/* Layout: giáo viên = cột lớp bên trái + trang lớp; phụ huynh = một cột kiểu ứng dụng điện thoại với thanh điều hướng dưới */
:root{
  --bg:#f3f5fa; --paper:#fff; --ink:#17213a; --muted:#5a6580; --line:#dde2ed; --soft:#eef1f8;
  --accent:#2445c4; --accent-ink:#fff; --hl:#fff0a6;
  --good:#1d7449; --good-bg:#e5f4ec; --mid:#9a6a00; --mid-bg:#fbf1d6; --bad:#b03d1c; --bad-bg:#fbebe5; --fix:#2445c4; --fix-bg:#e8edfc;
  --c1:#2445c4; --c2:#1d7449; --c3:#b4521f; --c4:#8a3aa8; --c5:#0f7f8c; --c6:#b0306a;
  --k-l:#0f7f8c; --k-s:#b4521f; --k-r:#2445c4; --k-w:#8a3aa8;
  --display:"Literata", Georgia, "Times New Roman", serif;
  --body:"Be Vietnam Pro", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono:"JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
  --r:10px;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){ :root{
  --bg:#0f131d; --paper:#161b28; --ink:#e5e9f3; --muted:#97a1b8; --line:#283046; --soft:#1c2233;
  --accent:#8aa2ff; --accent-ink:#0c1120; --hl:#4f4415;
  --good:#62cd98; --good-bg:#16291f; --mid:#e6bf5c; --mid-bg:#2b2412; --bad:#f2906f; --bad-bg:#2d1a14; --fix:#8aa2ff; --fix-bg:#1a2140;
  --c1:#8aa2ff; --c2:#62cd98; --c3:#f0a26c; --c4:#cf95ea; --c5:#5fcad6; --c6:#f08ab7;
  --k-l:#5fcad6; --k-s:#f0a26c; --k-r:#8aa2ff; --k-w:#cf95ea;
  color-scheme:dark }}

*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--body);font-size:15px;line-height:1.55;-webkit-text-size-adjust:100%}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer}
img{max-width:100%}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3{text-wrap:balance}
a{color:var(--accent)}

.gutter{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
.wrap{max-width:1200px;margin:0 auto}

/* ---------- topbar ---------- */
.topbar{position:sticky;top:0;z-index:20;background:var(--paper);border-bottom:1px solid var(--line);padding-top:env(safe-area-inset-top,0px)}
.topbar .wrap{display:flex;align-items:center;gap:12px;height:56px}
.brand{font-family:var(--display);font-weight:700;font-size:19px;text-decoration:none;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.topbar .sp{flex:1}
.topbar .who{font-size:13px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:30vw}
.badge{display:inline-flex;min-width:18px;height:18px;padding:0 5px;border-radius:999px;background:var(--bad);color:var(--paper);font-size:11px;font-weight:700;align-items:center;justify-content:center;font-family:var(--mono)}

/* ---------- buttons, fields ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:7px 12px;font-size:14px;font-weight:500;text-decoration:none;color:var(--ink);white-space:nowrap}
.btn:hover{border-color:var(--muted)}
.btn.primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.btn.ghost{border-color:transparent;background:none;color:var(--muted)}
.btn.ghost:hover{color:var(--ink);background:var(--soft)}
.btn.danger{color:var(--bad)}
.btn.armed{background:var(--bad);border-color:var(--bad);color:var(--paper)}
.btn.big{padding:12px 18px;font-size:16px;border-radius:10px}
.btn:disabled{opacity:.55;cursor:default}
.btn.sm{padding:4px 9px;font-size:13px}
input[type=text],input[type=url],input[type=date],input[type=number],input[type=password],input[type=tel],input[type=month],textarea,select{
  width:100%;border:1px solid var(--line);background:var(--paper);border-radius:8px;padding:9px 11px;font-size:15px}
textarea{resize:vertical;min-height:84px;line-height:1.5}
.f{display:flex;flex-direction:column;gap:4px;min-width:0}
.f > span{font-size:12.5px;font-weight:600;color:var(--muted)}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.row3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
@media (max-width:560px){.row3{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.row3 .wide{grid-column:1/-1}}
.hint{color:var(--muted);font-size:13px;margin:0}
.pill{display:inline-flex;align-items:center;gap:4px;border-radius:999px;padding:2px 9px;font-size:12px;font-weight:600;white-space:nowrap;background:var(--soft);color:var(--muted)}
.pill.good{background:var(--good-bg);color:var(--good)} .pill.mid{background:var(--mid-bg);color:var(--mid)} .pill.bad{background:var(--bad-bg);color:var(--bad)} .pill.fix{background:var(--fix-bg);color:var(--fix)}
.tag{display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;background:var(--soft);font-size:12px;font-weight:500}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden;flex-wrap:wrap}
.seg button{border:none;background:none;padding:6px 11px;font-size:13.5px}
.seg button[aria-pressed="true"]{background:var(--ink);color:var(--paper)}
.empty{border:1px dashed var(--line);border-radius:12px;padding:28px 20px;text-align:center;color:var(--muted);display:flex;flex-direction:column;gap:10px;align-items:center}
.empty b{color:var(--ink);font-family:var(--display);font-size:18px}
.card{background:var(--paper);border:1px solid var(--line);border-radius:14px}
.sec-title{font-size:11px;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);font-weight:600;margin:0}

