:root{color-scheme:light;--bg:#f5f5f7;--paper:rgba(255,255,255,.88);--ink:#1d1d1f;--muted:#6e6e73;--line:rgba(29,29,31,.09);--blue:#0071e3;--blue-hover:#0077ed;--red:#c9342d;--green:#18864b;--shadow:0 16px 48px rgba(29,29,31,.06);--radius:24px}*{box-sizing:border-box}html{min-height:100%;background:var(--bg)}body{margin:0;color:var(--ink);font:400 15px/1.55 -apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:radial-gradient(ellipse at 15% 0%,rgba(255,255,255,.92),transparent 45%),var(--bg);min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--blue);text-decoration:none}a:hover{color:var(--blue-hover)}button,input,select{font:inherit}.topbar{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:0 max(22px,calc((100% - 1120px)/2));border-bottom:1px solid rgba(29,29,31,.05);background:rgba(250,250,252,.72);backdrop-filter:saturate(180%) blur(18px);-webkit-backdrop-filter:saturate(180%) blur(18px);position:sticky;top:0;z-index:5}.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:650;letter-spacing:-.025em}.brand-mark{display:grid;place-items:center;width:29px;height:29px;color:#fff;border-radius:9px;background:#171719;font-size:14px;font-weight:700}.topbar nav{display:flex;align-items:center;gap:21px;color:var(--muted);font-size:13px}.topbar nav a{color:var(--muted)}.page{max-width:1120px;padding:56px 22px 72px;margin:0 auto;min-height:calc(100vh - 132px)}.narrow{max-width:480px;margin:0 auto}.hero{text-align:center;margin:18px auto 32px;max-width:720px}.eyebrow{font-size:12px;letter-spacing:.14em;color:var(--muted);text-transform:uppercase;font-weight:650}.hero h1,.page-title{font-weight:700;letter-spacing:-.055em;line-height:1.12;font-size:clamp(32px,5.2vw,50px);margin:12px 0}.hero p{font-size:16px;color:var(--muted);margin:12px auto 0;max-width:560px}.card{background:var(--paper);border:1px solid rgba(255,255,255,.92);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px)}.card h2{margin:0 0 8px;font-size:23px;letter-spacing:-.035em}.subtle{margin:0;color:var(--muted);font-size:13px}.field{display:grid;gap:8px;margin:20px 0}.field label{font-size:13px;color:#424245;font-weight:600}.input{width:100%;height:49px;border:1px solid rgba(29,29,31,.13);border-radius:13px;background:rgba(255,255,255,.92);padding:0 15px;outline:none;transition:border-color .18s,box-shadow .18s}.input:focus{border-color:rgba(0,113,227,.7);box-shadow:0 0 0 4px rgba(0,113,227,.12)}.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:46px;padding:0 19px;border:0;border-radius:13px;background:var(--blue);color:#fff;font-weight:650;cursor:pointer;transition:transform .12s,background .12s;box-shadow:0 5px 14px rgba(0,113,227,.16)}.button:hover{color:#fff;background:var(--blue-hover)}.button:active{transform:scale(.985)}.button.full{width:100%;margin-top:5px}.button.secondary{background:#f0f0f2;color:var(--ink);box-shadow:none}.button.danger{background:#fff1f0;color:var(--red);box-shadow:none}.button.success{background:#e7f7ed;color:var(--green);box-shadow:none}.button.small{min-height:32px;border-radius:9px;padding:0 11px;font-size:12px}.notice{padding:12px 14px;border-radius:13px;background:#f0f6ff;color:#24527c;font-size:13px;margin:0 0 16px}.notice.error{background:#fff0ef;color:#a62a25}.notice.success{background:#eaf8ef;color:#17683c}.fineprint{font-size:11px;line-height:1.5;color:#8a8a90;margin-top:16px;text-align:center}.identity{display:flex;align-items:center;gap:16px}.avatar{width:56px;height:56px;flex:none;border-radius:18px;background:#1d1d1f;color:white;display:grid;place-items:center;font-size:24px;font-weight:650}.identity h2{margin:0;font-size:25px;letter-spacing:-.04em}.identity p{color:var(--muted);margin:4px 0 0}.pill{display:inline-flex;align-items:center;gap:6px;background:#eaf8ef;color:#17683c;border-radius:99px;padding:5px 10px;font-size:12px;font-weight:650}.dot{width:6px;height:6px;background:#25a45a;border-radius:50%}.divider{height:1px;background:var(--line);margin:25px 0}.hint-box{background:#f5f5f7;border-radius:16px;padding:15px 17px;color:#5e5e63;font-size:13px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin:0 0 20px}.section-head h1{font-size:32px;line-height:1.15;letter-spacing:-.05em;margin:0}.section-head p{margin:6px 0 0;color:var(--muted);font-size:13px}.stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:22px 0}.stat{padding:19px 21px;border:1px solid rgba(255,255,255,.9);background:var(--paper);border-radius:19px;box-shadow:0 8px 26px rgba(29,29,31,.035)}.stat span{display:block;color:var(--muted);font-size:12px}.stat strong{display:block;font-size:30px;letter-spacing:-.05em;margin-top:6px}.admin-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px;align-items:start}.admin-section{margin-bottom:18px}.admin-section h2{font-size:19px;letter-spacing:-.03em;margin:0 0 15px}.compact-form{display:flex;align-items:end;gap:9px;flex-wrap:wrap}.compact-form .field{flex:1;min-width:140px;margin:0}.compact-form .button{white-space:nowrap}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:15px}.data-table{width:100%;border-collapse:collapse;min-width:570px;font-size:13px}.data-table th{color:var(--muted);font-size:11px;text-align:left;font-weight:650;background:#f8f8fa}.data-table th,.data-table