:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-2: #eef1f6;
  --text: #121826;
  --muted: #5b6474;
  --border: #dde2ea;
  --brand: #1f5fbf;
  --brand-ink: #ffffff;
  --danger: #b42318;
  --ok: #0f7a55;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 1px 3px rgb(16 24 40 / 8%);
  --shadow-hover: 0 8px 24px rgb(16 24 40 / 12%);
  --radius: 14px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141c;
    --surface: #171d27;
    --surface-2: #1f2733;
    --text: #e8ecf2;
    --muted: #9aa4b4;
    --border: #2a3342;
    --brand: #5b93e6;
    --brand-ink: #0b1220;
    --danger: #f2725f;
    --ok: #46c08f;
    --shadow: 0 1px 2px rgb(0 0 0 / 30%);
    --shadow-hover: 0 8px 24px rgb(0 0 0 / 45%);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }
[hidden] { display: none !important; }

/* ---------- Testata ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { width: 36px; height: 36px; flex: none; }
.brand-name { font-weight: 700; letter-spacing: -0.01em; line-height: 1.1; }
.brand-sub { display: block; font-size: 13px; font-weight: 500; color: var(--muted); }
.topbar .spacer { flex: 1; }
.user { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--muted); }
.avatar {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--surface-2); color: var(--text);
  font-size: 13px; font-weight: 600;
}

/* ---------- Pulsanti ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 9px;
  background: var(--surface);
  color: var(--text);
  font: inherit; font-size: 14px; font-weight: 500;
  text-decoration: none;
  cursor: pointer;
}
.btn:hover { background: var(--surface-2); }
.btn-primary { background: var(--brand); border-color: var(--brand); color: var(--brand-ink); }
.btn-primary:hover { background: var(--brand); filter: brightness(1.08); }
.btn-danger { color: var(--danger); }
.btn-icon { padding: 6px 9px; }
.btn:disabled { opacity: 0.4; cursor: default; }
:focus-visible { outline: 3px solid color-mix(in srgb, var(--brand) 55%, transparent); outline-offset: 2px; }

/* ---------- Welcome ---------- */
main { max-width: 1180px; margin: 0 auto; padding: 48px 32px 64px; }
.hero h1 { margin: 0; font-size: clamp(26px, 3.2vw, 34px); letter-spacing: -0.02em; }
.hero p { margin: 6px 0 0; color: var(--muted); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 20px;
  margin-top: 36px;
}

.tile {
  position: relative;
  display: flex; flex-direction: column; align-items: flex-start; gap: 18px;
  padding: 24px;
  min-height: 190px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.tile:hover { transform: translateY(-3px); box-shadow: var(--shadow-hover); border-color: color-mix(in srgb, var(--accent, var(--brand)) 45%, var(--border)); }
.tile::after {
  content: "";
  position: absolute; left: 0; right: 0; top: 0; height: 4px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: var(--accent, var(--brand));
}
.tile-name { font-size: 18px; font-weight: 650; letter-spacing: -0.01em; }
.tile-desc { margin-top: 2px; font-size: 14px; color: var(--muted); }
.tile-go { position: absolute; top: 22px; right: 20px; color: var(--muted); opacity: 0.6; transition: opacity 0.15s, transform 0.15s; }
.tile:hover .tile-go { opacity: 1; transform: translate(2px, -2px); }

.logo {
  width: 72px; height: 72px; flex: none;
  display: grid; place-items: center;
  border-radius: 16px;
  background: var(--accent, var(--brand));
  color: #fff;
  font-size: 24px; font-weight: 700; letter-spacing: -0.02em;
  overflow: hidden;
}
.logo.has-img { background: #fff; border: 1px solid var(--border); padding: 8px; }
.logo img { max-width: 100%; max-height: 100%; object-fit: contain; }
.logo.sm { width: 44px; height: 44px; border-radius: 11px; font-size: 15px; }
.logo.sm.has-img { padding: 5px; }

