@font-face{font-family:ZCOOL XiaoWei;src:url(/fonts/zcool-xiaowei-subset.woff2) format("woff2");font-weight:400;font-style:normal;font-display:swap}:root{color:#37423f;background:#f7f3ea;font-family:Noto Sans SC,ui-sans-serif,-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--background: #f7f3ea;--paper: #fffdf7;--sand: #ece4d6;--sand-line: #f0e8da;--field: #f6f7f2;--field-line: #e7e9e1;--line: #e6ded0;--ink: #37423f;--muted: #64706c;--faint: #79837f;--accent: #4f7c77;--accent-deep: #3f6864;--accent-ink: #45706b;--accent-soft: #e6efe9;--accent-soft-ink: #4b716c;--cream: #f1e0bd;--cream-deep: #e4cfa4;--cream-flap: #ecd6ae;--cream-ink: #86682a;--coral: #99675e;--coral-deep: #7a524b;--coral-soft: #f2e0dc;--coral-soft-ink: #8a5449;--danger: #9c665d;--danger-deep: #7a524b;--danger-ink: #8f584f;--blob-green: #e6efe9;--blob-cream: #f1e5cd;--blob-lilac: #e9e2ee;--blob-stone: #ecebe0;--blob-rose: #f2e0dc;--radius-card: 30px;--radius-field: 20px;--font-display: "Songti SC", STSong, "Noto Serif SC", "ZCOOL XiaoWei", Georgia, serif;--font-letter: "Songti SC", STSong, "Noto Serif SC", Georgia, serif;--font-ui: "Noto Sans SC", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif}*{box-sizing:border-box}html{min-width:320px;min-height:100%;background:var(--background)}body{min-width:320px;min-height:100vh;min-height:100dvh;margin:0;overflow-x:hidden;background:var(--background);color:var(--ink)}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible,[tabindex="-1"]:focus-visible{outline:3px solid rgba(79,124,119,.42);outline-offset:3px}button:disabled{cursor:wait;opacity:.58}a{color:var(--accent-ink)}a:hover{color:var(--accent-deep)}h1,h2,p{margin-top:0}h1,h2,.brand-title,.brand-link,.field-label,.acknowledge-message{font-family:var(--font-display);font-weight:400}.letter-body,.letter-signature,.hint-block p{font-family:var(--font-letter);font-weight:400}h1{margin-bottom:1.5rem;font-size:clamp(1.9rem,8vw,3rem);line-height:1.5;letter-spacing:.035em;text-wrap:pretty}h2{font-size:clamp(1.25rem,5vw,1.5rem);line-height:1.5}.home-page,.recipient-page,.reading-page,.centered-page,.page-shell{position:relative;width:100%;min-height:100vh;min-height:100dvh;padding:max(1.9rem,env(safe-area-inset-top)) max(1.25rem,env(safe-area-inset-right)) max(2.75rem,env(safe-area-inset-bottom)) max(1.25rem,env(safe-area-inset-left));overflow:hidden}.page-shell,.centered-page,.reading-page,.recipient-page{max-width:600px;margin:0 auto}.narrow-page{max-width:560px}.home-page,.recipient-page,.reading-page,.centered-page{display:flex;flex-direction:column}.home-page{align-items:center;justify-content:center;text-align:center}.home-page>.page-decor:before,.home-page>.page-decor:after,.recipient-page:before,.recipient-page:after,.reading-page:before,.centered-page:before,.page-shell:before{content:"";position:absolute;z-index:0;pointer-events:none}.home-page>.page-decor:before{top:-90px;left:-70px;width:300px;height:280px;border-radius:48% 52% 60% 40%/55% 45%;background:var(--blob-green)}.home-page>.page-decor:after{right:-90px;bottom:-120px;width:320px;height:300px;border-radius:58% 42% 45% 55%/45% 58% 42% 55%;background:var(--blob-cream)}.recipient-page:before{top:-80px;right:-80px;width:280px;height:260px;border-radius:48% 52% 55% 45%/52% 48%;background:var(--blob-green)}.recipient-page:after{bottom:-100px;left:-70px;width:250px;height:240px;border-radius:55% 45% 48% 52%/45% 52% 48% 55%;background:var(--blob-rose)}.reading-page:before{top:-70px;left:-60px;width:240px;height:230px;border-radius:52% 48% 45% 55%/48% 55% 45% 52%;background:var(--blob-cream)}.centered-page:before{top:120px;left:-90px;width:260px;height:250px;border-radius:50% 50% 42% 58%/55% 45%;background:var(--blob-green)}.page-shell:before{top:-60px;right:-70px;width:220px;height:210px;border-radius:52% 48% 42% 58%/50% 55% 45% 50%;background:var(--blob-stone)}.home-content,.writing-form,.preview-page,.success-state,.unavailable-state,.manage-state,.private-entry,.unlock-panel,.letter-reading,.brand-title,.brand-link,.loading-message,.page-decor{position:relative;z-index:1}.home-content{width:100%;max-width:560px;padding:2rem 0 3rem}.brand-title,.brand-link{display:inline-flex;align-items:center;gap:.5rem;align-self:flex-start;margin-bottom:2.4rem;padding:.5rem 1rem;border-radius:999px;background:var(--paper);box-shadow:0 3px 0 var(--line);color:var(--ink);font-size:.95rem;letter-spacing:.16em;text-decoration:none}.brand-link:hover{color:var(--ink);transform:translateY(-1px)}.home-content .brand-title{align-self:center;margin-bottom:2.6rem}.home-content h1{margin-bottom:.9rem;color:var(--muted);font-family:Noto Sans SC,sans-serif;font-size:clamp(.95rem,4vw,1.05rem);letter-spacing:.14em}.home-statement{margin-bottom:2.2rem;font-family:var(--font-display);font-size:clamp(2rem,8.5vw,2.6rem);line-height:1.6;letter-spacing:.04em}.home-action{min-width:11.5rem}.home-note{margin:1.9rem 