:root{
  --bg:#0f172a; --card:#1e293b; --card2:#243449; --line:#334155;
  --text:#e2e8f0; --muted:#94a3b8; --blue:#38bdf8; --green:#4ade80;
  --red:#f87171; --amber:#fbbf24; --violet:#a78bfa;
}
*{margin:0;padding:0;box-sizing:border-box}
body.busy{cursor:progress}
body.busy button{opacity:.65;pointer-events:none}
body{background:var(--bg);color:var(--text);font-family:'Segoe UI',system-ui,-apple-system,sans-serif;min-height:100vh}
.hidden{display:none!important}
.muted{color:var(--muted)} .muted-sm{color:var(--muted);font-size:12px;text-transform:none;letter-spacing:0}
.err{color:var(--red);font-size:14px;margin-top:10px;min-height:18px}

.center-view{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px}
.login-card{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:38px 34px;width:100%;max-width:400px;text-align:center}
.login-card h1{font-size:28px;letter-spacing:1px;margin-bottom:6px}
.login-card h1 span, header h1 span{color:var(--blue)}
.login-card .tag{color:var(--muted);font-size:14px;margin-bottom:24px}
.login-card input{width:100%;margin-bottom:12px}
.login-card .muted{font-size:13px;margin-bottom:18px}

header{display:flex;align-items:center;gap:12px;padding:14px 20px;border-bottom:1px solid var(--line);background:var(--card)}
header h1{font-size:19px;cursor:pointer;letter-spacing:.5px}
.hright{margin-left:auto;display:flex;align-items:center;gap:12px;font-size:14px}

nav{display:flex;gap:6px;padding:12px 20px 0;max-width:1200px;margin:0 auto;flex-wrap:wrap}
nav button{background:var(--card);border:1px solid var(--line);color:var(--muted);border-radius:10px;padding:10px 18px;font-size:14px;cursor:pointer;font-weight:600}
nav button.on{background:var(--blue);color:#08263a;border-color:var(--blue)}

main{max-width:1200px;margin:0 auto;padding:16px 20px 60px}

select,input,textarea,button{background:var(--card2);color:var(--text);border:1px solid var(--line);border-radius:10px;padding:10px 12px;font-size:15px;font-family:inherit}
select:focus,input:focus{outline:2px solid var(--blue)}
button{cursor:pointer}
.btn{background:var(--blue);color:#08263a;font-weight:700;border:none}
.btn:hover{filter:brightness(1.1)}
.btn.gray{background:var(--card);color:var(--text);border:1px solid var(--line);font-weight:600}
.btn.red{background:#7f1d1d;color:#fecaca;border:none}
.btn.green{background:#14532d;color:#bbf7d0;border:none}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.full{width:100%}
.btn.big{padding:15px;font-size:16px;margin-top:14px}

.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;margin-bottom:14px}
.panel h3{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.6px;margin-bottom:14px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:860px){.grid{grid-template-columns:1fr}}
.chartbox{position:relative;height:260px;margin-top:10px}

.frm{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
.frm .full{grid-column:1/-1}
.fld label{display:block;font-size:11px;color:var(--muted);margin-bottom:5px;text-transform:uppercase;letter-spacing:.4px}
.fld input,.fld select{width:100%}
.hm{display:flex;align-items:center;gap:6px}
.hm input{width:64px;text-align:center}
.hm span{color:var(--muted);font-size:13px}

.seg{display:flex;gap:6px;flex-wrap:wrap}
.seg button{flex:1;min-width:76px;padding:11px 6px;font-size:14px;font-weight:600;color:var(--muted)}
.seg button.on{background:var(--blue);color:#08263a;border-color:var(--blue)}
.seg.ten button{min-width:34px;padding:10px 2px;flex:1 1 8%}
.rpewrap{display:flex;align-items:center;gap:12px}
.rpewrap input[type=range]{flex:1;padding:0;accent-color:var(--blue)}
.rpeval{font-size:24px;font-weight:700;color:var(--blue);min-width:36px;text-align:center}
.intensity{margin-top:10px;padding:10px 14px;border-radius:10px;font-weight:600;font-size:14px}
.intensity.low{background:#3a1a1a;color:var(--red)}
.intensity.moderate{background:#3a2f14;color:var(--amber)}
.intensity.high{background:#14351f;color:var(--green)}

.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-bottom:14px}
.kpi{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px}
.kpi .lbl{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:5px}
.kpi .val{font-size:26px;font-weight:700}
.kpi .sub{font-size:12px;color:var(--muted);margin-top:3px}
.kpi .val.good{color:var(--green)} .kpi .val.bad{color:var(--red)} .kpi .val.warn{color:var(--amber)}

