:root{
  --bg:#030912;--bg2:#06101e;--card:rgba(8,20,38,.88);--card2:#0b1b31;
  --border:rgba(122,176,255,.12);--text:#eef5ff;--muted:#8499b3;
  --accent:#54b7ff;--accent2:#2369d8;--cyan:#55e0c2;--warn:#f7c96d;--danger:#ff7c91;
  --purple:#9d8cff;--shadow:0 20px 70px rgba(0,0,0,.34)
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--text);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 14% -8%,rgba(35,105,216,.26),transparent 31%),
    radial-gradient(circle at 88% 5%,rgba(84,183,255,.12),transparent 25%),
    linear-gradient(180deg,#030914,#02060c 85%);
  min-height:100vh
}
body:before{
  content:"";position:fixed;inset:0;pointer-events:none;opacity:.18;
  background-image:linear-gradient(rgba(104,161,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(104,161,255,.04) 1px,transparent 1px);
  background-size:36px 36px
}
a{color:inherit}
.shell{display:grid;grid-template-columns:245px 1fr;min-height:100vh}
.sidebar{
  position:sticky;top:0;height:100vh;padding:24px 18px;border-right:1px solid var(--border);
  background:rgba(3,9,18,.78);backdrop-filter:blur(22px)
}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:20px;margin-bottom:34px}
.logo{width:39px;height:39px;border-radius:12px;background:linear-gradient(135deg,#68c3ff,#2352b9);display:grid;place-items:center;color:#031326;box-shadow:0 11px 30px rgba(84,183,255,.22)}
.nav{display:grid;gap:7px}
.nav a{color:#7e94b0;text-decoration:none;padding:11px 12px;border-radius:12px;display:flex;align-items:center;gap:10px;font-size:14px}
.nav a:hover,.nav a.active{background:rgba(84,183,255,.09);color:#e7f4ff}
.nav .dot{width:7px;height:7px;border-radius:50%;background:#28425f}
.nav a.active .dot{background:var(--accent);box-shadow:0 0 14px rgba(84,183,255,.75)}
.nav-separator{height:1px;background:var(--border);margin:12px 7px}
.garmin-nav{border:1px solid rgba(84,183,255,.10)!important;background:rgba(84,183,255,.035)}
.side-bottom{position:absolute;bottom:22px;left:18px;right:18px}
.readonly{padding:12px;border:1px solid rgba(84,183,255,.15);border-radius:14px;background:rgba(84,183,255,.045);font-size:12px;color:#879cb7}
.readonly strong{display:block;color:#bde4ff;margin-bottom:3px}
.main{padding:26px 30px 54px;max-width:1600px;width:100%;margin:0 auto}
.topbar{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px}
.eyebrow{color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:.14em;font-weight:750}
h1{font-size:31px;line-height:1.15;margin:5px 0 0;letter-spacing:-.035em}
h2{letter-spacing:-.015em}
.top-actions{display:flex;align-items:center;gap:10px}
.sync,.avatar,.garmin-button{
  border:1px solid var(--border);background:rgba(255,255,255,.03);color:var(--text);
  height:42px;border-radius:13px
}
.sync{padding:0 14px}.avatar{width:42px;display:grid;place-items:center;font-weight:800}
.garmin-button{display:flex;align-items:center;text-decoration:none;padding:0 14px;background:rgba(84,183,255,.08);color:#ccecff;font-size:13px;font-weight:700}
.status{display:flex;align-items:center;gap:8px;color:#8298b3;font-size:13px}
.status i{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 18px rgba(84,183,255,.85)}
.kpis{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:14px}
.card{
  border:1px solid var(--border);border-radius:20px;
  background:linear-gradient(180deg,rgba(10,25,47,.92),rgba(5,14,28,.88));
  box-shadow:var(--shadow);backdrop-filter:blur(18px)
}
.kpi{padding:17px;min-height:106px;position:relative;overflow:hidden}
.kpi:after{content:"";position:absolute;width:90px;height:90px;border-radius:50%;right:-38px;top:-42px;background:rgba(84,183,255,.07)}
.kpi .label{font-size:12px;color:var(--muted);margin-bottom:10px}
.kpi .value{font-size:28px;font-weight:800;letter-spacing:-.03em}
.kpi .delta{font-size:11px;color:#6f85a1;margin-top:5px}
.good{color:var(--cyan)}.warn{color:var(--warn)}.danger{color:var(--danger)}
.grid-main{display:grid;grid-template-columns:1.5fr .9fr;gap:14px;margin-bottom:14px}
