:root{
  --bg:#070a11; --bg2:#0d1119;
  --glass:rgba(255,255,255,.045); --glass2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.09); --line2:rgba(255,255,255,.14);
  --txt:#f3f6fc; --mut:#97a2b6; --mut2:#5f6b82;
  --green:#41d058; --green-d:#27a23c; --greenglow:rgba(65,208,88,.45);
  --violet:#9b6bff; --blue:#43a6ff; --amber:#ffc24b; --red:#ff6048; --pink:#ff5c9d;
  --grad-green:linear-gradient(135deg,#5BE873 0%,#2fae42 100%);
  --grad-violet:linear-gradient(135deg,#b98cff,#7d4bff);
  --grad-blue:linear-gradient(135deg,#6bc4ff,#2f86ff);
  --grad-amber:linear-gradient(135deg,#ffd06b,#ff9f1c);
  --grad-pink:linear-gradient(135deg,#ff8fc0,#ff3d86);
  --hd:'Barlow Condensed',sans-serif; --bd:'Inter',system-ui,sans-serif;
  --maxw:1080px; --nav:70px;
  --shadow:0 18px 50px -12px rgba(0,0,0,.7);
  --shadow-glow:0 14px 40px -10px var(--greenglow);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;overflow-x:hidden}
body{background:var(--bg);color:var(--txt);font-family:var(--bd);font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased;position:relative}
/* animated mesh background */
body::before{content:"";position:fixed;inset:0;z-index:-2;background:
  radial-gradient(60% 50% at 15% 0%, rgba(65,208,88,.16), transparent 60%),
  radial-gradient(55% 45% at 95% 8%, rgba(123,75,255,.14), transparent 60%),
  radial-gradient(50% 40% at 50% 100%, rgba(67,166,255,.10), transparent 60%),
  var(--bg)}
body::after{content:"";position:fixed;inset:0;z-index:-1;background:
  radial-gradient(40% 30% at 80% 60%, rgba(255,92,157,.07), transparent 60%);
  animation:drift 18s ease-in-out infinite alternate}
@keyframes drift{from{transform:translateY(0)}to{transform:translateY(-30px)}}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
img{max-width:100%;display:block}
::-webkit-scrollbar{width:7px;height:7px}::-webkit-scrollbar-thumb{background:var(--line2);border-radius:8px}

.boot{display:grid;place-items:center;height:100vh}
.spinner{width:40px;height:40px;border:3px solid var(--line);border-top-color:var(--green);border-radius:50%;animation:spin .8s linear infinite;filter:drop-shadow(0 0 10px var(--greenglow))}
@keyframes spin{to{transform:rotate(360deg)}}
.center-msg{display:grid;place-items:center;height:50vh;color:var(--mut);text-align:center;padding:24px}

h1,h2,h3,.hd{font-family:var(--hd);font-weight:900;letter-spacing:.4px;line-height:1.02}
.eyebrow{font-family:var(--hd);font-weight:700;text-transform:uppercase;letter-spacing:3px;
  background:var(--grad-green);-webkit-background-clip:text;background-clip:text;color:transparent;font-size:12px}
.grad-txt{background:var(--grad-green);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============ LOGIN ============ */
.login{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:100%;max-width:390px;background:var(--glass);backdrop-filter:blur(30px);-webkit-backdrop-filter:blur(30px);
  border:1px solid var(--line2);border-radius:26px;padding:38px 30px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.login-card::before{content:"";position:absolute;top:-1px;left:24px;right:24px;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.5),transparent)}
.brand-lock{display:flex;align-items:center;gap:12px;margin-bottom:8px}
.logo-badge{width:54px;height:54px;border-radius:16px;background:var(--grad-green);
  display:grid;place-items:center;font-family:var(--hd);font-weight:900;font-size:25px;color:#06210b;
  box-shadow:0 10px 30px -4px var(--greenglow),inset 0 1px 0 rgba(255,255,255,.4)}
.login h1{font-size:34px;margin-top:16px}
.login p.sub{color:var(--mut);margin:4px 0 26px;font-size:14px}
.field{margin-bottom:15px}
.field label{display:block;font-size:11px;color:var(--mut);margin-bottom:7px;font-weight:600;text-transform:uppercase;letter-spacing:1px}
.field input{width:100%;background:rgba(0,0,0,.25);border:1px solid var(--line2);border-radius:13px;
  padding:14px 15px;color:var(--txt);font-size:15px;outline:none;transition:border .15s,box-shadow .15s}
.field input:focus{border-color:var(--green);box-shadow:0 0 0 3px var(--greenglow)}
.btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;
  background:var(--grad-green);color:#06210b;font-weight:800;padding:15px;border-radius:14px;font-size:15px;
  box-shadow:0 12px 30px -8px var(--greenglow),inset 0 1px 0 rgba(255,255,255,.45);transition:transform .08s,filter .15s;letter-spacing:.3px}
.btn:active{transform:translateY(1px)}.btn:hover{filter:brightness(1.07)}
.btn[disabled]{opacity:.6;pointer-events:none}
.btn svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:2.3;stroke-linecap:round;stroke-linejoin:round}
.err{color:var(--red);font-size:13px;margin-top:11px;min-height:18px}

