/* ============================================================
   Vault Nutrition — Design System v2
   Clean white default (per user), plus dark mode + accent themes.
   ============================================================ */

/* ---------- accent palettes ---------- */
[data-accent="indigo"]{--accent:#4f46e5;--accent-2:#8b5cf6;--accent-soft:rgba(79,70,229,.10)}
[data-accent="violet"]{--accent:#7c3aed;--accent-2:#a855f7;--accent-soft:rgba(124,58,237,.10)}
[data-accent="blue"]{--accent:#2563eb;--accent-2:#60a5fa;--accent-soft:rgba(37,99,235,.10)}
[data-accent="sky"]{--accent:#0284c7;--accent-2:#38bdf8;--accent-soft:rgba(2,132,199,.10)}
[data-accent="teal"]{--accent:#0d9488;--accent-2:#2dd4bf;--accent-soft:rgba(13,148,136,.10)}
[data-accent="emerald"]{--accent:#059669;--accent-2:#34d399;--accent-soft:rgba(5,150,105,.10)}
[data-accent="rose"]{--accent:#e11d48;--accent-2:#fb7185;--accent-soft:rgba(225,29,72,.10)}
[data-accent="orange"]{--accent:#ea580c;--accent-2:#fb923c;--accent-soft:rgba(234,88,12,.10)}
[data-accent="slate"]{--accent:#334155;--accent-2:#64748b;--accent-soft:rgba(51,65,85,.10)}

/* ---------- light (default) ---------- */
:root{
  --bg:#f7f7f9;
  --bg-grad-1:radial-gradient(1000px 400px at 85% -10%, var(--accent-soft), transparent 60%);
  --bg-grad-2:radial-gradient(700px 400px at -10% 110%, rgba(14,165,233,.05), transparent 55%);
  --card:#ffffff;
  --card-2:#f3f3f7;
  --border:#e9e9f0;
  --border-strong:#d8d8e3;
  --fg:#17171d;
  --muted:#71718a;
  --muted-2:#a3a3b6;
  --ring-track:#edeef4;
  --nav-h:74px;
  --protein:#f43f5e; --carbs:#f59e0b; --fat:#0ea5e9; --fibre:#06b6d4;
  --good:#10b981; --bad:#ef4444; --warn:#f59e0b;
  --squircle:26px;
  --shadow:0 1px 2px rgba(24,24,48,.04),0 10px 30px rgba(24,24,56,.05);
  --shadow-lg:0 2px 4px rgba(24,24,48,.05),0 20px 54px rgba(24,24,56,.09);
  color-scheme:light;
}

/* ---------- dark ---------- */
[data-theme="dark"]{
  --bg:#0d0e13;
  --bg-grad-1:radial-gradient(1000px 420px at 85% -10%, var(--accent-soft), transparent 60%);
  --bg-grad-2:radial-gradient(700px 420px at -10% 110%, rgba(14,165,233,.06), transparent 55%);
  --card:#171922;
  --card-2:#1e212c;
  --border:#262a38;
  --border-strong:#323748;
  --fg:#f1f2f8;
  --muted:#8b90a5;
  --muted-2:#5c6172;
  --ring-track:#242837;
  --protein:#fb7185; --carbs:#fbbf24; --fat:#38bdf8; --fibre:#22d3ee;
  --good:#34d399; --bad:#f87171; --warn:#fbbf24;
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.4);
  --shadow-lg:0 2px 4px rgba(0,0,0,.5),0 16px 48px rgba(0,0,0,.5);
  color-scheme:dark;
}

/* shared tokens so all components use the accent */
:root,[data-theme="dark"]{
  --primary:var(--accent);
  --primary-2:var(--accent-2);
  --primary-soft:var(--accent-soft);
}

*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body{
  font-family:"Plus Jakarta Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:var(--bg);color:var(--fg);
  background-image:var(--bg-grad-1),var(--bg-grad-2);
  background-attachment:fixed;
  font-size:15.5px;line-height:1.45;letter-spacing:-.006em;
  transition:background .3s,color .3s;
  min-height:100vh;
}
.app{max-width:520px;margin:0 auto;padding:14px 16px calc(var(--nav-h) + 26px);min-height:100vh;position:relative}
.hidden{display:none!important}

h1,h2,h3{letter-spacing:-.02em;font-weight:700;line-height:1.2}
.view-title{font-size:24px;font-weight:800;margin:2px 0 14px;letter-spacing:-.03em}
.muted{color:var(--muted);font-size:12.5px}
.tabnum{font-variant-numeric:tabular-nums}
.overline{font-size:10px;font-weight:800;text-transform:uppercase;letter-spacing:.14em;color:var(--muted)}

