/* ============================================================
   AssoLabfondi — tema grafico moderno
   Foglio di stile globale: override leggeri su Bootstrap 5,
   nessuna riscrittura del markup esistente.
   ============================================================ */

:root {
  --alf-primary: #0053a1;
  --alf-primary-dark: #003d7a;
  --alf-primary-light: #e8f1fb;
  --alf-accent: #f08046;
  --alf-accent-dark: #d9652b;
  --alf-bg: #f6f8fb;
  --alf-surface: #ffffff;
  --alf-text: #1a2233;
  --alf-text-muted: #667085;
  --alf-border: #e6eaf1;
  --alf-radius-lg: 20px;
  --alf-radius: 14px;
  --alf-radius-sm: 10px;
  --alf-radius-pill: 999px;
  --alf-shadow-sm: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
  --alf-shadow-md: 0 4px 12px rgba(16, 24, 40, 0.08), 0 2px 4px rgba(16, 24, 40, 0.06);
  --alf-shadow-lg: 0 12px 32px rgba(0, 61, 122, 0.14);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--alf-bg);
  color: var(--alf-text);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  letter-spacing: -0.02em;
}

a { transition: color .15s ease; }

/* ---------- Buttons ---------- */
.btn {
  border-radius: var(--alf-radius-pill);
  font-weight: 600;
  padding: 0.55rem 1.4rem;
  transition: transform .15s ease, box-shadow .15s ease, background-color .15s ease, border-color .15s ease;
}
.btn:active { transform: translateY(0); }
.btn-primary {
  background: var(--alf-primary);
  border-color: var(--alf-primary);
  box-shadow: var(--alf-shadow-sm);
}
.btn-primary:hover, .btn-primary:focus {
  background: var(--alf-primary-dark);
  border-color: var(--alf-primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--alf-shadow-md);
}
.btn-outline-primary { border-width: 1.5px; }
.btn-outline-primary:hover { transform: translateY(-1px); }
.btn-success { border-radius: var(--alf-radius-pill); }
.btn-lg { padding: 0.75rem 2rem; }
.btn-sm { border-radius: var(--alf-radius-pill); }

/* ---------- Cards ---------- */
.card {
  border: none;
  border-radius: var(--alf-radius);
  box-shadow: var(--alf-shadow-sm);
  transition: box-shadow .2s ease, transform .2s ease;
}
.card.shadow-sm, .card.border-0 { box-shadow: var(--alf-shadow-sm) !important; }
a .card:hover, .card.card-hover:hover {
  box-shadow: var(--alf-shadow-md);
  transform: translateY(-2px);
}

/* ---------- Forms ---------- */
.form-control, .form-select {
  border-radius: var(--alf-radius-sm);
  border: 1.5px solid var(--alf-border);
  padding: 0.6rem 0.9rem;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.form-control:focus, .form-select:focus {
  border-color: var(--alf-primary);
  box-shadow: 0 0 0 4px var(--alf-primary-light);
}
.form-label { font-weight: 600; font-size: 0.92rem; color: var(--alf-text); }
.input-group-text { border-radius: var(--alf-radius-sm) 0 0 var(--alf-radius-sm); background: var(--alf-primary-light); border-color: var(--alf-border); color: var(--alf-primary); }

/* ---------- Badges ---------- */
.badge { border-radius: var(--alf-radius-pill); font-weight: 600; padding: 0.4em 0.85em; letter-spacing: 0.01em; }

/* ---------- Alerts ---------- */
.alert { border: none; border-radius: var(--alf-radius-sm); box-shadow: var(--alf-shadow-sm); }

/* ---------- Tables ---------- */
.table thead th {
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--alf-text-muted);
  border-bottom-width: 1px;
  font-weight: 700;
}
.table td, .table th { vertical-align: middle; }

