:root{--bg:#090A0C;--surface:#121418;--surface2:#191C21;--surface3:#20242a;--text:#F4F4F2;--muted:#A7A9AE;--border:#272A30;--accent:#A3162B;--accent2:#D61F2C;--glow:#5A0D18;--ok:#4fbf84;--warn:#e5a84b;--danger:#ef5b68;--radius:18px;--shadow:0 18px 60px rgba(0,0,0,.28)}*{box-sizing:border-box}html{background:var(--bg);color:var(--text);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif}body{margin:0;background:radial-gradient(circle at 85% -10%,rgba(163,22,43,.18),transparent 28%),radial-gradient(circle at 15% 20%,rgba(255,255,255,.035),transparent 22%),var(--bg);min-height:100vh}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.app-shell{display:grid;grid-template-columns:270px minmax(0,1fr);min-height:100vh}.sidebar{position:fixed;inset:0 auto 0 0;width:270px;background:linear-gradient(180deg,rgba(18,20,24,.96),rgba(9,10,12,.98));border-right:1px solid var(--border);padding:22px 18px;display:flex;flex-direction:column;z-index:50;backdrop-filter:blur(18px)}.brand{display:flex;align-items:center;gap:11px;font-size:20px;font-weight:900;letter-spacing:.04em;margin:0 5px 30px}.brand img{width:38px;height:38px;object-fit:contain;filter:brightness(2)}.brand span span{color:var(--accent2)}.sidebar-label,.eyebrow,.kicker{font-size:10px;letter-spacing:.18em;font-weight:800;color:#757a82;text-transform:uppercase}.sidebar-label{margin:0 12px 12px}.sidebar nav{display:flex;flex-direction:column;gap:4px}.nav-link{display:flex;align-items:center;gap:12px;color:#a9adb4;padding:11px 12px;border-radius:12px;transition:.18s;border:1px solid transparent;font-size:14px}.nav-link:hover{background:rgba(255,255,255,.035);color:#fff}.nav-link.active{background:linear-gradient(90deg,rgba(163,22,43,.18),rgba(163,22,43,.06));border-color:rgba(214,31,44,.24);color:#fff;box-shadow:inset 3px 0 0 var(--accent2)}.nav-icon{width:18px;height:18px;flex:none}.sidebar-bottom{margin-top:auto;border-top:1px solid var(--border);padding-top:16px}.user-mini{display:flex;gap:10px;align-items:center;padding:8px 8px 14px}.user-mini strong{display:block;font-size:13px}.user-mini small{display:block;color:var(--muted);font-size:11px;margin-top:2px}.avatar{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent),#411019);font-weight:900;border:1px solid rgba(255,255,255,.08)}.main{grid-column:2;min-width:0}.topbar{height:102px;display:flex;align-items:center;justify-content:space-between;padding:18px 34px;border-bottom:1px solid rgba(39,42,48,.7);position:sticky;top:0;background:rgba(9,10,12,.78);backdrop-filter:blur(22px);z-index:40}.topbar h1{font-size:23px;margin:3px 0 0;letter-spacing:-.025em}.menu-btn{display:none;background:none;color:#fff;border:0;font-size:24px}.content{padding:30px 34px 80px;max-width:1560px;width:100%;margin:auto}.grid{display:grid;gap:18px}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background:linear-gradient(145deg,rgba(25,28,33,.88),rgba(15,17,20,.92));border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px;position:relative;overflow:hidden}.card::after{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:-90px;top:-90px;background:radial-gradient(circle,rgba(163,22,43,.08),transparent 68%);pointer-events:none}.stat-card .value{font-size:32px;font-weight:900;letter-spacing:-.045em;margin:10px 0 2px}.stat-card .label{color:var(--muted);font-size:13px}.stat-card .trend{font-size:12px;margin-top:8px;color:#89909a}.section-head{display:flex;justify-content:space-between;gap:20px;align-items:end;margin:32px 0 14px}.section-head h2{margin:4px 0 0;font-size:22px}.section-head p{margin:0;color:var(--muted);font-size:13px}.btn{border:1px solid var(--border);background:var(--surface2);color:#fff;border-radius:11px;padding:10px 