/* Seelie Dash · Glass Wing, operated. Pearl and graphite (dark: ink and pearl); the thin-film colour only marks
   live data (the device pulse) and the empty box you're about to fill. Every number and field name is Geist Mono. */
@font-face{font-family:"Syncopate";src:url(/assets/fonts/syncopate-latin-700-normal.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Geist";src:url(/assets/fonts/geist-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Geist";src:url(/assets/fonts/geist-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Geist";src:url(/assets/fonts/geist-latin-600-normal.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(/assets/fonts/geist-mono-latin-400-normal.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Geist Mono";src:url(/assets/fonts/geist-mono-latin-500-normal.woff2) format("woff2");font-weight:500;font-display:swap}

/* Arabic letters only: the unicode-range keeps Latin in the brand faces, and the font downloads only when Arabic is on screen */
@font-face{font-family:"Noto Kufi Arabic";src:url(/assets/fonts/noto-kufi-arabic-arabic-400-normal.woff2) format("woff2");font-weight:400 500;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}
@font-face{font-family:"Noto Kufi Arabic";src:url(/assets/fonts/noto-kufi-arabic-arabic-700-normal.woff2) format("woff2");font-weight:600 700;font-display:swap;unicode-range:U+0600-06FF,U+0750-077F,U+0870-088E,U+0890-0891,U+0897-08E1,U+08E3-08FF,U+200C-200E,U+2010-2011,U+204F,U+2E41,U+FB50-FDFF,U+FE70-FE74,U+FE76-FEFC}

:root{
  --pearl:#F4F5F8;--white:#FFFFFF;--mist:#E3E5EB;--mist-2:#EDEEF2;--graphite:#1B1D24;--slate:#555A67;--line:rgba(27,29,36,.1);--line-2:rgba(27,29,36,.2);
  --ok:#1E6B4A;--ok-bg:#DDEFE6;--err:#B3261E;--err-bg:#F8E1DF;--warn:#6B4E0E;--warn-bg:#F3EBD6;
  --film:linear-gradient(100deg,#8FE3FF,#FFB8E6 40%,#FFF1A8 70%,#B8FFD9);
  --fd:"Syncopate",system-ui,sans-serif;--fb:"Geist",system-ui,sans-serif;--fm:"Geist Mono",ui-monospace,monospace;
  --sel:#FFD6F0;--scroll:#C9CCD5;--shadow:rgba(27,29,36,.5);--film-o:.55;--ph:#6A6F7C;
  /* chart series: validated categorical order (dataviz), fixed, never cycled */
  --s1:#2a78d6;--s2:#eb6834;--s3:#1baf7a;--s4:#eda100;--s5:#e87ba4;--s6:#008300;--s7:#4a3aa7;--s8:#e34948;
  --grid:rgba(27,29,36,.07);--axis:#555A67;
  --ease:cubic-bezier(.16,1,.3,1);--gut:clamp(16px,4vw,48px);--rail:272px;
  color-scheme:light;
}
:root[data-theme="dark"]{
  --pearl:#0E1015;--white:#161920;--mist:#2A2E38;--mist-2:#1D2028;--graphite:#ECEEF3;--slate:#A3A9B6;--line:rgba(236,238,243,.1);--line-2:rgba(236,238,243,.22);
  --ok:#7FD1A9;--ok-bg:#173A2B;--err:#FF8A80;--err-bg:#43201E;--warn:#F0CF83;--warn-bg:#3A301A;
  --sel:#6B3C5E;--scroll:#3A3F4B;--shadow:rgba(0,0,0,.6);--film-o:.25;--ph:#8A90A0;
  --s1:#3987e5;--s2:#d95926;--s3:#199e70;--s4:#c98500;--s5:#d55181;--s6:#008300;--s7:#9085e9;--s8:#e66767;
  --grid:rgba(236,238,243,.07);--axis:#A3A9B6;
  color-scheme:dark;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html{scrollbar-color:var(--scroll) transparent;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--pearl);color:var(--graphite);font:15px/1.55 var(--fb);-webkit-font-smoothing:antialiased}
::selection{background:var(--sel);color:var(--graphite)}
img,svg,canvas{display:block;max-width:100%}
a{color:var(--graphite);text-underline-offset:.25em;text-decoration-thickness:1px}
:focus-visible{outline:2px solid var(--graphite);outline-offset:2px;border-radius:6px}
h1,h2,h3{margin:0;text-wrap:balance}
p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
input::placeholder{color:var(--ph)}
.mono,code,kbd{font-family:var(--fm);font-variant-numeric:tabular-nums}
.skip{position:absolute;inset-inline-start:16px;top:-80px;z-index:90;background:var(--graphite);color:var(--pearl);padding:10px 16px;border-radius:10px;text-decoration:none}
.skip:focus{top:16px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}
.brand{display:inline-flex;align-items:center;gap:10px;text-decoration:none;color:var(--graphite)}
.brand .m{width:28px;height:28px}
.brand .w{height:11px;width:auto}
.brand .tag{font:500 11px var(--fm);letter-spacing:.14em;text-transform:uppercase;color:var(--slate);padding-inline-start:10px;border-inline-start:1px solid var(--line-2)}
:root[data-theme="dark"] .l,:root:not([data-theme="dark"]) .d{display:none}
.ico{width:16px;height:16px;flex:none}

