform: translateY(-3px);
}

.slot-label {
  font-size: 10px;
  letter-spacing: 3px;
  color: var(--pink);
  text-transform: uppercase;
  margin-bottom: 12px;
}

.slot-icon { font-size: 36px; margin-bottom: 8px; }

.slot-text {
  font-family: 'Playfair Display', serif;
  font-size: 15px;
  color: var(--text-light);
  font-style: italic;
  margin-bottom: 4px;
}

.slot-subtext {
  font-size: 11px;
  color: var(--rose);
  letter-spacing: 1px;
}

.slot-preview {
  width: 100%;
  height: 100%;
  position: absolute;
  inset: 0;
  object-fit: cover;
  opacity: 0.92;
}

.slot-remove {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--white);
  border: 2px solid var(--pink);
  color: var(--pink-deep);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2;
  opacity: 0;
  transition: opacity 0.2s;
  box-shadow: 0 2px 8px rgba(240,98,146,0.3);
}

.upload-slot:hover .slot-remove { opacity: 1; }

.slot-name-input {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255,255,255,0.92);
  border: none;
  border-top: 1.5px solid var(--rose);
  color: var(--text);
  font-family: 'Playfair Display', serif;
  font-size: 14px;
  font-style: italic;
  text-align: center;
  padding: 9px;
  outline: none;
  z-index: 2;
}

.slot-name-input::placeholder { color: var(--text-light); opacity: 0.5; }

.connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0 12px;
  gap: 8px;
  background: linear-gradient(to bottom, #fff5f7, #ffe4ec, #fff5f7);
  border-top: 2.5px dashed var(--rose);
  border-bottom: 2.5px dashed var(--rose);
}

.connector-heart { font-size: 28px; animation: heartbeat 1.4s ease-in-out infinite; }

.connector-text {
  font-family: 'Noto Serif SC', serif;
  font-size: 13px;
  background: linear-gradient(135deg, var(--pink-deep), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: 1px;
}

.btn-analyze {
  width: 100%;
  padding: 18px;
  background: linear-gradient(135deg, var(--pink-deep), var(--pink), var(--gold));
  background-size: 200% 200%;
  border: none;
  border-radius: 50px;
  color: var(--white);
  font-family: 'Playfair Display', serif;
  font-size: 17px;
  font-style: italic;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.3s ease;
  margin-bottom: 24px;
  box-shadow: 0 8px 32px rgba(233,30,140,0.3);
  animation: fadeUp 0.8s ease 0.5s both;
}

.btn-analyze:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(233,30,140,0.45);
}

.btn-analyze:disabled { opacity: 0.35; cursor: not-allowed; transform: none; box-shadow: none; }

/* Loading */
.loading { display: none; text-align: center; padding: 60px 24px; }
.loading.visible { display: block; animation: fadeIn 0.5s ease; }

.loading-hearts { display: flex; justify-content: center; gap: 10px; margin-bottom: 20px; }

.loading-heart {
  font-size: 28px;
  animation: bounce 1.2s ease-in-out infinite;
}

.loading-heart:nth-child(2) { animation-delay: 0.2s; }
.loading-heart:nth-child(3) { animation-delay: 0.4s; }

@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-14px); }
}

.loading-text {
  font-family: 'Playfair Display', serif;
  font-size: 20px;
  font-style: italic;
  color: var(--pink-deep);
  animation: pulse 2s ease-in-out infinite;
}

.loading-sub { font-size: 12px; color: var(--text-light); margin-top: 8px; letter-spacing: 1px; }

/* Result */
.result { display: none; animation: fadeIn 1s ease; }
.result.visible { display: block; }

.result-card {
  background: linear-gradient(135deg, #fff0f7, #fff8e1, #fff0f7);
  border-radius: 24px;
  padding: 32px 28px;
  margin-bottom: 20px;
  box-shadow: 0 8px 40px rgba(240,98,146,0.18);
  text-align: center;
  border: 2px solid rgba(240,98,146,0.2);
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '💕';
  position: absolute;
  font-size: 80px;
  top: -10px; right: -10px;
  opacity: 0.06;
}

.result-card::after {
  content: '✨';
  position: absolute;
  font-size: 80px;
  bottom: -10px; left: -10px;
  opacity: 0.06;
}

.result-couple {
  font-family: 'Playfair Display', serif;
  font-size: clamp(15px, 4vw, 21px);
  font-style: italic;
  color: var(--text);
  margin-bottom: 16px;
}

