/* app.css — layout shell + override applicativi globali
 * Dipende da: vendor/str4tum/tokens.css + components.css
 * Caricato sempre dopo i vendor.
 */

/* ----------------------------------------------------------------
   Layout shell
   ---------------------------------------------------------------- */
.app-shell {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: var(--page-pad-y) var(--page-pad-x);
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: var(--s-3);
  border-bottom: var(--hairline-w) solid var(--hairline);
  margin-bottom: var(--s-4);
}

.app-header .brand {
  font-size: var(--fs-md);
  font-weight: 500;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}

.app-header nav {
  display: flex;
  gap: var(--s-4);
  align-items: center;
}

.app-header nav a {
  font-size: var(--fs-sm);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  color: var(--text-secondary);
}

.app-header nav a[aria-current="page"] {
  color: var(--text-primary);
  border-bottom: 1px solid var(--text-primary);
}

.app-footer {
  margin-top: var(--s-8);
  padding-top: var(--s-3);
  border-top: var(--hairline-w) solid var(--hairline);
  font-size: var(--fs-xs);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
}

/* ----------------------------------------------------------------
   Utility minimali (no Tailwind — vanilla)
   ---------------------------------------------------------------- */
.stack > * + * { margin-top: var(--s-3); }
.row { display: flex; gap: var(--s-3); align-items: center; }
.row.wrap { flex-wrap: wrap; }
.spacer { flex: 1; }
.mono-num { font-variant-numeric: tabular-nums; }
.muted { color: var(--text-muted); }
.uppercase { text-transform: uppercase; letter-spacing: var(--tracking-wide); }
.hidden { display: none !important; }

/* Form basics */
.form-field { display: flex; flex-direction: column; gap: var(--s-1); }
.form-field label {
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wide);
  color: var(--text-muted);
}
.form-field input,
.form-field select,
.form-field textarea {
  font: inherit;
  background: var(--bg-base);
  color: var(--text-primary);
  border: var(--hairline-w) solid var(--hairline-strong);
  border-radius: var(--r-sm);
  padding: var(--s-2) var(--s-3);
}
.form-error {
  color: var(--accent-negative);
  font-size: var(--fs-sm);
}

/* Alert hairline-based */
.alert {
  border-left: 2px solid var(--text-primary);
  padding: var(--s-2) var(--s-3);
  font-size: var(--fs-sm);
}
.alert.alert-positive { border-left-color: var(--accent-positive); background: var(--positive-dim); }
.alert.alert-negative { border-left-color: var(--accent-negative); background: var(--negative-dim); }
.alert.alert-warn     { border-left-color: var(--accent-warn);     background: var(--warn-dim); }