/* buttons and inputs */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font:500 14px/1 var(--fb);padding:11px 16px;min-height:40px;border-radius:11px;border:1.5px solid transparent;cursor:pointer;text-decoration:none;white-space:nowrap;background:none;transition:transform .35s var(--ease),box-shadow .35s var(--ease),background .2s,border-color .2s,opacity .2s}
.btn.pri{background:var(--graphite);color:var(--pearl);box-shadow:0 6px 16px -10px var(--shadow)}
.btn.pri:hover{transform:translateY(-1px);box-shadow:0 10px 22px -12px var(--shadow)}
.btn.sec{color:var(--graphite);background:linear-gradient(var(--white),var(--white)) padding-box,var(--film) border-box}
.btn.sec:hover{transform:translateY(-1px)}
.btn.ghost{color:var(--graphite);border-color:var(--line-2);background:var(--white)}
.btn.ghost:hover{border-color:var(--graphite)}
.btn.quiet{color:var(--slate);padding-inline:10px}
.btn.quiet:hover{color:var(--graphite);background:var(--mist-2)}
.btn.danger{color:var(--err);border-color:currentColor;background:transparent}
.btn.danger:hover{background:var(--err-bg)}
.btn.big{font-size:15px;padding:15px 22px;min-height:50px;border-radius:12px}
.btn[disabled],.btn[aria-disabled="true"]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn.busy{cursor:progress}
.iconbtn{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;border:0;background:none;color:var(--slate);cursor:pointer}
.iconbtn:hover{background:var(--mist-2);color:var(--graphite)}
.field{display:grid;gap:6px}
.field label,.label{font:500 12px var(--fm);letter-spacing:.06em;text-transform:uppercase;color:var(--slate)}
.input,select.input{width:100%;min-height:44px;padding:10px 13px;border-radius:10px;border:1.5px solid var(--mist);background:var(--pearl);transition:border-color .2s}
.input:hover{border-color:var(--line-2)}
.input:focus{outline:none;border-color:var(--graphite)}
.input[aria-invalid="true"]{border-color:var(--err)}
.hint{font-size:13px;color:var(--slate)}
.msg{font-size:14px;display:flex;gap:8px;align-items:flex-start;padding:10px 12px;border-radius:10px}
.msg.err{color:var(--err);background:var(--err-bg)}
.msg.ok{color:var(--ok);background:var(--ok-bg)}
.msg.warn{color:var(--warn);background:var(--warn-bg)}
.msg .ico{margin-top:2px}
.meter{height:4px;border-radius:2px;background:var(--mist);overflow:hidden;margin-top:2px}
.meter i{display:block;height:100%;width:100%;transform:scaleX(var(--w,0));transform-origin:left;background:var(--err);transition:transform .25s var(--ease),background .25s}
[dir="rtl"] .meter i{transform-origin:right}
.meter[data-s="2"] i{background:var(--warn)}
.meter[data-s="3"] i,.meter[data-s="4"] i{background:var(--ok)}
.check{display:flex;align-items:center;gap:10px;cursor:pointer;min-height:36px}
.check input{width:18px;height:18px;accent-color:var(--graphite);margin:0;flex:none}

