@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* ============================================= */
  /* 1. Base Color Palette                         */
  /* ============================================= */
  --palette-brand-dark: #053f5C;
  --palette-brand-rgb: 5, 63, 92;

  --palette-accent-primary: #429EBD;
  --palette-accent-primary-rgb: 66, 158, 189;

  --palette-accent-secondary: #F7AD19;
  --palette-accent-secondary-rgb: 247, 173, 25;

  /* Modern Neutral Palette */
  --palette-neutral-bg: #F4F7FA;       /* Light page background */
  --palette-neutral-card: #FFFFFF;     /* Card background */
  --palette-neutral-text: #344767;     /* Principal text (not pure black) */
  --palette-neutral-muted: #7B809A;    /* Secondary text */
  --palette-neutral-border: #E9ECEF;   /* Thin borders */

  /* Semantic Colors */
  --palette-success: #198754;
  --palette-danger: #c81e1e;

  /* ============================================= */
  /* 2. Modern UI Variables (Shadows & Radius)     */
  /* ============================================= */
  --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-sm: 0 2px 4px 0 rgba(0,0,0,0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-soft: 0 20px 27px 0 rgba(0, 0, 0, 0.05); /* Ombra caratteristica Soft UI */

  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;

  /* ============================================= */
  /* 3. Bootstrap Overrides mapping                */
  /* ============================================= */
  --bs-primary: var(--palette-brand-dark);
  --bs-primary-rgb: var(--palette-brand-rgb);
  --bs-secondary: var(--palette-accent-primary);
  --bs-secondary-rgb: var(--palette-accent-primary-rgb);
  --bs-warning: var(--palette-accent-secondary);
  --bs-body-bg: var(--palette-neutral-bg);
  --bs-body-color: var(--palette-neutral-text);
  --bs-font-sans-serif: 'Inter', sans-serif;
  --bs-link-color: var(--palette-accent-primary);
  --bs-link-hover-color: var(--palette-brand-dark);

  --fcms-navbar-height: 5rem;
}

/* ============================================= */
/* GLOBAL RESET & TYPOGRAPHY                     */
/* ============================================= */
body {
  font-family: var(--bs-font-sans-serif);
  background-color: var(--bs-body-bg);
  color: var(--bs-body-color);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden; /* Prevents horizontal scroll on mobile */
}

h1, h2, h3, h4, h5, h6 {
  color: var(--palette-brand-dark);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

p {
  line-height: 1.6;
  margin-bottom: 1rem;
  color: var(--palette-neutral-text);
}

a {
  text-decoration: none;
  transition: all 0.2s ease;
}

/* ============================================= */
/* MODERN NAVBAR (Glassmorphism)                 */
/* ============================================= */
.navbar {
  background-color: rgba(var(--palette-brand-rgb), 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.1);
  box-shadow: var(--shadow-md);
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
  min-height: var(--fcms-navbar-height);
  z-index: 1030;
}

.navbar-brand {
  font-weight: 800;
  font-size: 1.5rem;
  color: #fff !important;
}

.nav-link {
  color: rgba(255,255,255,0.85) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-sm);
  transition: all 0.2s;
}

.nav-link:hover, .nav-link.active {
  color: #fff !important;
  background-color: rgba(255,255,255,0.1);
  transform: translateY(-1px);
}

/* Mobile Toggler */
.navbar-toggler {
  border: none;
  color: #fff;
}
.navbar-toggler:focus {
  box-shadow: none;
  outline: 2px solid rgba(255,255,255,0.5);
}

/* Dropdowns */
.dropdown-menu {
  border: none;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  margin-top: 10px !important;
  animation: fadeIn 0.2s ease-out;
}

.dropdown-item {
  border-radius: var(--radius-sm);
  padding: 0.6rem 1rem;
  font-weight: 500;
  color: var(--palette-neutral-text);
}

.dropdown-item:hover {
  background-color: var(--palette-neutral-bg);
  color: var(--palette-brand-dark);
}

/* Nested Dropdowns (Desktop only) */
@media (min-width: 992px) {
  .dropdown-submenu { position: relative; }
  .dropdown-submenu > .dropdown-menu {
    top: 0; left: 100%; margin-top: -5px; margin-left: 0;
  }
  .dropdown-submenu:hover > .dropdown-menu { display: block; }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================= */
/* CARDS & CONTAINERS                            */
/* ============================================= */
.card {
  background: var(--palette-neutral-card);
  border: none;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* Classe specifica per elementi cliccabili */
.card-hover:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  cursor: pointer;
}