td{padding:12px 13px;border-bottom:1px solid var(--line);vertical-align:middle}.data-table tr:last-child td{border-bottom:0}.data-table td strong{font-weight:650}.actions{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.inline-form{display:inline;margin:0}.tag{display:inline-block;padding:3px 8px;border-radius:8px;background:#f0f0f2;color:#5d5d63;font-size:11px}.tag.blocked{background:#fff0ef;color:#b72e29}.tag.active{background:#eaf8ef;color:#17683c}.search-bar{display:flex;gap:8px;margin-bottom:14px}.search-bar .input{flex:1}.empty{padding:24px;text-align:center;color:var(--muted);font-size:13px}.credentials{margin-top:16px;padding:16px;border-radius:15px;border:1px solid rgba(0,113,227,.18);background:#f0f6ff;overflow-wrap:anywhere}.credentials code{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;margin-top:6px;color:#153d65}.footer{max-width:1120px;margin:0 auto;padding:0 22px 26px;display:flex;align-items:center;justify-content:space-between;color:#96969b;font-size:11px}.footer a{color:#8a8a90}.login-top{margin:0 0 25px}.install-note{font-size:13px;color:var(--muted);line-height:1.6}.break-word{overflow-wrap:anywhere}.muted{color:var(--muted)}.mb-0{margin-bottom:0}.mt-16{margin-top:16px}.center{text-align:center}.admin-login-title{font-size:34px;letter-spacing:-.05em;margin:0 0 8px}
@media(max-width:760px){.topbar{height:60px;padding:0 17px}.brand{font-size:13px}.topbar nav{gap:13px;font-size:12px}.page{padding:32px 15px 48px;min-height:calc(100vh - 112px)}.card{padding:23px 20px;border-radius:20px}.hero{margin:10px auto 25px}.hero h1{font-size:34px}.hero p{font-size:14px}.admin-grid{grid-template-columns:1fr}.stats{gap:9px}.stat{padding:15px 13px;border-radius:15px}.stat strong{font-size:25px}.stat span{font-size:11px}.section-head{align-items:start;flex-direction:column}.section-head h1{font-size:29px}.footer{padding:0 15px 20px}.compact-form .field{min-width:100%}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* V3 responsive refresh: calmer spacing, compact copy, and no clipped panels. */
.page{width:100%;max-width:1160px;min-width:0}
.card,.admin-section,.admin-grid>*{min-width:0}
.admin-section{margin:18px 0;padding:26px}
.admin-section h2{margin-bottom:10px}
.admin-section>.subtle{line-height:1.5}
.input,select,textarea,button{max-width:100%;min-width:0}
input,textarea,select{overflow-wrap:anywhere}
.table-wrap{max-width:100%;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}
.data-table{min-width:640px}
.data-table td,.data-table th{overflow-wrap:anywhere;word-break:break-word}
.section-head{align-items:center}
.auth-page{width:min(100%,480px);margin:0 auto}
.auth-page-wide{width:100%;max-width:1040px}
.auth-page .hero{margin:4px auto 22px}
.auth-page .hero h1{font-size:clamp(30px,4vw,40px);margin:10px 0}
.auth-page .hero p{font-size:14px}
.auth-message{margin:0 auto 14px;max-width:1040px;overflow-wrap:anywhere}
.auth-methods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;align-items:stretch}
.auth-group{min-width:0;padding:24px;background:rgba(255,255,255,.9);border:1px solid rgba(29,29,31,.045);border-radius:22px;box-shadow:0 10px 32px rgba(29,29,31,.045)}
.auth-group-head{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:0 0 18px}
.auth-group-head h2{font-size:20px;margin:0;letter-spacing:-.035em}
.auth-chip{display:inline-flex;align-items:center;white-space:nowrap;border-radius:99px;padding:5px 9px;background:#f1f1f3;color:#66666c;font-size:11px;font-weight:600}
.auth-group .field{margin:15px 0}
.auth-group .field label{font-size:12px}
.auth-group .input{height:47px;border-radius:12px}
.auth-group .fineprint{margin:12px 0 0}
.auth-actions{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}
.auth-actions .button{flex:1;min-width:118px;padding:0 12px}
.single-auth-group{max-width:480px;margin:0 auto}
.smtp-panel{padding:26px}
.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:14px}
.panel-heading h2{margin:0 0 5px}
.smtp-form{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;gap:13px;align-items:end}
.smtp-form .field,.smtp-test-form .field{min-width:0;margin:0}
.smtp-form .input,.smtp-test-form .input{min-width:0}
.smtp-buttons{display:flex;align-items:end}
.smtp-test-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:13px;align-items:end}
.smtp-test-form .button{white-space:nowrap}
.smtp-tip{font-size:12px;color:var(--muted);margin:10px 0 0}
.smtp-panel .divider{margin:20px 0}
.smtp-panel .actions{align-items:center;justify-content:space-between}
.smtp-panel .actions .subtle{max-width:100%;overflow-wrap:anywhere}
.button:disabled{opacity:.45;cursor:not-allowed;box-shadow:none}
.admin-section .compact-form{gap:12px}
.admin-section details{max-width:100%}
.admin-section summary{cursor:pointer;color:var(--blue);font-size:12px}
.break-word{overflow-wrap:anywhere;word-break:break-word}

@media(max-width:900px){
  .page{padding:34px 18px 52px}
  .admin-section{padding:22px}
  .smtp-form{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}
  .smtp-buttons{grid-column:1/-1}
  .smtp-buttons .button{width:100%}
}
@media(max-width:680px){
  .topbar{height:auto;min-height:58px;padding:11px 15px;gap:10px}
  .brand{font-size:12px;max-width:70%;overflow-wrap:anywhere}
  .brand-mark{flex:none}