/* ---------- login ---------- */
.login{min-height:100vh;display:grid;place-items:center;padding-block:32px}
.login .card{width:100%;max-width:420px;padding:28px 24px;display:flex;flex-direction:column;gap:16px}
.login h1{font-family:var(--display);font-size:28px;margin:0}
.login .sub{color:var(--muted);margin:-8px 0 0}
.login form{display:flex;flex-direction:column;gap:12px}
.login .code{text-transform:uppercase;font-family:var(--mono);letter-spacing:.06em}
.login .alt{border-top:1px solid var(--line);padding-top:14px;display:flex;flex-direction:column;gap:8px;align-items:flex-start}

/* ---------- teacher shell ---------- */
.tshell{display:grid;grid-template-columns:250px minmax(0,1fr);gap:24px;align-items:start;padding-block:20px 60px}
@media (max-width:860px){.tshell{grid-template-columns:minmax(0,1fr);gap:14px}}
.spine{display:flex;flex-direction:column;gap:12px;position:sticky;top:76px;max-height:calc(100vh - 96px);overflow-y:auto;padding-right:4px}
@media (max-width:860px){.spine{position:static;max-height:none;overflow:visible}}
.navlinks{display:flex;flex-direction:column;gap:2px}
.navlinks a{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--ink);font-weight:500}
.navlinks a:hover{background:var(--soft)}
.navlinks a[aria-current="true"]{background:var(--paper);box-shadow:inset 0 0 0 1px var(--line)}
@media (max-width:860px){.navlinks{flex-direction:row;overflow-x:auto}.navlinks a{flex:none;border:1px solid var(--line);background:var(--paper)}}
.groups{display:flex;flex-direction:column;gap:12px}
.grp{display:flex;flex-direction:column;gap:3px}
.grp-head{display:flex;align-items:center;gap:8px;width:100%;background:none;border:none;padding:4px 4px 4px 2px;text-align:left;border-bottom:1px solid var(--line)}
.grp-head b{font-family:var(--display);font-size:15px;font-weight:700;flex:1;min-width:0}
.grp-head .n{font-family:var(--mono);font-size:11px;color:var(--muted);background:var(--soft);border-radius:999px;padding:1px 7px}
.grp-head .chev{color:var(--muted);font-size:11px;width:12px;transition:transform .15s}
.grp-head[aria-expanded="false"] .chev{transform:rotate(-90deg)}
.cls-list{display:flex;flex-direction:column;gap:2px}
.cls{display:flex;gap:10px;align-items:center;padding:8px 10px;border-radius:var(--r);text-decoration:none;color:var(--ink);border:1px solid transparent}
.cls:hover{background:var(--soft)}
.cls[aria-current="true"]{background:var(--paper);border-color:var(--line)}
.cls .dot{width:10px;height:10px;border-radius:50%;flex:none;background:var(--cc)}
.cls b{display:block;font-weight:600;font-size:14px;line-height:1.3}
.cls small{color:var(--muted);font-size:12px}
@media (max-width:860px){
  .cls-list{flex-direction:row;overflow-x:auto;gap:6px;padding-bottom:4px}
  .cls{flex:none;border-color:var(--line);background:var(--paper)}
  .cls[aria-current="true"]{border-color:var(--cc);box-shadow:inset 0 -3px 0 var(--cc)}
}