/* ---------- app shell: rail · work (bar / grid / monitor) ---------- */
.app{display:grid;grid-template-columns:var(--rail) minmax(0,1fr);height:100dvh}
.rail{display:flex;flex-direction:column;min-height:0;background:var(--white);border-inline-end:1px solid var(--line)}
.rail-top{padding:18px 18px 12px;display:grid;gap:16px}
.rail-scroll{flex:1;min-height:0;overflow:auto;padding:4px 10px 12px;overscroll-behavior:contain}
.rail-foot{padding:10px 12px;border-top:1px solid var(--line);display:flex;align-items:center;gap:4px}
.rail-foot .who{flex:1;min-width:0;font-size:13px;color:var(--slate);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;padding-inline:6px;text-decoration:none}
.rail-foot .who:hover{color:var(--graphite)}
.rail h2{font:500 11px var(--fm);letter-spacing:.12em;text-transform:uppercase;color:var(--slate);padding:14px 8px 8px;display:flex;align-items:center;justify-content:space-between}
.rail h2 .iconbtn{width:28px;height:28px}

/* dashboard switcher */
.dashes{display:grid;gap:2px}
.dashes a{display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:9px;text-decoration:none;color:var(--slate);font-size:14px}
.dashes a:hover{background:var(--mist-2);color:var(--graphite)}
.dashes a[aria-current="page"]{background:var(--mist-2);color:var(--graphite);font-weight:500}
.dashes .ico{color:var(--slate)}

/* devices */
.dev{border-radius:12px;padding:6px 4px 8px;margin-bottom:4px}
.dev+.dev{border-top:1px solid var(--line);border-radius:0;padding-top:10px}
.dev-head{display:flex;align-items:center;gap:8px;padding:2px 6px}
.dev-name{flex:1;min-width:0;font-weight:500;font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.dev-state{display:flex;align-items:center;gap:8px;padding:2px 6px 6px;font:12px var(--fm);color:var(--slate)}
.pulse{position:relative;width:9px;height:9px;border-radius:50%;flex:none;border:1.5px solid var(--slate)}
.pulse.on{border:0;background:var(--film)}
.pulse.on::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:var(--film);opacity:0;transition:opacity .15s}
.pulse.beat::after{opacity:.55;animation:beat .9s var(--ease) forwards}
@keyframes beat{to{opacity:0;transform:scale(1.8)}}
.via{display:inline-flex;align-items:center;gap:5px;font:500 11px/1 var(--fm);letter-spacing:.06em;text-transform:uppercase;padding:4px 7px;border-radius:6px;background:var(--mist-2);color:var(--graphite)}
.via .ico{width:12px;height:12px}
.via.off{background:none;border:1px solid var(--line-2);color:var(--slate)}
.fields{display:grid;margin:0;padding:0;list-style:none}
.fields li{display:flex;justify-content:space-between;gap:12px;padding:4px 8px;border-radius:7px;font:13px var(--fm);font-variant-numeric:tabular-nums;transition:background .12s var(--ease)}
.fields li span:first-child{color:var(--slate);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.fields li.flash{background:var(--mist-2);transition:none}
.fields .empty{color:var(--slate);font-family:var(--fb);font-size:13px}

/* work area */
.work{display:grid;grid-template-rows:auto minmax(0,1fr) auto;min-width:0;height:100dvh}
.bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:14px clamp(16px,2vw,28px);border-bottom:1px solid var(--line);background:var(--pearl)}
.bar .title{flex:1;min-width:160px;display:flex;align-items:center;gap:4px}
.bar h1{font:600 18px/1.3 var(--fb);letter-spacing:-.01em;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar .rename{font:600 18px var(--fb);min-height:38px;padding:4px 8px;border-radius:8px;border:1.5px solid var(--graphite);background:var(--white);width:min(320px,100%)}
.range{display:inline-flex;padding:3px;border-radius:11px;background:var(--mist-2);border:1px solid var(--line);overflow-x:auto;max-width:100%;scrollbar-width:none}
.range button{border:0;background:none;padding:7px 10px;border-radius:8px;font:500 12px/1 var(--fm);color:var(--slate);cursor:pointer;white-space:nowrap}
.range button:hover{color:var(--graphite)}
.range button[aria-pressed="true"]{background:var(--white);color:var(--graphite);box-shadow:0 1px 3px var(--line-2)}
.range button[data-range="live"][aria-pressed="true"]::before{content:"";display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--film);margin-inline-end:6px;vertical-align:1px}

