/* Message Phase 2: independent 3D transformation plus a CSS fallback. */
.message-recipient-body{--m-bg:#142c44;--m-bg2:#0d7077;--m-ribbon:#f0ca78;--m-ink:#183c59;--m-surface:#fffdf7;min-height:100dvh;background:radial-gradient(ellipse at 82% 6%,#247a7c9b,transparent 42%),radial-gradient(ellipse at 3% 80%,#0d688b66,transparent 45%),#10273c;color:#fff;margin:0;font-family:"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,system-ui,sans-serif}
.message-recipient-body *,#messagePanel *{box-sizing:border-box}
.message-recipient-body button,#messagePanel button{cursor:pointer;font:inherit}
.message-recipient-body button:focus-visible,#messagePanel button:focus-visible,#messagePanel textarea:focus-visible,#messagePanel input:focus-visible{outline:3px solid #e8be5c;outline-offset:3px}
.message-recipient-body [hidden],#messagePanel [hidden]{display:none!important}
html[data-theme=sweet] .message-recipient-body,.message-gift-scene[data-theme=sweet]{--m-bg:#c4779b;--m-bg2:#f7d8e5;--m-ribbon:#fff2d3;--m-ink:#7d335b;--m-surface:#fff6f9}
html[data-theme=celebration] .message-recipient-body,.message-gift-scene[data-theme=celebration]{--m-bg:#8c233c;--m-bg2:#bf4659;--m-ribbon:#efd078;--m-ink:#713148;--m-surface:#fffaf0}

html.message-modal-open,html.message-modal-open body{overflow:hidden}
.message-modal{position:fixed;inset:0;z-index:1400;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 50% 10%,#ffedb626,transparent 24%),linear-gradient(180deg,#07192b9f,#061522e6);backdrop-filter:blur(9px)}
.message-modal-shell{position:relative;width:min(100%,700px);max-height:min(88dvh,800px);overflow:auto;border-radius:28px;padding:26px 18px 18px;background:linear-gradient(145deg,rgba(255,255,255,.24),rgba(255,255,255,.08));border:1px solid rgba(255,255,255,.28);box-shadow:0 28px 90px rgba(4,19,31,.55),inset 0 1px 0 rgba(255,255,255,.28);isolation:isolate}
.message-modal-shell::before{content:"";position:absolute;inset:10px;border-radius:22px;padding:1px;background:linear-gradient(135deg,rgba(255,241,191,.92),rgba(255,255,255,.24),rgba(239,201,113,.85));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;opacity:.9}
.message-modal-shell::after{content:"";position:absolute;left:50%;top:16px;transform:translateX(-50%);width:min(84%,520px);height:88px;border-radius:999px;background:radial-gradient(circle,rgba(255,243,199,.38),transparent 72%);pointer-events:none;filter:blur(8px);opacity:.9}
.message-modal-close{position:sticky;top:0;float:right;z-index:3;width:46px;height:46px;border-radius:999px;border:1px solid rgba(223,196,126,.82);background:linear-gradient(145deg,#fffef9,#f8ecd0);color:#173658;font-size:28px;line-height:1;box-shadow:0 10px 22px rgba(8,26,40,.18)}
.message-modal-close:hover{filter:brightness(1.04)}
.message-modal .message-letter,.message-modal .bonus-note{position:relative;z-index:1;margin:18px auto 0}
.message-modal-letter .message-letter{max-width:610px;max-height:none;overflow:visible;box-shadow:0 24px 66px rgba(3,27,42,.22),0 0 0 1px rgba(255,248,217,.55) inset}
.message-modal-bonus{width:min(100%,580px)}
.message-modal-bonus::before,.message-modal-bonus::after{content:"✦";position:absolute;z-index:1;font-size:34px;line-height:1;color:#f6d57f;text-shadow:0 0 16px rgba(255,239,186,.75);animation:bonusSparkleFlash 1.2s ease-out both}
.message-modal-bonus::before{top:36px;left:34px}
.message-modal-bonus::after{right:34px;top:72px;animation-delay:.12s}
@media(max-width:520px){.message-modal{padding:12px}.message-modal-shell{padding:19px 12px 12px;border-radius:20px}.message-modal-shell::before{inset:8px;border-radius:16px}.message-modal-close{width:40px;height:40px;font-size:24px}}