.empty {
  margin-top: 36px; padding: 40px;
  text-align: center; color: var(--muted);
  border: 1px dashed var(--border); border-radius: var(--radius);
}

footer { padding: 0 32px 32px; text-align: center; font-size: 13px; color: var(--muted); }

/* ---------- Login ---------- */
.login {
  min-height: 100vh;
  display: grid; place-items: center;
  padding: 24px 16px;
  background:
    radial-gradient(1200px 500px at 10% -10%, color-mix(in srgb, var(--brand) 18%, transparent), transparent 60%),
    var(--bg);
}
.login-card {
  width: 100%; max-width: 420px;
  padding: 40px 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow-hover);
  text-align: center;
}
.login-card .brand-mark { width: 56px; height: 56px; margin: 0 auto 18px; display: block; }
.login-card h1 { margin: 0; font-size: 24px; letter-spacing: -0.02em; }
.login-card p { margin: 8px 0 28px; color: var(--muted); }
.ms-btn {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  width: 100%; padding: 12px 16px;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); color: var(--text);
  font-size: 15px; font-weight: 600; text-decoration: none;
}
.ms-btn:hover { background: var(--surface-2); }
.login-note { margin-top: 20px !important; margin-bottom: 0 !important; font-size: 13px; }

/* ---------- Amministrazione ---------- */
.admin-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.rows { margin-top: 28px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.row { display: flex; align-items: center; gap: 16px; padding: 14px 18px; border-top: 1px solid var(--border); }
.row:first-child { border-top: 0; }
.row-main { flex: 1; min-width: 0; }
.row-name { font-weight: 600; }
.row-url { font-size: 13px; color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.row-actions { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; }
.badge { font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--muted); }
.row.is-hidden .row-main, .row.is-hidden .logo { opacity: 0.55; }

dialog {
  width: min(720px, calc(100vw - 32px));
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--shadow-hover);
}
dialog::backdrop { background: rgb(10 15 25 / 50%); }
.dlg-head { display: flex; align-items: center; justify-content: space-between; padding: 18px 24px; border-bottom: 1px solid var(--border); }
.dlg-head h2 { margin: 0; font-size: 18px; }
.dlg-body { display: grid; grid-template-columns: 1fr 240px; gap: 24px; padding: 24px; }
.dlg-foot { display: flex; justify-content: flex-end; gap: 10px; padding: 16px 24px; border-top: 1px solid var(--border); }
.fields { display: grid; gap: 14px; }
.field label { display: block; margin-bottom: 4px; font-size: 13px; font-weight: 600; }
.field .hint { font-weight: 400; color: var(--muted); }
.field input[type="text"], .field input[type="url"] {
  width: 100%; padding: 9px 11px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text); font: inherit; font-size: 14px;
}
.field-row { display: grid; grid-template-columns: 1fr 110px; gap: 12px; }
.field input[type="color"] { width: 100%; height: 40px; padding: 2px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); }
.logo-picker { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.checks { display: flex; gap: 20px; flex-wrap: wrap; font-size: 14px; }
.checks label { display: flex; align-items: center; gap: 8px; }
.preview-label { margin: 0 0 8px; font-size: 13px; font-weight: 600; color: var(--muted); }
.preview .tile { pointer-events: none; }
.error { margin: 0 24px; padding: 10px 12px; border-radius: 8px; background: color-mix(in srgb, var(--danger) 12%, transparent); color: var(--danger); font-size: 14px; }

.toast {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
  padding: 10px 16px; border-radius: 10px;
  background: var(--text); color: var(--bg);
  font-size: 14px; box-shadow: var(--shadow-hover);
}