0 0;color:var(--muted);font-size:.85rem;line-height:2}.button{display:inline-flex;min-height:54px;align-items:center;justify-content:center;gap:.55rem;padding:.75rem 1.9rem;border:0;border-radius:999px;cursor:pointer;font-size:1.05rem;font-weight:500;letter-spacing:.05em;line-height:1.25;text-align:center;text-decoration:none;transition:transform 90ms ease,box-shadow 90ms ease,background-color .16s ease}.primary-button{background:var(--accent);color:#fffdf7;box-shadow:0 5px 0 var(--accent-deep)}.primary-button:hover:not(:disabled){background:#56847f}.primary-button:active:not(:disabled){transform:translateY(4px);box-shadow:0 1px 0 var(--accent-deep)}.secondary-button{background:var(--paper);color:var(--ink);box-shadow:0 4px 0 var(--line),inset 0 0 0 2px var(--sand)}.secondary-button:hover:not(:disabled){background:#fffefb}.secondary-button:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px 0 var(--line),inset 0 0 0 2px var(--sand)}.danger-button{background:var(--danger);color:#fffdf7;box-shadow:0 4px 0 var(--danger-deep)}.danger-button:active:not(:disabled){transform:translateY(3px);box-shadow:0 1px 0 var(--danger-deep)}.acknowledge-area .primary-button{background:var(--coral);box-shadow:0 5px 0 var(--coral-deep)}.acknowledge-area .primary-button:hover:not(:disabled){background:#a06d64}.acknowledge-area .primary-button:active:not(:disabled){box-shadow:0 1px 0 var(--coral-deep)}.private-entry .secondary-button{background:var(--cream);color:#7a601f;box-shadow:0 4px 0 var(--cream-deep)}.private-entry .secondary-button:active:not(:disabled){box-shadow:0 1px 0 var(--cream-deep)}.text-link,.danger-link{display:inline-flex;min-height:44px;align-items:center;justify-content:center;gap:.4rem;padding:.55rem 0;border:0;background:transparent;color:var(--accent-ink);cursor:pointer;font-size:.92rem;font-weight:500;text-decoration:none}.text-link:hover{color:var(--accent-deep);text-decoration:underline;text-underline-offset:.3em}.danger-link{color:var(--danger-ink)}.writing-form{padding:0 0 4rem}.form-section{margin-bottom:1.15rem;padding:1.4rem 1.25rem;border-radius:var(--radius-card);background:var(--paper);box-shadow:0 6px 0 var(--sand)}.field-label{display:block;margin-bottom:.65rem;font-size:clamp(1.3rem,5.4vw,1.55rem);letter-spacing:.02em}.field-icon{display:grid;place-items:center;width:30px;height:30px;flex:none;border-radius:12px;background:var(--cream)}.field-head{display:flex;align-items:center;gap:.6rem;margin-bottom:.65rem}.field-head .field-label{margin-bottom:0}.field-description{max-width:33rem;margin-bottom:.9rem;color:var(--muted);font-size:.85rem;line-height:1.85}.privacy-note{display:flex;align-items:center;gap:.45rem;margin:.7rem 0 0;color:var(--muted);font-size:.78rem;line-height:1.6}.text-field{width:100%;min-height:52px;padding:.8rem 1.15rem;border:0;border-radius:var(--radius-field);background:var(--field);box-shadow:inset 0 0 0 2px var(--field-line);color:var(--ink);min-width:0;font-size:1rem;line-height:1.6;transition:box-shadow .16s ease}.text-field::placeholder{color:var(--faint);opacity:1}.text-field:hover{box-shadow:inset 0 0 0 2px #dcdfd6}.text-field:focus{box-shadow:inset 0 0 0 2px var(--accent)}.text-field[aria-invalid=true]{box-shadow:inset 0 0 0 2px var(--danger)}textarea.text-field{resize:vertical}.body-field{min-height:11rem;padding:1rem 1.15rem;font-family:var(--font-letter);font-size:1.06rem;line-height:1.95}.password-field{display:flex;align-items:center;gap:.6rem}.password-field .text-field{flex:1;min-width:0;padding-right:1.15rem;letter-spacing:.02em}.password-field .passphrase-masked{-webkit-text-security:disc}.password-toggle{position:static;min-width:44px;min-height:44px;flex:none;padding:0 1rem;border:0;border-radius:999px;background:var(--accent-soft);color:var(--accent-soft-ink);cursor:pointer;font-size:.84rem;font-weight:500;box-shadow:0 3px #d3e0da;transition:transform 90ms ease,box-shadow 90ms ease}.password-toggle:active{transform:translateY(3px);box-shadow:0 0 #d3e0da}.field-message{display:flex;justify-content:flex-end;min-height:1.65rem;padding-top:.6rem;color:var(--muted);font-size:.78rem}.field-message>span{display:inline-flex;align-items:center;height:26px;padding:0 .7rem;border-radius:999px;background:#f1f4f0}.field-message .form-error{margin:0;background:var(--coral-soft);color:var(--danger-ink)}.form-error,.unlock-error{color:var(--danger-ink);font-size:.85rem;line-height:1.55}.form-error{margin:.65rem 0 0}.form-submit{width:100%;margin-top:.35rem}.preview-page{padding:.5rem 0 4rem}.eyebrow{display:inline-flex;align-items:center;height:30px;margin-bottom:1rem;padding:0 .8rem;border-radius:999px;background:var(--coral-soft);color:var(--coral-soft-ink);font-size:.75rem;font-weight:700;letter-spacing:.08em}.private-entry .eyebrow,.manage-state .eyebrow{background:var(--cream);color:var(--cream-ink)}.preview-page h1,.letter-reading h1{margin-bottom:1.4rem;font-size:clamp(1.5rem,6vw,1.75rem)}.letter-text{position:relative;width:100%;margin:0 auto;padding:2.1rem 1.6rem 1.9rem;border-radius:28px;background:var(--paper);box-shadow:0 8px 0 var(--sand)}.letter-text:before,.letter-text:after{content:"";position:absolute;top:-13px;width:74px;height:26px;border-radius:4px;background:#f1e0bdd9}.letter-text:before{left:28px;transform:rotate(-4deg)}.letter-text:after{right:28px;transform:rotate(3deg)}.letter-body{margin-bottom:1.9rem;font-size:clamp(1.15rem,4.8vw,1.3rem);line-height:2.05;letter-spacing:.03em;overflow-wrap:anywhere;white-space:pre-wrap}.letter-signature{margin-bottom:0;color:var(--muted);font-size:1rem;line-height:1.8;text-align:right;white-space:pre-wrap;overflow-wrap:anywhere}.centered-error{min-height:1.7rem;margin-top:1.4rem;text-align:center}.preview-actions,.dialog-actions{display:grid;grid-template-columns:1fr;gap:.75rem;margin-top:2.1rem}.preview-actions .primary-button,.dialog-actions .danger-button{grid-row:1}.success-state,.unavailable-state,.manage-state{margin:auto 0;padding:2.5rem 0;text-align:center}.success-state h1,.unavailable-state h1,.manage-state h1{margin-bottom:.75rem;font-size:clamp(1.7rem,7vw,2rem)}.status-message{display:flex;justify-content:center;min-height:2rem;margin:1rem 0 0;color:var(--muted);font-size:.85rem;line-height:1.6}.status-message:not(:empty)>*,.status-message:not(:empty){gap:.4rem}.private-entry{margin-top:auto;padding:1.5rem 1.4rem;border:0;border-radius:var(--radius-card);background:var(--paper);box-shadow:0 6px 0 var(--sand),inset 0 0 0 2px var(--sand-line);text-align:left}.private-entry h2{margin-bottom:.75rem;font-size:1.25rem}.private-entry>p:not(.eyebrow){margin-bottom:1.25rem;color:var(--muted);font-size:.85rem;line-height:1.9}.stacked-actions{display:flex;flex-direction:column;align-items:stretch;gap:.65rem}.recipient-page{justify-content:center}.unlock-panel{width:100%;padding:1.5rem 0 3rem}.unlock-panel .brand-title{margin-bottom:1.6rem}.unlock-panel h1{margin-bottom:1.6rem;font-size:clamp(1.95rem,8vw,2.5rem);text-align:center}.hint-block{position:relative;margin-bottom:1.4rem;padding:1.25rem 1.35rem 1.1rem;border:0;border-radius:26px;background:var(--paper);box-shadow:0 6px 0 var(--sand)}.hint-block h2{position:absolute;top:-12px;left:20px;display:inline-flex;align-items:center;height:26px;margin:0;padding:0 .75rem;border-radius:999px;background:var(--accent-soft);color:var(--accent-soft-ink);font-family:Noto Sans SC,sans-serif;font-size:.72rem;font-weight:700;letter-spacing:.1em}.hint-block p{margin-bottom:0;padding-top:.5rem;font-size:1.12rem;line-height:1.85;overflow-wrap:anywhere;white-space:pre-wrap}.unlock-form .text-field{font-size:1rem;background:var(--paper)}.unlock-form .button{width:100%;margin-top:.15rem}.unlock-error{min-height:2rem;margin:.65rem 0 0}.recipient-note{margin:1.4rem 0 0;color:var(--muted);font-size:.82rem;line-height:1.9;text-align:center}.reading-page{justify-content:flex-start;padding-bottom:max(9rem,env(safe-area-inset-bottom))}.reading-page>.brand-title{margin-bottom:1.9rem}.letter-reading{width:100%;padding-bottom:0}.acknowledge-area{margin-top:1.5rem;text-align:center}.acknowledge-message{display:inline-flex;align-items:center;gap:.55rem;min-height:48px;margin:0;padding:0 1.4rem;border-radius:999px;background:var(--coral-soft);color:var(--coral-soft-ink);font-size:1.06rem;line-height:1.7}.manage-state>p:not(.eyebrow,.status-message){max-width:20rem;margin:0 auto 1.9rem;color:var(--muted);font-size:.87rem;line-height:1.95}.manage-actions{margin-top:1.6rem}.loading-message{margin:auto 0;color:var(--muted);font-family:var(--font-display);font-size:1.15rem;letter-spacing:.08em;line-height:1.7;text-align:center}.dialog-backdrop{position:fixed;z-index:20;inset:0;display:grid;place-items:center;padding:1.4rem;background:#37423f70}.delete-dialog{width:min(100%,26rem);padding:1.9rem 1.5rem 1.6rem;border:0;border-radius:32px;background:var(--paper);box-shadow:0 14px 34px #37423f3d;text-align:center;animation:sticker-in .42s cubic-bezier(.22,1,.36,1) both}.delete-dialog:before{content:"";display:block;width:66px;height:66px;margin:0 auto 1.1rem;border-radius:26px;background:var(--coral-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30' fill='none'><path d='M7 10h16M12 10V7.4h6V10M9 10l1.2 13h9.6L21 10' stroke='%239c665d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / 30px 30px no-repeat}.delete-dialog h2{margin-bottom:.75rem;font-size:1.5rem}.delete-dialog p{margin-bottom:0;color:var(--muted);font-size:.87rem;line-height:1.9}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.page-decor{position:absolute;z-index:0;inset:0;pointer-events:none;overflow:clip}.page-decor>*{position:absolute}.decor-float{animation:floaty 