.canvas{overflow:auto;padding:clamp(14px,2vw,24px) clamp(16px,2vw,28px);overscroll-behavior:contain}
.grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:14px;align-content:start}
.box{grid-column:span var(--span,6);position:relative;min-height:260px;display:flex;flex-direction:column;background:var(--white);border:1px solid var(--line);border-radius:14px;padding:12px 14px 12px 16px;min-width:0}
.box-head{display:flex;align-items:center;gap:8px;min-height:34px}
.box-head h3,.box-head .t{flex:1;min-width:0;font:600 14px var(--fb);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.box-head .src{font:12px var(--fm);color:var(--slate);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:45%}
.box-body{flex:1;min-height:0;position:relative;display:flex;flex-direction:column}
.plot{flex:1;min-height:180px;position:relative}
.box .state{position:absolute;inset:0;display:grid;place-items:center;text-align:center;padding:16px;font:13px/1.5 var(--fm);color:var(--slate);pointer-events:none}
.legend{display:flex;flex-wrap:wrap;gap:4px 16px;margin:6px 0 0;padding:0;list-style:none;font:12px var(--fm);font-variant-numeric:tabular-nums}
.legend li{display:flex;align-items:center;gap:6px;color:var(--slate)}
.legend i{width:14px;height:2px;border-radius:2px;background:var(--c)}
.legend b{font-weight:500;color:var(--graphite)}

/* value widget */
.value{flex:1;display:grid;align-content:center;gap:14px;padding:8px 2px}
.value .row{display:grid;gap:2px}
.value .num{font:500 clamp(34px,4vw,52px)/1 var(--fm);letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.value .row:not(:only-child) .num{font-size:clamp(24px,2.6vw,32px)}
.value .cap{display:flex;align-items:center;gap:6px;font:12px var(--fm);color:var(--slate)}
.value .cap i{width:10px;height:2px;border-radius:2px;background:var(--c)}

/* the empty box: click to add a graph */
.box.empty{background:transparent;border:1.5px dashed var(--line-2);display:grid;place-items:center;cursor:pointer;color:var(--slate);min-height:200px;transition:border-color .2s,background .2s,color .2s}
.box.empty:hover,.box.empty:focus-visible{border-style:solid;border-color:transparent;background:linear-gradient(var(--pearl),var(--pearl)) padding-box,var(--film) border-box;color:var(--graphite);outline:none}
.box.empty span{display:inline-flex;align-items:center;gap:8px;font:500 13px var(--fm)}

/* editor: an empty box opens in place */
.box.editing{border:1.5px solid var(--graphite);min-height:0;cursor:auto}
.editor{display:grid;gap:14px}
.editor h3{font:600 14px var(--fb)}
.seg{display:inline-flex;padding:3px;border-radius:10px;background:var(--mist-2);gap:2px}
.seg label{position:relative;cursor:pointer}
.seg input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.seg span{display:inline-flex;align-items:center;gap:6px;padding:7px 11px;border-radius:8px;font:500 13px var(--fb);color:var(--slate)}
.seg input:checked+span{background:var(--white);color:var(--graphite);box-shadow:0 1px 3px var(--line-2)}
.seg input:focus-visible+span{outline:2px solid var(--graphite);outline-offset:1px}
.pick{max-height:240px;overflow:auto;border:1px solid var(--line);border-radius:10px;padding:4px 10px}
.pick fieldset{border:0;margin:0;padding:6px 0}
.pick fieldset+fieldset{border-top:1px solid var(--line)}
.pick legend{font:500 12px var(--fm);color:var(--slate);padding:4px 0}
.pick .check{justify-content:space-between;font:13px var(--fm);text-transform:none;letter-spacing:0;color:var(--graphite)}
.pick .check span{flex:1}
.pick .check em{font-style:normal;color:var(--slate)}
.editor .actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap}
.editor .two{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:end}

/* widget menu */
.menu-pop{position:absolute;inset-inline-end:10px;top:44px;z-index:5;min-width:180px;background:var(--white);border:1px solid var(--line-2);border-radius:12px;padding:6px;box-shadow:0 18px 40px -20px var(--shadow);display:grid}
.menu-pop button{display:flex;align-items:center;gap:10px;border:0;background:none;padding:9px 10px;border-radius:8px;cursor:pointer;text-align:start;font-size:14px}
.menu-pop button:hover{background:var(--mist-2)}
.menu-pop .sep{height:1px;background:var(--line);margin:4px 0}
.menu-pop .danger{color:var(--err)}