14px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:750;font-size:13px;cursor:pointer;transition:.18s}.btn:hover{transform:translateY(-1px);border-color:#3c414a}.btn.primary{background:linear-gradient(135deg,var(--accent),#7c1322);border-color:rgba(227,38,54,.45);box-shadow:0 8px 28px rgba(90,13,24,.25)}.btn.primary:hover{background:linear-gradient(135deg,var(--accent2),var(--accent))}.btn.ghost{background:rgba(255,255,255,.03)}.btn.danger{background:rgba(239,91,104,.08);color:#ff8f98;border-color:rgba(239,91,104,.22)}.btn.small{padding:7px 10px;font-size:12px}.btn.wide{width:100%}.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 8px;border:1px solid var(--border);border-radius:999px;font-size:10px;font-weight:850;letter-spacing:.06em;text-transform:uppercase;color:#bdc0c5;background:rgba(255,255,255,.025)}.badge.red{color:#ff9aa2;border-color:rgba(214,31,44,.25);background:rgba(163,22,43,.12)}.badge.green{color:#8ae0b0;border-color:rgba(79,191,132,.25);background:rgba(79,191,132,.08)}.badge.yellow{color:#f3c170;border-color:rgba(229,168,75,.25);background:rgba(229,168,75,.08)}.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:16px;background:rgba(18,20,24,.65)}table{width:100%;border-collapse:collapse;min-width:720px}th,td{padding:13px 14px;border-bottom:1px solid var(--border);text-align:left;font-size:13px;vertical-align:middle}th{font-size:10px;letter-spacing:.12em;color:#797f88;text-transform:uppercase;background:rgba(255,255,255,.018)}tr:last-child td{border-bottom:0}tbody tr:hover{background:rgba(255,255,255,.016)}.muted{color:var(--muted)}.small-text{font-size:12px}.form-stack{display:flex;flex-direction:column;gap:14px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.form-grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}label{display:flex;flex-direction:column;gap:7px;color:#c5c8cd;font-size:12px;font-weight:650}input,select,textarea{width:100%;background:#0f1114;border:1px solid #30343b;color:#fff;border-radius:10px;padding:11px 12px;outline:none;transition:.15s}input:focus,select:focus,textarea:focus{border-color:#7d2734;box-shadow:0 0 0 3px rgba(163,22,43,.11)}textarea{min-height:96px;resize:vertical}input[type=checkbox]{width:auto;accent-color:var(--accent2)}.check-row{display:flex;flex-wrap:wrap;gap:12px}.check-row label{flex-direction:row;align-items:center;font-weight:500}.flash{padding:12px 14px;border-radius:12px;margin-bottom:15px;border:1px solid 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span{display:block;height:100%;background:linear-gradient(90deg,var(--accent),var(--accent2));border-radius:999px}.metric-big{font-size:40px;font-weight:950;letter-spacing:-.05em}.athlete-hero{display:grid;grid-template-columns:1fr auto;gap:18px;align-items:center;margin-bottom:20px}.athlete-name{display:flex;align-items:center;gap:14px}.athlete-name .avatar{width:50px;height:50px;font-size:18px}.tabs{display:flex;gap:5px;overflow:auto;padding:5px;border:1px solid var(--border);border-radius:14px;background:rgba(18,20,24,.7);margin-bottom:22px}.tabs a{white-space:nowrap;padding:9px 12px;border-radius:10px;font-size:12px;color:var(--muted)}.tabs a.active,.tabs a:hover{background:var(--surface2);color:#fff}.builder-block{border:1px solid var(--border);border-radius:16px;background:rgba(17,19,23,.8);margin-bottom:14px}.builder-block-head{padding:13px 15px;border-bottom:1px solid 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var(--border);border-radius:14px}.chart svg{width:100%;height:100%}.chart-line{fill:none;stroke:var(--accent2);stroke-width:3}.chart-dot{fill:var(--accent2)}.chart-grid{stroke:#2b2f36;stroke-width:1}.chart-label{fill:#858b94;font-size:10px}.monitor-scale{display:grid;grid-template-columns:repeat(10,1fr);gap:5px}.monitor-scale