/* ============ APP CHROME ============ */
.app-wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px calc(var(--nav) + 34px)}
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px 12px;background:linear-gradient(180deg,var(--bg) 60%,transparent)}
.topbar .tb-l{display:flex;align-items:center;gap:11px}
.logo-badge.sm{width:38px;height:38px;font-size:18px;border-radius:11px}
.tb-title{font-family:var(--hd);font-weight:900;font-size:20px;line-height:1}
.tb-title small{display:block;font-family:var(--bd);font-weight:500;font-size:10.5px;color:var(--mut);letter-spacing:.5px;text-transform:uppercase}
.avatar-btn{width:38px;height:38px;border-radius:50%;background:var(--glass2);border:1px solid var(--line2);
  font-family:var(--hd);font-weight:700;font-size:15px;color:var(--green)}
.page{animation:fade .35s ease}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.stagger>*{animation:fade .4s ease backwards}
.stagger>*:nth-child(2){animation-delay:.04s}.stagger>*:nth-child(3){animation-delay:.08s}
.stagger>*:nth-child(4){animation-delay:.12s}.stagger>*:nth-child(5){animation-delay:.16s}
.stagger>*:nth-child(6){animation-delay:.2s}.stagger>*:nth-child(n+7){animation-delay:.24s}
.page-head{margin:8px 2px 18px}
.page-head h2{font-size:32px}
.page-head .eyebrow{margin-bottom:4px}

/* hero greeting card */
.hero{position:relative;border-radius:24px;padding:22px 20px;margin-bottom:18px;overflow:hidden;
  background:linear-gradient(135deg,rgba(65,208,88,.18),rgba(123,75,255,.12) 60%,rgba(67,166,255,.10));
  border:1px solid var(--line2);box-shadow:var(--shadow)}
.hero::after{content:"";position:absolute;top:-40%;right:-10%;width:60%;height:180%;
  background:radial-gradient(closest-side,rgba(65,208,88,.35),transparent);filter:blur(10px)}
.hero .eyebrow{margin-bottom:4px}
.hero h2{font-size:30px;position:relative}
.hero .sub{color:var(--txt);opacity:.75;font-size:13.5px;margin-top:4px;position:relative}

/* bottom nav — floating glass pill */
.nav{position:fixed;left:14px;right:14px;bottom:14px;z-index:40;height:var(--nav);max-width:520px;margin:0 auto;
  background:rgba(15,19,28,.72);backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  border:1px solid var(--line2);border-radius:22px;display:flex;padding:6px;
  box-shadow:0 20px 50px -12px rgba(0,0,0,.8),inset 0 1px 0 rgba(255,255,255,.08)}
.nav a{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  color:var(--mut);font-size:10px;font-weight:600;letter-spacing:.3px;border-radius:16px;transition:color .2s,background .2s}
.nav a svg{width:23px;height:23px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.nav a.on{color:#06210b;background:var(--grad-green);box-shadow:0 8px 20px -6px var(--greenglow)}

