:root{
  --bg:#08101d;--panel:#111c2e;--panel2:#16243a;--line:#253751;--text:#f4f7fb;
  --muted:#9dafc6;--accent:#6be585;--accent2:#4fc3f7;--danger:#ff6b6b;--shadow:0 12px 34px rgba(0,0,0,.24);
}
*{box-sizing:border-box} html{background:var(--bg)} body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:var(--bg);color:var(--text)}
button,input,textarea{font:inherit} button{cursor:pointer}
.app-shell{max-width:760px;margin:0 auto;min-height:100dvh;padding-bottom:90px}
.topbar{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:18px 18px 12px;background:rgba(8,16,29,.9);backdrop-filter:blur(18px);border-bottom:1px solid rgba(255,255,255,.04)}
.topbar h1{font-size:23px;margin:1px 0 0}.eyebrow{font-size:10px;letter-spacing:.14em;font-weight:800;color:var(--accent2)}
.icon-btn{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:var(--panel);color:var(--text);font-size:23px}
main{padding:12px 14px 24px}.view{display:none}.view.active{display:block}
.card{background:linear-gradient(180deg,var(--panel2),var(--panel));border:1px solid var(--line);border-radius:20px;padding:17px;box-shadow:var(--shadow)}
.hero{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;padding:22px}.hero h2{margin:5px 0 6px;font-size:27px}.muted{color:var(--muted)}
.primary,.secondary,.danger,.file-label{border:none;border-radius:14px;padding:13px 16px;font-weight:800;text-align:center;text-decoration:none}
.primary{background:var(--accent);color:#07130b}.secondary,.file-label{background:#20314a;color:var(--text);border:1px solid var(--line)}.danger{background:#3a1e27;color:#ffb4b4;border:1px solid #63303a}.full{display:block;width:100%}.link-button{margin-top:18px}
.stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:12px 0}.stat{text-align:center;padding:15px 8px}.stat span{display:block;font-size:25px;font-weight:900}.stat small{display:block;margin-top:4px;color:var(--muted);font-size:11px}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:24px 4px 11px}.section-title h2,.section-title h3{margin:0}.top-gap{margin-top:8px}
.pill,.tag{display:inline-flex;border-radius:999px;padding:5px 9px;background:#20314a;color:#bcd0e8;font-size:10px;font-weight:800;letter-spacing:.06em}
.stack{display:grid;gap:10px}
.day-card{display:flex;justify-content:space-between;gap:14px;align-items:center}.day-card h3{margin:3px 0}.day-card p{margin:3px 0;font-size:13px}.day-card.done{outline:1px solid rgba(107,229,133,.45)}.done-badge{color:var(--accent);font-weight:900}
.info-card{display:flex;gap:13px;margin-top:12px}.info-icon{width:36px;height:36px;border-radius:11px;background:rgba(79,195,247,.12);display:grid;place-items:center;color:var(--accent2);font-weight:900}.info-card p{margin:4px 0 0;font-size:13px}
.bottom-nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);z-index:30;width:min(760px,100%);display:grid;grid-template-columns:repeat(4,1fr);padding:8px max(8px,env(safe-area-inset-right)) calc(8px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left));background:rgba(10,18,31,.96);border-top:1px solid var(--line);backdrop-filter:blur(20px)}
.bottom-nav button{border:0;background:transparent;color:var(--muted);padding:6px;font-size:11px;font-weight:700}.bottom-nav button span{display:block;font-size:20px;margin-bottom:2px}.bottom-nav button.active{color:var(--accent)}
.workout-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}.text-btn{background:transparent;border:0;color:var(--accent2);padding:8px 2px;font-weight:800}.timer{font-variant-numeric:tabular-nums;color:var(--muted);font-weight:800}
.workout-title-card{margin-bottom:10px}.workout-title-card h2{margin:4px 0}.workout-title-card p{margin-bottom:0}
.warmup-card,.cardio-card,.recovery-card{margin-bottom:10px}.warmup-card h3,.cardio-card h3,.recovery-card h3{margin:8px 0 4px}
.exercise-card{padding:15px}.exercise-top{display:flex;justify-content:space-between;gap:12px}.exercise-name{border:0;background:transparent;color:var(--text);padding:0;text-align:left;font-size:17px;font-weight:900}.exercise-name small{display:block;margin-top:4px;color:var(--accent2);font-weight:700;font-size:11px}.prescription{text-align:right;min-width:72px}.prescription strong{display:block;font-size:17px}.prescription small{color:var(--muted)}
.weight-row{display:grid;grid-template-columns:1fr auto;gap:10px;align-items:end;margin:13px 0 10px}.weight-row label{font-size:11px;color:var(--muted)}.weight-row input{margin-top:5px}.suggestion{font-size:11px;color:var(--accent);padding-bottom:11px;text-align:right}