  .topbar nav{gap:10px;flex-wrap:wrap;justify-content:flex-end;font-size:11px}
  .page{padding:26px 13px 38px;min-height:calc(100vh - 108px)}
  .hero{margin:7px auto 20px}
  .hero h1,.auth-page .hero h1{font-size:30px;letter-spacing:-.045em}
  .hero p{font-size:13px}
  .card{padding:20px 16px;border-radius:18px}
  .auth-page-wide{width:100%}
  .auth-methods{grid-template-columns:minmax(0,1fr);gap:13px}
  .auth-group{padding:20px 16px;border-radius:18px}
  .auth-group-head{margin-bottom:14px}
  .auth-group-head h2{font-size:18px}
  .auth-group .field{margin:13px 0}
  .auth-actions{display:grid;grid-template-columns:1fr 1fr}
  .auth-actions .button{min-width:0;width:100%;padding:0 8px;font-size:13px}
  .single-auth-group{width:100%;max-width:none}
  .section-head{align-items:flex-start;gap:10px}
  .section-head h1{font-size:28px}
  .section-head p{font-size:12px}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .stat{padding:14px 12px}
  .stat strong{font-size:24px}
  .admin-grid{grid-template-columns:minmax(0,1fr)}
  .admin-section{padding:18px 15px;margin:13px 0;border-radius:18px}
  .admin-section h2{font-size:18px}
  .compact-form{align-items:stretch;flex-direction:column}
  .compact-form .field{width:100%;min-width:0}
  .compact-form .button{width:100%}
  .search-bar{align-items:stretch}
  .search-bar .button{padding:0 13px;white-space:nowrap}
  .smtp-panel{padding:19px 15px}
  .panel-heading{align-items:flex-start;flex-direction:column}
  .smtp-form,.smtp-test-form{grid-template-columns:minmax(0,1fr)}
  .smtp-form .field,.smtp-test-form .field{width:100%}
  .smtp-buttons,.smtp-test-form>.button{grid-column:auto;width:100%}
  .smtp-panel .actions{align-items:flex-start;flex-direction:column}
  .smtp-panel .actions form,.smtp-panel .actions button{width:100%}
  .smtp-panel .actions .subtle{line-height:1.5}
  .data-table{min-width:620px;font-size:12px}
  .data-table th,.data-table td{padding:10px 11px}
  .footer{gap:12px;flex-wrap:wrap;padding:0 13px 18px}
}
@media(max-width:360px){
  .brand{font-size:11px;gap:7px}
  .brand-mark{width:26px;height:26px}
  .auth-actions{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr}
  .stat strong{font-size:22px}
}


/* V4 admin IA: separate pages, less density, and reliable small-screen navigation. */
.admin-nav-wrap{position:relative;z-index:4;background:rgba(250,250,252,.88);border-bottom:1px solid rgba(29,29,31,.07);backdrop-filter:saturate(180%) blur(16px);-webkit-backdrop-filter:saturate(180%) blur(16px)}
.admin-nav{display:flex;align-items:center;gap:6px;max-width:1160px;margin:0 auto;padding:9px 22px;overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin}
.admin-nav-link{display:inline-flex;align-items:center;flex:0 0 auto;min-height:36px;padding:0 13px;border-radius:11px;color:#5f6065;font-size:12px;white-space:nowrap;transition:background .15s,color .15s}
.admin-nav-link:hover{background:rgba(0,0,0,.045);color:var(--ink)}
.admin-nav-link.active{background:#1d1d1f;color:#fff}
.admin-shortcuts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
.admin-shortcut{display:flex;min-width:0;min-height:132px;flex-direction:column;align-items:flex-start;padding:18px;border-radius:17px;background:rgba(245,245,247,.8);color:var(--ink);transition:transform .16s,background .16s}
.admin-shortcut:hover{background:#f0f0f2;color:var(--ink);transform:translateY(-1px)}
.admin-shortcut strong{font-size:15px;font-weight:650;letter-spacing:-.02em}
.admin-shortcut span{margin-top:6px;color:var(--muted);font-size:12px;line-height:1.5}
.admin-shortcut b{margin-top:auto;padding-top:12px;color:var(--blue);font-size:12px;font-weight:600}
.toggle-row{display:flex;align-items:flex-start;gap:12px;margin-top:16px;padding:15px 16px;border-radius:14px;background:rgba(245,245,247,.8);cursor:pointer}
.toggle-row input{margin:4px 0 0;flex:none;width:17px;height:17px}
.toggle-row span{display:grid;gap:3px}.toggle-row strong{font-size:13px}.toggle-row small{color:var(--muted);font-size:12px;line-height:1.45}
.block-form,.create-client-form{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr) auto;gap:13px;align-items:end}
.block-form .field,.create-client-form .field,.mail-settings-form .field,.mail-test-form .field{min-width:0;margin:0}
.mail-settings-form{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) auto;gap:14px;align-items:end}
.mail-settings-actions{display:flex;align-items:end}
.mail-test-form{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:14px;align-items:end;margin-top:18px}
.auth-method-form{min-width:170px;display:grid;gap:8px}.auth-method-form .input{height:40px}.auth-method-form .button{justify-self:start}
.code-wrap{display:inline-block;max-width:180px;white-space:normal;overflow-wrap:anywhere}
.admin-section textarea.input{height:auto;min-height:180px;line-height:1.6;padding-top:13px}
@media(max-width:900px){.admin-shortcuts{grid-template-columns:repeat(2,minmax(0,1fr))}.block-form,.create-client-form,.mail-settings-form{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.block-form>.button,.create-client-form>.button,.mail-settings-actions{grid-column:1/-1}.block-form>.button,.create-client-form>.button,.mail-settings-actions .button{width:100%}}
