:root{--bg:#080a0f;--panel:#11151d;--panel2:#171c26;--text:#f7f8fb;--muted:#8e98aa;--line:rgba(255,255,255,.085);--green:#7cf5b5;--blue:#79a7ff;--orange:#ffbf69;--pink:#ff7da8;--danger:#ff7285;--shadow:0 30px 80px rgba(0,0,0,.38);--r:24px}
*{box-sizing:border-box}html{background:var(--bg);scroll-behavior:smooth}body{margin:0;color:var(--text);background:var(--bg);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;min-height:100vh;overflow-x:hidden}button,input,select{font:inherit}.ambient{position:fixed;border-radius:50%;filter:blur(110px);opacity:.18;pointer-events:none}.a1{width:420px;height:420px;background:#487cff;left:-180px;top:-150px}.a2{width:460px;height:460px;background:#40d69b;right:-220px;top:20%}.app-shell{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;padding:26px 18px;display:flex;flex-direction:column;border-right:1px solid var(--line);background:rgba(8,10,15,.76);backdrop-filter:blur(22px);z-index:20}.logo{display:flex;align-items:center;gap:12px;padding:0 10px 30px}.mark{display:grid;place-items:center;width:46px;height:46px;border-radius:15px;background:linear-gradient(145deg,var(--green),#39c788);color:#06120c;font-weight:950;font-size:1.15rem;box-shadow:0 12px 30px rgba(124,245,181,.2)}.logo strong{display:block;letter-spacing:.17em;font-size:.84rem}.logo small{color:var(--muted);font-size:.65rem;letter-spacing:.15em}.sidebar nav{display:flex;flex-direction:column;gap:7px}.nav-btn{border:0;background:transparent;color:var(--muted);padding:12px 13px;border-radius:14px;text-align:left;display:flex;align-items:center;gap:12px;cursor:pointer;transition:.2s}.nav-btn:hover{background:rgba(255,255,255,.05);color:#fff}.nav-btn.active{background:linear-gradient(135deg,rgba(124,245,181,.14),rgba(121,167,255,.09));color:#fff;box-shadow:inset 0 0 0 1px rgba(124,245,181,.11)}.nav-icon{width:25px;text-align:center;font-size:1.1rem}.side-foot{margin-top:auto;padding:14px;display:flex;align-items:center;gap:12px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.035)}.mini-ring{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--green) var(--pct,0%),rgba(255,255,255,.08) 0);position:relative}.mini-ring:after{content:"";position:absolute;inset:5px;border-radius:50%;background:#11151d}.mini-ring span{position:relative;z-index:1;font-size:.68rem;font-weight:800}.side-foot strong,.side-foot small{display:block}.side-foot small{color:var(--muted);font-size:.72rem}.main{min-width:0;padding:28px clamp(20px,4vw,52px) 80px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:26px}.kicker{margin:0 0 5px;color:var(--green);font-size:.68rem;font-weight:850;letter-spacing:.18em}.topbar h1{margin:0;font-size:clamp(1.8rem,4vw,3rem);letter-spacing:-.055em}.top-actions{display:flex;gap:10px}.icon-btn,.avatar{border:1px solid var(--line);background:rgba(255,255,255,.045);color:white;border-radius:14px;width:44px;height:44px;cursor:pointer}.avatar{background:linear-gradient(145deg,#2a3241,#151a23);font-weight:800}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.three{grid-template-columns:repeat(3,minmax(0,1fr))}.card{border:1px solid var(--line);background:linear-gradient(145deg,rgba(24,29,40,.9),rgba(14,18,25,.94));border-radius:var(--r);padding:22px;box-shadow:var(--shadow);backdrop-filter:blur(16px);position:relative;overflow:hidden}.card.glow:before{content:"";position:absolute;width:230px;height:230px;border-radius:50%;right:-120px;top:-120px;background:var(--glow,#79a7ff);filter:blur(60px);opacity:.16}.eyebrow{font-size:.68rem;font-weight:850;color:var(--green);letter-spacing:.16em;text-transform:uppercase}.hero-title{font-size:clamp(2.1rem,5vw,4.8rem);line-height:.92;letter-spacing:-.075em;margin:12px 0}.muted{color:var(--muted)}.subtle{font-size:.83rem;color:var(--muted)}.metric{font-size:2.25rem;font-weight:900;letter-spacing:-.06em}.metric-unit{font-size:.85rem;color:var(--muted);font-weight:600}.primary,.secondary,.ghost{border:0;border-radius:14px;padding:12px 