/* Jumboshack product — shared design system. Linked by every product page so the
   whole app has ONE look: tokens, page shell, headings, buttons, inputs, nav bar. */
:root{
  --bg:#fff;
  --bg-card:#fafafa;
  --card-bg:#fafafa;          /* alias — some views use --card-bg */
  --border:#e5e5e5;
  --accent:#0b6;
  --accent-ink:#0a5;
  --text:#1a1a1a;
  --text-muted:#888;
  --row-alt:#f4f4f4;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --maxw:960px;
  --diag-max-width:900px;
}
*{box-sizing:border-box}
body{font-family:var(--font);max-width:var(--maxw);margin:0 auto;padding:1.6rem 1rem 4rem;color:var(--text);background:var(--bg)}
h1,h2,h3{color:#222}
h2{font-size:1.05rem;margin:1.4rem 0 .5rem;padding-bottom:.3rem;border-bottom:1px solid #eee}
a{color:var(--accent-ink);text-decoration:none}
a:hover{text-decoration:underline}
code{background:var(--row-alt);padding:.15rem .35rem;border-radius:4px;word-break:break-all;font-family:var(--font-mono);font-size:.85em}

/* page header (title + one-line description) — consistent across sections */
.page-title{font-size:1.2rem;font-weight:700;margin:0 0 .15rem;color:#222}
.page-sub{color:var(--text-muted);font-size:.85rem;margin:0 0 1.1rem;max-width:70ch}
.muted{color:var(--text-muted);font-size:.85rem}

/* form controls */
button{font-family:var(--font);padding:.5rem .9rem;border:0;border-radius:6px;background:var(--accent);color:#fff;font-size:.9rem;cursor:pointer}
button:hover{filter:brightness(1.05)}
button.secondary{background:#eee;color:#444}
button.danger{background:#c44}
input,select{font-family:var(--font);padding:.5rem;border:1px solid #ccc;border-radius:6px;font-size:.9rem}

/* ── shared top navigation (markup injected by nav.js) ── */
.appbar{display:flex;align-items:center;gap:.6rem 1.2rem;flex-wrap:wrap;
  border-bottom:1px solid var(--border);padding:0 0 .6rem;margin:0 0 1.4rem}
.appbar .brand{font-size:1.15rem;font-weight:700;color:var(--accent-ink);white-space:nowrap;order:0}
.appbar nav{display:flex;gap:.2rem;flex-wrap:wrap;flex:1;order:1}
.appbar .tab{padding:.45rem .8rem;border-radius:8px;color:#555;text-decoration:none;
  font-size:.9rem;font-weight:500;white-space:nowrap;transition:background .12s,color .12s}
.appbar .tab:hover{background:#f0f0f0;text-decoration:none}
.appbar .tab.active{background:var(--accent);color:#fff}
.appbar .tab.up-chip{color:var(--accent-ink);font-weight:700}
.appbar .tab.up-chip:hover{background:#e6f4ee}
.appbar .account-chip{order:2;display:flex;align-items:center;gap:.4rem;padding:.25rem .55rem .25rem .3rem;
  border-radius:20px;color:#444;text-decoration:none;font-size:.85rem;max-width:220px}
.appbar .account-chip:hover{background:#f0f0f0;text-decoration:none}
.appbar .account-chip.active{background:#e6f4ee;color:var(--accent-ink)}
.appbar .account-chip svg{border-radius:50%;display:block;flex-shrink:0}
.appbar .account-email{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.appbar .logout{order:3;padding:.45rem .8rem;border:0;border-radius:6px;background:#eee;color:#444;cursor:pointer;font-size:.85rem}

/* ── All Sensors (shared: dashboard collapsible + history day view) ── */
.sensors-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.2rem;margin-top:.6rem}
.sensors-unit{font-family:var(--font-mono);font-size:.95rem;letter-spacing:.05em;color:var(--accent);margin:0 0 .6rem;padding-bottom:.3rem;border-bottom:1px solid var(--border)}
.sensors-meta{color:var(--text-muted);font-size:.72rem;font-weight:400;letter-spacing:0}
.sensor-group{margin-bottom:.5rem;border:1px solid var(--border);border-radius:6px;overflow:hidden}
.sensor-group>summary{cursor:pointer;padding:.4rem .7rem;background:var(--bg-card);font-family:var(--font-mono);font-size:.76rem;font-weight:600;color:var(--text);display:flex;align-items:center;gap:.5rem;list-style:none}
.sensor-group>summary::-webkit-details-marker{display:none}
.sensor-group>summary::before{content:'▸';color:var(--accent);font-size:.7rem}
.sensor-group[open]>summary::before{content:'▾'}
.sensor-count{margin-left:auto;color:var(--text-muted);font-weight:400;font-size:.68rem}
.sensor-rows{padding:.2rem 0}
.sensor-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem;padding:.18rem .7rem;font-family:var(--font-mono);font-size:.76rem;border-top:1px solid color-mix(in srgb,var(--border) 45%,transparent)}
.sensor-row:first-child{border-top:none}
.sensor-label{color:var(--text-muted)}
.sensor-value{color:var(--text);font-weight:600;white-space:nowrap}
.fam-note-line{font-size:.72rem;color:var(--text-muted);margin:.2rem 0 1rem;max-width:720px}

/* phone: brand + avatar + logout on the top row; tabs become a full-width,
   horizontally-scrollable strip below so they never clump together. */
@media(max-width:640px){
  .appbar{gap:.5rem .6rem}
  .appbar .account-chip{order:1;margin-left:auto;padding:.2rem}
  .appbar .account-email{display:none}
  .appbar .logout{order:2}
  .appbar nav{order:3;flex-basis:100%;flex-wrap:nowrap;overflow-x:auto;gap:.35rem;
    padding-bottom:.15rem;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
  .appbar nav .tab{flex:0 0 auto}
}

/* ── dark mode (toggled via body.theme-dark from nav.js) ── */
body.theme-dark{
  --bg:#14181b; --bg-card:#1b2126; --card-bg:#1b2126; --border:#2b333a;
  --text:#e7ece9; --text-muted:#9aa7a0; --row-alt:#232a30; --accent-ink:#57d493;
}
body.theme-dark .appbar{background:#11161a}
body.theme-dark .appbar .tab{color:#c3ccc6}
body.theme-dark .appbar .tab:hover{background:#232a30}
body.theme-dark .appbar .account-chip:hover{background:#232a30}
body.theme-dark .appbar .tab.up-chip:hover{background:#1e2a24}
body.theme-dark code{background:#232a30}
.appbar .themetoggle{order:3;background:transparent;border:1px solid var(--border);border-radius:8px;
  cursor:pointer;font-size:1rem;line-height:1;padding:.35rem .5rem}
.appbar .themetoggle:hover{background:var(--row-alt)}