/* ---------- Auth cards (login/register) ---------- */
.auth-card {
  border-radius: var(--alf-radius-lg) !important;
  box-shadow: var(--alf-shadow-lg) !important;
}
.auth-bg {
  min-height: calc(100vh - 60px);
  display: flex;
  align-items: center;
  background: radial-gradient(circle at 20% 20%, var(--alf-primary-light), var(--alf-bg) 60%);
}

/* ---------- Dashboard sidebars (user + admin) ---------- */
.sidebar {
  /* Usa il colore --main-blue già definito in ciascun layout (blu per l'area
     utente, navy per l'area admin) aggiungendo solo una texture moderna. */
  background-color: var(--main-blue, var(--alf-primary)) !important;
  background-image: linear-gradient(180deg, rgba(255,255,255,0.08), rgba(0,0,0,0.10)) !important;
}
.sidebar .nav-link {
  border-radius: var(--alf-radius-sm);
  font-weight: 500;
}
.sidebar .nav-link.active, .sidebar .nav-link:hover, .sidebar .nav-link:focus {
  background: rgba(255,255,255,0.16) !important;
  color: #fff !important;
  box-shadow: none;
}
.sidebar .nav-link.active { font-weight: 700; }

.navbar-user, .navbar-admin {
  backdrop-filter: blur(8px);
  background: rgba(255,255,255,0.9) !important;
}

/* ---------- Chat / messaggistica (area utente + admin) ---------- */
.chat-box {
  background: var(--alf-bg);
  border-radius: var(--alf-radius) var(--alf-radius) 0 0;
  padding: 1.25rem 0.9rem 0.9rem;
  max-height: 420px;
  overflow-y: auto;
  box-shadow: var(--alf-shadow-sm);
}
.chat-input-row {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  background: var(--alf-surface);
  border-radius: 0 0 var(--alf-radius) var(--alf-radius);
  padding: 0.7rem;
  box-shadow: var(--alf-shadow-sm);
  border-top: 1px solid var(--alf-border);
}
.chat-input-row input[type="text"] {
  flex: 1;
  border-radius: var(--alf-radius-pill);
  border: 1.5px solid var(--alf-border);
  padding: 0.55rem 1.1rem;
  font-size: 0.95rem;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}
.chat-input-row input[type="text"]:focus {
  border-color: var(--alf-primary);
  box-shadow: 0 0 0 4px var(--alf-primary-light);
}
.chat-input-row button {
  border-radius: var(--alf-radius-pill);
  border: none;
  background: var(--alf-primary);
  color: #fff;
  padding: 0.55rem 1.3rem;
  font-weight: 600;
  transition: background .15s ease, transform .15s ease;
}
.chat-input-row button:hover { background: var(--alf-primary-dark); transform: translateY(-1px); }
.chat-row { display: flex; margin-bottom: 0.7rem; }
.chat-row.mine { justify-content: flex-end; }
.chat-row.theirs { justify-content: flex-start; }
.bubble {
  max-width: 75%;
  background: var(--alf-surface);
  border: 1px solid var(--alf-border);
  border-radius: var(--alf-radius);
  padding: 0.6rem 0.9rem;
  word-break: break-word;
  box-shadow: var(--alf-shadow-sm);
}
.chat-row.mine .bubble {
  background: var(--alf-primary);
  color: #fff;
  border-color: var(--alf-primary);
}
.chat-row.mine .bubble .bubble-name,
.chat-row.mine .bubble .bubble-time { color: rgba(255,255,255,0.85); }
.bubble-header { display: flex; justify-content: space-between; gap: 0.75rem; font-size: 0.78rem; margin-bottom: 0.2rem; opacity: 0.75; font-weight: 600; }
.bubble-body { font-size: 0.95rem; line-height: 1.45; }
@media (max-width: 575.98px) { .bubble { max-width: 85%; } }

/* ---------- Misc ---------- */
::selection { background: var(--alf-primary); color: #fff; }
.rounded-4 { border-radius: var(--alf-radius-lg) !important; }