/* ============================================================
   POSTA — design system (interfaccia gestionale)
   Caricato da lib.php via <link>. Nessuna dipendenza esterna.
   ============================================================ */
:root{
  --brand:#4f46e5;        /* indaco */
  --brand-600:#4338ca;
  --brand-50:#eef2ff;
  --ink:#0f172a;          /* testo principale */
  --ink-2:#475569;        /* testo secondario */
  --muted:#94a3b8;
  --line:#e5e7eb;
  --line-2:#f1f5f9;
  --bg:#f6f7fb;
  --card:#ffffff;
  --ok:#16a34a; --ok-bg:#dcfce7; --ok-line:#86efac;
  --warn:#b45309; --warn-bg:#fef3c7; --warn-line:#fcd34d;
  --err:#dc2626; --err-bg:#fee2e2; --err-line:#fca5a5;
  --radius:14px;
  --radius-sm:9px;
  --shadow:0 1px 2px rgba(16,24,40,.06), 0 8px 24px -12px rgba(16,24,40,.18);
  --shadow-sm:0 1px 2px rgba(16,24,40,.06);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background:var(--bg);
  margin:0;color:var(--ink);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}

/* ---------- header / topbar ---------- */
header{
  background:#fff;
  border-bottom:1px solid var(--line);
  padding:.75rem 1.5rem;
  display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:.75rem;
  position:sticky;top:0;z-index:50;
}
header .brand{display:flex;align-items:center;gap:.55rem;font-weight:800;font-size:1.05rem;letter-spacing:-.02em;color:var(--ink)}
header .brand .logo{
  width:30px;height:30px;border-radius:8px;
  background:linear-gradient(135deg,var(--brand),#7c3aed);
  display:grid;place-items:center;color:#fff;font-size:.95rem;
  box-shadow:0 2px 8px -2px rgba(79,70,229,.6);
}
header nav{display:flex;align-items:center;gap:.25rem;flex-wrap:wrap}
header nav a{
  color:var(--ink-2);text-decoration:none;
  font-size:.9rem;font-weight:600;
  padding:.45rem .8rem;border-radius:8px;
  transition:background .12s,color .12s;
}
header nav a:hover{background:var(--line-2);color:var(--ink)}
header nav a.active{background:var(--brand-50);color:var(--brand-600)}
header nav a.exit{color:var(--muted)}

/* ---------- layout ---------- */
main{max-width:1040px;margin:1.75rem auto;padding:0 1.25rem}
.page-title{font-size:1.55rem;font-weight:800;letter-spacing:-.025em;margin:.2rem 0 1.2rem}
.page-title small{display:block;font-size:.9rem;font-weight:500;color:var(--ink-2);margin-top:.25rem}

/* ---------- card ---------- */
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.4rem 1.5rem;
  margin-bottom:1.25rem;
  box-shadow:var(--shadow-sm);
}
.card > h2{
  font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;
  color:var(--ink-2);margin:0 0 1rem;
  display:flex;align-items:center;gap:.5rem;
}
.card > h2 .badge{text-transform:none;letter-spacing:0}

/* ---------- stat tiles ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.75rem;margin-bottom:.25rem}
.stat{
  background:linear-gradient(180deg,#fff,#fafbff);
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  padding:.9rem 1rem;text-align:left;
}
.stat b{display:block;font-size:1.7rem;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.stat span{font-size:.78rem;color:var(--ink-2);font-weight:500}

/* ---------- form controls ---------- */
label{font-size:.9rem;color:var(--ink);font-weight:500}
.field-label{display:block;font-weight:600;font-size:.85rem;margin:0 0 .35rem;color:var(--ink)}
input[type=text],input[type=email],input[type=password],input[type=number],
input[type=datetime-local],textarea,select{
  width:100%;padding:.6rem .7rem;
  border:1px solid #cbd5e1;border-radius:var(--radius-sm);
  background:#fff;color:var(--ink);
  font-family:inherit;font-size:.92rem;
  transition:border-color .12s,box-shadow .12s;
}
input:focus,textarea:focus,select:focus{
  outline:none;border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-50);
}
textarea{min-height:220px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.88rem;line-height:1.55}
input[type=file]{font-size:.9rem}