.card-body {
  padding: 1.5rem;
}
@media (min-width: 768px) {
  .card-body { padding: 2rem; }
}

.content-wrapper {
  flex: 1 0 auto;
}

/* ============================================= */
/* BUTTONS & FORMS                               */
/* ============================================= */
.btn {
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.4rem;
  letter-spacing: 0.02em;
  border: none;
  box-shadow: var(--shadow-xs);
  transition: all 0.25s ease;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--palette-accent-primary);
  color: #fff;
}
.btn-primary:hover {
  background-color: var(--palette-brand-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.btn-accent {
  background-color: var(--palette-accent-secondary);
  color: #fff;
}
.btn-accent:hover {
  background-color: #e09b15;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  color: #fff;
}

.form-control {
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--palette-neutral-border);
  transition: all 0.2s;
}
.form-control:focus {
  border-color: var(--palette-accent-primary);
  box-shadow: 0 0 0 4px rgba(var(--palette-accent-primary-rgb), 0.15);
}

/* ============================================= */
/* COMPONENTS                                    */
/* ============================================= */

/* Hero Section */
.hero {
  background: var(--hero-dynamic-bg, linear-gradient(135deg, var(--palette-brand-dark), var(--palette-neutral-dark))) no-repeat center center / cover;
  color: #fff;
  padding: 4rem 1rem;
  text-align: left;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  position: relative;
}
/* Black overlay if the image is not too dark */
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.3);
  border-radius: var(--radius-lg);
  z-index: 0;
}
.hero > .container { position: relative; z-index: 1; }
.hero h2 { color: #fff; }

/* Alerts */
.alert-tip {
  background-color: rgba(247, 173, 25, 0.1);
  border-left: 5px solid var(--palette-accent-secondary);
  color: var(--palette-brand-dark);
}
.alert-tip .alert-heading { color: var(--palette-accent-secondary); }

/* Timeline */
.timeline {
  border-left: 2px solid var(--palette-neutral-border);
  margin-left: 10px;
  padding-left: 20px;
}
.timeline-item { position: relative; margin-bottom: 2rem; }
/* Dot personalizzato */
.timeline-dot {
  width: 16px; height: 16px;
  background: #fff;
  border: 3px solid var(--palette-accent-primary);
  border-radius: 50%;
  position: absolute;
  left: -29px;
  top: 5px;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table.dataTable thead th {
  border-bottom: 1px solid var(--palette-neutral-border) !important;
  color: var(--palette-neutral-muted);
  font-size: 0.75rem;
  text-transform: uppercase;
  font-weight: 700;
}

/* Breadcrumbs */
.breadcrumb { margin-bottom: 0; padding: 0.5rem 0; }
.breadcrumb-item a { color: var(--palette-neutral-muted); font-size: 0.9rem; }
.breadcrumb-item.active { color: var(--palette-brand-dark); font-weight: 600; font-size: 0.9rem; }

/* ============================================= */
/* FOOTER                                        */
/* ============================================= */
footer.main-footer {
  background-color: var(--palette-brand-dark);
  color: rgba(255,255,255,0.7);
  padding: 3rem 0;
  margin-top: auto;
  font-size: 0.9rem;
}
footer.main-footer h5 { color: #fff; margin-bottom: 1.2rem; }
footer.main-footer a { color: rgba(255,255,255,0.7); }
footer.main-footer a:hover { color: var(--palette-accent-secondary); }

/* ============================================= */
/* MOBILE OPTIMIZATION                           */
/* ============================================= */
@media (max-width: 991.98px) {
  :root { --fcms-navbar-height: 4rem; }
  .navbar-collapse {
    background: var(--palette-brand-dark);
    padding: 1rem;
    border-radius: var(--radius-md);
    margin-top: 0.5rem;
    box-shadow: var(--shadow-lg);
  }
  .hero { padding: 3rem 1rem; text-align: center; }
  .hero .d-grid { justify-content: center; }
}

@media (max-width: 576px) {
  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }
  .card-body { padding: 1.25rem; }
  .btn { width: 100%; display: block; margin-bottom: 0.5rem; } /* Buttons stack  */
  .btn.d-inline-flex { width: auto; display: inline-flex; } /* Exception for smaller icons */
}