:root{
  --bg:#F3F4F6; --card:#FFFFFF; --ink:#1C1C1E; --mut:#8E8E93; --line:#E5E7EB;
  --green:#34C759; --amber:#FF9500; --red:#FF3B30; --blue:#007AFF; --brand:#2E7D32;
  --radius:18px;
}
*{box-sizing:border-box; -webkit-tap-highlight-color:transparent;}
html,body{margin:0;padding:0;}
body{
  background:#DFE2E6; font-family:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,sans-serif;
  color:var(--ink); font-size:15px;
}
#root{max-width:393px;margin:0 auto;background:var(--bg);min-height:100vh;position:relative;
  box-shadow:0 0 30px rgba(0,0,0,.12);}
button{font:inherit;border:none;background:none;cursor:pointer;color:inherit;padding:0;}
input{font:inherit;color:inherit;}
.hidden{display:none!important;}

/* ===== Topbar ===== */
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:calc(env(safe-area-inset-top,0px) + 12px) 16px 10px;background:rgba(243,244,246,.92);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);}
.brand{font-size:17px;font-weight:800;}
.brand b{color:var(--brand);}
.top-right{display:flex;gap:8px;align-items:center;}
.streak{font-weight:700;color:#B45309;font-size:14px;}
.icon-btn{width:34px;height:34px;border-radius:10px;background:#fff;border:1px solid var(--line);
  font-size:16px;display:flex;align-items:center;justify-content:center;}
.icon-btn:active{transform:scale(.94);}

/* ===== Tabbar ===== */
.tabbar{position:sticky;bottom:0;z-index:20;display:flex;background:#fff;border-top:1px solid var(--line);
  padding:6px 4px calc(env(safe-area-inset-bottom,0px) + 6px);}
.tabbar button{flex:1;display:flex;flex-direction:column;align-items:center;gap:2px;padding:5px 0;
  font-size:10px;color:var(--mut);}
.tabbar button span{font-size:20px;line-height:1;}
.tabbar button.on{color:var(--brand);font-weight:700;}

/* ===== Screen ===== */
#screen{padding:14px 14px 28px;}

/* ===== Login ===== */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:linear-gradient(160deg,#2E7D32 0%,#1B5E20 60%,#143D17 100%);}
.login-card{width:100%;background:#fff;border-radius:26px;padding:30px 24px;text-align:center;
  box-shadow:0 18px 50px rgba(0,0,0,.35);}
.login-logo{font-size:58px;line-height:1;}
.login-card h1{margin:10px 0 2px;font-size:24px;}
.login-card .sub{color:var(--mut);font-size:13px;margin:0 0 18px;}
.login-card input{width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:13px;
  margin:7px 0;font-size:16px;background:#FAFBFC;}
.login-card input:focus{outline:none;border-color:var(--brand);}
.btn-primary{width:100%;padding:13px;border-radius:14px;background:var(--brand);color:#fff;
  font-weight:700;font-size:16px;margin-top:10px;}
.btn-primary:active{transform:scale(.98);}
.err{color:var(--red);font-size:13px;margin-top:10px;font-weight:600;}

/* ===== Date nav ===== */
.date-nav{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;gap:8px;}
.date-nav .mid{text-align:center;flex:1;}
.date-main{font-weight:800;font-size:16px;}
.plan-sub{font-size:12px;color:var(--mut);}
.arrow{width:38px;height:38px;border-radius:12px;background:#fff;border:1px solid var(--line);
  font-size:20px;display:flex;align-items:center;justify-content:center;}
.arrow:disabled{opacity:.35;}
.arrow:active:not(:disabled){transform:scale(.94);}

/* ===== Banner / note ===== */
.banner{background:#E8F9EF;color:#1B7A3D;padding:11px 14px;border-radius:14px;margin-bottom:12px;
  font-weight:700;font-size:14px;text-align:center;}
.note{color:var(--mut);font-size:12px;margin-bottom:10px;text-align:center;}

/* ===== Cards de grupos ===== */
.card{background:var(--card);border-radius:var(--radius);padding:13px 14px;margin-bottom:11px;
  box-shadow:0 1px 3px rgba(16,24,40,.06);}
.card[data-act="add"]{cursor:pointer;transition:transform .12s;}
.card[data-act="add"]:active{transform:scale(.985);}
.card.flash{animation:flash .4s;}
@keyframes flash{0%{transform:scale(.97);}60%{transform:scale(1.01);}100%{transform:scale(1);}}
.card-top{display:flex;align-items:center;gap:9px;}
.g-emoji{font-size:22px;}
.g-name{font-weight:700;font-size:15px;flex:1;}
.g-count{font-size:13px;color:var(--mut);}
.g-count b{font-size:21px;color:var(--ink);}
.bar{height:10px;background:#EEF0F3;border-radius:999px;margin:9px 0 7px;overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;transition:width .3s ease;}
.card-bottom{display:flex;align-items:center;gap:8px;}
.g-status{font-size:12px;color:var(--mut);flex:1;}
.g-status.ok{color:#1B7A3D;font-weight:700;}
.g-status.warn{color:#B45309;font-weight:700;}
.g-status.over{color:var(--red);font-weight:700;}
.minus{width:32px;height:32px;border-radius:50%;background:#F3F4F6;border:1px solid var(--line);
  font-size:17px;color:var(--mut);display:flex;align-items:center;justify-content:center;}
.minus:active{background:#E5E7EB;}