/* ---- cards / grid ---- */
.grid{display:grid;gap:13px}
.kpis{grid-template-columns:repeat(2,1fr)}
.kpi{background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line);border-radius:20px;padding:17px;position:relative;overflow:hidden;
  box-shadow:0 10px 30px -14px rgba(0,0,0,.7)}
.kpi::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.25),transparent)}
.kpi .v{font-family:var(--hd);font-weight:900;font-size:38px;line-height:1;letter-spacing:.5px}
.kpi .l{color:var(--mut);font-size:12.5px;margin-top:4px;font-weight:500}
.kpi .ic{position:absolute;top:14px;right:14px;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:var(--grad-green);box-shadow:0 8px 18px -6px var(--greenglow)}
.kpi .ic svg{width:18px;height:18px;stroke:#06210b;fill:none;stroke-width:2.4;stroke-linecap:round;stroke-linejoin:round}
.kpi.green .v{background:var(--grad-green);-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi.amber .ic{background:var(--grad-amber)} .kpi.amber .v{background:var(--grad-amber);-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi.blue .ic{background:var(--grad-blue)} .kpi.blue .v{background:var(--grad-blue);-webkit-background-clip:text;background-clip:text;color:transparent}
.kpi.violet .ic{background:var(--grad-violet)} .kpi.violet .v{background:var(--grad-violet);-webkit-background-clip:text;background-clip:text;color:transparent}

.section-t{display:flex;align-items:center;justify-content:space-between;margin:26px 2px 13px}
.section-t h3{font-size:19px}
.section-t a{font-size:12.5px;font-weight:700;background:var(--grad-green);-webkit-background-clip:text;background-clip:text;color:transparent}

.list{display:flex;flex-direction:column;gap:10px}
.row{display:flex;align-items:center;gap:13px;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line);border-radius:17px;padding:12px 15px;transition:border .15s,transform .08s,background .15s}
.row:active{transform:scale(.99)} .row:hover{border-color:var(--line2);background:var(--glass2)}
.ava{width:46px;height:46px;border-radius:15px;flex:none;display:grid;place-items:center;
  font-family:var(--hd);font-weight:800;font-size:17px;color:#06210b;background:var(--grad-green);
  box-shadow:0 8px 18px -8px var(--greenglow),inset 0 1px 0 rgba(255,255,255,.35)}
.ava.g2{background:var(--grad-blue);box-shadow:0 8px 18px -8px rgba(67,166,255,.5),inset 0 1px 0 rgba(255,255,255,.35);color:#04101f}
.ava.g3{background:var(--grad-amber);box-shadow:0 8px 18px -8px rgba(255,194,75,.5),inset 0 1px 0 rgba(255,255,255,.35);color:#2a1c02}
.ava.g4{background:var(--grad-violet);box-shadow:0 8px 18px -8px rgba(155,107,255,.5),inset 0 1px 0 rgba(255,255,255,.35);color:#fff}
.row .meta{flex:1;min-width:0}
.row .nm{font-weight:600;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.row .sub{color:var(--mut);font-size:12.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px;display:flex;align-items:center;gap:6px}
.row .rt{text-align:right;flex:none}
.row .rt .w{font-family:var(--hd);font-weight:800;font-size:19px}
.row .rt .wl{color:var(--mut);font-size:11px;font-weight:600}
.row .chev{flex:none;width:18px;height:18px;stroke:var(--mut2);fill:none;stroke-width:2.5;margin-left:-4px}

.pill{display:inline-flex;align-items:center;gap:5px;font-size:11px;font-weight:700;padding:3px 10px;border-radius:20px;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;box-shadow:0 0 7px currentColor}
.pill.active{color:var(--green);background:rgba(65,208,88,.14)}
.pill.lapsing{color:var(--amber);background:rgba(255,194,75,.14)}
.pill.dormant{color:var(--red);background:rgba(255,96,72,.14)}
.pill.inactive{color:var(--mut);background:rgba(151,162,182,.12)}

.search{display:flex;align-items:center;gap:11px;background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid var(--line2);border-radius:15px;padding:13px 15px;margin-bottom:8px}
.search svg{width:19px;height:19px;stroke:var(--mut);fill:none;stroke-width:2}
.search input{flex:1;background:none;border:none;outline:none;color:var(--txt);font-size:15px}
.chips{display:flex;gap:8px;overflow-x:auto;padding:10px 2px 6px;scrollbar-width:none}
.chips::-webkit-scrollbar{display:none}
.chip{flex:none;padding:8px 15px;border-radius:20px;background:var(--glass);border:1px solid var(--line2);
  font-size:12.5px;font-weight:700;color:var(--mut);white-space:nowrap;transition:.15s}
.chip.on{background:var(--grad-green);color:#06210b;border-color:transparent;box-shadow:0 8px 18px -8px var(--greenglow)}
.muted{color:var(--mut)} .small{font-size:12.5px}