16px;font-weight:800;cursor:pointer}.primary{background:linear-gradient(135deg,var(--green),#55d99a);color:#06120c;box-shadow:0 12px 30px rgba(124,245,181,.16)}.secondary{background:rgba(255,255,255,.07);color:#fff;border:1px solid var(--line)}.ghost{background:transparent;color:var(--muted);padding:8px}.progress{height:9px;border-radius:99px;background:rgba(255,255,255,.08);overflow:hidden}.progress span{display:block;height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--green),var(--blue));transition:.35s}.stat-row{display:flex;justify-content:space-between;align-items:end;gap:14px}.ring{--value:0;width:150px;height:150px;border-radius:50%;display:grid;place-items:center;background:conic-gradient(var(--ring,var(--green)) calc(var(--value)*1%),rgba(255,255,255,.08) 0);position:relative}.ring:before{content:"";position:absolute;inset:12px;border-radius:50%;background:#121720}.ring-content{position:relative;text-align:center}.ring-content strong{font-size:2rem;display:block}.ring-content small{color:var(--muted)}.quick-list{display:flex;flex-direction:column;gap:10px;margin-top:14px}.quick-item,.exercise{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:13px;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.026);transition:.2s}.quick-item:hover,.exercise:hover{background:rgba(255,255,255,.045)}.tick{width:28px;height:28px;border-radius:9px;border:1px solid rgba(255,255,255,.16);display:grid;place-items:center;background:transparent;color:#07120c;cursor:pointer}.tick.done{background:var(--green);border-color:var(--green)}.quick-item strong,.exercise strong{display:block}.quick-item small,.exercise small{display:block;color:var(--muted);margin-top:3px;line-height:1.35}.pill{padding:6px 9px;border-radius:99px;font-size:.67rem;background:rgba(121,167,255,.12);color:#bdd3ff;white-space:nowrap}.tabs{display:flex;gap:8px;overflow:auto;margin:0 0 18px;padding-bottom:3px}.chip{border:1px solid var(--line);background:rgba(255,255,255,.035);color:var(--muted);padding:10px 13px;border-radius:12px;cursor:pointer;white-space:nowrap}.chip.active{background:var(--green);color:#06120c;border-color:var(--green);font-weight:850}.session-head{display:flex;justify-content:space-between;gap:16px;align-items:start;margin-bottom:18px}.session-head h2{font-size:clamp(1.6rem,4vw,2.6rem);letter-spacing:-.05em;margin:5px 0}.meta{display:flex;gap:8px;flex-wrap:wrap}.meta span{padding:7px 10px;border-radius:99px;background:rgba(255,255,255,.055);font-size:.76rem;color:var(--muted)}.section-title{display:flex;justify-content:space-between;align-items:center;margin:22px 0 10px}.section-title h3{margin:0;font-size:1rem}.exercise{grid-template-columns:auto 1fr auto;margin-bottom:9px}.exercise-num{width:36px;height:36px;border-radius:12px;background:rgba(124,245,181,.08);display:grid;place-items:center;color:var(--green);font-weight:850}.exercise-actions{display:flex;gap:8px;align-items:center}.tiny{border:1px solid var(--line);background:rgba(255,255,255,.045);color:white;border-radius:10px;padding:7px 9px;cursor:pointer}.run-card{padding:16px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.025);margin-bottom:10px}.run-top{display:flex;justify-content:space-between;gap:12px}.run-type{display:flex;align-items:center;gap:11px}.run-icon{width:40px;height:40px;border-radius:13px;display:grid;place-items:center;background:rgba(121,167,255,.1)}.run-card h3{margin:0 0 4px}.week-strip{display:flex;gap:8px;overflow:auto;padding-bottom:6px;margin-bottom:16px}.photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.photo-card{overflow:hidden;border-radius:20px;border:1px solid var(--line);background:#0b0d12}.photo-card img{width:100%;display:block;aspect-ratio:3/4;object-fit:cover}.photo-card footer{padding:12px 14px;display:flex;justify-content:space-between;color:var(--muted)}.form-grid{display:grid;grid-template-columns:1fr 1fr auto;gap:10px}.input{width:100%;border:1px solid