:root{
  --emerald:#059669; --emerald-d:#047857; --emerald-l:#d1fae5; --emerald-bg:#ecfdf5;
  --dark:#0f172a;
  --prot:#65a30d; --fat:#d97706; --carb:#8b5cf6; --fib:#0e7490;
  --bg:#eef2f6; --card:#ffffff; --line:#e7ecf2; --ink:#0f172a; --muted:#64748b;
  --shadow:0 1px 2px rgba(15,23,42,.04),0 10px 26px rgba(15,23,42,.06);
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg); color:var(--ink); line-height:1.4;
  padding-bottom:calc(82px + env(safe-area-inset-bottom));
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,select{font-family:inherit;font-size:16px}
.hidden{display:none !important}
svg{display:block}

/* Header */
header.top{
  position:sticky;top:0;z-index:40;background:rgba(238,242,246,.9);
  backdrop-filter:blur(10px);
  padding:calc(env(safe-area-inset-top) + 12px) 18px 12px;
  display:flex;align-items:center;gap:12px;
}
header.top .logo{width:42px;height:42px;border-radius:12px;background:#fff;box-shadow:var(--shadow);
  display:grid;place-items:center;flex:0 0 auto}
header.top .logo img{width:30px;height:30px}
header.top .htxt .title{font-weight:800;letter-spacing:.5px;font-size:20px;line-height:1}
header.top .htxt .title span{color:var(--ink)}
header.top .htxt .date{font-size:13px;color:var(--muted);margin-top:3px}
header.top .htxt .date::first-letter{text-transform:uppercase}
header.top .gear{margin-left:auto;width:40px;height:40px;border-radius:12px;background:#fff;
  box-shadow:var(--shadow);display:grid;place-items:center;color:var(--muted)}
.dateinput{position:absolute;opacity:0;width:1px;height:1px;pointer-events:none}

main{max-width:560px;margin:0 auto;padding:6px 16px}
.screen{display:none;animation:fade .18s ease}
.screen.active{display:block}
@keyframes fade{from{opacity:0;transform:translateY(5px)}to{opacity:1;transform:none}}

.card{background:var(--card);border-radius:20px;box-shadow:var(--shadow);padding:18px;margin-bottom:14px}
.card h2{margin:0 0 14px;font-size:16px;font-weight:700}
.card h2.row{display:flex;align-items:center;justify-content:space-between}
.muted{color:var(--muted);font-size:13px}
.subtle{color:var(--muted);font-weight:400;font-size:12px}

/* Calorie ring card */
.ringcard{display:flex;align-items:center;gap:16px}
.ring{position:relative;width:118px;height:118px;flex:0 0 auto}
.ring svg{transform:rotate(-90deg)}
.ring .center{position:absolute;inset:0;display:grid;place-content:center;text-align:center}
.ring .center .big{font-size:30px;font-weight:800;line-height:1}
.ring .center .sub{font-size:11px;color:var(--muted);margin-top:3px}
.ringinfo{flex:1}
.ringinfo .lbl{font-size:13px;color:var(--muted)}
.ringinfo .val{font-size:30px;font-weight:800;margin-top:2px}
.ringinfo .val small{font-size:18px;color:var(--muted);font-weight:600}
.macros-mini{margin-top:14px}
.macro{margin-bottom:11px}
.macro:last-child{margin-bottom:0}
.macro .lab{display:flex;justify-content:space-between;font-size:12px;margin-bottom:5px}
.macro .lab b{font-weight:700}
.macro .lab .g{color:var(--muted);font-weight:500}
.macro[data-m="prot"] .lab b,.macro[data-m="prot"] .lab .g b{color:var(--prot)}
.macro[data-m="carb"] .lab b{color:var(--carb)}
.macro[data-m="fat"] .lab b{color:var(--fat)}
.macro[data-m="fib"] .lab b{color:var(--fib)}
.macro .lab .g b{font-weight:700;color:var(--ink)}
.bar{height:8px;border-radius:999px;background:#eef2f6;overflow:hidden}
.bar>i{display:block;height:100%;border-radius:999px;transition:width .5s cubic-bezier(.4,0,.2,1)}

/* Stat cards row */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:14px}
.stat{background:var(--card);border-radius:18px;box-shadow:var(--shadow);padding:14px 10px;text-align:center}
.stat .k{font-size:12px;color:var(--muted)}
.stat .v{font-size:20px;font-weight:800;margin-top:6px}
.stat .v.sm{font-size:15px}