/* Recipient screen */
.recipient-shell{width:min(100% - 30px,800px);margin:0 auto;padding:clamp(18px,4vw,46px) 0;min-height:100dvh;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:12px}
.message-kicker{font-size:10px;color:#edcb7e;font-weight:900;letter-spacing:.21em;text-align:center}
.recipient-screen{width:100%;border:1px solid #ffffff43;border-radius:27px;padding:clamp(22px,5vw,42px);text-align:center;background:linear-gradient(145deg,#ffffff18,#ffffff05);box-shadow:0 22px 75px #0819258c;overflow:hidden}
.recipient-screen h1{font-size:clamp(23px,5vw,36px);line-height:1.5;letter-spacing:.02em;margin:8px 0 12px}.recipient-eyebrow{font-size:10px;font-weight:900;letter-spacing:.21em;color:#ecd08a;margin:0}.recipient-sub{font-size:14px;line-height:1.8;color:#e3eef3;margin:10px auto 18px}
.message-main-button,.message-sub-button{border:1px solid #dfc47e;border-radius:999px;padding:14px 24px;min-height:50px;background:linear-gradient(120deg,#ffe9a9,#dfb959);font-size:14px;font-weight:900;color:#263e51;box-shadow:0 8px 21px #06192638;max-width:100%}.message-sub-button{background:#ffffffed;color:#204a63;border-color:#fff}.recipient-home{color:#bcd1dc;font-size:11px;margin-top:4px;text-underline-offset:3px}.recipient-error{width:100%;padding:22px;border-radius:15px;background:#fff4e9;color:#9c3624;line-height:1.7}.message-phase-note{font-size:10px;color:#bfd5df;line-height:1.7;margin:18px auto 0}
/* CSS gift is retained only as a WebGL-loading / unsupported-device fallback. */
.message-gift-scene{--m-bg:#142c44;--m-bg2:#0d7077;--m-ribbon:#f0ca78;--m-ink:#183c59;--m-surface:#fffdf7;display:grid;place-items:center;position:relative;min-height:260px;width:100%;isolation:isolate;overflow:hidden;border-radius:18px;background:radial-gradient(ellipse at 50% 40%,#ffffff43,transparent 60%),linear-gradient(130deg,#d4f3f0,#d3e8f3 52%,#faf3e0)}
.message-gift-scene:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 17% 25%,white 0 2px,transparent 3px),radial-gradient(circle at 82% 30%,white 0 3px,transparent 4px),radial-gradient(circle at 66% 75%,white 0 2px,transparent 3px);pointer-events:none}
.message-gift{width:150px;height:143px;position:relative;filter:drop-shadow(0 19px 16px #15344b39);transform:perspective(800px) rotateY(-12deg);flex:none}
.message-gift-body{position:absolute;inset:31px 0 0;border-radius:3px 3px 13px 13px;background:linear-gradient(115deg,var(--m-bg),var(--m-bg2));box-shadow:inset -9px 0 16px #0b1b302d,inset 8px 0 16px #ffffff19}
.message-gift-lid{position:absolute;z-index:2;left:-8px;right:-8px;top:20px;height:36px;border-radius:7px;background:linear-gradient(125deg,var(--m-bg),var(--m-bg2));box-shadow:0 5px 8px #07182a36}
.message-gift-ribbon-v{position:absolute;z-index:3;top:20px;bottom:0;width:26px;left:calc(50% - 13px);background:linear-gradient(90deg,#b48b41,var(--m-ribbon) 40%,#ffe9a3 68%,#bd9a59);box-shadow:0 0 5px #b38e4b48}
.message-gift-ribbon-h{position:absolute;z-index:3;top:34px;left:-8px;right:-8px;height:18px;background:linear-gradient(#fff3ba,var(--m-ribbon),#b98f42)}
.message-gift-bow{position:absolute;z-index:4;left:50%;top:-7px;transform:translateX(-50%);width:60px;height:44px;font-size:34px;line-height:1.1;color:var(--m-ribbon);text-shadow:0 2px 3px #6043218c,1px 0 #fff8;display:grid;place-items:center}
