/* Variabili CSS */
:root {
    --primary-color: #0056b3;
    --secondary-color: #004494;
    --accent-color: #ff6b00;
    --text-color: #333;
    --text-light: #666;
    --background-color: #fff;
    --background-alt: #f5f7fa;
    --border-color: #ddd;
    --shadow-color: rgba(0, 0, 0, 0.1);
    --success-color: #28a745;
    --warning-color: #ffc107;
    --error-color: #dc3545;
    --code-background: #f8f8f8;
    --sidebar-width: 300px;
    --toc-width: 250px;
    --header-height: 60px;
    --footer-height: 60px;
    --transition-speed: 0.3s;
}

/* Tema scuro */
.dark-mode {
    --primary-color: #4d94ff;
    --secondary-color: #3a7bd5;
    --accent-color: #ff8c3a;
    --text-color: #e0e0e0;
    --text-light: #aaa;
    --background-color: #1a1a1a;
    --background-alt: #2a2a2a;
    --border-color: #444;
    --shadow-color: rgba(0, 0, 0, 0.3);
    --code-background: #2d2d2d;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--background-color);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed);
}

a:hover {
    color: var(--accent-color);
}

/* Header */
header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    height: var(--header-height);
    background-color: var(--primary-color);
    color: white;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px var(--shadow-color);
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 10px;
}

.logo h1 {
    font-size: 1.5rem;
    font-weight: 600;
}

.header-controls {
    display: flex;
    align-items: center;
}

.language-selector {
    margin-right: 15px;
    display: flex;
}

.lang-btn {
    background: none;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 5px 10px;
    cursor: pointer;
    transition: background-color 0.2s;
}

.lang-btn:first-child {
    border-radius: 4px 0 0 4px;
}

.lang-btn:last-child {
    border-radius: 0 4px 4px 0;
}

.lang-btn.active {
    background-color: rgba(255, 255, 255, 0.2);
    font-weight: bold;
}

.theme-btn {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.theme-btn:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Container principale */
.container {
    display: flex;
    margin-top: var(--header-height);
    min-height: calc(100vh - var(--header-height) - var(--footer-height));
}

/* Sidebar */
#sidebar {
    width: var(--sidebar-width);
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
    background-color: var(--background-alt);
    border-right: 1px solid var(--border-color);
    padding: 20px 0;
    position: fixed;
    left: 0;
    top: var(--header-height);
    transition: background-color var(--transition-speed);
}

.search-container {
    padding: 0 15px 15px;
    position: relative;
}

#search-input {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--background-color);
    color: var(--text-color);
    transition: border-color var(--transition-speed), background-color var(--transition-speed);
}

#search-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.search-results {
    position: absolute;
    top: 100%;
    left: 15px;
    right: 15px;
    background-color: var(--background-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 4px 8px var(--shadow-color);
    display: none;
}

.search-results.active {
    display: block;
}

.search-result-item {
    padding: 10px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
}

.search-result-item:hover {
    background-color: var(--background-alt);
}

.search-result-item:last-child {
    border-bottom: none;
}

.search-result-title {
    font-weight: bold;
    color: var(--primary-color);
}

.search-result-context {
    font-size: 0.9rem;
    color: var(--text-light);
    margin-top: 5px;
}

#nav-menu {
    list-style: none;
}

.nav-item {
    margin-bottom: 5px;
}

.nav-link {
    display: block;
    padding: 8px 15px;
    cursor: pointer;
    font-weight: 500;
    transition: background-color var(--transition-speed);
}

.nav-link:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.nav-item.active > .nav-link {
    background-color: var(--primary-color);
    color: white;
}

.submenu {
    list-style: none;
    margin-left: 15px;
    display: none;
}

.nav-item.active > .submenu {
    display: block;
}

.submenu li {
    padding: 6px 15px;
    cursor: pointer;
    transition: background-color var(--transition-speed);
}

.submenu li:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.submenu li.active {
    background-color: rgba(0, 86, 179, 0.1);
    font-weight: 500;
}

/* Contenuto principale */
main {
    flex: 1;
    margin-left: var(--sidebar-width);
    margin-right: var(--toc-width);
    padding: 30px;
    transition: margin var(--transition-speed);
}