label{display:grid;place-items:center}.monitor-scale input{display:none}.monitor-scale span{width:100%;padding:9px 0;border-radius:8px;border:1px solid var(--border);background:#111317;text-align:center;cursor:pointer}.monitor-scale input:checked+span{background:var(--accent);border-color:var(--accent2);color:#fff}.two-pane{display:grid;grid-template-columns:340px minmax(0,1fr);gap:18px}.sticky-card{position:sticky;top:122px;align-self:start}.hr{height:1px;background:var(--border);margin:16px 0}@media(max-width:1100px){.grid.cols-4{grid-template-columns:repeat(2,1fr)}.grid.cols-3{grid-template-columns:repeat(2,1fr)}.split,.two-pane{grid-template-columns:1fr}.sticky-card{position:static}.install-grid{grid-template-columns:1fr}}@media(max-width:800px){.app-shell{display:block}.sidebar{transform:translateX(-100%);transition:.25s;width:min(290px,88vw)}.menu-open .sidebar{transform:translateX(0)}.main{grid-column:auto}.topbar{height:82px;padding:14px 18px}.topbar h1{font-size:18px}.menu-btn{display:block}.topbar{justify-content:flex-start;gap:14px}.top-actions{margin-left:auto}.top-actions .btn{padding:8px 10px;font-size:11px}.content{padding:20px 16px 60px}.grid.cols-4,.grid.cols-3,.grid.cols-2,.form-grid,.form-grid.cols-3{grid-template-columns:1fr}.athlete-hero{grid-template-columns:1fr}.section-head{align-items:flex-start;flex-direction:column}.set-grid{grid-template-columns:50px repeat(2,minmax(100px,1fr))}.install-card{padding:20px}.auth-card{padding:23px}.calendar-grid{grid-template-columns:repeat(7,160px)}}

/* =========================================================
   SMPR.FIT PERFORMANCE PLATFORM · PROFESSIONAL LAUNCH UI
   Light analytical workspace + dark performance sidebar
   ========================================================= */
:root{--bg:#F2F3F5;--surface:#FFFFFF;--surface2:#F7F8FA;--surface3:#ECEEF1;--text:#17191D;--muted:#686D76;--border:#E1E3E7;--accent:#A3162B;--accent2:#D61F2C;--glow:#68101B;--ok:#2f9d67;--warn:#c58728;--danger:#c93c4a;--shadow:0 14px 38px rgba(23,25,29,.08)}
html{background:var(--bg);color:var(--text)}
body{background:radial-gradient(circle at 95% 0,rgba(163,22,43,.06),transparent 30%),linear-gradient(180deg,#F7F8FA 0,#F2F3F5 46%,#EEF0F3 100%);color:var(--text)}
.sidebar{background:linear-gradient(180deg,#1B1D22 0,#131519 100%);border-right:1px solid #2A2D33;box-shadow:10px 0 40px rgba(18,20,24,.10)}
.brand{color:#F4F4F2}.brand img{filter:brightness(0) invert(1);opacity:.96}.brand span span{color:#D61F2C}.sidebar-label{color:#777d87}.sidebar .nav-link{color:#aeb3bc}.sidebar .nav-link:hover{background:rgba(255,255,255,.055);color:#fff}.sidebar .nav-link.active{background:linear-gradient(90deg,rgba(163,22,43,.30),rgba(163,22,43,.08));border-color:rgba(214,31,44,.28);color:#fff}.sidebar-bottom{border-color:#2A2D33}.sidebar .user-mini strong{color:#F4F4F2}.sidebar .user-mini small{color:#9298a2}
.topbar{background:rgba(247,248,250,.90);border-bottom:1px solid var(--border);box-shadow:0 8px 28px rgba(23,25,29,.04)}.topbar h1{color:#17191D}.eyebrow,.kicker{color:#767c85}.menu-btn{color:#17191D}
.card{background:#FFFFFF;border-color:var(--border);box-shadow:var(--shadow)}.card::after{background:radial-gradient(circle,rgba(163,22,43,.045),transparent 68%)}
.table-wrap{background:#fff;border-color:var(--border);box-shadow:0 10px 30px rgba(23,25,29,.04)}th,td{border-color:var(--border)}th{background:#F7F8FA;color:#777d87}tbody tr:hover{background:#FAFAFB}
label{color:#454a52}input,select,textarea{background:#FFFFFF;border-color:#D8DBE0;color:#17191D}input:focus,select:focus,textarea:focus{border-color:#A3162B;box-shadow:0 0 0 3px rgba(163,22,43,.09)}
