/* ============================================================
   NeurekaLab · Sistema de disseny del panell (nlab.css)
   Paleta coherent · fons blanc · components reutilitzables
   ============================================================ */
:root{
  /* Paleta */
  --primary:#0089ba;      /* cian NeurekaLab */
  --primary-600:#0a6f96;
  --primary-050:#e6f6fb;
  --accent:#00a9c7;       /* cian brillant (CTA) */
  --accent-050:#e6f6fb;
  /* Neutres */
  --bg:#eef7fb;           /* fons de l'app (cian molt clar) */
  --surface:#ffffff;      /* targetes */
  --surface-2:#f8f9fc;
  --border:#e7e9f0;
  --text:#172033;
  --muted:#6b7280;
  --muted-2:#9aa1ad;
  /* Estat */
  --ok:#16a34a; --ok-050:#eafaf0;
  --warn:#d97706; --warn-050:#fef3e2;
  --bad:#dc2626; --bad-050:#fdecec;
  /* Formes */
  --radius:14px; --radius-sm:10px; --radius-pill:999px;
  --shadow:0 1px 2px rgba(16,24,40,.04), 0 4px 16px rgba(16,24,40,.06);
  --shadow-sm:0 1px 2px rgba(16,24,40,.06);
  --font:'Inter',-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:20px;font-weight:700;margin:0}
h2{font-size:16px;font-weight:700;margin:0}
h3{font-size:14px;font-weight:700;margin:0 0 12px;color:#374151}

/* ---------- Layout / topbar ---------- */
.app{max-width:none;margin:0;padding:0 24px 48px}
.topbar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.85);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--border);margin-bottom:22px}
.topbar-in{max-width:1180px;margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--primary);font-size:16px}
.brand-logo{height:104px;width:auto;display:block}
.brand .dot{width:22px;height:22px;border-radius:7px;background:linear-gradient(135deg,var(--primary),var(--accent))}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:7px 12px;border-radius:var(--radius-sm);color:var(--muted);font-weight:600;font-size:13px}
.nav a:hover{background:var(--surface-2);text-decoration:none;color:var(--text)}
.nav a.active{background:var(--primary-050);color:var(--primary)}
.topbar .spacer{margin-left:auto}
.page-head{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:18px}
.page-head .spacer{margin-left:auto}
.updated{color:var(--muted-2);font-size:12px}

/* ---------- Cards ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm);padding:18px;margin-bottom:18px}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.card-head h3{margin:0}
.card-head .spacer{margin-left:auto}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:1fr 1fr}
@media(max-width:860px){.grid-2{grid-template-columns:1fr}}

/* ---------- KPI stat ---------- */
.stats{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:6px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow-sm);position:relative;transition:.15s}
.stat.link{cursor:pointer}
.stat.link:hover{border-color:#d5d8e4;box-shadow:var(--shadow);transform:translateY(-1px)}
.stat .k{color:var(--muted);font-size:12px;font-weight:600;display:flex;align-items:center;gap:6px}
.stat .v{font-size:26px;font-weight:800;margin-top:6px;letter-spacing:-.5px}
.stat .sub{font-size:12px;color:var(--muted-2);margin-top:2px}
.stat .arrow{position:absolute;top:14px;right:14px;color:var(--muted-2);font-size:13px;opacity:0;transition:.15s}
.stat.link:hover .arrow{opacity:1}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;background:var(--primary);color:#fff;border:1px solid transparent;border-radius:var(--radius-sm);padding:8px 14px;font-weight:700;font-size:13px;cursor:pointer;font-family:inherit;transition:.15s}
.btn:hover{background:var(--primary-600)}
.btn.ghost{background:var(--surface);color:var(--text);border-color:var(--border)}
.btn.ghost:hover{background:var(--surface-2)}
.btn.sm{padding:6px 10px;font-size:12px}
.btn.danger{background:var(--bad)}.btn.danger:hover{background:#b91c1c}
.btn:disabled{opacity:.55;cursor:not-allowed}