/* first run */
.first{grid-column:1/-1;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(20px,4vw,56px);padding:clamp(20px,3vw,36px);border:1px solid var(--line);border-radius:16px;background:var(--white)}
.first h2{font:600 22px/1.25 var(--fb);letter-spacing:-.01em}
.first p{color:var(--slate);margin-top:8px;max-width:52ch}
.first ol{margin:18px 0 0;padding-inline-start:20px;display:grid;gap:8px;color:var(--slate)}
.first ol b{color:var(--graphite);font-weight:500}
.first .row{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
@media (max-width:820px){.first{grid-template-columns:1fr}}

/* code blocks */
pre.code{margin:0;padding:14px 16px;border-radius:12px;background:var(--mist-2);border:1px solid var(--line);font:12.5px/1.6 var(--fm);overflow:auto;white-space:pre;tab-size:2}
.code .c{color:var(--slate)}
.copy{position:relative}
.copy button{position:absolute;inset-inline-end:8px;top:8px}

/* serial monitor, docked */
.monitor{border-top:1px solid var(--line);background:var(--white);display:grid;grid-template-rows:auto minmax(0,1fr);height:var(--mon-h,200px)}
.monitor.closed{--mon-h:44px}
.mon-head{display:flex;align-items:center;gap:10px;padding:5px 10px 5px clamp(16px,2vw,28px);min-height:44px}
.mon-head h2{font:500 12px var(--fm);letter-spacing:.1em;text-transform:uppercase;display:flex;align-items:center;gap:10px}
.mon-head .count{font:12px var(--fm);color:var(--slate)}
.mon-head .sp{flex:1}
.mon-head select{min-height:32px;padding:4px 8px;border-radius:8px;border:1px solid var(--line-2);background:var(--pearl);font:12px var(--fm);max-width:160px}
.lines{overflow:auto;margin:0;padding:0 clamp(16px,2vw,28px) 10px;list-style:none;font:12.5px/1.65 var(--fm);font-variant-numeric:tabular-nums}
.lines li{display:grid;grid-template-columns:auto auto minmax(0,1fr);gap:12px;align-items:baseline}
.lines time{color:var(--slate)}
.lines .who{color:var(--slate);min-width:0;max-width:140px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.lines .txt{white-space:pre-wrap;word-break:break-all}
.lines li.bad .txt{color:var(--slate)}
.lines li.bad .why{display:inline-flex;gap:5px;align-items:center;color:var(--err);margin-inline-start:10px;white-space:normal;word-break:normal}
.lines li.bad .why .ico{width:13px;height:13px}
.lines li.sys .txt{color:var(--slate);font-style:italic}
.lines .none{display:block;color:var(--slate);padding-top:6px;font-family:var(--fb)}

/* dialogs */
dialog{border:1px solid var(--line-2);border-radius:18px;padding:0;background:var(--white);color:var(--graphite);width:min(620px,calc(100% - 24px));max-height:calc(100dvh - 24px);box-shadow:0 30px 80px -30px var(--shadow)}
dialog::backdrop{background:rgba(14,16,21,.42);backdrop-filter:blur(2px)}
dialog[open]{animation:rise .35s var(--ease)}
@keyframes rise{from{opacity:0;transform:translateY(8px)}}
.dlg{display:grid;gap:18px;padding:22px 24px 24px}
.dlg-head{display:flex;align-items:center;gap:12px}
.dlg-head h2{flex:1;font:600 19px/1.3 var(--fb);letter-spacing:-.01em}
.dlg .lead{color:var(--slate);margin-top:-8px}
.ways{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}
.way{position:relative;display:grid;gap:8px;align-content:start;text-align:start;padding:14px;border-radius:13px;border:1.5px solid var(--mist);background:var(--pearl);cursor:pointer;min-height:132px;transition:border-color .2s,transform .3s var(--ease)}
.way:hover:not([aria-disabled="true"]){border-color:var(--graphite);transform:translateY(-1px)}
.way svg.big{width:26px;height:26px}
.way b{font-weight:600;font-size:14px}
.way small{font-size:12.5px;color:var(--slate);line-height:1.45}
.way[aria-disabled="true"]{cursor:not-allowed;opacity:.62}
@media (max-width:620px){.ways{grid-template-columns:repeat(2,minmax(0,1fr))}}
.keybox{display:flex;gap:8px;align-items:stretch}
.keybox code{flex:1;min-width:0;padding:11px 12px;border-radius:10px;background:var(--mist-2);border:1px solid var(--line);font-size:12.5px;overflow-wrap:anywhere}
.dlg .foot{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap}
.steps-inline{display:flex;gap:6px;font:12px var(--fm);color:var(--slate)}