.page{background:var(--paper);border:1px solid var(--line);border-radius:14px;overflow:hidden;min-width:0}
.page-head{padding:20px 24px 16px;border-top:5px solid var(--cc,var(--accent));display:flex;flex-direction:column;gap:10px}
.page-head .row{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;align-items:flex-start}
.page-head h2{font-family:var(--display);font-size:clamp(22px,3vw,28px);margin:0;line-height:1.2}
.meta{display:flex;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--muted);align-items:center}
.program{white-space:pre-wrap;font-size:14px;max-width:72ch;background:var(--soft);border-radius:8px;padding:10px 14px;margin:0}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);padding:0 16px;overflow-x:auto}
.tab{background:none;border:none;padding:12px 12px 10px;font-weight:500;color:var(--muted);border-bottom:2px solid transparent;white-space:nowrap;text-decoration:none}
.tab[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--cc,var(--accent))}
.tab .n{font-family:var(--mono);font-size:12px;margin-left:4px;color:var(--muted)}
.panel{padding:18px 24px 24px;display:flex;flex-direction:column;gap:14px;min-width:0}
@media (max-width:560px){.page-head,.panel{padding-left:16px;padding-right:16px}}
.bar-row{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}

/* lessons */
.lessons{display:flex;flex-direction:column}
.lesson{display:grid;grid-template-columns:56px minmax(0,1fr) auto;gap:14px;padding:14px 0;border-top:1px solid var(--line);align-items:start}
.lesson:first-child{border-top:none}
.ln{font-family:var(--mono);font-weight:700;font-size:22px;line-height:1;color:var(--cc,var(--accent));font-variant-numeric:tabular-nums}
.ln small{display:block;font-family:var(--body);font-weight:500;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:4px}
.lesson h3{margin:0;font-size:15.5px;font-weight:600;line-height:1.35}
.date{font-size:12.5px;color:var(--muted);font-variant-numeric:tabular-nums}
.obj{margin:4px 0 0;font-size:13.5px;color:var(--muted);white-space:pre-wrap}
.acts{display:flex;flex-direction:column;gap:6px;align-items:flex-end}
@media (max-width:560px){.lesson{grid-template-columns:40px minmax(0,1fr)}.lesson .acts{grid-column:2;flex-direction:row;align-items:center;flex-wrap:wrap}.ln{font-size:18px}}
.mats{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.mat{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:3px 9px;border-radius:6px;border:1px solid var(--line);color:var(--ink);text-decoration:none;max-width:100%}
.mat:hover{border-color:var(--accent);color:var(--accent)}
.mat span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mat .k{font-family:var(--mono);font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase}
.attline{display:flex;gap:4px;flex-wrap:wrap;margin-top:6px;font-size:12px}

/* lists */
.list{display:flex;flex-direction:column}
.li{display:flex;gap:12px;align-items:center;padding:12px 0;border-top:1px solid var(--line);text-decoration:none;color:var(--ink);min-width:0}
.li:first-child{border-top:none}
.li .main{flex:1;min-width:0}
.li .main b{display:block;font-weight:600;overflow-wrap:anywhere}
.li .main small{color:var(--muted);font-size:12.5px}
.li .end{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
a.li:hover .main b{color:var(--accent)}
.kind{font-family:var(--mono);font-size:10.5px;font-weight:700;text-transform:uppercase;padding:3px 6px;border-radius:5px;background:var(--soft);color:var(--muted);flex:none;min-width:42px;text-align:center}

/* table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px}
table.tbl{border-collapse:collapse;width:100%;font-size:13.5px;font-variant-numeric:tabular-nums}
.tbl th,.tbl td{padding:9px 10px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap}
.tbl th{font-size:11.5px;font-weight:600;color:var(--muted);background:var(--soft);text-transform:uppercase;letter-spacing:.04em}
.tbl td.num,.tbl th.num{text-align:right}
.tbl tr:last-child td{border-bottom:none}
.tbl a{color:var(--ink);font-weight:600;text-decoration:none}
.tbl a:hover{color:var(--accent)}

/* stats */
.tiles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
@media (max-width:900px){.tiles{grid-template-columns:repeat(2,minmax(0,1fr))}}
.tile{border:1px solid var(--line);border-radius:12px;padding:12px 14px;display:flex;flex-direction:column;gap:2px;background:var(--paper);border-left:4px solid var(--line);min-width:0}
.tile .tl{font-size:12px;font-weight:600;color:var(--muted)}
.tile b{font-family:var(--display);font-size:28px;line-height:1.15;font-variant-numeric:tabular-nums}
.tile small{color:var(--muted);font-size:12px;line-height:1.35}
.tile.good{border-left-color:var(--good)} .tile.mid{border-left-color:var(--mid)} .tile.bad{border-left-color:var(--bad)}
.charts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:900px){.charts{grid-template-columns:minmax(0,1fr)}}
.chartbox{border:1px solid var(--line);border-radius:12px;padding:12px 14px;min-width:0}
.chartbox h4{margin:0 0 6px;font-size:13.5px}
.chart svg{width:100%;height:auto;display:block}
.chart .grid{stroke:var(--line);stroke-width:1}
.chart .tick{fill:var(--muted);font-size:11px;font-family:var(--body)}
.legend{display:flex;gap:12px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-bottom:4px}
.legend i{display:inline-block;width:10px;height:3px;border-radius:2px;margin-right:5px;vertical-align:middle}
.chart-empty{padding:32px 10px;text-align:center;color:var(--muted);font-size:13px;background:var(--soft);border-radius:8px}