6s ease-in-out infinite}.decor-float--slow{animation-duration:9s}.decor-float--fast{animation-duration:4.5s}.decor-wiggle{animation:wiggle 4.5s ease-in-out infinite}.tape-label{display:inline-flex;align-items:center;gap:.35rem;padding:.45rem .85rem;border-radius:8px;background:var(--cream);color:var(--ink);font-size:.75rem;font-weight:700;letter-spacing:.06em;box-shadow:0 3px #37423f12}.envelope{position:relative;display:block}.envelope__body{position:absolute;inset:0;border-radius:22px;background:var(--cream);box-shadow:0 8px 0 var(--cream-deep)}.envelope__flap{position:absolute;top:0;left:0;width:100%;height:36%;border-radius:22px 22px 0 0;background:var(--cream-flap);clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:top center}.envelope__seal{position:absolute;top:34%;left:50%;display:grid;place-items:center;width:48px;height:48px;margin-left:-24px;border-radius:50%;background:#d99b8f;box-shadow:inset 0 0 0 3px #fffdf78c}@keyframes floaty{0%,to{transform:translateY(0) rotate(calc(var(--decor-rot, 0deg) - 2deg))}50%{transform:translateY(-8px) rotate(calc(var(--decor-rot, 0deg) + 2deg))}}@keyframes wiggle{0%,to{transform:rotate(calc(var(--decor-rot, 0deg) - 3deg))}50%{transform:rotate(calc(var(--decor-rot, 0deg) + 3deg))}}@keyframes sticker-in{0%{opacity:0;transform:translateY(14px) scale(.96)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes unlock-away{0%{opacity:1;transform:translateY(0)}to{opacity:0;transform:translateY(-.5rem) scale(.98)}}@keyframes letter-reveal{0%{opacity:0;transform:translateY(.9rem)}to{opacity:1;transform:translateY(0)}}@keyframes flap-open{0%{transform:rotateX(0)}to{transform:rotateX(-165deg)}}.unlock-panel.is-opening{pointer-events:none;animation:unlock-away .22s ease-in .5s both}.unlock-panel.is-opening .envelope__flap{animation:flap-open .46s cubic-bezier(.5,.05,.3,1) both}.letter-reading.is-revealed{animation:letter-reveal .68s cubic-bezier(.22,1,.36,1) .16s both}@media(min-width:700px){.home-page,.recipient-page,.reading-page,.centered-page,.page-shell{padding-right:2rem;padding-left:2rem}.writing-form{padding-top:.5rem}.form-section{padding:1.7rem 1.6rem}.letter-text{padding:2.6rem 2.2rem 2.2rem}.preview-actions,.dialog-actions{grid-template-columns:1fr 1fr}.preview-actions .primary-button,.dialog-actions .danger-button{grid-row:auto;order:2}.preview-actions .secondary-button,.dialog-actions .secondary-button{order:1}}@media(max-width:430px){.brand-title,.brand-link{margin-bottom:1.6rem}.home-content .brand-title{margin-bottom:2rem}.home-statement{margin-bottom:1.9rem}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-delay:0ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}.auth-title{margin-bottom:1.6rem;font-size:clamp(1.6rem,7vw,2.1rem)}.auth-tabs{display:inline-flex;gap:.3rem;margin-bottom:1.4rem;padding:.3rem;border-radius:999px;background:var(--field);box-shadow:inset 0 0 0 2px var(--field-line)}.auth-tab{min-height:44px;padding:0 1.3rem;border:0;border-radius:999px;background:transparent;color:var(--muted);cursor:pointer;font-size:.95rem;font-weight:500;transition:background-color .16s ease,color .16s ease}.auth-tab.is-active{background:var(--paper);color:var(--ink);box-shadow:0 2px 0 var(--sand)}.auth-form,.accept-form{display:flex;flex-direction:column;gap:.85rem;width:100%;max-width:22rem;margin:0 auto;text-align:left}.accept-form{margin-top:1.8rem}.auth-form .form-error{min-height:1.4rem;margin:0}.space-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.5rem 1rem;margin-bottom:2rem;position:relative;z-index:1}.space-header .brand-title{flex:none;margin:0}.space-nav{display:flex;align-items:center;justify-content:flex-end;flex:1 1 9rem;min-width:0;gap:.5rem .9rem}.space-nav .text-link{flex:none;min-width:44px;padding-right:.4rem;padding-left:.4rem}.space-partner{min-width:0;color:var(--muted);font-size:.85rem;line-height:1.65;text-align:right;overflow-wrap:anywhere;font-family:var(--font-ui)}.pairing-state{position:relative;z-index:1;text-align:center;max-width:30rem;margin:0 auto}.centered{text-align:center}.invite-box{margin:1.2rem 0;padding:1rem 1.1rem;border-radius:18px;background:var(--field);box-shadow:inset 0 0 0 2px var(--field-line)}.invite-code{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.9rem;line-height:1.7;color:var(--ink);word-break:break-all}.compose-button{width:100%;margin-bottom:1.8rem}.empty-timeline{text-align:center;color:var(--muted);padding:2rem 0}.note-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.85rem}.note-card{display:block;padding:1.1rem 1.2rem;border-radius:var(--radius-card);background:var(--paper);box-shadow:0 5px 0 var(--sand);text-decoration:none;color:var(--ink);transition:transform 90ms ease,box-shadow 90ms ease}.note-card:hover{color:var(--ink)}.note-card:active{transform:translateY(3px);box-shadow:0 2px 0 