@media(max-width:680px){.admin-nav{padding:8px 12px;gap:4px}.admin-nav-link{min-height:34px;padding:0 11px;font-size:12px}.admin-shortcuts{grid-template-columns:minmax(0,1fr);gap:9px}.admin-shortcut{min-height:106px;padding:16px}.block-form,.create-client-form,.mail-settings-form,.mail-test-form{grid-template-columns:minmax(0,1fr);gap:14px}.block-form>.button,.create-client-form>.button,.mail-settings-actions{grid-column:auto;width:100%}.mail-settings-actions .button,.mail-test-form>.button{width:100%}.auth-method-form{min-width:150px}.admin-shortcut span{margin-top:4px}}

/* V5 public experience: polished, restrained cosmic ambience; no admin link or filler copy. */
html:has(body.site-public){background:#080b19}
body.site-public{
  --cosmic-ink:#101426;--cosmic-muted:#697187;
  color:#f8f9ff;position:relative;isolation:isolate;min-height:100svh;
  background:
    radial-gradient(1px 1px at 7% 19%,rgba(255,255,255,.75) 98%,transparent 100%),
    radial-gradient(1px 1px at 18% 79%,rgba(210,220,255,.65) 98%,transparent 100%),
    radial-gradient(1px 1px at 31% 35%,rgba(255,255,255,.56) 98%,transparent 100%),
    radial-gradient(1px 1px at 46% 12%,rgba(220,230,255,.66) 98%,transparent 100%),
    radial-gradient(1px 1px at 59% 75%,rgba(255,255,255,.62) 98%,transparent 100%),
    radial-gradient(1px 1px at 72% 29%,rgba(205,222,255,.7) 98%,transparent 100%),
    radial-gradient(1px 1px at 88% 62%,rgba(255,255,255,.62) 98%,transparent 100%),
    radial-gradient(ellipse at 12% 16%,rgba(93,55,184,.42),transparent 34%),
    radial-gradient(ellipse at 84% 8%,rgba(25,126,177,.35),transparent 33%),
    radial-gradient(ellipse at 68% 90%,rgba(70,55,151,.26),transparent 37%),
    linear-gradient(145deg,#080b19 0%,#11142b 48%,#080d1b 100%);
  background-attachment:fixed;
}
body.site-public::before{
  content:"";position:fixed;inset:-18%;z-index:-1;pointer-events:none;opacity:.66;
  background:radial-gradient(ellipse at 26% 42%,rgba(106,71,209,.28),transparent 28%),radial-gradient(ellipse at 74% 34%,rgba(41,163,205,.19),transparent 25%),radial-gradient(ellipse at 58% 80%,rgba(105,71,189,.17),transparent 28%);
  filter:blur(32px);animation:cosmicDrift 22s ease-in-out infinite alternate;
}
@keyframes cosmicDrift{from{transform:translate3d(-1.2%,0,0) scale(1)}to{transform:translate3d(1.2%,-1%,0) scale(1.06)}}
body.site-public .topbar{
  height:66px;padding:0 max(22px,calc((100% - 1120px)/2));
  color:#f7f8ff;background:rgba(9,12,30,.52);border-bottom:1px solid rgba(221,228,255,.09);
  box-shadow:0 8px 28px rgba(0,0,0,.06);backdrop-filter:blur(24px) saturate(150%);-webkit-backdrop-filter:blur(24px) saturate(150%);
}
body.site-public .brand{color:#f7f8ff;font-weight:620;letter-spacing:-.035em}
body.site-public .brand-mark{width:31px;height:31px;border-radius:11px;background:linear-gradient(145deg,#9b8cff,#54d6ee);color:#101426;font-size:17px;box-shadow:0 0 24px rgba(128,124,255,.28)}
body.site-public .topbar nav{gap:10px;font-size:12px}
body.site-public .topbar nav a{color:rgba(241,244,255,.78);padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.06)}
body.site-public .topbar nav a:hover{background:rgba(255,255,255,.12);color:#fff}
body.site-public .page{
  display:flex;flex-direction:column;justify-content:center;width:100%;max-width:1160px;min-height:calc(100svh - 66px);
  padding:clamp(36px,6.5vh,72px) 24px clamp(46px,8vh,86px);margin:0 auto;
}
body.site-public .auth-page{width:min(100%,500px);margin:auto;position:relative}
body.site-public .auth-page-wide{width:100%;max-width:1000px}
body.site-public .hero.auth-hero{position:relative;text-align:center;margin:0 auto 30px;max-width:100%;padding:0 0 8px}
body.site-public .auth-hero h1{color:#f7f8ff;font-size:clamp(34px,4.6vw,50px);font-weight:650;letter-spacing:-.065em;line-height:1.08;margin:0;text-shadow:0 8px 36px rgba(116,112,255,.18)}
body.site-public .hero-orbit{display:block;position:relative;width:74px;height:3px;border-radius:99px;margin:19px auto 0;background:linear-gradient(90deg,transparent,#9e91ff 28%,#6de6ee 72%,transparent);opacity:.92}
body.site-public .hero-orbit::after{content:"";position:absolute;width:6px;height:6px;border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%);background:#efffff;box-shadow:0 0 12px 3px rgba(107,225,245,.5)}
body.site-public .auth-message{width:100%;margin:0 auto 14px;border:1px solid rgba(255,255,255,.65);box-shadow:0 10px 32px rgba(0,0,0,.08)}
body.site-public .auth-methods{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:stretch}
body.site-public .auth-group{
  min-width:0;padding:clamp(22px,3vw,31px);border:1px solid rgba(255,255,255,.78);border-radius:25px;
  background:linear-gradient(145deg,rgba(255,255,255,.97),rgba(246,248,255,.93));color:var(--cosmic-ink);
  box-shadow:0 26px 70px rgba(0,0,0,.18),0 1px 0 rgba(255,255,255,.8) inset;
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
}
body.site-public .auth-group-head{display:flex;align-items:center;justify-content:flex-start;gap:10px;margin:0 0 19px}
body.site-public .auth-group-head h2{font-size:20px;font-weight:650;letter-spacing:-.045em;color:#171a2c;margin:0}
body.site-public .auth-group .field{gap:8px;margin:16px 0}
body.site-public .auth-group .field label{font-size:12px;font-weight:620;color:#4d5368}