/* ---------- topbar ---------- */
.topbar{display:flex;align-items:flex-start;justify-content:space-between;padding:6px 2px 14px}
.brand{display:flex;align-items:center;gap:11px}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  background:linear-gradient(135deg,var(--primary),var(--primary-2));
  display:grid;place-items:center;font-weight:800;color:#fff;font-size:22px;
  box-shadow:0 8px 20px var(--accent-soft);
}
.brand-mark.lg{width:68px;height:68px;font-size:38px;border-radius:24px;margin:0 auto 16px}
.brand-text{display:flex;flex-direction:column;line-height:1.2;padding-top:2px}
.brand-text strong{font-size:18px;font-weight:800;letter-spacing:-.02em}
.brand-text span{font-size:12px;color:var(--muted)}
.top-actions{display:flex;gap:8px}
.icon-btn{
  background:var(--card);border:1px solid var(--border);color:var(--muted);
  width:40px;height:40px;border-radius:13px;font-size:17px;cursor:pointer;
  transition:.15s;display:grid;place-items:center;
}
.icon-btn:hover{color:var(--fg);border-color:var(--border-strong);transform:translateY(-1px)}

/* ---------- cards ---------- */
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--squircle);
  padding:18px;margin-bottom:13px;box-shadow:var(--shadow);
  transition:background .3s,border-color .3s;
}
.card-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}
.card-head h3{font-size:14.5px;font-weight:700}
.card-head .right{display:flex;align-items:center;gap:8px}
.divider{height:1px;background:var(--border);margin:14px 0}

/* ---------- hero calorie ---------- */
.hero-card{
  border-radius:30px;padding:22px 14px 18px;display:flex;
  align-items:center;justify-content:space-between;gap:6px;
  background:linear-gradient(160deg,var(--card),color-mix(in srgb,var(--accent-soft) 55%,var(--card)));
  border-color:color-mix(in srgb,var(--border) 80%,transparent);
  box-shadow:var(--shadow-lg);
}
.hero-left,.hero-right{display:flex;flex-direction:column;align-items:center;gap:3px;min-width:70px}
.kpi-big{font-size:27px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.kpi-unit{font-size:11px;color:var(--muted)}
.ring-wrap{position:relative;width:150px;height:150px;display:grid;place-items:center;flex-shrink:0}
.ring-wrap.sm{width:112px;height:112px}
.ring-wrap .ring{width:100%;height:100%;transform:rotate(-90deg)}
.ring-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;line-height:1.05}
.ring-val{font-size:32px;font-weight:800;letter-spacing:-.04em;font-variant-numeric:tabular-nums}
.ring-total{font-size:13px;color:var(--muted)}
.ring-sub{font-size:10px;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin-top:2px}
.ring-wrap.sm .ring-val{font-size:27px}

/* ---------- macro row ---------- */
.macro-row{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:13px}
.macro-card{
  background:var(--card);border:1px solid var(--border);border-radius:20px;
  padding:14px 4px 11px;display:flex;flex-direction:column;align-items:center;gap:7px;
  position:relative;box-shadow:var(--shadow);transition:transform .15s;
}
.macro-card:active{transform:scale(.96)}
.macro-card .ring{width:58px;height:58px}
.macro-center{position:absolute;top:21px;left:50%;transform:translateX(-50%);font-size:12.5px;font-weight:800;color:var(--muted);font-variant-numeric:tabular-nums}
.macro-val{display:flex;align-items:baseline;gap:2px;font-size:11px;color:var(--muted)}
.macro-val b{font-size:16px;font-weight:800;color:var(--fg);font-variant-numeric:tabular-nums}
.macro-name{font-size:9.5px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.07em}
[data-macro="protein"]{--accent:var(--protein)}
[data-macro="carbs"]{--accent:var(--carbs)}
[data-macro="fat"]{--accent:var(--fat)}
[data-macro="fibre"]{--accent:var(--fibre)}

