:root{
  color-scheme:dark;
  --bg:#071019;
  --bg-soft:#0a1622;
  --panel:rgba(16,29,43,.86);
  --panel-solid:#101d2b;
  --panel-2:#15283a;
  --panel-3:#0d1a27;
  --text:#f2f7fb;
  --muted:#9cb0c1;
  --faint:#6f8394;
  --accent:#5eead4;
  --accent-strong:#2dd4bf;
  --accent-soft:rgba(94,234,212,.13);
  --blue:#7dd3fc;
  --good:#86efac;
  --danger:#fda4af;
  --warn:#fde68a;
  --border:rgba(148,163,184,.16);
  --border-strong:rgba(148,163,184,.28);
  --shadow:0 18px 50px rgba(0,0,0,.28);
  --radius:18px;
}

*{box-sizing:border-box}
html{background:var(--bg)}
body{
  margin:0;
  min-height:100vh;
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 10% -10%,rgba(45,212,191,.14),transparent 34rem),
    radial-gradient(circle at 100% 15%,rgba(125,211,252,.10),transparent 28rem),
    linear-gradient(180deg,#071019 0%,#09131e 55%,#071019 100%);
  color:var(--text);
  letter-spacing:.002em;
}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
button:disabled{cursor:not-allowed;opacity:.5}

.app{max-width:1020px;margin:0 auto;padding:20px 18px 104px}
header{
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  margin:2px 0 22px;padding:6px 2px 0;
}
header h1{font-size:1.5rem;letter-spacing:-.035em}
.header-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.install-app{padding:7px 10px;font-size:.8rem;color:var(--accent)}
header h1::before{
  content:"";display:inline-block;width:.62em;height:.62em;margin-right:.5em;border-radius:5px;
  background:linear-gradient(135deg,var(--accent),var(--blue));box-shadow:0 0 24px rgba(94,234,212,.34);
  transform:rotate(8deg);
}
h1,h2,h3{margin:0;color:var(--text)}
h2{font-size:1.08rem;letter-spacing:-.015em;margin-bottom:13px}
h3{font-size:1rem;margin-bottom:8px}
p{line-height:1.55}
.muted{color:var(--muted)}

.card{
  position:relative;
  background:linear-gradient(180deg,rgba(18,34,49,.92),rgba(13,27,40,.92));
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:18px;
  margin-bottom:15px;
  box-shadow:0 1px 0 rgba(255,255,255,.025) inset,0 14px 35px rgba(0,0,0,.12);
}
.card::after{
  content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(135deg,rgba(255,255,255,.025),transparent 35%);
}
.setup-card{margin:0;background:linear-gradient(180deg,#0d1a27,#0b1722)}

.grid{display:grid;gap:12px}
.grid2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid3{grid-template-columns:repeat(3,minmax(0,1fr))}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.between{display:flex;justify-content:space-between;align-items:center;gap:12px}

label{display:grid;gap:7px;color:var(--muted);font-size:.9rem}
input,select,textarea{
  width:100%;background:rgba(5,15,24,.74);color:var(--text);
  border:1px solid var(--border-strong);border-radius:12px;padding:11px 12px;outline:none;
  transition:border-color .18s,box-shadow .18s,background .18s;
}
input:focus,select:focus,textarea:focus{
  border-color:rgba(94,234,212,.58);box-shadow:0 0 0 3px rgba(94,234,212,.09);background:#081521;
}
input[type=checkbox]{width:18px;height:18px;accent-color:var(--accent);vertical-align:middle}

