:root{
  --bg:#08090a;
  --ink:#f2f2ee;
  --muted:#8f8f88;
  --line:rgba(242,242,238,.16);
  --line-strong:rgba(242,242,238,.32);
  --blue:#8d99d6;
  --blue-soft:rgba(141,153,214,.08);
  --serif:"Songti SC","Noto Serif CJK SC","Source Han Serif SC","STSong","SimSun",serif;
  --sans:"PingFang SC","Noto Sans CJK SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --gutter:clamp(20px,4.5vw,64px);
  --head-height:65px;
}

*{box-sizing:border-box;margin:0;padding:0}
[hidden]{display:none !important}
html{color-scheme:dark}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  line-height:1.7;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
::selection{background:var(--blue);color:var(--bg)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}

.auth-bg{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(90% 55% at 50% 100%,rgba(141,153,214,.10),transparent 72%),
    radial-gradient(70% 45% at 50% 0%,rgba(141,153,214,.045),transparent 70%),
    var(--bg);
}

.site-head{
  position:sticky;top:0;z-index:40;
  border-bottom:1px solid transparent;
  transition:background .35s,border-color .35s,backdrop-filter .35s;
}
body.scrolled .site-head{
  background:rgba(8,9,10,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom-color:var(--line);
}
.head-inner{
  max-width:1440px;margin:0 auto;
  padding:17px var(--gutter);
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  line-height:1.8;
}
.brand{
  display:flex;align-items:center;gap:10px;
  font-family:var(--serif);font-size:15px;font-weight:500;letter-spacing:.05em;white-space:nowrap;
}
.brand-dot{display:inline-block;width:9px;height:9px;background:var(--blue);flex:0 0 auto}
.nav{display:flex;align-items:baseline;gap:clamp(16px,2.6vw,36px);font-size:12px;font-weight:500;letter-spacing:.06em}
.nav a{position:relative;padding:4px 0;color:var(--muted);transition:color .25s}
.nav a em{
  font-style:normal;font-family:var(--mono);font-size:8px;letter-spacing:.12em;
  color:var(--blue);margin-left:5px;text-transform:uppercase;
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;
  background:var(--blue);transform:scaleX(0);transform-origin:right;
  transition:transform .3s ease;
}
.nav a:hover,.nav a.active{color:var(--blue)}
.nav a:hover::after,.nav a.active::after{transform:scaleX(1);transform-origin:left}
.today{font-family:var(--mono);font-size:10px;letter-spacing:.14em;color:var(--muted);white-space:nowrap}

.auth-wrap{
  max-width:1120px;margin:0 auto;min-height:calc(100vh - var(--head-height));
  padding:26px clamp(20px,4vw,48px) 30px;
  display:flex;flex-direction:column;
}
.auth-head{
  display:flex;align-items:center;justify-content:flex-end;gap:20px;
  padding-bottom:16px;border-bottom:1px solid var(--line);
}
.auth-tag{
  font-family:var(--mono);font-size:9px;letter-spacing:.2em;
  color:var(--muted);text-transform:uppercase;text-align:right;
}
.auth-main{flex:1;padding-top:clamp(40px,8vh,88px)}
.narrow{width:100%;max-width:470px;margin:0 auto}
.wide{width:100%}

.eyebrow{
  font-family:var(--mono);font-size:9px;letter-spacing:.22em;
  color:var(--blue);text-transform:uppercase;margin-bottom:10px;
}
h1{
  font-family:var(--serif);font-size:clamp(2.2rem,5vw,3.6rem);
  font-weight:500;line-height:1.08;letter-spacing:.01em;
  background:linear-gradient(100deg,var(--ink) 0%,#c9d0ea 52%,var(--ink) 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.lead{color:var(--muted);margin:16px 0 28px;max-width:48ch;text-wrap:pretty}
.muted{color:var(--muted)}

.auth-form{display:flex;flex-direction:column;gap:16px;margin-top:6px}
label{
  display:flex;flex-direction:column;gap:7px;
  font-family:var(--mono);font-size:10px;letter-spacing:.12em;
  color:var(--muted);text-transform:uppercase;
}
input,select,textarea{
  width:100%;background:#0d0f12;border:1px solid var(--line);
  color:var(--ink);font-family:var(--sans);font-size:.95rem;
  padding:12px 13px;border-radius:0;outline:none;
  transition:border-color .2s,background .2s;
}
input:focus,select:focus,textarea:focus{border-color:var(--blue);background:#101319}
textarea{resize:vertical;line-height:1.7}
select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px,5px 5px;background-repeat:no-repeat;padding-right:32px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--ink);color:var(--bg);border:0;
  padding:13px 18px;font-family:var(--mono);font-size:10px;
  letter-spacing:.18em;text-transform:uppercase;
  transition:background .25s,color .25s;cursor:pointer;
}
.btn:hover{background:var(--blue);color:var(--bg)}

