:root{--paper:#f1eee8;--panel:#e9e4db;--paper-white:#faf8f4;--ink:#1e1d1b;--muted-ink:#68645d;--soft-ink:#8c887f;--line:#d8d1c6;--control:#ded9d0;--accent:#bd4b2f;--shadow:#dcd6cc;--status:#7e9a71}*{box-sizing:border-box}html{background:var(--paper);min-width:320px}body{background:var(--paper);min-height:100vh;color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Helvetica Neue,Noto Sans SC,Microsoft YaHei,Arial,sans-serif}button,input,textarea{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0}button:disabled{cursor:not-allowed}a{color:inherit;text-decoration:none}.site-shell,.reader-shell{width:min(100% - 11.5vw,1368px);min-height:100vh;margin:0 auto}.site-header{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;min-height:104px;display:flex}.brand{align-items:center;gap:14px;display:inline-flex}.brand-mark{background:var(--ink);width:36px;height:36px;color:var(--paper);border-radius:50%;place-items:center;font-family:Georgia,Times New Roman,serif;font-size:23px;font-weight:700;line-height:1;display:grid}.brand-name{letter-spacing:-.04em;font-size:17px;font-weight:750}.header-note{color:var(--soft-ink);letter-spacing:.02em;margin:0;font-size:14px;font-weight:600}.header-note span{color:#aaa49a;padding:0 11px}.hero-grid{grid-template-columns:minmax(0,.93fr) minmax(520px,1.07fr);align-items:start;gap:clamp(50px,7vw,126px);padding:clamp(164px,15.1vh,228px) 0 82px;display:grid}.intro-column{padding-top:1px}.eyebrow,.reader-kicker,.success-kicker{color:var(--accent);letter-spacing:.08em;margin:0;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:15px;font-weight:600}.hero-title{letter-spacing:-.095em;flex-direction:column;margin:34px 0 43px;font-size:clamp(92px,8.9vw,150px);font-weight:800;line-height:.86;display:flex}.hero-title span{white-space:nowrap}.hero-title em{color:var(--accent);letter-spacing:-.11em;font-family:Georgia,Times New Roman,serif;font-size:.93em;font-style:italic;font-weight:700;line-height:.92;transform:translate(-.03em)}.hero-description{max-width:430px;color:var(--muted-ink);letter-spacing:.02em;margin:0;font-size:clamp(18px,1.5vw,23px);font-weight:600;line-height:1.75}.privacy-status{color:var(--soft-ink);align-items:center;gap:11px;margin:100px 0 0;font-size:15px;font-weight:600;display:flex}.status-dot{background:#e1e7dc;border-radius:50%;width:22px;height:22px;display:inline-block;position:relative}.status-dot:after{background:var(--status);content:"";border-radius:50%;position:absolute;inset:7px}.secret-panel{background:var(--panel);box-shadow:11px 11px 0 var(--shadow);border:1px solid #d0c8bb;padding:36px 40px 32px;position:relative}.secret-panel:after,.reader-panel:after{z-index:-1;background:var(--shadow);content:"";position:absolute;inset:11px -1px -1px 11px}.panel-heading,.content-panel-heading{justify-content:space-between;align-items:center;gap:24px;display:flex}.panel-title{color:var(--muted-ink);font-size:18px;font-weight:800}.byte-counter,.countdown{color:var(--muted-ink);font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:13px;font-weight:600}.secret-textarea{resize:vertical;background:var(--paper-white);width:100%;height:350px;color:var(--ink);border:1px solid #d0c8bb;border-radius:0;outline:0;margin-top:19px;padding:27px 29px;font-size:19px;font-weight:500;line-height:1.65;display:block}.secret-textarea::placeholder{color:#b4ada3;opacity:1}.secret-textarea:focus,.password-input:focus,.unlock-form input:focus,.share-url-row input:focus,.custom-time-input input:focus{border-color:#9f9485;box-shadow:0 0 0 2px #bd4b2f1f}.option-groups{grid-template-columns:1fr 1fr;gap:34px;margin-top:37px;display:grid}.option-group{border:0;min-width:0;margin:0;padding:0}.option-group legend{color:var(--muted-ink);margin-bottom:16px;font-size:17px;font-weight:800}.option-grid{gap:8px;display:grid}.read-grid,.expiration-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.option-button{background:var(--control);color:#777169;border:1px solid #0000;border-radius:0;min-height:49px;padding:8px 9px;font-size:15px;font-weight:600;transition:background-color .16s,color .16s,border-color .16s}.option-button:hover{color:var(--ink);background:#d7d1c7}.option-button.is-selected{background:var(--paper-white);color:var(--ink);border-color:#beb4a6;box-shadow:0 3px #c8c0b5}.custom-time-input{color:var(--muted-ink);align-items:center;gap:9px;margin-top:9px;font-size:14px;font-weight:700;display:flex}.custom-time-input input,.password-input,.unlock-form input,.share-url-row input{background:var(--paper-white);min-width:0;color:var(--ink);border:1px solid #c9c0b4;border-radius:0;outline:0}.custom-time-input input{width:88px;padding:9px 10px}.password-row{justify-content:space-between;align-items:flex-start;gap:20px;margin-top:40px;display:flex}.checkbox-label{cursor:pointer;align-items:flex-start;gap:16px;display:flex;position:relative}.checkbox-label input{opacity:0;width:1px;height:1px;position:absolute}.custom-checkbox{background:var(--paper-white);border:1px solid #b8afa3;flex:none;width:25px;height:25px;display:block}.checkbox-label input:checked+.custom-checkbox{border-color:var(--ink);background:var(--ink);box-shadow:inset 0 0 0 6px