/* ========================================================
   11. LAVENDER WATERCOLOR THEME — POLISH & MICRO-INTERACTIONS
   ======================================================== */
.app-container {
  width: min(900px, 100vw);
  margin: 0 auto;
  padding: 20px 18px 60px;
  position: relative;
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* Theme layer: only color, texture and decorative treatment are changed here. */
body {
  color: var(--ink);
  background-color: #f7f3fb;
}

.app-container {
  background-color: #f7f3fb;
}

.section-title,
.card-title-main,
.family-names,
.announcement-text,
.person-fullname,
.ceremony-lead,
.ceremony-venue,
.ceremony-time-large,
.ceremony-date-box .date-col,
.ceremony-date-box .day-num,
.ceremony-date-box .year-num,
.reception-prompt,
.reception-highlight-hour,
.reception-date-box .date-col,
.reception-date-box .day-num,
.reception-date-box .year-num,
.sched-label,
.sched-hour,
.cal-title,
.calendar-grid-header,
.calendar-grid-days,
.countdown-title,
.count-pill .num,
.venue-name,
.timeline-time-badge,
.gb-card-title,
.wish-author,
.gift-heading-main,
.gift-modal-title,
.gift-person-title,
.gift-bank-name,
.gift-bank-number,
.rsvp-modal-title,
.rsvp-form-label,
.dresscode-card .card-heading,
.footer-title {
  color: var(--primary-navy);
}

/* Đồng nhất kích thước các tiêu đề section trên mọi màn hình. */
.section-title,
.card-title-main,
.countdown-title,
.gb-card-title,
.gift-heading-main {
  font-size: 18px !important;
}

.section-subtitle,
.family-label,
.family-addr,
.announcement-text span,
.person-role-tag,
.ceremony-time-lead,
.lunar-date-text,
.gallery-quote,
.reception-script-bl,
.reception-unified-wrapper .lunar-date-text,
.venue-address,
.count-pill .lbl,
.swatch-col-item .swatch-name,
.timeline-heading-text,
.timeline-desc,
.gb-card-subtitle,
.wish-time,
.wish-message,
.gift-deco-script,
.gift-open-prompt,
.gift-thankyou-text,
.gift-bank-owner,
.rsvp-modal-subtitle,
.dresscode-subtitle,
.dresscode-note,
.dresscode-name,
.footer-brand {
  color: var(--cream-sub);
}

.card-ceremony,
.calendar-card-box,
.card-guestbook-form-box,
.wish-item,
.gift-modal-box,
.gift-person-card,
.rsvp-modal-card {
  border-color: var(--border-card);
  box-shadow: var(--shadow-card);
}

.card-ceremony,
.calendar-card-box,
.card-guestbook-form-box,
.wish-item,
.gift-modal-box,
.rsvp-modal-card {
  background: rgba(255, 255, 255, 0.95);
}

.family-divider-vertical,
.ceremony-date-box .date-col-center,
.reception-date-box .date-col-center,
.sched-divider,
.map-embed-wrapper,
.gb-input,
.gb-textarea,
.rsvp-input,
.rsvp-select,
.rsvp-textarea,
.rsvp-choice-card .choice-box,
.gift-qr-card {
  border-color: rgba(155, 133, 194, 0.62);
}

.card-heart-divider .line,
.gb-heart-divider .line,
.gift-heart-divider .line,
.section-soft-divider,
.timeline-v-item:not(:last-child)::after,
.rsvp-divider span:not(.heart-icon) {
  background: linear-gradient(90deg, transparent, rgba(113, 84, 163, 0.52), transparent);
}

.card-heart-divider .heart-symbol,
.gb-heart-divider .heart-symbol,
.gift-heart-divider .heart-symbol,
.gift-deco-sparkle,
.rsvp-divider .heart-icon,
.couple-amp-symbol,
.cal-nav-arrow,
.sched-icon-circle,
.gb-feather-badge,
.timeline-dot {
  color: var(--primary-blue);
}

.card-floret-divider .line,
.card-floret-divider .line:last-child {
  background: linear-gradient(90deg, transparent, rgba(113, 84, 163, 0.48));
}

.card-floret-divider .line:last-child {
  background: linear-gradient(-90deg, transparent, rgba(113, 84, 163, 0.48));
}

.card-floret-divider circle:nth-child(-n+5) { fill: #9e87cb; }
.card-floret-divider circle:last-child { fill: #66509a; }
.gb-feather-badge svg { stroke: var(--primary-blue); }
.gift-deco-petal svg { fill: #947bc0; }

.timeline-dot {
  background: #fff;
  border-color: #9f88c9;
  box-shadow: 0 2px 6px rgba(79, 57, 126, 0.1);
}

.calendar-grid-days .wedding-day-highlight,
.rsvp-choice-card input[type="radio"]:checked + .choice-box,
.lang-btn.active {
  color: #fff;
  background: var(--primary-blue);
  border-color: var(--primary-blue);
}

.rsvp-choice-card input[type="radio"]:checked + .choice-box .choice-text {
  color: #ffffff;
}

.count-pill,
.rsvp-badge,
.gift-person-card,
.wish-suggest-item,
.gb-feather-badge,
.gift-modal-header {
  background: #f3eef9;
}

.btn-open,
.btn-direction,
.btn-rsvp-trigger,
.btn-gb-submit,
.btn-wish-random,
.rsvp-btn-submit,
.btn-save-qr,
.floating-music,
.lang-btn.active {
  background: linear-gradient(135deg, #8f78bc 0%, #60458f 100%);
  box-shadow: 0 8px 24px rgba(87, 61, 137, 0.28);
  color: #ffffff !important;
  border: none !important;
}