/* ============ CLIENT DETAIL ============ */
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--mut);font-size:13px;font-weight:600;margin:6px 0 16px}
.back-link svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.4}
.client-hero{position:relative;border-radius:24px;padding:22px 20px;margin-bottom:16px;overflow:hidden;
  background:linear-gradient(135deg,rgba(65,208,88,.16),rgba(123,75,255,.10));border:1px solid var(--line2);box-shadow:var(--shadow)}
.client-hero::after{content:"";position:absolute;top:-50%;right:-15%;width:55%;height:200%;background:radial-gradient(closest-side,rgba(65,208,88,.3),transparent);filter:blur(6px)}
.profile-hd{display:flex;align-items:center;gap:16px;position:relative}
.profile-hd .ava{width:68px;height:68px;font-size:26px;border-radius:20px}
.profile-hd h2{font-size:27px;line-height:1.05}
.profile-hd .pmeta{color:var(--txt);opacity:.7;font-size:13px;margin-top:3px}
.statrow{display:grid;grid-template-columns:repeat(3,1fr);gap:11px;margin-bottom:16px}
.stat{background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:17px;padding:15px 10px;text-align:center;position:relative;overflow:hidden}
.stat::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent)}
.stat .v{font-family:var(--hd);font-weight:900;font-size:27px}
.stat .v small{font-size:13px;font-weight:700;color:var(--mut)}
.stat .l{color:var(--mut);font-size:10.5px;margin-top:3px;text-transform:uppercase;letter-spacing:.8px;font-weight:600}
.stat .v.up{color:var(--green)} .stat .v.down{color:var(--blue)}
.panel{background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:20px;padding:18px;margin-bottom:14px;box-shadow:0 10px 30px -16px rgba(0,0,0,.7)}
.panel h3{font-size:16px;margin-bottom:13px;display:flex;align-items:center;gap:8px}
.panel h3 .dot{width:7px;height:7px;border-radius:50%;background:var(--green);box-shadow:0 0 8px var(--greenglow)}
.chart-wrap{position:relative;height:210px}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.metric{background:rgba(0,0,0,.22);border:1px solid var(--line);border-radius:13px;padding:12px 14px}
.metric .l{color:var(--mut);font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;font-weight:600}
.metric .v{font-family:var(--hd);font-weight:800;font-size:21px;margin-top:3px}
.photos{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.photos img{aspect-ratio:3/4;object-fit:cover;border-radius:14px;border:1px solid var(--line2);cursor:pointer;background:var(--bg2);transition:transform .12s}
.photos img:active{transform:scale(.97)}
.tag-list{display:flex;flex-wrap:wrap;gap:9px}
.tag{background:rgba(0,0,0,.22);border:1px solid var(--line);border-radius:12px;padding:10px 13px;font-size:13px;font-weight:600;display:flex;align-items:center;gap:9px}
.tag svg{width:15px;height:15px;stroke:var(--green);fill:none;stroke-width:2}
.empty-mini{color:var(--mut);font-size:13px;font-style:italic}

/* ============ EXERCISE / LIBRARY GRID ============ */
.exgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.excard{background:var(--glass);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border:1px solid var(--line);border-radius:18px;overflow:hidden;transition:border .15s,transform .08s;box-shadow:0 10px 26px -16px rgba(0,0,0,.7)}
.excard:active{transform:scale(.98)} .excard:hover{border-color:var(--line2)}
.excard .thumb{position:relative;aspect-ratio:16/10;background:var(--bg2);overflow:hidden}
.excard .thumb img{width:100%;height:100%;object-fit:cover}
.excard .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(7,10,17,.55))}
.excard .thumb .play{position:absolute;inset:0;display:grid;place-items:center;z-index:2}
.excard .thumb .play span{width:46px;height:46px;border-radius:50%;background:var(--grad-green);
  display:grid;place-items:center;box-shadow:0 10px 24px -6px var(--greenglow),inset 0 1px 0 rgba(255,255,255,.4)}
.excard .thumb .play svg{width:17px;height:17px;fill:#06210b;margin-left:2px}
.excard .ic-fallback{position:absolute;inset:0;display:grid;place-items:center;color:var(--line2)}
.excard .ic-fallback svg{width:42px;height:42px;stroke:var(--line2);fill:none;stroke-width:1.5}
.excard .b{padding:11px 13px}
.excard .b .t{font-weight:600;font-size:13.5px;line-height:1.25;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:34px}
.excard .b .m{color:var(--green);font-size:11px;margin-top:5px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.loadmore{margin:20px auto 0;display:block;background:var(--glass2);border:1px solid var(--line2);border-radius:13px;padding:13px 26px;font-weight:700;color:var(--txt)}