/* Water */
.watercard{display:flex;align-items:center;gap:14px}
.watercard .winfo{flex:1}
.watercard .winfo .k{font-size:13px;color:var(--muted)}
.watercard .winfo .v{font-size:24px;font-weight:800;margin-top:2px}
.watercard .winfo .v small{font-size:15px;color:var(--muted);font-weight:600}
.rbtn{width:48px;height:48px;border-radius:50%;display:grid;place-items:center;font-size:24px;font-weight:700;flex:0 0 auto}
.rbtn.minus{background:#fff;border:1px solid var(--line);color:var(--muted);box-shadow:var(--shadow)}
.rbtn.plus{background:var(--emerald);color:#fff;box-shadow:0 6px 16px rgba(5,150,105,.35)}

/* Buttons */
.btn{border-radius:14px;padding:15px 16px;font-weight:700;font-size:15px;width:100%;
  display:flex;align-items:center;justify-content:center;gap:9px}
.btn:active{transform:translateY(1px)}
.btn-em{background:var(--emerald);color:#fff;box-shadow:0 8px 20px rgba(5,150,105,.28)}
.btn-dark{background:var(--dark);color:#fff}
.btn-white{background:#fff;color:var(--ink);box-shadow:var(--shadow)}
.btn-em-soft{background:var(--emerald-l);color:var(--emerald-d)}
.btn-sm{padding:9px 14px;font-size:13px;width:auto;border-radius:11px}
.btn svg{width:19px;height:19px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:14px}
.pill-new{background:var(--emerald-l);color:var(--emerald-d);font-weight:700;font-size:13px;
  padding:7px 14px;border-radius:999px}

/* Meal / chips */
.meal{display:flex;align-items:center;gap:12px;padding:11px 0;border-top:1px solid var(--line)}
.meal:first-of-type{border-top:none}
.meal .ic{width:38px;height:38px;border-radius:11px;background:var(--emerald-bg);
  display:grid;place-items:center;font-size:17px;flex:0 0 auto}
.meal .info{flex:1;min-width:0}
.meal .info .nm{font-weight:600;font-size:14px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.meal .info .mt{font-size:11px;color:var(--muted)}
.meal .kc{font-weight:700;font-size:14px}
.empty{text-align:center;color:var(--muted);font-size:13px;padding:14px 0}
.chiprow{display:flex;flex-wrap:wrap;gap:9px}
.chip{display:flex;align-items:center;gap:7px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:8px 13px;font-size:13px;font-weight:600;box-shadow:var(--shadow)}
.chip .kc{color:var(--muted);font-weight:500;font-size:11px}

/* Fields */
.field{margin-bottom:13px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field label b{color:var(--ink);font-weight:600}
.input{width:100%;border:1px solid var(--line);border-radius:13px;padding:13px 14px;
  background:#f8fafc;color:var(--ink)}
.input:focus{outline:none;border-color:var(--emerald);background:#fff}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:11px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:9px}
.suggest{border:1px solid var(--line);border-radius:13px;margin-top:8px;max-height:240px;overflow:auto;background:#fff}
.suggest .it{padding:11px 13px;border-top:1px solid var(--line);font-size:13px}
.suggest .it:first-child{border-top:none}
.suggest .it b{font-weight:600}
.suggest .it small{color:var(--muted)}
.check{display:flex;align-items:center;gap:10px;font-size:14px;margin:4px 0 14px}
.check input{width:22px;height:22px;accent-color:var(--emerald)}
.slab{display:flex;align-items:center;justify-content:space-between}
.slab b{font-weight:800;font-size:15px;color:var(--emerald)}
.slider{-webkit-appearance:none;appearance:none;width:100%;height:8px;border-radius:999px;
  background:#eef2f6;outline:none;margin:6px 0}
.slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:26px;height:26px;border-radius:50%;
  background:var(--emerald);border:3px solid #fff;box-shadow:0 2px 6px rgba(5,150,105,.4);cursor:pointer}
.slider::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:var(--emerald);
  border:3px solid #fff;box-shadow:0 2px 6px rgba(5,150,105,.4);cursor:pointer}

/* Objetivos rows */
.orow{display:flex;align-items:center;justify-content:space-between;padding:13px 0;border-top:1px solid var(--line)}
.orow:first-child{border-top:none}
.orow .ol{color:var(--muted);font-size:15px}
.orow .ov{font-size:18px;font-weight:800}