#content-container {
    max-width: 900px;
    margin: 0 auto;
}

/* Indice del capitolo */
#toc {
    width: var(--toc-width);
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
    padding: 30px 15px;
    position: fixed;
    right: 0;
    top: var(--header-height);
    border-left: 1px solid var(--border-color);
    background-color: var(--background-alt);
    transition: background-color var(--transition-speed);
}

#toc h3 {
    margin-bottom: 15px;
    font-size: 1.1rem;
}

#toc-list {
    list-style: none;
}

#toc-list li {
    margin-bottom: 8px;
    padding-left: 10px;
    border-left: 2px solid transparent;
}

#toc-list li a {
    color: var(--text-color);
    font-size: 0.9rem;
    transition: color var(--transition-speed);
}

#toc-list li:hover a {
    color: var(--primary-color);
}

#toc-list li.active {
    border-left-color: var(--primary-color);
}

#toc-list li.active a {
    color: var(--primary-color);
    font-weight: 500;
}

/* Stili per il contenuto */
h1, h2, h3, h4, h5, h6 {
    margin-top: 1.5em;
    margin-bottom: 0.5em;
    line-height: 1.3;
    color: var(--text-color);
    transition: color var(--transition-speed);
}

h1 {
    font-size: 2.2rem;
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 0.3em;
    margin-top: 0;
}

h2 {
    font-size: 1.8rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.3em;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.3rem;
}

h5 {
    font-size: 1.1rem;
}

h6 {
    font-size: 1rem;
}

p {
    margin-bottom: 1em;
}

ul, ol {
    margin-bottom: 1em;
    padding-left: 2em;
}

li {
    margin-bottom: 0.5em;
}

blockquote {
    border-left: 4px solid var(--primary-color);
    padding-left: 1em;
    margin-left: 0;
    margin-bottom: 1em;
    color: var(--text-light);
}

code {
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
    background-color: var(--code-background);
    padding: 0.2em 0.4em;
    border-radius: 3px;
    font-size: 0.9em;
    transition: background-color var(--transition-speed);
}

pre {
    background-color: var(--code-background);
    padding: 1em;
    border-radius: 5px;
    overflow-x: auto;
    margin-bottom: 1em;
    transition: background-color var(--transition-speed);
}

pre code {
    background-color: transparent;
    padding: 0;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 1em;
}

th, td {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    text-align: left;
}

th {
    background-color: var(--background-alt);
    font-weight: 600;
}

tr:nth-child(even) {
    background-color: var(--background-alt);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1em auto;
}

.note, .warning, .tip {
    padding: 15px;
    margin-bottom: 1em;
    border-radius: 5px;
}

.note {
    background-color: rgba(0, 86, 179, 0.1);
    border-left: 4px solid var(--primary-color);
}

.warning {
    background-color: rgba(255, 193, 7, 0.1);
    border-left: 4px solid var(--warning-color);
}

.tip {
    background-color: rgba(40, 167, 69, 0.1);
    border-left: 4px solid var(--success-color);
}

/* Caricamento */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 300px;
}

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 15px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Footer */
footer {
    height: var(--footer-height);
    background-color: var(--background-alt);
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 20px;
    transition: background-color var(--transition-speed);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    width: 100%;
    max-width: 1200px;
}

/* Responsive */
@media (max-width: 1200px) {
    :root {
        --sidebar-width: 250px;
        --toc-width: 200px;
    }
}

@media (max-width: 992px) {
    :root {
        --toc-width: 0;
    }
    
    #toc {
        display: none;
    }
    
    main {
        margin-right: 0;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 0;
    }
    
    #sidebar {
        transform: translateX(-100%);
        z-index: 900;
    }
    
    #sidebar.active {
        transform: translateX(0);
        width: 280px;
    }
    
    main {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
}

/* Pulsante menu mobile */
.menu-toggle {
    display: none;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 1000;
    box-shadow: 0 2px 10px var(--shadow-color);
}

/* Stampa */
@media print {
    header, #sidebar, #toc, footer, .menu-toggle {
        display: none;
    }
    
    body {
        background-color: white;
        color: black;
    }
    
    main {
        margin: 0;
        padding: 0;
    }
    
    a {
        color: black;
        text-decoration: underline;
    }
    
    h1, h2, h3, h4, h5, h6 {
        page-break-after: avoid;
        page-break-inside: avoid;
    }
    
    img, table, figure {
        page-break-inside: avoid;
    }
    
    @page {
        margin: 2cm;
    }
}