var(--sand)}.note-card.is-locked{background:var(--cream-soft, #f6ecd6)}.note-card__top{display:flex;align-items:baseline;justify-content:space-between;gap:.8rem;margin-bottom:.6rem;flex-wrap:wrap}.note-who{min-width:0;overflow-wrap:anywhere;font-family:var(--font-ui);font-size:.9rem;font-weight:500;line-height:1.7}.note-time{flex:none;color:var(--muted);font-size:.76rem}.note-chip{display:inline-flex;align-items:center;min-height:26px;max-width:100%;padding:.2rem .7rem;border-radius:999px;background:#f1f4f0;color:var(--muted);font-size:.76rem;line-height:1.6;overflow-wrap:anywhere}.note-chip.warm{background:var(--coral-soft);color:var(--coral-soft-ink)}.note-chip.locked{background:var(--accent-soft);color:var(--accent-soft-ink)}.note-chip.muted{background:#f1f4f0;color:var(--muted)}.toggle-row{display:flex;align-items:flex-start;gap:.7rem;cursor:pointer}.toggle-row input{margin-top:.35rem;width:20px;height:20px;accent-color:var(--accent);flex:none}.field-label.as-inline{display:block;margin-bottom:.3rem;font-size:1.15rem}.field-label.small{font-size:1rem;margin-bottom:.4rem}.passphrase-fields{margin-top:1rem;display:flex;flex-direction:column;gap:.4rem}.passphrase-fields .text-field{margin-bottom:.6rem}.acknowledge-message.muted{background:transparent;color:var(--muted)}.account-block{text-align:center;margin-bottom:1.8rem}.account-actions{margin-top:1.6rem;align-items:center}.auth-welcome{max-width:23rem;margin:0 auto 1.7rem;color:var(--muted);font-size:.95rem;line-height:1.85;text-wrap:pretty}.home-content>.envelope{margin:0 auto 1.8rem}.home-content h1.auth-title{margin-bottom:.75rem;color:var(--ink);font-family:var(--font-display);font-size:clamp(1.8rem,7.4vw,2.2rem);line-height:1.55;letter-spacing:.025em}.home-content .brand-title{margin-bottom:1.7rem}.centered-page>.envelope{margin:2rem auto}.pairing-state>.envelope,.unlock-panel>.envelope{margin:1.5rem auto 1.9rem}.unlock-panel>.envelope{margin-top:0}.auth-welcome h1,.auth-welcome .auth-title{margin-bottom:.65rem;color:var(--ink);font-family:var(--font-display);font-size:clamp(1.6rem,7vw,2.1rem);letter-spacing:.035em}.auth-welcome p:last-child{margin-bottom:0}.auth-form>label{margin-bottom:-.35rem}.field-help,.field-error{margin:.15rem 0 0;font-size:.8rem;line-height:1.75;overflow-wrap:anywhere}.field-help{color:var(--muted)}.field-error{color:var(--danger-ink)}.inline-feedback{position:relative;z-index:1;margin:1rem 0;padding:.85rem 1rem;border:1px solid var(--field-line);border-radius:16px;background:var(--field);color:var(--muted);font-size:.87rem;line-height:1.8;overflow-wrap:anywhere;text-align:left}.inline-feedback.is-error{border-color:#e5c5bd;background:#fcf0eb;color:var(--danger-ink)}.inline-feedback.is-success{border-color:#cddfd4;background:var(--accent-soft);color:var(--accent-deep)}.inline-feedback>:last-child{margin-bottom:0}.retry-panel{position:relative;z-index:1;padding:1.8rem 1.4rem;border:1px solid var(--line);border-radius:24px;background:var(--paper);text-align:center}.retry-panel p{margin-bottom:1rem;color:var(--muted);font-size:.9rem;line-height:1.8}.retry-panel .button{max-width:100%}.back-link{align-self:flex-start;justify-content:flex-start;gap:.5rem}.account-heading,.write-intro{position:relative;z-index:1;margin-bottom:1.9rem}.account-heading h1,.write-intro h1{margin-bottom:.5rem;font-size:clamp(1.8rem,6.8vw,2.4rem)}.account-heading p,.write-intro p{margin-bottom:0;color:var(--muted);font-size:.9rem;line-height:1.85;overflow-wrap:anywhere}.account-block{position:relative;z-index:1;overflow-wrap:anywhere}.account-block h1{font-family:var(--font-ui)}.account-heading h1{font-family:var(--font-ui);overflow-wrap:anywhere;font-size:clamp(1.6rem,6.3vw,2.1rem)}.account-page .private-entry{margin:0;padding-top:1rem;border-radius:0 0 22px 22px;box-shadow:none}.account-setting{position:relative;z-index:1;margin-bottom:1rem;border:1px solid var(--line);border-radius:22px;background:var(--paper)}.account-setting>summary{display:flex;flex-wrap:wrap;align-items:center;gap:.35rem .75rem;min-height:76px;padding:1rem 2.6rem 1rem 1.2rem;position:relative;cursor:pointer;list-style:none}.account-setting>summary::-webkit-details-marker{display:none}.account-setting>summary:after{content:"+";position:absolute;right:1rem;color:var(--accent-deep);font-size:1.2rem}.account-setting[open]>summary{border-bottom:1px solid var(--line)}.account-setting[open]>summary:after{content:"−"}.setting-status{color:var(--muted);font-size:.8rem;line-height:1.6}.account-setting>summary>:first-child{flex-basis:100%;font-weight:600}.account-page .account-actions{display:flex;justify-content:center;margin-top:.25rem}.account-page .invite-code{word-break:normal;overflow-wrap:anywhere}.recovery-reminder{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.25rem 1rem;margin:0 0 1.5rem;padding:.8rem 1rem;border:1px solid #e7d7b6;border-radius:18px;background:#f7edd9;color:#75623c;font-size:.83rem;line-height:1.8}.recovery-reminder p{flex:1 1 14rem;margin:0}.recovery-reminder .text-link{flex:none;font-size:.83rem}.recovery-code-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:.75rem;margin:1rem 0}.pairing-state h1{margin-bottom:.8rem;font-size:clamp(1.75rem,7vw,2.35rem)}.pairing-copy{max-width:25rem;margin:0 auto 1.6rem;color:var(--muted);font-size:.92rem;line-height:1.9;text-wrap:pretty}.pairing-progress{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.65rem;margin:1.6rem 0 2rem;padding:0;list-style:none;counter-reset:pairing-step}.pairing-progress li{position:relative;display:flex;flex-direction:column;align-items:center;gap:.55rem;min-width:0;color:var(--muted);font-size:.78rem;line-height:1.6;text-align:center;counter-increment:pairing-step}.pairing-progress li:before{content:counter(pairing-step,decimal-leading-zero);position:relative;z-index:1;display:grid;width:34px;height:34px;place-items:center;border:1px solid var(--line);border-radius:50%;background:var(--background);font-family:var(--font-ui);font-size:.72rem;font-weight:500}.pairing-progress li:not(:last-child):after{content:"";position:absolute;top:17px;right:calc(-50% - .4rem);width:calc(100% - 32px);height:1px;margin-right:16px;background:var(--line)}.pairing-progress .is-current{color:var(--accent-deep);font-weight:600}.pairing-progress .is-current:before{border-color:var(--accent);background:var(--accent);color:var(--paper);box-shadow:0 0 0 4px var(--accent-soft)}.pairing-progress .is-complete:before{content:"✓";border-color:#ccded4;background:var(--accent-soft);color:var(--accent-deep)}.pairing-progress .is-complete:after{background:#b6cec3}.invite-meta{margin:.7rem 0 1.2rem;color:var(--muted);font-size:.78rem;line-height:1.8}.waiting-indicator{display:flex;align-items:center;justify-content:center;gap:.6rem;margin:1.2rem 0;color:var(--accent-deep);font-size:.85rem;line-height:1.8}.waiting-indicator:before{content:"";width:7px;height:7px;flex:none;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px var(--accent-soft);animation:quiet-pulse 3s ease-in-out infinite}.pairing-state .accept-form{max-width:100%;margin-top:2rem;padding:1.4rem;border:1px solid var(--line);border-radius:24px;background:#fffdf7bf}.pairing-state .accept-form .field-label{font-size:1.2rem}.timeline-page,.write-page{max-width:680px}.timeline-page{padding-bottom:max(7rem,env(safe-area-inset-bottom))}.space-intro,.space-toolbar,.unread-section,.history-section,.empty-timeline,.timeline-loading{position:relative;z-index:1}.space-intro{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;margin:0 0 1.8rem;padding:1.8rem 1.55rem;border:1px solid #d9e2d7;border-radius:28px;background:#edf1e7}.space-intro>:first-child{min-width:0}.space-heading-row{display:flex;align-items:center;justify-content:space-between;gap:1.2rem}.space-heading-row>:first-child{min-width:0}.space-intro .eyebrow{height:auto;min-height:26px;margin-bottom:.7rem;padding:.1rem .65rem;background:#fffdf7bf;color:var(--accent-deep);font-size:.72rem;letter-spacing:.05em}.space-intro h1{margin-bottom:.6rem;font-size:clamp(1.65rem,6.6vw,2.3rem);line-height:1.45;letter-spacing:.02em;overflow-wrap:anywhere}.space-intro p:not(.eyebrow){max-width:25rem;margin-bottom:0;color:var(--muted);font-size:.87rem;line-height:1.85;overflow-wrap:anywhere}.space-intro__envelope{flex:none;transform:rotate(-7deg);opacity:.9}.space-intro__envelope .envelope{max-width:100%}.space-intro__envelope .envelope__body,.space-intro__envelope .envelope__flap{border-radius:12px}.space-intro__envelope .envelope__body{box-shadow:0 4px 0 var(--cream-deep)}.space-intro__envelope .envelope__seal{width:28px;height:28px;margin-left:-14px;box-shadow:inset 0 0 0 2px #fffdf78c}.space-intro__envelope .envelope__seal svg{width:13px;height:13px}.space-toolbar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.75rem 1rem;margin:0 0 2.3rem}.space-toolbar .compose-button{width:auto;flex:1 1 14rem;margin:0}.space-toolbar .text-link{flex:none}.section-heading{display:flex;align-items:center;gap:.6rem;margin:0 0 1rem;font-family:var(--font-display);font-size:1.3rem;line-height:1.7}.section-heading h2{flex:1;margin:0;font-size:inherit}.section-count{display:inline-grid;min-width:26px;min-height:26px;place-items:center;padding:.1rem .45rem;border-radius:999px;background:var(--accent-soft);color:var(--accent-deep);font-family:var(--font-ui);font-size:.75rem;font-weight:500}.unread-section{margin-bottom:2.5rem}.history-section{margin-bottom:1.5rem}.note-group+.note-group{margin-top:1.7rem}.note-date-heading{margin:0 0 .85rem;padding-left:.15rem;color:var(--muted);font-family:var(--font-ui);font-size:.78rem;font-weight:400;line-height:1.7}.note-card{padding:1.2rem 1.3rem;border:1px solid