:root {
  --bg: #f4f5f7; --surface: #fff; --border: #e3e5e8; --border-strong: #cdd0d4;
  --text: #1f2328; --muted: #6b7280; --tertiary: #9aa0a6;
  --primary: #2563eb; --primary-bg: #eaf1fe; --primary-bd: #bcd3fb;
  --danger: #dc2626; --danger-bg: #fdecec; --danger-bd: #f3bcbc;
  --ok: #16a34a; --warn: #d97706;
  --radius: 10px;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.muted { color: var(--muted); }
.ti { vertical-align: -2px; }

/* ─── Auth (login / setup) ─────────────────────────────────────────────── */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 1.5rem; }
.auth-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px;
  padding: 2rem 1.75rem; width: 340px; text-align: center;
}
.auth-logo {
  width: 54px; height: 54px; border-radius: 50%; background: var(--primary-bg);
  color: var(--primary); display: flex; align-items: center; justify-content: center;
  font-size: 26px; margin: 0 auto 12px;
}
.auth-logo-img { display: block; width: 130px; max-width: 75%; height: auto; margin: 4px auto 14px; }
.auth-card h1 { font-size: 20px; margin: 0 0 4px; font-weight: 600; }
.auth-card .muted { margin: 0 0 1.25rem; font-size: 13px; }
.auth-card label { display: block; text-align: left; font-size: 13px; color: var(--muted); margin: 10px 0 5px; }
.auth-card input[type=text], .auth-card input[type=password] {
  width: 100%; height: 40px; padding: 0 12px; border: 1px solid var(--border-strong);
  border-radius: 8px; font-size: 14px; background: #fff;
}
.auth-card select {
  width: 100%; height: 40px; padding: 0 10px; border: 1px solid var(--border-strong);
  border-radius: 8px; font-size: 14px; background: #fff; cursor: pointer;
}
.auth-card input:focus, .auth-card select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-bg); }
.auth-card button { width: 100%; margin-top: 1.25rem; }
#m-local button { margin-top: 14px; }
.auth-card .hint { font-size: 12px; color: var(--tertiary); margin: 1rem 0 0; }
.sso-sep { display: flex; align-items: center; gap: 10px; margin: 16px 0 12px; color: var(--tertiary); font-size: 12px; }
.sso-sep::before, .sso-sep::after { content: ""; flex: 1; height: 1px; background: var(--border); }
.btn-sso { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%;
  padding: 11px 14px; border: 1px solid var(--border-strong); border-radius: 8px; background: var(--surface);
  color: var(--text); font-size: 14px; font-weight: 500; text-decoration: none; cursor: pointer; box-sizing: border-box; }
.btn-sso:hover { background: var(--primary-bg); border-color: var(--primary-bd); color: #1d4fd7; }
.alert { background: var(--danger-bg); color: var(--danger); border: 1px solid var(--danger-bd);
  border-radius: 8px; padding: 8px 12px; font-size: 13px; margin-bottom: 8px; text-align: left; }

/* ─── Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 6px; height: 36px; padding: 0 14px;
  border: 1px solid var(--border-strong); background: #fff; color: var(--text);
  border-radius: 8px; font-size: 13px; cursor: pointer; text-decoration: none; white-space: nowrap;
}
.btn:hover { background: #f6f7f9; }
.btn:active { transform: scale(.98); }
.btn-primary { background: var(--primary); border-color: var(--primary); color: #fff; }
.btn-primary:hover { background: #1d4fd7; }
.btn-danger { color: var(--danger); border-color: var(--danger-bd); background: #fff; }
.btn-danger:hover { background: var(--danger-bg); }

/* ─── App chrome ────────────────────────────────────────────────────────── */
#app { max-width: 1000px; margin: 0 auto; padding: 0 16px 80px; }
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 14px 4px; }
.brand { font-size: 17px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.brand .ti { color: var(--primary); }
.brand-logo { height: 28px; width: auto; display: block; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.who { font-size: 13px; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.badge { font-size: 11px; padding: 2px 8px; border-radius: 6px; }
.badge-w { background: #e7f6ee; color: #15803d; }
.badge-r { background: #eef0f2; color: #4b5563; }

.toolbar { display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px; }
.spacer { flex: 1; }
.search { position: relative; }
.search .ti { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--tertiary); }
.search input { height: 34px; width: 180px; padding: 0 10px 0 30px; border: 1px solid var(--border-strong);
  border-radius: 8px; font-size: 13px; }
.search input:focus { outline: none; border-color: var(--primary); }

.crumbs { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; padding: 12px 4px; font-size: 13px; }
.crumbs a { color: var(--primary); text-decoration: none; cursor: pointer; }
.crumbs a:hover { text-decoration: underline; }
.crumbs .sep { color: var(--tertiary); }
.crumbs .cur { color: var(--muted); }