body.site-public .auth-group .input{
  height:50px;border:1px solid rgba(30,39,70,.10);border-radius:14px;background:rgba(255,255,255,.92);
  color:#15192a;padding:0 15px;box-shadow:0 2px 6px rgba(20,30,70,.025);transition:border-color .18s,box-shadow .18s,background .18s;
}
body.site-public .auth-group .input::placeholder{color:#9aa1b3}
body.site-public .auth-group .input:focus{outline:none;border-color:rgba(105,102,227,.68);background:#fff;box-shadow:0 0 0 4px rgba(118,113,239,.13),0 6px 18px rgba(37,44,100,.06)}
body.site-public .auth-group .button{min-height:49px;border-radius:14px;background:linear-gradient(105deg,#615bdc,#4b88e8 58%,#50b9db);box-shadow:0 9px 22px rgba(81,105,226,.2);font-size:14px;letter-spacing:-.015em}
body.site-public .auth-group .button:hover{filter:brightness(1.04);box-shadow:0 11px 26px rgba(81,105,226,.27)}
body.site-public .auth-group .button.secondary{background:#edf0f8;color:#252b40;box-shadow:none}
body.site-public .auth-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:19px}
body.site-public .auth-actions .button{min-width:0;padding:0 9px}
body.site-public .single-auth-group{max-width:500px;margin:0 auto}
body.site-public .identity-page{width:min(100%,500px)}
body.site-public .identity-card{padding:clamp(23px,4vw,34px);border-radius:27px;color:var(--cosmic-ink);background:linear-gradient(145deg,rgba(255,255,255,.97),rgba(244,247,255,.93));border:1px solid rgba(255,255,255,.8);box-shadow:0 30px 85px rgba(0,0,0,.2)}
body.site-public .identity-card .identity{gap:15px}
body.site-public .identity-card .avatar{width:60px;height:60px;border-radius:19px;background:linear-gradient(140deg,#7775f2,#53c9df);color:#fff;box-shadow:0 8px 22px rgba(96,108,220,.2)}
body.site-public .identity-card .identity h2{color:#161a2b;font-size:26px;letter-spacing:-.055em}
body.site-public .identity-card .identity p{color:#737b91;font-size:14px}
.identity-status{display:flex;align-items:center;gap:8px;margin:25px 0 20px;padding:13px 15px;border-radius:14px;background:rgba(62,171,126,.09);color:#21845a;font-size:13px;font-weight:620}
.status-dot{width:7px;height:7px;border-radius:50%;background:#35bd84;box-shadow:0 0 0 4px rgba(53,189,132,.12)}
body.site-public .identity-logout{margin-top:0}
body.site-public .notice{border-radius:13px}
body.site-public .notice.error{background:#fff0f1;color:#a32645;border-color:#f8d5da}
@media(max-width:760px){
  body.site-public .topbar{height:60px;min-height:60px;padding:0 17px}
  body.site-public .brand{font-size:13px;max-width:78%;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
  body.site-public .brand-mark{flex:none}
  body.site-public .topbar nav{gap:6px;flex:none}
  body.site-public .topbar nav a{padding:7px 10px;font-size:11px}
  body.site-public .page{min-height:calc(100svh - 60px);padding:38px 15px 46px}
  body.site-public .hero.auth-hero{margin-bottom:24px}
  body.site-public .auth-hero h1{font-size:clamp(32px,8vw,39px)}
  body.site-public .auth-methods{grid-template-columns:minmax(0,1fr);gap:14px}
  body.site-public .auth-group{padding:23px 19px;border-radius:22px}
  body.site-public .auth-group-head{margin-bottom:15px}
  body.site-public .auth-group-head h2{font-size:19px}
  body.site-public .auth-group .field{margin:14px 0}
  body.site-public .auth-group .input{height:49px}
  body.site-public .auth-actions{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:9px}
  body.site-public .auth-actions .button{font-size:13px;padding:0 6px}
  body.site-public .identity-card{padding:23px 19px;border-radius:22px}
}
@media(max-width:370px){
  body.site-public .topbar{padding:0 12px}
  body.site-public .brand{font-size:12px;gap:7px}
  body.site-public .page{padding:30px 12px 38px}
  body.site-public .auth-group{padding:20px 15px}
  body.site-public .auth-actions{grid-template-columns:minmax(0,1fr)}
}
@media(prefers-reduced-motion:reduce){body.site-public::before{animation:none}}

/* V6 · Apple-inspired identity experience and class recognition */
body.site-public .page{padding-top:clamp(34px,5.5vh,64px);padding-bottom:clamp(42px,7vh,78px)}
body.site-public .hero.auth-hero{margin-bottom:clamp(24px,4vh,36px)}
body.site-public .auth-hero h1{font-size:clamp(36px,5vw,54px);font-weight:650;letter-spacing:-.07em;background:linear-gradient(120deg,#fff 0%,#e4e7ff 48%,#b2f4ff 100%);-webkit-background-clip:text;background-clip:text;color:transparent;text-shadow:none}
body.site-public .hero-orbit{width:94px;height:2px;margin-top:21px;filter:drop-shadow(0 0 10px rgba(111,204,255,.55))}
body.site-public .auth-methods{gap:clamp(14px,2.2vw,23px)}
body.site-public .auth-group{position:relative;overflow:visible;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
body.site-public .auth-group::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(135deg,rgba(255,255,255,.8),transparent 34%);opacity:.55}
body.site-public .auth-group:hover{transform:translateY(-3px);box-shadow:0 32px 78px rgba(0,0,0,.22),0 1px 0 rgba(255,255,255,.9) inset;border-color:rgba(255,255,255,.96)}
body.site-public .auth-group-head{position:relative;z-index:1;gap:12px;margin-bottom:21px}
body.site-public .auth-group-head h2{font-size:21px;letter-spacing:-.05em}