.message-gift-bow:before,.message-gift-bow:after{content:"";position:absolute;top:13px;left:-16px;width:36px;height:17px;border:6px solid var(--m-ribbon);border-radius:80% 20% 80% 30%;transform:rotate(36deg)}.message-gift-bow:after{left:auto;right:-16px;transform:rotate(-36deg) scaleX(-1)}
.message-letter{max-width:610px;text-align:center;overflow-wrap:anywhere;margin:18px auto;padding:clamp(24px,6vw,52px);background:#fffdf7;color:#173658;border:1px solid #caaa69;border-radius:14px;box-shadow:0 17px 48px #031b2a4a;line-height:1.85}.letter-top,.letter-bottom{display:block;font-size:10px;letter-spacing:.14em;font-weight:900;color:#b18b42}.letter-heart{font-size:34px;color:#c69e58;margin:8px}.message-letter h1{font-size:clamp(17px,4vw,25px)}.message-letter h1:empty,.message-letter #messageFrom:empty{display:none}.message-letter #messageBody{white-space:pre-wrap;font-size:clamp(15px,3.5vw,19px);line-height:1.95;margin:22px 0;border-top:1px solid #e2d2ad;border-bottom:1px solid #e2d2ad;padding:25px 0}.message-letter #messageFrom{text-align:right;font-size:14px;margin:12px 0 20px}
/* Creator panel */
#messagePanel .message-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
#messagePanel .message-wide{grid-column:1/-1}
#messagePanel .message-field{display:flex;flex-direction:column;gap:7px;min-width:0;color:#2a546a;font-size:12px;font-weight:900}
#messagePanel .message-field input,#messagePanel .message-field textarea{width:100%;min-width:0;padding:12px;border:1.5px solid #d7e4e9;border-radius:10px;background:#f9fcfc;color:#173658;font-size:14px;font-weight:500;line-height:1.6;resize:vertical}
#messagePanel .message-field textarea{min-height:117px}.message-count{text-align:right;font-size:10px;color:#637e8b}
#messagePanel .message-design-options{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;margin:6px 0 18px}
#messagePanel .message-design-options label{display:flex;flex-direction:column;gap:6px;min-width:0;border:1px solid #dae7e8;border-radius:11px;padding:8px;font-size:11px;font-weight:800;cursor:pointer}
#messagePanel .message-design-options label:has(input:checked){border:2px solid #0d9297;background:#effbfa}
#messagePanel .message-design-options input{accent-color:#078c90}
#messagePanel .message-design-options .message-design-swatch{height:22px;border-radius:5px;background:linear-gradient(115deg,#19354f,#11636c);border-top:5px solid #efc673}
#messagePanel .message-design-options label:nth-child(2) .message-design-swatch{background:linear-gradient(110deg,#bd749e,#f1c4d7);border-color:#fff0d6}
#messagePanel .message-design-options label:nth-child(3) .message-design-swatch{background:linear-gradient(110deg,#85253d,#d15158);border-color:#eac16e}
#messagePanel .message-visual-caption{text-align:center;font-size:12px;font-weight:800;color:#365c70;margin:10px auto}
#messagePanel .message-share-row{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}
#messagePanel .message-share-row button{flex:1 1 165px;background:white;border:1px solid #a7d0d6;border-radius:10px;padding:12px;color:#173658;font-weight:900}
#messagePanel #messageShareUrl{width:100%;font-size:11px;padding:10px;border:1px solid #c6dfe3;border-radius:10px;background:#f7fbfc;color:#173658}
#messagePanel .message-status.error{background:#fff0ea;color:#9a3b2b}
#messagePanel .message-privacy{font-size:11px;line-height:1.75;color:#607a89;margin:14px 0 0}
@media(max-width:520px){#messagePanel .message-fields{grid-template-columns:1fr}#messagePanel .message-design-options{gap:5px}#messagePanel .message-design-options label{font-size:10px;padding:6px}.recipient-screen{padding:20px 13px}.recipient-shell{width:min(100% - 18px,800px)}.message-gift-scene{min-height:215px}.message-gift{transform:perspective(700px) rotateY(-12deg) scale(.84)}}