/* toast */
.toasts{position:fixed;inset-inline-end:16px;bottom:16px;z-index:80;display:grid;gap:8px;max-width:min(380px,calc(100% - 32px))}
.toast{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:12px;background:var(--graphite);color:var(--pearl);font-size:14px;box-shadow:0 18px 40px -18px var(--shadow);animation:rise .35s var(--ease)}
.toast button{margin-inline-start:auto;border:0;background:none;color:inherit;font:600 13px var(--fb);text-decoration:underline;text-underline-offset:3px;cursor:pointer;padding:4px}

/* uPlot, themed */
.uplot{font-family:var(--fm)!important}
.u-legend{display:none}
.u-select{background:color-mix(in srgb,var(--graphite) 8%,transparent)}
.u-cursor-x,.u-cursor-y{border-color:var(--line-2)!important}
.tip{position:absolute;z-index:4;pointer-events:none;background:var(--graphite);color:var(--pearl);border-radius:9px;padding:8px 10px;font:12px/1.5 var(--fm);font-variant-numeric:tabular-nums;white-space:nowrap;box-shadow:0 12px 30px -14px var(--shadow);transform:translate(12px,-50%)}
.tip.left{transform:translate(calc(-100% - 12px),-50%)}
.tip time{display:block;opacity:.75;margin-bottom:2px}
.tip i{display:inline-block;width:9px;height:2px;border-radius:2px;background:var(--c);margin-inline-end:6px;vertical-align:3px}

/* ---------- phone and tablet ---------- */
@media (max-width:1100px){.box{grid-column:span max(6,var(--span,6))}}
@media (min-width:1101px){.box{grid-column:span var(--fill,var(--span,6))}}
@media (max-width:900px){
  .app{grid-template-columns:minmax(0,1fr);height:auto}
  .rail{border-inline-end:0;border-bottom:1px solid var(--line)}
  .rail-scroll{max-height:none;overflow:visible}
  .rail-top{display:flex;align-items:center;justify-content:space-between;padding:12px 16px}
  .rail:not(.open) .rail-scroll,.rail:not(.open) .rail-foot{display:none}
  .rail.open .rail-toggle svg{rotate:180deg}
  .work{height:auto}
  .canvas{overflow:visible}
  .box{grid-column:1/-1}
  .monitor{position:sticky;bottom:0;z-index:20;height:auto}
  .monitor .lines{max-height:calc(46dvh - 44px)}
  .monitor.closed .lines{display:none}
}
@media (min-width:901px){.rail .rail-toggle{display:none}}
.rail-toggle{display:flex;align-items:center;gap:6px;min-height:38px;padding:8px 12px;font-size:13px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
}

/* ---------- public pages (landing, auth, legal) ---------- */
.site{min-height:100dvh;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:16px;padding:16px var(--gut);border-bottom:1px solid var(--line)}
.top nav{margin-inline-start:auto;display:flex;align-items:center;gap:6px}
.top nav a:not(.btn){font-size:14px;color:var(--slate);text-decoration:none;padding:8px 10px;border-radius:8px}
.top nav a:not(.btn):hover{color:var(--graphite)}
.wrap{width:min(1180px,100% - 2*var(--gut));margin-inline:auto}
.foot{margin-top:auto;border-top:1px solid var(--line);padding:24px var(--gut);display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;font-size:13px;color:var(--slate)}
.foot a{color:var(--slate)}
.foot a:hover{color:var(--graphite)}
.foot .sp{flex:1}

.auth{flex:1;display:grid;place-items:center;padding:clamp(28px,6vw,72px) var(--gut)}
.auth form,.signin{width:min(420px,100%);display:grid;gap:16px}
.providers{display:grid;gap:10px;margin-top:8px}
.btn.provider{justify-content:center;gap:12px;min-height:52px;font-size:15px;border-color:var(--line-2);background:var(--white);color:var(--graphite)}
.btn.provider:hover{border-color:var(--graphite);transform:translateY(-1px)}
.btn.provider[aria-disabled="true"]{opacity:.45;pointer-events:none}
.btn.provider .logo{width:20px;height:20px;flex:none}
.places{display:grid;gap:8px;padding:14px 16px;border:1px solid var(--line);border-radius:12px;background:var(--white)}
.places h2{font:500 12px var(--fm);letter-spacing:.06em;text-transform:uppercase;color:var(--slate)}
.places .count{font:500 15px var(--fb);font-variant-numeric:tabular-nums}
.places.full{border-color:color-mix(in srgb,var(--err) 40%,transparent)}
:root[lang="ar"] .places h2{font-family:var(--fb)}
.auth h1{font:600 26px/1.2 var(--fb);letter-spacing:-.015em}
.auth .lead{color:var(--slate)}
.auth .alt{font-size:14px;color:var(--slate);text-align:center}
.auth .row{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px}