/* Progreso */
.kpi3{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:14px}
.kpi{background:var(--card);border-radius:18px;box-shadow:var(--shadow);padding:14px 10px;text-align:center}
.kpi .k{font-size:12px;color:var(--muted)}
.kpi .v{font-size:19px;font-weight:800;margin-top:6px}

/* History */
.hday{border:1px solid var(--line);border-radius:14px;margin-bottom:10px;overflow:hidden}
.hday .hd{display:flex;align-items:center;gap:10px;padding:13px}
.hday .hd .d{font-weight:700;font-size:14px;text-transform:capitalize}
.hday .hd .s{font-size:11px;color:var(--muted);margin-top:2px}
.hday .body{display:none;padding:0 13px 12px}
.hday.open .body{display:block;border-top:1px solid var(--line);padding-top:6px}
.pill{font-size:11px;font-weight:700;padding:4px 9px;border-radius:999px;white-space:nowrap}
.pill.ok{background:#dcfce7;color:#166534}
.pill.over{background:#fef3c7;color:#92400e}
.pill.none{background:#f1f5f9;color:#94a3b8}
.hday .hd .s .p{color:var(--prot);font-weight:600}
.hday .hd .s .g{color:var(--fat);font-weight:600}
.hday .hd .s .c{color:var(--carb);font-weight:600}
.hbar{height:5px;border-radius:999px;background:#eef2f6;overflow:hidden;margin:10px 13px 0}
.hbar>i{display:block;height:100%;border-radius:999px;background:var(--emerald)}
.kpi4{display:grid;grid-template-columns:1fr 1fr;gap:12px}

/* Modal */
.modal{position:fixed;inset:0;z-index:60;display:none;align-items:flex-end;justify-content:center;
  background:rgba(15,23,42,.5)}
.modal.show{display:flex}
.modal .sheet{background:var(--card);width:100%;max-width:560px;border-radius:24px 24px 0 0;
  padding:20px 18px calc(22px + env(safe-area-inset-bottom));max-height:94vh;overflow:auto;
  animation:slideup .24s ease}
@keyframes slideup{from{transform:translateY(50px)}to{transform:none}}
.modal .sheet h3{margin:0 0 6px;font-size:19px;display:flex;align-items:center;font-weight:800}
.modal .sheet h3 .x{margin-left:auto;width:34px;height:34px;border-radius:50%;background:#f1f5f9;
  color:var(--muted);font-size:20px;display:grid;place-items:center}
.modal .sheet .sub{margin-bottom:16px}
.preview{background:var(--emerald-bg);border-radius:14px;padding:14px;margin:14px 0}
.preview .mant{font-size:14px;color:var(--ink)}
.preview .obj{font-size:15px;font-weight:800;color:var(--emerald-d);margin-top:4px}
.preview .obj .p{color:var(--prot)}.preview .obj .g{color:var(--fat)}.preview .obj .c{color:var(--carb)}
#scanWrap{margin:12px 0}
#scanVideo{width:100%;border-radius:14px;background:#000;aspect-ratio:4/3;object-fit:cover}

/* Bottom nav */
nav.bottom{position:fixed;left:0;right:0;bottom:0;z-index:50;background:rgba(255,255,255,.97);
  backdrop-filter:blur(12px);border-top:1px solid var(--line);
  padding:9px 8px calc(9px + env(safe-area-inset-bottom));
  display:grid;grid-template-columns:repeat(4,1fr);max-width:560px;margin:0 auto}
nav.bottom button{display:flex;flex-direction:column;align-items:center;gap:4px;
  padding:4px 0;font-size:11px;font-weight:600;color:#94a3b8}
nav.bottom button svg{width:23px;height:23px}
nav.bottom button.on{color:var(--emerald)}

.toast{position:fixed;left:50%;bottom:94px;transform:translateX(-50%);z-index:80;
  background:var(--dark);color:#fff;padding:11px 18px;border-radius:13px;font-size:13px;
  box-shadow:var(--shadow);opacity:0;pointer-events:none;transition:opacity .2s}
.toast.show{opacity:1}
canvas{max-width:100%}
.seg{display:flex;background:#fff;border-radius:14px;padding:4px;gap:4px;margin-bottom:14px;box-shadow:var(--shadow)}
.seg button{flex:1;padding:9px;border-radius:11px;font-size:13px;font-weight:600;color:var(--muted)}
.seg button.on{background:var(--emerald);color:#fff}
.banner{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:13px;
  padding:11px 13px;font-size:12px;margin-bottom:12px;line-height:1.5}