:root{
  --teal:#1f6f78; --teal-dark:#17565d; --ink:#222; --muted:#667;
  --line:#dde3e6; --bg:#f4f6f7;
  --green:#27ae60; --yellow:#f1c40f; --orange:#e67e22; --red:#c0392b;
}
*{box-sizing:border-box}
body{margin:0;font:15px/1.45 system-ui,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
.content{max-width:1100px;margin:1.2rem auto;padding:0 1rem}

/* top bar */
.topbar{display:flex;align-items:center;gap:1rem;background:var(--teal);color:#fff;padding:.6rem 1rem}
.topbar a{color:#fff}
.brand{font-weight:700;font-size:1.15rem}
.topbar nav a{margin-right:.8rem;opacity:.92}
.spacer{flex:1}
.whoami{opacity:.9;font-size:.85rem}
.logout{margin-left:1rem;border:1px solid rgba(255,255,255,.5);padding:.2rem .6rem;border-radius:4px}
.langsel{background:rgba(255,255,255,.15);color:#fff;border:1px solid rgba(255,255,255,.4);border-radius:4px;padding:.15rem .3rem;font-size:.82rem}
.langsel option{color:#000}

/* cards / tables */
.card{background:#fff;border:1px solid var(--line);border-radius:8px;padding:1rem 1.2rem;margin-bottom:1.2rem}
h1{font-size:1.4rem;margin:.2rem 0 1rem}
h2{font-size:1.1rem;color:var(--teal-dark);border-bottom:2px solid var(--line);padding-bottom:.3rem;margin:1.4rem 0 .7rem}
table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:.4rem .5rem;border-bottom:1px solid var(--line);font-size:.9rem}
th{color:var(--muted);font-weight:600}
.btn{display:inline-block;background:var(--teal);color:#fff;border:0;border-radius:5px;padding:.5rem .9rem;cursor:pointer;font-size:.9rem}
.btn.secondary{background:#fff;color:var(--teal);border:1px solid var(--teal)}
.btn:hover{background:var(--teal-dark)}
label{display:block;font-size:.82rem;color:var(--muted);margin:.6rem 0 .15rem}
input,select,textarea{width:100%;padding:.45rem;border:1px solid var(--line);border-radius:5px;font:inherit}
textarea{min-height:5rem}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:.2rem 1rem}
.row{display:flex;gap:.8rem;align-items:center}
.muted{color:var(--muted)}

/* login */
.login-wrap{max-width:360px;margin:6vh auto}
.login-wrap .brand-big{font-size:1.8rem;font-weight:700;color:var(--teal);text-align:center;margin-bottom:1rem}
.err{background:#fdecea;color:var(--red);padding:.5rem .7rem;border-radius:5px;margin-bottom:.7rem}

/* z-score band bar (elements + ratios) */
.zbar{position:relative;height:16px;border-radius:3px;overflow:hidden;
  background:linear-gradient(90deg,
    var(--red) 0 14.28%, var(--orange) 14.28% 28.57%, var(--yellow) 28.57% 42.85%,
    var(--green) 42.85% 57.14%, var(--yellow) 57.14% 71.42%,
    var(--orange) 71.42% 85.71%, var(--red) 85.71% 100%);min-width:120px}
.zbar .marker{position:absolute;top:-2px;width:2px;height:20px;background:#111}
.zbar .marker::after{content:"";position:absolute;left:-4px;top:-2px;width:10px;height:10px;border-radius:50%;background:#111}

/* score bar (functional indexes / impact 0..>1.8) */
.scorebar{position:relative;height:16px;border-radius:3px;overflow:hidden;
  background:linear-gradient(90deg,var(--green) 0 30%,var(--yellow) 30% 60%,var(--orange) 60% 90%,var(--red) 90% 100%);min-width:120px}
.scorebar .marker{position:absolute;top:-2px;width:2px;height:20px;background:#111}

/* band chips */
.chip{display:inline-block;padding:.05rem .45rem;border-radius:10px;font-size:.78rem;color:#fff}
.b-green{background:var(--green)} .b-yellow{background:#c9a200} .b-orange{background:var(--orange)} .b-red{background:var(--red)}
.delta-pos{color:var(--green)} .delta-neg{color:var(--red)}
.toolbar{display:flex;gap:.6rem;align-items:center;flex-wrap:wrap;margin-bottom:1rem}
.toolbar label{display:inline-flex;gap:.25rem;align-items:center;margin:0;font-size:.85rem;color:var(--ink)}
.status{background:#eef6f7;border:1px solid var(--line);padding:.5rem .7rem;border-radius:5px;margin:.5rem 0}