.hero{position:relative;isolation:isolate;overflow:hidden;padding-block:clamp(40px,7vw,96px) clamp(40px,6vw,72px)}
.hero .film{position:absolute;inset:-20% -30% 20%;z-index:-1;opacity:var(--film-o);pointer-events:none;
  background:radial-gradient(closest-side,#8FE3FF,transparent) 25% 40%/42% 56% no-repeat,radial-gradient(closest-side,#FFB8E6,transparent) 72% 35%/46% 56% no-repeat,radial-gradient(closest-side,#FFF1A8,transparent) 55% 80%/40% 46% no-repeat,radial-gradient(closest-side,#B8FFD9,transparent) 88% 78%/30% 36% no-repeat;
  filter:blur(40px);animation:drift 18s ease-in-out infinite alternate}
@keyframes drift{to{transform:rotate(12deg) scale(1.08) translate(3%,-3%)}}
.hero .wrap{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(28px,4vw,64px);align-items:center}
.hero h1{font:700 clamp(28px,4.2vw,60px)/1.06 var(--fd);text-transform:uppercase;letter-spacing:.01em;max-width:13ch}
.hero .sub{margin-top:22px;color:var(--slate);font-size:clamp(16px,1.3vw,18px);max-width:44ch}
.hero .row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero .note{margin-top:16px;font:12px var(--fm);color:var(--slate)}
@media (max-width:920px){.hero .wrap{grid-template-columns:1fr}}

/* the landing demo: a slice of the real app */
.demo{border:1px solid var(--line-2);border-radius:18px;background:var(--white);box-shadow:0 40px 80px -50px var(--shadow);overflow:hidden}
.demo-bar{display:flex;align-items:center;gap:10px;padding:10px 14px;border-bottom:1px solid var(--line);font:12px var(--fm);color:var(--slate)}
.demo-bar .sp{flex:1}
.demo-body{display:grid;grid-template-columns:170px minmax(0,1fr)}
.demo-body .fields{padding:10px 6px;border-inline-end:1px solid var(--line)}
.demo-body .box{grid-column:auto;border:0;border-radius:0;min-height:230px}
.demo .lines .txt{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;word-break:normal}
.demo .lines{height:112px;overflow:hidden;border-top:1px solid var(--line);padding-top:8px}
@media (max-width:560px){.demo-body{grid-template-columns:1fr}.demo-body .fields{border-inline-end:0;border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr}}

.band{padding-block:clamp(56px,8vw,112px);border-top:1px solid var(--line)}
.band h2{font:700 clamp(20px,2.4vw,30px)/1.2 var(--fd);text-transform:uppercase;letter-spacing:.05em}
.band .intro{margin-top:14px;color:var(--slate);max-width:60ch;font-size:16px}
.three{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(20px,3vw,40px);margin-top:40px}
.three article{display:grid;gap:12px;align-content:start}
.three h3{display:flex;align-items:center;gap:10px;font:600 17px var(--fb)}
.three h3 svg{width:22px;height:22px}
.three p{color:var(--slate)}
@media (max-width:900px){.three{grid-template-columns:1fr}}
.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:clamp(24px,4vw,56px);align-items:start;margin-top:36px}
.split p+p{margin-top:12px}
.split p{color:var(--slate)}
@media (max-width:900px){.split{grid-template-columns:1fr}}
table.support{width:100%;border-collapse:collapse;margin-top:28px;font-size:14px}
.support th,.support td{text-align:start;padding:12px 10px;border-bottom:1px solid var(--line)}
.support th{font:500 12px var(--fm);letter-spacing:.06em;text-transform:uppercase;color:var(--slate)}
.support td:not(:first-child){font-family:var(--fm);font-size:13px}
.yes{color:var(--ok)}.no{color:var(--slate)}
.table-wrap{overflow-x:auto}

