:root{
  --bg:#0B0C0F; --bg2:#121419; --card:#171A20; --card2:#1E222A; --line:#272B34;
  --text:#F5F3EE; --muted:#9097A3; --dim:#636a76;
  --ember:#FF7A1A; --ember2:#FFC93D; --red:#FF3D2E; --green:#3DDC84; --blue:#4DA3FF; --violet:#B48CFF;
  --grad:linear-gradient(135deg,#FF3D2E 0%,#FF7A1A 55%,#FFC93D 100%);
  --r:20px; --safe-b:env(safe-area-inset-bottom,0px); --safe-t:env(safe-area-inset-top,0px);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.4}
body{min-height:100vh;overscroll-behavior-y:none}
button{font:inherit;color:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font:inherit;font-size:16px;color:var(--text);background:var(--bg2);border:1px solid var(--line);border-radius:14px;padding:13px 14px;width:100%;outline:none}
input:focus,select:focus{border-color:var(--ember)}
label{display:block;font-size:13px;color:var(--muted);margin:14px 0 6px;font-weight:600}
.display{font-family:Anton,Impact,sans-serif;letter-spacing:.5px;text-transform:uppercase;font-weight:400}

/* layout */
.shell{max-width:560px;margin:0 auto;padding:calc(var(--safe-t) + 14px) 16px calc(96px + var(--safe-b))}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.brand{display:flex;align-items:center;gap:10px}
.brand img{width:36px;height:36px;border-radius:10px}
.brand .display{font-size:26px;line-height:1}
.brand .display span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:16px;color:#0B0C0F;flex:none}
.user-pill{display:flex;align-items:center;gap:8px;background:var(--card);border:1px solid var(--line);padding:4px 12px 4px 4px;border-radius:999px;font-weight:600;font-size:14px}
.user-pill .avatar{width:32px;height:32px;font-size:13px}

h1{font-size:34px;margin:0 0 4px;line-height:1.05}
h2{font-size:20px;margin:26px 0 12px}
.sub{color:var(--muted);font-size:14px;margin:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:12px}
.row{display:flex;align-items:center;gap:12px}
.between{justify-content:space-between}
.grow{flex:1;min-width:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.muted{color:var(--muted)} .small{font-size:13px}
.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;padding:4px 9px;border-radius:999px;background:var(--card2);color:var(--muted)}
.tag.hot{background:rgba(255,122,26,.15);color:var(--ember)}
.tag.ok{background:rgba(61,220,132,.14);color:var(--green)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 18px;border-radius:16px;font-weight:700;background:var(--card2);border:1px solid var(--line);width:100%}
.btn.primary{background:var(--grad);color:#120a05;border:0}
.btn.ghost{background:transparent}
.btn.danger{color:var(--red)}
.btn:active{transform:scale(.98)}
.btn.sm{padding:9px 13px;border-radius:12px;font-size:14px;width:auto}
.icon-btn{width:40px;height:40px;border-radius:12px;background:var(--card2);border:1px solid var(--line);display:grid;place-items:center;font-size:20px;font-weight:700}

/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(120% 140% at 100% 0%,rgba(255,122,26,.35),transparent 55%),var(--card);border:1px solid var(--line);border-radius:24px;padding:20px;margin-bottom:12px}
.hero .display{font-size:40px;line-height:.95;margin:8px 0 6px}
.hero .meta{display:flex;gap:16px;margin-top:14px;color:var(--muted);font-size:13px}
.hero .meta b{color:var(--text);font-size:18px;display:block}
.hero .bar{height:8px;background:rgba(255,255,255,.08);border-radius:99px;margin-top:16px;overflow:hidden}
.hero .bar i{display:block;height:100%;background:var(--grad);border-radius:99px;transition:width .4s}