.set-row{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.set-field label{font-size:9px;color:var(--muted);display:block;margin-bottom:3px}.set-field.hidden{visibility:hidden}
input,textarea{width:100%;border-radius:12px;border:1px solid var(--line);background:#0b1525;color:var(--text);padding:11px 10px;outline:none}input:focus,textarea:focus{border-color:var(--accent2)}textarea{resize:vertical}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:13px}.field-row label,.notes-label,label{font-size:12px;color:var(--muted)}.field-row input,label input{margin-top:5px}.notes-label{display:block;margin:13px 2px}.notes-label textarea{margin-top:6px}
.segmented{display:grid;grid-template-columns:repeat(3,1fr);background:#0c1625;border:1px solid var(--line);border-radius:14px;padding:4px;margin:0 0 13px}.segmented button{border:0;border-radius:10px;background:transparent;color:var(--muted);padding:10px;font-weight:800}.segmented button.active{background:#20314a;color:var(--text)}
.plan-week{margin-bottom:10px}.plan-week h3{margin:0 0 4px}.plan-week .mini-ex{display:flex;justify-content:space-between;padding:8px 0;border-top:1px solid rgba(255,255,255,.06);font-size:13px}.plan-week .mini-ex:first-of-type{margin-top:10px}.plan-week .mini-ex span:last-child{color:var(--muted)}
.history-item{padding:11px 0;border-top:1px solid rgba(255,255,255,.07)}.history-item:first-child{border-top:0}.history-item strong{display:block}.history-item small{color:var(--muted)}
.weight-summary{display:grid;gap:1px}.weight-line{display:flex;justify-content:space-between;padding:10px 0;border-top:1px solid rgba(255,255,255,.07)}.weight-line:first-child{border-top:0}.weight-line span:last-child{font-weight:900;color:var(--accent)}
.button-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0}.file-label{display:block}.file-label input{display:none}.smallprint{font-size:12px}.smallprint p{margin-bottom:0}
dialog{width:min(650px,calc(100% - 24px));max-height:88dvh;overflow:auto;border:1px solid var(--line);border-radius:22px;padding:22px;background:#101b2d;color:var(--text);box-shadow:0 25px 80px rgba(0,0,0,.55)}dialog::backdrop{background:rgba(0,0,0,.72);backdrop-filter:blur(4px)}.dialog-close{float:right;border:0;background:#20314a;color:var(--text);width:35px;height:35px;border-radius:12px;font-size:22px}.equipment-box{background:#0b1525;border:1px solid var(--line);border-radius:14px;padding:12px;margin:15px 0}.equipment-box small{display:block;color:var(--muted);font-size:9px;letter-spacing:.1em}.equipment-box strong{display:block;margin-top:3px;color:var(--accent2)}dialog li{margin:8px 0;line-height:1.4}
@media(max-width:430px){.hero{align-items:stretch;flex-direction:column}.hero .primary{width:100%}.stats-grid{gap:7px}.card{border-radius:17px}.set-row{gap:5px}.field-row{grid-template-columns:1fr 1fr}}

.auth-gate{position:fixed;inset:0;z-index:100;background:radial-gradient(circle at 50% 20%,#162c48,#08101d 55%);display:grid;place-items:center;padding:20px}.auth-gate.hidden{display:none}.auth-card{width:min(430px,100%);padding:28px}.auth-card h1{font-size:36px;margin:5px 0 8px}.brand-mark{width:62px;height:62px;border-radius:19px;background:var(--accent);color:#07130b;display:grid;place-items:center;font-weight:1000;margin-bottom:20px}.auth-form{display:grid;gap:13px;margin-top:20px}.setup-note{padding:12px;border-radius:13px;background:rgba(79,195,247,.10);border:1px solid rgba(79,195,247,.25);color:#c7eafb;font-size:12px;line-height:1.45}.auth-error{color:#ffaaaa;min-height:18px;font-size:12px}.top-actions{display:flex;align-items:center;gap:8px}.user-chip{max-width:115px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;background:#182740;border:1px solid var(--line);border-radius:999px;padding:8px 10px;color:#cfe3f7;font-size:11px;font-weight:800}.top-button-gap{margin-top:8px}.soft-rule{border:0;border-top:1px solid rgba(255,255,255,.08);margin:18px 0}.user-list-item{display:flex;justify-content:space-between;align-items:center;padding:9px 0;border-top:1px solid rgba(255,255,255,.07)}.user-list-item:first-child{border-top:0}.user-list-item small{color:var(--muted)}.form-message{font-size:12px;color:var(--accent);min-height:16px}#adminUsersCard label{display:block;margin:9px 0}