.result-score-label {
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--pink);
  text-transform: uppercase;
  margin-bottom: 8px;
}

.result-score {
  font-family: 'Playfair Display', serif;
  font-size: clamp(64px, 18vw, 96px);
  font-weight: 700;
  background: linear-gradient(135deg, var(--pink-deep), var(--pink), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  filter: drop-shadow(0 4px 12px rgba(240,98,146,0.25));
}

.result-score-pct { font-size: 28px; vertical-align: super; }

.result-hearts { font-size: 22px; margin-top: 12px; letter-spacing: 4px; }

.content-card {
  background: var(--card);
  border-radius: 20px;
  padding: 28px 24px;
  box-shadow: 0 4px 24px rgba(240,98,146,0.1);
  border: 1.5px solid rgba(240,98,146,0.15);
  backdrop-filter: blur(8px);
}

.result-content { font-size: 16px; line-height: 1.85; color: var(--text); }

.result-content h2 {
  font-family: 'Playfair Display', serif;
  font-size: 18px;
  font-style: italic;
  background: linear-gradient(135deg, var(--pink-deep), var(--gold));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin: 24px 0 12px;
  padding-bottom: 8px;
  border-bottom: 1.5px solid rgba(240,98,146,0.2);
}

.result-content h3 {
  font-family: 'Playfair Display', serif;
  font-size: 16px;
  color: var(--pink-deep);
  margin: 18px 0 8px;
  font-style: italic;
}

.result-content p { margin-bottom: 14px; }
.result-content strong { color: var(--pink-deep); font-weight: 700; }
.result-content em { font-style: italic; color: var(--text-light); }

.result-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 14px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 12px rgba(240,98,146,0.08);
  table-layout: fixed;
}

.result-content th:first-child,
.result-content td:first-child {
  width: 38%;
  font-weight: 700;
  vertical-align: middle;
  white-space: nowrap;
}

.result-content th:last-child,
.result-content td:last-child {
  width: 62%;
  vertical-align: top;
}

.result-content th {
  background: linear-gradient(135deg, rgba(240,98,146,0.12), rgba(249,168,37,0.08));
  color: var(--pink-deep);
  padding: 10px 14px;
  text-align: left;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-bottom: 1.5px solid rgba(240,98,146,0.2);
}

.result-content td {
  padding: 12px 14px;
  border-bottom: 1px solid rgba(240,98,146,0.08);
  color: var(--text);
  line-height: 1.6;
  font-size: 14px;
}

.result-content tr:last-child td { border-bottom: none; }
.result-content tr:hover td { background: rgba(240,98,146,0.04); }

.result-content blockquote {
  border-left: 3px solid var(--pink);
  padding: 10px 18px;
  margin: 16px 0;
  background: rgba(240,98,146,0.05);
  border-radius: 0 12px 12px 0;
  font-style: italic;
  color: var(--text-light);
}

.btn-download {
  width: 100%;
  margin-top: 16px;
  padding: 16px;
  background: linear-gradient(135deg, var(--pink-deep), var(--pink));
  border: none;
  border-radius: 50px;
  color: var(--white);
  font-family: 'Playfair Display', serif;
  font-size: 15px;
  font-style: italic;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.25s ease;
  box-shadow: 0 4px 16px rgba(233,30,140,0.25);
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(233,30,140,0.35);
}

.btn-reset {
  width: 100%;
  margin-top: 24px;
  padding: 16px;
  background: transparent;
  border: 2px solid var(--rose);
  border-radius: 50px;
  color: var(--pink-deep);
  font-family: 'Playfair Display', serif;
  font-size: 15px;
  font-style: italic;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all 0.25s ease;
}

.btn-reset:hover {
  background: var(--pink-light);
  border-color: var(--pink-deep);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(240,98,146,0.2);
}

footer {
  text-align: center;
  padding: 32px 0 0;
  font-size: 12px;
  letter-spacing: 2px;
  color: var(--text-light);
  opacity: 0.4;
  font-family: 'Playfair Display', serif;
  font-style: italic;
}

@keyframes fadeDown { from { opacity: 0; transform: translateY(-20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes pulse { 0%, 100% { opacity: 0.7; } 50% { opacity: 1; } }

@media (max-width: 500px) {
  .upload-pair { grid-template-columns: 1fr; }
  .upload-slot-1 { border-radius: 20px 20px 0 0; border-right: 2.5px dashed var(--rose); border-bottom: none; }
  .upload-slot-2 { border-radius: 0 0 20px 20px; border-left: 2.5px dashed var(--rose); border-top: none; }
  .connector { flex-direction: row; padding: 14px 0; border-top: none; border-bottom: none; border-left: 2.5px dashed var(--rose); border-right: 2.5px dashed var(--rose); }
}

