/* Shared styles for DietaLibre app pages */
*{box-sizing:border-box;margin:0;padding:0}
:root{
  --green:#2ecc71;--green-dark:#27ae60;
  --bg:#0a1929;--bg-2:#0f2640;--bg-3:#163455;
  --accent:#ffd43b;--red:#e74c3c;--muted:#a8b9cc;
  --rule:rgba(255,255,255,.08);
}
html,body{background:var(--bg);color:#fff;font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;line-height:1.5;-webkit-font-smoothing:antialiased;min-height:100vh}
.wrap{max-width:560px;margin:0 auto;padding:20px 18px 60px}
.bar{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.back{color:var(--muted);text-decoration:none;font-size:14px;font-weight:600}
.back:hover{color:#fff}
.logo{margin-left:auto;font-weight:800;color:var(--green);font-size:14px;letter-spacing:.5px}
h1{font-size:26px;font-weight:800;margin-bottom:8px;letter-spacing:-.5px;line-height:1.2}
.sub{color:var(--muted);font-size:15px;margin-bottom:24px}
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;font-weight:600;letter-spacing:.3px}
.field input, .field select{width:100%;background:var(--bg-2);border:2px solid transparent;color:#fff;padding:14px 16px;border-radius:10px;font-size:16px;font-family:inherit;outline:none}
.field input:focus, .field select:focus{border-color:var(--green)}
.field input[type=number]{font-variant-numeric:tabular-nums}
.row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.btn{width:100%;background:var(--green);color:#fff;border:0;padding:16px;border-radius:10px;font-size:16px;font-weight:800;cursor:pointer;font-family:inherit;margin-top:8px;transition:background .15s,transform .15s}
.btn:hover{background:var(--green-dark);transform:translateY(-1px)}
.btn:disabled{opacity:.4;cursor:not-allowed}
.btn-ghost{background:transparent;border:1px solid var(--rule);color:#fff}
.btn-ghost:hover{background:var(--bg-2)}
.result{background:var(--bg-2);border-radius:14px;padding:20px;margin-top:18px;border-left:4px solid var(--green);display:none}
.result.show{display:block;animation:slide .3s ease}
@keyframes slide{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.result h2{font-size:18px;margin-bottom:14px;color:#fff}
.metric{display:flex;justify-content:space-between;align-items:baseline;padding:10px 0;border-bottom:1px solid var(--rule);font-size:15px}
.metric:last-child{border-bottom:none}
.metric .lbl{color:var(--muted)}
.metric .val{font-weight:700;color:var(--accent);font-size:18px}
.note{background:var(--bg-2);border-left:3px solid var(--accent);padding:12px 14px;border-radius:6px;font-size:13px;color:var(--muted);margin-top:14px;line-height:1.5}
.note strong{color:#fff;font-weight:700}
.tabs{display:flex;background:var(--bg-2);border-radius:10px;padding:4px;margin-bottom:18px}
.tabs button{flex:1;background:transparent;border:0;padding:10px;border-radius:8px;color:var(--muted);font-weight:700;font-size:13px;cursor:pointer;font-family:inherit;transition:all .15s}
.tabs button.active{background:var(--green);color:#fff}
.disclaimer{margin-top:30px;font-size:11px;color:var(--muted);text-align:center;line-height:1.5}
.help{font-size:12px;color:var(--muted);margin-top:4px}
.warn-box{background:rgba(231,76,60,.1);border-left:3px solid var(--red);padding:12px 14px;border-radius:6px;font-size:13px;margin-top:14px;color:#fff}
.bar-meter{height:8px;background:var(--bg-2);border-radius:4px;overflow:hidden;margin-top:8px}
.bar-meter .fill{height:100%;background:linear-gradient(90deg,var(--green),#27ae60);transition:width .4s ease}