.page { align-items:center; }
.brand { justify-content:center; text-align:center; }
.brand,.card,.invitation,footer { margin-left:auto; margin-right:auto; }

.brand small { display: none; }
.scene { will-change: transform; }
.envelope-screen { position: relative; z-index: 2; width: min(680px,100%); min-height: min(720px,78svh); display: flex; flex-direction: column; align-items: center; justify-content: center; text-align: center; transition: opacity .55s ease, transform .55s ease; }
.envelope-eyebrow { margin: 0 0 12px; color: #f0d27f; font-size: var(--envelope-eyebrow-size,11px); font-weight: 800; letter-spacing: 4px; }
.envelope-screen h1 { margin: 0 0 38px; color: #fff; font-size: var(--envelope-title-size,42px); letter-spacing: 4px; text-shadow: 0 8px 28px rgba(0,10,60,.5); }
.envelope-button { position: relative; width: 270px; height: 190px; padding: 0; overflow: visible; border: 0; background: transparent; perspective: 1000px; filter: drop-shadow(0 24px 28px rgba(0,8,50,.38)); }
.envelope-back,.envelope-front,.envelope-flap,.envelope-letter,.envelope-button>i { position: absolute; left: 0; width: 100%; }
.envelope-back { inset: 28px 0 0; border-radius: 12px; background: #c89b3e; }
.envelope-letter { left: 22px; top: 40px; width: calc(100% - 44px); height: 120px; display: grid; place-items: center; border-radius: 8px; background: #fffaf0; color: #b18631; transition: transform .9s cubic-bezier(.2,.85,.25,1), opacity .6s ease; }
.envelope-letter b { width: 46px; height: 46px; display: grid; place-items: center; border: 1px solid #d6ae5a; border-radius: 50%; font-size: var(--envelope-seal-size,16px); }
.envelope-front { top: 28px; height: 162px; border-radius: 12px; background: linear-gradient(145deg,#e2b85d,#c49334); clip-path: polygon(0 28%,50% 70%,100% 28%,100% 100%,0 100%); }
.envelope-flap { top: 28px; height: 116px; border-radius: 12px 12px 0 0; background: linear-gradient(160deg,#f0cc79,#d5a548); clip-path: polygon(0 0,100% 0,50% 100%); transform-origin: top; transition: transform .7s cubic-bezier(.2,.7,.2,1); z-index: 3; }
.envelope-button>i { left: 50%; top: 92px; width: 46px; height: 46px; display: grid; place-items: center; transform: translateX(-50%); border-radius: 50%; background: #12307d; color: #f2d27e; font-size: var(--envelope-seal-size,16px); font-style: normal; z-index: 4; transition: opacity .25s ease; }
.envelope-button:hover { transform: translateY(-3px); }
.envelope-screen.opening .envelope-flap { transform: rotateX(175deg); }
.envelope-screen.opening .envelope-letter { transform: translateY(-105px) scale(1.04); }
.envelope-screen.opening .envelope-button>i { opacity: 0; }
.envelope-screen.revealing { opacity: 0; transform: translateY(-18px) scale(.96); }
.envelope-hint { margin: 30px 0 0; color: #d7e1ff; font-size: var(--envelope-hint-size,12px); animation: hintPulse 2s ease-in-out infinite; }
@keyframes hintPulse { 50% { opacity: .55; transform: translateY(3px); } }
.invitation { position: relative; z-index: 1; width: min(760px,100%); margin: 8px 0 34px; padding: 0; overflow: visible; background: transparent; text-align: center; }
.invitation-page { position: relative; min-height: min(860px,88svh); margin-bottom: 24px; padding: 48px 34px; display: grid; place-items: center; overflow: hidden; border: 1px solid rgba(240,211,137,.62); border-radius: 24px; background-color: rgba(5,26,101,.91); background-position: center; background-size: cover; box-shadow: 0 28px 80px rgba(0,10,60,.4); opacity: 0; transition: opacity .8s ease, transform .9s cubic-bezier(.2,.75,.2,1); }