var(--line);background:rgba(255,255,255,.04);color:white;border-radius:13px;padding:12px}.log-row{display:grid;grid-template-columns:110px 1fr 1fr auto;gap:10px;padding:12px 0;border-bottom:1px solid var(--line);align-items:center}.empty{padding:34px;text-align:center;color:var(--muted);border:1px dashed var(--line);border-radius:18px}.mobile-nav{display:none}.modal{position:fixed;inset:0;background:rgba(0,0,0,.72);backdrop-filter:blur(12px);display:none;place-items:center;padding:18px;z-index:100}.modal.open{display:grid}.modal-card{width:min(560px,100%);max-height:88vh;overflow:auto;background:#131821;border:1px solid var(--line);border-radius:24px;padding:24px;position:relative;box-shadow:var(--shadow)}.modal-close{position:absolute;right:13px;top:13px;width:36px;height:36px;border-radius:11px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:#fff;cursor:pointer;font-size:1.3rem}.timer-display{font-size:4rem;font-weight:900;letter-spacing:-.08em;text-align:center;margin:28px 0}.timer-controls{display:flex;justify-content:center;gap:10px}.callout{padding:14px;border-left:3px solid var(--orange);background:rgba(255,191,105,.08);border-radius:0 14px 14px 0;color:#f4dfc2}#toast{position:fixed;right:22px;bottom:22px;background:#fff;color:#0c1016;padding:11px 14px;border-radius:13px;font-weight:750;transform:translateY(100px);opacity:0;transition:.25s;z-index:120}#toast.show{transform:none;opacity:1}
@media(max-width:900px){.app-shell{display:block}.sidebar{display:none}.main{padding:22px 16px 100px}.mobile-nav{display:flex;position:fixed;z-index:50;left:10px;right:10px;bottom:10px;padding:8px;justify-content:space-around;border:1px solid var(--line);border-radius:20px;background:rgba(13,16,23,.86);backdrop-filter:blur(22px);box-shadow:var(--shadow)}.mobile-nav .nav-btn{padding:8px 10px;flex-direction:column;gap:3px;font-size:.64rem;border-radius:13px}.mobile-nav .nav-icon{font-size:1.15rem}.grid.three{grid-template-columns:1fr 1fr}.photo-grid{grid-template-columns:1fr}.topbar{margin-bottom:20px}.topbar h1{font-size:2rem}}
@media(max-width:620px){.grid.two,.grid.three{grid-template-columns:1fr}.hero-title{font-size:3.2rem}.ring{width:132px;height:132px}.form-grid{grid-template-columns:1fr}.log-row{grid-template-columns:80px 1fr auto}.log-row .log-value{grid-column:2}.session-head{display:block}.exercise{grid-template-columns:auto 1fr}.exercise-actions{grid-column:2}.card{padding:18px}}


/* Project 47 v0.2 — 5K Lab */
.grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.page-actions{display:flex;justify-content:flex-end;margin-bottom:14px}
.interactive{cursor:pointer;transition:transform .2s,border-color .2s}
.interactive:hover{transform:translateY(-2px);border-color:rgba(124,245,181,.25)}
.fivek-layout{grid-template-columns:minmax(300px,.75fr) minmax(0,1.6fr)}
.fivek-form{display:flex;flex-direction:column;gap:14px}
.fivek-form label{display:flex;flex-direction:column;gap:7px;color:var(--muted);font-size:.8rem;font-weight:700}
.fivek-form label span{display:flex;justify-content:space-between;align-items:center}
.fivek-form em{font-style:normal;font-weight:500;opacity:.65}
.time-pair{display:grid;grid-template-columns:1fr auto 1fr;align-items:end;gap:10px}
.time-colon{font-size:2.2rem;font-weight:900;padding-bottom:6px;color:var(--muted)}
.time-input{font-size:2rem;font-weight:900;text-align:center;letter-spacing:-.05em}
.textarea{min-height:92px;resize:vertical;font-family:inherit}
.wide{width:100%}
.two-fields{grid-template-columns:1fr 1fr}
.chart-card h2,.fivek-form+h2{margin-top:6px}
.chart-wrap{margin-top:8px}
.chart-wrap svg{width:100%;height:auto;display:block;overflow:visible}
.chart-grid{stroke:rgba(255,255,255,.08);stroke-width:1}
.chart-label{fill:#7f8999;font-size:12px}
.chart-line{fill:none;stroke:var(--green);stroke-width:5;stroke-linecap:round;stroke-linejoin:round;filter:drop-shadow(0 7px 10px rgba(124,245,181,.18))}
.chart-dot{fill:#121720;stroke:var(--green);stroke-width:4}
.chart-dot.pb{fill:var(--green);stroke:#fff}