/* reviews */
.revcard{border:1px solid var(--line);border-radius:12px;padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.revcard header{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;align-items:baseline}
.revcard header > b{font-family:var(--display);font-size:16px}
.skills{display:flex;gap:6px;flex-wrap:wrap}
.sk{font-size:12px;padding:2px 8px;border-radius:999px;background:var(--soft);border-left:3px solid var(--k)}
.rev3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
@media (max-width:760px){.rev3{grid-template-columns:minmax(0,1fr)}}
.r3{border-radius:8px;padding:10px 12px}
.r3 span{font-size:12px;font-weight:700}
.r3 p{margin:4px 0 0;white-space:pre-wrap;font-size:14px}
.r3.a{background:var(--good-bg)} .r3.a span{color:var(--good)}
.r3.s{background:var(--bad-bg)} .r3.s span{color:var(--bad)}
.r3.f{background:var(--fix-bg)} .r3.f span{color:var(--fix)}
.revedit{border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:10px}
.revedit .h{display:flex;justify-content:space-between;align-items:baseline;gap:8px;flex-wrap:wrap}
.revedit .h b{font-family:var(--display);font-size:16px}
.sk4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}
@media (max-width:560px){.sk4{grid-template-columns:repeat(2,minmax(0,1fr))}}
.sk4 label{font-size:12px;font-weight:600;display:flex;flex-direction:column;gap:3px;border-left:3px solid var(--k);padding-left:7px}
.c3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
@media (max-width:900px){.c3{grid-template-columns:minmax(0,1fr)}}
.c3 label{font-size:12px;font-weight:600;display:flex;flex-direction:column;gap:3px}
.c3 .s textarea{background:var(--bad-bg)} .c3 .a textarea{background:var(--good-bg)} .c3 .f textarea{background:var(--fix-bg)}
.dirty .savestate{color:var(--bad)}
.savestate{font-size:12px;color:var(--muted)}

/* grading & homework */
.media{display:flex;flex-wrap:wrap;gap:8px}
.media img{width:160px;height:160px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.media audio{width:100%;max-width:420px}
.media video{max-width:100%;max-height:320px;border-radius:8px}
.answer{white-space:pre-wrap;background:var(--soft);border-radius:8px;padding:10px 12px;font-size:14.5px;margin:0}
.qlist{display:flex;flex-direction:column;gap:14px;counter-reset:q}
.q{border:1px solid var(--line);border-radius:12px;padding:14px;display:flex;flex-direction:column;gap:8px}
.q .qt{font-weight:600}
.q .qt::before{counter-increment:q;content:"Câu " counter(q) ". ";color:var(--muted);font-family:var(--mono);font-size:13px}
.opt{display:flex;gap:10px;align-items:flex-start;padding:9px 11px;border:1px solid var(--line);border-radius:9px;cursor:pointer}
.opt:hover{border-color:var(--muted)}
.opt input{margin-top:4px;flex:none}
.opt.right{border-color:var(--good);background:var(--good-bg)}
.opt.wrong{border-color:var(--bad);background:var(--bad-bg)}
.qedit{border:1px solid var(--line);border-radius:10px;padding:12px;display:flex;flex-direction:column;gap:8px}
.qedit .oprow{display:flex;gap:8px;align-items:center}
.qedit .oprow input[type=text]{flex:1}
.mark{font-weight:700;font-size:13px}
.mark.ok{color:var(--good)} .mark.no{color:var(--bad)}
.recbox{border:1px dashed var(--line);border-radius:12px;padding:16px;display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.recdot{width:10px;height:10px;border-radius:50%;background:var(--bad);display:inline-block}
@media (prefers-reduced-motion:no-preference){.recdot{animation:blink 1s infinite}@keyframes blink{50%{opacity:.25}}}
.thumbs{display:flex;gap:8px;flex-wrap:wrap}
.thumbs .t{position:relative}
.thumbs img{width:96px;height:96px;object-fit:cover;border-radius:8px;border:1px solid var(--line)}
.thumbs button{position:absolute;top:4px;right:4px;width:24px;height:24px;border-radius:50%;border:none;background:var(--ink);color:var(--paper);font-size:12px;line-height:1}
.feedback{border-left:4px solid var(--accent);background:var(--fix-bg);border-radius:8px;padding:12px 14px}
.feedback b{display:block;font-size:12px;color:var(--fix);margin-bottom:2px}
.scorebig{font-family:var(--display);font-weight:700;font-size:34px;line-height:1}
.scorebig small{font-size:16px;color:var(--muted)}