/* ---------- quick row ---------- */
.quick-row{display:grid;grid-template-columns:1.15fr 1fr;gap:12px;margin-bottom:13px}
.water-card{display:flex;align-items:center;gap:14px;padding:16px}
.water-glass{
  width:42px;height:68px;border:2px solid var(--fat);border-radius:0 0 13px 13px;position:relative;
  overflow:hidden;background:linear-gradient(180deg,transparent 32%,rgba(14,165,233,.08));
  flex-shrink:0;
}
.water-glass:before{content:"";position:absolute;top:-4px;left:-2px;right:-2px;height:9px;background:var(--fat);border-radius:0 0 5px 5px}
.water-fill{position:absolute;bottom:0;left:0;right:0;height:0%;transition:height .6s cubic-bezier(.2,.8,.2,1);
  background:linear-gradient(180deg,rgba(56,189,248,.9),rgba(14,165,233,.65));
  border-radius:0 0 11px 11px;box-shadow:0 0 16px rgba(14,165,233,.35);
}
.water-info{display:flex;flex-direction:column;gap:8px;min-width:0}
.water-info .kpi-big{font-size:20px}
.water-info .kpi-big small{font-size:12px;color:var(--muted);font-weight:500}
.chip-row{display:flex;gap:6px;flex-wrap:wrap}
.chip{
  background:var(--card-2);border:1px solid var(--border);color:var(--muted);
  border-radius:999px;padding:6px 11px;font-size:11px;font-weight:600;cursor:pointer;transition:.15s;
}
.chip:hover{border-color:var(--fat);color:var(--fat);background:rgba(14,165,233,.07)}
.weight-card{display:flex;flex-direction:column;gap:10px;padding:16px}
.weight-input-row{display:flex;gap:8px}
.weight-input-row input{flex:1;min-width:0}
.trend-line{font-size:11.5px;color:var(--muted);font-variant-numeric:tabular-nums}

/* ---------- inputs ---------- */
input,select{
  background:var(--card-2);border:1px solid var(--border);color:var(--fg);border-radius:12px;
  padding:10px 12px;font-size:14px;width:100%;outline:none;transition:.15s;font-family:inherit;
}
input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--accent-soft)}
input::placeholder{color:var(--muted-2)}
.btn{
  background:var(--card-2);border:1px solid var(--border);color:var(--fg);border-radius:12px;
  padding:10px 15px;font-size:13.5px;font-weight:700;cursor:pointer;transition:.15s;font-family:inherit;
}
.btn:hover{border-color:var(--primary);color:var(--primary)}
.btn.primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-2));color:#fff;border:none;
  box-shadow:0 8px 18px var(--accent-soft);
}
.btn.primary:hover{filter:brightness(1.1);color:#fff}
.btn.danger{color:var(--warn);border-color:color-mix(in srgb,var(--warn) 40%,transparent)}
.btn.small{padding:7px 11px;font-size:12px}
.btn.block{width:100%;margin-top:10px}
.btn-row{display:flex;gap:8px;flex-wrap:wrap}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:10px}
.form-grid input{font-size:13.5px}
.err-text{color:var(--warn);font-size:13px;margin-top:8px;text-align:center}

/* ---------- date strip ---------- */
.date-strip{display:flex;justify-content:space-between;gap:5px;margin-bottom:14px;overflow-x:auto;padding:2px 0}
.date-cell{display:flex;flex-direction:column;align-items:center;gap:4px;cursor:pointer;padding:5px 7px;border-radius:16px;transition:.15s;flex-shrink:0}
.date-cell:hover{background:var(--card-2)}
.date-cell .day-circle{
  width:39px;height:39px;border-radius:50%;display:grid;place-items:center;font-size:13.5px;font-weight:700;
  border:1.5px dashed var(--border-strong);color:var(--muted);transition:.15s;font-variant-numeric:tabular-nums;
}
.date-cell .day-num{font-size:10.5px;color:var(--muted)}
.date-cell.active .day-circle{
  border:2px solid var(--primary);color:var(--primary);
  box-shadow:0 0 0 4px var(--accent-soft);
}
.date-cell.active .day-num{color:var(--primary);font-weight:800}
.date-cell.today .day-num{color:var(--fat);font-weight:700}

/* ---------- food ---------- */
.food-list{display:flex;flex-direction:column}
.food-item{display:flex;align-items:center;gap:11px;padding:11px 2px;border-bottom:1px solid var(--border)}
.food-item:last-child{border-bottom:none}
.food-emoji{width:36px;height:36px;border-radius:12px;background:var(--card-2);display:grid;place-items:center;font-size:17px;flex-shrink:0;border:1px solid var(--border)}
.food-mid{flex:1;min-width:0}
.food-name{font-weight:700;font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.food-meta{display:flex;gap:7px;font-size:10.5px;color:var(--muted);margin-top:3px}
.food-meta b{color:var(--fg);font-weight:700;font-variant-numeric:tabular-nums}
.food-right{display:flex;flex-direction:column;align-items:flex-end;gap:2px}
.food-qty{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}
.food-del{background:none;border:none;color:var(--muted-2);font-size:15px;cursor:pointer;padding:2px 4px}
.food-del:hover{color:var(--bad)}
.meals-head{font-size:10.5px;font-weight:800;color:var(--muted);text-transform:uppercase;letter-spacing:.1em;margin:14px 0 2px;display:flex;align-items:center;gap:8px}
.meals-head:after{content:"";flex:1;height:1px;background:var(--border)}
.empty-state{color:var(--muted);font-size:13.5px;text-align:center;padding:20px 0}