.chart-foot{display:flex;justify-content:space-between;color:var(--muted);font-size:.72rem;margin-top:-5px}
.chart-empty{min-height:260px;border:1px dashed var(--line);border-radius:18px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;color:var(--muted);gap:7px;padding:24px}
.chart-empty strong{color:white;font-size:1.05rem}
.trend-pill,.delta{padding:7px 10px;border-radius:99px;background:rgba(255,255,255,.055);color:var(--muted);font-size:.73rem;font-weight:800;white-space:nowrap}
.trend-pill.good,.delta.good{background:rgba(124,245,181,.1);color:var(--green)}
.trend-pill.down,.delta.down{background:rgba(255,114,133,.1);color:var(--danger)}
.fivek-row{display:grid;grid-template-columns:minmax(160px,1.4fr) repeat(3,minmax(85px,.7fr)) auto auto auto;gap:14px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}
.fivek-row:last-child{border-bottom:0}
.run-date strong,.run-date span,.row-label{display:block}
.run-date span,.row-label{font-size:.72rem;color:var(--muted);margin-top:3px}
.row-time{font-size:1.18rem}
.run-notes{grid-column:1/-1;color:var(--muted);font-size:.82rem;padding:8px 12px;background:rgba(255,255,255,.025);border-radius:10px}
.tiny.danger{color:#ff9aaa}
.record-inline{margin-top:12px}
select.input{appearance:auto}
@media(max-width:1100px){
  .grid.four{grid-template-columns:repeat(2,1fr)}
  .fivek-layout{grid-template-columns:1fr}
  .fivek-row{grid-template-columns:1.3fr repeat(3,.7fr) auto auto}
  .fivek-row .delta{grid-column:2}
}
@media(max-width:900px){
  .mobile-nav{overflow-x:auto;justify-content:flex-start}
  .mobile-nav .nav-btn{min-width:62px;flex:0 0 auto}
}
@media(max-width:680px){
  .grid.four{grid-template-columns:1fr 1fr}
  .two-fields{grid-template-columns:1fr}
  .fivek-row{grid-template-columns:1.25fr 1fr auto auto}
  .fivek-row>div:nth-child(3),.fivek-row>div:nth-child(4){display:none}
  .fivek-row .delta{grid-column:auto}
}
@media(max-width:430px){
  .grid.four{grid-template-columns:1fr}
  .fivek-row{grid-template-columns:1fr auto auto}
  .fivek-row>div:nth-child(2){grid-column:1}
  .fivek-row .delta{grid-column:2}
}


/* Project 47 v0.3 — private transformation checkpoints */
.photo-hero{display:flex;justify-content:space-between;align-items:center;gap:20px}
.privacy-lock{width:108px;height:108px;border-radius:30px;display:grid;place-items:center;text-align:center;font-weight:900;letter-spacing:.1em;background:linear-gradient(145deg,rgba(124,245,181,.18),rgba(111,168,255,.12));border:1px solid rgba(124,245,181,.22);color:var(--green);flex:0 0 auto}
.privacy-lock span{font-size:.56rem;color:var(--muted)}
.checkpoint-stack{display:grid;gap:18px;margin-top:18px}
.checkpoint-status{padding:7px 10px;border-radius:99px;background:rgba(255,255,255,.06);color:var(--muted);font-size:.75rem;font-weight:800}
.checkpoint-status.complete{background:rgba(124,245,181,.1);color:var(--green)}
.checkpoint-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:18px}
.checkpoint-summary div{padding:13px;border-radius:15px;background:rgba(255,255,255,.035);border:1px solid var(--line)}
.checkpoint-summary span,.checkpoint-summary strong{display:block}.checkpoint-summary span{font-size:.69rem;color:var(--muted);margin-bottom:5px}.checkpoint-summary strong{font-size:1.05rem}
.checkpoint-fields{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:16px}
.checkpoint-fields label,.compare-controls label{display:flex;flex-direction:column;gap:7px;color:var(--muted);font-size:.75rem;font-weight:700}
.checkpoint-fields em{font-style:normal;opacity:.65;font-weight:500}
.cp-notes{grid-column:1/-1}
.private-photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.private-photo-slot{border:1px solid var(--line);background:rgba(255,255,255,.022);border-radius:18px;overflow:hidden}
.slot-preview{aspect-ratio:3/4;position:relative;background:#0b0e14;overflow:hidden}
.slot-preview img{width:100%;height:100%;object-fit:cover;display:block}
.slot-placeholder{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;color:var(--muted);text-align:center;padding:18px}