.invitation-page::before { content:""; position:absolute; inset:0; background:linear-gradient(180deg,rgba(2,15,71,.22),rgba(2,16,75,.8)); }
.invitation-page.has-image { min-height: 0; aspect-ratio:9/16; padding: 0; background: #050b24; }
.invitation-page.has-image::before { display: none; }
.invitation-page-image { position:absolute; inset:0; z-index:1; width:100%; height:100%; display:block; object-fit:cover; object-position:var(--invitation-image-x,50%) var(--invitation-image-y,50%); transform-origin:var(--invitation-image-x,50%) var(--invitation-image-y,50%); transform:scale(var(--invitation-image-scale,1)); }
.invitation-page-content { position:absolute; left:50%; top:var(--invitation-content-y,50%); z-index:3; width:min(560px,calc(100% - 68px)); padding:34px 28px; transform:translate(-50%,-50%); border-radius:20px; background:rgba(3,22,91,.62); color:var(--invitation-text-color,#fff); backdrop-filter:blur(8px); }
.invitation-page.has-image .invitation-page-content { width:min(560px,calc(100% - 40px)); background:transparent; backdrop-filter:none; text-shadow:0 3px 16px rgba(0,13,63,.95),0 1px 4px rgba(0,0,0,.9); }
.invitation-page small { color:var(--invitation-accent-color,#f0d27f); font-size:var(--invitation-eyebrow-size,10px); font-weight:800; letter-spacing:3px; }
.invitation-page h2 { margin:14px 0 20px; color:var(--invitation-text-color,#fff); font-size:var(--invitation-title-size,38px); line-height:1.25; letter-spacing:2px; }
.invitation-page p { margin:0; color:var(--invitation-text-color,#fff); font-size:var(--invitation-body-size,15px); line-height:2; white-space:pre-line; }
.invitation-page-meta { margin-top:28px; padding-top:20px; border-top:1px solid var(--invitation-accent-color,#f0d27f); color:var(--invitation-accent-color,#f0d27f); font-size:var(--invitation-meta-size,13px); font-weight:700; line-height:1.9; letter-spacing:1px; }
.invitation-page-meta span { display:block; }
.invitation-page-meta .location { white-space:pre-line; }
.invitation-page.fade-up { transform: translateY(70px); }.invitation-page.slide-left { transform: translateX(90px); }.invitation-page.slide-right { transform: translateX(-90px); }.invitation-page.zoom-in { transform: scale(.82); }.invitation-page.soft-reveal { transform: translateY(24px) scale(.96); filter: blur(8px); }
.invitation-page.is-visible { opacity:1; transform:none; filter:none; }
.floating-checkin { position: fixed; left: 50%; bottom: 12vh; z-index: 20; min-width: 190px; padding: 0 28px; transform: translateX(-50%); border: 1px solid rgba(255,255,255,.38); box-shadow: 0 16px 40px rgba(0,10,60,.4),0 0 0 7px rgba(210,168,74,.14); animation: ctaFloat 2.4s ease-in-out infinite; }
@keyframes ctaFloat { 50% { transform:translateX(-50%) translateY(-6px); } }
.page.invitation-mode { height: auto; min-height: 100svh; overflow: visible; align-items: center; justify-content: flex-start; padding-top: 24px; padding-bottom: 52px; }
.page.invitation-mode .brand { width: min(680px, 100%); }
.page.invitation-mode .card,.page.invitation-view .card { display:none; }
.page.checkin-only .envelope-screen,.page.checkin-only .invitation,.page.checkin-only .floating-checkin { display:none!important; }
.page.checkin-only .card { display:block; margin:auto 0; }