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--rose); border-radius: 10px; }

#stripeModal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(61,26,46,0.7);
  backdrop-filter: blur(6px);
  z-index: 300;
  align-items: center;
  justify-content: center;
}
#stripeModal.visible { display: flex; }
#stripeModalBox {
  background: white;
  border-radius: 24px;
  max-width: 480px;
  width: 92%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(233,30,140,0.25);
}
#stripeModalHeader {
  background: linear-gradient(135deg, var(--pink-deep), var(--pink));
  color: white;
  padding: 20px 24px;
  border-radius: 24px 24px 0 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#stripeModalHeader h3 { font-family: 'Playfair Display', serif; font-size: 18px; font-weight: 700; }
#stripeModalClose {
  background: rgba(255,255,255,0.2);
  border: none;
  color: white;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 16px;
}
#stripeContainer { padding: 20px 24px 24px; }
#currency-row { display: flex; gap: 8px; margin-bottom: 16px; }
.curr-btn {
  flex: 1;
  padding: 8px;
  border-radius: 50px;
  border: 1.5px solid var(--pink);
  background: var(--pink-light);
  color: var(--pink-deep);
  font-family: 'Lato', sans-serif;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
}
.curr-btn.inactive {
  border-color: rgba(240,98,146,0.2);
  background: transparent;
  color: var(--text-light);
  font-weight: 400;
}
#loadingStripe { text-align: center; padding: 30px; color: var(--text-light); font-style: italic; }

.email-gate{background:var(--card);border-radius:20px;padding:20px 24px;margin-bottom:16px;border:1.5px solid rgba(240,98,146,0.15);box-shadow:0 4px 20px rgba(240,98,146,0.08);}
.email-gate-title{font-family:'Playfair Display',serif;font-size:16px;font-style:italic;color:var(--pink-deep);margin-bottom:4px;}
.email-gate-sub{font-size:13px;color:var(--text-light);margin-bottom:14px;line-height:1.5;}
.email-gate-row{display:flex;gap:8px;}
.email-gate-input{flex:1;padding:13px 16px;border:1.5px solid rgba(240,98,146,0.25);border-radius:50px;font-family:Lato,sans-serif;font-size:14px;color:var(--text);background:white;outline:none;}
.email-gate-input:focus{border-color:var(--pink);}
.email-gate-input.error{border-color:#e74c3c;}
.email-gate-note{font-size:11px;color:var(--text-light);opacity:0.5;margin-top:8px;}
.email-gate-confirmed{display:none;background:var(--pink-light);border-radius:12px;padding:8px 14px;font-size:13px;color:var(--pink-deep);margin-top:8px;align-items:center;gap:8px;}
.email-gate-confirmed.visible{display:flex;}
.pay-instructions{display:none;background:linear-gradient(135deg,#fff0f7,#fffbe6);border:2px solid rgba(240,98,146,0.2);border-radius:20px;padding:24px;margin-bottom:16px;text-align:center;}
.pay-instructions.visible{display:block;}
.share-section{text-align:center;margin-top:20px;}
.share-label{font-size:11px;letter-spacing:3px;color:var(--pink);text-transform:uppercase;margin-bottom:10px;}
.share-buttons{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;}
.btn-share{padding:10px 16px;border-radius:50px;border:1.5px solid rgba(240,98,146,0.2);background:var(--card);color:var(--text);font-family:Lato,sans-serif;font-size:13px;cursor:pointer;transition:all 0.2s;}
.btn-share:hover{background:var(--pink-light);border-color:var(--pink);}
.result-content table{table-layout:fixed;}
.result-content th:first-child,.result-content td:first-child{width:38%;font-weight:700;vertical-align:middle;white-space:nowrap;}
.result-content th:last-child,.result-content td:last-child{width:62%;vertical-align:top;}
.result-content td{padding:12px 14px;border-bottom:1px solid rgba(240,98,146,0.08);line-height:1.6;font-size:14px;}
@media(max-width:500px){.upload-slot{min-height:200px;}.btn-analyze{padding:20px;font-size:18px;}}

/* Shared accent for common components */
:root { --accent: var(--pink); --accent-deep: var(--pink-deep); --accent-light: var(--pink-light); }

/* Remove button always visible (phones have no hover) */
.slot-remove { opacity: 1; }