/* week strip */
.week{display:grid;grid-template-columns:repeat(7,1fr);gap:6px;margin-bottom:14px}
.week button{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:8px 0 9px;text-align:center}
.week button .d{font-size:11px;color:var(--muted);font-weight:700;text-transform:uppercase}
.week button .n{font-size:16px;font-weight:800;margin-top:2px}
.week button .dot{width:6px;height:6px;border-radius:50%;margin:5px auto 0;background:transparent}
.week button.rest .dot{background:var(--dim)}
.week button.done .dot{background:var(--green)}
.week button.on{background:var(--grad);border-color:transparent;color:#120a05}
.week button.on .d{color:#3a1b06}
.week button.today:not(.on){border-color:var(--ember)}

/* exercise */
.ex{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:10px;transition:border-color .2s}
.ex.complete{border-color:rgba(61,220,132,.5)}
.ex-head{display:flex;gap:12px;align-items:flex-start}
.ex-num{width:34px;height:34px;border-radius:11px;background:var(--card2);display:grid;place-items:center;font-weight:800;font-size:14px;color:var(--muted);flex:none}
.ex.complete .ex-num{background:var(--green);color:#06210f}
.ex-title{font-weight:700;font-size:17px}
.ex-sub{color:var(--muted);font-size:13px;margin-top:2px}
.load{display:flex;align-items:center;gap:8px;margin-top:14px}
.load .val{flex:1;text-align:center;background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:8px 0}
.load .val b{font-size:22px} .load .val small{color:var(--muted);font-size:12px;margin-left:3px}
.sets{display:flex;gap:8px;margin-top:12px}
.set{flex:1;padding:11px 0;border-radius:12px;background:var(--bg2);border:1px dashed var(--line);font-weight:700;font-size:14px;color:var(--muted)}
.set.on{background:rgba(61,220,132,.15);border:1px solid var(--green);color:var(--green)}
.howto{margin-top:12px;font-size:14px;color:var(--muted);background:var(--bg2);border-radius:12px;padding:10px 12px;display:none}
.ex.open .howto{display:block}
.link{color:var(--ember);font-weight:600;font-size:13px;margin-top:10px}
.feel{display:flex;gap:6px;margin-top:12px}
.feel button{flex:1;padding:9px 0;border-radius:12px;background:var(--bg2);border:1px solid var(--line);font-size:13px;font-weight:600;color:var(--muted)}
.feel button.on{border-color:var(--ember);color:var(--text);background:rgba(255,122,26,.12)}

/* rest */
.rest-card{text-align:center;padding:40px 20px}
.rest-card .big{font-size:56px}

/* ring */
.ring-wrap{display:flex;align-items:center;gap:18px}
.ring{position:relative;width:132px;height:132px;flex:none}
.ring svg{transform:rotate(-90deg)}
.ring .c{position:absolute;inset:0;display:grid;place-items:center;text-align:center}
.ring .c b{font-size:26px;display:block;line-height:1}
.ring .c small{color:var(--muted);font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.macro{margin-bottom:10px}
.macro .lbl{display:flex;justify-content:space-between;font-size:13px;margin-bottom:5px}
.macro .lbl span{color:var(--muted)}
.macro .track{height:7px;border-radius:99px;background:var(--bg2);overflow:hidden}
.macro .track i{display:block;height:100%;border-radius:99px}

.food-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.food-item:first-of-type{border-top:0}
.food-item .ico{width:40px;height:40px;border-radius:12px;background:var(--card2);display:grid;place-items:center;font-size:20px;flex:none;overflow:hidden}
.food-item .ico img{width:100%;height:100%;object-fit:cover}
.food-item .kcal{font-weight:800}
.meal-h{display:flex;justify-content:space-between;align-items:center;margin:18px 0 4px}
.meal-h b{font-size:15px} .meal-h span{color:var(--muted);font-size:13px}

.snap{display:flex;align-items:center;gap:14px;padding:16px;border-radius:var(--r);background:linear-gradient(135deg,rgba(255,61,46,.18),rgba(255,201,61,.12));border:1px solid rgba(255,122,26,.4);margin-bottom:12px;width:100%;text-align:left}
.snap .cam{width:48px;height:48px;border-radius:14px;background:var(--grad);display:grid;place-items:center;font-size:24px;flex:none}