.auth-icon{display:grid;place-items:center;flex:none;width:38px;height:38px;border-radius:13px;background:linear-gradient(145deg,#e8eaff,#f2f7ff);color:#5d63cd;box-shadow:0 4px 14px rgba(77,97,190,.09)}
.auth-icon svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.auth-icon.mail{background:linear-gradient(145deg,#e2f7ff,#edf3ff);color:#317fa9}
body.site-public .auth-group form{position:relative;z-index:1}
body.site-public .auth-group .field{margin:17px 0}
body.site-public .auth-group .input{height:51px;border-radius:15px;padding:0 16px;font-size:15px}
body.site-public .auth-group .button{min-height:50px;border-radius:15px;background:linear-gradient(110deg,#6e68ed 0%,#548ae9 56%,#4dbad9 100%);box-shadow:0 9px 24px rgba(86,108,224,.23)}
body.site-public .auth-group .button:focus-visible{outline:3px solid rgba(133,180,255,.85);outline-offset:3px}
body.site-public .auth-group .button.secondary{background:#eef0f8;color:#252b40}
body.site-public .auth-message{backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}
.class-autocomplete-wrap{position:relative;min-width:0;width:100%}
.class-suggestions{position:absolute;z-index:20;top:calc(100% + 7px);left:0;right:0;max-height:240px;overflow-y:auto;padding:6px;border:1px solid rgba(95,112,170,.16);border-radius:15px;background:rgba(255,255,255,.97);box-shadow:0 18px 48px rgba(6,12,35,.24);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px)}
.class-suggestions[hidden]{display:none}
.class-suggestion{display:flex;width:100%;align-items:center;min-height:42px;padding:0 12px;border:0;border-radius:10px;background:transparent;color:#20253a;text-align:left;font-size:14px;cursor:pointer}
.class-suggestion::after{content:"↗";margin-left:auto;color:#8490ac;font-size:13px}
.class-suggestion:hover,.class-suggestion.active{background:#eef2ff;color:#404bba}
.admin-section.class-recognition-panel{padding:clamp(19px,2.8vw,28px)}
.class-import-form{display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:14px;align-items:end;margin-top:17px}
.class-import-form .field{min-width:0;margin:0}
.class-import-form .input[type=file]{height:auto;min-height:46px;padding:9px 11px}
.class-import-form .replace-toggle{margin:0;min-height:46px;padding:12px 13px;align-items:center;white-space:nowrap}
.class-import-format{margin-top:13px;color:var(--muted);font-size:12px;line-height:1.6}
.class-catalog-table{min-width:420px}
.class-catalog-table td:nth-child(1){min-width:170px}
.class-catalog-table td:nth-child(2){min-width:150px;color:var(--muted);font-size:12px}
.recognition-toggle-form{max-width:620px}
@media(max-width:900px){.class-import-form{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.class-import-form .field{grid-column:1/-1}.class-import-form>.button{width:100%}}
@media(max-width:680px){
  body.site-public .page{padding:32px 14px 40px}
  body.site-public .auth-hero h1{font-size:clamp(34px,9vw,42px)}
  body.site-public .auth-methods{gap:13px}
  body.site-public .auth-group{padding:21px 17px;border-radius:22px}
  body.site-public .auth-group:hover{transform:none}
  body.site-public .auth-group-head{margin-bottom:16px}
  body.site-public .auth-group-head h2{font-size:19px}
  .auth-icon{width:35px;height:35px;border-radius:12px}
  body.site-public .auth-group .field{margin:14px 0}
  body.site-public .auth-group .input{height:49px;font-size:16px}
  .class-suggestions{max-height:210px}
  .class-suggestion{min-height:44px}
  .class-import-form{grid-template-columns:minmax(0,1fr);gap:12px}
  .class-import-form .field{grid-column:auto}
  .class-import-form .replace-toggle,.class-import-form>.button{width:100%}
  .class-import-form .replace-toggle{white-space:normal}
}
@media(prefers-reduced-motion:reduce){body.site-public .auth-group{transition:none}}

/* V6.1 · Premium monochrome UI — remove cosmic gradients, glow, and decorative noise. */
html:has(body.site-public){background:#f5f5f3!important;color-scheme:light}
body.site-public{
  --mono-ink:#111111;
  --mono-muted:#747474;
  --mono-line:#e6e6e3;
  --mono-paper:#ffffff;
  color:var(--mono-ink)!important;
  background:#f5f5f3!important;
  background-image:none!important;
  isolation:auto;
  min-height:100svh;
}
body.site-public::before{display:none!important;content:none!important;animation:none!important;background:none!important;filter:none!important}
body.site-public .topbar{
  height:66px;
  color:#fff!important;
  background:#111!important;
  background-image:none!important;
  border:0;
  border-bottom:1px solid rgba(255,255,255,.12);
  box-shadow:none;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
}
body.site-public .brand{color:#fff!important;font-weight:620;letter-spacing:-.035em}
body.site-public .brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:#fff!important;color:#111!important;
  box-shadow:none!important;font-size:16px;
}
body.site-public .topbar nav a{color:#dedede!important;background:transparent!important;border-radius:8px;transition:background .16s,color .16s}
body.site-public .topbar nav a:hover{background:#292929!important;color:#fff!important}
body.site-public .page{
  display:flex;flex-direction:column;justify-content:center;
  width:100%;max-width:1160px;min-height:calc(100svh - 66px);
  padding:clamp(36px,6vh,68px) 24px clamp(44px,7vh,76px);
