/* ===== Sidebar IZQUIERDO ===== */
.navegacion {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 100vh;
    background: var(--blue);
    transition: width .35s ease, left .35s ease;
    overflow: auto;
    z-index: 1000;
    scrollbar-width: none;
}

.navegacion.activado {
    width: 80px;
    overflow-x: hidden;
}

.navegacion ul {
    padding: 0;
    margin: 0;
    width: 100%;
    list-style: none;
}

.navegacion li {
    border-top-left-radius: 30px;
    border-bottom-left-radius: 30px;
    margin-left: 15px;
}

.navegacion li a {
    position: relative;
    display: flex;
    align-items: center;
    gap: .5rem;
    color: var(--white);
    text-decoration: none;
    padding: 0 1rem;
    height: 60px;
    line-height: 60px;
    white-space: nowrap;
    width: 100%;
    box-sizing: border-box;
}

/* --- Hover y estado activo --- */
.navegacion li:hover,
.navegacion li.hovered,
.navegacion li.active,
.navegacion li.active:hover {
    background: var(--white);
}

.navegacion li:hover a,
.navegacion li.hovered a,
.navegacion li.active a,
.navegacion li.active:hover a {
    color: var(--blue);
}

/* Pseudoelementos para la curva (hover y activo) */
.navegacion ul li:hover a::before,
.navegacion ul li.hovered a::before,
.navegacion ul li.active a::before,
.navegacion ul li.active:hover a::before { /* curva superior derecha */
    content: "";
    position: absolute;
    right: 0;
    top: -50px;
    width: 50px;
    height: 50px;
    background-color: transparent;
    border-radius: 50%;
    box-shadow: 35px 35px 0 10px var(--white);
    pointer-events: none;
}

.navegacion ul li:hover a::after,
.navegacion ul li.hovered a::after,
.navegacion ul li.active a::after,
.navegacion ul li.active:hover a::after { /* curva inferior derecha */
    content: "";
    position: absolute;
    right: 0;
    bottom: -50px;
    width: 50px;
    height: 50px;
    background-color: transparent;
    border-radius: 50%;
    box-shadow: 35px -35px 0 10px var(--white);
    pointer-events: none;
}

/* --- Iconos y títulos --- */
.navegacion .icon {
    min-width: 45px;
    height: 45px;
    font-size: 1.5rem;
    text-align: left;
    margin-top: -5px;
}

.navegacion .icon ion-icon {
    font-size: 1.75rem;
    margin-right: 0.5rem;
}

.navegacion ul li a .title {
    position: relative;
    display: block;
    padding: 0 10px;
    height: 60px;
    line-height: 60px;
    text-align: start;
    white-space: nowrap;
}

/* --- Marca superior --- */
.brand {
    position: relative;
    margin-bottom: 40px;
    margin-left: -5px;
    pointer-events: none; 
}

.brand a .title {
    margin-top: 20px;
}

.brand a .icon {
    height: 45px;
    margin-left: -7px;
    font-size: 2rem;
}

/* --- Botón cerrar sidebar --- */
.navegacion.activado .cerrar-sidebar {
    position: absolute;
    top: 65%;
    right: 15px;
    transform: translateY(-50%);
    font-size: 1.8rem;
    cursor: pointer;
    width: 36px;
    height: 36px;
    align-items: center;
    justify-content: center;
    color: var(--white);
    background: transparent;
    border: none;
    display: none;
}

.navegacion .cerrar-sidebar {
    display: none;
}