:root{color-scheme:light;--green:#28634a;--green2:#e9f3ed;--ink:#1d2924;--muted:#66736d;--bg:#f5f7f5;--card:#fff;--border:#dfe6e1;--red:#a43e3e}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.5 system-ui,-apple-system,Segoe UI,sans-serif}header{min-height:68px;background:#fff;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:10px max(22px,calc((100% - 1180px)/2));gap:20px}.brand{font-weight:800;color:var(--green);font-size:1.15rem;text-decoration:none}nav{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}nav a,a{color:var(--green)}main{max-width:1180px;margin:28px auto;padding:0 20px;min-height:calc(100vh - 145px)}footer{text-align:center;color:var(--muted);padding:20px}.card,.hero,.stats article{background:var(--card);border:1px solid var(--border);border-radius:14px;box-shadow:0 4px 18px rgba(31,54,42,.05)}.card{padding:24px}.login{max-width:430px;margin:8vh auto}.hero{padding:22px 26px;display:flex;justify-content:space-between;align-items:center}.hero h1,.card h1,.card h2{margin-top:0}.hero p{margin:0;color:var(--muted)}.date-form label{margin:0}.period-hero{display:grid;grid-template-columns:auto 1fr auto auto;gap:20px}.period-arrow{font-size:2.2rem;text-decoration:none;line-height:1}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:18px 0}.stats article{padding:20px}.stats strong{display:block;font-size:1.55rem;color:var(--green)}.stats span,.muted{color:var(--muted)}.two-columns{display:grid;grid-template-columns:minmax(300px,.85fr) minmax(400px,1.15fr);gap:18px;margin-top:18px}.food-layout{display:grid;gap:18px;margin-top:18px}.nutrition-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:12px}.period-table,.chart-card{margin-top:18px}.chart-card{display:grid;grid-template-columns:minmax(220px,.8fr) minmax(340px,1.2fr);align-items:center;gap:32px}.chart-card h2{margin-bottom:4px}.chart-layout{display:flex;align-items:center;justify-content:center;gap:36px}.pie-chart{width:220px;height:220px;border-radius:50%;position:relative;display:grid;place-items:center;flex:0 0 auto;box-shadow:inset 0 0 0 1px rgba(0,0,0,.05)}.pie-chart:after{content:"";position:absolute;width:112px;height:112px;border-radius:50%;background:var(--card);box-shadow:0 0 0 1px rgba(0,0,0,.04)}.pie-chart>span{position:relative;z-index:1;text-align:center;font-size:1.35rem;font-weight:800;color:var(--green)}.pie-chart small{display:block;font-size:.75rem;font-weight:600;color:var(--muted)}.pie-chart.empty{background:#e5e9e6}.chart-legend{list-style:none;margin:0;padding:0;min-width:230px}.chart-legend li{display:grid;grid-template-columns:14px 1fr auto;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border)}.legend-dot{width:12px;height:12px;border-radius:50%}label{display:block;font-weight:650;margin:13px 0}input,select{display:block;width:100%;margin-top:6px;border:1px solid #bdc9c1;border-radius:8px;padding:10px 11px;background:#fff;color:var(--ink);font:inherit}button{border:0;border-radius:8px;background:var(--green);color:#fff;padding:10px 16px;font:inherit;font-weight:700;cursor:pointer}button:hover{filter:brightness(.92)}button.small{padding:6px 10px;font-size:.85rem}.danger{background:var(--red)}.grid2{display:grid;gap:12px;grid-template-columns:1fr 1fr}.flash{background:var(--green2);border:1px solid #bad4c3;border-radius:9px;padding:12px 15px;margin-bottom:18px}.error{background:#f9eaea;color:#842c2c;padding:10px;border-radius:8px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--border);white-space:nowrap}.entry-list article{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--border)}.entry-list span,.entry-list small{display:block;color:var(--muted)}@media(max-width:800px){header{height:auto;padding:14px 18px;align-items:flex-start}nav{gap:9px 14px}nav span{width:100%;text-align:right}.stats{grid-template-columns:1fr 1fr}.two-columns,.chart-card{grid-template-columns:1fr}.nutrition-grid{grid-template-columns:1fr 1fr}.period-hero{grid-template-columns:auto 1fr auto}.period-hero form{grid-column:1/-1}}@media(max-width:520px){.hero{align-items:flex-end;gap:12px}.stats{grid-template-columns:1fr 1fr}.grid2,.nutrition-grid{grid-template-columns:1fr}.chart-layout{flex-direction:column;gap:20px}.pie-chart{width:190px;height:190px}.chart-legend{width:100%}main{padding:0 12px}.card{padding:18px}}