@media(prefers-reduced-motion:reduce){.message-recipient-body *,#messagePanel *{scroll-behavior:auto!important;animation:none!important;transition:none!important}}
html[data-theme=sweet] .recipient-shell .message-gift-scene{--m-bg:#c4779b;--m-bg2:#f7d8e5;--m-ribbon:#fff2d3;--m-ink:#7d335b;--m-surface:#fff6f9}
html[data-theme=celebration] .recipient-shell .message-gift-scene{--m-bg:#8c233c;--m-bg2:#bf4659;--m-ribbon:#efd078;--m-ink:#713148;--m-surface:#fffaf0}

/* Phase 2: the new renderer occupies precisely the old preview stage. */
.message-3d-stage{height:clamp(250px,42vw,360px);min-height:0;touch-action:pan-y;position:relative}
.message-3d-stage .message-three-canvas{position:absolute;inset:0;z-index:2;width:100%;height:100%;touch-action:none}
.message-three-canvas canvas{display:block;width:100%;height:100%}
.message-3d-stage[data-three-ready="true"]>.message-gift{visibility:hidden}
/* The recipient's welcome screen must NEVER flash a present before the
   mascot has loaded. The gift fallback is only for the later opening screen. */
#recipientIntro .message-gift{display:none!important}
.recipient-mascot-loading{color:#32576d;font-size:14px;font-weight:800;letter-spacing:.035em;z-index:1}
#recipientThreeStage[data-three-ready="true"] .recipient-mascot-loading{display:none}
#recipientGift .recipient-mascot-loading{display:none}
#recipientGiftFallback{height:clamp(250px,42vw,360px)}
@media(max-width:520px){#recipientGiftFallback{height:260px}}
.message-gift-slot{width:100%;min-width:0}
.message-gift-slot .message-gift-scene{width:100%}
.message-3d-stage[data-three-ready="true"]::before{opacity:.32}
#recipientGift .message-sub-button{margin:9px auto 0;display:block}
#recipientGift .message-main-button{display:block;margin:10px auto 0}
#messagePanel .message-replay{display:block;margin:8px auto 16px;padding:10px 17px;background:#f1fbf9;color:#173658;border:1px solid #9ac6ca;border-radius:999px;font-weight:800}
#messagePanel .message-replay[hidden]{display:none}
@media(max-width:520px){.message-3d-stage{height:260px}.message-3d-stage .message-gift{transform:perspective(700px) rotateY(-12deg) scale(.84)}}

/* Phase 3: legible HTML letter floats out of the actual hinged 3D box. */
#recipientGift{position:relative}
#recipientGift .message-3d-stage{transition:height .55s ease}
#recipientGift.has-open-letter .message-3d-stage{height:clamp(180px,31vw,248px)}
#recipientGift .gift-letter-reveal{position:relative;z-index:4;width:min(100%,520px);margin:-66px auto 16px;
  border:1px solid #ddc17d;border-radius:17px;padding:clamp(20px,4.2vw,36px);
  box-shadow:0 21px 70px #0317287b,0 0 38px #fff0b36b;
  animation:messageLetterRise .85s cubic-bezier(.18,.83,.3,1) both;
  overflow-wrap:anywhere;max-height:min(67dvh,580px);overflow-y:auto;scrollbar-gutter:stable}
#recipientGift .gift-letter-reveal h2{font-size:clamp(19px,4.3vw,28px);line-height:1.5;margin:10px auto;color:#173658}
#recipientGift .gift-letter-reveal p{font-size:clamp(15px,3.6vw,19px);line-height:1.95;white-space:pre-wrap}
#recipientGift.has-open-letter::before{content:"✦  ✧  ✦";position:absolute;z-index:2;top:17%;left:0;right:0;
  color:#ffdfa1;letter-spacing:2.2em;text-shadow:0 0 14px #ffeab2;
  font-size:21px;pointer-events:none;animation:messageStars 2.4s ease both}
#recipientGift.css-open .message-gift-lid{transform:translateY(-42px) rotate(-18deg)}
#recipientGift.css-open .message-gift-bow{transform:translateY(-62px) scale(.12);opacity:0}
