/* ISO27001 Nai Connect - stylesheet base (utility minimal, no build step in fase 1).
   Sostituibile in fase futura con Tailwind compilato. */
:root {
  --c-bg: #f6f7f9;
  --c-surface: #ffffff;
  --c-border: #e5e7eb;
  --c-text: #111827;
  --c-muted: #6b7280;
  --c-primary: #1e40af;
  --c-primary-hover: #1e3a8a;
  --c-danger: #b91c1c;
  --c-success: #065f46;
  --c-warning: #92400e;
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--c-bg);
  color: var(--c-text);
  font-size: 14px;
  line-height: 1.5;
}
a { color: var(--c-primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 24px; margin: 0 0 16px; }
h2 { font-size: 18px; margin: 24px 0 12px; }
h3 { font-size: 16px; margin: 16px 0 8px; }
hr { border: 0; border-top: 1px solid var(--c-border); margin: 24px 0; }
code { background: #f3f4f6; padding: 2px 6px; border-radius: 4px; font-size: 12px; }

/* layout */
.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: #0f172a;
  color: #cbd5e1;
  padding: 20px 16px;
  flex-shrink: 0;
}
.sidebar h1 { color: #fff; font-size: 16px; margin-bottom: 4px; }
.sidebar .sub { color: #94a3b8; font-size: 12px; margin-bottom: 24px; }
.sidebar nav a {
  display: block;
  padding: 8px 12px;
  color: #cbd5e1;
  border-radius: 6px;
  margin-bottom: 4px;
  font-size: 14px;
}
.sidebar nav a:hover { background: #1e293b; color: #fff; text-decoration: none; }
.sidebar nav a.active { background: var(--c-primary); color: #fff; }
.sidebar .section-title {
  font-size: 11px;
  text-transform: uppercase;
  color: #64748b;
  margin: 16px 0 6px;
  padding-left: 8px;
}

.main { flex: 1; display: flex; flex-direction: column; }
.topbar {
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-border);
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.topbar .user { color: var(--c-muted); font-size: 13px; }
.topbar .user b { color: var(--c-text); }
.content { padding: 24px; flex: 1; }

/* card / panel */
.card {
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

/* form */
.form-row { margin-bottom: 14px; }
.form-row label { display: block; margin-bottom: 4px; font-weight: 500; }
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="password"],
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--c-border);
  border-radius: 6px;
  font-size: 14px;
  background: #fff;
  font-family: inherit;
}
.form-row input[type="checkbox"] { margin-right: 6px; }
.form-row .hint { color: var(--c-muted); font-size: 12px; margin-top: 4px; }
.form-actions { display: flex; gap: 8px; margin-top: 16px; }

/* buttons */
.btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 6px;
  border: 1px solid var(--c-border);
  background: #fff;
  color: var(--c-text);
  font-size: 14px;
  cursor: pointer;
  text-decoration: none;
  font-family: inherit;
}
.btn:hover { background: #f9fafb; text-decoration: none; }
.btn-primary { background: var(--c-primary); color: #fff; border-color: var(--c-primary); }
.btn-primary:hover { background: var(--c-primary-hover); border-color: var(--c-primary-hover); color: #fff; }
.btn-danger { background: var(--c-danger); color: #fff; border-color: var(--c-danger); }
.btn-danger:hover { background: #991b1b; }
.btn-sm { padding: 4px 10px; font-size: 12px; }

/* table */
.table { width: 100%; border-collapse: collapse; background: var(--c-surface); }
.table th, .table td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--c-border);
  font-size: 13px;
}
.table th { background: #f9fafb; font-weight: 600; color: var(--c-muted); text-transform: uppercase; font-size: 11px; }
.table tr:hover td { background: #fafbfc; }

/* badges */
.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}
.badge-admin { background: #fee2e2; color: #991b1b; }
.badge-editor { background: #dbeafe; color: #1e40af; }
.badge-consulente { background: #fef3c7; color: #92400e; }
.badge-viewer { background: #e5e7eb; color: #374151; }
.badge-active { background: #d1fae5; color: #065f46; }
.badge-inactive { background: #e5e7eb; color: #6b7280; }

/* alerts */
.alert { padding: 12px 16px; border-radius: 6px; margin-bottom: 16px; font-size: 14px; }
.alert-error { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }

/* login layout */
.center-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--c-bg);
}
.login-box { width: 360px; }

/* KPI */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 24px; }
.kpi { background: var(--c-surface); border: 1px solid var(--c-border); border-radius: var(--radius); padding: 16px; }
.kpi .value { font-size: 28px; font-weight: 700; color: var(--c-primary); }
.kpi .label { color: var(--c-muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; margin-top: 4px; }

/* misc */
.muted { color: var(--c-muted); }
.right { text-align: right; }
.mono { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 12px; }
pre.json { background: #f3f4f6; padding: 8px; border-radius: 6px; overflow-x: auto; font-size: 12px; }