transparent;border-radius:22px}.note-card.is-unread{border-color:#a8c3b7;background:#fffdf7;box-shadow:0 5px #d7e3d7}.note-card.is-unread.is-locked{background:#faf2df;border-color:#d8c799;box-shadow:0 5px #e6dbc0}.note-card__status{display:flex;align-items:center;flex-wrap:wrap;gap:.45rem}.note-preview,.note-card__hint{margin:.65rem 0 .95rem;overflow-wrap:anywhere;font-family:var(--font-letter);font-size:1.05rem;line-height:1.85}.note-preview{display:-webkit-box;overflow:hidden;-webkit-box-orient:vertical;-webkit-line-clamp:2}.note-card__hint{color:#74684d;font-size:.94rem;white-space:pre-wrap}.note-card__hint:last-child,.note-preview:last-child{margin-bottom:0}.empty-timeline{margin-bottom:1rem;padding:2rem 1.5rem;border:1px dashed #d3cbbd;border-radius:28px;background:#fffdf77f;line-height:1.9}.empty-timeline h2{margin-bottom:.55rem;color:var(--ink)}.empty-timeline p{max-width:23rem;margin-right:auto;margin-left:auto;font-size:.9rem;text-wrap:pretty}.empty-timeline>:last-child{margin-bottom:0}.timeline-loading{display:grid;gap:1rem}.timeline-loading>:not(.sr-only,p){min-height:130px;border:1px solid var(--line);border-radius:22px;background:linear-gradient(var(--field-line),var(--field-line)) 1.3rem 1.5rem / 35% 10px no-repeat,linear-gradient(var(--field-line),var(--field-line)) 1.3rem 3.3rem / 76% 10px no-repeat,linear-gradient(var(--field-line),var(--field-line)) 1.3rem 5.1rem / 22% 18px no-repeat,var(--paper);animation:quiet-pulse 2s ease-in-out infinite}.timeline-loading p{color:var(--muted);font-size:.85rem;line-height:1.7}.write-page{overflow:clip}.write-page .writing-form{padding-bottom:0}.stationery{position:relative;margin:0 0 1.6rem;padding:1.8rem 1.5rem 1.05rem;border:1px solid #e6dfd0;border-radius:8px 8px 24px 24px;background:var(--paper);box-shadow:0 7px 0 var(--sand),0 12px 22px #5149370a}.stationery:before{content:"";position:absolute;top:-10px;left:calc(50% - 35px);width:70px;height:20px;border-radius:2px;background:#e4cfa4ad;transform:rotate(-3deg);pointer-events:none}.stationery__to{margin:0 0 .85rem;color:var(--accent-deep);font-family:var(--font-letter);font-size:1.05rem;line-height:1.9;overflow-wrap:anywhere}.stationery .field-label{font-size:1rem}.stationery .body-field{height:clamp(13rem,29svh,16rem);min-height:13rem;padding:.15rem .25rem .3rem;border:0;border-radius:4px;background:repeating-linear-gradient(to bottom,transparent 0,transparent calc(2.1em - 1px),#efeadd calc(2.1em - 1px),#efeadd 2.1em);background-position-y:.15rem;box-shadow:none;font-size:1.08rem;line-height:2.1;letter-spacing:.02em}.stationery .body-field:focus{outline:2px solid rgb(79 124 119 / 38%);outline-offset:5px;box-shadow:none}.stationery .body-field[aria-invalid=true]{outline:2px solid var(--danger);outline-offset:5px}.stationery__footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:.25rem 1rem;min-height:2rem;margin-top:.6rem;color:var(--muted);font-size:.76rem;line-height:1.7}.stationery__footer p{margin:0}.stationery__footer .field-message{margin-left:auto;padding-top:0}.write-options{margin:0 0 1rem;border:1px solid var(--line);border-radius:20px;background:#fffdf799}.write-options>summary{position:relative;min-height:56px;padding:1rem 2.9rem 1rem 1.25rem;color:var(--ink);cursor:pointer;font-size:.92rem;line-height:1.8;list-style:none}.write-options>summary::-webkit-details-marker{display:none}.write-options>summary:after{content:"+";position:absolute;top:1rem;right:1.25rem;color:var(--accent-deep);font-family:var(--font-ui);font-size:1.15rem;line-height:1.4}.write-options[open]>summary:after{content:"−"}.write-options[open]>summary{margin-bottom:.2rem;border-bottom:1px solid var(--line)}.write-options>:not(summary){margin-right:1.25rem;margin-left:1.25rem}.write-options>:last-child:not(summary){margin-bottom:1.25rem}.write-options .toggle-row{min-height:44px;padding-top:.8rem}.write-options .signature{margin-top:1rem}.draft-status{margin:.7rem 0;color:var(--muted);font-size:.78rem;line-height:1.8}.draft-status.is-error{color:var(--danger-ink)}.write-actions{position:sticky;z-index:3;bottom:0;display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);gap:.8rem;margin:.5rem -.3rem 0;padding:.85rem .3rem max(.85rem,env(safe-area-inset-bottom));border-top:1px solid rgb(230 222 208 / 75%);background:#f7f3eaf5}.write-actions .button{min-width:0;width:100%;margin:0;padding-right:.9rem;padding-left:.9rem;font-size:.98rem}.write-page:has(input:focus,textarea:focus,.write-options[open]) .write-actions{position:static}.preview-dialog{width:min(calc(100% - 2rem),35rem);max-height:calc(100dvh - 2rem);padding:2rem 1.5rem 1.5rem;border:1px solid var(--line);border-radius:28px;background:var(--background);color:var(--ink);box-shadow:0 24px 80px #252d2a40;overscroll-behavior:contain}.preview-dialog::backdrop{background:#2b36317a;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}.preview-dialog h2{margin:0 