#recipientGift.css-open .message-gift-ribbon-v,#recipientGift.css-open .message-gift-ribbon-h{opacity:0}
#recipientGift.css-open .message-gift:after{content:"✦";position:absolute;z-index:3;top:-62px;left:45%;
  font-size:53px;color:#f5d784;text-shadow:0 0 22px #ffebc4;animation:messageStars 1.4s infinite alternate}
@keyframes messageLetterRise{from{opacity:0;transform:translate3d(0,94px,0) scale(.77);filter:blur(6px)}
  75%{filter:blur(0)}to{opacity:1;transform:translate3d(0,0,0) scale(1);filter:blur(0)}}
@keyframes messageStars{from{opacity:0;transform:translateY(24px) scale(.7)}to{opacity:1;transform:translateY(-18px) scale(1.1)}}
@media(max-width:520px){#recipientGift .gift-letter-reveal{margin:-32px auto 15px;padding:18px 16px;
  max-height:65dvh}#recipientGift.has-open-letter .message-3d-stage{height:205px}}
@media(prefers-reduced-motion:reduce){#recipientGift .gift-letter-reveal,#recipientGift.has-open-letter::before{animation:none!important}
  #recipientGift .message-3d-stage{transition:none}}
#messagePanel .message-event-actions{margin:8px 0 12px;display:flex;flex-wrap:wrap;gap:8px}
#messagePanel .message-event-actions button{min-height:44px;flex:1 1 170px;border:1px solid #a0c9cc;border-radius:999px;
  padding:9px 14px;background:#f1fbf9;color:#173658;font-weight:800}
#messagePanel #messagePreviewOpen{background:linear-gradient(100deg,#fff1bd,#e7c575);border-color:#cba75c}
#messagePanel #messagePreviewLetter{animation:messageLetterRise .7s cubic-bezier(.18,.83,.3,1) both;margin:12px 0}
#messagePanel #messagePreviewLetter h2{font-size:clamp(17px,4vw,25px);color:#173658}
#messagePanel #messagePreviewLetter p{white-space:pre-wrap;line-height:1.9;overflow-wrap:anywhere}
#messagePanel #messagePreviewLetter #messagePreviewFrom{text-align:right}
#messagePanel.css-open .message-gift-lid,#messagePanel .message-gift-scene.css-open .message-gift-lid{transform:translateY(-42px) rotate(-18deg)}
#messagePanel .message-gift-scene.css-open .message-gift-bow{opacity:0;transform:translateY(-62px) scale(.12)}
#messagePanel .message-gift-scene.css-open .message-gift-ribbon-v,#messagePanel .message-gift-scene.css-open .message-gift-ribbon-h{opacity:0}


/* Phase 3.5: bonus note after opening the gift. */
.bonus-note{position:relative;width:min(100%,520px);margin:10px auto 18px;padding:24px 20px 24px;border-radius:22px;background:linear-gradient(135deg,#fffdf7 0%,#fff5d9 42%,#f5dfaa 100%);color:#173658;border:1px solid rgba(223,193,123,.95);box-shadow:0 24px 60px rgba(6,23,37,.2),inset 0 1px 0 rgba(255,255,255,.75);overflow:hidden;animation:bonusAppear .8s cubic-bezier(.2,.88,.34,1) both}
.bonus-note::before{content:"";position:absolute;inset:0;background:linear-gradient(130deg,rgba(255,255,255,.5),transparent 34%,rgba(255,235,178,.2) 58%,transparent 72%);pointer-events:none}
.bonus-note::after{content:"";position:absolute;right:-18px;top:-18px;width:130px;height:130px;border-radius:50%;background:radial-gradient(circle,rgba(255,239,186,.62),transparent 68%);pointer-events:none;filter:blur(6px)}
.bonus-note .bonus-kicker{font-size:10px;font-weight:900;letter-spacing:.22em;color:#b18b42;margin-bottom:12px}
.bonus-note h2{font-size:clamp(19px,4vw,30px);line-height:1.6;margin:0 0 10px;color:#173658}
.bonus-note p{margin:0;font-size:14px;font-weight:800;color:#2b5468}
.bonus-note .bonus-icons{position:absolute;inset:0;pointer-events:none}
.bonus-note .bonus-icons span{position:absolute;font-size:22px;color:#d2a44d;opacity:.88;animation:bonusFloat 3.8s ease-in-out infinite}