.btn{
  position:relative;border:1px solid var(--border-strong);background:linear-gradient(180deg,#172b3d,#122335);
  color:var(--text);padding:10px 14px;border-radius:12px;font-weight:650;
  box-shadow:0 1px 0 rgba(255,255,255,.04) inset;
  transition:transform .12s,filter .12s,border-color .12s,background .12s;
}
.btn:hover{filter:brightness(1.08);border-color:rgba(148,163,184,.42)}
.btn:active{transform:translateY(1px) scale(.99)}
.btn.primary{background:linear-gradient(135deg,var(--accent),#67e8f9);color:#03221f;border-color:transparent;font-weight:800}
.btn.good{background:linear-gradient(135deg,#86efac,#a7f3d0);color:#062819;border-color:transparent;font-weight:800}
.btn.danger{background:linear-gradient(180deg,#3b1823,#2c131c);color:#ffd8de;border-color:#663440}
.btn.ghost{background:transparent;box-shadow:none;color:var(--muted)}
.btn.big{font-size:1.05rem;padding:14px 18px;border-radius:14px}

.pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;
  background:var(--accent-soft);border:1px solid rgba(94,234,212,.16);font-size:.8rem;color:#bffaf1;
}
#dbStatus::before{content:"●";font-size:.65rem;color:var(--accent)}

nav{
  position:fixed;left:0;right:0;bottom:0;z-index:20;
  background:rgba(5,13,21,.82);border-top:1px solid var(--border);backdrop-filter:blur(20px) saturate(145%);
  padding-bottom:env(safe-area-inset-bottom);
}
nav .inner{max-width:1020px;margin:auto;display:grid;grid-template-columns:repeat(4,1fr);padding:6px 8px}
nav button{background:transparent;border:0;color:var(--faint);padding:11px 6px;border-radius:11px;font-weight:650;transition:.15s}
nav button:hover{background:rgba(255,255,255,.035);color:var(--muted)}
nav button.active{color:var(--accent);background:rgba(94,234,212,.075)}

.page{display:none}.page.active{display:block}
.exercise{
  display:grid;grid-template-columns:42px 1fr auto;gap:11px;align-items:center;
  padding:13px 2px;border-top:1px solid var(--border);
}
.exercise:first-child{border-top:0}
.exercise strong{font-size:.98rem}
.exercise .muted{font-size:.84rem;margin-top:3px}
.order{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:var(--accent-soft);border:1px solid rgba(94,234,212,.12);color:var(--accent);font-weight:850}
.weight{font-weight:850;font-size:1.12rem;letter-spacing:-.015em}
.exercise-actions{text-align:right}

.today-time-summary{margin:8px 0 14px;padding:9px 11px;background:rgba(125,211,252,.055);border-radius:10px;border:1px solid rgba(125,211,252,.09)}
.exercise-title{margin-top:10px}
.timerBox{text-align:center;padding:26px 12px 18px}
.timerPhase{font-size:1.55rem;font-weight:900;letter-spacing:.055em;text-transform:uppercase;color:var(--accent)}
.timerClock{
  --progress:0deg;position:relative;width:min(72vw,310px);aspect-ratio:1;margin:22px auto 17px;padding:10px;border-radius:50%;
  background:conic-gradient(var(--accent) var(--progress),rgba(125,211,252,.09) 0);
  box-shadow:0 0 0 1px rgba(125,211,252,.12),0 22px 55px rgba(0,0,0,.3),0 0 35px rgba(94,234,212,.08);
  transition:background .25s linear;
}
.timerClock::before{
  content:"";position:absolute;inset:3px;border-radius:50%;border:1px solid rgba(255,255,255,.08);
  background:repeating-conic-gradient(from -1deg,rgba(255,255,255,.24) 0 1deg,transparent 1deg 30deg);
  mask:radial-gradient(circle,transparent 73%,#000 74%);
}
.timerClockFace{
  position:relative;width:100%;height:100%;display:grid;place-items:center;border-radius:50%;overflow:hidden;
  background:radial-gradient(circle at 50% 38%,#152b3e,#081520 72%);border:1px solid rgba(255,255,255,.06);
}
.timerCount{font-size:clamp(4.7rem,16vw,7rem);line-height:1;font-variant-numeric:tabular-nums;font-weight:950;letter-spacing:-.07em;transform:translateY(-5px);text-shadow:0 0 28px rgba(125,211,252,.14)}
.repsRemaining{
  position:absolute;right:38px;bottom:38px;display:grid;place-items:center;gap:1px;min-width:76px;padding:7px 9px;border-radius:13px;
  background:rgba(7,16,25,.84);border:1px solid rgba(94,234,212,.2);color:var(--muted);font-size:.68rem;white-space:nowrap;
}
.repsRemaining strong{font-size:1.65rem;line-height:1;color:var(--accent);font-variant-numeric:tabular-nums}
.timer-actions{justify-content:center}

