/* ================= BASE ================= */
body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: var(--blanco);
    min-height: 100vh;
}

/* ================= OVERLAY ================= */
.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.45);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    z-index: 900;
}

.overlay.active {
    opacity: 1;
    pointer-events: auto;
}

/* ================= SIDEBAR ================= */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 260px;
    height: 100vh;
    background: var(--rojo-principal);
    padding: 30px 20px;
    box-sizing: border-box;

    display: flex;
    flex-direction: column;
    gap: 30px;

    transform: translateX(-100%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.sidebar.active {
    transform: translateX(0);
}

.btn-menu {
    position: fixed;
    top: 20px;
    left: 20px;
    z-index: 2000;

    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--azul-principal);
    color: var(--blanco);
    border: none;

    font-size: 22px;
    cursor: pointer;
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    font-size: 22px;
    transition: all 0.25s ease;
}

.sidebar .acciones button {
    width: 100%;
    text-align: left;
    background: rgba(255,255,255,0.15);
    color: var(--blanco);
    border: none;
    padding: 14px 16px;
    border-radius: 14px;
}

.btn-menu:hover {
    transform: translateY(-2px);
}

/* Botón cuando está abierto */

.sidebar.active ~ .btn-menu {
    /* opcional: puedes poner un azul más claro si quieres efecto */
    background: var(--azul-principal); 
    color: var(--blanco);
    box-shadow: none;
    font-size: 22px; /* mismo tamaño para que no salte */
}

/* ================= LOGO ================= */
.sidebar .logo {
    max-width: 180px;
    margin: 0 auto;
}

/* ================= ACCIONES ================= */
.sidebar .acciones {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.sidebar .acciones button {
    width: 100%;
    background: rgba(255,255,255,0.15);
    color: var(--blanco);
    border: none;
    padding: 14px 16px;
    border-radius: 14px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s ease;
}

.sidebar .acciones button:hover {
    background: var(--azul-principal);
}

/* ================= MAIN ================= */
.main-content {
    padding: 30px;
    transition: margin-left 0.3s ease;
}

@media (min-width: 769px) {
    .sidebar.active ~ .main-content {
        margin-left: 260px;
    }
}