:root{
  --bg:#f4f6fb; --surface:#ffffff; --surface2:#f0f2f7;
  --text:#12141c; --muted:#6b7280; --line:#e6e9f0;
  --accent:#ff4d4f; --accent-d:#e23b3d; --blue:#3b82f6;
  --green:#16a34a; --amber:#f59e0b; --violet:#7c3aed;
  --radius:18px; --shadow:0 6px 24px rgba(20,30,60,.07);
  --nav-h:64px; --max:440px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,sans-serif;
  background:var(--bg); color:var(--text); -webkit-font-smoothing:antialiased;
  line-height:1.45;
}
#app{max-width:var(--max);margin:0 auto;min-height:100vh;background:var(--bg);position:relative}
.view{padding:calc(18px + env(safe-area-inset-top)) 16px calc(var(--nav-h) + 24px + env(safe-area-inset-bottom))}
h1{font-size:22px;font-weight:800;letter-spacing:-.02em}
h2{font-size:17px;font-weight:700;margin:2px 0}
h3{font-size:14px;font-weight:700}
.muted{color:var(--muted)}
.small{font-size:12px}
.tiny{font-size:11px}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select,textarea{font-family:inherit;font-size:15px;width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--surface);color:var(--text)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent)}
label{display:block;font-size:12px;font-weight:600;color:var(--muted);margin:0 0 6px 2px;text-transform:uppercase;letter-spacing:.04em}
.field{margin-bottom:14px}

/* cards */
.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px;margin-bottom:14px}
.card-h{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px}
.row{display:flex;gap:10px}
.row.wrap{flex-wrap:wrap}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.between{display:flex;align-items:center;justify-content:space-between}
.center{display:flex;align-items:center;justify-content:center}
.gap6{gap:6px}.gap10{gap:10px}
.mt8{margin-top:8px}.mt16{margin-top:16px}.mb8{margin-bottom:8px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:#fff;font-weight:700;font-size:15px;padding:13px 18px;border-radius:14px;width:100%;transition:transform .06s,filter .15s}
.btn:active{transform:scale(.98)}
.btn:hover{filter:brightness(1.03)}
.btn.ghost{background:var(--surface2);color:var(--text)}
.btn.dark{background:#12141c}
.btn.sm{width:auto;padding:9px 14px;font-size:13px;border-radius:11px}
.btn.blue{background:var(--blue)}
.btn.green{background:var(--green)}
.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:var(--surface2);font-size:13px;font-weight:600;cursor:pointer;border:1.5px solid transparent}
.chip.on{background:#fff;border-color:var(--accent);color:var(--accent-d)}
.pill{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:700}
.pill.red{background:#ffe9e9;color:var(--accent-d)}
.pill.blue{background:#e6f0ff;color:var(--blue)}
.pill.green{background:#e6f7ec;color:var(--green)}

/* header greeting */
.greet{font-size:14px;color:var(--muted);font-weight:600}
.greet b{color:var(--text)}
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.avatar{width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--violet));color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}

/* macros */
.macro{margin-bottom:12px}
.macro .between{margin-bottom:6px}
.macro .val{font-weight:700;font-size:13px}
.bar{height:9px;border-radius:999px;background:var(--surface2);overflow:hidden}
.bar>i{display:block;height:100%;border-radius:999px;transition:width .4s}
.bar.kcal>i{background:linear-gradient(90deg,#ff8a4d,var(--accent))}
.bar.prot>i{background:var(--blue)}
.bar.carb>i{background:var(--amber)}
.bar.fat>i{background:var(--violet)}

/* task list */
.task{display:flex;align-items:center;gap:12px;padding:12px 4px;border-bottom:1px solid var(--line)}
.task:last-child{border-bottom:none}
.task .ic{font-size:20px;width:26px;text-align:center}
.task .tx{flex:1}
.task .tx b{font-size:14px}
.task .tx .small{color:var(--muted)}
.task .st{font-size:12px;font-weight:700}
.task .st.done{color:var(--green)}
.check{width:22px;height:22px;border-radius:50%;border:2px solid var(--line);display:flex;align-items:center;justify-content:center;font-size:12px;color:#fff}
.check.on{background:var(--green);border-color:var(--green)}

/* nav */
.nav{position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:var(--max);height:calc(var(--nav-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:rgba(255,255,255,.92);backdrop-filter:blur(14px);border-top:1px solid var(--line);display:flex;z-index:50}
.nav button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;color:var(--muted);font-size:10px;font-weight:600}
.nav button .ni{font-size:20px;line-height:1}
.nav button.on{color:var(--accent)}
.nav .fab{position:relative;top:-14px}
.nav .fab .ni{width:48px;height:48px;border-radius:50%;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(255,77,79,.4);font-size:24px}