.hidden{display:none!important}
.choice{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
.choice button{display:grid;place-items:center;gap:5px;padding:14px 8px}
.choice-icon{font-size:1.55rem;line-height:1;font-weight:900}

.table-scroll{overflow:auto;border:1px solid var(--border);border-radius:13px}
table{width:100%;border-collapse:collapse;font-size:.88rem;min-width:600px;background:rgba(5,15,24,.28)}
th,td{text-align:left;padding:10px 11px;border-bottom:1px solid var(--border);white-space:nowrap}
th{color:var(--muted);font-size:.78rem;text-transform:uppercase;letter-spacing:.055em;background:rgba(255,255,255,.025)}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:rgba(255,255,255,.025)}
.history-list{display:grid;gap:9px}
.history-workout{overflow:hidden;border:1px solid var(--border);border-radius:14px;background:rgba(5,15,24,.3)}
.history-workout summary{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px;cursor:pointer;list-style:none}
.history-workout summary::-webkit-details-marker{display:none}
.history-workout summary::after{content:"⌄";color:var(--accent);font-size:1.25rem;transition:transform .18s}
.history-workout[open] summary::after{transform:rotate(180deg)}
.history-workout summary>span:first-child{display:grid;gap:2px;margin-right:auto}
.history-workout summary small{color:var(--muted)}
.history-volume{font-weight:800;color:var(--accent)}
.history-workout .table-scroll{border-width:1px 0 0;border-radius:0}
.history-workout table{min-width:520px}

canvas{width:100%;height:240px;background:rgba(5,15,24,.52);border-radius:13px;border:1px solid var(--border)}
.chart-summary{margin-top:10px}

.toast{
  position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:50;display:none;
  background:#10202e;border:1px solid var(--border-strong);padding:11px 15px;border-radius:12px;box-shadow:var(--shadow);
}

dialog{
  border:1px solid var(--border-strong);border-radius:20px;
  background:linear-gradient(180deg,#122233,#0e1b29);color:var(--text);
  max-width:660px;width:calc(100% - 28px);padding:20px;box-shadow:var(--shadow);
}
dialog::backdrop{background:rgba(2,8,13,.78);backdrop-filter:blur(4px)}
.dialog-actions{margin-top:16px;justify-content:flex-end}
.completion-mark{width:58px;height:58px;margin:0 auto 14px;display:grid;place-items:center;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-size:1.8rem;font-weight:900;border:1px solid rgba(94,234,212,.25)}
#workoutCompleteDialog{text-align:center;max-width:430px}
.completion-volume{font-size:clamp(2.5rem,12vw,4rem);font-weight:950;letter-spacing:-.055em;color:var(--accent);margin:4px 0}
.completion-close{width:100%;margin-top:8px}

