:root {
    --bg-color: #ffffff;
    --text-color: #1a1a1a;
    --text-muted: #666666;
    --accent-color: var(--text-color); /* Nessun colore accent: usa il testo standard */
    --border-color: #e0e0e0;
    --welcome-bg: #f9f9f9;
    --font-mono: 'JetBrains Mono', 'Courier New', Courier, monospace;
}

/* Variante per la Modalità Scura (Hacker/Terminal vibe) */
html[data-theme="dark"] {
    --bg-color: #0d0d0d;
    --text-color: #e0e0e0;
    --text-muted: #888888;
    --accent-color: var(--text-color);
    --border-color: #262626;
    --welcome-bg: #141414;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-mono);
    line-height: 1.6;
    padding: 20px;
    transition: background-color 0.2s ease, color 0.2s ease; /* Transizione fluida al cambio tema */
}

.container {
    max-width: 1100px;
    margin: 0 auto;
}

/* Header */
.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px dashed var(--text-color);
    padding-bottom: 15px;
    margin-bottom: 40px;
}

.logo-box {
    width: 50px;
    height: 50px;
    background-color: var(--text-color);
    color: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    border-radius: 4px;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.main-nav {
    display: flex;
    align-items: center;
}

.main-nav > a {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 15px;
}

.main-nav > a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.social-separator {
    margin-left: 15px;
    color: var(--border-color);
    font-weight: bold;
}

/* Stile per i tasti social [Nome] */
.social-button {
    color: var(--text-color);
    text-decoration: none;
    margin-left: 12px;
    font-weight: bold;
    font-size: 0.95rem;
}

.social-button:hover {
    color: var(--accent-color);
    opacity: 0.7;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    vertical-align: middle;
}

details[open] > summary .toggle-icon {
    transform: rotate(90deg);
}

/* Layout Flexbox a due colonne generale del sito */
.site-layout {
    display: flex;
    gap: 40px;
}

.sidebar-left {
    flex: 0 0 250px;
    font-size: 0.85rem;
}

.sidebar-left h3 {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 5px;
}

.archive-tree {
    list-style: none;
}

.archive-year {
    font-weight: bold;
    display: block;
    margin-top: 10px;
    color: var(--text-color);
}

.archive-tree ul {
    list-style: none;
    padding-left: 15px;
}

.archive-tree li {
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.archive-date {
    color: var(--text-muted);
    margin-right: 8px;
}

.archive-tree a {
    color: var(--text-color);
    text-decoration: none;
}

.archive-tree a:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.main-content {
    flex: 1;
    min-width: 0;
}

h1, h2, h3 {
    margin-bottom: 20px;
    font-weight: bold;
}

.welcome-section {
    margin-bottom: 40px;
    background: var(--welcome-bg);
    padding: 20px;
    border-left: 4px solid var(--text-color);
    transition: background-color 0.2s ease;
}

.subtitle {
    color: var(--text-muted);
    font-style: italic;
}

.terminal-line {
    font-weight: bold;
    margin: 0;
    font-size: 1.1rem;
}

.terminal-cursor {
    display: inline-block;
    width: 8px;
    height: 1em;
    background: var(--text-color);
    vertical-align: text-bottom;
    margin-left: 2px;
    animation: cursor-blink 1s steps(1) infinite;
}

@keyframes cursor-blink {
    50% { opacity: 0; }
}

.recent-posts h2 {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 20px;
}

.post-item {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.post-date {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-right: 10px;
}

.post-title {
    color: var(--text-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
}

.post-title:hover {
    color: var(--accent-color);
    text-decoration: underline;
}

.post-summary {
    margin-top: 5px;
    font-size: 0.95rem;
    color: var(--text-color); /* Legato alla variabile per cambiare colore */
}

.site-footer {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid var(--border-color);
    text-align: center;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* --- SEZIONE SPECIFICA PER LA PAGINA ABOUT ME --- */
.about-hero {
    display: grid;
    grid-template-columns: 1fr 280px; /* Testo a sinistra, spazio foto a destra */
    gap: 40px;
    align-items: center;
    margin-bottom: 40px;
}

.about-text h3 {
    margin-bottom: 15px;
    color: var(--text-color);
}

.about-text p {
    margin-bottom: 15px;
    text-align: left;
    line-height: 1.6;
}

.about-image-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* Immagine profilo perfettamente tonda */
.about-circle-pic {
    width: 250px;
    height: 250px;
    object-fit: cover;
    background-color: var(--border-color);
    border-radius: 50%; /* Rende la foto un cerchio perfetto */
    border: 2px solid var(--text-color);
    margin-bottom: 10px;
}

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

/* Sezione Uptime */
.uptime-section {
    margin-top: 40px;
    padding-top: 15px;
    border-top: 1px dashed var(--border-color);
    font-weight: bold;
    color: var(--text-color);
}

/* Responsive per Tablet e Mobile */
@media (max-width: 768px) {
    .site-layout {
        flex-direction: column;
    }
    .sidebar-left {
        flex: none;
        width: 100%;
        margin-bottom: 30px;
    }
    .about-hero {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .about-image-wrapper {
        grid-row: 1; /* Sposta la foto in alto su dispositivi piccoli */
    }
}

@media (max-width: 600px) {
    .site-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    .main-nav {
        flex-wrap: wrap;
    }
    .main-nav a {
        margin-left: 0;
        margin-right: 15px;
    }
    .social-separator {
        display: none;
    }
    .social-button {
        margin-left: 0;
        margin-right: 15px;
        margin-top: 10px;
    }
}