.venue-picker { min-width:0; margin:0; padding:0; border:0; }.venue-picker legend { margin-bottom:9px; color:#20346d; font-size:12px; font-weight:800; }.venue-options { display:grid; gap:8px; }.venue-option { position:relative; display:grid!important; grid-template-columns:20px 1fr; gap:10px!important; align-items:start; padding:11px 12px; border:1px solid #cbd6ee; border-radius:11px; background:#f8faff; cursor:pointer; transition:border-color .2s ease,background .2s ease,box-shadow .2s ease; }.venue-option:has(input:checked) { border-color:#c69a3b; background:#fff8e7; box-shadow:0 0 0 3px rgba(198,154,59,.13); }.venue-option input { width:18px!important; height:18px!important; margin:1px 0 0; padding:0!important; accent-color:#b88a2b; box-shadow:none!important; }.venue-option span { display:grid; gap:3px; }.venue-option b { color:#173277; font-size:12px; line-height:1.4; }.venue-option em { color:#66749a; font-size:11px; font-style:normal; line-height:1.55; }.ticket .venue-ticket { grid-column:1/-1; }.ticket .venue-ticket b { white-space:normal; line-height:1.45; }
.form label>span>em { font-style:normal; }.required-mark { color:#d83232; font-style:normal; font-weight:900; }
.result .seat-map-open-button { width:100%; margin-top:18px; background:#f2d27e; color:#102568; }
body.seat-map-open { overflow:hidden; }
.seat-map-modal { position:fixed; inset:0; z-index:1000; display:grid; grid-template-rows:auto minmax(0,1fr) auto; background:#05070d; color:#fff; overscroll-behavior:none; }
.seat-map-header { min-height:74px; padding:14px max(16px,env(safe-area-inset-left)) 11px; display:flex; align-items:center; justify-content:space-between; gap:14px; border-bottom:1px solid rgba(255,255,255,.12); background:#10131b; }
.seat-map-header h2 { margin:0 0 4px; font-size:18px; }.seat-map-header p { margin:0; color:#aeb6c8; font-size:11px; }
.seat-map-close { width:44px; min-width:44px; height:44px; padding:0; border-radius:50%; background:rgba(255,255,255,.12); color:#fff; font-size:28px; font-weight:400; }
.seat-map-viewport { position:relative; min-height:0; display:flex; align-items:flex-start; justify-content:center; overflow:hidden; touch-action:none; cursor:grab; background:#080a10; }
.seat-map-viewport.dragging { cursor:grabbing; }
.seat-map-viewport img { position:relative; flex:0 0 auto; max-width:none; max-height:none; width:100%; height:auto; display:block; user-select:none; -webkit-user-drag:none; image-rendering:auto; }
.seat-map-controls { min-height:70px; padding:10px 14px max(10px,env(safe-area-inset-bottom)); display:grid; grid-template-columns:48px minmax(110px,1fr) 66px 48px; gap:8px; align-items:center; border-top:1px solid rgba(255,255,255,.12); background:#10131b; }
.seat-map-controls button { height:44px; padding:0 10px; border-radius:10px; background:#d2a84a; color:#102568; font-size:14px; }
.seat-map-controls button:first-child,.seat-map-controls button:last-child { font-size:23px; }
.seat-map-controls output { color:#d9e1f4; text-align:center; font-size:12px; font-weight:800; }

@media (max-width: 700px) {
  .page { min-height: 100svh; overflow: auto; padding: 18px 14px 14px; }
  .scene { background-position: center center; }
  .card { margin-top: auto; margin-bottom: 0; }
  .event-head { padding: 21px 20px 17px; }
  .event-head h1 { font-size: 21px; }
  .form { padding: 18px 20px 21px; gap: 15px; }
  .envelope-screen { min-height: calc(100svh - 92px); }
  .envelope-button { width: 230px; height: 168px; }
  .envelope-front { height: 140px; }.envelope-flap { height: 102px; }.envelope-button>i { top: 82px; }
  .invitation { margin-top: 6px; }
  .invitation-page { min-height: 82svh; padding: 24px 16px; border-radius: 20px; }
  .invitation-page-content { width:calc(100% - 32px); padding:28px 20px; }
  .floating-checkin { bottom: 10vh; }
  .page.checkin-only .card { margin-top:auto; }
}