/* Registre d'élevage — feuille de style (mobile-first, sans dépendance) */
:root{
  --bg:#f1f5f9; --card:#fff; --ink:#0f172a; --muted:#64748b; --line:#e2e8f0;
  --teal:#0e7490; --teal-d:#155e75; --teal-l:#cffafe;
  --green:#16a34a; --red:#dc2626; --amber:#d97706; --blue:#2563eb;
  --radius:14px; --shadow:0 1px 3px rgba(15,23,42,.08),0 1px 2px rgba(15,23,42,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:16px;line-height:1.45;
  padding-bottom:env(safe-area-inset-bottom)}

/* Topbar */
.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  gap:8px;padding:10px 14px;background:var(--teal);color:#fff;padding-top:calc(10px + env(safe-area-inset-top))}
.brand{color:#fff;text-decoration:none;font-weight:700;font-size:17px;display:flex;align-items:center;gap:8px}
.brand-logo{font-size:20px}
.topbar-right{display:flex;align-items:center;gap:10px}
.who{font-size:13px;opacity:.95;max-width:42vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#fff;text-decoration:none;border-bottom:1px dotted rgba(255,255,255,.5)}
.btn-ghost{color:#fff;text-decoration:none;font-size:20px;line-height:1;padding:4px 8px;border-radius:8px}
.btn-ghost:hover{background:rgba(255,255,255,.15)}

/* Navigation */
.mainnav{position:sticky;top:0;z-index:20;display:flex;gap:4px;overflow-x:auto;background:var(--card);
  border-bottom:1px solid var(--line);padding:6px 8px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.mainnav::-webkit-scrollbar{display:none}
.mainnav a{flex:0 0 auto;display:flex;flex-direction:column;align-items:center;gap:2px;text-decoration:none;
  color:var(--muted);font-size:11px;font-weight:600;padding:6px 10px;border-radius:10px;min-width:62px}
.mainnav a .ic{font-size:18px}
.mainnav a.active{color:var(--teal-d);background:var(--teal-l)}
.mainnav a:hover{background:#f8fafc}

/* Layout */
.container{max-width:1000px;margin:0 auto;padding:16px 14px 40px}
h1{font-size:22px;margin:.2em 0 .6em}
h2{font-size:17px;margin:1.2em 0 .5em}
.muted{color:var(--muted)}
.appfoot{text-align:center;color:var(--muted);font-size:12px;padding:18px}

/* Cards & grids */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  padding:16px;margin-bottom:14px}
.grid{display:grid;gap:12px}
.grid.cols2{grid-template-columns:repeat(auto-fill,minmax(160px,1fr))}
.grid.cols3{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.stat .v{font-size:26px;font-weight:800;color:var(--teal-d)}
.stat .l{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}

/* Bassin tiles */
.bassins-grid{display:grid;gap:10px;grid-template-columns:repeat(auto-fill,minmax(155px,1fr))}
.bassin{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px;text-align:left;
  box-shadow:var(--shadow);text-decoration:none;color:inherit;display:block}
.bassin.vide{opacity:.6}
.bassin .bhead{display:flex;align-items:center;justify-content:space-between;gap:6px}
.bassin .bnum{font-size:17px;font-weight:800;color:var(--teal-d)}
.bassin .dot{width:11px;height:11px;border-radius:50%;flex:0 0 auto}
.dot.ok{background:var(--green)}.dot.warn{background:var(--red)}.dot.empty{background:#cbd5e1}
.bassin .bsub{font-size:12px;color:var(--muted);margin-top:1px}
.bassin .bline{font-size:13px;margin-top:5px}
.bassin .bline.esp{font-weight:600}
.bassin .bvide{margin-top:8px;color:var(--muted);font-size:13px}
.bassin .meta-eau{color:var(--teal-d)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;background:var(--teal);color:#fff;border:none;border-radius:10px;
  padding:11px 16px;font-size:15px;font-weight:600;cursor:pointer;text-decoration:none}
.btn:hover{background:var(--teal-d)}
.btn:active{transform:translateY(1px)}
.btn.secondary{background:#fff;color:var(--teal-d);border:1px solid var(--teal)}
.btn.danger{background:var(--red)}
.btn.block{width:100%;justify-content:center}
.btn.sm{padding:7px 11px;font-size:13px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin:10px 0}

/* Forms */
label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin:10px 0 4px}
input,select,textarea{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:10px;font-size:16px;
  background:#fff;color:var(--ink);font-family:inherit}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 3px var(--teal-l)}
.form-row{display:grid;gap:12px}
@media(min-width:560px){.form-row.two{grid-template-columns:1fr 1fr}.form-row.three{grid-template-columns:1fr 1fr 1fr}}
.hint{font-size:12px;color:var(--muted);margin-top:3px}

/* Tables */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line)}
table{width:100%;border-collapse:collapse;background:var(--card);font-size:14px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f8fafc;font-size:12px;text-transform:uppercase;letter-spacing:.03em;color:var(--muted)}
tr:last-child td{border-bottom:none}

/* Badges & flash */
.badge{display:inline-block;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600}
.badge.green{background:#dcfce7;color:#166534}.badge.red{background:#fee2e2;color:#991b1b}
.badge.amber{background:#fef3c7;color:#92400e}.badge.gray{background:#f1f5f9;color:#475569}
.badge.teal{background:var(--teal-l);color:var(--teal-d)}
.flash{padding:12px 14px;border-radius:10px;margin-bottom:12px;font-size:14px;font-weight:500}
.flash-success{background:#dcfce7;color:#166534}.flash-error{background:#fee2e2;color:#991b1b}
.flash-info{background:#dbeafe;color:#1e40af}.flash-warning{background:#fef3c7;color:#92400e}

/* Login */
.login-wrap{min-height:70vh;display:flex;align-items:center;justify-content:center;padding:20px}
.login-card{background:var(--card);border-radius:18px;box-shadow:var(--shadow);padding:28px;width:100%;max-width:380px}
.login-card h1{text-align:center}
.login-logo{font-size:46px;text-align:center;display:block;margin-bottom:6px}
.checkbox{display:flex;align-items:center;gap:8px;margin:14px 0}
.checkbox input{width:auto}