:root{--navy:#2C3759;--gold:#E8B431;--cream:#F7E5BF;--bg:#FAF6EC;--card:#FFFFFF;--ink:#1B2238;--mute:#5C6479;--line:#E7DDC6;--tint:#F3EBD6;--bar:#2C3759;--ok:#1F8A5B;--bad:#C2392D;--warn:#9A6200;--on-gold:#1F2842;--ok-bg:#E3F4EB;--bad-bg:#FBE7E4;--warn-bg:#FCF0D5;
 box-sizing:border-box;padding-top:env(safe-area-inset-top,0px);padding-bottom:env(safe-area-inset-bottom,0px)}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#121830;--card:#1B2342;--ink:#F3EEE2;--mute:#A9B0C6;--line:#2C3760;--tint:#232C4D;--bar:#161D38;--ok:#4CC38A;--bad:#FF8173;--warn:#F0B84A;--ok-bg:#16382C;--bad-bg:#40221F;--warn-bg:#3B2F12}}
:root[data-theme="dark"]{--bg:#121830;--card:#1B2342;--ink:#F3EEE2;--mute:#A9B0C6;--line:#2C3760;--tint:#232C4D;--bar:#161D38;--ok:#4CC38A;--bad:#FF8173;--warn:#F0B84A;--ok-bg:#16382C;--bad-bg:#40221F;--warn-bg:#3B2F12}
html{scroll-padding-top:env(safe-area-inset-top,0px)}
*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;min-height:100vh}
h1,h2,h3{font-family:"Bricolage Grotesque",system-ui,sans-serif;line-height:1.15;margin:0 0 .4em;letter-spacing:-.01em}
h1{font-size:1.9rem;font-weight:800}h2{font-size:1.35rem;font-weight:700}h3{font-size:1.05rem;font-weight:700}
p{margin:0 0 .8em}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.mute{color:var(--mute)}.small{font-size:.86rem}.center{text-align:center}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}.grow{flex:1}
.stack>*+*{margin-top:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 18px;border-radius:12px;border:2px solid var(--gold);background:var(--gold);color:var(--on-gold);font-weight:700;cursor:pointer;text-decoration:none}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn.navy{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.danger{background:transparent;border-color:var(--bad);color:var(--bad)}
.btn.sm{min-height:36px;padding:5px 12px;font-size:.88rem;border-radius:9px}
.btn.block{display:flex;width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.linkbtn{background:none;border:0;padding:6px 2px;color:var(--ink);text-decoration:underline;cursor:pointer;font-weight:600}
.chip{display:inline-block;padding:3px 10px;border-radius:99px;background:var(--tint);border:1px solid var(--line);font-size:.82rem;font-weight:600}
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:.78rem;font-weight:700;background:var(--tint)}
.badge.ok{background:var(--ok-bg);color:var(--ok)}.badge.bad{background:var(--bad-bg);color:var(--bad)}.badge.warn{background:var(--warn-bg);color:var(--warn)}
label{display:block;font-weight:600;font-size:.9rem;margin-bottom:4px}
input[type=text],input[type=email],input[type=tel],input[type=password],input[type=date],input[type=number],select,textarea{width:100%;min-height:46px;padding:9px 12px;border-radius:10px;border:1.5px solid var(--line);background:var(--card)}
textarea{min-height:90px;resize:vertical}
.field{margin-bottom:12px}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width:520px){.grid2{grid-template-columns:1fr}}
.err{background:var(--bad-bg);color:var(--bad);padding:10px 12px;border-radius:10px;font-weight:600;margin-bottom:12px}
.note{background:var(--warn-bg);color:var(--ink);padding:10px 12px;border-radius:10px;font-size:.9rem;border-left:4px solid var(--gold)}
.ok-note{background:var(--ok-bg);padding:10px 12px;border-radius:10px;border-left:4px solid var(--ok)}
.logo-chip{background:var(--cream);border-radius:12px;padding:3px;display:inline-flex}
.logo-chip img{height:40px;width:auto;display:block}
/* landing */
.plate{background:var(--cream);text-align:center;padding:28px 16px 22px;border-bottom:5px solid var(--gold)}
.plate img{height:200px;width:auto;max-width:80%}
.land{max-width:560px;margin:0 auto;padding:22px 16px 40px}
.land h1{text-align:center;color:var(--ink)}