/* bodymap */
.bodymap-wrap{display:flex;gap:8px;justify-content:center}
.bodymap-col{flex:1;display:flex;flex-direction:column;align-items:center}
.bm-caption{font-size:10px;font-weight:800;letter-spacing:.1em;color:var(--muted);margin-bottom:2px}
.bodymap{width:100%;height:auto;max-height:300px}
.bm-base{fill:#dfe3ec}
.bm-muscles path[data-muscle]{fill:#c7ccd8;stroke:#fff;stroke-width:1;transition:fill .3s}
.bm-muscles path.bm-secondary{fill:var(--blue)}
.bm-muscles path.bm-primary{fill:var(--accent)}
.legend{display:flex;gap:14px;justify-content:center;margin-top:8px;font-size:11px;font-weight:600}
.legend i{display:inline-block;width:11px;height:11px;border-radius:3px;margin-right:5px;vertical-align:-1px}

/* onboarding */
.ob{padding:24px 20px;min-height:100vh;display:flex;flex-direction:column}
.ob-progress{height:6px;background:var(--surface2);border-radius:999px;margin-bottom:24px;overflow:hidden}
.ob-progress>i{display:block;height:100%;background:var(--accent);transition:width .3s}
.ob h1{margin-bottom:6px}
.ob .sub{color:var(--muted);margin-bottom:20px;font-size:14px}
.ob-body{flex:1}
.ob-foot{padding-top:16px}

/* meals */
.meal-block{margin-bottom:6px}
.meal-item{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}
.meal-item:last-child{border-bottom:none}
.meal-item .mi-name{flex:1}
.meal-item .mi-kcal{font-weight:700}
.del{color:var(--accent);font-size:12px;font-weight:700;cursor:pointer}

/* exercise exec */
.setrow{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.setrow .sidx{width:22px;font-weight:700;color:var(--muted);font-size:13px}
.setrow input{padding:9px;text-align:center;font-size:14px}
.setrow .mk{width:40px;height:40px;border-radius:11px;background:var(--surface2);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.setrow .mk.on{background:var(--green);color:#fff}
.timer{font-size:44px;font-weight:800;text-align:center;letter-spacing:-.02em}

/* feed */
.feed-item{display:flex;gap:12px;padding:14px 0;border-bottom:1px solid var(--line)}
.feed-item:last-child{border-bottom:none}
.feed-av{width:38px;height:38px;border-radius:50%;background:var(--surface2);display:flex;align-items:center;justify-content:center;font-weight:800;color:var(--muted);flex-shrink:0}
.feed-b{flex:1}
.feed-act{display:flex;gap:16px;margin-top:6px;color:var(--muted);font-size:12px;font-weight:600}

/* leaderboard */
.lb-row{display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--line)}
.lb-row:last-child{border-bottom:none}
.lb-row.me{background:#fff5f5;margin:0 -8px;padding:11px 8px;border-radius:10px}
.lb-pos{width:28px;font-weight:800;text-align:center}
.lb-pts{font-weight:800}

/* chat */
.chat{display:flex;flex-direction:column;gap:10px;padding-bottom:8px}
.msg{max-width:82%;padding:10px 14px;border-radius:16px;font-size:14px;line-height:1.4}
.msg.user{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}
.msg.assistant{align-self:flex-start;background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:4px}
.chat-input{position:fixed;bottom:calc(var(--nav-h) + env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);width:100%;max-width:var(--max);display:flex;gap:8px;padding:10px 12px;background:var(--bg);border-top:1px solid var(--line)}
.chat-input input{border-radius:999px}
.chat-input button{width:46px;height:46px;border-radius:50%;background:var(--accent);color:#fff;flex-shrink:0;font-size:18px}
.suggest{display:flex;gap:8px;overflow-x:auto;padding:4px 0 10px}
.suggest .chip{white-space:nowrap;flex-shrink:0}

/* badges */
.badge{display:flex;flex-direction:column;align-items:center;gap:4px;text-align:center}
.badge .bico{width:54px;height:54px;border-radius:16px;background:var(--surface2);display:flex;align-items:center;justify-content:center;font-size:26px}
.badge.on .bico{background:linear-gradient(135deg,#fff0d6,#ffe0b3)}
.badge.off{opacity:.35;filter:grayscale(1)}
.badge span{font-size:10px;font-weight:600;line-height:1.1}

/* stats */
.stat{text-align:center;padding:12px 6px;background:var(--surface2);border-radius:14px}
.stat .n{font-size:22px;font-weight:800}
.stat .l{font-size:11px;color:var(--muted);font-weight:600}