.libmenu{display:grid;grid-template-columns:repeat(2,1fr);gap:13px}
.libtile{background:var(--glass);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid var(--line);border-radius:20px;padding:20px 17px;position:relative;overflow:hidden;box-shadow:0 10px 30px -16px rgba(0,0,0,.7)}
.libtile::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.22),transparent)}
.libtile .ic{width:44px;height:44px;border-radius:13px;background:var(--grad-green);display:grid;place-items:center;margin-bottom:14px;box-shadow:0 8px 20px -6px var(--greenglow)}
.libtile .ic svg{width:22px;height:22px;stroke:#06210b;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
.libtile:nth-child(2) .ic{background:var(--grad-blue)}.libtile:nth-child(3) .ic{background:var(--grad-amber)}
.libtile:nth-child(4) .ic{background:var(--grad-violet)}.libtile:nth-child(5) .ic{background:var(--grad-pink)}
.libtile .v{font-family:var(--hd);font-weight:900;font-size:33px;line-height:1}
.libtile .l{color:var(--mut);font-size:13px;margin-top:3px}

/* ---- modal ---- */
.modal{position:fixed;inset:0;z-index:60;display:grid;place-items:center;padding:18px}
.modal[hidden]{display:none}
.modal-bg{position:absolute;inset:0;background:rgba(4,6,10,.8);backdrop-filter:blur(7px);-webkit-backdrop-filter:blur(7px)}
.modal-card{position:relative;width:100%;max-width:660px;background:var(--bg2);border:1px solid var(--line2);border-radius:22px;overflow:hidden;animation:pop .22s ease;box-shadow:var(--shadow)}
@keyframes pop{from{transform:scale(.95);opacity:0}to{transform:none;opacity:1}}
.modal-x{position:absolute;top:10px;right:14px;z-index:3;font-size:24px;color:#fff;width:38px;height:38px;line-height:1;background:rgba(0,0,0,.4);border-radius:50%;backdrop-filter:blur(6px)}
.modal-body-pad{padding:18px}
.video-frame{aspect-ratio:16/9;background:#000;width:100%}
.video-frame iframe,.video-frame video{width:100%;height:100%;border:none;display:block}
.modal h3{font-family:var(--hd);font-weight:900;font-size:21px;margin-bottom:4px}
.yt-btn{display:flex;align-items:center;justify-content:center;gap:9px;margin-top:14px;width:100%;
  background:var(--grad-green);color:#06210b;font-weight:800;padding:14px;border-radius:13px;font-size:14.5px;
  box-shadow:0 12px 28px -8px var(--greenglow)}
.yt-btn svg{width:19px;height:19px;fill:#06210b}

.toast{position:fixed;bottom:calc(var(--nav) + 26px);left:50%;transform:translateX(-50%);
  background:var(--glass2);backdrop-filter:blur(16px);border:1px solid var(--line2);color:var(--txt);padding:12px 20px;border-radius:14px;font-size:13.5px;z-index:70;box-shadow:var(--shadow)}

@media(min-width:560px){ .kpis{grid-template-columns:repeat(4,1fr)} .exgrid{grid-template-columns:repeat(3,1fr)} .libmenu{grid-template-columns:repeat(3,1fr)} }
@media(min-width:820px){
  .exgrid{grid-template-columns:repeat(4,1fr)}
  .detail-cols{display:grid;grid-template-columns:1.25fr .75fr;gap:14px;align-items:start}
}