/* ---------- charts ---------- */
.bars{display:flex;align-items:flex-end;gap:7px;height:150px;padding-top:20px;position:relative}
.bar-col{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end;min-width:0}
.bar{width:100%;max-width:32px;border-radius:8px 8px 4px 4px;background:var(--ring-track);min-height:4px;transition:.3s;position:relative}
.bar.ok{background:linear-gradient(180deg,var(--primary-2),var(--primary));box-shadow:0 4px 14px var(--accent-soft)}
.bar.over{background:linear-gradient(180deg,#fbbf24,#d97706);box-shadow:0 4px 12px rgba(245,158,11,.25)}
.bar.low{background:linear-gradient(180deg,color-mix(in srgb,var(--primary) 60%,white),color-mix(in srgb,var(--primary) 40%,white))}
.bar-label{font-size:10px;color:var(--muted);font-weight:600}
.bar-val{position:absolute;top:-17px;left:50%;transform:translateX(-50%);font-size:9px;color:var(--muted-2);white-space:nowrap;display:none;font-variant-numeric:tabular-nums}
.bar-col:hover .bar-val{display:block}
.stat-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:13px}
.stat-chip{background:var(--card-2);border:1px solid var(--border);border-radius:14px;padding:10px;text-align:center}
.stat-chip b{display:block;font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.stat-chip span{font-size:9.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}
.line-chart{width:100%;height:150px;overflow:visible}
.water-bars{display:flex;align-items:flex-end;gap:7px;height:110px;padding-top:16px}
.water-bar{flex:1;border-radius:7px 7px 3px 3px;background:linear-gradient(180deg,rgba(56,189,248,.5),rgba(14,165,233,.14));min-height:4px}
.water-bar.full{background:linear-gradient(180deg,#38bdf8,#0284c7);box-shadow:0 0 12px rgba(14,165,233,.3)}

/* ---------- score ---------- */
.score-card{display:flex;align-items:center;gap:16px}
.score-info{flex:1;min-width:0}
.score-info h3{font-size:14.5px;margin-bottom:3px}
.score-info p{font-size:12px;color:var(--muted);line-height:1.45}
.goal-hits{display:flex;flex-direction:column;gap:7px;margin-top:10px}
.goal-hit-row{display:flex;align-items:center;gap:8px;font-size:11.5px}
.goal-hit-row .gh-name{width:62px;color:var(--muted);text-transform:capitalize;font-weight:600}
.goal-hit-bar{flex:1;height:6px;background:var(--card-2);border-radius:999px;overflow:hidden}
.goal-hit-fill{height:100%;border-radius:999px;background:var(--primary);width:0%;transition:width .5s}
.goal-hit-fill.warn{background:var(--warn)}
.goal-hit-pct{width:36px;text-align:right;font-weight:800;font-size:11px;font-variant-numeric:tabular-nums}

/* ---------- segmented ---------- */
.segmented{display:flex;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:4px;margin-bottom:14px;gap:4px;box-shadow:var(--shadow)}
.segmented button{flex:1;background:none;border:none;color:var(--muted);padding:9px;border-radius:10px;font-size:13px;font-weight:700;cursor:pointer;transition:.15s;font-family:inherit}
.segmented button.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px var(--accent-soft)}

/* ---------- compare ---------- */
.macro-avg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.cmp-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.cmp-card{background:var(--card-2);border:1px solid var(--border);border-radius:18px;padding:14px}
.cmp-card .cc-title{font-size:10px;font-weight:700;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:7px}
.cmp-card .cc-val{font-size:22px;font-weight:800;letter-spacing:-.03em;font-variant-numeric:tabular-nums}
.cmp-card .cc-val small{font-size:12px;color:var(--muted);font-weight:600}
.cmp-card .cc-delta{font-size:12px;font-weight:700;margin-top:3px}
.delta-up{color:var(--good)}
.delta-down{color:var(--bad)}
.delta-flat{color:var(--muted)}