/* ─── Listing ───────────────────────────────────────────────────────────── */
.listing { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.list-head, .row { display: grid; grid-template-columns: 36px 1fr 110px 120px 96px; align-items: center; gap: 8px; padding: 9px 14px; }
.list-head { font-size: 12px; color: var(--tertiary); border-bottom: 1px solid var(--border); }
.col-size { text-align: right; } .col-act { text-align: right; }
.row { border-bottom: 1px solid var(--border); font-size: 13px; }
.row:last-child { border-bottom: none; }
.row:hover { background: #fafbfc; }
.row.sel { background: var(--primary-bg); }
.name { display: flex; align-items: center; gap: 9px; min-width: 0; }
.name .ti { font-size: 19px; flex: none; }
.name .ico-dir { color: var(--warn); }
.name .ico-file { color: var(--tertiary); }
.name .label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.name.clickable .label { cursor: pointer; }
.name.clickable .label:hover { color: var(--primary); text-decoration: underline; }
.size { text-align: right; color: var(--tertiary); }
.date { color: var(--muted); }
.acts { text-align: right; white-space: nowrap; }
.acts .ti { font-size: 17px; color: var(--muted); cursor: pointer; margin-left: 12px; }
.acts .ti:hover { color: var(--text); }
.row:hover .acts .ti { color: var(--text); }                 /* icone più evidenti al passaggio sulla riga */
.acts .ti-trash { color: #c98a8a; }                          /* il cestino si distingue già a riposo */
.acts .ti-trash:hover { color: var(--danger); }
.empty { padding: 40px; text-align: center; color: var(--tertiary); }
.empty .ti { font-size: 22px; vertical-align: -3px; margin-right: 6px; }

/* ─── Selection bar ─────────────────────────────────────────────────────── */
.selbar { position: fixed; left: 50%; bottom: 18px; transform: translateX(-50%);
  width: min(968px, calc(100% - 32px)); display: flex; align-items: center; gap: 8px;
  background: #fff; border: 1px solid var(--border-strong); border-radius: var(--radius);
  padding: 10px 14px; box-shadow: 0 6px 24px rgba(0,0,0,.10); }
#selCount { font-size: 13px; color: var(--muted); }

/* ─── Drag & drop ───────────────────────────────────────────────────────── */
.dropzone-hint { position: fixed; inset: 0; display: none; align-items: center; justify-content: center;
  background: rgba(37,99,235,.08); border: 3px dashed var(--primary); color: var(--primary);
  font-size: 18px; z-index: 50; pointer-events: none; }
.dropzone-hint .ti { font-size: 22px; margin-right: 8px; }
body.dragging .dropzone-hint { display: flex; }

/* ─── Modals ────────────────────────────────────────────────────────────── */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.45); display: flex; align-items: center;
  justify-content: center; z-index: 100; padding: 1rem; }
.modal { background: #fff; border-radius: 12px; padding: 1.25rem; width: 380px; max-width: 100%; }
.modal h3 { margin: 0 0 14px; font-size: 16px; font-weight: 600; display: flex; align-items: center; gap: 8px; }
.modal label { display: block; font-size: 13px; color: var(--muted); margin: 10px 0 5px; }
.modal input[type=text], .modal input[type=password], .modal textarea, .modal select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border-strong); border-radius: 8px; font-size: 14px; }
.modal textarea { min-height: 120px; font-family: ui-monospace, Menlo, monospace; }
.modal input:focus, .modal textarea:focus, .modal select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-bg); }
.modal-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }
.modal .center { text-align: center; }
.modal .warn-ico { width: 46px; height: 46px; border-radius: 50%; background: var(--danger-bg); color: var(--danger);
  display: flex; align-items: center; justify-content: center; font-size: 24px; margin: 0 auto 10px; }
.perm-row { display: flex; gap: 8px; }
.perm-opt { flex: 1; border: 1px solid var(--border-strong); border-radius: 8px; padding: 8px 10px;
  font-size: 12px; display: flex; align-items: center; gap: 6px; cursor: pointer; }
.perm-opt.active { background: var(--primary-bg); border-color: var(--primary-bd); color: #1d4fd7; }
.progress { height: 6px; border-radius: 3px; background: #eef0f2; overflow: hidden; margin-top: 6px; }
.progress > div { height: 100%; background: var(--primary); width: 0; transition: width .2s; }

