/* =========================================================================
   bmsgo.life — design system v1.0.1
   White paper, forest-green ink, lime accent. Matches FW 2.0.1 (the ESP32 web
   dashboard and the CYD TFT use the same palette), so the device and the site
   read as one product.
   ========================================================================= */
:root{
  color-scheme:light;
  --paper:#ffffff;
  --surface:#f3f6f1;      /* soft card / section background */
  --surface2:#e8ede4;     /* rails, tracks, empty states     */
  --line:#e0e7dc;
  --line2:#cfdcc8;
  --ink:#12301f;          /* primary text                    */
  --brand:#1b4332;        /* darkest green — headings, CTAs   */
  --brand2:#2d6a4f;       /* mid green — values, links        */
  --accent:#b7e34b;       /* lime — highlights, active pills  */
  --accent-ink:#22380b;
  --mint:#e8f3e2;
  --muted:#6d8073;
  --ok:#2f8a4f;
  --warn:#c07d0b;
  --bad:#c8452f;
  --info:#2f6f8f;
  --radius:16px;
  --shadow:0 1px 2px rgba(18,48,31,.06), 0 8px 24px rgba(18,48,31,.05);
  --mono:ui-monospace,SFMono-Regular,"Cascadia Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font:15px/1.55 "Segoe UI",-apple-system,BlinkMacSystemFont,Roboto,
       "Noto Sans Thai","Sarabun",Arial,sans-serif;
}
a{color:var(--brand2);text-decoration:none}
a:hover{text-decoration:underline}
code,kbd,.mono{font-family:var(--mono);font-size:.92em}
.wrap{max-width:1180px;margin:0 auto;padding:18px}
.narrow{max-width:880px}

/* ---- top menu ---------------------------------------------------------- */
.topnav{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.82);
  backdrop-filter:blur(14px) saturate(1.3);border-bottom:0px solid var(--line);padding-bottom:2px;
  box-shadow:0 2px 14px rgba(18,48,31,.05)}
/* thin brand gradient hairline along the very top edge */
.topnav::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand),var(--brand2) 45%,var(--accent))}
.topnav .bar{max-width:1180px;margin:0 auto;padding:33px 22px;
  display:flex;align-items:center;gap:20px}
.logo{display:flex;align-items:center;gap:12px;font-weight:800;font-size:22px;
  color:var(--brand);letter-spacing:-.5px;line-height:1}
.logo:hover{text-decoration:none}
.logo:hover .mark{transform:translateY(-1px) rotate(-3deg)}
.logo .mark{width:42px;height:42px;border-radius:13px;
  background:linear-gradient(145deg,var(--brand),var(--brand2));
  color:var(--accent);display:grid;place-items:center;font-size:14px;font-weight:800;
  letter-spacing:.3px;box-shadow:0 5px 14px rgba(27,67,50,.30),inset 0 1px 0 rgba(255,255,255,.18);
  transition:transform .2s}
.logo .dim{color:var(--muted);font-weight:700}
.menu{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.menu a{position:relative;padding:11px 17px;border-radius:12px;font-size:15.5px;font-weight:700;
  color:var(--brand);white-space:nowrap;transition:background .16s,color .16s,transform .16s}
.menu a:hover{background:var(--mint);text-decoration:none;transform:translateY(-1px)}
.menu a[aria-current="page"]{color:#fff;
  background:linear-gradient(145deg,var(--brand),var(--brand2));
  box-shadow:0 5px 14px rgba(27,67,50,.26)}
/* little lime tick under the active item for extra polish */
.menu a[aria-current="page"]::after{content:"";position:absolute;left:50%;bottom:5px;
  width:16px;height:3px;margin-left:-8px;border-radius:2px;background:var(--accent)}
.burger{display:none;margin-left:auto;background:var(--surface);border:1px solid var(--line2);
  color:var(--brand);border-radius:12px;padding:10px 14px;font-size:19px;line-height:1;cursor:pointer;
  transition:background .16s}
.burger:hover{background:var(--mint)}

/* ---- headings / sections ---------------------------------------------- */
h1{font-size:30px;line-height:1.2;letter-spacing:-.6px;color:var(--brand);margin:0 0 8px}
h2{font-size:21px;letter-spacing:-.3px;color:var(--brand);margin:34px 0 12px}
h3{font-size:16px;color:var(--brand);margin:20px 0 8px}
.lede{color:var(--muted);font-size:16px;max-width:70ch;margin:0 0 18px}
.sec{display:flex;align-items:center;gap:10px;margin:30px 2px 14px}
.sec h2{margin:0;font-size:18px}
.sec .more{margin-left:auto;font-size:13px;font-weight:700}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.10em;text-transform:uppercase;
  color:var(--brand2)}