.btn-open *,
.btn-direction *,
.btn-rsvp-trigger *,
.btn-gb-submit *,
.btn-wish-random *,
.rsvp-btn-submit *,
.btn-save-qr * {
  color: #ffffff !important;
}

.btn-open:hover,
.btn-direction:hover,
.btn-rsvp-trigger:hover,
.btn-gb-submit:hover,
.btn-wish-random:hover,
.rsvp-btn-submit:hover,
.btn-save-qr:hover,
.floating-music:hover,
.btn-open:active,
.btn-direction:active,
.btn-rsvp-trigger:active,
.btn-gb-submit:active,
.btn-wish-random:active,
.rsvp-btn-submit:active,
.btn-save-qr:active {
  background: linear-gradient(135deg, #a18bca 0%, #70549f 100%);
  box-shadow: 0 10px 28px rgba(87, 61, 137, 0.38);
  color: #ffffff !important;
  border: none !important;
  outline: none !important;
}

.btn-calendar-add,
.btn-copy-acc,
.lang-trigger-btn,
.lang-dropdown {
  color: var(--primary-navy);
  border-color: rgba(142, 119, 183, 0.62);
}

.btn-copy-acc { background: #eee8f7; }
.btn-copy-acc:hover { background: #e2d9f1; }

.gb-input:focus,
.gb-textarea:focus,
.rsvp-input:focus,
.rsvp-select:focus,
.rsvp-textarea:focus {
  border-color: #8065ad;
  box-shadow: 0 0 0 3px rgba(128, 101, 173, 0.12);
}

.envelope-card {
  box-shadow: 0 24px 60px rgba(79, 57, 126, 0.17), 0 6px 18px rgba(0, 0, 0, 0.04);
}

.envelope-inner-frame {
  border-color: rgba(145, 121, 185, 0.66);
}

.envelope-kicker,
.envelope-name-line,
.envelope-date,
.envelope-quote,
.envelope-divider .heart-icon {
  color: var(--primary-navy);
}

.envelope-name-amp .amp-char,
.gift-modal-close,
.rsvp-modal-close {
  color: var(--primary-blue);
}

.envelope-name-amp .amp-line,
.envelope-divider .line {
  background: rgba(111, 84, 160, 0.48);
}

.hero-flower-left,
.hero-flower-right,
.hero-bottom-floral,
.envelope-corner-flower,
.card-corner-flower-tl,
.card-corner-flower-br,
.gallery-flower-tl,
.gallery-flower-br,
.reception-flower-ml,
.reception-flower-br,
.gb-flower-tr {
  filter: drop-shadow(0 7px 16px rgba(76, 52, 119, 0.13));
}

body:not(.invite-open):not(.invite-opening) .app-container {
  opacity: 0;
  transform: translateY(20px);
}

body.invite-opening .app-container,
body.invite-open .app-container {
  opacity: 1;
  transform: translateY(0);
}

/* Modal and Lightbox base rules — Elegant Transparent White Glass Theme */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  box-sizing: border-box;
  background: rgba(255, 255, 255, 0.22);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 3000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px 14px;
  margin: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
  user-select: none;
  overflow: hidden;
}

.lightbox-modal.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-content {
  position: relative;
  width: 100%;
  max-width: 520px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  box-sizing: border-box;
  z-index: 3005;
}

.lightbox-img-wrapper {
  position: relative;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
}

.lightbox-modal img {
  display: block;
  max-width: min(88vw, 440px);
  max-height: 72vh;
  width: auto;
  height: auto;
  margin: 0 auto;
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(37, 71, 109, 0.16), 0 4px 12px rgba(0, 0, 0, 0.06);
  border: 3.5px solid #ffffff;
  object-fit: contain;
  box-sizing: border-box;
  transition: opacity 0.22s ease, transform 0.22s ease;
}

.lightbox-footer {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 14px;
}

.lightbox-counter {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 30px;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 14px rgba(37, 71, 109, 0.12);
  color: #24466b;
  font-family: var(--font-title, 'Montserrat', sans-serif);
  font-size: 0.92rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-shadow: none;
}

.lightbox-btn-step {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 14px rgba(37, 71, 109, 0.12);
  color: #24466b;
  font-size: 1.15rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.lightbox-btn-step:hover {
  background: #ffffff;
  color: #17365d;
  transform: scale(1.1);
  box-shadow: 0 6px 18px rgba(37, 71, 109, 0.18);
}

.lightbox-close {
  position: absolute;
  top: max(16px, env(safe-area-inset-top));
  right: max(16px, env(safe-area-inset-right));
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.75);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.95);
  box-shadow: 0 4px 14px rgba(37, 71, 109, 0.12);
  color: #24466b;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3020;
  transition: all 0.2s ease;
}

.lightbox-close:hover {
  background: #ffffff;
  color: #e74c3c;
  transform: scale(1.1);
  box-shadow: 0 6px 18px rgba(37, 71, 109, 0.18);
}

.lightbox-nav-desktop {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid rgba(195, 215, 235, 0.85);
  box-shadow: 0 6px 18px rgba(37, 71, 109, 0.12);
  color: #24466b;
  font-size: 1.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 3010;
  transition: all 0.2s ease;
}

.lightbox-nav-desktop:hover {
  background: #ffffff;
  color: #17365d;
  transform: translateY(-50%) scale(1.12);
  box-shadow: 0 8px 22px rgba(37, 71, 109, 0.2);
}

.lightbox-prev {
  left: -68px;
}

.lightbox-next {
  right: -68px;
}

@media (max-width: 768px) {
  .lightbox-nav-desktop {
    display: none;
  }
}