/* common.css — design system condiviso (palette charterpro/brochure) */
:root{
  --blue:#1B75BB; --azure:#29A8DF; --azure-light:#DDF1FA;
  --teal:#1FAFA0; --teal-dark:#0E7C72;
  --ink:#2c3e50; --muted:#7a8791; --line:#e2e8ee; --bg:#f5f9fc;
  --radius:10px; --shadow:0 2px 10px rgba(27,117,187,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.45}
code{background:rgba(27,117,187,.07);padding:1px 5px;border-radius:4px;font-size:.92em}

/* ---------- topbar + nav ---------- */
.topbar{background:linear-gradient(120deg,var(--blue),var(--azure));color:#fff;padding:16px 28px}
.topbar-inner{max-width:1180px;margin:0 auto;display:flex;align-items:center;gap:22px;flex-wrap:wrap}
.brand{flex:1;min-width:220px}
.topbar h1{margin:0;font-size:22px;letter-spacing:.3px}
.tagline{margin:4px 0 0;opacity:.9;font-size:13px}
.topnav{display:flex;gap:4px}
.topnav a{color:#fff;text-decoration:none;font-size:13px;font-weight:600;
  padding:7px 14px;border-radius:20px;opacity:.85}
.topnav a:hover{background:rgba(255,255,255,.14);opacity:1}
.topnav a.active{background:rgba(255,255,255,.22);opacity:1}
.svc-wrap{display:flex;align-items:center;gap:8px}
.svc-status{font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:20px;background:rgba(255,255,255,.15);color:#fff;cursor:default}
.svc-ok{background:rgba(46,204,113,.28);color:#eafff3}
.svc-warn{background:rgba(241,196,15,.30);color:#fff8e1}
.svc-down{background:rgba(231,76,60,.32);color:#ffe3e0}
.svc-checking{opacity:.85}
.svc-restart{width:30px;height:30px;padding:0;border-radius:50%;font-size:16px;line-height:1;cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid rgba(255,255,255,.55);background:rgba(255,255,255,.12);color:#fff}
.svc-restart:hover{background:rgba(255,255,255,.26)}
.svc-restart:disabled{opacity:.6;cursor:default}
.svc-restart.spinning{animation:spin .8s linear infinite}

/* ---------- toast + spinner ---------- */
.toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%,20px);
  background:#223;color:#fff;padding:11px 18px;border-radius:10px;font-size:14px;font-weight:600;
  box-shadow:0 8px 30px rgba(0,0,0,.3);opacity:0;pointer-events:none;transition:.25s;z-index:80}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast-ok{background:#1e8f5b}
.toast-err{background:#c0392b}
.spinner{display:inline-block;width:14px;height:14px;vertical-align:-2px;
  border:2px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;
  animation:spin .7s linear infinite}
.spinner-dark{border-color:rgba(27,117,187,.25);border-top-color:var(--blue)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- layout ---------- */
.layout{display:grid;grid-template-columns:minmax(320px,1fr) minmax(300px,420px);
  gap:22px;padding:22px;max-width:1180px;margin:0 auto;align-items:start}
.col{background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:20px}

/* ---------- form ---------- */
fieldset{border:1px solid var(--line);border-radius:8px;margin:0 0 16px;padding:14px}
legend{font-weight:700;font-size:13px;color:var(--blue);padding:0 6px}
.opt{font-weight:400;color:var(--muted);font-size:11px}
label{display:block;font-size:13px;font-weight:600;margin:0 0 12px}
.label-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.hint{font-weight:400;color:var(--muted);font-size:11px}
.field-help{margin:0 0 8px;font-size:12px;color:var(--muted)}
label input[type=text],label input[type=url],label input:not([type]),textarea{
  display:block;width:100%;margin-top:5px;padding:9px 11px;font-size:14px;font-weight:400;
  border:1px solid var(--line);border-radius:7px;background:#fff;
  font-family:inherit;resize:vertical}
input:focus,textarea:focus{outline:none;border-color:var(--azure);box-shadow:0 0 0 3px rgba(41,168,223,.15)}
.error{color:#c0392b;font-size:13px;margin:10px 0 0;white-space:pre-line}
.status{min-height:18px;margin-top:10px;font-size:13px}
.status.error{color:#c0392b}
.status.success{color:#1e8f5b}
.status.loading{color:var(--muted)}

/* ---------- bottoni ---------- */
.actions{display:flex;gap:10px}
.btn-primary{flex:1;width:100%;padding:12px;font-size:15px;font-weight:700;color:#fff;border:0;
  border-radius:9px;background:linear-gradient(120deg,var(--blue),var(--azure));cursor:pointer;
  display:inline-flex;align-items:center;justify-content:center;gap:7px}
.btn-primary:hover{filter:brightness(1.05)}
.btn-primary:disabled{opacity:.65;cursor:default}
.btn-secondary{padding:12px 16px;font-size:14px;font-weight:600;color:var(--blue);
  border:1px solid var(--azure);border-radius:9px;background:#fff;cursor:pointer}
.btn-secondary:hover{background:var(--azure-light)}
.btn-download{display:inline-flex;align-items:center;gap:6px;background:var(--blue);color:#fff;
  padding:7px 13px;border-radius:6px;border:0;font-size:13px;font-weight:600;cursor:pointer;
  text-decoration:none}
.btn-download:hover{filter:brightness(1.08)}

