:root{
  --bg:#0a0a0d;
  --card:#131318;
  --card2:#1a1a20;
  --border:#26262e;
  --text:#f0f0f2;
  --muted:#8a8a95;
  --accent:#ff5c35;
  --accent2:#ff8659;
  --good:#3ddc84;
  --bad:#ff4d5e;
  --radius:12px;
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"Hanken Grotesk",-apple-system,BlinkMacSystemFont,sans-serif;
  padding-bottom:80px;
  min-height:100vh;
}

header.topbar{
  position:sticky;top:0;z-index:20;
  background:var(--bg);
  border-bottom:1px solid var(--border);
  padding:16px 18px 14px;
  display:flex;align-items:center;justify-content:space-between;
}
header.topbar h1{
  font-size:19px;margin:0;font-weight:700;letter-spacing:-0.02em;
  display:flex;align-items:center;gap:8px;
}
header.topbar h1 .dot{color:var(--accent);}
header.topbar .streak{
  font-size:13px;color:var(--muted);
  display:flex;align-items:center;gap:5px;
}
header.topbar .streak b{color:var(--accent2);font-weight:700;}

main{max-width:640px;margin:0 auto;padding:16px;}

.tabs{
  position:fixed;bottom:0;left:0;right:0;
  background:var(--card);
  border-top:1px solid var(--border);
  display:flex;z-index:20;
}
.tab-btn{
  flex:1;background:none;border:none;color:var(--muted);
  padding:10px 4px 8px;font-size:11px;font-family:inherit;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  cursor:pointer;
}
.tab-btn .ic{font-size:19px;}
.tab-btn.active{color:var(--accent);}

.view{display:none;}
.view.active{display:block;animation:fadein .15s ease;}
@keyframes fadein{from{opacity:0;transform:translateY(4px);}to{opacity:1;transform:none;}}

.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  margin-bottom:14px;
}
.card h2{font-size:14px;margin:0 0 12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em;}

.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;}
.stat-box{
  background:var(--card2);border:1px solid var(--border);border-radius:10px;
  padding:12px 10px;text-align:center;
}
.stat-box .n{font-size:20px;font-weight:700;display:block;}
.stat-box .l{font-size:11px;color:var(--muted);margin-top:2px;display:block;}

label{font-size:13px;color:var(--muted);display:block;margin:10px 0 6px;}
input,select,textarea{
  width:100%;background:var(--card2);border:1px solid var(--border);
  color:var(--text);border-radius:8px;padding:11px 12px;font-size:15px;
  font-family:inherit;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent);}
textarea{resize:vertical;min-height:60px;}

.row{display:flex;gap:10px;}
.row>*{flex:1;}

button.btn{
  background:var(--accent);color:#fff;border:none;border-radius:8px;
  padding:12px 16px;font-size:15px;font-weight:600;font-family:inherit;
  cursor:pointer;width:100%;
}
button.btn:active{background:var(--accent2);}
button.btn.secondary{background:var(--card2);color:var(--text);border:1px solid var(--border);}
button.btn.ghost{background:none;color:var(--muted);border:1px dashed var(--border);}
button.btn.small{width:auto;padding:8px 12px;font-size:13px;}
button.btn.danger{background:none;color:var(--bad);border:1px solid var(--bad);}

.exercise-block{
  border:1px solid var(--border);border-radius:10px;padding:12px;margin-bottom:10px;
  background:var(--card2);
}
.exercise-block .ex-head{
  display:flex;justify-content:space-between;align-items:center;margin-bottom:8px;
}
.exercise-block .ex-head .name{font-weight:600;font-size:15px;}
.exercise-block .ex-head .cat{font-size:11px;color:var(--muted);}
.exercise-block .remove-ex{background:none;border:none;color:var(--muted);font-size:18px;cursor:pointer;padding:2px 6px;}

.set-row{display:grid;grid-template-columns:28px 1fr 1fr 32px;gap:8px;align-items:center;margin-bottom:6px;}
.set-row .set-n{color:var(--muted);font-size:13px;text-align:center;}
.set-row input{padding:8px 10px;font-size:14px;}
.set-row .rm-set{background:none;border:none;color:var(--muted);font-size:16px;cursor:pointer;}
.set-labels{display:grid;grid-template-columns:28px 1fr 1fr 32px;gap:8px;margin-bottom:6px;}
.set-labels span{font-size:11px;color:var(--muted);text-align:center;}

.add-set-btn{
  background:none;border:1px dashed var(--border);color:var(--muted);
  border-radius:8px;padding:8px;width:100%;font-size:13px;cursor:pointer;font-family:inherit;
}

.ex-picker{display:flex;gap:8px;margin-bottom:10px;}
.ex-picker select{flex:1;}

.session-item{
  border:1px solid var(--border);border-radius:10px;padding:12px 14px;margin-bottom:10px;
  cursor:pointer;
}
.session-item .top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:6px;}
.session-item .date{font-weight:600;font-size:14px;}
.session-item .meta{font-size:12px;color:var(--muted);}
.session-item .exlist{font-size:13px;color:var(--muted);}
.session-item .pill{
  display:inline-block;background:var(--card2);border:1px solid var(--border);
  border-radius:100px;padding:2px 8px;font-size:11px;margin-right:6px;margin-top:6px;
}

.empty-state{text-align:center;padding:40px 20px;color:var(--muted);}
.empty-state .big{font-size:38px;margin-bottom:10px;}

select#progressExercise{margin-bottom:14px;}

.pr-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;}
.pr-box{background:var(--card2);border:1px solid var(--border);border-radius:10px;padding:12px;}
.pr-box .n{font-size:18px;font-weight:700;color:var(--accent2);}
.pr-box .l{font-size:11px;color:var(--muted);margin-top:2px;}

canvas{max-width:100%;}

.chip-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px;}
.chip{
  background:var(--card2);border:1px solid var(--border);border-radius:100px;
  padding:6px 12px;font-size:13px;display:flex;align-items:center;gap:6px;
}
.chip button{background:none;border:none;color:var(--muted);cursor:pointer;font-size:14px;padding:0;}

.modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:50;
  display:flex;align-items:flex-end;justify-content:center;
}
.modal{
  background:var(--card);border:1px solid var(--border);border-radius:16px 16px 0 0;
  padding:20px;width:100%;max-width:640px;max-height:85vh;overflow-y:auto;
  box-shadow:0 -8px 30px rgba(0,0,0,.4);
}
.modal h3{margin:0 0 14px;font-size:17px;}
.modal .close-x{position:absolute;}

.toast{
  position:fixed;bottom:90px;left:50%;transform:translateX(-50%);
  background:var(--good);color:#04220f;padding:10px 18px;border-radius:100px;
  font-size:14px;font-weight:600;z-index:60;opacity:0;pointer-events:none;
  transition:opacity .2s, transform .2s;
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(-6px);}

::-webkit-scrollbar{width:6px;height:6px;}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px;}