/* v2.1 mobile login/layout fixes */
html,body{width:100%;max-width:100%;overflow-x:hidden}
body.auth-open{overflow:hidden}
.auth-gate{
  position:fixed;inset:0;z-index:100;
  width:100%;max-width:100vw;
  min-height:100vh;min-height:100svh;
  overflow-y:auto;overflow-x:hidden;
  display:block;
  padding:max(16px,env(safe-area-inset-top)) max(12px,env(safe-area-inset-right)) max(20px,env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));
  -webkit-overflow-scrolling:touch;
}
.auth-card{
  width:100%;max-width:430px;min-width:0;
  margin:clamp(12px,7vh,70px) auto 24px;
  padding:clamp(18px,5vw,28px);
  overflow:hidden;
}
.auth-form,.auth-form label,.password-field{min-width:0;width:100%}
.auth-form label{display:block}
.auth-form input{
  display:block;width:100%;max-width:100%;min-width:0;
  font-size:16px; /* prevents iPhone zoom and keyboard layout jumps */
  line-height:1.3;
}
.password-field{position:relative;margin-top:5px}
.password-field input{margin-top:0;padding-right:62px}
.show-password{
  position:absolute;right:6px;top:50%;transform:translateY(-50%);
  min-width:48px;height:34px;padding:0 8px;
  border:0;border-radius:9px;background:#20314a;color:#d9e8f7;
  font-size:12px;font-weight:800;
}
.app-shell,main,.card{min-width:0;max-width:100%}
.exercise-top>*{min-width:0}.exercise-name{overflow-wrap:anywhere}
@media(max-width:430px){
  main{padding-left:10px;padding-right:10px}
  .auth-card h1{font-size:31px}
  .brand-mark{width:54px;height:54px;border-radius:16px;margin-bottom:15px}
  .auth-form{gap:11px;margin-top:15px}
  .field-row{grid-template-columns:1fr}
  .weight-row{grid-template-columns:1fr}
  .suggestion{text-align:left;padding:0}
}
@media(max-width:340px){
  .auth-gate{padding-left:8px;padding-right:8px}
  .auth-card{padding:16px}
  .stats-grid{grid-template-columns:1fr}
}


/* ================================================================
   v3 guided workout mode
   ================================================================ */
body.workout-active{overflow:hidden}
body.workout-active .topbar,
body.workout-active .bottom-nav{display:none}
body.workout-active .app-shell{max-width:none;padding-bottom:0;height:100dvh}
body.workout-active main{padding:0;height:100dvh}
.workout-guided-view.active{display:flex!important;flex-direction:column;height:100dvh;min-height:0;background:var(--bg)}
.guided-timer-header{flex:0 0 auto;position:relative;background:linear-gradient(180deg,#13243b,#0b1525);border-bottom:1px solid var(--line);padding:14px 18px 12px;text-align:center;box-shadow:0 8px 28px rgba(0,0,0,.22)}
.guided-exit{position:absolute;left:14px;top:16px;width:42px;height:42px;border:1px solid var(--line);border-radius:14px;background:#18283f;color:var(--text);font-size:26px;line-height:1}
.total-time-block span{display:block;font-size:10px;letter-spacing:.16em;color:var(--accent2);font-weight:900}
.total-time-block strong{display:block;font-variant-numeric:tabular-nums;font-size:clamp(38px,10vw,58px);letter-spacing:.02em;line-height:1.08;margin-top:3px}
.activity-progress{display:flex;gap:10px;align-items:center;justify-content:center;margin-top:8px;color:var(--muted);font-size:11px;font-weight:800}
.progress-track{height:5px;width:min(240px,58vw);background:#263750;border-radius:999px;overflow:hidden}
.progress-track>div{height:100%;width:0;background:var(--accent);border-radius:999px;transition:width .25s ease}
.guided-session-meta{flex:0 0 auto;display:flex;justify-content:space-between;align-items:center;gap:10px;padding:9px 16px;background:#091322;border-bottom:1px solid rgba(255,255,255,.05);font-size:12px}
.guided-session-meta strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.activity-stage{flex:1 1 auto;min-height:0;overflow-y:auto;padding:12px 14px calc(118px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch}
.activity-page{max-width:760px;margin:0 auto;display:grid;gap:11px;animation:activityIn .18s ease}
@keyframes activityIn{from{opacity:.45;transform:translateX(10px)}to{opacity:1;transform:none}}
.activity-title-row{display:flex;justify-content:space-between;align-items:flex-start;gap:12px}
.activity-title-row h2{margin:3px 0 0;font-size:clamp(25px,7vw,36px);line-height:1.05}
.activity-timer-chip{flex:0 0 auto;text-align:right;background:#0b1525;border:1px solid var(--line);border-radius:16px;padding:9px 11px}