3rem .65rem 0;font-size:1.5rem}.preview-dialog>p{margin-bottom:1.65rem;color:var(--muted);font-size:.85rem;line-height:1.8}.preview-dialog .close-button{position:absolute;top:.8rem;right:.8rem;display:grid;min-width:44px;min-height:44px;place-items:center;padding:.5rem;border:1px solid var(--line);border-radius:50%;background:var(--paper);color:var(--muted);cursor:pointer;font-size:1rem}.preview-dialog article{margin-top:1.3rem;padding:1.8rem 1.3rem}.preview-dialog .letter-body{font-size:1.08rem}.preview-dialog .dialog-actions{margin-top:1.75rem}.preview-dialog .dialog-actions .button{min-width:0;padding-right:1rem;padding-left:1rem}.preview-dialog .dialog-actions:has(>:only-child){grid-template-columns:minmax(0,1fr)}.sent-banner{position:relative;z-index:1;margin:0 0 2rem;padding:1.1rem 1.2rem;border:1px solid #cbded1;border-radius:20px;background:var(--accent-soft);color:var(--accent-deep);font-size:.9rem;line-height:1.9}.sent-banner p{margin:0}.sent-banner strong{display:block;margin-bottom:.15rem;font-weight:600}.read-actions{display:flex;flex-direction:column;align-items:center;gap:.5rem;margin-top:1rem;text-align:center}.read-actions .button{max-width:100%}.read-actions p{margin:0;color:var(--muted);font-size:.85rem;line-height:1.8}@keyframes quiet-pulse{0%,to{opacity:1}50%{opacity:.55}}@media(min-width:700px){.timeline-page,.write-page{padding-top:2.5rem}.timeline-page{max-width:840px}.reading-page,.account-page{padding-top:2.5rem}.space-intro{padding:2rem}.stationery{padding:2.2rem 2rem 1.25rem}.stationery .body-field{min-height:18rem}.write-actions{position:static;grid-template-columns:minmax(0,1fr) minmax(0,1fr);margin-top:1rem;border:0}.preview-dialog{padding:2rem}}@media(max-width:430px){.home-page,.recipient-page,.reading-page,.centered-page,.page-shell{padding-top:max(1.25rem,env(safe-area-inset-top));padding-right:max(1rem,env(safe-area-inset-right));padding-left:max(1rem,env(safe-area-inset-left))}.space-header{gap:.4rem .75rem;margin-bottom:1rem}.space-header .brand-title{padding-right:.8rem;padding-left:.8rem;font-size:.85rem;letter-spacing:.1em}.space-nav{flex-basis:7rem;gap:.6rem}.space-partner{font-size:.78rem}.space-intro{padding:1rem 1.2rem;margin-bottom:1rem;border-radius:24px}.space-toolbar{gap:.6rem;margin-bottom:1.4rem}.space-toolbar .text-link{min-width:44px}.write-intro{margin-bottom:1.2rem}.write-intro h1{font-size:1.65rem}.write-page{padding-bottom:max(1rem,env(safe-area-inset-bottom))}.space-heading-row{gap:.7rem}.space-intro__envelope{display:none}.note-card{padding:1.05rem 1.1rem;border-radius:20px}.note-card__top{gap:.2rem .65rem}.pairing-state .accept-form{padding:1.2rem 1rem}.stationery{margin-bottom:1rem;padding:1.2rem 1.2rem .7rem}.stationery .body-field{height:clamp(8rem,26dvh,13rem);min-height:8rem;font-size:1.03rem}.write-options>summary{padding-left:1rem}.write-options>:not(summary){margin-right:1rem;margin-left:1rem}.write-actions .button{padding-right:.65rem;padding-left:.65rem;font-size:.95rem;letter-spacing:.01em}.preview-dialog{width:calc(100% - 1.25rem);max-height:calc(100dvh - 1.25rem);padding:1.7rem 1.15rem 1.25rem}.preview-dialog article{padding:1.7rem 1.1rem}.preview-dialog .dialog-actions{gap:.9rem}.preview-dialog .dialog-actions .primary-button{grid-row:1}.home-page{padding-top:max(.85rem,env(safe-area-inset-top));padding-bottom:max(.85rem,env(safe-area-inset-bottom));overflow-x:clip;overflow-y:auto}.home-page .home-cat{display:none}.home-page .page-decor .tape-label{top:18px!important;left:12px!important;font-size:.65rem}.home-content{padding-top:0;padding-bottom:0}.home-content .brand-title{margin-bottom:.75rem}.home-content>.envelope{width:128px!important;height:93px!important;margin-bottom:1rem}.home-content h1.auth-title{margin-bottom:.4rem;font-size:clamp(1.6rem,7vw,1.85rem);line-height:1.42}.auth-welcome{margin-bottom:.9rem;font-size:.86rem;line-height:1.65}.home-content .auth-tabs{margin-bottom:.85rem}.home-content .auth-form{gap:.55rem}.home-content .field-label.small{margin-bottom:.2rem}.home-content .field-help,.home-content .field-error{line-height:1.45}.home-content .field-description{margin-bottom:.2rem;font-size:.78rem;line-height:1.55}.home-content .button{min-height:50px}}@media(max-width:430px)and (max-height:720px){.home-content>.envelope{display:none}.write-intro .eyebrow{display:none}.stationery .body-field{height:8rem}}@media(hover:hover)and (pointer:fine){.note-card:hover{transform:translateY(-2px);box-shadow:0 7px 0 var(--sand)}.note-card.is-unread:hover{box-shadow:0 7px #d7e3d7}.note-card.is-unread.is-locked:hover{box-shadow:0 7px #e6dbc0}}@media(prefers-reduced-motion:reduce){.waiting-indicator:before,.timeline-loading>:not(.sr-only,p){animation:none}}.load-more-actions{display:flex;justify-content:center;margin-block:20px 8px}.load-more-actions .button{min-height:44px}