.chart-card{padding:18px;min-height:360px}
.card-head{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;margin-bottom:12px}
.card-head h2{font-size:16px;margin:0}.card-head p{font-size:12px;color:var(--muted);margin:4px 0 0}
.pill{font-size:11px;border:1px solid var(--border);color:#91a8c5;padding:6px 9px;border-radius:999px}
canvas{max-height:100%}
.recovery-wrap{padding:18px;display:grid;grid-template-columns:130px 1fr;gap:18px;align-items:center}
.ring{width:120px;height:120px;border-radius:50%;background:conic-gradient(var(--accent) 0deg 284deg,rgba(255,255,255,.06) 284deg);display:grid;place-items:center;position:relative}
.ring:after{content:"";position:absolute;width:91px;height:91px;border-radius:50%;background:#071426}
.ring strong,.ring span{z-index:1;position:absolute}.ring strong{font-size:30px;top:34px}.ring span{font-size:11px;color:var(--muted);top:69px}
.recovery-stats{display:grid;gap:11px}.stat-row{display:flex;justify-content:space-between;font-size:13px;padding-bottom:9px;border-bottom:1px solid rgba(255,255,255,.055)}
.stat-row span{color:var(--muted)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}
.table-card{padding:18px}.table-wrap{overflow:auto}
table{width:100%;border-collapse:collapse;font-size:13px;min-width:720px}
th{text-align:left;color:#6f86a2;font-size:11px;text-transform:uppercase;letter-spacing:.06em;padding:11px 10px}
td{padding:13px 10px;border-top:1px solid rgba(255,255,255,.055)}
td strong{font-size:13px}.secondary{font-size:11px;color:var(--muted);margin-top:3px}
.activity-link{text-decoration:none;color:#eaf4ff}.activity-link:hover{color:var(--accent)}
.tag{font-size:10px;border-radius:999px;padding:4px 7px;background:rgba(84,183,255,.10);color:#a9dcff}
.open-analysis{font-size:11px;text-decoration:none;color:#9fd8ff;border-bottom:1px solid rgba(84,183,255,.25)}
.ai-card{padding:18px}
.ai-hero{padding:16px;border-radius:17px;background:linear-gradient(135deg,rgba(84,183,255,.12),rgba(35,82,185,.10));border:1px solid rgba(84,183,255,.14);margin-bottom:14px}
.ai-hero .title{font-size:17px;font-weight:750}.ai-hero p{font-size:13px;color:#96aac1;line-height:1.55;margin-bottom:0}
.rec{padding:14px 0;border-bottom:1px solid rgba(255,255,255,.055)}.rec:last-child{border-bottom:0}
.rec-head{display:flex;align-items:center;gap:9px;margin-bottom:7px}
.rec-icon{width:28px;height:28px;border-radius:9px;background:rgba(84,183,255,.10);display:grid;place-items:center;color:var(--accent);font-size:13px}
.rec h3{font-size:13px;margin:0}.rec p{font-size:12px;color:#93a8c0;line-height:1.55;margin:0}
.why{margin-top:7px!important;color:#6d84a1!important}
.chat{display:flex;gap:8px;margin-top:14px}
.chat input{flex:1;background:#040d1a;border:1px solid var(--border);border-radius:13px;color:var(--text);padding:11px 12px;outline:none}
.chat input:focus{border-color:rgba(84,183,255,.42)}
.chat button{border:0;border-radius:13px;padding:0 15px;background:linear-gradient(135deg,#6bc5ff,#438cff);color:#041526;font-weight:850;cursor:pointer}
#coachAnswer{font-size:12px;color:#a8bbcf;line-height:1.6;margin-top:11px;display:none}
.footer-note{margin-top:16px;font-size:11px;color:#506784;text-align:center}

/* Standalone / Garmin */
.standalone{max-width:1280px;margin:0 auto;padding:30px 24px 60px}
.backlink{display:inline-block;text-decoration:none;color:#8ba7c7;font-size:13px;margin-bottom:22px}
.backlink:hover{color:var(--accent)}
.connect-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
.connect-card,.setup-card{padding:28px}
.lead{color:#91a7c0;line-height:1.7;max-width:760px}
.connection-state{display:flex;gap:13px;align-items:center;padding:16px;border-radius:16px;background:rgba(84,183,255,.07);border:1px solid rgba(84,183,255,.15);margin:24px 0}
.connection-state.is-connected{background:rgba(85,224,194,.07);border-color:rgba(85,224,194,.18)}
.connection-mark{width:43px;height:43px;border-radius:13px;background:linear-gradient(135deg,#63bdff,#315fcc);display:grid;place-items:center;font-weight:900;color:#041225}