.motto{text-align:center;font-weight:600;color:var(--mute);margin-bottom:22px;letter-spacing:.04em}
.entry{display:grid;gap:12px}
.entry button{display:flex;align-items:center;gap:14px;text-align:left;padding:16px;border-radius:14px;border:1.5px solid var(--line);background:var(--card);cursor:pointer;width:100%}
.entry button.primary{background:var(--navy);border-color:var(--navy);color:#fff}
.entry b{display:block;font-size:1.05rem}.entry span{font-size:.88rem;opacity:.85}
.entry .ic{flex:none;width:44px;height:44px;border-radius:12px;background:var(--gold);color:var(--on-gold);display:grid;place-items:center;font-weight:800;font-size:1.2rem}
/* shells */
.topbar{background:var(--bar);color:#fff;padding:10px 14px;display:flex;align-items:center;gap:10px;position:sticky;top:env(safe-area-inset-top,0px);z-index:5}
.topbar .t{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-weight:700;line-height:1.1}.topbar .t small{display:block;font-family:system-ui,sans-serif;font-weight:500;opacity:.75;font-size:.76rem}
.topbar .btn{border-color:rgba(255,255,255,.4);color:#fff;background:transparent}
.phone{max-width:480px;margin:0 auto;background:var(--bg);min-height:100vh;padding-bottom:96px}
@media (min-width:700px){body{background:var(--tint)}.phone{border-left:1px solid var(--line);border-right:1px solid var(--line)}}
.content{padding:16px}
.bnav{position:fixed;left:0;right:0;bottom:0;padding-bottom:env(safe-area-inset-bottom,0px);background:var(--card);border-top:1px solid var(--line);z-index:6}
.bnav div{max-width:480px;margin:0 auto;display:grid;grid-template-columns:repeat(5,1fr)}
.bnav button{background:none;border:0;padding:9px 2px 8px;display:flex;flex-direction:column;align-items:center;gap:2px;font-size:.72rem;font-weight:600;color:var(--mute);cursor:pointer;border-top:3px solid transparent}
.bnav button.on{color:var(--ink);border-top-color:var(--gold)}
.avatar{width:56px;height:56px;border-radius:50%;background:var(--gold);color:var(--on-gold);display:grid;place-items:center;font-weight:800;font-size:1.2rem;flex:none;overflow:hidden}
.avatar img{width:100%;height:100%;object-fit:cover}
.list>*{border-bottom:1px solid var(--line);padding:12px 0}.list>*:last-child{border-bottom:0}
.menu button{display:flex;width:100%;justify-content:space-between;align-items:center;background:none;border:0;border-bottom:1px solid var(--line);padding:14px 2px;cursor:pointer;font-weight:600;text-align:left}
.bar{height:9px;background:var(--tint);border-radius:9px;overflow:hidden}.bar i{display:block;height:100%;background:var(--gold)}.bar i.low{background:var(--bad)}.bar i.hi{background:var(--ok)}
.gcards{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.gcard{border:2px solid var(--line);border-radius:12px;padding:12px;cursor:pointer;background:var(--card);display:block;margin:0}
.gcard input{position:absolute;opacity:0}.gcard:has(input:checked){border-color:var(--gold);background:var(--tint);box-shadow:0 0 0 2px var(--gold)}
.gcard:has(input:focus-visible){outline:3px solid var(--gold)}
.gcard b{display:block}.gcard span{font-size:.8rem;color:var(--mute);font-weight:500}
/* exam */
.exam{max-width:880px;margin:0 auto;padding:12px 14px 40px}
.timer{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-weight:800;font-size:1.25rem;background:var(--gold);color:var(--on-gold);padding:4px 12px;border-radius:10px;font-variant-numeric:tabular-nums}
.timer.low{background:var(--bad);color:#fff}
.stabs{display:flex;gap:8px;overflow-x:auto;padding:10px 0}
.stabs button{flex:none;padding:7px 14px;border-radius:99px;border:1.5px solid var(--line);background:var(--card);font-weight:600;cursor:pointer}
.stabs button.on{background:var(--navy);color:#fff;border-color:var(--navy)}
.qtext{font-size:1.1rem;font-weight:500;margin:6px 0 14px}