/* ---------- preview ---------- */
.preview-col h2,.preview-panel h2,.results h2{margin:0 0 12px;font-size:15px;color:var(--blue)}
.preview-stage{border:1px dashed var(--line);border-radius:8px;min-height:60vh;
  display:flex;align-items:center;justify-content:center;overflow:hidden;background:#fafcff}
.preview-stage iframe{width:100%;height:70vh;border:0}
.muted{color:var(--muted);font-size:13px}

/* ---------- risultati (file rows) ---------- */
.results{max-width:1180px;margin:0 auto 40px;padding:22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.results-header{display:flex;align-items:center;justify-content:space-between;gap:14px;
  flex-wrap:wrap;margin-bottom:12px}
.results-header h2{margin:0}
.results-header .btn-primary{flex:none;width:auto;padding:10px 16px;font-size:14px}
.results-meta{margin:4px 0 0;font-size:13px;color:var(--muted);word-break:break-all}
.results-footnote{margin:12px 0 0;font-size:12px;color:var(--muted)}
.file-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.file-row{display:flex;align-items:center;gap:12px;padding:10px 12px;
  border:1px solid var(--line);border-radius:8px;background:#fbfdff}
.file-icon{flex:none;width:34px;height:34px;color:var(--blue);display:flex;
  align-items:center;justify-content:center;background:var(--azure-light);border-radius:8px}
.file-icon svg{width:18px;height:18px}
.file-meta{flex:1;min-width:0}
.file-title{margin:0;font-weight:600;font-size:14px}
.file-sub{margin:2px 0 0;font-size:12px;color:var(--muted);overflow-wrap:anywhere}
.file-actions{display:flex;gap:8px;flex:none;flex-wrap:wrap}

/* ---------- modale (condivisa) ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(20,40,60,.6);
  display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
/* CRITICO: senza questa regola display:flex sovrascrive l'attributo hidden
   e la modale intercetta tutti i click */
.modal-overlay[hidden]{display:none !important}
.modal-card{background:#fff;border-radius:12px;max-width:92vw;max-height:92vh;
  display:flex;flex-direction:column;box-shadow:0 10px 40px rgba(0,0,0,.3);overflow:hidden}
.modal-header{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;
  padding:14px 18px;border-bottom:1px solid var(--line)}
.modal-titles h3{margin:0;font-size:16px;color:var(--blue)}
.modal-sub{margin:3px 0 0;font-size:12px;color:var(--muted)}
.modal-close{border:0;background:transparent;font-size:26px;line-height:1;cursor:pointer;color:var(--muted)}
.modal-body{overflow:auto;display:flex;align-items:center;justify-content:center;
  min-width:min(80vw,900px);min-height:40vh;background:#fafcff}
.modal-pdf{width:80vw;height:74vh;border:0}
.modal-image{max-width:86vw;max-height:74vh;display:block}
.modal-text{margin:0;padding:18px;font-size:13px;white-space:pre-wrap;max-height:74vh;overflow:auto;width:100%}
.modal-loading,.modal-unsupported{padding:40px;color:var(--muted);font-size:14px}
.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:12px 18px;border-top:1px solid var(--line)}
.modal-footer .btn-secondary{padding:8px 14px}

/* ---------- welcome ---------- */
.welcome{max-width:900px;margin:0 auto;padding:48px 22px 60px;text-align:center}
.welcome-title{margin:0 0 8px;font-size:26px;color:var(--blue)}
.welcome-sub{margin:0 0 34px;color:var(--muted);font-size:14px}
.welcome-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:22px}
.welcome-card{display:block;background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow);padding:34px 28px;text-decoration:none;color:var(--ink);
  transition:transform .15s, box-shadow .15s, border-color .15s;text-align:center}
.welcome-card:hover{transform:translateY(-3px);border-color:var(--azure);
  box-shadow:0 8px 24px rgba(27,117,187,.16)}
.welcome-icon{width:84px;height:84px;margin:0 auto 16px;border-radius:22px;color:#fff;
  background:linear-gradient(135deg,var(--blue),var(--azure));
  display:flex;align-items:center;justify-content:center}
.welcome-card h3{margin:0 0 8px;font-size:19px;color:var(--blue)}
.welcome-card p{margin:0 0 16px;font-size:13.5px;color:var(--muted);line-height:1.55}
.welcome-cta{font-weight:700;font-size:14px;color:var(--blue)}

@media(max-width:820px){
  .layout{grid-template-columns:1fr}
  .topbar-inner{gap:10px}
  .modal-body{min-width:0}
}