/* Sidebar emergente */
.sidebar {
    position: fixed;
    left: -350px;
    top: 0;
    width: 350px;
    height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    transition: left 0.3s ease;
    z-index: 999;
    overflow-y: auto;
    padding: 20px;
    color: white;
}

.sidebar.active {
    left: 0;
}

.sidebar h2 {
    margin: 0 0 20px 0;
    padding-top: 60px;
    font-size: 24px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 15px;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.sidebar-menu li {
    margin: 0;
}

.sidebar-menu a {
    display: block;
    padding: 15px;
    color: white;
    text-decoration: none;
    border-radius: 6px;
    transition: all 0.3s ease;
    margin-bottom: 5px;
}

.sidebar-menu a:hover {
    background: rgba(255, 255, 255, 0.1);
    padding-left: 20px;
}

/* Botón del menú hamburguesa */
.menu-toggle {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 50px;
    height: 50px;
    background: #667eea;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 6px;
    z-index: 998;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.menu-toggle:hover {
    background: #764ba2;
    transform: scale(1.1);
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: white;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Overlay para cerrar el menú */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0);
    z-index: 997;
    display: none;
    transition: background 0.3s ease;
}

.sidebar-overlay.active {
    display: block;
    background: rgba(0, 0, 0, 0.5);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 280px;
        left: -280px;
    }
    
    main {
        padding: 80px 20px 40px;
    }
}