/* --- IMPORTS --- */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500&family=Poppins:wght@300;400;600&display=swap');

/* --- VARIABILI GLOBALI --- */
:root {
    --bg-dark: #0b0f19;
    --accent-green: #10b981;
    --accent-hover: #059669;
    --text-main: #f3f4f6;
    --glass-bg: rgba(17, 24, 39, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Poppins', sans-serif;
    background: radial-gradient(circle at top right, #1f2937, var(--bg-dark));
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- NAVBAR (Glassmorphism) --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 5%;
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-main);
    text-decoration: none;
}

.nav-brand img {
    border-radius: 50%;
    height: 40px;
    width: 80px;
    object-fit: cover;
}

.nav-brand img:hover {
    object-fit: fill;
    display: inline-block;
    margin-top: 10px;
    margin-bottom: -10px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 20px;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 400;
    transition: color 0.3s ease;
}

.nav-links a:hover, .nav-links a.active {
    color: var(--accent-green);
}

/* Menu Mobile */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- CONTENITORI --- */
.container {
    flex: 1;
    max-width: 1000px;
    margin: 40px auto;
    padding: 0 20px;
    text-align: center;
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    color: var(--accent-green);
}

.descrizione {
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #9ca3af;
}

/* --- CRYPTO BOX (Glassmorphism) --- */
.crypto-box {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    padding: 30px;
    text-align: left;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.crypto-columns {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.crypto-col {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* --- FORMS & INPUTS --- */
label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--accent-green);
}

select, textarea {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    font-family: 'Poppins', sans-serif;
    outline: none;
    transition: border-color 0.3s;
}

select:focus, textarea:focus {
    border-color: var(--accent-green);
}

/* Font Monospazio per il testo cifrato */
#ciphertext, #decodedtext {
    font-family: 'Fira Code', monospace;
    font-size: 0.9rem;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* --- BOTTONI --- */
button {
    padding: 12px;
    border: none;
    border-radius: 8px;
    background-color: var(--accent-green);
    color: white;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
    font-family: 'Poppins', sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

button:hover {
    background-color: var(--accent-hover);
}

button:active {
    transform: scale(0.98);
}

button:disabled {
    background-color: #374151;
    cursor: not-allowed;
}

.btn-green {
    background-color: #3b82f6; /* Usiamo un blu per distinguere la decifratura */
}
.btn-green:hover {
    background-color: #2563eb;
}

/* --- FOOTER --- */
footer {
    text-align: center;
    padding: 20px;
    background: var(--bg-dark);
    border-top: 1px solid var(--glass-border);
    font-size: 0.9rem;
    color: #6b7280;
}

footer a {
    color: var(--accent-green);
    text-decoration: none;
}

/* Stili speciali solo per le card del team */
        .team-container {
            display: flex;
            justify-content: center;
            gap: 30px;
            flex-wrap: wrap;
            margin-top: 40px;
        }

        .team-card {
            background: #f3f4f6;
            padding: 30px 20px;
            border-radius: 15px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
            width: 280px;
            text-align: center;
            transition: transform 0.3s;
        }

        .team-card:hover {
            transform: translateY(-10px);
            /* Effetto sollevamento al passaggio del mouse */
            box-shadow: 0 15px 25px rgba(0, 0, 0, 0.1);
        }

        .avatar {
            font-size: 60px;
            margin-bottom: 15px;
        }

        .ruolo {
            color:#10b981;
            font-weight: bold;
            margin-bottom: 10px;
            font-size: 14px;
        }

/* --- RESPONSIVE --- */
@media (max-width: 768px) {
    .crypto-columns {
        flex-direction: column;
    }
    .nav-links {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--bg-dark);
        padding: 20px 0;
        text-align: center;
    }
    .nav-links.active {
        display: flex;
    }
    .menu-toggle {
        display: block;
    }
}
/* --- Sezione Divulgativa --- */
.appunti-style {
    background: rgba(255, 255, 255, 0.05); /* Un leggero sfondo chiaro per staccare */
    padding: 30px;
    border-radius: 15px;
    margin-top: 30px;
    line-height: 1.8;
    text-align: left; /* Fondamentale per la lettura */
    color: #f0f0f0;
}

