/* variabili */
:root {
    --bg-primary:    #0d1117;
    --bg-secondary:  #161b22;
    --border-color:  #30363d;
    --text-primary:  #e6edf3;
    --text-muted:    #9aa4b2;
    --accent:        #58a6ff;
    --accent-bg:     #1f3a5f;
    --critical:      #f85149;
    --high:          #d29922;
    --medium:        #3fb950;
}

/*  reset */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* estetica */
h1 { font-size: 2rem;   font-weight: 700; }
h2 { font-size: 1.5rem; font-weight: 600; }
h3 { font-size: 1.2rem; font-weight: 600; }
p  { color: var(--text-muted); }

a {
    color: var(--accent);
    text-decoration: none;
}
a:hover { text-decoration: underline; }

.navbar {
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 1rem;
    min-height: 60px;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1rem;
}

.navbar-brand:hover {
    color: var(--text-primary);
}

.text-accent {
    color: var(--accent);
}

.nav-link {
    color: var(--text-muted) !important;
    font-size: 0.9rem;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s;
}

.nav-link:hover {
    color: var(--text-primary) !important;
}

.nav-link.active {
    color: var(--accent) !important;
    border-bottom: 2px solid var(--accent);
}

/* Hamburger menu colore */
.navbar-toggler {
    border-color: var(--border-color);
}

.navbar-toggler-icon {
    filter: invert(1);
}

/* menu mobile aperto */
.navbar-collapse {
    background-color: var(--bg-secondary);
}

/* layout */
.vista-intro,
.vista-approfondimento,
.vista-dashboard,
.vista-crud {
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.hero-section {
    margin-bottom: 2rem;
}

.badge-categoria {
    display: inline-block;
    font-size: 0.75rem;
    background-color: var(--accent-bg);
    color: var(--accent);
    padding: 4px 12px;
    border-radius: 3px;
    margin-bottom: 1rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero-section h1 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
    max-width: 700px;
    line-height: 1.7;
}

/* stat */
.stat-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 4px;
}

.stat-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ccsrd */
.content-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.content-card h2 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.content-card p {
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 0.75rem;
}

.content-card p:last-child {
    margin-bottom: 0;
}

code {
    background-color: var(--bg-primary);
    color: var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: ui-monospace, monospace;
    font-size: 0.9em;
}

/*  code block */
.code-block {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 1rem;
    overflow-x: auto;
    margin-top: 1rem;
}

.code-block code {
    background: none;
    color: var(--text-primary);
    padding: 0;
    font-size: 0.85rem;
    line-height: 1.6;
}

/* feature item */
.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon-box {
    width: 36px;
    height: 36px;
    min-width: 36px;
    background-color: var(--accent-bg);
    color: var(--accent);
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.feature-item h3 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.feature-item p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/*  timeline */
.timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1rem;
}

.timeline-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.timeline-year {
    min-width: 48px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    padding-top: 2px;
}

.timeline-item p {
    margin-bottom: 0;
    font-size: 0.9rem;
}
/* elem nuovi */
.caption-chart {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.feature-item-v2 {
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    height: 100%;
}

.feature-label {
    display: inline-block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.news-item {
    padding: 1rem;
    border-left: 2px solid var(--accent);
    height: 100%;
}

.news-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    background-color: var(--accent-bg);
    padding: 2px 8px;
    border-radius: 4px;
    margin-bottom: 0.5rem;
}

/* tline */
.timeline-horizontal {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-top: 1.5rem;
    position: relative;
}

.timeline-horizontal::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 10%;
    right: 10%;
    height: 2px;
    background-color: var(--border-color);
}

.timeline-h-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 8px;
}

.timeline-h-year {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--accent);
}

.timeline-h-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--accent);
    border: 2px solid var(--bg-primary);
    z-index: 1;
}

.timeline-h-item p {
    font-size: 0.82rem;
    margin-bottom: 0;
}

/* resp tl */
@media (max-width: 768px) {
    .timeline-horizontal {
        grid-template-columns: 1fr 1fr;
    }
    .timeline-horizontal::before {
        display: none;
    }
}