.activity-timer-chip span{display:block;color:var(--muted);font-size:9px;font-weight:800;letter-spacing:.08em}
.activity-timer-chip strong{display:block;font-variant-numeric:tabular-nums;font-size:20px;margin-top:1px}
.equipment-visual{width:100%;aspect-ratio:800/440;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#0b1525;display:block}
.exercise-main-card{padding:14px}
.machine-label{font-size:11px;line-height:1.35;color:var(--accent2);font-weight:800;margin:6px 0 0}
.exercise-prescription-big{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:11px 0;padding:11px 12px;background:#0b1525;border:1px solid var(--line);border-radius:15px}
.exercise-prescription-big strong{font-size:24px}.exercise-prescription-big span{font-size:11px;color:var(--muted);text-align:right}
.compact-weight-row{display:grid;grid-template-columns:minmax(120px,.8fr) 1.3fr;gap:10px;align-items:end}
.compact-weight-row .suggestion{padding:0;text-align:left;line-height:1.35}
.guided-set-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px;margin-top:10px}
.guided-set-grid .set-field input{text-align:center;font-weight:900;font-size:17px}
.technique-card h3{margin:0 0 8px}.technique-card ol{margin:0;padding-left:21px;color:#dbe6f2;font-size:13px;line-height:1.4}.technique-card li{margin:6px 0}
.watch-for{border-left:3px solid #ffb65c;padding-left:10px;margin-top:10px;color:var(--muted);font-size:12px}
.video-inline{margin-top:11px}
.timed-card{text-align:center;padding:18px}.timed-card h2{font-size:32px;margin:6px 0}.timed-card p{line-height:1.45}
.timed-options{display:grid;grid-template-columns:1fr 1fr;gap:10px;text-align:left;margin:14px 0}
.timed-options.single{grid-template-columns:1fr}
.timed-options select{width:100%;margin-top:5px;border-radius:12px;border:1px solid var(--line);background:#0b1525;color:var(--text);padding:12px}
.activity-countdown-button{width:100%;min-height:112px;border:0;border-radius:22px;background:var(--accent);color:#07130b;display:flex;flex-direction:column;align-items:center;justify-content:center;font-weight:900;box-shadow:0 16px 34px rgba(0,0,0,.24);margin-top:10px}
.activity-countdown-button .count-main{font-size:clamp(38px,11vw,58px);font-variant-numeric:tabular-nums;line-height:1}
.activity-countdown-button .count-sub{font-size:12px;margin-top:7px;letter-spacing:.06em}
.activity-countdown-button.running{background:#4fc3f7;color:#071521}
.activity-countdown-button.finished{background:#20314a;color:var(--accent);border:1px solid var(--line)}
.activity-countdown-button:disabled{opacity:.55}
.recovery-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.recovery-grid label{display:block}
.recovery-grid input{margin-top:5px}.session-notes-guided textarea{margin-top:6px}
.guided-bottom-bar{position:fixed;left:0;right:0;bottom:0;z-index:40;display:grid;grid-template-columns:.65fr 1.35fr;gap:9px;padding:10px max(12px,env(safe-area-inset-right)) calc(10px + env(safe-area-inset-bottom)) max(12px,env(safe-area-inset-left));background:rgba(8,16,29,.96);border-top:1px solid var(--line);backdrop-filter:blur(18px)}
.guided-back-btn,.guided-next-btn{min-height:54px;font-size:16px}
.guided-next-btn:disabled{background:#263345;color:#73839a;cursor:not-allowed;box-shadow:none}
.finish-summary{display:grid;gap:10px}.finish-summary .summary-number{font-size:34px;font-weight:900;color:var(--accent)}
.small-help{font-size:11px;color:var(--muted);line-height:1.35}
@media(min-width:700px){
  .exercise-layout-wide{display:grid;grid-template-columns:.9fr 1.1fr;gap:11px;align-items:start}
  .equipment-visual{position:sticky;top:0}
}
@media(max-width:430px){
  .guided-timer-header{padding-left:58px;padding-right:12px}
  .guided-session-meta{padding-left:12px;padding-right:12px}
  .activity-stage{padding-left:10px;padding-right:10px}
  .compact-weight-row{grid-template-columns:1fr}
  .guided-set-grid{gap:5px}
  .timed-options{grid-template-columns:1fr}
}

/* v3.1 pause / resume countdown */
.activity-countdown-button.paused{
  background:#59687d;
  color:#f4f7fb;
  border:1px solid #71839b;
}
.activity-countdown-button.paused .count-main{
  font-variant-numeric:tabular-nums;
}
.activity-countdown-button.paused .count-sub{
  color:#eef4fa;
}

/* v3.2 next-session workout goal */
.next-goal{
  margin:7px 0 8px;
  color:#d9e5f2;
  font-size:13px;
  line-height:1.45;
  max-width:560px;
}
.next-meta{
  margin:0;
  font-size:12px;
}