.bonus-note .bonus-icons span:nth-child(1){left:6%;top:18%}
.bonus-note .bonus-icons span:nth-child(2){right:10%;top:16%;animation-delay:.35s}
.bonus-note .bonus-icons span:nth-child(3){left:14%;bottom:18%;animation-delay:.7s}
.bonus-note .bonus-icons span:nth-child(4){right:18%;bottom:22%;animation-delay:1.05s}
.bonus-note .bonus-icons span:nth-child(5){left:50%;top:10%;animation-delay:1.4s}
@keyframes bonusAppear{from{opacity:0;transform:translate3d(0,24px,0) scale(.95)}to{opacity:1;transform:translate3d(0,0,0) scale(1)}}
@keyframes bonusFloat{0%,100%{transform:translateY(0) scale(.9)}50%{transform:translateY(-10px) scale(1.08)}}
#messagePanel #messagePreviewBonus{margin:12px auto 18px}
@media(max-width:520px){.bonus-note{padding:18px 14px 20px}}

.message-modal .message-letter,.message-modal .bonus-note{animation:messageLetterRise .42s cubic-bezier(.18,.83,.3,1) both}

.bonus-spark-burst{position:absolute;inset:0;pointer-events:none;z-index:8;overflow:hidden}
.bonus-spark-burst span{position:absolute;left:50%;top:48%;width:14px;height:14px;transform:translate(-50%,-50%) rotate(calc(var(--i)*30deg)) translateY(calc(var(--distance,80px)*-1));opacity:0;animation:bonusSparkParticle 1.15s cubic-bezier(.16,.83,.34,1) forwards}
.bonus-spark-burst span::before{content:"✦";display:block;font-size:clamp(16px,2vw,24px);line-height:1;color:var(--spark-color,#f6d57f);text-shadow:0 0 12px rgba(255,236,173,.9),0 0 26px rgba(255,213,127,.55)}
@keyframes bonusSparkParticle{0%{opacity:0;transform:translate(-50%,-50%) scale(.2) rotate(calc(var(--i)*30deg)) translateY(0)}15%{opacity:1}100%{opacity:0;transform:translate(-50%,-50%) scale(1) rotate(calc(var(--i)*30deg)) translateY(calc(var(--distance,80px)*-1))}}
@keyframes bonusSparkleFlash{0%{opacity:0;transform:scale(.3) rotate(-12deg)}26%{opacity:1;transform:scale(1.2) rotate(8deg)}100%{opacity:0;transform:scale(.82) rotate(18deg)}}

/* v0.4.3 — show the share result immediately ABOVE the create button. */
#messagePanel #messageResult{margin:14px 0 20px;padding:17px 15px 12px;border:1px solid #dce9e9;border-radius:16px;background:linear-gradient(155deg,#f7fcfd,#fffefa);box-shadow:0 7px 22px #123b490c}
#messagePanel #messageResult .message-event-actions{margin:0 0 16px}
#messagePanel #messageResult>.message-field{display:block;margin:2px 0 8px}
#messagePanel #messageResult #messageShareUrl{display:block;min-height:43px}
#messagePanel #messageCreate{margin-top:10px;margin-bottom:24px}
#messagePanel .message-toast{position:fixed;z-index:2500;top:max(22px,env(safe-area-inset-top));right:max(18px,env(safe-area-inset-right));max-width:min(92vw,440px);min-width:min(88vw,270px);padding:15px 19px;border-radius:14px;background:linear-gradient(110deg,#124f58,#127d80);color:#fff;font-size:14px;font-weight:800;box-shadow:0 14px 40px #052b4180;pointer-events:none;animation:messageToastIn .2s ease-out both}
#messagePanel .message-toast.message-toast-error{background:linear-gradient(110deg,#913c2f,#ad5c3e)}
@keyframes messageToastIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}

/* The gift experience should fit in one screen whenever the viewport allows. */
.recipient-shell{width:min(100% - 24px,960px);padding:10px 0 14px;gap:6px;justify-content:center}
.recipient-screen{padding:clamp(14px,2.3vh,25px);border-radius:24px}
.recipient-screen h1{font-size:clamp(20px,3.0vw,31px);line-height:1.34;margin:5px 0 9px}
.recipient-eyebrow{font-size:10px}
.recipient-sub{font-size:13px;line-height:1.45;margin:8px auto 10px}
.recipient-shell .message-3d-stage,#recipientGiftFallback{height:clamp(195px,37dvh,310px);min-height:0}