/* ---------- strategy ---------- */
.goal-edit{display:flex;flex-direction:column;gap:9px}
.goal-edit-row{display:flex;align-items:center;gap:10px}
.goal-edit-row label{width:106px;font-size:13px;font-weight:700;color:var(--muted)}
.goal-edit-row input{flex:1}
.goal-edit-row .unit{font-size:11px;color:var(--muted-2);width:30px}
.goal-cons-row{display:flex;align-items:center;gap:10px;padding:9px 0;border-bottom:1px solid var(--border)}
.goal-cons-row:last-child{border:none}
.gc-name{width:74px;font-size:12.5px;font-weight:700}
.gc-bar{flex:1;height:7px;background:var(--card-2);border-radius:999px;overflow:hidden}
.gc-fill{height:100%;border-radius:999px;transition:width .4s}
.gc-pct{width:38px;text-align:right;font-size:11.5px;font-weight:800;font-variant-numeric:tabular-nums}
.streak-row{display:flex;align-items:center;justify-content:space-between;padding:10px 0;border-bottom:1px solid var(--border)}
.streak-row:last-child{border:none}
.streak-row b{font-size:20px;font-variant-numeric:tabular-nums}
.streak-row .flame{font-size:18px}
.streak-row span{color:var(--muted);font-size:12.5px}

/* ---------- theme / appearance ---------- */
.theme-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.theme-swatch{
  border:2px solid var(--border);border-radius:16px;padding:10px 6px;cursor:pointer;
  background:var(--card);display:flex;flex-direction:column;align-items:center;gap:7px;transition:.15s;
}
.theme-swatch:hover{border-color:var(--primary)}
.theme-swatch.active{border-color:var(--primary);box-shadow:0 0 0 3px var(--accent-soft)}
.theme-swatch .dot{width:26px;height:26px;border-radius:50%;border:1px solid rgba(0,0,0,.08)}
.theme-swatch span{font-size:10.5px;font-weight:700;color:var(--muted)}
.mode-toggle{display:flex;background:var(--card-2);border:1px solid var(--border);border-radius:14px;padding:4px;gap:4px;margin-bottom:14px}
.mode-toggle button{flex:1;background:none;border:none;padding:10px;border-radius:10px;font-size:13.5px;font-weight:700;cursor:pointer;color:var(--muted);font-family:inherit}
.mode-toggle button.active{background:var(--card);color:var(--primary);box-shadow:var(--shadow)}

/* ---------- bottom nav ---------- */
.bottom-nav{
  position:fixed;bottom:0;left:50%;transform:translateX(-50%);width:100%;max-width:520px;
  display:flex;justify-content:space-around;align-items:center;padding:10px 14px calc(10px + env(safe-area-inset-bottom));
  background:color-mix(in srgb,var(--card) 88%,transparent);backdrop-filter:blur(16px);
  border-top:1px solid var(--border);
}
.nav-item{background:none;border:none;color:var(--muted);font-size:10.5px;font-weight:600;display:flex;flex-direction:column;align-items:center;gap:3px;cursor:pointer;padding:4px 10px;border-radius:12px;transition:.15s;min-width:56px;font-family:inherit}
.nav-item.active{color:var(--primary)}
.nav-item.active .nav-ico{filter:drop-shadow(0 0 8px var(--accent-soft))}
.nav-ico{font-size:19px;line-height:1}
.nav-item.fab{
  width:54px;height:54px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-2));
  color:#fff;font-size:26px;justify-content:center;margin-top:-26px;
  box-shadow:0 8px 24px var(--accent-soft);display:grid;place-items:center;
}
.nav-item.fab .fab-plus{font-size:26px;line-height:0}
.nav-item.fab.active{color:#fff}

/* ---------- auth ---------- */
.auth-gate{position:fixed;inset:0;z-index:50;display:grid;place-items:center;background:var(--bg);
  background-image:var(--bg-grad-1),var(--bg-grad-2)}
.auth-card{width:min(88vw,380px);background:var(--card);border:1px solid var(--border);border-radius:24px;padding:32px 26px;text-align:center;box-shadow:var(--shadow-lg)}
.auth-card h1{font-size:22px;margin-bottom:6px}
.auth-card p{color:var(--muted);font-size:13.5px;margin-bottom:18px}
.auth-card input{margin-bottom:10px;text-align:center}
.footer-note{text-align:center;color:var(--muted-2);font-size:11.5px;margin-top:22px}

/* ---------- toast ---------- */
#toast{position:fixed;bottom:96px;left:50%;transform:translateX(-50%) translateY(20px);background:var(--fg);color:var(--bg);font-weight:700;font-size:13.5px;padding:11px 20px;border-radius:999px;opacity:0;pointer-events:none;transition:.25s;z-index:60;box-shadow:0 10px 30px rgba(0,0,0,.4)}
#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* search results cursor */
#searchResults .food-item{cursor:pointer}
#searchResults .food-item:hover{background:var(--primary-soft)}