.stat{background:var(--card);border:1px solid var(--line);border-radius:18px;padding:14px}
.stat small{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.5px}
.stat b{display:block;font-size:26px;margin-top:4px}
.stat b em{font-style:normal;font-size:13px;color:var(--muted);font-weight:600;margin-left:3px}

/* tab bar */
.tabbar{position:fixed;left:0;right:0;bottom:0;z-index:20;background:rgba(11,12,15,.86);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-top:1px solid var(--line);padding:8px 10px calc(8px + var(--safe-b))}
.tabbar .in{max-width:560px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr)}
.tab{display:flex;flex-direction:column;align-items:center;gap:3px;padding:6px 0;color:var(--dim);font-size:11px;font-weight:700}
.tab svg{width:24px;height:24px}
.tab.on{color:var(--ember)}

/* sheet */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:40;animation:fade .2s}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:41;background:var(--bg2);border-top-left-radius:26px;border-top-right-radius:26px;border:1px solid var(--line);max-height:92vh;overflow:auto;padding:10px 18px calc(22px + var(--safe-b));animation:up .25s cubic-bezier(.2,.9,.3,1)}
.sheet .in{max-width:560px;margin:0 auto}
.sheet .grab{width:40px;height:5px;border-radius:9px;background:var(--line);margin:0 auto 14px}
.sheet h3{font-size:22px;margin:0 0 4px}
@keyframes up{from{transform:translateY(100%)}to{transform:none}}
@keyframes fade{from{opacity:0}to{opacity:1}}

.choices{display:flex;gap:8px;flex-wrap:wrap}
.choice{padding:10px 14px;border-radius:12px;background:var(--card);border:1px solid var(--line);font-weight:600;font-size:14px}
.choice.on{border-color:var(--ember);background:rgba(255,122,26,.14)}
.colors{display:flex;gap:10px}
.colors button{width:34px;height:34px;border-radius:50%;border:3px solid transparent}
.colors button.on{border-color:var(--text)}

.user-row{display:flex;align-items:center;gap:12px;padding:12px;border-radius:16px;background:var(--card);border:1px solid var(--line);margin-bottom:8px;width:100%;text-align:left}
.user-row.on{border-color:var(--ember)}

.spinner{width:46px;height:46px;border-radius:50%;border:4px solid var(--line);border-top-color:var(--ember);animation:spin 1s linear infinite;margin:20px auto}
@keyframes spin{to{transform:rotate(360deg)}}
.preview{width:100%;max-height:240px;object-fit:cover;border-radius:16px;margin:12px 0}
.est-item{display:grid;grid-template-columns:1fr 84px 32px;gap:8px;align-items:center;margin-bottom:8px}
.est-item input{padding:10px 12px}

#toast{position:fixed;left:50%;bottom:calc(100px + var(--safe-b));transform:translateX(-50%) translateY(20px);background:var(--text);color:var(--bg);padding:12px 18px;border-radius:14px;font-weight:700;font-size:14px;opacity:0;pointer-events:none;transition:.25s;z-index:60;max-width:90vw;text-align:center}
#toast.show{opacity:1;transform:translateX(-50%)}

/* welcome */
.welcome{min-height:100vh;display:flex;flex-direction:column;justify-content:center;padding:calc(var(--safe-t) + 30px) 24px calc(30px + var(--safe-b));max-width:520px;margin:0 auto;text-align:center;background:radial-gradient(70% 50% at 50% 30%,rgba(255,122,26,.22),transparent 70%)}
.welcome img{width:120px;height:120px;border-radius:30px;margin:0 auto 22px;box-shadow:0 20px 60px rgba(255,122,26,.35)}
.welcome .display{font-size:64px;line-height:.9}
.welcome .display span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.welcome p{color:var(--muted);margin:12px 0 30px}
.chart{width:100%;height:150px}
.empty{color:var(--muted);text-align:center;padding:18px 0;font-size:14px}