.legal{padding-block:clamp(40px,6vw,80px)}
.legal .wrap{max-width:720px}
.legal h1{font:600 30px/1.2 var(--fb);letter-spacing:-.015em}
.legal h2{font:600 18px var(--fb);margin-top:34px}
.legal p,.legal li{color:var(--slate);margin-top:10px}
.legal .updated{font:12px var(--fm);color:var(--slate);margin-top:8px}

.account{max-width:640px;display:grid;gap:14px}
.account section{border:1px solid var(--line);border-radius:14px;background:var(--white);padding:20px 22px;display:grid;gap:14px}
.account h2{font:600 16px var(--fb)}
.account p{color:var(--slate)}
.account .danger-zone{border-color:color-mix(in srgb,var(--err) 35%,transparent)}
.notfound{flex:1;display:grid;place-items:center;text-align:center;padding:48px var(--gut)}
.notfound h1{font:700 clamp(28px,4vw,48px) var(--fd);text-transform:uppercase}
.notfound p{color:var(--slate);margin:12px 0 24px}
.split .row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.band .steps{margin:18px 0 0;padding-inline-start:22px;display:grid;gap:6px;color:var(--slate)}
.band .note{margin-top:14px;font:12px var(--fm);color:var(--slate)}
:root[lang="ar"] .band .note{font-family:var(--fb)}
.demo{margin:0}
.demo-bar span:nth-child(3){white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (max-width:560px){
  .top nav a:not(.btn){display:none}
  .top .brand .tag{display:none}
  .demo-bar span:nth-child(3){display:none}
}
.demo-body .fields{align-content:start}
.work,.monitor{grid-template-columns:minmax(0,1fr)}
.mon-head h2{white-space:nowrap}
.mon-head select{min-width:0;flex:0 1 auto}
@media (max-width:480px){.mon-head{gap:6px;padding-inline-start:12px}.mon-head .count{display:none}.mon-head h2{letter-spacing:.06em}}

/* ---------- Arabic (RTL) ---------- */
:root[lang="ar"]{--fd:"Noto Kufi Arabic","Syncopate",system-ui,sans-serif;--fb:"Noto Kufi Arabic","Geist",system-ui,sans-serif;--fm:"Geist Mono","Noto Kufi Arabic",ui-monospace,monospace}
:root[lang="ar"] body *:not(.code):not(.lines *):not(pre){letter-spacing:normal!important}
:root[lang="ar"] body{line-height:1.7}
:root[lang="ar"] h1,:root[lang="ar"] h2,:root[lang="ar"] h3{line-height:1.45}
/* code, serial lines, charts and addresses read left to right inside Arabic pages */
[dir="rtl"] pre.code,[dir="rtl"] .lines,[dir="rtl"] .plot,[dir="rtl"] .keybox code,[dir="rtl"] .secret,[dir="rtl"] input[type="email"],[dir="rtl"] .input.code{direction:ltr}
[dir="rtl"] pre.code,[dir="rtl"] .lines{text-align:left}
[dir="rtl"] .lines .why{direction:rtl}
/* Arabic pages wait for their text (i18n.js), but never longer than 1.5 s */
.i18n-pending body{visibility:hidden;animation:reveal 0s 1.5s forwards}
@keyframes reveal{to{visibility:visible}}

/* language and theme switches */
.prefs{display:flex;align-items:center;gap:4px}
.top .prefs{margin-inline-start:6px}
.pref{min-height:34px;padding:4px 10px;border-radius:9px;border:1px solid var(--line-2);background:none;color:var(--graphite);font:500 13px var(--fb);cursor:pointer}
.pref:hover{border-color:var(--graphite)}
.pref[lang="ar"]{font-family:"Noto Kufi Arabic",var(--fb)}
.rail-foot .pref{min-height:30px;padding:2px 8px;font-size:12px}
@media (max-width:560px){.top{gap:8px}.top .prefs .iconbtn{width:30px}}
/* Arabic words in a monospace font get very wide spaces: labels and captions use the text face instead */
:root[lang="ar"] :is(.field label,.label,.rail h2,.mon-head h2,.brand .tag,.dev-state,.box-head .src,.hero .note,.range button,.legend li,.value .cap,.way small,.demo-bar,.support th,.pick legend,.lines .why,.lines .none,.lines li.sys .txt){font-family:var(--fb)}
.dev-state .board{font:500 11px var(--fm);color:var(--slate)}
.dev-state{flex-wrap:wrap;row-gap:4px}