/* ===== Chips ===== */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px;}
.chip{padding:8px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;}
.chip.on{background:var(--brand);border-color:var(--brand);color:#fff;}
.chip:active{transform:scale(.96);}

/* ===== Targets ===== */
.t-row{display:flex;align-items:center;gap:8px;padding:8px 0;
  border-bottom:1px solid var(--line);font-size:14px;}
.t-row:last-child{border-bottom:none;}
.t-name{flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.t-target{font-weight:700;white-space:nowrap;text-align:right;}
.t-type{font-size:11px;padding:2px 6px;border-radius:999px;font-weight:700;min-width:88px;text-align:center;}
.t-type.max{background:#FDECEA;color:#D6453D;}
.t-type.min{background:#E8F9EF;color:#1B7A3D;}

/* ===== Calendario ===== */
.cal-dow{display:grid;grid-template-columns:repeat(7,1fr);text-align:center;color:var(--mut);
  font-size:11px;margin-bottom:6px;font-weight:700;}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:4px;}
.cal-day{position:relative;aspect-ratio:1;display:flex;align-items:center;justify-content:center;
  border-radius:10px;background:#F6F7F9;font-size:13px;font-weight:600;}
.cal-day.done{background:#E8F9EF;color:#1B7A3D;}
.cal-day.part{background:#FFF4E5;color:#B45309;}
.cal-day.out{background:transparent;color:#C4C7CC;font-weight:400;}
.cal-day.future{background:#F0F1F4;color:#C4C7CC;}
.cal-day:disabled{opacity:1;}
.dot{position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:7px;height:7px;
  border-radius:50%;}
.dot.g{background:var(--green);}
.dot.o{background:var(--amber);}
.dot.gr{background:#C4C7CC;}
.cal-legend{display:flex;gap:14px;justify-content:center;margin-top:10px;font-size:11px;color:var(--mut);}
.cal-legend .dot{position:static;transform:none;display:inline-block;margin-right:5px;vertical-align:middle;}

/* ===== Reporte ===== */
.summary-row{display:flex;gap:10px;margin-bottom:12px;}
.summary-row .card{flex:1;text-align:center;padding:12px;margin-bottom:0;}
.summary-row b{font-size:26px;display:block;line-height:1.2;}
.summary-row span{font-size:12px;color:var(--mut);}
.svg-wrap{display:flex;flex-direction:column;align-items:center;}
.bar-labels{display:flex;width:300px;margin-top:4px;}
.bar-labels span{flex:1;text-align:center;font-size:10px;color:var(--mut);}
.chart-avg{font-size:12px;color:var(--mut);text-align:center;margin-top:6px;}

/* ===== Alimentos ===== */
.foods-head{display:flex;justify-content:space-between;align-items:center;font-weight:700;
  margin-bottom:4px;font-size:14px;}
.food-row{display:flex;align-items:center;gap:8px;padding:8px 0;border-bottom:1px solid var(--line);
  font-size:14px;}
.food-row:last-of-type{border-bottom:none;}
.food-measure{color:var(--mut);font-size:12px;margin-left:auto;text-align:right;}
.mini-x{color:#C4C7CC;font-size:14px;padding:2px 8px;}
.mini-x:active{color:var(--red);}
.empty{color:var(--mut);font-size:13px;padding:6px 0;}
.btn-ghost{display:block;width:100%;margin-top:10px;padding:10px;border:1px dashed #C4C7CC;
  border-radius:12px;color:var(--brand);font-weight:700;font-size:13px;}
.btn-ghost.danger{color:var(--red);border-style:solid;}
.logout-row{margin-top:18px;}
.foot{text-align:center;color:#C4C7CC;font-size:11px;margin-top:16px;}

/* ===== Modal ===== */
#modal{position:fixed;inset:0;z-index:50;display:flex;align-items:center;justify-content:center;padding:20px;}
.modal-back{position:absolute;inset:0;background:rgba(20,20,24,.5);}
.modal{position:relative;background:#fff;border-radius:22px;padding:20px;width:100%;max-width:360px;
  max-height:82vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.3);}
.modal h3{margin:0 0 4px;font-size:18px;}
.modal .muted{color:var(--mut);font-size:12px;margin:0 0 14px;}
.modal label{display:block;font-size:12px;font-weight:700;color:var(--mut);margin:10px 0 4px;}
.modal label em{font-weight:400;color:#B4B7BC;}
.modal input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:12px;
  font-size:15px;background:#FAFBFC;}
.modal input:focus{outline:none;border-color:var(--brand);}
.t-form{margin:8px 0 4px;}

/* ===== Toast ===== */
#toast{position:fixed;left:50%;bottom:calc(92px + env(safe-area-inset-bottom,0px));transform:translateX(-50%)
  translateY(16px);background:rgba(28,28,30,.92);color:#fff;padding:10px 18px;border-radius:999px;
  font-size:13px;font-weight:600;opacity:0;pointer-events:none;transition:all .25s;z-index:100;
  max-width:88%;text-align:center;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

/* ===== Offline / errores ===== */
.offline{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;
  background:#FEF3C7;color:#92400E;font-size:12px;font-weight:600;padding:8px 12px;text-align:center;}
.offline button{color:#7C2D12;font-weight:800;text-decoration:underline;}
.err-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-height:70vh;gap:12px;text-align:center;padding:24px;color:var(--mut);}
.err-screen h2{margin:0;color:var(--ink);font-size:18px;}
.err-screen p{margin:0;font-size:13px;line-height:1.5;}