/* ---- surfaces ---------------------------------------------------------- */
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;box-shadow:var(--shadow)}
.card.soft{background:var(--surface);box-shadow:none}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}
.note{background:var(--mint);border:1px solid var(--line2);border-left:4px solid var(--brand2);
  border-radius:10px;padding:12px 14px;margin:14px 0}
.note.warn{background:#fdf4e3;border-left-color:var(--warn)}
.note.bad{background:#fdecea;border-left-color:var(--bad)}
.note b{color:var(--brand)}

/* ---- buttons / pills --------------------------------------------------- */
.btn{display:inline-flex;align-items:center;gap:7px;padding:9px 16px;border-radius:10px;
  border:1px solid var(--line2);background:var(--paper);color:var(--brand);
  font-size:14px;font-weight:700;cursor:pointer;font-family:inherit}
.btn:hover{background:var(--mint);text-decoration:none}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand2)}
.btn.lime{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.lime:hover{background:#a8d93c}
.btn.sm{padding:6px 11px;font-size:12.5px;border-radius:8px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.pill{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;
  background:var(--surface);border:1px solid var(--line);color:var(--muted)}
.pill.ok{background:var(--mint);border-color:var(--brand2);color:var(--brand)}
.pill.lime{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.pill.bad{background:#fdecea;border-color:#f0b6ab;color:#8e2c1c}
.pill.warn{background:#fdf4e3;border-color:#eccf94;color:#7a5205}

/* ---- copy-to-clipboard ------------------------------------------------- */
.copy{display:inline-flex;align-items:center;gap:6px;padding:2px 8px;border-radius:8px;
  border:1px solid var(--line2);background:var(--surface);color:var(--brand);
  font:600 12.5px/1.6 var(--mono);cursor:pointer}
.copy:hover{background:var(--mint)}
.copy.done{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.copybox{display:flex;align-items:stretch;gap:0;border:1px solid var(--line2);border-radius:10px;
  overflow:hidden;background:var(--surface)}
.copybox code{flex:1;padding:10px 12px;overflow-x:auto;white-space:pre;color:var(--ink)}
.copybox button{border:0;border-left:1px solid var(--line2);background:var(--paper);
  color:var(--brand);font-weight:700;font-size:12.5px;padding:0 14px;cursor:pointer}
.copybox button:hover{background:var(--mint)}

/* ---- stats ------------------------------------------------------------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:14px;padding:13px 15px}
.stat b{display:block;font-size:27px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.15}
.stat small{color:var(--muted);font-size:12.5px}
.livedot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);
  margin-right:6px;animation:pulse 1.9s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(47,138,79,.45)}
  70%{box-shadow:0 0 0 9px rgba(47,138,79,0)}100%{box-shadow:0 0 0 0 rgba(47,138,79,0)}}

/* ---- tables ------------------------------------------------------------ */
.tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--paper)}
table{border-collapse:collapse;width:100%;min-width:520px;font-size:14px}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:var(--surface);color:var(--brand);font-size:12px;text-transform:uppercase;
  letter-spacing:.05em;position:sticky;top:0}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:var(--mint)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.rank{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:8px;
  background:var(--surface2);color:var(--muted);font-size:12px;font-weight:800}
.rank.g1{background:linear-gradient(135deg,#ffd75a,#f0a52c);color:#4a2f00}
.rank.g2{background:linear-gradient(135deg,#e2e8de,#c3cfbd);color:#2b3a2f}
.rank.g3{background:linear-gradient(135deg,#e0b183,#bb8146);color:#3a2200}

/* ---- leaderboard cards ------------------------------------------------- */
.boards{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.board{border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);
  padding:15px 16px;box-shadow:var(--shadow)}
.board h3{margin:0 0 4px;font-size:14px;color:var(--brand)}
.board .cap{font-size:11.5px;color:var(--muted);margin-bottom:8px}
.board ol{margin:0;padding:0;list-style:none;counter-reset:r}
.board li{counter-increment:r;display:flex;align-items:center;gap:9px;padding:7px 0;
  border-top:1px solid var(--line)}
.board li:first-child{border-top:0}
.board li::before{content:counter(r);width:22px;height:22px;flex:0 0 22px;border-radius:7px;
  background:var(--surface2);display:grid;place-items:center;font-size:11px;font-weight:800;
  color:var(--muted)}
.board li:nth-child(1)::before{background:linear-gradient(135deg,#ffd75a,#f0a52c);color:#4a2f00}
.board li:nth-child(2)::before{background:linear-gradient(135deg,#e2e8de,#c3cfbd);color:#2b3a2f}
.board li:nth-child(3)::before{background:linear-gradient(135deg,#e0b183,#bb8146);color:#3a2200}
.board li .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--ink);font-weight:600}
.board li .nm small{display:block;color:var(--muted);font-size:11px;font-weight:400;
  font-family:var(--mono)}
.board li .val{font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums}
.board .foot{margin-top:10px;padding-top:9px;border-top:1px solid var(--line);
  text-align:right;font-size:12.5px;font-weight:700}