  margin:0 auto;background:transparent!important;
}
body.site-public .auth-page{width:min(100%,500px);margin:auto;position:relative}
body.site-public .auth-page-wide{width:100%;max-width:1000px}
body.site-public .hero.auth-hero{position:relative;text-align:center;margin:0 auto 30px;max-width:100%;padding:0}
body.site-public .auth-hero h1{
  color:#111!important;background:none!important;-webkit-background-clip:border-box!important;
  -webkit-text-fill-color:#111!important;text-shadow:none!important;
  font-size:clamp(36px,4.8vw,52px);font-weight:650;letter-spacing:-.065em;line-height:1.08;margin:0;
}
body.site-public .hero-orbit{width:42px;height:2px;margin:17px auto 0;border-radius:0;background:#111!important;opacity:.72;filter:none!important;box-shadow:none!important}
body.site-public .hero-orbit::after{display:none!important;content:none!important;box-shadow:none!important}
body.site-public .auth-message{width:100%;margin:0 auto 15px;border:1px solid #e5e5e5;box-shadow:none;backdrop-filter:none;-webkit-backdrop-filter:none}
body.site-public .auth-methods{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:stretch}
body.site-public .auth-group{
  min-width:0;position:relative;overflow:hidden;
  padding:clamp(23px,3vw,32px);
  border:1px solid #e7e7e5!important;border-radius:22px;
  background:#fff!important;background-image:none!important;color:#111!important;
  box-shadow:0 8px 28px rgba(0,0,0,.035)!important;
  backdrop-filter:none!important;-webkit-backdrop-filter:none!important;
  transition:box-shadow .18s ease,border-color .18s ease!important;
}
body.site-public .auth-group::after{display:none!important;content:none!important;background:none!important}
body.site-public .auth-group:hover{transform:none!important;border-color:#d4d4d0!important;box-shadow:0 12px 34px rgba(0,0,0,.055)!important}
body.site-public .auth-group-head{position:relative;z-index:1;display:flex;align-items:center;justify-content:flex-start;gap:12px;margin:0 0 20px}
body.site-public .auth-group-head h2{font-size:20px;font-weight:650;letter-spacing:-.04em;color:#111!important;margin:0}
.auth-icon,.auth-icon.mail{
  display:grid;place-items:center;flex:none;width:38px;height:38px;border-radius:11px;
  background:#111!important;color:#fff!important;box-shadow:none!important;
}
.auth-icon svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
body.site-public .auth-group form{position:relative;z-index:1}
body.site-public .auth-group .field{gap:8px;margin:16px 0}
body.site-public .auth-group .field label{font-size:12px;font-weight:600;color:#464646!important}
body.site-public .auth-group .input{
  width:100%;height:50px;padding:0 15px;
  color:#111!important;background:#fff!important;
  border:1px solid #dededb!important;border-radius:11px;
  box-shadow:none!important;outline:none;
  transition:border-color .16s ease,box-shadow .16s ease,background .16s ease;
}
body.site-public .auth-group .input::placeholder{color:#a0a09d!important}
body.site-public .auth-group .input:focus{
  border-color:#222!important;background:#fff!important;
  box-shadow:0 0 0 1px #222!important;outline:none!important;
}
body.site-public .auth-group .button{
  min-height:49px;border:1px solid #111!important;border-radius:11px;
  background:#111!important;background-image:none!important;color:#fff!important;
  box-shadow:none!important;font-size:14px;font-weight:620;letter-spacing:-.01em;
  transition:background .16s ease,color .16s ease,border-color .16s ease,transform .12s ease!important;
}
body.site-public .auth-group .button:hover{background:#333!important;border-color:#333!important;color:#fff!important;box-shadow:none!important;filter:none!important}
body.site-public .auth-group .button:active{transform:scale(.99)}
body.site-public .auth-group .button:focus-visible{outline:2px solid #111!important;outline-offset:3px}
body.site-public .auth-group .button.secondary{background:#fff!important;background-image:none!important;color:#111!important;border-color:#d2d2cf!important;box-shadow:none!important}
body.site-public .auth-group .button.secondary:hover{background:#f2f2f0!important;color:#111!important;border-color:#c5c5c1!important}
body.site-public .auth-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:19px}
body.site-public .auth-actions .button{min-width:0;padding:0 9px}
body.site-public .single-auth-group{max-width:500px;margin:0 auto}
body.site-public .identity-page{width:min(100%,500px)}
body.site-public .identity-card{
  padding:clamp(23px,4vw,34px);border-radius:22px;color:#111!important;
  background:#fff!important;background-image:none!important;border:1px solid #e5e5e2!important;
  box-shadow:0 12px 40px rgba(0,0,0,.055)!important;
}
body.site-public .identity-card .identity{gap:15px}
body.site-public .identity-card .avatar{width:60px;height:60px;border-radius:15px;background:#111!important;color:#fff!important;box-shadow:none!important}
body.site-public .identity-card .identity h2{color:#111!important;font-size:26px;letter-spacing:-.05em}
body.site-public .identity-card .identity p{color:#777!important;font-size:14px}
body.site-public .identity-status{background:#f2f2f0!important;color:#333!important;border:1px solid #e6e6e2}