var(--paper-white)}.checkbox-label strong,.checkbox-label small{display:block}.checkbox-label strong{color:var(--ink);font-size:16px;line-height:1.3}.checkbox-label small{color:var(--soft-ink);margin-top:5px;font-size:13px;font-weight:600}.password-input{width:min(220px,42%);padding:12px 13px;font-size:14px}.primary-action{color:#f8f5ef;background:#8c8983;border-radius:0;justify-content:space-between;align-items:center;width:100%;min-height:64px;margin-top:35px;padding:0 25px;font-size:17px;font-weight:800;transition:background-color .16s,transform .16s;display:flex}.primary-action:hover:not(:disabled){background:#6f6c67;transform:translateY(-1px)}.primary-action:disabled{color:#e9e6df;background:#aaa7a1}.action-arrow{font-size:24px;font-weight:400;line-height:1}.encryption-note{color:var(--soft-ink);text-align:center;margin:20px 0 0;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:12px;font-weight:600}.encryption-note span{padding:0 9px}.form-error{color:#a43d2a;margin:14px 0 0;font-size:13px;font-weight:700;line-height:1.5}.success-view{min-height:500px;padding-top:80px}.success-view h2,.reader-panel h1{letter-spacing:-.07em;margin:22px 0 14px;font-size:clamp(34px,4vw,62px);line-height:.98}.success-view p,.reader-panel>p:not(.reader-kicker):not(.form-error){max-width:480px;color:var(--muted-ink);margin:0;font-size:16px;font-weight:600;line-height:1.7}.share-url-row{gap:8px;margin-top:34px;display:flex}.share-url-row input{flex:1;min-width:0;padding:13px 14px;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:12px}.copy-button,.secondary-action{color:var(--muted-ink);background:0 0;border:1px solid #bcb3a7;border-radius:0;padding:0 18px;font-size:14px;font-weight:800}.copy-button:hover,.secondary-action:hover{background:var(--paper-white);color:var(--ink)}.secondary-action{min-height:46px;margin-top:28px}.reader-shell,.reader-header{position:relative}.reader-shell:before{z-index:0;background:var(--line);content:"";opacity:.7;width:34vw;height:1px;position:fixed;top:37%;left:7vw}.reader-panel{z-index:1;background:var(--panel);width:min(720px,100%);box-shadow:11px 11px 0 var(--shadow);border:1px solid #d0c8bb;margin:clamp(120px,16vh,230px) auto 80px;padding:52px 58px;position:relative}.reader-panel h1{max-width:620px}.unlock-form{margin-top:37px}.unlock-form label{color:var(--muted-ink);margin-bottom:10px;font-size:14px;font-weight:800;display:block}.unlock-form input{width:100%;padding:15px 16px;font-size:16px}.unlock-form .primary-action{margin-top:17px}.content-panel{width:min(880px,100%)}.content-panel-heading{border-bottom:1px solid #d0c8bb;padding-bottom:22px}.countdown{color:var(--accent)}.secret-content{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--paper-white);min-height:280px;color:var(--ink);border:1px solid #d0c8bb;margin:28px 0 0;padding:28px;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:16px;line-height:1.75;overflow-x:auto}.reader-footnote{font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;color:var(--soft-ink)!important;margin-top:19px!important;font-size:12px!important}.link-action{align-items:center;display:inline-flex}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;padding:0;position:absolute;overflow:hidden}@media (max-width:1080px){.site-shell,.reader-shell{width:min(100% - 64px,900px)}.hero-grid{grid-template-columns:1fr;gap:90px;padding-top:110px}.intro-column{max-width:660px}.privacy-status{margin-top:58px}.secret-panel{justify-self:end;width:min(100%,700px)}}@media (max-width:640px){.site-shell,.reader-shell{width:calc(100% - 34px)}.site-header{min-height:82px}.brand{gap:9px}.brand-mark{width:31px;height:31px;font-size:20px}.brand-name{font-size:15px}.header-note{text-align:right;max-width:128px;font-size:11px;line-height:1.35}.header-note span{padding:0 5px}.hero-grid{gap:58px;padding-top:75px;padding-bottom:50px}.eyebrow,.reader-kicker,.success-kicker{letter-spacing:.06em;font-size:11px}.hero-title{margin:26px 0 31px;font-size:clamp(70px,22vw,122px)}.hero-description{max-width:320px;font-size:17px;line-height:1.65}.privacy-status{margin-top:48px;font-size:13px}.secret-panel{box-shadow:7px 7px 0 var(--shadow);padding:26px 18px 23px}.panel-title{font-size:16px}.byte-counter{font-size:11px}.secret-textarea{height:250px;padding:18px;font-size:16px}.option-groups{grid-template-columns:1fr;gap:28px;margin-top:29px}.option-group legend{margin-bottom:11px;font-size:15px}.option-button{min-height:44px;font-size:13px}.password-row{margin-top:29px;display:block}.password-input{width:calc(100% - 41px);margin:15px 0 0 41px}.primary-action{min-height:57px;margin-top:28px;padding:0 18px;font-size:15px}.encryption-note{letter-spacing:-.02em;font-size:10px}.encryption-note span{padding:0 4px}.success-view{min-height:430px;padding-top:47px}.success-view h2,.reader-panel h1{font-size:38px}.share-url-row{display:block}.share-url-row input{width:100%}.copy-button{width:100%;min-height:44px;margin-top:8px}.reader-panel{box-shadow:7px 7px 0 var(--shadow);margin-top:90px;padding:31px 20px}.reader-panel h1{margin-top:18px}.secret-content{min-height:220px;padding:19px;font-size:14px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}