@media (max-width: 720px) {
  .topbar { padding: 12px 16px; }
  .user-name { display: none; }
  main { padding: 32px 16px 48px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin-top: 24px; }
  .tile { min-height: 0; padding: 18px 16px; gap: 12px; }
  .tile .logo { width: 52px; height: 52px; border-radius: 12px; font-size: 18px; }
  .tile-name { font-size: 16px; }
  .tile-desc { font-size: 13px; }
  .tile-go { top: 16px; right: 12px; }
  .dlg-body { grid-template-columns: 1fr; }
  .row { flex-wrap: wrap; }
  .row-actions { width: 100%; justify-content: flex-start; }
}

.field-help { margin: 6px 0 0; font-size: 12px; color: var(--muted); }
.field-help code { font-size: 11.5px; padding: 1px 4px; border-radius: 4px; background: var(--surface-2); }

/* ---------- Connessione Microsoft ---------- */
main.narrow { max-width: 760px; }
.card { margin-top: 20px; padding: 24px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.card .field input { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: 13.5px; }
.field input[type="password"] {
  width: 100%; padding: 9px 11px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text);
}
.field input[readonly] { color: var(--muted); }
.card .error, .card .success { margin: 16px 0 0; }
.success { padding: 10px 12px; border-radius: 8px; background: color-mix(in srgb, var(--ok) 12%, transparent); color: var(--ok); font-size: 14px; }
.form-foot { display: flex; align-items: center; justify-content: flex-end; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.form-foot .muted { margin-right: auto; }
.muted { font-size: 13px; color: var(--muted); }
.confirm { display: flex; gap: 8px; align-items: flex-start; padding: 10px 12px; border-radius: 8px; font-size: 14px; background: color-mix(in srgb, var(--danger) 10%, transparent); }
.notice { margin-top: 20px; padding: 10px 14px; border-radius: 10px; font-size: 14px; border: 1px solid var(--border); background: var(--surface); }
.notice:empty { display: none; }
.notice.ok::before { content: "● "; color: var(--ok); }
.notice.warn::before { content: "● "; color: var(--danger); }
.topbar { flex-wrap: wrap; }
@media (max-width: 720px) {
  .topbar .btn[href="/admin"], .topbar .btn[href="/admin/connessione"], .topbar .btn[href="/"] { order: 10; }
}

/* ---------- Gruppi ---------- */
.group-picker { margin: 0; padding: 0; border: 0; }
.group-picker legend { padding: 0; margin-bottom: 6px; font-size: 13px; font-weight: 600; }
.group-picker .hint { font-size: 12px; color: var(--muted); }
.row-badges { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; max-width: 280px; }
.badge-group { background: color-mix(in srgb, var(--brand) 14%, transparent); color: var(--brand); }
.areas { margin-top: 10px; display: flex; gap: 6px; flex-wrap: wrap; }
.group-rows { display: grid; gap: 8px; }
.group-row { display: grid; grid-template-columns: 180px 1fr auto; gap: 8px; align-items: center; }
.group-row input {
  width: 100%; padding: 9px 11px;
  border: 1px solid var(--border); border-radius: 8px;
  background: var(--bg); color: var(--text);
}
.card h2 { margin: 0 0 4px; font-size: 17px; }
.card > .muted { margin: 0 0 18px; }
@media (max-width: 720px) {
  .group-row { grid-template-columns: 1fr auto; }
  .group-row input[name="id"] { grid-column: 1 / -1; grid-row: 2; }
}
.card .group-row input[name="label"] { font-family: inherit; font-size: 14px; }
.membership { margin-top: 18px; padding: 14px 16px; border: 1px dashed var(--border); border-radius: 10px; }
.membership-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; font-size: 14px; }
.membership p { margin: 10px 0 0; }
.membership-list { list-style: none; margin: 10px 0 0; padding: 0; display: grid; gap: 6px; font-size: 14px; }
.membership-list code { font-size: 12px; color: var(--muted); }
.membership-list .yes span { color: var(--ok); font-weight: 700; }
.membership-list .no span { color: var(--danger); font-weight: 700; }