.connection-state strong{display:block}.connection-state span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
.primary-btn{height:48px;border-radius:14px;background:linear-gradient(135deg,#68c3ff,#3b7cf0);display:flex;align-items:center;justify-content:center;text-decoration:none;color:#031326;font-weight:850;border:0;width:100%;font-size:14px}
.primary-btn.disabled{opacity:.45}
.security-row{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;margin-top:18px}
.security-row div{border:1px solid var(--border);border-radius:13px;padding:12px}.security-row b{display:block;color:var(--cyan);font-size:11px}.security-row span{font-size:11px;color:var(--muted)}
.setup-card h2{font-size:22px}.setup-steps{list-style:none;padding:0;margin:20px 0;display:grid;gap:14px}
.setup-steps li{display:grid;grid-template-columns:28px 1fr;gap:10px;color:#9eb0c6;font-size:13px;line-height:1.55}
.setup-steps li>span{width:26px;height:26px;border-radius:8px;background:rgba(84,183,255,.10);color:#a8dcff;display:grid;place-items:center;font-weight:800;font-size:11px}
code,.codebox{font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
code{color:#9ed8ff}
.codebox{background:#030914;border:1px solid var(--border);border-radius:14px;padding:15px;color:#86a4c6;font-size:11px;line-height:1.8;overflow:auto}
.codebox i{color:#55e0c2}.tiny{font-size:11px;color:#627996;line-height:1.55}

/* Activity details */
.activity-page{max-width:1450px}
.detail-top{display:flex;justify-content:space-between;align-items:center}
.garmin-mini{text-decoration:none;font-size:11px;padding:7px 10px;border:1px solid var(--border);border-radius:999px;color:#9fc8eb}
.activity-hero{padding:26px;display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:14px}
.activity-hero h1{font-size:36px}
.analysis-score{width:112px;height:112px;border-radius:24px;background:linear-gradient(145deg,rgba(84,183,255,.16),rgba(35,82,185,.12));border:1px solid rgba(84,183,255,.18);display:grid;place-items:center;align-content:center}
.analysis-score span{font-size:9px;color:#7892b0;letter-spacing:.12em}.analysis-score strong{font-size:38px;color:#dff3ff;line-height:1}.analysis-score small{color:#7590ad}
.activity-kpis{display:grid;grid-template-columns:repeat(6,1fr);gap:12px;margin-bottom:14px}
.detail-kpi{padding:16px}.detail-kpi span,.detail-kpi small{display:block;color:var(--muted);font-size:11px}.detail-kpi strong{display:block;font-size:23px;margin:7px 0 4px}
.detail-chart{padding:20px;margin-bottom:14px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.analysis-panel{padding:22px;margin-bottom:14px}.analysis-panel h2{font-size:20px;line-height:1.4}
.insight-list{display:grid;gap:10px;margin-top:18px}.insight{display:grid;grid-template-columns:28px 1fr;gap:10px;padding:11px;border-radius:13px;background:rgba(84,183,255,.045);border:1px solid rgba(84,183,255,.08)}
.insight span{width:26px;height:26px;border-radius:8px;background:rgba(84,183,255,.10);display:grid;place-items:center;color:var(--accent);font-size:12px}.insight p{margin:2px 0;color:#9eb1c8;font-size:12px;line-height:1.6}

@media(max-width:1250px){.kpis{grid-template-columns:repeat(3,1fr)}.activity-kpis{grid-template-columns:repeat(3,1fr)}}
@media(max-width:980px){.shell{grid-template-columns:1fr}.sidebar{display:none}.grid-main,.split,.connect-grid,.detail-grid{grid-template-columns:1fr}.main{padding:20px}.kpis{grid-template-columns:repeat(2,1fr)}}
@media(max-width:650px){.activity-kpis{grid-template-columns:repeat(2,1fr)}.activity-hero{align-items:flex-start;flex-direction:column}.analysis-score{width:100%;height:84px}.security-row{grid-template-columns:1fr}.top-actions .sync{display:none}}
@media(max-width:560px){.kpis{grid-template-columns:1fr}.topbar{align-items:flex-start}.status{display:none}.recovery-wrap{grid-template-columns:1fr}.ring{margin:auto}.garmin-button{font-size:0}.garmin-button:after{content:'Garmin';font-size:12px}}