/* tab cOnfronto */
.table-confronto {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.table-confronto th,
.table-confronto td {
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    text-align: left;
}

.table-confronto thead th {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-weight: 600;
}

.table-confronto tbody tr:hover {
    background-color: rgba(88, 166, 255, 0.04);
}

.col-highlight {
    color: var(--accent) !important;
    font-weight: 500;
}
/* dashboard */
.llm-code {
    font-family: ui-monospace, monospace;
    font-size: 0.8rem;
    background-color: var(--accent-bg);
    color: var(--accent);
    padding: 2px 6px;
    border-radius: 4px;
}

.badge-severita {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 3px 8px;
}

.badge-critica {
    background-color: rgba(248, 81, 73, 0.15);
    color: var(--critical);
}

.badge-alta {
    background-color: rgba(210, 153, 34, 0.15);
    color: var(--high);
}

.badge-media {
    background-color: rgba(63, 185, 80, 0.15);
    color: var(--medium);
}
/*  CRUD */
.crud-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-primary {
    background-color: var(--accent);
    color: #0d1117;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s;
}

.btn-primary:hover { opacity: 0.85; }

.btn-secondary {
    background-color: transparent;
    color: var(--text-muted);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
}

.btn-secondary:hover {
    color: var(--text-primary);
    border-color: var(--text-muted);
}

.form-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 12px;
    color: var(--text-primary);
    font-size: 0.9rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
}

.form-actions {
    display: flex;
    gap: 1rem;
}

.count-badge {
    font-size: 0.8rem;
    background-color: var(--accent-bg);
    color: var(--accent);
    padding: 2px 8px;
    border-radius: 20px;
    font-weight: 500;
    vertical-align: middle;
}

.azioni {
    display: flex;
    gap: 8px;
}

.btn-modifica {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid var(--accent);
    color: var(--accent);
    background: transparent;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-modifica:hover {
    background-color: var(--accent-bg);
}

.btn-elimina {
    font-size: 0.8rem;
    padding: 4px 10px;
    border-radius: 4px;
    border: 1px solid var(--critical);
    color: var(--critical);
    background: transparent;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-elimina:hover {
    background-color: rgba(248, 81, 73, 0.1);
}

/* fade in quando cambio vista */
.vista-intro,
.vista-approfondimento,
.vista-dashboard,
.vista-crud {
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* pulse sui badge gravi */
.badge-critica {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%   { box-shadow: 0 0 0 0 rgba(248, 81, 73, 0.4); }
    70%  { box-shadow: 0 0 0 6px rgba(248, 81, 73, 0); }
    100% { box-shadow: 0 0 0 0 rgba(248, 81, 73, 0); }
}

/* hover card */
.nav-card,
.stat-card,
.feature-item-v2,
.news-item {
    transition: transform 0.2s ease, border-color 0.2s ease;
}

.nav-card:hover,
.stat-card:hover,
.feature-item-v2:hover,
.news-item:hover {
    transform: translateY(-2px);
    border-color: var(--accent);
}

/* hver righe tabella */
.table-confronto tbody tr {
    transition: background-color 0.15s ease;
}

/* link attivo nella navbar con transizione */
.nav-link {
    transition: color 0.2s ease, border-color 0.2s ease !important;
}
/* mobile adaptation */
@media (max-width: 768px) {
    .vista-crud .table-confronto thead th:nth-child(1),
    .vista-crud .table-confronto td:nth-child(1) {
        display: none;
    }

    .table-confronto th,
    .table-confronto td {
        padding: 8px 6px;
        font-size: 0.8rem;
    }

    .btn-modifica,
    .btn-elimina {
        padding: 4px 6px;
        font-size: 0.75rem;
    }
}
@media (prefers-reduced-motion: reduce) {
    .vista-intro,
    .vista-approfondimento,
    .vista-dashboard,
    .vista-crud,
    .badge-critica {
        animation: none;
    }
}