/* messages */
.thread{display:flex;flex-direction:column;gap:8px;max-height:60vh;overflow-y:auto;padding:4px}
.msg{max-width:82%;padding:9px 12px;border-radius:12px;font-size:14.5px;white-space:pre-wrap;overflow-wrap:anywhere}
.msg small{display:block;font-size:11px;color:var(--muted);margin-top:3px}
.msg.me{align-self:flex-end;background:var(--accent);color:var(--accent-ink);border-bottom-right-radius:4px}
.msg.me small{color:inherit;opacity:.75}
.msg.them{align-self:flex-start;background:var(--soft);border-bottom-left-radius:4px}
.compose{display:flex;gap:8px;align-items:flex-end}
.compose textarea{min-height:46px;flex:1}

/* ---------- student shell ---------- */
.sshell{max-width:760px;margin:0 auto;padding-block:16px calc(90px + env(safe-area-inset-bottom,0px));display:flex;flex-direction:column;gap:16px}
.hello h1{font-family:var(--display);font-size:clamp(24px,5vw,30px);margin:0;line-height:1.2}
.hello p{margin:2px 0 0;color:var(--muted)}
.scard{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:10px;min-width:0}
.scard h2{font-size:16px;margin:0;display:flex;justify-content:space-between;align-items:baseline;gap:8px}
.scard h2 a{font-size:13px;font-weight:500;text-decoration:none}
.bottomnav{position:fixed;left:0;right:0;bottom:0;z-index:30;background:var(--paper);border-top:1px solid var(--line);display:flex;justify-content:space-around;padding:6px max(8px,env(safe-area-inset-right,0px)) calc(6px + env(safe-area-inset-bottom,0px)) max(8px,env(safe-area-inset-left,0px))}
.bottomnav a{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;color:var(--muted);font-size:11.5px;font-weight:500;padding:4px 2px;border-radius:8px;position:relative;max-width:120px}
.bottomnav a svg{width:22px;height:22px}
.bottomnav a[aria-current="true"]{color:var(--accent)}
.bottomnav .badge{position:absolute;top:0;right:calc(50% - 22px)}

/* modal & toast */
.scrim{position:fixed;inset:0;background:color-mix(in srgb,#0b1020 50%,transparent);display:flex;align-items:flex-start;justify-content:center;padding:max(24px,env(safe-area-inset-top,0px)) max(12px,env(safe-area-inset-right,0px)) 24px max(12px,env(safe-area-inset-left,0px));overflow-y:auto;z-index:50}
.modal{background:var(--paper);border-radius:14px;width:100%;max-width:620px;border:1px solid var(--line);display:flex;flex-direction:column}
.modal.wide{max-width:860px}
.modal header{padding:18px 20px 10px;display:flex;justify-content:space-between;align-items:center;gap:10px}
.modal h3{font-family:var(--display);margin:0;font-size:20px}
.mbody{padding:6px 20px 16px;display:flex;flex-direction:column;gap:12px}
.modal footer{padding:12px 20px 18px;display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;border-top:1px solid var(--line)}
.modal footer .r{display:flex;gap:8px;margin-left:auto}
.swatches{display:flex;gap:8px}
.sw{width:28px;height:28px;border-radius:50%;border:2px solid transparent;background:var(--cc)}
.sw[aria-pressed="true"]{border-color:var(--ink);box-shadow:inset 0 0 0 3px var(--paper)}
.attgrid{display:flex;flex-direction:column;gap:6px}
.attrow{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;padding:6px 0;border-top:1px solid var(--line)}
.attrow:first-child{border-top:none}
.cred{border:2px dashed var(--accent);border-radius:12px;padding:14px;font-family:var(--mono);font-size:14px;white-space:pre-wrap;background:var(--fix-bg);overflow-wrap:anywhere}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(84px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--paper);padding:9px 16px;border-radius:999px;font-size:13.5px;z-index:60;max-width:calc(100vw - 32px);text-align:center}
.toast.bad{background:var(--bad)}
.loading{padding:60px 0;text-align:center;color:var(--muted)}
@media (prefers-reduced-motion:no-preference){.btn,.cls,.tab{transition:background .12s,border-color .12s,color .12s}}