.opt{display:flex;gap:12px;align-items:flex-start;width:100%;text-align:left;padding:12px 14px;margin-bottom:9px;border-radius:12px;border:2px solid var(--line);background:var(--card);cursor:pointer}
.opt i{flex:none;width:28px;height:28px;border-radius:50%;border:2px solid var(--line);display:grid;place-items:center;font-style:normal;font-weight:700;font-size:.85rem}
.opt.sel{border-color:var(--gold);background:var(--tint)}.opt.sel i{background:var(--gold);color:var(--on-gold);border-color:var(--gold)}
.opt.right{border-color:var(--ok);background:var(--ok-bg)}.opt.right i{background:var(--ok);color:#fff;border-color:var(--ok)}
.opt.wrong{border-color:var(--bad);background:var(--bad-bg)}.opt.wrong i{background:var(--bad);color:#fff;border-color:var(--bad)}
.pal{display:grid;grid-template-columns:repeat(auto-fill,minmax(40px,1fr));gap:7px}
.pal button{height:40px;border-radius:9px;border:1.5px solid var(--line);background:var(--card);font-weight:700;cursor:pointer}
.pal button.done{background:var(--navy);color:#fff;border-color:var(--navy)}.pal button.cur{outline:3px solid var(--gold)}
.expl{background:var(--tint);border-radius:10px;padding:10px 12px;font-size:.92rem;margin-top:6px}
.score{font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:3.2rem;font-weight:800;line-height:1}
/* admin */
.admin{min-height:100vh}
.anav{background:var(--card);border-bottom:1px solid var(--line);display:flex;gap:4px;overflow-x:auto;padding:8px 10px}
.anav button{flex:none;border:0;background:none;padding:9px 14px;border-radius:10px;font-weight:600;cursor:pointer;color:var(--mute)}
.anav button.on{background:var(--navy);color:#fff}
.amain{padding:16px;max-width:1100px}
@media (min-width:900px){.admin{display:grid;grid-template-columns:220px 1fr;grid-template-rows:auto 1fr}.admin .topbar{grid-column:1/3}.anav{flex-direction:column;border-right:1px solid var(--line);border-bottom:0;padding:14px 10px;position:sticky;top:60px;align-self:start;height:calc(100vh - 60px)}.anav button{text-align:left}.amain{padding:22px 26px}}
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.stat b{display:block;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;font-size:1.9rem;line-height:1.1}
.tw{overflow-x:auto;border:1px solid var(--line);border-radius:12px;background:var(--card)}
table{border-collapse:collapse;width:100%;font-size:.9rem}th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:middle}th{background:var(--tint);font-weight:700;white-space:nowrap}tr:last-child td{border-bottom:0}
td .btn{margin:2px 2px 2px 0}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(100px + env(safe-area-inset-bottom,0px));background:var(--navy);color:#fff;padding:11px 18px;border-radius:12px;font-weight:600;z-index:50;max-width:90vw;box-shadow:0 6px 24px rgba(0,0,0,.25)}
details summary{cursor:pointer;font-weight:700}
@media (prefers-reduced-motion:no-preference){.toast{animation:pop .2s ease-out}@keyframes pop{from{opacity:0;transform:translate(-50%,8px)}}}

/* ---- additions for the full system ---- */
.netbar{position:fixed;left:0;right:0;top:env(safe-area-inset-top,0px);z-index:60;background:var(--warn-bg);color:var(--ink);text-align:center;padding:6px 10px;font-size:.85rem;font-weight:600;border-bottom:2px solid var(--gold)}
.busy-bar{position:fixed;left:0;top:0;height:3px;width:0;background:var(--gold);z-index:70;transition:width .4s}
.busy .busy-bar{width:70%}
.cred{border:2px solid var(--gold);background:var(--tint)}
.cred code{font-size:1.05rem;font-weight:700;user-select:all}
.thumb{width:56px;height:56px;border-radius:10px;object-fit:cover;background:var(--tint);border:1px solid var(--line)}
.pager{display:flex;gap:10px;align-items:center;justify-content:center}
.sr{position:absolute;left:-9999px}
.installbtn{margin-top:10px}
button[disabled].btn{pointer-events:none}