#recipientGift .message-3d-stage,#recipientGift.has-open-letter .message-3d-stage{height:clamp(195px,37dvh,310px)}
#recipientGift .message-main-button,#recipientIntro .message-main-button{min-height:43px;padding:10px 22px;margin:7px auto 0}
#recipientGift #skipMessageTransform.message-skip-link{display:inline-block;width:auto;min-height:0;margin:5px auto 0;padding:3px 10px;border:0;border-radius:0;background:none;box-shadow:none;color:#bed4e5;font:inherit;font-size:12px;line-height:1.35;text-decoration:underline;text-underline-offset:3px;cursor:pointer}
#recipientGift #skipMessageTransform.message-skip-link:hover{color:#fff3ce}
#recipientGift #skipMessageTransform[hidden]{display:none!important}
#recipientGift .message-phase-note:empty,#recipientPhaseStatus[hidden]{display:none!important}
.recipient-home{font-size:10px;margin-top:2px}
@media(max-width:520px){
  .recipient-shell{width:min(100% - 16px,960px);padding:7px 0 10px;gap:5px}
  .recipient-screen{padding:12px 10px;border-radius:17px}
  .recipient-screen h1{font-size:clamp(20px,6vw,27px);margin:4px 0 7px}
  .recipient-shell .message-3d-stage,#recipientGiftFallback,#recipientGift .message-3d-stage,#recipientGift.has-open-letter .message-3d-stage{height:clamp(190px,34dvh,265px);min-height:0}
  .recipient-sub{font-size:12px;margin:6px auto 8px}
  #messagePanel #messageResult{padding:13px 11px 10px}
  #messagePanel .message-toast{right:12px;left:12px;min-width:0;max-width:none;font-size:13px}
}
@media(max-height:650px) and (min-width:521px){
  .recipient-shell{padding:5px 0;gap:4px}
  .recipient-screen{padding:12px 17px}
  .recipient-screen h1{font-size:21px;margin:2px 0 5px}
  .recipient-shell .message-3d-stage,#recipientGiftFallback,#recipientGift .message-3d-stage,#recipientGift.has-open-letter .message-3d-stage{height:clamp(170px,34dvh,245px)}
}

/* v0.4.4 — a single, viewport-bounded modal layout for creator and recipient.
   Do not let the flex/grid minimum size of the recipient page stretch the
   fixed overlay, and never give a short message an unnecessary scrollbar. */
.message-recipient-body .message-modal,
#messagePanel .message-modal {
  position:fixed;
  inset:0;
  box-sizing:border-box;
  width:100vw;
  width:100dvw;
  height:100vh;
  height:100dvh;
  min-width:0;
  max-width:none;
  min-height:0;
  display:flex;
  justify-content:center;
  align-items:center;
  padding:clamp(10px,2.5vw,24px);
  overflow:hidden;
}
.message-recipient-body .message-modal[hidden],
#messagePanel .message-modal[hidden] {display:none!important}
.message-recipient-body .message-modal *,
#messagePanel .message-modal * {box-sizing:border-box;min-width:0}
.message-recipient-body .message-modal-shell,
#messagePanel .message-modal-shell {
  box-sizing:border-box;
  flex:0 1 700px;
  width:min(100%,700px);
  min-width:0;
  max-width:700px;
  max-height:calc(100dvh - 32px);
  margin:0;
  padding:clamp(14px,2.1vw,22px);
  overflow-x:hidden;
  overflow-y:auto;
  scrollbar-width:none;
  border-radius:26px;
}
.message-modal-shell::-webkit-scrollbar {display:none}
.message-recipient-body .message-modal-close,
#messagePanel .message-modal-close {
  position:absolute;
  top:clamp(14px,2.1vw,22px);
  right:clamp(14px,2.1vw,22px);
  float:none;
  margin:0;
  width:40px;
  height:40px;
  z-index:4;
  line-height:1;
  display:grid;
  place-items:center;
}
/* The letter must be constrained by the shell, not by its former page layout. */
.message-recipient-body .message-modal .message-letter,
#messagePanel .message-modal .message-letter {
