:root{
  --c1:#0ea5e9; --c2:#10b981; --btn:#0ea5e9; --ink:#0b1220; --muted:#64748b; --border:#e5e7eb; --chip-bg:#e2f8ff; --chip-b:#bae6fd;
  --grid:#e8eef6; --grid-strong:#cbd5e1;
}
body[data-theme="red"]{ --c1:#ef4444; --c2:#fb7185; --btn:#ef4444; }
body[data-theme="blue"]{ --c1:#2563eb; --c2:#38bdf8; --btn:#2563eb; }
body[data-theme="gray"]{ --c1:#64748b; --c2:#94a3b8; --btn:#64748b; }

*{box-sizing:border-box}
body{margin:0;font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Arial;background:#f1f5f9;color:var(--ink)}
.app-header{padding:14px 16px;background:linear-gradient(90deg,var(--c1),var(--c2));color:#fff;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;position:relative;overflow:hidden}
.app-header.flare::after{content:'';position:absolute;right:-80px;top:-80px;width:260px;height:260px;background:radial-gradient(closest-side,rgba(255,255,255,.18),transparent);border-radius:50%;pointer-events:none}
.brand{display:flex;gap:12px;align-items:center}.logo{width:34px;height:34px}
.ic{width:20px;height:20px;vertical-align:-3px;margin-right:6px}.ic.s{width:16px;height:16px;margin-right:4px}
.app-header h1{margin:0;font-size:22px}.tabs{display:flex;gap:10px}
.tab-btn{background:#fff;color:#0b1220;border:none;padding:10px 14px;border-radius:999px;cursor:pointer;font-weight:800;opacity:.92;display:flex;align-items:center;gap:6px;box-shadow:0 2px 0 rgba(0,0,0,.06)}
.tab-btn.active{opacity:1;box-shadow:0 0 0 2px rgba(255,255,255,.7) inset}
.theme-switcher{display:flex;gap:12px;align-items:center}
.theme-switcher input{padding:8px 10px;border-radius:8px;border:1px solid var(--border);min-width:120px}
.theme-switcher select{padding:8px 10px;border-radius:8px;border:1px solid var(--border)}

main{padding:16px}
.card{background:#fff;border:1px solid var(--border);border-radius:14px;padding:16px;box-shadow:0 10px 30px rgba(0,0,0,.06);margin-bottom:14px;position:relative;overflow:hidden}
.card::after{content:'';position:absolute;right:-40px;top:-40px;width:160px;height:160px;background:radial-gradient(closest-side,rgba(16,185,129,.08),transparent);border-radius:50%}
.card.ribbon::before{content:'';position:absolute;left:-10px;top:0;width:12px;height:100%;background:linear-gradient(180deg,var(--c1),var(--c2));opacity:.25}
.card.stickers::before{content:'🔥';position:absolute;right:12px;top:10px;font-size:18px;opacity:.5;transform:rotate(-8deg)}
.grid4{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
.grid5{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.grid3{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}
label{display:flex;flex-direction:column;font-weight:700;font-size:14px}
input,select{margin-top:6px;padding:10px 12px;border:1px solid #cbd5e1;border-radius:10px;background:#fff}
.help{display:block;color:var(--muted);font-weight:600;margin-top:6px}
.hint-inline{display:inline-block;margin-left:6px;opacity:.8;cursor:help}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin:12px 0}
button{background:var(--btn);color:#fff;border:none;border-radius:10px;padding:10px 14px;cursor:pointer;font-weight:800;box-shadow:0 2px 0 rgba(0,0,0,.08)}
button:hover{filter:brightness(.95)}
.muted{color:var(--muted)}
.macro-line{display:flex;gap:12px;flex-wrap:wrap;font-weight:800;margin-top:8px}
.macro-pill{border-radius:999px;background:var(--chip-bg);padding:6px 12px;border:1px solid var(--chip-b)}
.macro-note{color:#475569;margin-top:6px;font-size:13px}
.sliders-row{display:flex;gap:16px;flex-wrap:wrap;align-items:center}
.slider{display:flex;flex-direction:column;min-width:220px}
.summary{border-radius:10px;background:#f0fdf4;border:1px solid #bbf7d0;padding:12px;margin-top:8px}
.tab{display:none}.tab.active{display:block}
.diets-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.diet-card{border:1px solid var(--border);border-radius:12px;padding:12px;background:#f8fafc}
.diet-icon{font-size:24px;color:var(--c1);display:flex;align-items:center;gap:12px;margin-bottom:8px}
.diet-icon .ic{width:40px;height:40px}
.diet-card h3{margin:0}
.diet-card .actions{gap:8px}
.diet-card .hidden{display:none}
.table-wrap{overflow:auto;border:1px solid var(--border);border-radius:12px;background:#fff}
table{border-collapse:collapse;width:100%;min-width:660px}
th,td{border-bottom:1px solid var(--border);padding:8px 10px;text-align:left}
thead th{position:sticky;top:0;background:#e2e8f0;z-index:1}
.app-footer{padding:12px 16px;color:var(--muted)}
.hidden{display:none}

#chartCanvas{background:#fff;border:1px solid var(--border);border-radius:12px;box-shadow:inset 0 0 0 1px rgba(0,0,0,.02)}

.toast{position:fixed;right:12px;bottom:12px;background:#0ea5e9;color:#fff;padding:10px 14px;border-radius:10px;box-shadow:0 6px 18px rgba(0,0,0,.2);font-weight:800;z-index:999}
.praise{margin:10px 0;padding:10px 12px;background:#eefbf2;border:1px solid #c7f3d8;border-radius:10px;font-weight:800;color:#14532d}

/* === Mobile tweaks v6.2 === */
@media (max-width: 768px){
  main{padding:12px}
  .app-header{padding:10px}
  .brand h1{font-size:18px}
  .tabs{overflow-x:auto; overflow-y:hidden; gap:8px; padding-bottom:4px; -ms-overflow-style:none; scrollbar-width:none}
  .tabs::-webkit-scrollbar{display:none}
  .tab-btn{flex:0 0 auto; font-size:13px; padding:8px 12px}
  .theme-switcher{gap:8px}
  .grid3, .grid4, .grid5{grid-template-columns:1fr}
  .sliders-row{flex-direction:column}
  .slider{min-width:auto; width:100%}
  .actions{gap:8px}
  .actions > button{flex:1 1 100%; width:100%}
  #chartCanvas{width:100% !important; height:auto; aspect-ratio: 5 / 3}
  label{font-size:13px}
  input,select{padding:9px 10px}
}
@media (max-width: 420px){
  .theme-switcher{display:none}
  .brand h1{font-size:16px}
  body{font-size:15px}
  .tab-btn{font-size:12px; padding:8px 10px}
}