/* ---------- buttons ---------- */
button,a.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.4rem;
  background:var(--brand);color:#fff;border:0;
  border-radius:var(--radius-sm);
  padding:.6rem 1.1rem;cursor:pointer;
  font-family:inherit;font-weight:600;font-size:.9rem;
  text-decoration:none;line-height:1.2;
  transition:background .12s,transform .04s,box-shadow .12s;
  box-shadow:var(--shadow-sm);
}
button:hover,a.btn:hover{background:var(--brand-600)}
button:active,a.btn:active{transform:translateY(1px)}
button.secondary,a.btn.secondary{background:#fff;color:var(--ink);border:1px solid #cbd5e1;box-shadow:none}
button.secondary:hover{background:var(--line-2)}
button.danger{background:#fff;color:var(--err);border:1px solid var(--err-line);box-shadow:none}
button.danger:hover{background:var(--err-bg)}
button.ghost{background:transparent;color:var(--ink-2);box-shadow:none}
button.ghost:hover{background:var(--line-2)}
button:disabled{opacity:.55;cursor:not-allowed}

/* ---------- alerts ---------- */
.ok,.err,.warn{padding:.75rem 1rem;border-radius:var(--radius-sm);margin-bottom:1.1rem;font-size:.9rem;font-weight:500;border:1px solid}
.ok{background:var(--ok-bg);border-color:var(--ok-line);color:#166534}
.err{background:var(--err-bg);border-color:var(--err-line);color:#991b1b}
.warn{background:var(--warn-bg);border-color:var(--warn-line);color:#92400e}

/* ---------- hints & misc ---------- */
.hint{font-size:.82rem;color:var(--ink-2);line-height:1.5}
code{background:var(--line-2);padding:.1rem .35rem;border-radius:5px;font-size:.85em;font-family:ui-monospace,monospace}

/* ---------- tables ---------- */
table{width:100%;border-collapse:collapse;font-size:.9rem}
th,td{text-align:left;padding:.7rem .65rem;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:0}
th{background:transparent;font-size:.72rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:700;border-bottom:1px solid var(--line)}
tbody tr{transition:background .1s}
tbody tr:hover{background:var(--line-2)}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:.3rem;padding:.2rem .6rem;border-radius:99px;font-size:.74rem;font-weight:600;line-height:1.4}
.badge::before{content:"";width:6px;height:6px;border-radius:99px;background:currentColor;opacity:.7}
.b-bozza{background:#f1f5f9;color:#475569}
.b-in_corso{background:#dbeafe;color:#1d4ed8}
.b-completata{background:#dcfce7;color:#15803d}

/* ---------- progress bar ---------- */
.bar{background:var(--line);border-radius:99px;height:9px;overflow:hidden;margin:.5rem 0 .6rem}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--brand),#7c3aed);border-radius:99px;transition:width .4s}

/* ---------- rows / layout helpers ---------- */
.row{display:flex;gap:1rem;align-items:center;flex-wrap:wrap;margin-top:.6rem}
.row.tight{gap:.6rem}
.divider{border:0;border-top:1px solid var(--line);margin:1.1rem 0}
.divider.dashed{border-top-style:dashed}

/* ---------- code/log output ---------- */
pre{background:#0f172a;color:#e2e8f0;padding:1rem;border-radius:var(--radius-sm);font-size:.8rem;max-height:280px;overflow:auto;line-height:1.6}

/* ---------- login screen ---------- */
.login-wrap{min-height:calc(100vh - 60px);display:grid;place-items:center;padding:1rem}
.login-card{width:100%;max-width:360px}
.login-card .logo-big{width:52px;height:52px;border-radius:13px;background:linear-gradient(135deg,var(--brand),#7c3aed);display:grid;place-items:center;color:#fff;font-size:1.5rem;margin:0 auto 1rem;box-shadow:0 6px 20px -6px rgba(79,70,229,.6)}

@media(max-width:600px){
  main{margin:1rem auto}
  .card{padding:1.1rem 1.1rem}
  header{padding:.6rem .9rem}
}