.appunti-style h1, .appunti-style h2, .appunti-style h3 {
    color: #4db8ff; 
    margin-top: 1.5em;
}

/* Stile per i blocchi di codice */
.appunti-style pre {
    background: #000;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    border: 1px solid #333;
}

.appunti-style code {
    font-family: 'Courier New', monospace;
    color: #ffca28; /* Giallo per far risaltare le variabili/formule */
}
.main-wrapper {
    display: flex;
    max-width: 1200px;
    margin: 100px auto 50px; /* Spazio per la navbar */
    gap: 30px;
    padding: 0 20px;
}

/* Sidebar Style */
.sidebar {
    flex: 0 0 250px; /* Larghezza fissa 250px */
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px); /* Effetto vetro sfocato */
    border-radius: 15px;
    padding: 20px;
    height: fit-content;
    position: sticky;
    top: 100px; /* Si blocca quando scendi */
    border: 1px solid rgba(77, 184, 255, 0.2);
}

.sidebar h3 {
    color: #4db8ff;
    font-size: 1.2rem;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(77, 184, 255, 0.3);
    padding-bottom: 10px;
}

.sidebar nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* Bottoni nella sidebar */
.btn-appunto {
    background: transparent;
    color: white;
    border: none;
    text-align: left;
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-appunto i {
    width: 20px; /* Allinea le icone */
    color: #4db8ff;
}

.btn-appunto:hover {
    background: rgba(77, 184, 255, 0.1);
    padding-left: 20px; /* Effetto movimento al passaggio */
}

.btn-appunto.active {
    background: #4db8ff;
    color: #0b0f19;
}

.btn-appunto.active i {
    color: #0b0f19;
}

/* Area contenuto */
.content-area {
    flex: 1; /* Prende tutto lo spazio rimanente */
    min-width: 0; /* Evita bug di overflow con flex */
}

/* Responsive per cellulari */
@media (max-width: 768px) {
    .main-wrapper {
        flex-direction: column;
        margin-top: 80px;
    }
    .sidebar {
        position: static;
        flex: none;
        width: 100%;
    }
}
/* --- SFONDO SPAZIALE ANIMATO --- */
.sfondo-spazio {
    position: fixed; /* Lo fissa allo schermo */
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: -1; /* Manda le stelle DIETRO le tue card e la navbar */
    background: radial-gradient(ellipse at bottom, #1B2735 0%, #090A0F 100%);
    overflow: hidden;
}

#stars-container {
    position: fixed;
    top: 0; 
    left: 0; 
    width: 100vw; 
    height: 100vh;
    z-index: -1;
    pointer-events: none; 
    background: radial-gradient(ellipse at bottom, #1B2735 0%, #090A0F 100%);
    overflow: hidden;
}

#stars, #stars2, #stars3 { background: transparent; }

/* Stelle Piccole */
#stars { width: 1px; height: 1px; box-shadow: var(--shadows-small); animation: animStar 50s linear infinite; }
#stars::after { content: " "; position: absolute; top: 2000px; width: 1px; height: 1px; background: transparent; box-shadow: var(--shadows-small); }

/* Stelle Medie */
#stars2 { width: 2px; height: 2px; box-shadow: var(--shadows-medium); animation: animStar 100s linear infinite; }
#stars2::after { content: " "; position: absolute; top: 2000px; width: 2px; height: 2px; background: transparent; box-shadow: var(--shadows-medium); }

/* Stelle Grandi */
#stars3 { width: 3px; height: 3px; box-shadow: var(--shadows-big); animation: animStar 150s linear infinite; }
#stars3::after { content: " "; position: absolute; top: 2000px; width: 3px; height: 3px; background: transparent; box-shadow: var(--shadows-big); }

@keyframes animStar {
    from { transform: translateY(0px); }
    to { transform: translateY(-2000px); }
}

body {
    color: white; 
}