.alert{border-radius:12px;padding:12px 16px;margin-bottom:10px;font-size:14px;font-weight:600;border:1px solid}
.alert.warn{background:#3a2f14;color:var(--amber);border-color:#6b5615}
.alert.bad{background:#3a1a1a;color:var(--red);border-color:#7f1d1d}
.alert.good{background:#14351f;color:var(--green);border-color:#14532d}
.alert.info{background:#12233b;color:var(--blue);border-color:#1e4060}

table{width:100%;border-collapse:collapse;font-size:13px}
th{color:var(--muted);text-align:left;padding:8px 6px;border-bottom:1px solid var(--line);font-weight:600}
td{padding:8px 6px;border-bottom:1px solid #2a3a52;vertical-align:middle}
tr:last-child td{border-bottom:none}
.tblwrap{overflow-x:auto}
.pill{border-radius:99px;padding:2px 10px;font-size:12px;font-weight:600;white-space:nowrap}
.pill.h{background:#14351f;color:var(--green)} .pill.t{background:#3a1a1a;color:var(--red)} .pill.r{background:#3a2f14;color:var(--amber)}
.pill.b{background:#12233b;color:var(--blue)}
.post-cat{font-size:20px;font-weight:800;margin-bottom:14px}

.exblock{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:14px;margin-bottom:12px}
.exhead{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.exhead b{font-size:16px}
.exblock table input{width:74px;padding:7px;text-align:center;font-size:14px}
/* Hevy-style logger */
.wsummary{display:flex;gap:34px;background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:12px 20px;margin-bottom:14px}
.wsummary .lbl{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.wsummary .val{font-size:18px;font-weight:700;color:var(--blue)}
.exname{color:var(--blue);font-size:17px;font-weight:700}
.exnote{width:100%;background:none;border:none;border-bottom:1px dashed var(--line);border-radius:0;padding:6px 2px;font-size:13px;color:var(--muted);margin-bottom:8px}
.exnote:focus{outline:none;border-bottom-color:var(--blue);color:var(--text)}
.settbl th{font-size:11px}
.settbl input{background:var(--card);border:none}
.setrow td{transition:background .15s}
.setrow.done td{background:#14351f}
.setrow.done input{background:#0d2a17;color:var(--green)}
.prev{color:var(--muted);font-size:12px;white-space:nowrap}
.chk{width:36px;height:32px;border-radius:8px;background:var(--card);border:1px solid var(--line);color:var(--muted);font-weight:700;cursor:pointer;padding:0}
.chk.on{background:var(--green);color:#06230f;border-color:var(--green)}
.medal{font-size:16px}
.addex{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:8px}
.addex input{flex:1;min-width:180px}
.del{background:none;border:none;color:var(--red);font-size:15px;cursor:pointer;padding:2px 8px}

.goal{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px;font-size:14px}
.goal b{font-size:15px}
.goal .pred{margin-top:6px;color:var(--muted);font-size:13px;line-height:1.5}
.goal .eta{color:var(--green);font-weight:700}

.cmp{display:grid;grid-template-columns:1fr 1fr;gap:10px;font-size:14px}
.cmp .col{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:12px}
.cmp .col h4{font-size:12px;color:var(--muted);text-transform:uppercase;margin-bottom:8px}
.cmp .row{display:flex;justify-content:space-between;padding:4px 0;border-bottom:1px solid #2a3a52}
.cmp .row:last-child{border-bottom:none}
.delta{font-weight:700}
.delta.up{color:var(--green)} .delta.down{color:var(--red)}

.sessitem{background:var(--card2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin-bottom:10px;font-size:14px}
.sessitem .shead{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:6px}
.sessitem .shead b{font-size:15px}
.sessitem .exline{color:var(--muted);padding:2px 0}

/* Greeting splash + header greeting */
#greet{position:fixed;inset:0;background:var(--bg);z-index:200;display:flex;align-items:center;justify-content:center;transition:opacity .6s ease}
#greet.bye{opacity:0;pointer-events:none}
.greet-text{font-size:clamp(36px,9vw,68px);font-weight:800;text-align:center;line-height:1.15;animation:greetin .7s ease both}
.greet-text span{display:block;color:var(--blue);animation:greetin .7s .25s ease both}
@keyframes greetin{from{opacity:0;transform:translateY(28px)}to{opacity:1;transform:none}}
.ui-greet{font-size:15px;color:var(--muted);margin:4px 0 14px}
.ui-greet b{color:var(--text)}
.ui-greet:empty{display:none}