.slot-placeholder strong{color:white;font-size:1.05rem}
.private-badge{position:absolute;left:10px;bottom:10px;padding:6px 9px;border-radius:99px;background:rgba(8,12,16,.78);backdrop-filter:blur(8px);font-size:.67rem;color:var(--green);font-weight:800}
.slot-actions{display:flex;gap:8px;padding:10px}.slot-actions>*{flex:1;text-align:center}
.file-label,.backup-import{cursor:pointer;display:block}
.private-confirmation{margin-top:13px;padding:11px 13px;border-radius:13px;background:rgba(124,245,181,.06);border:1px solid rgba(124,245,181,.1);color:#bdeed1;font-size:.76rem;line-height:1.5}
.compare-controls{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px}
.compare-stage{aspect-ratio:3/4;max-height:570px;margin:auto;position:relative;overflow:hidden;border-radius:18px;background:#080b10;border:1px solid var(--line)}
.compare-base,.compare-overlay img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.compare-overlay{position:absolute;inset:0 auto 0 0;width:50%;overflow:hidden;border-right:2px solid white}
.compare-overlay img{width:100vw;max-width:none}
.compare-empty{height:100%;display:grid;place-items:center;text-align:center;color:var(--muted);padding:30px}
.compare-tag{position:absolute;top:12px;padding:6px 9px;border-radius:99px;background:rgba(5,8,12,.72);font-size:.7rem;font-weight:800}.compare-tag.before{left:12px}.compare-tag.after{right:12px}
.compare-range{display:grid;grid-template-columns:auto 1fr auto;gap:10px;align-items:center;color:var(--muted);font-size:.72rem;margin-top:12px}
.compare-range input{width:100%;accent-color:var(--green)}
.backup-import{margin-top:10px}
@media(max-width:900px){.checkpoint-fields{grid-template-columns:1fr 1fr}.private-photo-grid{grid-template-columns:1fr}.slot-preview{aspect-ratio:4/5;max-height:540px}.compare-overlay img{width:100vw}}
@media(max-width:600px){.photo-hero{align-items:flex-start}.privacy-lock{width:82px;height:82px;border-radius:22px}.checkpoint-summary,.checkpoint-fields,.compare-controls{grid-template-columns:1fr}.cp-notes{grid-column:auto}}

/* Project 47 v0.4 — D1 cloud sync */
.sync-status{font-size:.72rem;font-weight:800;color:var(--muted);padding:8px 11px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);white-space:nowrap}
.sync-status.synced{color:var(--green);background:rgba(124,245,181,.08);border-color:rgba(124,245,181,.14)}
.sync-status.saving{color:#c9d9ff;background:rgba(111,168,255,.08)}
.sync-status.offline,.sync-status.error{color:#ffd39a;background:rgba(255,187,94,.08)}
.login-screen{position:fixed;inset:0;z-index:1000;display:grid;place-items:center;padding:20px;background:radial-gradient(circle at 20% 5%,rgba(111,168,255,.2),transparent 35%),radial-gradient(circle at 90% 20%,rgba(124,245,181,.14),transparent 32%),#080a0f}
.login-screen[hidden]{display:none}
.login-card{width:min(430px,100%);padding:30px;border-radius:28px;background:linear-gradient(145deg,rgba(27,34,48,.96),rgba(14,18,27,.98));border:1px solid rgba(255,255,255,.1);box-shadow:0 35px 100px rgba(0,0,0,.55)}
.login-card h1{font-size:2.5rem;margin:.3rem 0 .8rem;letter-spacing:-.06em}
.login-logo{width:68px;height:68px;border-radius:21px;display:grid;place-items:center;font-size:1.55rem;font-weight:950;color:#06110c;background:linear-gradient(135deg,var(--green),#9dbdff);box-shadow:0 18px 38px rgba(124,245,181,.15);margin-bottom:22px}
.login-card form{display:flex;flex-direction:column;gap:14px;margin-top:22px}
.login-card label{display:flex;flex-direction:column;gap:7px;color:var(--muted);font-size:.78rem;font-weight:750}
.login-error{min-height:1.2em;color:#ff9aaa;font-size:.8rem;margin:12px 0 0}
.account-menu{display:flex;flex-direction:column;gap:10px}
.account-menu .sync-explain{padding:12px;border-radius:14px;background:rgba(255,255,255,.04);color:var(--muted);font-size:.8rem;line-height:1.5}
@media(max-width:600px){.sync-status{max-width:95px;overflow:hidden;text-overflow:ellipsis}.login-card{padding:24px}}