/* ---------- Inputs ---------- */
.input,select.input,textarea.input{width:100%;background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 11px;font-family:inherit;font-size:14px;transition:.15s}
.input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-050)}
label.lbl{display:block;font-size:12px;color:var(--muted);margin:10px 0 4px;font-weight:600}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;padding:2px 9px;border-radius:var(--radius-pill);font-size:12px;font-weight:600;background:var(--surface-2);color:var(--muted);border:1px solid var(--border)}
.badge.ok{background:var(--ok-050);color:var(--ok);border-color:transparent}
.badge.warn{background:var(--warn-050);color:var(--warn);border-color:transparent}
.badge.bad{background:var(--bad-050);color:var(--bad);border-color:transparent}
.badge.info{background:var(--accent-050);color:var(--accent);border-color:transparent}

/* ---------- Table ---------- */
.tbl-wrap{overflow:auto}
table.tbl{width:100%;border-collapse:collapse;font-size:13px}
table.tbl th,table.tbl td{padding:10px 12px;text-align:right;border-bottom:1px solid var(--border);white-space:nowrap}
table.tbl th:first-child,table.tbl td:first-child,table.tbl th.l,table.tbl td.l{text-align:left}
table.tbl thead th{color:var(--muted);font-weight:600;font-size:12px;position:sticky;top:0;background:var(--surface);cursor:pointer;user-select:none}
table.tbl thead th.nosort{cursor:default}
table.tbl thead th .caret{opacity:.35;font-size:10px;margin-left:4px}
table.tbl thead th.sorted .caret{opacity:1;color:var(--primary)}
table.tbl tbody tr:hover{background:var(--surface-2)}
table.tbl tbody td{color:#374151}
.tbl-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:12px}
.tbl-toolbar .grow{flex:1;min-width:160px}
.tbl-search{position:relative}
.tbl-search input{padding-left:32px}
.tbl-search::before{content:"🔍";position:absolute;left:10px;top:9px;font-size:12px;opacity:.6}

/* ---------- Loading / skeleton / empty ---------- */
.skeleton{background:linear-gradient(90deg,#eef0f5 25%,#f6f7fb 37%,#eef0f5 63%);background-size:400% 100%;animation:sk 1.3s ease infinite;border-radius:6px;height:12px}
@keyframes sk{0%{background-position:100% 50%}100%{background-position:0 50%}}
.sk-row{height:14px;margin:10px 0}
.spinner{width:16px;height:16px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;display:inline-block;vertical-align:-3px}
@keyframes spin{to{transform:rotate(360deg)}}
.empty{text-align:center;color:var(--muted-2);padding:26px 12px;font-size:13px}
.empty .ic{font-size:22px;display:block;margin-bottom:6px;opacity:.6}
.loading-note{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:12px}

/* ---------- Toast ---------- */
#nlab-toasts{position:fixed;right:18px;bottom:18px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{background:#111827;color:#fff;padding:11px 15px;border-radius:var(--radius-sm);box-shadow:var(--shadow);font-size:13px;font-weight:600;display:flex;gap:8px;align-items:center;animation:tin .2s ease;max-width:340px}
.toast.ok{background:var(--ok)}.toast.bad{background:var(--bad)}.toast.info{background:var(--primary)}
@keyframes tin{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* ---------- Utils ---------- */
.muted{color:var(--muted)}.small{font-size:12px}
.pos{color:var(--ok)}.neg{color:var(--bad)}
.note{color:var(--muted);font-size:12px;line-height:1.5}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>*{flex:1;min-width:150px}
.hide{display:none}

/* ---------- Dropzone ---------- */
.dropzone{border:2px dashed var(--border);border-radius:var(--radius-sm);padding:22px;text-align:center;color:var(--muted);cursor:pointer;transition:.15s;font-size:14px;background:var(--surface-2)}
.dropzone:hover{border-color:var(--primary)}
.dropzone.over{border-color:var(--primary);background:var(--primary-050);color:var(--primary)}