.btn{background:#FFFFFF;color:#292d33;border-color:#D8DBE0;box-shadow:0 3px 10px rgba(23,25,29,.04)}.btn:hover{border-color:#b9bec6;background:#FAFAFB}.btn.primary{color:#fff}.btn.ghost{background:#F7F8FA;color:#343940}.btn.danger{background:#fff5f6;color:#b12938;border-color:#efc6cb}
.badge{color:#656b74;background:#F7F8FA;border-color:#E1E3E7}.badge.red{color:#a82e3b;background:#fff1f3;border-color:#f1c6cc}.badge.green{color:#23794e;background:#edf9f3;border-color:#bfe5d1}.badge.yellow{color:#94651e;background:#fff8e9;border-color:#edd8a9}.badge.orange{color:#a75a1a;background:#fff3e8;border-color:#efcfb4}
.progress{background:#E7E9EC}.muted{color:var(--muted)}.empty{color:var(--muted)}.empty b{color:#262a30}.list-item{border-color:var(--border)}
.tabs{background:#FFFFFF;border-color:var(--border);box-shadow:0 8px 22px rgba(23,25,29,.04)}.tabs a{color:#6d737c}.tabs a.active,.tabs a:hover{background:#F0F1F3;color:#17191D}
.builder-block{background:#FFFFFF;border-color:var(--border)}.builder-block-head{border-color:var(--border)}.builder-item{background:#F8F9FA;border-color:#E1E3E7}.target-chip{background:#fff3f5;color:#8c2633;border-color:#f1c7cd}
.calendar-day{background:#FFFFFF;border-color:var(--border)}.session-pill{background:#fff4f5;border-color:#efc9ce;color:#5d252c}
.workout-item{background:#FFFFFF;border-color:var(--border);box-shadow:0 12px 30px rgba(23,25,29,.06)}.workout-item.done{background:#f7fcf9}.workout-video{background:#eceef1}.target-box{border-color:#E1E3E7;background:#F8F9FA}.set-no{color:#737983}.rest-timer{background:#fff;color:#17191D;border-color:var(--border)}
.chart{background:#FFFFFF;border-color:var(--border)}.chart-grid{stroke:#E7E9EC}.chart-label{fill:#777d87}
.monitor-scale span{background:#fff;border-color:#dfe2e6}.monitor-question{padding:14px 0;border-bottom:1px solid #ECEEF1}.monitor-question:last-of-type{border-bottom:0}.range-row{display:grid;grid-template-columns:minmax(0,1fr) 82px;gap:12px;align-items:center}.range-row input[type=range]{padding:0;border:0;background:transparent;accent-color:var(--accent)}.range-row output{font-weight:800;text-align:center;background:#F4F5F7;border:1px solid #E1E3E7;border-radius:10px;padding:8px}.range-anchors{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;font-size:10px;color:#7a8089;margin-top:6px}.range-anchors span:nth-child(2){text-align:center}.range-anchors span:last-child{text-align:right}
.save-status{margin-top:10px;font-size:11px;color:#7b818a}.save-status.ok{color:#287b51}.save-status.error{color:#b22c3a}
.hr{background:var(--border)}
/* Authentication remains dark and strongly branded. */
.auth-page,.install-page{background:radial-gradient(circle at 80% 0,rgba(163,22,43,.20),transparent 32%),#090A0C;color:#F4F4F2}.auth-card,.install-card{background:rgba(18,20,24,.94);border-color:#272A30;color:#F4F4F2}.auth-card label,.install-card label{color:#c5c8cd}.auth-card input,.auth-card select,.install-card input,.install-card select{background:#0f1114;color:#fff;border-color:#30343b}.auth-logo img,.install-brand img{filter:brightness(0) invert(1)}
@media(max-width:800px){.topbar{background:rgba(247,248,250,.96)}.sidebar{box-shadow:20px 0 50px rgba(0,0,0,.24)}}
.mobile-bottom-nav{display:none}@media(max-width:800px){body{padding-bottom:68px}.mobile-bottom-nav{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:80;background:rgba(255,255,255,.97);border-top:1px solid #E1E3E7;box-shadow:0 -8px 28px rgba(23,25,29,.08);padding:7px max(8px,env(safe-area-inset-right)) calc(7px + env(safe-area-inset-bottom)) max(8px,env(safe-area-inset-left))}.mobile-bottom-nav a{text-align:center;font-size:11px;font-weight:800;color:#5f6570;padding:8px 3px;border-radius:9px}.mobile-bottom-nav a:hover{background:#F2F3F5;color:#A3162B}}