#setupGroupList{display:flex;gap:8px;flex-wrap:wrap}
#setupGroupList .pill{background:rgba(255,255,255,.035);color:var(--muted);border-color:var(--border)}
.chip-delete{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:1rem;line-height:1;padding:0 0 0 4px}
.chip-delete:hover{color:var(--danger)}
.setup-group-input{flex:1;min-width:220px}
.file-btn{display:inline-block;color:var(--text)}
.hidden-file-input{display:none}
.spacer{height:12px}
.mt-10{margin-top:10px}

body.workout-active .app>header,
body.workout-active #page-train>.card:first-child,
body.workout-active nav{display:none}
body.workout-active{overflow:auto}
body.workout-active .app{max-width:none;padding:0}
body.workout-active #activeWorkoutCard{
  min-height:100dvh;margin:0;border:0;border-radius:0;
  padding:max(14px,env(safe-area-inset-top)) max(14px,env(safe-area-inset-right)) max(14px,env(safe-area-inset-bottom)) max(14px,env(safe-area-inset-left));
  display:grid;grid-template-rows:auto auto minmax(0,1fr);
}
body.workout-active .timerBox{min-height:0;display:grid;grid-template-rows:auto minmax(0,1fr) auto auto;align-items:center}

@media(display-mode:standalone){.install-app{display:none}}

@media(max-width:700px){
  .app{padding:14px 12px 98px}
  header{align-items:flex-start}
  header h1{font-size:1.32rem}
  .grid2,.grid3{grid-template-columns:1fr}
  .card{padding:15px;border-radius:16px}
  .between{align-items:flex-start}
  .exercise{grid-template-columns:38px 1fr auto;gap:9px}
  .weight{font-size:1rem}
  .choice{gap:6px}
  .choice button{font-size:.84rem;padding:13px 5px}
  body.workout-active #activeWorkoutCard{padding:max(12px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(12px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left))}
  #activeWorkoutCard>.between{align-items:center}
  #activeWorkoutCard>.between .pill{padding:4px 8px;font-size:.72rem}
  #activeWorkoutCard>.between .btn{padding:8px 11px}
  .exercise-title{margin-top:5px;font-size:1rem}
  .active-workout-info{grid-template-columns:minmax(0,1.2fr) minmax(115px,.8fr);gap:8px;margin-top:8px}
  .active-workout-info>div:first-child>.muted:first-child{font-size:.74rem}
  .active-workout-info .weight{font-size:1.18rem}
  #currentExerciseMeta{font-size:.72rem;line-height:1.3;margin:5px 0 0}
  #currentExerciseNote{display:none}
  .setup-card{padding:9px!important;font-size:.8rem;display:flex;flex-direction:column;justify-content:center}
  .setup-card .muted{font-size:.7rem}
  .timerBox{padding:10px 0 2px}
  .timerPhase{font-size:1.15rem}
  .timerClock{width:min(72vw,38dvh,320px);margin:8px auto;padding:8px;align-self:center}
  .timerCount{font-size:clamp(4.3rem,19vw,6rem)}
  .repsRemaining{right:clamp(24px,9%,38px);bottom:clamp(26px,10%,40px);min-width:70px;padding:6px 8px;font-size:.64rem}
  .repsRemaining strong{font-size:1.6rem}
  #timerSub{font-size:.76rem;line-height:1.3;margin:8px 0}
  .timer-actions{gap:7px;flex-wrap:nowrap}
  .timer-actions .btn{padding:10px 11px;font-size:.84rem}
  .history-workout summary{padding:12px;display:grid;grid-template-columns:minmax(0,1fr) auto auto}
  .history-workout summary::after{grid-column:3;grid-row:1}
  .history-workout summary small{font-size:.68rem}
  .history-volume{font-size:.78rem;text-align:right}
  .history-workout table{min-width:0;table-layout:fixed;font-size:.76rem}
  .history-workout th,.history-workout td{padding:8px 5px;white-space:normal;overflow-wrap:anywhere}
  .history-workout th:nth-child(1){width:31%}
  .history-workout th:nth-child(2){width:22%}
  .history-workout th:nth-child(3){width:27%}
  .history-workout th:nth-child(4){width:20%}
  nav .inner{padding-inline:4px}
  nav button{font-size:.82rem}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto!important;transition:none!important;animation:none!important}
}