/* ---- device cards ------------------------------------------------------ */
.devs{display:grid;gap:14px;grid-template-columns:repeat(auto-fill,minmax(268px,1fr))}
.dev{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:14px 15px;
  background:var(--paper);box-shadow:var(--shadow);transition:transform .18s,box-shadow .18s;
  position:relative;color:inherit}
.dev:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(18,48,31,.10);text-decoration:none}
.dev .top{display:flex;align-items:center;gap:8px;margin-bottom:9px}
.dev .top b{font-family:var(--mono);font-size:13.5px;color:var(--brand)}
.dev .st{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:0 0 8px}
.dev .st.off{background:var(--line2);animation:none}
.dev .meta{margin-left:auto;font-size:11px;color:var(--muted)}
.bt{display:flex;align-items:center;gap:9px;padding:7px 0;border-top:1px solid var(--line)}
.bt:first-of-type{border-top:0}
.bt .nm{width:72px;font-size:12px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap}
.mini{position:relative;height:8px;border-radius:5px;background:var(--surface2);flex:1;overflow:hidden}
.mini>i{display:block;height:100%;border-radius:5px;transition:width .8s}
.bt .pc{width:42px;text-align:right;font-weight:800;font-size:13px;font-variant-numeric:tabular-nums}
.bt .w{width:58px;text-align:right;font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums}
.warnpin{position:absolute;top:11px;right:12px;font-size:13px}

/* ---- risk strip -------------------------------------------------------- */
.risks{display:flex;gap:10px;overflow-x:auto;padding:2px 2px 8px}
.risk{flex:0 0 auto;border-radius:12px;padding:9px 13px;border:1px solid var(--line);
  background:var(--paper);font-size:13px;white-space:nowrap;color:var(--ink)}
.risk:hover{text-decoration:none;background:var(--mint)}
.risk.crit{border-color:#f0b6ab;background:#fdecea}
.risk.warn{border-color:#eccf94;background:#fdf4e3}
.risk .lv{font-weight:800}
.risk.crit .lv{color:#8e2c1c} .risk.warn .lv{color:#7a5205}
.risk b{font-family:var(--mono);color:var(--brand)}

/* ---- misc -------------------------------------------------------------- */
.empty{color:var(--muted);text-align:center;padding:34px;background:var(--surface);
  border:1px dashed var(--line2);border-radius:var(--radius)}
.foot{text-align:center;color:var(--muted);font-size:12.5px;margin:34px 0 16px;
  padding-top:18px;border-top:1px solid var(--line)}
.foot a{margin:0 7px}
.steps{counter-reset:s;list-style:none;padding:0;margin:0}
.steps>li{counter-increment:s;position:relative;padding:0 0 18px 42px;
  border-left:2px solid var(--line);margin-left:13px}
.steps>li:last-child{border-left-color:transparent;padding-bottom:0}
.steps>li::before{content:counter(s);position:absolute;left:-14px;top:-2px;width:26px;height:26px;
  border-radius:50%;background:var(--brand);color:var(--accent);display:grid;place-items:center;
  font-size:12px;font-weight:800}
.steps>li h3{margin:0 0 4px}
.kv{display:flex;justify-content:space-between;gap:12px;padding:7px 0;
  border-bottom:1px dashed var(--line);font-size:14px}
.kv:last-child{border-bottom:0}
.kv b{color:var(--brand);text-align:right}
.faq{border:1px solid var(--line);border-radius:12px;background:var(--paper);margin-bottom:8px}
.faq summary{padding:12px 15px;cursor:pointer;font-weight:700;color:var(--brand);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"+";display:inline-block;width:18px;font-weight:800;color:var(--brand2)}
.faq[open] summary::before{content:"−"}
.faq .body{padding:0 15px 14px;color:var(--ink)}
pre{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px;
  overflow-x:auto;font-family:var(--mono);font-size:12.5px;line-height:1.6;margin:10px 0}
.bar{height:10px;border-radius:6px;background:var(--surface2);overflow:hidden;margin:10px 0}
.bar>i{display:block;height:100%;width:0;background:var(--brand2);transition:width .3s}

/* ---- mobile ------------------------------------------------------------ */
@media (max-width:820px){
  .burger{display:block}
  .menu{display:none;position:absolute;top:100%;left:0;right:0;flex-direction:column;
    align-items:stretch;background:rgba(255,255,255,.97);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);padding:10px 14px 16px;gap:4px;box-shadow:var(--shadow)}
  .menu.open{display:flex}
  .menu a{padding:13px 15px;border-radius:11px;font-size:16px}
  .menu a[aria-current="page"]::after{display:none}
}
@media (max-width:640px){
  .wrap{padding:14px}
  h1{font-size:24px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stat b{font-size:22px}
  .boards{grid-template-columns:1fr}
  .devs{grid-template-columns:1fr}
  .risks{flex-direction:column;overflow-x:visible}
  .risk{white-space:normal;width:100%}
}