/* ─── Users table (admin) ───────────────────────────────────────────────── */
.utable { width: 100%; border-collapse: collapse; font-size: 13px; }
.utable th { text-align: left; font-weight: 500; color: var(--tertiary); font-size: 12px; padding: 6px 8px; border-bottom: 1px solid var(--border); }
.utable td { padding: 9px 8px; border-bottom: 1px solid var(--border); }
.utable .uact .ti { font-size: 17px; color: var(--tertiary); cursor: pointer; margin-left: 10px; }
.utable .uact .ti:hover { color: var(--text); }
.utable .uspace { min-width: 150px; }
.quota-bar { height: 6px; border-radius: 4px; background: var(--border); overflow: hidden; margin-bottom: 3px; }
.quota-bar > div { height: 100%; border-radius: 4px; }
.quota-bar .q-green { background: #1a7f37; }
.quota-bar .q-amber { background: #c98a00; }
.quota-bar .q-red   { background: #c0392b; }
.quota-txt { font-size: 11px; color: var(--tertiary); }
.sw { display: flex; align-items: center; gap: 8px; font-size: 13px; color: var(--text); cursor: pointer; }
.sw input { width: auto; margin: 0; }
.set-tabs { display: flex; gap: 4px; margin: 0 0 14px; border-bottom: 1px solid var(--border); }
.set-tabs button { width: auto; margin: 0; background: none; border: none; border-bottom: 2px solid transparent;
  padding: 7px 12px; font-size: 13px; color: var(--tertiary); cursor: pointer; display: inline-flex; align-items: center; gap: 6px; }
.set-tabs button:hover { color: var(--text); }
.set-tabs button.active { color: var(--primary); border-bottom-color: var(--primary); font-weight: 500; }
/* Pannello Amministrazione: un solo contesto di scroll, footer azioni fisso */
.admin-modal { display: flex; flex-direction: column; max-height: 88vh; }
.admin-modal .adm-tabs { display: flex; gap: 6px; margin-bottom: 12px; flex-wrap: wrap; flex: 0 0 auto; }
.admin-modal #adm_body { flex: 1 1 auto; min-height: 0; overflow-y: auto; padding-right: 4px; }
.admin-modal .modal-actions { flex: 0 0 auto; position: sticky; bottom: 0; background: var(--surface, #fff);
  border-top: 1px solid var(--border); padding-top: 12px; margin: 0; display: flex; justify-content: flex-end; gap: 8px; }
.admin-modal .set-tabs { position: sticky; top: 0; background: var(--surface, #fff); z-index: 1; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 12px; }
.grid2 .fld { display: flex; flex-direction: column; min-width: 0; }
.grid2 .fld label { margin: 0 0 4px; }
.grid2 .fld input { width: 100%; box-sizing: border-box; }
@media (max-width: 560px) { .grid2 { grid-template-columns: 1fr; } }
details.adv { margin-top: 10px; border-top: 1px solid var(--border); padding-top: 8px; }
details.adv summary { cursor: pointer; font-size: 12px; color: var(--primary); user-select: none; list-style: none; padding: 2px 0; }
details.adv summary::-webkit-details-marker { display: none; }
details.adv summary::before { content: "▸ "; }
details.adv[open] summary::before { content: "▾ "; }
.modal.wide { width: 520px; }
.editor-modal { width: min(900px, 96vw); }
.editor-host { border: 1px solid var(--border-strong); border-radius: 8px; height: min(62vh, 480px); overflow: hidden; }
.editor-host textarea { background: var(--surface); color: var(--text); }
.editor-host .cm-editor { height: 100%; font-size: 13px; }
.editor-host .cm-scroller { overflow: auto; }
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: #1f2328; color: #fff;
  padding: 10px 16px; border-radius: 8px; font-size: 13px; z-index: 200; opacity: 0; transition: opacity .2s; }
.toast.show { opacity: 1; }
.toast.err { background: var(--danger); }

/* ─── Pagina pubblica di condivisione ───────────────────────────────────── */
.share-wrap { max-width: 760px; margin: 0 auto; padding: 0 16px 50px; }
.share-exp { font-size: 13px; color: var(--muted); text-align: center; margin: 6px 0 14px; }
.share-row { display: grid; grid-template-columns: 1fr 110px 40px; align-items: center; gap: 8px;
  padding: 10px 14px; border-bottom: 1px solid var(--border); font-size: 13px; }
.share-row:last-child { border-bottom: none; }
.share-row .name { display: flex; align-items: center; gap: 9px; min-width: 0; text-decoration: none; color: var(--text); }
.share-row .name .ti { font-size: 19px; flex: none; }
.share-row .label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.share-row a.name.clickable:hover .label { color: var(--primary); text-decoration: underline; }
.share-row a.dl { color: var(--tertiary); text-align: right; }
.share-row a.dl:hover { color: var(--primary); }
.share-brand { text-align: center; color: var(--tertiary); font-size: 12px; margin-top: 22px;
  display: flex; align-items: center; justify-content: center; gap: 6px; }
.share-brand img { height: 18px; }