  display:block;
  width:100%;
  max-width:100%;
  min-width:0;
  max-height:none;
  margin:0 auto;
  padding:clamp(20px,3vw,36px) clamp(14px,3.5vw,38px);
  overflow:visible;
  text-align:center;
  line-height:1.7;
  border-radius:18px;
  overflow-wrap:anywhere;
}
.message-recipient-body .message-modal .message-letter h2,
#messagePanel .message-modal .message-letter h2 {
  margin:12px auto;
  font-size:clamp(19px,2.8vw,26px);
  line-height:1.45;
  color:#173658;
}
.message-recipient-body .message-modal .message-letter .letter-heart,
#messagePanel .message-modal .message-letter .letter-heart {
  margin:5px auto 9px;
  line-height:1.1;
}
.message-recipient-body .message-modal .message-letter p,
#messagePanel .message-modal .message-letter p {
  margin:14px 0;
  font-size:clamp(15px,2vw,19px);
  line-height:1.75;
  white-space:pre-wrap;
  overflow-wrap:anywhere;
}
.message-recipient-body .message-modal .message-letter #messageBody,
#messagePanel .message-modal .message-letter #messagePreviewBody {
  border-top:1px solid #e2d2ad;
  border-bottom:1px solid #e2d2ad;
  padding:clamp(12px,2.4vh,20px) 0;
  margin:15px 0;
}
.message-recipient-body .message-modal .message-letter #messageFrom,
#messagePanel .message-modal .message-letter #messagePreviewFrom {
  text-align:right;
  margin:8px 0 12px;
  font-size:14px;
}
/* Bonus: use the same intrinsic width on both pages. Prevent child margins,
   floating decoration and the close control from creating false overflow. */
.message-recipient-body .message-modal-bonus,
#messagePanel .message-modal-bonus {
  flex-basis:600px;
  width:min(100%,600px);
  max-width:600px;
  overflow-x:hidden;
}
.message-recipient-body .message-modal .bonus-note,
#messagePanel .message-modal .bonus-note {
  display:block;
  width:100%;
  max-width:100%;
  min-width:0;
  margin:0;
  padding:clamp(22px,3vw,34px) clamp(15px,3.5vw,32px);
  overflow:hidden;
  overflow-wrap:anywhere;
  text-align:center;
}
.message-recipient-body .message-modal .bonus-note h2,
#messagePanel .message-modal .bonus-note h2 {
  font-size:clamp(18px,2.8vw,27px);
  line-height:1.5;
  margin:8px 0 14px;
}
.message-recipient-body .message-modal .bonus-note p,
#messagePanel .message-modal .bonus-note p {
  margin:0;
  line-height:1.5;
}
@media(max-height:720px){
  .message-recipient-body .message-modal-shell,
  #messagePanel .message-modal-shell{padding:12px;max-height:calc(100dvh - 20px)}
  .message-recipient-body .message-modal .message-letter,
  #messagePanel .message-modal .message-letter{padding:18px 24px}
  .message-recipient-body .message-modal .message-letter .letter-heart,
  #messagePanel .message-modal .message-letter .letter-heart{font-size:26px;margin:2px auto}
  .message-recipient-body .message-modal .message-letter p,
  #messagePanel .message-modal .message-letter p{margin:9px 0;line-height:1.55}
  .message-recipient-body .message-modal .message-letter #messageBody,
  #messagePanel .message-modal .message-letter #messagePreviewBody{padding:9px 0;margin:9px 0}
}
@media(max-width:520px){
  .message-recipient-body .message-modal,
  #messagePanel .message-modal{padding:10px}
  .message-recipient-body .message-modal-shell,
  #messagePanel .message-modal-shell{max-height:calc(100dvh - 20px);padding:10px;border-radius:19px}
  .message-recipient-body .message-modal .message-letter,
  #messagePanel .message-modal .message-letter{padding:20px 15px}
  .message-recipient-body .message-modal-close,
  #messagePanel .message-modal-close{top:12px;right:12px;width:35px;height:35px}
}