/* --- Variabili CSS (Tema Dark Gaming Permanente) --- */
:root {
    --bg-color: #09090b; /* Quasi nero, fa risaltare l'arancione */
    --text-main: #f4f4f5;
    --text-muted: #a1a1aa;
    --card-bg: #131316;
    --card-border: #27272a;
    
    --primary-color: #ff6b00;
    --primary-hover: #ff8533;
    --primary-glow: rgba(255, 107, 0, 0.6);
    
    --header-bg: #131316;
    --shadow: 0 8px 25px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- Reset e Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    
    /* Pattern di sfondo molto sottile per un effetto tech */
    background-image: radial-gradient(circle at top center, rgba(255,107,0,0.03) 0%, transparent 50%);
    background-attachment: fixed;
}

/* Titoli in stile Gaming */
h1, h2, h3, .logo {
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- Header / Navbar --- */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 5%;
    background-color: var(--header-bg);
    border-bottom: 2px solid var(--card-border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.logo {
    font-size: 1.5rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--primary-color);
    text-shadow: 0 0 10px var(--primary-glow);
}

.controls {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Stile Select (Taglio squadrato, stile UI) */
select {
    background-color: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--card-border);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    transition: var(--transition);
}

select:hover {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
}

select:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* --- Layout Principale --- */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 3rem 5%;
}

.view {
    display: none;
    animation: fadeIn 0.4s ease forwards;
}
.view.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Sezione Home --- */
.hero {
    text-align: center;
    margin-bottom: 4rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-main);
    text-shadow: 0 0 15px rgba(255,255,255,0.1);
}

.subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
}

/* Griglia Card */
.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 600px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid { grid-template-columns: repeat(3, 1fr); } }

/* Design Card */
.card {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 2rem 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--primary-color);
    transform: scaleY(0);
    transition: var(--transition);
    transform-origin: bottom;
}

.card:hover {
    transform: translateY(-8px);
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px var(--shadow), 0 0 15px var(--primary-glow);
}

.card:hover::before {
    transform: scaleY(1);
}

.card-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.card:hover .card-icon {
    transform: scale(1.1);
    text-shadow: 0 0 15px var(--primary-glow);
}

.card h2 { 
    font-size: 1.3rem; 
    margin-bottom: 0.75rem; 
    color: var(--text-main);
}

.card p { 
    color: var(--text-muted); 
    font-size: 0.95rem; 
}

/* --- Sezione Guida --- */
.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    background: var(--primary-color);
    color: #fff;
    border: none;
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--transition);
}

.back-btn:hover { 
    background-color: var(--primary-hover);
    box-shadow: 0 0 15px var(--primary-glow);
}

.guide-container {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 6px;
    padding: 2.5rem;
    box-shadow: var(--shadow);
}

.guide-container h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 1rem;
    color: var(--primary-color);
}

#guide-content h3 { 
    margin: 2rem 0 1rem 0; 
    font-size: 1.5rem;
    color: var(--primary-color);
}

#guide-content p { 
    margin-bottom: 1.25rem; 
    font-size: 1.05rem;
}

#guide-content img {
    max-width: 100%;
    border-radius: 4px;
    margin: 1.5rem 0;
    border: 1px solid var(--card-border);
}

/* --- Dropdown Lingue Personalizzato --- */
.custom-dropdown {
    position: relative;
    width: 150px; /* Larghezza fissa per evitare salti di layout */
    font-family: 'Inter', sans-serif;
    font-weight: 600;
    user-select: none;
}

.dropdown-selected {
    background-color: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--card-border);
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.dropdown-selected:hover, .custom-dropdown.open .dropdown-selected {
    border-color: var(--primary-color);
    box-shadow: 0 0 10px var(--primary-glow);
}

.dropdown-options {
    position: absolute;
    top: 115%;
    left: 0;
    width: 100%;
    background-color: var(--card-bg);
    border: 1px solid var(--primary-color); /* Bordo arancione */
    border-radius: 4px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.8), 0 0 15px var(--primary-glow);
    display: none; /* Nascosto di default */
    flex-direction: column;
    z-index: 1000;
    max-height: 250px;
    overflow-y: auto;
}

/* Mostra il dropdown quando ha la classe open */
.custom-dropdown.open .dropdown-options {
    display: flex;
    animation: fadeInDrop 0.2s ease;
}

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

.dropdown-options .option {
    padding: 0.75rem 1rem;
    cursor: pointer;
    color: var(--text-muted);
    transition: background-color 0.2s, color 0.2s;
    border-bottom: 1px solid var(--card-border);
}

.dropdown-options .option:last-child {
    border-bottom: none;
}

/* Hover e Selezione in ARANCIONE (Sostituisce il blu del sistema operativo) */
.dropdown-options .option:hover {
    background-color: rgba(255, 107, 0, 0.15);
    color: var(--primary-color);
}

.dropdown-options .option.active {
    background-color: var(--primary-color);
    color: #fff;
    font-weight: bold;
}

/* Scrollbar personalizzata per il menu a tendina */
.dropdown-options::-webkit-scrollbar {
    width: 6px;
}
.dropdown-options::-webkit-scrollbar-track {
    background: var(--card-bg);
}
.dropdown-options::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: 3px;
}