body.site-public .status-dot{background:#333!important;box-shadow:0 0 0 4px rgba(0,0,0,.07)!important}
body.site-public .notice{background:#f5f5f3!important;color:#333!important;border:1px solid #e4e4e0!important;border-radius:11px;box-shadow:none!important}
body.site-public .notice.error{background:#fff!important;color:#8d2222!important;border-color:#e5c9c9!important}
body.site-public .notice.success{background:#f3f3f1!important;color:#222!important;border-color:#deded8!important}
.class-suggestions{
  padding:6px;border:1px solid #dededb!important;border-radius:12px!important;
  background:#fff!important;box-shadow:0 12px 30px rgba(0,0,0,.12)!important;
  backdrop-filter:none!important;-webkit-backdrop-filter:none!important;
}
.class-suggestion{min-height:43px;border-radius:8px!important;color:#222!important;background:transparent!important}
.class-suggestion::after{color:#888!important}
.class-suggestion:hover,.class-suggestion.active{background:#f1f1ef!important;color:#111!important}
body.site-public .footer{color:#858581}
body.site-public .footer a{color:#5f5f5b}
@media(max-width:760px){
  body.site-public .topbar{height:60px;min-height:60px;padding:0 17px}
  body.site-public .page{min-height:calc(100svh - 60px);padding:34px 15px 42px}
  body.site-public .hero.auth-hero{margin-bottom:24px}
  body.site-public .auth-hero h1{font-size:clamp(32px,8vw,40px)}
  body.site-public .auth-methods{grid-template-columns:minmax(0,1fr);gap:14px}
  body.site-public .auth-group{padding:23px 19px;border-radius:18px}
  body.site-public .auth-group:hover{transform:none}
  body.site-public .auth-group-head{margin-bottom:15px}
  body.site-public .auth-group-head h2{font-size:19px}
  .auth-icon,.auth-icon.mail{width:35px;height:35px;border-radius:10px}
  body.site-public .auth-group .field{margin:14px 0}
  body.site-public .auth-group .input{height:49px;font-size:16px}
  body.site-public .auth-actions{grid-template-columns:1fr 1fr;gap:9px}
  body.site-public .auth-actions .button{font-size:13px;padding:0 6px}
  body.site-public .identity-card{padding:23px 19px;border-radius:18px}
}
@media(max-width:370px){
  body.site-public .topbar{padding:0 12px}
  body.site-public .page{padding:28px 12px 34px}
  body.site-public .auth-group{padding:20px 15px}
  body.site-public .auth-actions{grid-template-columns:minmax(0,1fr)}
}
@media(prefers-reduced-motion:reduce){body.site-public .auth-group,body.site-public .auth-group .button{transition:none!important}}

/* V6.2: robust long class catalogue dropdown and compact name/password flow */
.class-autocomplete-wrap{position:relative!important;min-width:0;width:100%;overflow:visible!important;isolation:isolate}
.class-suggestions{position:absolute!important;z-index:9999!important;left:0;right:0;top:calc(100% + 6px);max-height:min(46vh,320px);overflow-y:auto!important;overflow-x:hidden!important;overscroll-behavior:contain;touch-action:pan-y;-webkit-overflow-scrolling:touch;scrollbar-gutter:stable;background:#fff!important;border:1px solid #d8d8dc!important;border-radius:14px!important;box-shadow:0 14px 38px rgba(0,0,0,.14)!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important;padding:5px!important}
.class-suggestions.opens-up{top:auto!important;bottom:calc(100% + 6px)!important}
.class-suggestions[hidden]{display:none!important}
.class-suggestion{min-height:44px!important;width:100%;padding:0 12px!important;border:0!important;border-radius:9px!important;color:#1d1d1f!important;background:#fff!important;text-align:left;white-space:normal;overflow-wrap:anywhere;cursor:pointer;touch-action:manipulation}
.class-suggestion::after{content:"↗";margin-left:auto;color:#8e8e93;font-size:13px}
.class-suggestion:hover,.class-suggestion.active{background:#f2f2f4!important;color:#111!important}
.password-auth-card{max-width:500px;margin:0 auto;padding:clamp(22px,4vw,34px);background:#fff!important;border:1px solid #e5e5e7!important;box-shadow:0 16px 48px rgba(0,0,0,.055)!important;backdrop-filter:none!important;-webkit-backdrop-filter:none!important}
.password-tabs{display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:4px;margin:0 0 22px;background:#f2f2f4;border-radius:12px}
.password-tab{height:40px;border:0;border-radius:9px;background:transparent;color:#6e6e73;font-weight:600;cursor:pointer}
.password-tab.active{background:#fff;color:#111;box-shadow:0 1px 4px rgba(0,0,0,.1)}
.password-panel[hidden]{display:none!important}
.password-auth-card .button{background:#111!important;color:#fff!important;box-shadow:none!important}
.password-auth-card .button:hover{background:#333!important}
.password-auth-card .input{background:#fff!important;border:1px solid #d2d2d7!important;color:#1d1d1f!important}
.password-auth-card .input:focus{border-color:#6e6e73!important;box-shadow:0 0 0 3px rgba(0,0,0,.08)!important}
.password-auth-card .auth-group-head{margin-bottom:18px}
@media(max-width:680px){.class-suggestions{max-height:min(42vh,260px)}.class-suggestion{min-height:46px!important}.password-auth-card{padding:20px 17px;border-radius:20px}.password-tab{height:42px}}

.class-suggestions.class-suggestions-portal{position:fixed!important;z-index:2147483000!important;left:8px;right:auto;top:auto;bottom:auto;margin:0!important;transform:none!important}