/* Eye-catching warning cards */
.bigalert{display:flex;gap:14px;border-radius:16px;padding:16px 18px;margin-bottom:10px;border:1px solid;align-items:flex-start}
.bigalert.warn{background:linear-gradient(135deg,#3a2f14,#241d0c);border-color:#6b5615}
.bigalert.bad{background:linear-gradient(135deg,#3a1a1a,#250e0e);border-color:#7f1d1d;animation:bpulse 2.2s infinite}
@keyframes bpulse{0%,100%{box-shadow:0 0 0 0 rgba(248,113,113,.25)}50%{box-shadow:0 0 0 7px rgba(248,113,113,.03)}}
.bicon{font-size:34px;line-height:1.1}
.bbody{flex:1;min-width:0}
.btitle{font-size:16px;font-weight:700}
.bigalert.warn .btitle{color:var(--amber)}
.bigalert.bad .btitle{color:var(--red)}
.btitle b{font-size:18px}
.bsub{color:var(--muted);font-size:13px;margin-top:3px;line-height:1.5}
.minibar{position:relative;height:9px;background:#0b1120;border-radius:99px;margin-top:12px}
.minibar .fill{height:100%;border-radius:99px;transition:width .4s}
.fill.warnf{background:var(--amber)}
.fill.overf{background:linear-gradient(90deg,var(--amber),var(--red))}
.fill.underf{background:var(--amber)}
.minibar .tline{position:absolute;top:-4px;width:3px;height:17px;background:#e2e8f0;border-radius:2px}
.fill.okf{background:var(--green)}
.mbtxt{font-size:11.5px;margin-top:5px;font-weight:600}
.mbtxt.overf{color:var(--red)} .mbtxt.underf{color:var(--amber)} .mbtxt.okf{color:var(--green)}
.bstats{display:flex;gap:22px;align-items:center;margin-top:12px}
.bnum{font-size:26px;font-weight:800}
.bnum.arrow{color:var(--red);font-size:17px}
.bnum.muted2{color:var(--muted)}
.blab{font-size:11px;color:var(--muted);margin-top:2px}

/* Nutrition panel (Cal AI style) */
.nhead{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-bottom:6px}
.nval{font-size:26px;font-weight:800}
.nsub{color:var(--muted);font-size:13px}
#nDelta{font-weight:700;font-size:14px;margin-left:6px}
#nDelta.up{color:var(--red)} #nDelta.down{color:var(--green)}
.wktabs{display:flex;gap:4px;background:var(--card2);border:1px solid var(--line);border-radius:99px;padding:4px}
.wktabs button{background:none;border:none;color:var(--muted);border-radius:99px;padding:7px 14px;font-size:13px;font-weight:600;cursor:pointer}
.wktabs button.on{background:var(--text);color:#0f172a}

/* Modal */
.modal{position:fixed;inset:0;background:#000a;display:flex;align-items:center;justify-content:center;z-index:90;padding:20px}
.modal-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px;width:100%;max-width:380px}
.modal-card h3{font-size:15px;margin-bottom:16px;text-transform:uppercase;letter-spacing:.5px;color:var(--muted)}
.modal-card input{width:100%;margin-bottom:10px}

/* Post-workout "Good job!" screen */
.postwrap{max-width:460px;margin:0 auto;text-align:center;padding-top:20px}
.post-emoji{font-size:52px;animation:pop .5s ease}
@keyframes pop{0%{transform:scale(0)}70%{transform:scale(1.25)}100%{transform:scale(1)}}
.post-title{font-size:30px;font-weight:800;margin:6px 0 4px}
.post-sub{color:var(--muted);font-size:15px;margin-bottom:18px}
.postcard{background:linear-gradient(160deg,#131c33,#0d1526);border:1px solid var(--line);border-radius:22px;padding:26px 22px;margin-bottom:18px;text-align:left}
.post-stats{display:grid;grid-template-columns:1fr 1fr;gap:16px;text-align:center;margin-bottom:18px}
.post-stats .pval{font-size:24px;font-weight:800}
.post-stats .plbl{font-size:12px;color:var(--muted);margin-top:2px}
.post-exlist{border-top:1px solid var(--line);padding-top:14px;margin-bottom:6px}
.post-ex{padding:5px 0;font-size:15px}
.post-ex .xcount{color:var(--blue);font-weight:800;margin-right:6px}
.post-pr{background:#3a2f14;color:var(--amber);border-radius:12px;padding:10px 14px;font-weight:700;margin:12px 0;text-align:center}
.post-cmp{text-align:center;border-top:1px solid var(--line);padding-top:16px;margin-top:10px;font-size:15px;line-height:1.6;color:var(--muted)}
.post-cmp b{color:var(--text)}
.cmp-emoji{font-size:56px;margin-bottom:6px}
.post-left{text-align:center;color:var(--muted);font-size:13px;margin-top:14px}

#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--green);color:#06230f;font-weight:700;padding:12px 26px;border-radius:99px;opacity:0;transition:.3s;pointer-events:none;z-index:99;box-shadow:0 6px 24px #0008}
#toast.show{opacity:1}

@media(max-width:700px){
  main{padding:12px 12px 80px}
  header{padding:12px 14px}
  nav{padding:10px 12px 0}
  nav button{flex:1;padding:10px 6px;font-size:13px}
  .cmp{grid-template-columns:1fr 1fr}
  /* workout logger: compact so the set table fits the card */
  .exblock{padding:10px}
  .exblock table input{width:52px;padding:6px 3px;font-size:13px}
  .settbl th{font-size:10px;padding:6px 3px}
  .settbl td{padding:6px 3px}
  .prev{font-size:11px}
  .chk{width:30px;height:28px;font-size:13px}
  .del{font-size:13px;padding:2px 4px}
  .wsummary{gap:20px;padding:10px 14px}
  .wsummary .val{font-size:16px}
}