.form-error{
  color:#e8a1a1;border-left:2px solid #e8a1a1;
  padding:8px 12px;margin:14px 0;font-size:.9rem;
}
.form-note{margin-top:22px;color:var(--muted);font-size:.9rem;display:flex;gap:18px;flex-wrap:wrap}
.linkish{
  display:inline;color:var(--ink);font-family:var(--mono);font-size:10px;
  letter-spacing:.1em;text-decoration:none;background:none;
  border:0;border-bottom:1px solid var(--line);padding:0 0 2px;
  cursor:pointer;white-space:nowrap;
}
.linkish:hover{color:var(--blue);border-color:var(--blue)}
.linkish.danger:hover{color:#e8a1a1;border-color:#e8a1a1}

.auth-foot{
  display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:56px;padding-top:20px;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:9px;letter-spacing:.16em;color:var(--muted);
}
.auth-foot a{color:var(--muted)}
.auth-foot a:hover{color:var(--ink)}

.flashes{margin-top:18px}
.flash{
  padding:10px 12px;border-left:2px solid var(--blue);
  background:var(--blue-soft);font-size:.9rem;margin-bottom:8px;
}
.flash.error{border-color:#e8a1a1;background:rgba(232,161,161,.06)}

.member-bar{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  flex-wrap:wrap;margin-bottom:clamp(28px,4vw,44px);
}
.member-user{
  display:flex;align-items:center;gap:18px;flex-wrap:wrap;
  font-family:var(--mono);font-size:10px;letter-spacing:.08em;color:var(--muted);
}
.member-user form{display:inline}

.member-grid{
  display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.15fr);
  gap:clamp(18px,3vw,32px);align-items:start;
}
.panel{
  border:1px solid var(--line);
  padding:clamp(18px,2.4vw,28px);
  background:rgba(255,255,255,.014);
}
.panel h3{
  font-family:var(--serif);font-size:1.18rem;font-weight:500;
  letter-spacing:.02em;line-height:1.35;margin:4px 0 6px;
}
.admin-panel{margin-bottom:26px}

.entry-form{display:flex;flex-direction:column;gap:15px;margin-top:16px}
.entry-list,.invite-list{list-style:none;margin-top:18px}
.entry-list li{border-top:1px solid var(--line);padding:16px 0}
.entry-list li:first-child{border-top:0;padding-top:4px}
.entry-meta{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-family:var(--mono);font-size:9px;letter-spacing:.1em;color:var(--muted);
}
.entry-list p{white-space:pre-wrap;color:var(--muted);font-size:.9rem;margin-top:6px}
.entry-actions{display:flex;align-items:center;gap:16px;margin-top:10px}
.entry-actions form{display:inline}
.pill{
  display:inline-block;padding:2px 7px;border:1px solid var(--line);
  font-family:var(--mono);font-size:8px;letter-spacing:.12em;
  color:var(--blue);text-transform:uppercase;
}
.pill.used{color:var(--muted);border-color:var(--line)}
.pill.expired{color:#a98484;border-color:rgba(232,161,161,.24)}

.invite-box{
  border:1px solid var(--blue);background:var(--blue-soft);
  padding:18px;margin-bottom:24px;
}
.invite-box p{font-size:.9rem;color:var(--muted);margin-top:4px}
.invite-box code{
  display:block;margin-top:10px;font-family:var(--mono);
  font-size:.82rem;line-height:1.6;word-break:break-all;color:var(--ink);
}
.invite-form{display:flex;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-top:14px}
.invite-form label{flex:1 1 220px}
.check{
  flex-direction:row;align-items:center;gap:8px;
  font-family:var(--sans);font-size:.9rem;letter-spacing:0;
  text-transform:none;color:var(--muted);flex:0 0 auto;padding-bottom:12px;
}
.check input{width:auto}
.invite-list li{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:10px 0;border-top:1px solid var(--line);
  font-family:var(--mono);font-size:10px;letter-spacing:.06em;color:var(--muted);
}

@media (max-width:860px){
  .auth-wrap{padding:20px 20px 26px}
  .member-grid{grid-template-columns:1fr}
  .auth-foot{flex-direction:column;gap:8px;margin-top:40px}
  .member-bar{align-items:flex-start}
}
@media (max-width:760px){
  .head-inner{flex-wrap:wrap;gap:10px 14px;padding:14px var(--gutter)}
  .nav{order:3;flex-basis:100%;justify-content:space-between;gap:8px;font-size:12px;letter-spacing:.04em}
  .nav a{padding:6px 0}
  .nav a em{display:none}
  .auth-wrap{min-height:calc(100vh - 96px)}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important}
}