:root{--ink:#24332e;--muted:#505b56;--paper:#fffdf7;--ground:#eee8dc;--green:#27443c;--gold:#7b5729;--line:rgba(39,68,60,.2);font-family:"Songti SC","STSong","Noto Serif CJK SC","Source Han Serif SC",Georgia,serif;color:var(--ink);background:var(--ground)}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:radial-gradient(circle at 12% 4%,rgba(255,255,255,.9),transparent 32rem),linear-gradient(135deg,rgba(106,145,134,.12),transparent 45%),var(--ground);line-height:1.8}
body:before{content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.14'/%3E%3C/svg%3E")}
a{color:inherit}
button,input{font:inherit}
.eyebrow{margin:0;color:var(--gold);font:600 .72rem/1.4 ui-monospace,SFMono-Regular,monospace;letter-spacing:.18em}
.muted{color:var(--muted)}
.site-head{max-width:68rem;margin:auto;padding:clamp(3rem,8vw,7rem) 1.3rem 2rem;display:flex;align-items:flex-end;justify-content:space-between;gap:2rem}
.site-head h1{font-size:clamp(2.5rem,8vw,5.4rem);font-weight:500;line-height:1;margin:.55rem 0 1rem;letter-spacing:-.04em}
.site-head>div>p:last-child{max-width:31rem;color:var(--muted)}
.text-button{border:0;background:none;color:var(--muted);text-decoration:underline;text-underline-offset:.35em;cursor:pointer}
.page{max-width:68rem;margin:auto;padding:0 1.3rem 5rem}
.filters{display:grid;grid-template-columns:2fr 1fr auto;gap:.7rem;padding:1rem;border-block:1px solid var(--line);margin-bottom:2.4rem}
.filters label{display:grid;gap:.2rem}
.filters span{font-size:.72rem;color:var(--muted)}
input{width:100%;border:0;border-bottom:1px solid var(--line);background:transparent;padding:.35rem .1rem;color:var(--ink)}
input:focus-visible,button:focus-visible,a:focus-visible{outline:3px solid #9b6c31;outline-offset:3px}
button,.filters button{border:0;border-radius:999px;background:var(--green);color:#fffdf7;padding:.65rem 1.2rem;cursor:pointer}
.diary-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1.2rem}
.diary-card{position:relative;overflow:hidden;background:rgba(255,253,247,.9);border:1px solid rgba(255,255,255,.8);border-radius:.4rem 2.2rem .4rem .4rem;padding:clamp(1.5rem,5vw,2.7rem);box-shadow:0 20px 60px rgba(36,51,46,.08);animation:arrive .55s both}
.diary-card:nth-child(2n){animation-delay:.08s}
.diary-card:after{content:"";position:absolute;width:6rem;height:6rem;right:-2.4rem;bottom:-2.8rem;border:1px solid rgba(123,87,41,.25);border-radius:50%}
.diary-card time{color:var(--gold);font-size:.78rem;letter-spacing:.12em}
.diary-card h2{margin:.55rem 0 .7rem;font-size:1.55rem;line-height:1.35;font-weight:600}
.diary-card h2 a{text-decoration:none}
.tags{list-style:none;padding:0;margin:.7rem 0;display:flex;gap:.45rem;flex-wrap:wrap}
.tags li{border:1px solid var(--line);border-radius:999px;padding:.08rem .55rem;font-size:.72rem;color:var(--muted)}
.preview{color:#40504a;white-space:pre-line;display:-webkit-box;-webkit-line-clamp:5;-webkit-box-orient:vertical;overflow:hidden}
.read-more{display:inline-block;margin-top:1rem;text-decoration:none;color:var(--green);font-weight:600}
.empty{grid-column:1/-1;text-align:center;padding:6rem 1rem;color:var(--muted)}
footer{text-align:center;color:var(--muted);font-size:.75rem;padding:3rem 1rem}
.detail-nav{max-width:48rem;margin:auto;padding:2rem 1.2rem}
.detail-nav a{text-decoration:none;color:var(--muted)}
.detail-page{max-width:48rem;margin:auto;padding:0 1.2rem 6rem}
.paper{background:rgba(255,253,247,.94);padding:clamp(2rem,8vw,5.5rem);box-shadow:0 30px 90px rgba(36,51,46,.1);border-radius:.35rem 3rem .35rem .35rem}
.paper header{border-bottom:1px solid var(--line);padding-bottom:1.6rem;margin-bottom:2.2rem}
.paper time{color:var(--gold);font-size:.8rem;letter-spacing:.12em}
.paper h1{font-size:clamp(2rem,7vw,3.8rem);line-height:1.2;font-weight:500;margin:.7rem 0}
.prose{font-size:clamp(1rem,2vw,1.12rem);line-height:2}
.prose p{margin:0 0 1.45em}
.prose blockquote{margin:2rem 0;padding-left:1.2rem;border-left:2px solid var(--gold);color:var(--muted)}
.prose a{color:var(--green);text-decoration-thickness:1px;text-underline-offset:.25em}
.revision-link{margin-top:4rem;padding-top:1rem;border-top:1px solid var(--line);font-size:.78rem;color:var(--muted)}
.reason{margin:2rem 0;padding:1.3rem;background:#f6f0e4;border-left:2px solid var(--gold)}
.history{padding-left:1.4rem}
.history li{padding:.8rem 0;border-bottom:1px solid var(--line);display:grid;gap:.2rem}
.history time{color:var(--gold);font-size:.78rem}
.login-page{display:grid;place-items:center}
.login-shell{width:min(92vw,28rem);padding:2rem}
.login-card{background:rgba(255,253,247,.93);padding:3rem 2.3rem;border-radius:.4rem 3rem .4rem .4rem;box-shadow:0 30px 90px rgba(36,51,46,.12)}
.seal{display:grid;place-items:center;width:3.2rem;height:3.2rem;background:var(--green);color:white;border-radius:50%;margin-bottom:1.3rem}
.login-card h1{font-size:2.4rem;font-weight:500;margin:.5rem 0}
.login-card form{display:grid;gap:.8rem;margin-top:2rem}
.login-card label{font-size:.8rem;color:var(--muted)}
.login-card input{padding:.6rem .2rem}
.form-error{padding:.6rem .8rem;background:#f3e5dd;color:#713b2e;font-size:.86rem}
@keyframes arrive{from{opacity:0;transform:translateY(12px)}
to{opacity:1;transform:none}
}
@media(max-width:680px){.site-head{align-items:flex-start}
.site-head>div>p:last-child{font-size:.9rem}
.filters{grid-template-columns:1fr}
.diary-grid{grid-template-columns:1fr}
.diary-card{border-radius:.3rem 1.6rem .3rem .3rem}
.paper{padding:2rem 1.4rem}
.logout{padding-top:.3rem}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;scroll-behavior:auto!important}
}

/* CSS-only paper grain, kept deliberately below five percent opacity. */
.login-page{background:var(--green)}
.login-card{position:relative;overflow:hidden;isolation:isolate}
.login-card:before{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.04;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='96' height='96'%3E%3Cfilter id='paper'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.62' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23paper)' opacity='.9'/%3E%3C/svg%3E")}
.seal{background:#171a18}
.title-star{display:block;width:max-content;margin:.7rem 0 -.2rem;font-size:1.1rem;line-height:1;color:var(--ink)}