/* segmented */
.seg{display:flex;background:var(--surface2);border-radius:12px;padding:4px;gap:4px;margin-bottom:14px}
.seg button{flex:1;padding:8px;border-radius:9px;font-size:13px;font-weight:700;color:var(--muted)}
.seg button.on{background:#fff;color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.06)}

/* modal */
.modal-bg{position:fixed;inset:0;background:rgba(10,15,30,.45);z-index:100;display:flex;align-items:flex-end;justify-content:center}
.modal{background:var(--surface);width:100%;max-width:var(--max);border-radius:22px 22px 0 0;padding:20px 18px 26px;max-height:86vh;overflow-y:auto;animation:up .25s}
@keyframes up{from{transform:translateY(40px);opacity:.6}to{transform:translateY(0);opacity:1}}
.modal-handle{width:40px;height:4px;background:var(--line);border-radius:2px;margin:0 auto 16px}
.list-pick{max-height:280px;overflow-y:auto}
.pick{display:flex;justify-content:space-between;align-items:center;padding:11px 4px;border-bottom:1px solid var(--line);cursor:pointer}
.pick:active{background:var(--surface2)}

.empty{text-align:center;padding:34px 20px;color:var(--muted)}
.empty .ei{font-size:40px;margin-bottom:8px}
.donut-wrap{position:relative}
canvas{max-width:100%}
.disc{font-size:11px;color:var(--muted);background:var(--surface2);padding:9px 12px;border-radius:10px;margin-top:10px}

/* ===== LANDING / HOMEPAGE ===== */
.land{min-height:100vh;padding-bottom:40px}
.land-hero{position:relative;background:linear-gradient(160deg,#ff5a5f 0%,#e23b3d 55%,#c0272a 100%);color:#fff;padding:calc(38px + env(safe-area-inset-top)) 24px 46px;border-radius:0 0 34px 34px;overflow:hidden}
.land-hero:before{content:"";position:absolute;top:-60px;right:-40px;width:200px;height:200px;background:rgba(255,255,255,.12);border-radius:50%}
.land-hero:after{content:"";position:absolute;bottom:-70px;left:-50px;width:180px;height:180px;background:rgba(255,255,255,.08);border-radius:50%}
.land-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;position:relative;z-index:1}
.land-logo .lg-ic{width:34px;height:34px;border-radius:10px;background:#fff;display:flex;align-items:center;justify-content:center;font-size:18px}
.land-hero h1{font-size:31px;line-height:1.12;margin:22px 0 12px;position:relative;z-index:1;letter-spacing:-.02em}
.land-hero h1 em{font-style:normal;background:#fff;color:var(--accent-d);padding:0 8px;border-radius:8px;display:inline-block}
.land-hero p{font-size:15px;opacity:.95;position:relative;z-index:1;max-width:88%}
.land-hero .land-cta{margin-top:22px;position:relative;z-index:1}
.land-hero .land-cta .btn{background:#fff;color:var(--accent-d);font-weight:800;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.land-hero .land-note{margin-top:10px;font-size:12px;opacity:.9;position:relative;z-index:1;text-align:center}
.land-sec{padding:26px 20px 0}
.land-sec h2{font-size:20px;letter-spacing:-.02em;margin-bottom:4px}
.land-sec .lead{color:var(--muted);font-size:14px;margin-bottom:16px}
.land-feat{display:flex;gap:13px;align-items:flex-start;background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);padding:15px;margin-bottom:12px}
.land-feat .lf-ic{width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;font-size:22px;flex-shrink:0;background:var(--surface2)}
.land-feat h3{font-size:15px;margin-bottom:3px}
.land-feat p{font-size:13px;color:var(--muted);line-height:1.4}
.land-steps{counter-reset:s;margin-top:6px}
.land-step{display:flex;gap:14px;align-items:flex-start;padding:10px 0}
.land-step .ls-n{width:30px;height:30px;border-radius:50%;background:var(--accent);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center;font-size:14px;flex-shrink:0}
.land-step b{font-size:14px}.land-step p{font-size:13px;color:var(--muted)}
.land-quote{background:linear-gradient(135deg,#12141c,#2a2d3a);color:#fff;border-radius:var(--radius);padding:20px;margin:8px 20px 0;text-align:center}
.land-quote .lq-big{font-size:16px;font-weight:700;line-height:1.4}
.land-quote .lq-sub{opacity:.7;font-size:12px;margin-top:8px}
.land-final{padding:26px 20px 10px;text-align:center}
.land-final h2{font-size:22px;margin-bottom:6px}
.land-final p{color:var(--muted);font-size:14px;margin-bottom:16px}
.land-foot{text-align:center;color:var(--muted);font-size:11px;padding:20px}
.land-badges{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:14px}
.land-badges span{background:var(--surface2);border-radius:999px;padding:6px 12px;font-size:12px;font-weight:600}